o add missing files

This commit is contained in:
David Voswinkel 2009-05-12 22:20:41 +02:00
parent 8e877d38d4
commit 09198f5099
149 changed files with 43548 additions and 0 deletions

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#include <../base.hpp>
#define CARTRIDGE_CPP
namespace SNES {
#include "header.cpp"
namespace memory {
MappedRAM cartrom, cartram, cartrtc;
MappedRAM bsxflash, bsxram, bsxpram;
MappedRAM stArom, stAram;
MappedRAM stBrom, stBram;
MappedRAM gbrom, gbram;
};
Cartridge cartridge;
void Cartridge::load(Mode cartridge_mode) {
cartinfo_t cartinfo;
read_header(cartinfo, memory::cartrom.data(), memory::cartrom.size());
set_cartinfo(cartinfo);
set(mode, cartridge_mode);
if(cartinfo.ram_size > 0) {
memory::cartram.map(new(zeromemory) uint8_t[cartinfo.ram_size], cartinfo.ram_size);
}
if(cartinfo.srtc || cartinfo.spc7110rtc) {
memory::cartrtc.map(new(zeromemory) uint8_t[20], 20);
}
if(mode() == ModeBsx) {
memory::bsxram.map (new(zeromemory) uint8_t[ 32 * 1024], 32 * 1024);
memory::bsxpram.map(new(zeromemory) uint8_t[512 * 1024], 512 * 1024);
}
if(mode() == ModeSufamiTurbo) {
if(memory::stArom.data()) memory::stAram.map(new(zeromemory) uint8_t[128 * 1024], 128 * 1024);
if(memory::stBrom.data()) memory::stBram.map(new(zeromemory) uint8_t[128 * 1024], 128 * 1024);
}
if(mode() == ModeSuperGameBoy) {
if(memory::gbrom.data()) memory::gbram.map(new(zeromemory) uint8_t[64 * 1024], 64 * 1024);
}
memory::cartrom.write_protect(true);
memory::cartram.write_protect(false);
memory::cartrtc.write_protect(false);
memory::bsxflash.write_protect(true);
memory::bsxram.write_protect(false);
memory::bsxpram.write_protect(false);
memory::stArom.write_protect(true);
memory::stAram.write_protect(false);
memory::stBrom.write_protect(true);
memory::stBram.write_protect(false);
memory::gbrom.write_protect(true);
memory::gbram.write_protect(false);
bus.load_cart();
set(loaded, true);
}
void Cartridge::unload() {
memory::cartrom.reset();
memory::cartram.reset();
memory::cartrtc.reset();
memory::bsxflash.reset();
memory::bsxram.reset();
memory::bsxpram.reset();
memory::stArom.reset();
memory::stAram.reset();
memory::stBrom.reset();
memory::stBram.reset();
memory::gbrom.reset();
memory::gbram.reset();
if(loaded() == false) return;
bus.unload_cart();
set(loaded, false);
}
Cartridge::Type Cartridge::detect_image_type(uint8_t *data, unsigned size) const {
cartinfo_t info;
read_header(info, data, size);
return info.type;
}
Cartridge::Cartridge() {
set(loaded, false);
unload();
}
Cartridge::~Cartridge() {
unload();
}
void Cartridge::set_cartinfo(const Cartridge::cartinfo_t &source) {
set(region, source.region);
set(mapper, source.mapper);
set(dsp1_mapper, source.dsp1_mapper);
set(has_bsx_slot, source.bsx_slot);
set(has_superfx, source.superfx);
set(has_sa1, source.sa1);
set(has_srtc, source.srtc);
set(has_sdd1, source.sdd1);
set(has_spc7110, source.spc7110);
set(has_spc7110rtc, source.spc7110rtc);
set(has_cx4, source.cx4);
set(has_dsp1, source.dsp1);
set(has_dsp2, source.dsp2);
set(has_dsp3, source.dsp3);
set(has_dsp4, source.dsp4);
set(has_obc1, source.obc1);
set(has_st010, source.st010);
set(has_st011, source.st011);
set(has_st018, source.st018);
}
//==========
//cartinfo_t
//==========
void Cartridge::cartinfo_t::reset() {
type = TypeUnknown;
mapper = LoROM;
dsp1_mapper = DSP1Unmapped;
region = NTSC;
rom_size = 0;
ram_size = 0;
bsx_slot = false;
superfx = false;
sa1 = false;
srtc = false;
sdd1 = false;
spc7110 = false;
spc7110rtc = false;
cx4 = false;
dsp1 = false;
dsp2 = false;
dsp3 = false;
dsp4 = false;
obc1 = false;
st010 = false;
st011 = false;
st018 = false;
}
Cartridge::cartinfo_t::cartinfo_t() {
reset();
}
};

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class Cartridge : public property {
public:
enum Mode {
ModeNormal,
ModeBsxSlotted,
ModeBsx,
ModeSufamiTurbo,
ModeSuperGameBoy,
};
enum Type {
TypeNormal,
TypeBsxSlotted,
TypeBsxBios,
TypeBsx,
TypeSufamiTurboBios,
TypeSufamiTurbo,
TypeSuperGameBoyBios,
TypeGameBoy,
TypeUnknown,
};
enum Region {
NTSC,
PAL,
};
enum MemoryMapper {
LoROM,
HiROM,
ExLoROM,
ExHiROM,
SA1ROM,
SPC7110ROM,
BSCLoROM,
BSCHiROM,
BSXROM,
STROM,
};
enum DSP1MemoryMapper {
DSP1Unmapped,
DSP1LoROM1MB,
DSP1LoROM2MB,
DSP1HiROM,
};
//properties can be read via operator(), eg "if(cartridge.loaded() == true)";
//warning: if loaded() == false, no other property is considered valid!
property_t<bool> loaded; //is a base cartridge inserted?
property_t<Mode> mode;
property_t<Region> region;
property_t<MemoryMapper> mapper;
property_t<DSP1MemoryMapper> dsp1_mapper;
property_t<bool> has_bsx_slot;
property_t<bool> has_superfx;
property_t<bool> has_sa1;
property_t<bool> has_srtc;
property_t<bool> has_sdd1;
property_t<bool> has_spc7110, has_spc7110rtc;
property_t<bool> has_cx4;
property_t<bool> has_dsp1, has_dsp2, has_dsp3, has_dsp4;
property_t<bool> has_obc1;
property_t<bool> has_st010, has_st011, has_st018;
//main interface
void load(Mode);
//void read();
//void load();
void unload();
Type detect_image_type(uint8_t *data, unsigned size) const;
Cartridge();
~Cartridge();
private:
struct cartinfo_t {
Type type;
Region region;
MemoryMapper mapper;
DSP1MemoryMapper dsp1_mapper;
unsigned rom_size, ram_size;
bool bsx_slot;
bool superfx;
bool sa1;
bool srtc;
bool sdd1;
bool spc7110, spc7110rtc;
bool cx4;
bool dsp1, dsp2, dsp3, dsp4;
bool obc1;
bool st010, st011, st018;
void reset();
cartinfo_t();
};
enum HeaderField {
CartName = 0x00,
Mapper = 0x15,
RomType = 0x16,
RomSize = 0x17,
RamSize = 0x18,
CartRegion = 0x19,
Company = 0x1a,
Version = 0x1b,
Complement = 0x1c, //inverse checksum
Checksum = 0x1e,
ResetVector = 0x3c,
};
void read_header(cartinfo_t &info, const uint8_t *data, unsigned size) const;
unsigned find_header(const uint8_t *data, unsigned size) const;
unsigned score_header(const uint8_t *data, unsigned size, unsigned addr) const;
void set_cartinfo(const cartinfo_t&);
};
namespace memory {
extern MappedRAM cartrom, cartram, cartrtc;
extern MappedRAM bsxflash, bsxram, bsxpram;
extern MappedRAM stArom, stAram;
extern MappedRAM stBrom, stBram;
extern MappedRAM gbrom, gbram;
};
extern Cartridge cartridge;

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tools/bsnes/cartridge/header.cpp Executable file
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#ifdef CARTRIDGE_CPP
void Cartridge::read_header(cartinfo_t &info, const uint8_t *data, unsigned size) const {
info.reset();
//=====================
//detect Game Boy carts
//=====================
if(size >= 0x0140) {
if(data[0x0104] == 0xce && data[0x0105] == 0xed && data[0x0106] == 0x66 && data[0x0107] == 0x66
&& data[0x0108] == 0xcc && data[0x0109] == 0x0d && data[0x010a] == 0x00 && data[0x010b] == 0x0b) {
info.type = TypeGameBoy;
return;
}
}
const unsigned index = find_header(data, size);
const uint8 mapper = data[index + Mapper];
const uint8 rom_type = data[index + RomType];
const uint8 rom_size = data[index + RomSize];
const uint8 company = data[index + Company];
const uint8 region = data[index + CartRegion] & 0x7f;
if(data[index + RamSize] & 7) {
info.ram_size = 1024 << (data[index + RamSize] & 7);
} else {
info.ram_size = 0;
}
//0, 1, 13 = NTSC; 2 - 12 = PAL
info.region = (region <= 1 || region >= 13) ? NTSC : PAL;
//=======================
//detect BS-X flash carts
//=======================
if(data[index + 0x13] == 0x00 || data[index + 0x13] == 0xff) {
if(data[index + 0x14] == 0x00) {
const uint8_t n15 = data[index + 0x15];
if(n15 == 0x00 || n15 == 0x80 || n15 == 0x84 || n15 == 0x9c || n15 == 0xbc || n15 == 0xfc) {
if(data[index + 0x1a] == 0x33 || data[index + 0x1a] == 0xff) {
info.type = TypeBsx;
info.mapper = BSXROM;
info.region = NTSC; //BS-X only released in Japan
return;
}
}
}
}
//=========================
//detect Sufami Turbo carts
//=========================
if(!memcmp(data, "BANDAI SFC-ADX", 14)) {
if(!memcmp(data + 16, "SFC-ADX BACKUP", 14)) {
info.type = TypeSufamiTurboBios;
} else {
info.type = TypeSufamiTurbo;
}
info.mapper = STROM;
info.region = NTSC; //Sufami Turbo only released in Japan
return; //RAM size handled internally by load_cart_st();
}
//==========================
//detect Super Game Boy BIOS
//==========================
if(!memcmp(data + index, "Super GAMEBOY", 13)) {
info.type = TypeSuperGameBoyBios;
return;
}
//=====================
//detect standard carts
//=====================
//detect presence of BS-X flash cartridge connector (reads extended header information)
if(data[index - 14] == 'Z') {
if(data[index - 11] == 'J') {
uint8 n13 = data[index - 13];
if((n13 >= 'A' && n13 <= 'Z') || (n13 >= '0' && n13 <= '9')) {
if(company == 0x33 || (data[index - 10] == 0x00 && data[index - 4] == 0x00)) {
info.bsx_slot = true;
}
}
}
}
if(info.bsx_slot == true) {
if(!memcmp(data + index, "Satellaview BS-X ", 21)) {
//BS-X base cart
info.type = TypeBsxBios;
info.mapper = BSXROM;
info.region = NTSC; //BS-X only released in Japan
return; //RAM size handled internally by load_cart_bsx() -> BSXCart class
} else {
info.type = TypeBsxSlotted;
info.mapper = (index == 0x7fc0 ? BSCLoROM : BSCHiROM);
}
} else {
//standard cart
info.type = TypeNormal;
if(index == 0x7fc0 && size >= 0x401000) {
info.mapper = ExLoROM;
} else if(index == 0x7fc0 && mapper == 0x32) {
info.mapper = ExLoROM;
} else if(index == 0x7fc0) {
info.mapper = LoROM;
} else if(index == 0xffc0) {
info.mapper = HiROM;
} else { //index == 0x40ffc0
info.mapper = ExHiROM;
}
}
if(mapper == 0x20 && (rom_type == 0x13 || rom_type == 0x14 || rom_type == 0x15 || rom_type == 0x1a)) {
info.superfx = true;
}
if(mapper == 0x23 && (rom_type == 0x32 || rom_type == 0x34 || rom_type == 0x35)) {
info.sa1 = true;
info.mapper = SA1ROM;
}
if(mapper == 0x35 && rom_type == 0x55) {
info.srtc = true;
}
if(mapper == 0x32 && (rom_type == 0x43 || rom_type == 0x45)) {
info.sdd1 = true;
}
if(mapper == 0x3a && (rom_type == 0xf5 || rom_type == 0xf9)) {
info.spc7110 = true;
info.spc7110rtc = (rom_type == 0xf9);
info.mapper = SPC7110ROM;
}
if(mapper == 0x20 && rom_type == 0xf3) {
info.cx4 = true;
}
if((mapper == 0x20 || mapper == 0x21) && rom_type == 0x03) {
info.dsp1 = true;
}
if(mapper == 0x30 && rom_type == 0x05 && company != 0xb2) {
info.dsp1 = true;
}
if(mapper == 0x31 && (rom_type == 0x03 || rom_type == 0x05)) {
info.dsp1 = true;
}
if(info.dsp1 == true) {
if((mapper & 0x2f) == 0x20 && size <= 0x100000) {
info.dsp1_mapper = DSP1LoROM1MB;
} else if((mapper & 0x2f) == 0x20) {
info.dsp1_mapper = DSP1LoROM2MB;
} else if((mapper & 0x2f) == 0x21) {
info.dsp1_mapper = DSP1HiROM;
}
}
if(mapper == 0x20 && rom_type == 0x05) {
info.dsp2 = true;
}
if(mapper == 0x30 && rom_type == 0x05 && company == 0xb2) {
info.dsp3 = true;
}
if(mapper == 0x30 && rom_type == 0x03) {
info.dsp4 = true;
}
if(mapper == 0x30 && rom_type == 0x25) {
info.obc1 = true;
}
if(mapper == 0x30 && rom_type == 0xf6 && rom_size >= 10) {
info.st010 = true;
}
if(mapper == 0x30 && rom_type == 0xf6 && rom_size < 10) {
info.st011 = true;
}
if(mapper == 0x30 && rom_type == 0xf5) {
info.st018 = true;
}
}
unsigned Cartridge::find_header(const uint8_t *data, unsigned size) const {
unsigned score_lo = score_header(data, size, 0x007fc0);
unsigned score_hi = score_header(data, size, 0x00ffc0);
unsigned score_ex = score_header(data, size, 0x40ffc0);
if(score_ex) score_ex += 4; //favor ExHiROM on images > 32mbits
if(score_lo >= score_hi && score_lo >= score_ex) {
return 0x007fc0;
} else if(score_hi >= score_ex) {
return 0x00ffc0;
} else {
return 0x40ffc0;
}
}
unsigned Cartridge::score_header(const uint8_t *data, unsigned size, unsigned addr) const {
if(size < addr + 64) return 0; //image too small to contain header at this location?
int score = 0;
uint16 resetvector = data[addr + ResetVector] | (data[addr + ResetVector + 1] << 8);
uint16 checksum = data[addr + Checksum ] | (data[addr + Checksum + 1] << 8);
uint16 complement = data[addr + Complement ] | (data[addr + Complement + 1] << 8);
uint8 resetop = data[(addr & ~0x7fff) | (resetvector & 0x7fff)]; //first opcode executed upon reset
uint8 mapper = data[addr + Mapper] & ~0x10; //mask off irrelevent FastROM-capable bit
//$00:[000-7fff] contains uninitialized RAM and MMIO.
//reset vector must point to ROM at $00:[8000-ffff] to be considered valid.
if(resetvector < 0x8000) return 0;
//some images duplicate the header in multiple locations, and others have completely
//invalid header information that cannot be relied upon.
//below code will analyze the first opcode executed at the specified reset vector to
//determine the probability that this is the correct header.
//most likely opcodes
if(resetop == 0x78 //sei
|| resetop == 0x18 //clc (clc; xce)
|| resetop == 0x38 //sec (sec; xce)
|| resetop == 0x9c //stz $nnnn (stz $4200)
|| resetop == 0x4c //jmp $nnnn
|| resetop == 0x5c //jml $nnnnnn
) score += 8;
//plausible opcodes
if(resetop == 0xc2 //rep #$nn
|| resetop == 0xe2 //sep #$nn
|| resetop == 0xad //lda $nnnn
|| resetop == 0xae //ldx $nnnn
|| resetop == 0xac //ldy $nnnn
|| resetop == 0xaf //lda $nnnnnn
|| resetop == 0xa9 //lda #$nn
|| resetop == 0xa2 //ldx #$nn
|| resetop == 0xa0 //ldy #$nn
|| resetop == 0x20 //jsr $nnnn
|| resetop == 0x22 //jsl $nnnnnn
) score += 4;
//implausible opcodes
if(resetop == 0x40 //rti
|| resetop == 0x60 //rts
|| resetop == 0x6b //rtl
|| resetop == 0xcd //cmp $nnnn
|| resetop == 0xec //cpx $nnnn
|| resetop == 0xcc //cpy $nnnn
) score -= 4;
//least likely opcodes
if(resetop == 0x00 //brk #$nn
|| resetop == 0x02 //cop #$nn
|| resetop == 0xdb //stp
|| resetop == 0x42 //wdm
|| resetop == 0xff //sbc $nnnnnn,x
) score -= 8;
//at times, both the header and reset vector's first opcode will match ...
//fallback and rely on info validity in these cases to determine more likely header.
//a valid checksum is the biggest indicator of a valid header.
if((checksum + complement) == 0xffff && (checksum != 0) && (complement != 0)) score += 4;
if(addr == 0x007fc0 && mapper == 0x20) score += 2; //0x20 is usually LoROM
if(addr == 0x00ffc0 && mapper == 0x21) score += 2; //0x21 is usually HiROM
if(addr == 0x007fc0 && mapper == 0x22) score += 2; //0x22 is usually ExLoROM
if(addr == 0x40ffc0 && mapper == 0x25) score += 2; //0x25 is usually ExHiROM
if(data[addr + Company] == 0x33) score += 2; //0x33 indicates extended header
if(data[addr + RomType] < 0x08) score++;
if(data[addr + RomSize] < 0x10) score++;
if(data[addr + RamSize] < 0x08) score++;
if(data[addr + CartRegion] < 14) score++;
if(score < 0) score = 0;
return score;
}
#endif

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tools/bsnes/chip/sa1/bus/bus.cpp Executable file
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#ifdef SA1_CPP
SA1Bus sa1bus;
namespace memory {
VectorSelectionPage vectorsp;
StaticRAM iram(2048);
MappedRAM &bwram = memory::cartram;
CC1BWRAM cc1bwram;
BitmapRAM bitmapram;
}
void SA1Bus::init() {
for(uint32_t i = 0x0000; i <= 0xffff; i++) {
map(i << 8, memory::memory_unmapped, 0);
}
for(uint16_t i = 0x2200; i <= 0x23ff; i++) {
memory::mmio.map(i, sa1);
}
map(MapLinear, 0x00, 0x3f, 0x0000, 0x07ff, memory::iram);
map(MapDirect, 0x00, 0x3f, 0x2200, 0x23ff, memory::mmio);
map(MapLinear, 0x00, 0x3f, 0x3000, 0x37ff, memory::iram);
map(MapLinear, 0x00, 0x3f, 0x6000, 0x7fff, memory::bwram);
map(MapLinear, 0x00, 0x3f, 0x8000, 0xffff, memory::cartrom);
map(MapLinear, 0x40, 0x4f, 0x0000, 0xffff, memory::bwram);
map(MapLinear, 0x60, 0x6f, 0x0000, 0xffff, memory::bitmapram);
map(MapLinear, 0x80, 0xbf, 0x0000, 0x07ff, memory::iram);
map(MapDirect, 0x80, 0xbf, 0x2200, 0x23ff, memory::mmio);
map(MapLinear, 0x80, 0xbf, 0x3000, 0x37ff, memory::iram);
map(MapLinear, 0x80, 0xbf, 0x6000, 0x7fff, memory::bwram);
map(MapLinear, 0x80, 0xbf, 0x8000, 0xffff, memory::cartrom);
map(MapLinear, 0xc0, 0xff, 0x0000, 0xffff, memory::cartrom);
bus.map(MapLinear, 0x00, 0x3f, 0x3000, 0x37ff, memory::iram);
bus.map(MapLinear, 0x00, 0x3f, 0x6000, 0x7fff, memory::cc1bwram);
bus.map(MapLinear, 0x00, 0x3f, 0x8000, 0xffff, memory::cartrom);
bus.map(MapLinear, 0x40, 0x4f, 0x0000, 0xffff, memory::cc1bwram);
bus.map(MapLinear, 0x80, 0xbf, 0x3000, 0x37ff, memory::iram);
bus.map(MapLinear, 0x80, 0xbf, 0x6000, 0x7fff, memory::cc1bwram);
bus.map(MapLinear, 0x80, 0xbf, 0x8000, 0xffff, memory::cartrom);
bus.map(MapLinear, 0xc0, 0xff, 0x0000, 0xffff, memory::cartrom);
memory::vectorsp.sync();
}
//===================
//VectorSelectionPage
//===================
//this class maps $00:[ff00-ffff] for the purpose of supporting:
//$2209.d6 IVSW (S-CPU IRQ vector selection) (0 = cart, 1 = SA-1)
//$2209.d4 NVSW (S-CPU NMI vector selection) (0 = cart, 1 = SA-1)
//when set, vector addresses are over-ridden with SA-1 register settings:
//SIV = S-CPU IRQ vector address override
//SNV = S-CPU NMI vector address override
//
//$00:[ffea-ffeb|ffee-ffef] are special cased on read;
//all other addresses return original mapped data.
uint8_t VectorSelectionPage::read(unsigned addr) {
switch(0xff00 | (addr & 0xff)) {
case 0xffea: case 0xffeb: {
if(sa1.mmio.cpu_nvsw == true) return (sa1.mmio.snv >> ((addr & 1) << 3));
} break;
case 0xffee: case 0xffef: {
if(sa1.mmio.cpu_ivsw == true) return (sa1.mmio.siv >> ((addr & 1) << 3));
} break;
}
return access->read(addr);
}
void VectorSelectionPage::write(unsigned addr, uint8_t data) {
return access->write(addr, data);
}
//call this whenever bus is remapped.
//note: S-CPU and SA-1 bus always share $00:[ff00-ffff] as cartridge ROM data;
//the SA-1 MMC does not allow mapping these independently between processors.
//this allows this class to be shared for both, caching only ones' access class.
void VectorSelectionPage::sync() {
if(bus.page[0x00ff00 >> 8].access != this) {
//bus was re-mapped, hook access routine
access = bus.page[0x00ff00 >> 8].access;
bus.page[0x00ff00 >> 8].access = this;
sa1bus.page[0x00ff00 >> 8].access = this;
}
}
//========
//CC1BWRAM
//========
unsigned CC1BWRAM::size() const {
return memory::cartram.size();
}
uint8_t CC1BWRAM::read(unsigned addr) {
if(dma) return sa1.dma_cc1_read(addr);
return memory::cartram.read(addr);
}
void CC1BWRAM::write(unsigned addr, uint8_t data) {
memory::cartram.write(addr, data);
}
//=========
//BitmapRAM
//=========
unsigned BitmapRAM::size() const {
return 0x100000;
}
uint8_t BitmapRAM::read(unsigned addr) {
if(sa1.mmio.bbf == 0) {
//4bpp
unsigned shift = addr & 1;
addr = (addr >> 1) & (memory::cartram.size() - 1);
switch(shift) {
case 0: return (memory::cartram.read(addr) >> 0) & 15;
case 1: return (memory::cartram.read(addr) >> 4) & 15;
}
} else {
//2bpp
unsigned shift = addr & 3;
addr = (addr >> 2) & (memory::cartram.size() - 1);
switch(shift) {
case 0: return (memory::cartram.read(addr) >> 0) & 3;
case 1: return (memory::cartram.read(addr) >> 2) & 3;
case 2: return (memory::cartram.read(addr) >> 4) & 3;
case 3: return (memory::cartram.read(addr) >> 6) & 3;
}
}
}
void BitmapRAM::write(unsigned addr, uint8_t data) {
if(sa1.mmio.bbf == 0) {
//4bpp
uint8_t shift = addr & 1;
addr = (addr >> 1) & (memory::cartram.size() - 1);
switch(shift) {
case 0: data = (memory::cartram.read(addr) & 0xf0) | ((data & 15) << 0); break;
case 1: data = (memory::cartram.read(addr) & 0x0f) | ((data & 15) << 4); break;
}
} else {
//2bpp
uint8_t shift = addr & 3;
addr = (addr >> 2) & (memory::cartram.size() - 1);
switch(shift) {
case 0: data = (memory::cartram.read(addr) & 0xfc) | ((data & 3) << 0); break;
case 1: data = (memory::cartram.read(addr) & 0xf3) | ((data & 3) << 2); break;
case 2: data = (memory::cartram.read(addr) & 0xcf) | ((data & 3) << 4); break;
case 3: data = (memory::cartram.read(addr) & 0x3f) | ((data & 3) << 6); break;
}
}
memory::cartram.write(addr, data);
}
#endif

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struct SA1Bus : Bus {
void init();
};
struct VectorSelectionPage : Memory {
alwaysinline uint8_t read(unsigned);
alwaysinline void write(unsigned, uint8_t);
void sync();
Memory *access;
};
struct CC1BWRAM : Memory {
unsigned size() const;
alwaysinline uint8_t read(unsigned);
alwaysinline void write(unsigned, uint8_t);
bool dma;
};
struct BitmapRAM : Memory {
unsigned size() const;
alwaysinline uint8_t read(unsigned);
alwaysinline void write(unsigned, uint8_t);
};
namespace memory {
extern VectorSelectionPage vectorsp;
extern StaticRAM iram;
extern MappedRAM &bwram;
extern CC1BWRAM cc1bwram;
extern BitmapRAM bitmapram;
}

139
tools/bsnes/chip/sa1/dma/dma.cpp Executable file
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#ifdef SA1_CPP
//====================
//direct data transfer
//====================
void SA1::dma_normal() {
while(mmio.dtc--) {
uint8_t data = regs.mdr;
uint32_t dsa = mmio.dsa++;
uint32_t dda = mmio.dda++;
//source and destination cannot be the same
if(mmio.sd == DMA::SourceBWRAM && mmio.dd == DMA::DestBWRAM) continue;
if(mmio.sd == DMA::SourceIRAM && mmio.dd == DMA::DestIRAM ) continue;
switch(mmio.sd) {
case DMA::SourceROM: {
if((dsa & 0x408000) == 0x008000 || (dsa & 0xc00000) == 0xc00000) {
data = sa1bus.read(dsa);
}
} break;
case DMA::SourceBWRAM: {
if((dsa & 0x40e000) == 0x006000 || (dsa & 0xf00000) == 0x400000) {
data = sa1bus.read(dsa);
}
} break;
case DMA::SourceIRAM: {
data = memory::iram.read(dsa & 0x07ff);
} break;
}
switch(mmio.dd) {
case DMA::DestBWRAM: {
if((dda & 0x40e000) == 0x006000 || (dda & 0xf00000) == 0x400000) {
sa1bus.write(dda, data);
}
} break;
case DMA::DestIRAM: {
memory::iram.write(dda & 0x07ff, data);
} break;
}
}
mmio.dma_irqfl = true;
if(mmio.dma_irqen) mmio.dma_irqcl = 0;
}
//((byte & 6) << 3) + (byte & 1) explanation:
//transforms a byte index (0-7) into a planar index:
//result[] = { 0, 1, 16, 17, 32, 33, 48, 49 };
//works for 2bpp, 4bpp and 8bpp modes
//===========================
//type-1 character conversion
//===========================
void SA1::dma_cc1() {
memory::cc1bwram.dma = true;
mmio.chdma_irqfl = true;
if(mmio.chdma_irqen) {
mmio.chdma_irqcl = 0;
cpu.regs.irq = 1;
}
}
uint8_t SA1::dma_cc1_read(unsigned addr) {
//16 bytes/char (2bpp); 32 bytes/char (4bpp); 64 bytes/char (8bpp)
unsigned charmask = (1 << (6 - mmio.dmacb)) - 1;
if((addr & charmask) == 0) {
//buffer next character to I-RAM
unsigned bpp = 2 << (2 - mmio.dmacb);
unsigned bpl = (8 << mmio.dmasize) >> mmio.dmacb;
unsigned bwmask = memory::bwram.size() - 1;
unsigned tile = ((addr - mmio.dsa) & bwmask) >> (6 - mmio.dmacb);
unsigned ty = (tile >> mmio.dmasize);
unsigned tx = tile & ((1 << mmio.dmasize) - 1);
unsigned bwaddr = mmio.dsa + ty * 8 * bpl + tx * bpp;
for(unsigned y = 0; y < 8; y++) {
uint64_t data = 0;
for(unsigned byte = 0; byte < bpp; byte++) {
data |= (uint64_t)memory::bwram.read((bwaddr + byte) & bwmask) << (byte << 3);
}
bwaddr += bpl;
uint8_t out[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
for(unsigned x = 0; x < 8; x++) {
out[0] |= (data & 1) << (7 - x); data >>= 1;
out[1] |= (data & 1) << (7 - x); data >>= 1;
if(mmio.dmacb == 2) continue;
out[2] |= (data & 1) << (7 - x); data >>= 1;
out[3] |= (data & 1) << (7 - x); data >>= 1;
if(mmio.dmacb == 1) continue;
out[4] |= (data & 1) << (7 - x); data >>= 1;
out[5] |= (data & 1) << (7 - x); data >>= 1;
out[6] |= (data & 1) << (7 - x); data >>= 1;
out[7] |= (data & 1) << (7 - x); data >>= 1;
}
for(unsigned byte = 0; byte < bpp; byte++) {
unsigned p = mmio.dda + (y << 1) + ((byte & 6) << 3) + (byte & 1);
memory::iram.write(p & 0x07ff, out[byte]);
}
}
}
return memory::iram.read((mmio.dda + (addr & charmask)) & 0x07ff);
}
//===========================
//type-2 character conversion
//===========================
void SA1::dma_cc2() {
//select register file index (0-7 or 8-15)
const uint8_t *brf = &mmio.brf[(dma.line & 1) << 3];
unsigned bpp = 2 << (2 - mmio.dmacb);
unsigned addr = mmio.dda & 0x07ff;
addr &= ~((1 << (7 - mmio.dmacb)) - 1);
addr += (dma.line & 8) * bpp;
addr += (dma.line & 7) * 2;
for(unsigned byte = 0; byte < bpp; byte++) {
uint8_t output = 0;
for(unsigned bit = 0; bit < 8; bit++) {
output |= ((brf[bit] >> byte) & 1) << (7 - bit);
}
memory::iram.write(addr + ((byte & 6) << 3) + (byte & 1), output);
}
dma.line = (dma.line + 1) & 15;
}
#endif

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struct DMA {
enum CDEN { DmaNormal = 0, DmaCharConversion = 1 };
enum SD { SourceROM = 0, SourceBWRAM = 1, SourceIRAM = 2 };
enum DD { DestIRAM = 0, DestBWRAM = 1 };
unsigned line;
} dma;
void dma_normal();
void dma_cc1();
uint8_t dma_cc1_read(unsigned addr);
void dma_cc2();

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#ifdef SA1_CPP
//==========================
//SA-1 opcode core functions
//==========================
void SA1::op_io() {
tick();
if(regs.wai) scheduler.sync_copcpu();
}
//ROM, I-RAM and MMIO registers are accessed at ~10.74MHz (2 clock ticks)
//BW-RAM is accessed at ~5.37MHz (4 clock ticks)
//tick() == 2 clock ticks
//note: bus conflict delays are not emulated at this time
#define is_bwram(addr) (\
((addr & 0x40e000) == 0x006000) \
|| ((addr & 0xf00000) == 0x400000) \
|| ((addr & 0xf00000) == 0x600000) \
)
uint8_t SA1::op_read(unsigned addr) {
tick();
if(is_bwram(addr)) tick();
scheduler.sync_copcpu();
return sa1bus.read(addr);
}
void SA1::op_write(unsigned addr, uint8_t data) {
tick();
if(is_bwram(addr)) tick();
scheduler.sync_copcpu();
sa1bus.write(addr, data);
}
#undef is_bwram
#endif

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alwaysinline void op_io();
alwaysinline uint8_t op_read(unsigned addr);
alwaysinline void op_write(unsigned addr, uint8_t data);
alwaysinline unsigned bus_speed(unsigned addr);

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#ifdef SA1_CPP
//BS-X flash carts, when present, are mapped to 0x400000+
Memory& SA1::mmio_access(unsigned &addr) {
if(!memory::bsxflash.data()) return memory::cartrom;
if(addr < 0x400000) return memory::cartrom;
addr &= 0x3fffff;
return bsxflash;
}
//(CCNT) SA-1 control
void SA1::mmio_w2200(uint8_t data) {
if(mmio.sa1_resb && !(data & 0x80)) {
//reset SA-1 CPU
regs.pc.w = mmio.crv;
regs.pc.b = 0x00;
}
mmio.sa1_irq = (data & 0x80);
mmio.sa1_rdyb = (data & 0x40);
mmio.sa1_resb = (data & 0x20);
mmio.sa1_nmi = (data & 0x10);
mmio.smeg = (data & 0x0f);
if(mmio.sa1_irq) {
mmio.sa1_irqfl = true;
if(mmio.sa1_irqen) mmio.sa1_irqcl = 0;
}
if(mmio.sa1_nmi) {
mmio.sa1_nmifl = true;
if(mmio.sa1_nmien) mmio.sa1_nmicl = 0;
}
}
//(SIE) S-CPU interrupt enable
void SA1::mmio_w2201(uint8_t data) {
if(!mmio.cpu_irqen && (data & 0x80)) {
if(mmio.cpu_irqfl) {
mmio.cpu_irqcl = 0;
cpu.regs.irq = 1;
}
}
if(!mmio.chdma_irqen && (data & 0x20)) {
if(mmio.chdma_irqfl) {
mmio.chdma_irqcl = 0;
cpu.regs.irq = 1;
}
}
mmio.cpu_irqen = (data & 0x80);
mmio.chdma_irqen = (data & 0x20);
}
//(SIC) S-CPU interrupt clear
void SA1::mmio_w2202(uint8_t data) {
mmio.cpu_irqcl = (data & 0x80);
mmio.chdma_irqcl = (data & 0x20);
if(mmio.cpu_irqcl ) mmio.cpu_irqfl = false;
if(mmio.chdma_irqcl) mmio.chdma_irqfl = false;
if(!mmio.cpu_irqfl && !mmio.chdma_irqfl) cpu.regs.irq = 0;
}
//(CRV) SA-1 reset vector
void SA1::mmio_w2203(uint8_t data) { mmio.crv = (mmio.crv & 0xff00) | data; }
void SA1::mmio_w2204(uint8_t data) { mmio.crv = (data << 8) | (mmio.crv & 0xff); }
//(CNV) SA-1 NMI vector
void SA1::mmio_w2205(uint8_t data) { mmio.cnv = (mmio.cnv & 0xff00) | data; }
void SA1::mmio_w2206(uint8_t data) { mmio.cnv = (data << 8) | (mmio.cnv & 0xff); }
//(CIV) SA-1 IRQ vector
void SA1::mmio_w2207(uint8_t data) { mmio.civ = (mmio.civ & 0xff00) | data; }
void SA1::mmio_w2208(uint8_t data) { mmio.civ = (data << 8) | (mmio.civ & 0xff); }
//(SCNT) S-CPU control
void SA1::mmio_w2209(uint8_t data) {
mmio.cpu_irq = (data & 0x80);
mmio.cpu_ivsw = (data & 0x40);
mmio.cpu_nvsw = (data & 0x10);
mmio.cmeg = (data & 0x0f);
if(mmio.cpu_irq) {
mmio.cpu_irqfl = true;
if(mmio.cpu_irqen) {
mmio.cpu_irqcl = 0;
cpu.regs.irq = 1;
}
}
}
//(CIE) SA-1 interrupt enable
void SA1::mmio_w220a(uint8_t data) {
if(!mmio.sa1_irqen && (data & 0x80) && mmio.sa1_irqfl ) mmio.sa1_irqcl = 0;
if(!mmio.timer_irqen && (data & 0x40) && mmio.timer_irqfl) mmio.timer_irqcl = 0;
if(!mmio.dma_irqen && (data & 0x20) && mmio.dma_irqfl ) mmio.dma_irqcl = 0;
if(!mmio.sa1_nmien && (data & 0x10) && mmio.sa1_nmifl ) mmio.sa1_nmicl = 0;
mmio.sa1_irqen = (data & 0x80);
mmio.timer_irqen = (data & 0x40);
mmio.dma_irqen = (data & 0x20);
mmio.sa1_nmien = (data & 0x10);
}
//(CIC) SA-1 interrupt clear
void SA1::mmio_w220b(uint8_t data) {
mmio.sa1_irqcl = (data & 0x80);
mmio.timer_irqcl = (data & 0x40);
mmio.dma_irqcl = (data & 0x20);
mmio.sa1_nmicl = (data & 0x10);
if(mmio.sa1_irqcl) mmio.sa1_irqfl = false;
if(mmio.timer_irqcl) mmio.timer_irqfl = false;
if(mmio.dma_irqcl) mmio.dma_irqfl = false;
if(mmio.sa1_nmicl) mmio.sa1_nmifl = false;
}
//(SNV) S-CPU NMI vector
void SA1::mmio_w220c(uint8_t data) { mmio.snv = (mmio.snv & 0xff00) | data; }
void SA1::mmio_w220d(uint8_t data) { mmio.snv = (data << 8) | (mmio.snv & 0xff); }
//(SIV) S-CPU IRQ vector
void SA1::mmio_w220e(uint8_t data) { mmio.siv = (mmio.siv & 0xff00) | data; }
void SA1::mmio_w220f(uint8_t data) { mmio.siv = (data << 8) | (mmio.siv & 0xff); }
//(TMC) H/V timer control
void SA1::mmio_w2210(uint8_t data) {
mmio.hvselb = (data & 0x80);
mmio.ven = (data & 0x02);
mmio.hen = (data & 0x01);
}
//(CTR) SA-1 timer restart
void SA1::mmio_w2211(uint8_t data) {
status.vcounter = 0;
status.hcounter = 0;
}
//(HCNT) H-count
void SA1::mmio_w2212(uint8_t data) { mmio.hcnt = (mmio.hcnt & 0xff00) | (data << 0); }
void SA1::mmio_w2213(uint8_t data) { mmio.hcnt = (mmio.hcnt & 0x00ff) | (data << 8); }
//(VCNT) V-count
void SA1::mmio_w2214(uint8_t data) { mmio.vcnt = (mmio.vcnt & 0xff00) | (data << 0); }
void SA1::mmio_w2215(uint8_t data) { mmio.vcnt = (mmio.vcnt & 0x00ff) | (data << 8); }
//(CXB) Super MMC bank C
void SA1::mmio_w2220(uint8_t data) {
mmio.cbmode = (data & 0x80);
mmio.cb = (data & 0x07);
unsigned addr = mmio.cb << 20;
Memory &access = mmio_access(addr);
if(mmio.cbmode == 0) {
bus.map(Bus::MapLinear, 0x00, 0x1f, 0x8000, 0xffff, memory::cartrom, 0x000000);
sa1bus.map(Bus::MapLinear, 0x00, 0x1f, 0x8000, 0xffff, memory::cartrom, 0x000000);
} else {
bus.map(Bus::MapLinear, 0x00, 0x1f, 0x8000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0x00, 0x1f, 0x8000, 0xffff, access, addr);
}
bus.map(Bus::MapLinear, 0xc0, 0xcf, 0x0000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0xc0, 0xcf, 0x0000, 0xffff, access, addr);
memory::vectorsp.sync();
}
//(DXB) Super MMC bank D
void SA1::mmio_w2221(uint8_t data) {
mmio.dbmode = (data & 0x80);
mmio.db = (data & 0x07);
unsigned addr = mmio.db << 20;
Memory &access = mmio_access(addr);
if(mmio.dbmode == 0) {
bus.map(Bus::MapLinear, 0x20, 0x3f, 0x8000, 0xffff, memory::cartrom, 0x100000);
sa1bus.map(Bus::MapLinear, 0x20, 0x3f, 0x8000, 0xffff, memory::cartrom, 0x100000);
} else {
bus.map(Bus::MapLinear, 0x20, 0x3f, 0x8000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0x20, 0x3f, 0x8000, 0xffff, access, addr);
}
bus.map(Bus::MapLinear, 0xd0, 0xdf, 0x0000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0xd0, 0xdf, 0x0000, 0xffff, access, addr);
}
//(EXB) Super MMC bank E
void SA1::mmio_w2222(uint8_t data) {
mmio.ebmode = (data & 0x80);
mmio.eb = (data & 0x07);
unsigned addr = mmio.eb << 20;
Memory &access = mmio_access(addr);
if(mmio.ebmode == 0) {
bus.map(Bus::MapLinear, 0x80, 0x9f, 0x8000, 0xffff, memory::cartrom, 0x200000);
sa1bus.map(Bus::MapLinear, 0x80, 0x9f, 0x8000, 0xffff, memory::cartrom, 0x200000);
} else {
bus.map(Bus::MapLinear, 0x80, 0x9f, 0x8000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0x80, 0x9f, 0x8000, 0xffff, access, addr);
}
bus.map(Bus::MapLinear, 0xe0, 0xef, 0x0000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0xe0, 0xef, 0x0000, 0xffff, access, addr);
}
//(FXB) Super MMC bank F
void SA1::mmio_w2223(uint8_t data) {
mmio.fbmode = (data & 0x80);
mmio.fb = (data & 0x07);
unsigned addr = mmio.fb << 20;
Memory &access = mmio_access(addr);
if(mmio.fbmode == 0) {
bus.map(Bus::MapLinear, 0xa0, 0xbf, 0x8000, 0xffff, memory::cartrom, 0x300000);
sa1bus.map(Bus::MapLinear, 0xa0, 0xbf, 0x8000, 0xffff, memory::cartrom, 0x300000);
} else {
bus.map(Bus::MapLinear, 0xa0, 0xbf, 0x8000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0xa0, 0xbf, 0x8000, 0xffff, access, addr);
}
bus.map(Bus::MapLinear, 0xf0, 0xff, 0x0000, 0xffff, access, addr);
sa1bus.map(Bus::MapLinear, 0xf0, 0xff, 0x0000, 0xffff, access, addr);
}
//(BMAPS) S-CPU BW-RAM address mapping
void SA1::mmio_w2224(uint8_t data) {
mmio.sbm = (data & 0x1f);
bus.map(Bus::MapLinear, 0x00, 0x3f, 0x6000, 0x7fff, memory::cc1bwram, mmio.sbm * 0x2000, 0x2000);
bus.map(Bus::MapLinear, 0x80, 0xbf, 0x6000, 0x7fff, memory::cc1bwram, mmio.sbm * 0x2000, 0x2000);
}
//(BMAP) SA-1 BW-RAM address mapping
void SA1::mmio_w2225(uint8_t data) {
mmio.sw46 = (data & 0x80);
mmio.cbm = (data & 0x7f);
if(mmio.sw46 == 0) {
//$[40-43]:[0000-ffff] x 32 projection
sa1bus.map(Bus::MapLinear, 0x00, 0x3f, 0x6000, 0x7fff, memory::bwram, (mmio.cbm & 0x1f) * 0x2000, 0x2000);
sa1bus.map(Bus::MapLinear, 0x80, 0xbf, 0x6000, 0x7fff, memory::bwram, (mmio.cbm & 0x1f) * 0x2000, 0x2000);
} else {
//$[60-6f]:[0000-ffff] x 128 projection
sa1bus.map(Bus::MapLinear, 0x00, 0x3f, 0x6000, 0x7fff, memory::bitmapram, mmio.cbm * 0x2000, 0x2000);
sa1bus.map(Bus::MapLinear, 0x80, 0xbf, 0x6000, 0x7fff, memory::bitmapram, mmio.cbm * 0x2000, 0x2000);
}
}
//(SWBE) S-CPU BW-RAM write enable
void SA1::mmio_w2226(uint8_t data) {
mmio.swen = (data & 0x80);
}
//(CWBE) SA-1 BW-RAM write enable
void SA1::mmio_w2227(uint8_t data) {
mmio.cwen = (data & 0x80);
}
//(BWPA) BW-RAM write-protected area
void SA1::mmio_w2228(uint8_t data) {
mmio.bwp = (data & 0x0f);
}
//(SIWP) S-CPU I-RAM write protection
void SA1::mmio_w2229(uint8_t data) {
mmio.siwp = data;
}
//(CIWP) SA-1 I-RAM write protection
void SA1::mmio_w222a(uint8_t data) {
mmio.ciwp = data;
}
//(DCNT) DMA control
void SA1::mmio_w2230(uint8_t data) {
mmio.dmaen = (data & 0x80);
mmio.dprio = (data & 0x40);
mmio.cden = (data & 0x20);
mmio.cdsel = (data & 0x10);
mmio.dd = (data & 0x04);
mmio.sd = (data & 0x03);
if(mmio.dmaen == 0) dma.line = 0;
}
//(CDMA) character conversion DMA parameters
void SA1::mmio_w2231(uint8_t data) {
mmio.chdend = (data & 0x80);
mmio.dmasize = (data >> 2) & 7;
mmio.dmacb = (data & 0x03);
if(mmio.chdend) memory::cc1bwram.dma = false;
if(mmio.dmasize > 5) mmio.dmasize = 5;
if(mmio.dmacb > 2) mmio.dmacb = 2;
}
//(SDA) DMA source device start address
void SA1::mmio_w2232(uint8_t data) { mmio.dsa = (mmio.dsa & 0xffff00) | (data << 0); }
void SA1::mmio_w2233(uint8_t data) { mmio.dsa = (mmio.dsa & 0xff00ff) | (data << 8); }
void SA1::mmio_w2234(uint8_t data) { mmio.dsa = (mmio.dsa & 0x00ffff) | (data << 16); }
//(DDA) DMA destination start address
void SA1::mmio_w2235(uint8_t data) {
mmio.dda = (mmio.dda & 0xffff00) | (data << 0);
}
void SA1::mmio_w2236(uint8_t data) {
mmio.dda = (mmio.dda & 0xff00ff) | (data << 8);
if(mmio.dmaen == true) {
if(mmio.cden == 0 && mmio.dd == DMA::DestIRAM) {
dma_normal();
} else if(mmio.cden == 1 && mmio.cdsel == 1) {
dma_cc1();
}
}
}
void SA1::mmio_w2237(uint8_t data) {
mmio.dda = (mmio.dda & 0x00ffff) | (data << 16);
if(mmio.dmaen == true) {
if(mmio.cden == 0 && mmio.dd == DMA::DestBWRAM) {
dma_normal();
}
}
}
//(DTC) DMA terminal counter
void SA1::mmio_w2238(uint8_t data) { mmio.dtc = (mmio.dtc & 0xff00) | (data << 0); }
void SA1::mmio_w2239(uint8_t data) { mmio.dtc = (mmio.dtc & 0x00ff) | (data << 8); }
//(BBF) BW-RAM bitmap format
void SA1::mmio_w223f(uint8_t data) {
mmio.bbf = (data & 0x80);
}
//(BRF) bitmap register files
void SA1::mmio_w2240(uint8_t data) { mmio.brf[ 0] = data; }
void SA1::mmio_w2241(uint8_t data) { mmio.brf[ 1] = data; }
void SA1::mmio_w2242(uint8_t data) { mmio.brf[ 2] = data; }
void SA1::mmio_w2243(uint8_t data) { mmio.brf[ 3] = data; }
void SA1::mmio_w2244(uint8_t data) { mmio.brf[ 4] = data; }
void SA1::mmio_w2245(uint8_t data) { mmio.brf[ 5] = data; }
void SA1::mmio_w2246(uint8_t data) { mmio.brf[ 6] = data; }
void SA1::mmio_w2247(uint8_t data) { mmio.brf[ 7] = data;
if(mmio.dmaen == true) {
if(mmio.cden == 1 && mmio.cdsel == 0) {
dma_cc2();
}
}
}
void SA1::mmio_w2248(uint8_t data) { mmio.brf[ 8] = data; }
void SA1::mmio_w2249(uint8_t data) { mmio.brf[ 9] = data; }
void SA1::mmio_w224a(uint8_t data) { mmio.brf[10] = data; }
void SA1::mmio_w224b(uint8_t data) { mmio.brf[11] = data; }
void SA1::mmio_w224c(uint8_t data) { mmio.brf[12] = data; }
void SA1::mmio_w224d(uint8_t data) { mmio.brf[13] = data; }
void SA1::mmio_w224e(uint8_t data) { mmio.brf[14] = data; }
void SA1::mmio_w224f(uint8_t data) { mmio.brf[15] = data;
if(mmio.dmaen == true) {
if(mmio.cden == 1 && mmio.cdsel == 0) {
dma_cc2();
}
}
}
//(MCNT) arithmetic control
void SA1::mmio_w2250(uint8_t data) {
mmio.acm = (data & 0x02);
mmio.md = (data & 0x01);
if(mmio.acm) mmio.mr = 0;
}
//(MAL) multiplicand / dividend low
void SA1::mmio_w2251(uint8_t data) {
mmio.ma = (mmio.ma & 0xff00) | data;
}
//(MAH) multiplicand / dividend high
void SA1::mmio_w2252(uint8_t data) {
mmio.ma = (data << 8) | (mmio.ma & 0x00ff);
}
//(MBL) multiplier / divisor low
void SA1::mmio_w2253(uint8_t data) {
mmio.mb = (mmio.mb & 0xff00) | data;
}
//(MBH) multiplier / divisor high
//multiplication / cumulative sum only resets MB
//division resets both MA and MB
void SA1::mmio_w2254(uint8_t data) {
mmio.mb = (data << 8) | (mmio.mb & 0x00ff);
if(mmio.acm == 0) {
if(mmio.md == 0) {
//signed multiplication
mmio.mr = (int16_t)mmio.ma * (int16_t)mmio.mb;
mmio.mb = 0;
} else {
//unsigned division
if(mmio.mb == 0) {
mmio.mr = 0;
} else {
int16_t quotient = (int16_t)mmio.ma / (uint16_t)mmio.mb;
uint16_t remainder = (int16_t)mmio.ma % (uint16_t)mmio.mb;
mmio.mr = (remainder << 16) | quotient;
}
mmio.ma = 0;
mmio.mb = 0;
}
} else {
//sigma (accumulative multiplication)
mmio.mr += (int16_t)mmio.ma * (int16_t)mmio.mb;
mmio.overflow = (mmio.mr >= (1ULL << 40));
mmio.mr &= (1ULL << 40) - 1;
mmio.mb = 0;
}
}
//(VBD) variable-length bit processing
void SA1::mmio_w2258(uint8_t data) {
mmio.hl = (data & 0x80);
mmio.vb = (data & 0x0f);
if(mmio.vb == 0) mmio.vb = 16;
if(mmio.hl == 0) {
//fixed mode
mmio.vbit += mmio.vb;
mmio.va += (mmio.vbit >> 3);
mmio.vbit &= 7;
}
}
//(VDA) variable-length bit game pak ROM start address
void SA1::mmio_w2259(uint8_t data) { mmio.va = (mmio.va & 0xffff00) | (data << 0); }
void SA1::mmio_w225a(uint8_t data) { mmio.va = (mmio.va & 0xff00ff) | (data << 8); }
void SA1::mmio_w225b(uint8_t data) { mmio.va = (mmio.va & 0x00ffff) | (data << 16); mmio.vbit = 0; }
//(SFR) S-CPU flag read
uint8_t SA1::mmio_r2300() {
uint8_t data;
data = mmio.cpu_irqfl << 7;
data |= mmio.cpu_ivsw << 6;
data |= mmio.chdma_irqfl << 5;
data |= mmio.cpu_nvsw << 4;
data |= mmio.cmeg;
return data;
}
//(CFR) SA-1 flag read
uint8_t SA1::mmio_r2301() {
uint8_t data;
data = mmio.sa1_irqfl << 7;
data |= mmio.timer_irqfl << 6;
data |= mmio.dma_irqfl << 5;
data |= mmio.sa1_nmifl << 4;
data |= mmio.smeg;
return data;
}
//(HCR) hcounter read
uint8_t SA1::mmio_r2302() {
//latch counters
mmio.hcr = status.hcounter >> 2;
mmio.vcr = status.vcounter;
return mmio.hcr >> 0; }
uint8_t SA1::mmio_r2303() { return mmio.hcr >> 8; }
//(VCR) vcounter read
uint8_t SA1::mmio_r2304() { return mmio.vcr >> 0; }
uint8_t SA1::mmio_r2305() { return mmio.vcr >> 8; }
//(MR) arithmetic result
uint8_t SA1::mmio_r2306() { return mmio.mr >> 0; }
uint8_t SA1::mmio_r2307() { return mmio.mr >> 8; }
uint8_t SA1::mmio_r2308() { return mmio.mr >> 16; }
uint8_t SA1::mmio_r2309() { return mmio.mr >> 24; }
uint8_t SA1::mmio_r230a() { return mmio.mr >> 32; }
//(OF) arithmetic overflow flag
uint8_t SA1::mmio_r230b() { return mmio.overflow << 7; }
//(VDPL) variable-length data read port low
uint8_t SA1::mmio_r230c() {
uint32_t data = (sa1bus.read(mmio.va + 0) << 0)
| (sa1bus.read(mmio.va + 1) << 8)
| (sa1bus.read(mmio.va + 2) << 16);
data >>= mmio.vbit;
return data >> 0;
}
//(VDPH) variable-length data read port high
uint8_t SA1::mmio_r230d() {
uint32_t data = (sa1bus.read(mmio.va + 0) << 0)
| (sa1bus.read(mmio.va + 1) << 8)
| (sa1bus.read(mmio.va + 2) << 16);
data >>= mmio.vbit;
if(mmio.hl == 1) {
//auto-increment mode
mmio.vbit += mmio.vb;
mmio.va += (mmio.vbit >> 3);
mmio.vbit &= 7;
}
return data >> 8;
}
//(VC) version code register
uint8_t SA1::mmio_r230e() {
return 0x01; //true value unknown
}
uint8_t SA1::mmio_read(unsigned addr) {
addr &= 0xffff;
switch(addr) {
case 0x2300: return mmio_r2300();
case 0x2301: return mmio_r2301();
case 0x2302: return mmio_r2302();
case 0x2303: return mmio_r2303();
case 0x2304: return mmio_r2304();
case 0x2305: return mmio_r2305();
case 0x2306: return mmio_r2306();
case 0x2307: return mmio_r2307();
case 0x2308: return mmio_r2308();
case 0x2309: return mmio_r2309();
case 0x230a: return mmio_r230a();
case 0x230b: return mmio_r230b();
case 0x230c: return mmio_r230c();
case 0x230d: return mmio_r230d();
case 0x230e: return mmio_r230e();
}
return 0x00;
}
void SA1::mmio_write(unsigned addr, uint8_t data) {
addr &= 0xffff;
switch(addr) {
case 0x2200: return mmio_w2200(data);
case 0x2201: return mmio_w2201(data);
case 0x2202: return mmio_w2202(data);
case 0x2203: return mmio_w2203(data);
case 0x2204: return mmio_w2204(data);
case 0x2205: return mmio_w2205(data);
case 0x2206: return mmio_w2206(data);
case 0x2207: return mmio_w2207(data);
case 0x2208: return mmio_w2208(data);
case 0x2209: return mmio_w2209(data);
case 0x220a: return mmio_w220a(data);
case 0x220b: return mmio_w220b(data);
case 0x220c: return mmio_w220c(data);
case 0x220d: return mmio_w220d(data);
case 0x220e: return mmio_w220e(data);
case 0x220f: return mmio_w220f(data);
case 0x2210: return mmio_w2210(data);
case 0x2211: return mmio_w2211(data);
case 0x2212: return mmio_w2212(data);
case 0x2213: return mmio_w2213(data);
case 0x2214: return mmio_w2214(data);
case 0x2215: return mmio_w2215(data);
case 0x2220: return mmio_w2220(data);
case 0x2221: return mmio_w2221(data);
case 0x2222: return mmio_w2222(data);
case 0x2223: return mmio_w2223(data);
case 0x2224: return mmio_w2224(data);
case 0x2225: return mmio_w2225(data);
case 0x2226: return mmio_w2226(data);
case 0x2227: return mmio_w2227(data);
case 0x2228: return mmio_w2228(data);
case 0x2229: return mmio_w2229(data);
case 0x222a: return mmio_w222a(data);
case 0x2230: return mmio_w2230(data);
case 0x2231: return mmio_w2231(data);
case 0x2232: return mmio_w2232(data);
case 0x2233: return mmio_w2233(data);
case 0x2234: return mmio_w2234(data);
case 0x2235: return mmio_w2235(data);
case 0x2236: return mmio_w2236(data);
case 0x2237: return mmio_w2237(data);
case 0x2238: return mmio_w2238(data);
case 0x2239: return mmio_w2239(data);
case 0x223f: return mmio_w223f(data);
case 0x2240: return mmio_w2240(data);
case 0x2241: return mmio_w2241(data);
case 0x2242: return mmio_w2242(data);
case 0x2243: return mmio_w2243(data);
case 0x2244: return mmio_w2244(data);
case 0x2245: return mmio_w2245(data);
case 0x2246: return mmio_w2246(data);
case 0x2247: return mmio_w2247(data);
case 0x2248: return mmio_w2248(data);
case 0x2249: return mmio_w2249(data);
case 0x224a: return mmio_w224a(data);
case 0x224b: return mmio_w224b(data);
case 0x224c: return mmio_w224c(data);
case 0x224d: return mmio_w224d(data);
case 0x224e: return mmio_w224e(data);
case 0x224f: return mmio_w224f(data);
case 0x2250: return mmio_w2250(data);
case 0x2251: return mmio_w2251(data);
case 0x2252: return mmio_w2252(data);
case 0x2253: return mmio_w2253(data);
case 0x2254: return mmio_w2254(data);
case 0x2258: return mmio_w2258(data);
case 0x2259: return mmio_w2259(data);
case 0x225a: return mmio_w225a(data);
case 0x225b: return mmio_w225b(data);
}
}
#endif

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uint8_t mmio_read(unsigned addr);
void mmio_write(unsigned addr, uint8_t data);
Memory& mmio_access(unsigned &addr);
struct MMIO {
//$2200 CCNT
bool sa1_irq;
bool sa1_rdyb;
bool sa1_resb;
bool sa1_nmi;
uint8_t smeg;
//$2201 SIE
bool cpu_irqen;
bool chdma_irqen;
//$2202 SIC
bool cpu_irqcl;
bool chdma_irqcl;
//$2203,$2204 CRV
uint16_t crv;
//$2205,$2206 CNV
uint16_t cnv;
//$2207,$2208 CIV
uint16_t civ;
//$2209 SCNT
bool cpu_irq;
bool cpu_ivsw;
bool cpu_nvsw;
uint8_t cmeg;
//$220a CIE
bool sa1_irqen;
bool timer_irqen;
bool dma_irqen;
bool sa1_nmien;
//$220b CIC
bool sa1_irqcl;
bool timer_irqcl;
bool dma_irqcl;
bool sa1_nmicl;
//$220c,$220d SNV
uint16_t snv;
//$220e,$220f SIV
uint16_t siv;
//$2210 TMC
bool hvselb;
bool ven;
bool hen;
//$2212,$2213
uint16_t hcnt;
//$2214,$2215
uint16_t vcnt;
//$2220 CXB
bool cbmode;
uint8_t cb;
//$2221 DXB
bool dbmode;
uint8_t db;
//$2222 EXB
bool ebmode;
uint8_t eb;
//$2223 FXB
bool fbmode;
uint8_t fb;
//$2224 BMAPS
uint8_t sbm;
//$2225 BMAP
bool sw46;
uint8_t cbm;
//$2226 SBWE
bool swen;
//$2227 CBWE
bool cwen;
//$2228 BWPA
uint8_t bwp;
//$2229 SIWP
uint8_t siwp;
//$222a CIWP
uint8_t ciwp;
//$2230 DCNT
bool dmaen;
bool dprio;
bool cden;
bool cdsel;
bool dd;
uint8_t sd;
//$2231 CDMA
bool chdend;
uint8_t dmasize;
uint8_t dmacb;
//$2232-$2234 SDA
uint32_t dsa;
//$2235-$2237 DDA
uint32_t dda;
//$2238,$2239 DTC
uint16_t dtc;
//$223f BBF
bool bbf;
//$2240-224f BRF
uint8_t brf[16];
//$2250 MCNT
bool acm;
bool md;
//$2251,$2252 MA
uint16_t ma;
//$2253,$2254 MB
uint16_t mb;
//$2258 VBD
bool hl;
uint8_t vb;
//$2259-$225b VDA
uint32_t va;
uint8_t vbit;
//$2300 SFR
bool cpu_irqfl;
bool chdma_irqfl;
//$2301 CFR
bool sa1_irqfl;
bool timer_irqfl;
bool dma_irqfl;
bool sa1_nmifl;
//$2302,$2303 HCR
uint16_t hcr;
//$2304,$2305 VCR
uint16_t vcr;
//$2306-230a MR
uint64_t mr;
//$230b OF
bool overflow;
} mmio;
void mmio_w2200(uint8_t); //CCNT
void mmio_w2201(uint8_t); //SIE
void mmio_w2202(uint8_t); //SIC
void mmio_w2203(uint8_t); //CRVL
void mmio_w2204(uint8_t); //CRVH
void mmio_w2205(uint8_t); //CNVL
void mmio_w2206(uint8_t); //CNVH
void mmio_w2207(uint8_t); //CIVL
void mmio_w2208(uint8_t); //CIVH
void mmio_w2209(uint8_t); //SCNT
void mmio_w220a(uint8_t); //CIE
void mmio_w220b(uint8_t); //CIC
void mmio_w220c(uint8_t); //SNVL
void mmio_w220d(uint8_t); //SNVH
void mmio_w220e(uint8_t); //SIVL
void mmio_w220f(uint8_t); //SIVH
void mmio_w2210(uint8_t); //TMC
void mmio_w2211(uint8_t); //CTR
void mmio_w2212(uint8_t); //HCNTL
void mmio_w2213(uint8_t); //HCNTH
void mmio_w2214(uint8_t); //VCNTL
void mmio_w2215(uint8_t); //VCNTH
void mmio_w2220(uint8_t); //CXB
void mmio_w2221(uint8_t); //DXB
void mmio_w2222(uint8_t); //EXB
void mmio_w2223(uint8_t); //FXB
void mmio_w2224(uint8_t); //BMAPS
void mmio_w2225(uint8_t); //BMAP
void mmio_w2226(uint8_t); //SBWE
void mmio_w2227(uint8_t); //CBWE
void mmio_w2228(uint8_t); //BWPA
void mmio_w2229(uint8_t); //SIWP
void mmio_w222a(uint8_t); //CIWP
void mmio_w2230(uint8_t); //DCNT
void mmio_w2231(uint8_t); //CDMA
void mmio_w2232(uint8_t); //SDAL
void mmio_w2233(uint8_t); //SDAH
void mmio_w2234(uint8_t); //SDAB
void mmio_w2235(uint8_t); //DDAL
void mmio_w2236(uint8_t); //DDAH
void mmio_w2237(uint8_t); //DDAB
void mmio_w2238(uint8_t); //DTCL
void mmio_w2239(uint8_t); //DTCH
void mmio_w223f(uint8_t); //BBF
void mmio_w2240(uint8_t); //BRF0
void mmio_w2241(uint8_t); //BRF1
void mmio_w2242(uint8_t); //BRF2
void mmio_w2243(uint8_t); //BRF3
void mmio_w2244(uint8_t); //BRF4
void mmio_w2245(uint8_t); //BRF5
void mmio_w2246(uint8_t); //BRF6
void mmio_w2247(uint8_t); //BRF7
void mmio_w2248(uint8_t); //BRF8
void mmio_w2249(uint8_t); //BRF9
void mmio_w224a(uint8_t); //BRFA
void mmio_w224b(uint8_t); //BRFB
void mmio_w224c(uint8_t); //BRFC
void mmio_w224d(uint8_t); //BRFD
void mmio_w224e(uint8_t); //BRFE
void mmio_w224f(uint8_t); //BRFF
void mmio_w2250(uint8_t); //MCNT
void mmio_w2251(uint8_t); //MAL
void mmio_w2252(uint8_t); //MAH
void mmio_w2253(uint8_t); //MBL
void mmio_w2254(uint8_t); //MBH
void mmio_w2258(uint8_t); //VBD
void mmio_w2259(uint8_t); //VDAL
void mmio_w225a(uint8_t); //VDAH
void mmio_w225b(uint8_t); //VDAB
uint8_t mmio_r2300(); //SFR
uint8_t mmio_r2301(); //CFR
uint8_t mmio_r2302(); //HCRL
uint8_t mmio_r2303(); //HCRH
uint8_t mmio_r2304(); //VCRL
uint8_t mmio_r2305(); //VCRH
uint8_t mmio_r2306(); //MR [00-07]
uint8_t mmio_r2307(); //MR [08-15]
uint8_t mmio_r2308(); //MR [16-23]
uint8_t mmio_r2309(); //MR [24-31]
uint8_t mmio_r230a(); //MR [32-40]
uint8_t mmio_r230b(); //OF
uint8_t mmio_r230c(); //VDPL
uint8_t mmio_r230d(); //VDPH
uint8_t mmio_r230e(); //VC

318
tools/bsnes/chip/sa1/sa1.cpp Executable file
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#include <../base.hpp>
#define SA1_CPP
namespace SNES {
SA1 sa1;
#include "bus/bus.cpp"
#include "dma/dma.cpp"
#include "memory/memory.cpp"
#include "mmio/mmio.cpp"
void SA1::enter() {
while(true) {
while(mmio.sa1_rdyb || mmio.sa1_resb) {
//SA-1 co-processor is asleep
tick();
scheduler.sync_copcpu();
}
if(status.interrupt_pending) {
status.interrupt_pending = false;
interrupt(status.interrupt_vector);
}
(this->*opcode_table[op_readpc()])();
}
}
void SA1::last_cycle() {
if(mmio.sa1_nmi && !mmio.sa1_nmicl) {
status.interrupt_pending = true;
status.interrupt_vector = mmio.cnv;
mmio.sa1_nmifl = true;
mmio.sa1_nmicl = 1;
regs.wai = false;
} else if(!regs.p.i) {
if(mmio.timer_irqen && !mmio.timer_irqcl) {
status.interrupt_pending = true;
status.interrupt_vector = mmio.civ;
mmio.timer_irqfl = true;
regs.wai = false;
} else if(mmio.dma_irqen && !mmio.dma_irqcl) {
status.interrupt_pending = true;
status.interrupt_vector = mmio.civ;
mmio.dma_irqfl = true;
regs.wai = false;
} else if(mmio.sa1_irq && !mmio.sa1_irqcl) {
status.interrupt_pending = true;
status.interrupt_vector = mmio.civ;
mmio.sa1_irqfl = true;
regs.wai = false;
}
}
}
void SA1::interrupt(uint16_t vector) {
op_read(regs.pc.d);
op_io();
if(!regs.e) op_writestack(regs.pc.b);
op_writestack(regs.pc.h);
op_writestack(regs.pc.l);
op_writestack(regs.e ? (regs.p & ~0x10) : regs.p);
regs.pc.w = vector;
regs.pc.b = 0x00;
regs.p.i = 1;
regs.p.d = 0;
}
bool SA1::interrupt_pending() {
return status.interrupt_pending;
}
void SA1::tick() {
scheduler.addclocks_cop(2);
//adjust counters:
//note that internally, status counters are in clocks;
//whereas MMIO register counters are in dots (4 clocks = 1 dot)
if(mmio.hvselb == 0) {
//HV timer
status.hcounter += 2;
if(status.hcounter >= 1364) {
status.hcounter = 0;
if(++status.vcounter >= status.scanlines) status.vcounter = 0;
}
} else {
//linear timer
status.hcounter += 2;
status.vcounter += (status.hcounter >> 11);
status.hcounter &= 0x07ff;
status.vcounter &= 0x01ff;
}
//test counters for timer IRQ
switch((mmio.ven << 1) + (mmio.hen << 0)) {
case 0: break;
case 1: if(status.hcounter == (mmio.hcnt << 2)) trigger_irq(); break;
case 2: if(status.vcounter == mmio.vcnt && status.hcounter == 0) trigger_irq(); break;
case 3: if(status.vcounter == mmio.hcnt && status.hcounter == (mmio.hcnt << 2)) trigger_irq(); break;
}
}
void SA1::trigger_irq() {
mmio.timer_irqfl = true;
if(mmio.timer_irqen) mmio.timer_irqcl = 0;
}
void SA1::init() {
}
void SA1::enable() {
}
void SA1::power() {
regs.a = regs.x = regs.y = 0x0000;
regs.s = 0x01ff;
reset();
}
void SA1::reset() {
memory::vectorsp.access = 0;
memory::cc1bwram.dma = false;
for(unsigned addr = 0; addr < memory::iram.size(); addr++) {
memory::iram.write(addr, 0x00);
}
sa1bus.init();
regs.pc.d = 0x000000;
regs.x.h = 0x00;
regs.y.h = 0x00;
regs.s.h = 0x01;
regs.d = 0x0000;
regs.db = 0x00;
regs.p = 0x34;
regs.e = 1;
regs.mdr = 0x00;
regs.wai = false;
update_table();
status.interrupt_pending = false;
status.interrupt_vector = 0x0000;
status.scanlines = (system.region() == System::NTSC ? 262 : 312);
status.vcounter = 0;
status.hcounter = 0;
dma.line = 0;
//$2200 CCNT
mmio.sa1_irq = false;
mmio.sa1_rdyb = false;
mmio.sa1_resb = true;
mmio.sa1_nmi = false;
mmio.smeg = 0;
//$2201 SIE
mmio.cpu_irqen = false;
mmio.chdma_irqen = false;
//$2202 SIC
mmio.cpu_irqcl = false;
mmio.chdma_irqcl = false;
//$2203,$2204 CRV
mmio.crv = 0x0000;
//$2205,$2206 CNV
mmio.cnv = 0x0000;
//$2207,$2208 CIV
mmio.civ = 0x0000;
//$2209 SCNT
mmio.cpu_irq = false;
mmio.cpu_ivsw = false;
mmio.cpu_nvsw = false;
mmio.cmeg = 0;
//$220a CIE
mmio.sa1_irqen = false;
mmio.timer_irqen = false;
mmio.dma_irqen = false;
mmio.sa1_nmien = false;
//$220b CIC
mmio.sa1_irqcl = false;
mmio.timer_irqcl = false;
mmio.dma_irqcl = false;
mmio.sa1_nmicl = false;
//$220c,$220d SNV
mmio.snv = 0x0000;
//$220e,$220f SIV
mmio.siv = 0x0000;
//$2210
mmio.hvselb = false;
mmio.ven = false;
mmio.hen = false;
//$2212,$2213 HCNT
mmio.hcnt = 0x0000;
//$2214,$2215 VCNT
mmio.vcnt = 0x0000;
//$2220-2223 CXB, DXB, EXB, FXB
mmio.cbmode = 0;
mmio.dbmode = 0;
mmio.ebmode = 0;
mmio.fbmode = 0;
mmio.cb = 0x00;
mmio.db = 0x01;
mmio.eb = 0x02;
mmio.fb = 0x03;
//$2224 BMAPS
mmio.sbm = 0x00;
//$2225 BMAP
mmio.sw46 = false;
mmio.cbm = 0x00;
//$2226 SWBE
mmio.swen = false;
//$2227 CWBE
mmio.cwen = false;
//$2228 BWPA
mmio.bwp = 0x0f;
//$2229 SIWP
mmio.siwp = 0x00;
//$222a CIWP
mmio.ciwp = 0x00;
//$2230 DCNT
mmio.dmaen = false;
mmio.dprio = false;
mmio.cden = false;
mmio.cdsel = false;
mmio.dd = 0;
mmio.sd = 0;
//$2231 CDMA
mmio.chdend = false;
mmio.dmasize = 0;
mmio.dmacb = 0;
//$2232-$2234 SDA
mmio.dsa = 0x000000;
//$2235-$2237 DDA
mmio.dda = 0x000000;
//$2238,$2239 DTC
mmio.dtc = 0x0000;
//$223f BBF
mmio.bbf = 0;
//$2240-$224f BRF
for(unsigned i = 0; i < 16; i++) {
mmio.brf[i] = 0x00;
}
//$2250 MCNT
mmio.acm = 0;
mmio.md = 0;
//$2251,$2252 MA
mmio.ma = 0x0000;
//$2253,$2254 MB
mmio.mb = 0x0000;
//$2258 VBD
mmio.hl = false;
mmio.vb = 16;
//$2259-$225b
mmio.va = 0x000000;
mmio.vbit = 0;
//$2300 SFR
mmio.cpu_irqfl = false;
mmio.chdma_irqfl = false;
//$2301 CFR
mmio.sa1_irqfl = false;
mmio.timer_irqfl = false;
mmio.dma_irqfl = false;
mmio.sa1_nmifl = false;
//$2302,$2303 HCR
mmio.hcr = 0x0000;
//$2304,$2305 VCR
mmio.vcr = 0x0000;
//$2306-$230a MR
mmio.mr = 0;
//$230b
mmio.overflow = false;
}
SA1::SA1() {
}
};

35
tools/bsnes/chip/sa1/sa1.hpp Executable file
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#include "bus/bus.hpp"
class SA1 : public CPUcore, public MMIO {
public:
#include "dma/dma.hpp"
#include "memory/memory.hpp"
#include "mmio/mmio.hpp"
struct Status {
bool interrupt_pending;
uint16_t interrupt_vector;
uint16_t scanlines;
uint16_t vcounter;
uint16_t hcounter;
} status;
void enter();
void interrupt(uint16_t vector);
void tick();
alwaysinline void trigger_irq();
alwaysinline void last_cycle();
alwaysinline bool interrupt_pending();
void init();
void enable();
void power();
void reset();
SA1();
};
extern SA1 sa1;
extern SA1Bus sa1bus;

66
tools/bsnes/chip/sgb/sgb.cpp Executable file
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#include <../base.hpp>
#define SGB_CPP
namespace SNES {
SuperGameBoy sgb;
void SuperGameBoy::enter() {
while(true) {
if(sgb_run) {
unsigned samples = sgb_run(samplebuffer, 16);
scheduler.addclocks_cop(samples * 10);
scheduler.sync_copcpu();
} else {
scheduler.addclocks_cop(64 * 1024 * 1024);
scheduler.sync_copcpu();
}
}
}
uint8_t SuperGameBoy::read(unsigned addr) {
addr &= 0xffff;
if(sgb_read) return sgb_read(addr);
return 0x00;
}
void SuperGameBoy::write(unsigned addr, uint8_t data) {
addr &= 0xffff;
if(sgb_write) return sgb_write(addr, data);
}
void SuperGameBoy::init() {
if(libsgb.open("SuperGameBoy")) {
sgb_init = libsgb.sym("sgb_init");
sgb_term = libsgb.sym("sgb_term");
sgb_power = libsgb.sym("sgb_power");
sgb_reset = libsgb.sym("sgb_reset");
sgb_read = libsgb.sym("sgb_read");
sgb_write = libsgb.sym("sgb_write");
sgb_run = libsgb.sym("sgb_run");
}
}
void SuperGameBoy::enable() {
}
void SuperGameBoy::power() {
bus.map(Bus::MapDirect, 0x00, 0x3f, 0x6000, 0x7fff, *this);
bus.map(Bus::MapDirect, 0x80, 0xbf, 0x6000, 0x7fff, *this);
if(sgb_init) {
sgb_init(SGB2,
memory::gbrom.data(), memory::gbrom.size(),
memory::gbram.data(), memory::gbram.size()
);
}
if(sgb_power) sgb_power();
}
void SuperGameBoy::reset() {
if(sgb_reset) sgb_reset();
}
};

28
tools/bsnes/chip/sgb/sgb.hpp Executable file
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class SuperGameBoy : public Memory {
public:
void enter();
uint8_t read(unsigned addr);
void write(unsigned addr, uint8_t data);
void init();
void enable();
void power();
void reset();
private:
library libsgb;
uint32_t samplebuffer[4096];
enum { SGB1 = 0, SGB2 = 1 };
function<bool (bool, uint8_t*, unsigned, uint8_t*, unsigned)> sgb_init;
function<void ()> sgb_term;
function<void ()> sgb_power;
function<void ()> sgb_reset;
function<uint8_t (unsigned)> sgb_read;
function<void (unsigned, uint8_t)> sgb_write;
function<unsigned (uint32_t*, unsigned)> sgb_run;
};
extern SuperGameBoy sgb;

3
tools/bsnes/cpu/core/bpp.sh Executable file
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clear
bpp opcode_functions.cpp opcode_functions.bpp
bpp opcode_headers.hpp opcode_headers.bpp

51
tools/bsnes/cpu/core/core.cpp Executable file
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#include <../base.hpp>
#define CPUCORE_CPP
namespace SNES {
#include "opcode_algorithms.cpp"
#include "opcode_functions.cpp"
#include "opcode_tables.cpp"
#include "disasm/disasm.cpp"
//immediate, 2-cycle opcodes with I/O cycle will become bus read
//when an IRQ is to be triggered immediately after opcode completion.
//this affects the following opcodes:
// clc, cld, cli, clv, sec, sed, sei,
// tax, tay, txa, txy, tya, tyx,
// tcd, tcs, tdc, tsc, tsx, txs,
// inc, inx, iny, dec, dex, dey,
// asl, lsr, rol, ror, nop, xce.
alwaysinline void CPUcore::op_io_irq() {
if(interrupt_pending()) {
//modify I/O cycle to bus read cycle, do not increment PC
op_read(regs.pc.d);
} else {
op_io();
}
}
alwaysinline void CPUcore::op_io_cond2() {
if(regs.d.l != 0x00) {
op_io();
}
}
alwaysinline void CPUcore::op_io_cond4(uint16 x, uint16 y) {
if(!regs.p.x || (x & 0xff00) != (y & 0xff00)) {
op_io();
}
}
alwaysinline void CPUcore::op_io_cond6(uint16 addr) {
if(regs.e && (regs.pc.w & 0xff00) != (addr & 0xff00)) {
op_io();
}
}
CPUcore::CPUcore() {
initialize_opcode_table();
}
};

79
tools/bsnes/cpu/core/core.hpp Executable file
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class CPUcore {
public:
#include "registers.hpp"
#include "memory.hpp"
#include "opcode_headers.hpp"
#include "disasm/disasm.hpp"
regs_t regs;
reg24_t aa, rd;
uint8_t sp, dp;
virtual void op_io() = 0;
virtual uint8_t op_read(uint32_t addr) = 0;
virtual void op_write(uint32_t addr, uint8_t data) = 0;
virtual void last_cycle() = 0;
virtual bool interrupt_pending() = 0;
void op_io_irq();
void op_io_cond2();
void op_io_cond4(uint16 x, uint16 y);
void op_io_cond6(uint16 addr);
void op_adc_b();
void op_adc_w();
void op_and_b();
void op_and_w();
void op_bit_b();
void op_bit_w();
void op_cmp_b();
void op_cmp_w();
void op_cpx_b();
void op_cpx_w();
void op_cpy_b();
void op_cpy_w();
void op_eor_b();
void op_eor_w();
void op_lda_b();
void op_lda_w();
void op_ldx_b();
void op_ldx_w();
void op_ldy_b();
void op_ldy_w();
void op_ora_b();
void op_ora_w();
void op_sbc_b();
void op_sbc_w();
void op_inc_b();
void op_inc_w();
void op_dec_b();
void op_dec_w();
void op_asl_b();
void op_asl_w();
void op_lsr_b();
void op_lsr_w();
void op_rol_b();
void op_rol_w();
void op_ror_b();
void op_ror_w();
void op_trb_b();
void op_trb_w();
void op_tsb_b();
void op_tsb_w();
void (CPUcore::**opcode_table)();
void (CPUcore::*op_table[256 * 5])();
void initialize_opcode_table();
void update_table();
enum {
table_EM = 0, // 8-bit accumulator, 8-bit index (emulation mode)
table_MX = 256, // 8-bit accumulator, 8-bit index
table_Mx = 512, // 8-bit accumulator, 16-bit index
table_mX = 768, //16-bit accumulator, 8-bit index
table_mx = 1024, //16-bit accumulator, 16-bit index
};
CPUcore();
};

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uint8 CPUcore::dreadb(uint32 addr) {
if((addr & 0x40ffff) >= 0x2000 && (addr & 0x40ffff) <= 0x5fff) {
//$[00-3f|80-bf]:[2000-5fff]
//do not read MMIO registers within debugger
return 0x00;
}
return bus.read(addr);
}
uint16 CPUcore::dreadw(uint32 addr) {
uint16 r;
r = dreadb((addr + 0) & 0xffffff) << 0;
r |= dreadb((addr + 1) & 0xffffff) << 8;
return r;
}
uint32 CPUcore::dreadl(uint32 addr) {
uint32 r;
r = dreadb((addr + 0) & 0xffffff) << 0;
r |= dreadb((addr + 1) & 0xffffff) << 8;
r |= dreadb((addr + 2) & 0xffffff) << 16;
return r;
}
uint32 CPUcore::decode(uint8 offset_type, uint32 addr) {
uint32 r = 0;
switch(offset_type) {
case OPTYPE_DP:
r = (regs.d + (addr & 0xffff)) & 0xffff;
break;
case OPTYPE_DPX:
r = (regs.d + regs.x + (addr & 0xffff)) & 0xffff;
break;
case OPTYPE_DPY:
r = (regs.d + regs.y + (addr & 0xffff)) & 0xffff;
break;
case OPTYPE_IDP:
addr = (regs.d + (addr & 0xffff)) & 0xffff;
r = (regs.db << 16) + dreadw(addr);
break;
case OPTYPE_IDPX:
addr = (regs.d + regs.x + (addr & 0xffff)) & 0xffff;
r = (regs.db << 16) + dreadw(addr);
break;
case OPTYPE_IDPY:
addr = (regs.d + (addr & 0xffff)) & 0xffff;
r = (regs.db << 16) + dreadw(addr) + regs.y;
break;
case OPTYPE_ILDP:
addr = (regs.d + (addr & 0xffff)) & 0xffff;
r = dreadl(addr);
break;
case OPTYPE_ILDPY:
addr = (regs.d + (addr & 0xffff)) & 0xffff;
r = dreadl(addr) + regs.y;
break;
case OPTYPE_ADDR:
r = (regs.db << 16) + (addr & 0xffff);
break;
case OPTYPE_ADDR_PC:
r = (regs.pc.b << 16) + (addr & 0xffff);
break;
case OPTYPE_ADDRX:
r = (regs.db << 16) + (addr & 0xffff) + regs.x;
break;
case OPTYPE_ADDRY:
r = (regs.db << 16) + (addr & 0xffff) + regs.y;
break;
case OPTYPE_IADDR_PC:
r = (regs.pc.b << 16) + (addr & 0xffff);
break;
case OPTYPE_IADDRX:
r = (regs.pc.b << 16) + ((addr + regs.x) & 0xffff);
break;
case OPTYPE_ILADDR:
r = addr;
break;
case OPTYPE_LONG:
r = addr;
break;
case OPTYPE_LONGX:
r = (addr + regs.x);
break;
case OPTYPE_SR:
r = (regs.s + (addr & 0xff)) & 0xffff;
break;
case OPTYPE_ISRY:
addr = (regs.s + (addr & 0xff)) & 0xffff;
r = (regs.db << 16) + dreadw(addr) + regs.y;
break;
case OPTYPE_RELB:
r = (regs.pc.b << 16) + ((regs.pc.w + 2) & 0xffff);
r += int8(addr);
break;
case OPTYPE_RELW:
r = (regs.pc.b << 16) + ((regs.pc.w + 3) & 0xffff);
r += int16(addr);
break;
}
return(r & 0xffffff);
}
void CPUcore::disassemble_opcode(char *output) {
static reg24_t pc;
char t[256];
char *s = output;
if(false /* in_opcode() == true */) {
strcpy(s, "?????? <CPU within opcode>");
return;
}
pc.d = regs.pc.d;
sprintf(s, "%.6x ", (uint32)pc.d);
uint8 op = dreadb(pc.d); pc.w++;
uint8 op0 = dreadb(pc.d); pc.w++;
uint8 op1 = dreadb(pc.d); pc.w++;
uint8 op2 = dreadb(pc.d);
#define op8 ((op0))
#define op16 ((op0) | (op1 << 8))
#define op24 ((op0) | (op1 << 8) | (op2 << 16))
#define a8 (regs.e || regs.p.m)
#define x8 (regs.e || regs.p.x)
switch(op) {
case 0x00: sprintf(t, "brk #$%.2x ", op8); break;
case 0x01: sprintf(t, "ora ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0x02: sprintf(t, "cop #$%.2x ", op8); break;
case 0x03: sprintf(t, "ora $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0x04: sprintf(t, "tsb $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x05: sprintf(t, "ora $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x06: sprintf(t, "asl $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x07: sprintf(t, "ora [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0x08: sprintf(t, "php "); break;
case 0x09: if(a8)sprintf(t, "ora #$%.2x ", op8);
else sprintf(t, "ora #$%.4x ", op16); break;
case 0x0a: sprintf(t, "asl a "); break;
case 0x0b: sprintf(t, "phd "); break;
case 0x0c: sprintf(t, "tsb $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x0d: sprintf(t, "ora $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x0e: sprintf(t, "asl $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x0f: sprintf(t, "ora $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x10: sprintf(t, "bpl $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0x11: sprintf(t, "ora ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0x12: sprintf(t, "ora ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0x13: sprintf(t, "ora ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0x14: sprintf(t, "trb $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x15: sprintf(t, "ora $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x16: sprintf(t, "asl $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x17: sprintf(t, "ora [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0x18: sprintf(t, "clc "); break;
case 0x19: sprintf(t, "ora $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0x1a: sprintf(t, "inc "); break;
case 0x1b: sprintf(t, "tcs "); break;
case 0x1c: sprintf(t, "trb $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x1d: sprintf(t, "ora $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x1e: sprintf(t, "asl $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x1f: sprintf(t, "ora $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0x20: sprintf(t, "jsr $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR_PC, op16)); break;
case 0x21: sprintf(t, "and ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0x22: sprintf(t, "jsl $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x23: sprintf(t, "and $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0x24: sprintf(t, "bit $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x25: sprintf(t, "and $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x26: sprintf(t, "rol $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x27: sprintf(t, "and [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0x28: sprintf(t, "plp "); break;
case 0x29: if(a8)sprintf(t, "and #$%.2x ", op8);
else sprintf(t, "and #$%.4x ", op16); break;
case 0x2a: sprintf(t, "rol a "); break;
case 0x2b: sprintf(t, "pld "); break;
case 0x2c: sprintf(t, "bit $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x2d: sprintf(t, "and $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x2e: sprintf(t, "rol $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x2f: sprintf(t, "and $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x30: sprintf(t, "bmi $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0x31: sprintf(t, "and ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0x32: sprintf(t, "and ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0x33: sprintf(t, "and ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0x34: sprintf(t, "bit $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x35: sprintf(t, "and $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x36: sprintf(t, "rol $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x37: sprintf(t, "and [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0x38: sprintf(t, "sec "); break;
case 0x39: sprintf(t, "and $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0x3a: sprintf(t, "dec "); break;
case 0x3b: sprintf(t, "tsc "); break;
case 0x3c: sprintf(t, "bit $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x3d: sprintf(t, "and $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x3e: sprintf(t, "rol $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x3f: sprintf(t, "and $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0x40: sprintf(t, "rti "); break;
case 0x41: sprintf(t, "eor ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0x42: sprintf(t, "wdm "); break;
case 0x43: sprintf(t, "eor $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0x44: sprintf(t, "mvp $%.2x,$%.2x ", op1, op8); break;
case 0x45: sprintf(t, "eor $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x46: sprintf(t, "lsr $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x47: sprintf(t, "eor [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0x48: sprintf(t, "pha "); break;
case 0x49: if(a8)sprintf(t, "eor #$%.2x ", op8);
else sprintf(t, "eor #$%.4x ", op16); break;
case 0x4a: sprintf(t, "lsr a "); break;
case 0x4b: sprintf(t, "phk "); break;
case 0x4c: sprintf(t, "jmp $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR_PC, op16)); break;
case 0x4d: sprintf(t, "eor $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x4e: sprintf(t, "lsr $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x4f: sprintf(t, "eor $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x50: sprintf(t, "bvc $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0x51: sprintf(t, "eor ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0x52: sprintf(t, "eor ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0x53: sprintf(t, "eor ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0x54: sprintf(t, "mvn $%.2x,$%.2x ", op1, op8); break;
case 0x55: sprintf(t, "eor $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x56: sprintf(t, "lsr $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x57: sprintf(t, "eor [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0x58: sprintf(t, "cli "); break;
case 0x59: sprintf(t, "eor $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0x5a: sprintf(t, "phy "); break;
case 0x5b: sprintf(t, "tcd "); break;
case 0x5c: sprintf(t, "jml $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x5d: sprintf(t, "eor $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x5e: sprintf(t, "lsr $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x5f: sprintf(t, "eor $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0x60: sprintf(t, "rts "); break;
case 0x61: sprintf(t, "adc ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0x62: sprintf(t, "per $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x63: sprintf(t, "adc $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0x64: sprintf(t, "stz $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x65: sprintf(t, "adc $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x66: sprintf(t, "ror $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x67: sprintf(t, "adc [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0x68: sprintf(t, "pla "); break;
case 0x69: if(a8)sprintf(t, "adc #$%.2x ", op8);
else sprintf(t, "adc #$%.4x ", op16); break;
case 0x6a: sprintf(t, "ror a "); break;
case 0x6b: sprintf(t, "rtl "); break;
case 0x6c: sprintf(t, "jmp ($%.4x) [$%.6x]", op16, decode(OPTYPE_IADDR_PC, op16)); break;
case 0x6d: sprintf(t, "adc $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x6e: sprintf(t, "ror $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x6f: sprintf(t, "adc $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x70: sprintf(t, "bvs $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0x71: sprintf(t, "adc ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0x72: sprintf(t, "adc ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0x73: sprintf(t, "adc ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0x74: sprintf(t, "stz $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x75: sprintf(t, "adc $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x76: sprintf(t, "ror $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x77: sprintf(t, "adc [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0x78: sprintf(t, "sei "); break;
case 0x79: sprintf(t, "adc $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0x7a: sprintf(t, "ply "); break;
case 0x7b: sprintf(t, "tdc "); break;
case 0x7c: sprintf(t, "jmp ($%.4x,x) [$%.6x]", op16, decode(OPTYPE_IADDRX, op16)); break;
case 0x7d: sprintf(t, "adc $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x7e: sprintf(t, "ror $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x7f: sprintf(t, "adc $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0x80: sprintf(t, "bra $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0x81: sprintf(t, "sta ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0x82: sprintf(t, "brl $%.4x [$%.6x]", uint16(decode(OPTYPE_RELW, op16)), decode(OPTYPE_RELW, op16)); break;
case 0x83: sprintf(t, "sta $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0x84: sprintf(t, "sty $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x85: sprintf(t, "sta $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x86: sprintf(t, "stx $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0x87: sprintf(t, "sta [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0x88: sprintf(t, "dey "); break;
case 0x89: if(a8)sprintf(t, "bit #$%.2x ", op8);
else sprintf(t, "bit #$%.4x ", op16); break;
case 0x8a: sprintf(t, "txa "); break;
case 0x8b: sprintf(t, "phb "); break;
case 0x8c: sprintf(t, "sty $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x8d: sprintf(t, "sta $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x8e: sprintf(t, "stx $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x8f: sprintf(t, "sta $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0x90: sprintf(t, "bcc $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0x91: sprintf(t, "sta ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0x92: sprintf(t, "sta ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0x93: sprintf(t, "sta ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0x94: sprintf(t, "sty $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x95: sprintf(t, "sta $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0x96: sprintf(t, "stx $%.2x,y [$%.6x]", op8, decode(OPTYPE_DPY, op8)); break;
case 0x97: sprintf(t, "sta [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0x98: sprintf(t, "tya "); break;
case 0x99: sprintf(t, "sta $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0x9a: sprintf(t, "txs "); break;
case 0x9b: sprintf(t, "txy "); break;
case 0x9c: sprintf(t, "stz $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0x9d: sprintf(t, "sta $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x9e: sprintf(t, "stz $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0x9f: sprintf(t, "sta $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0xa0: if(x8)sprintf(t, "ldy #$%.2x ", op8);
else sprintf(t, "ldy #$%.4x ", op16); break;
case 0xa1: sprintf(t, "lda ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0xa2: if(x8)sprintf(t, "ldx #$%.2x ", op8);
else sprintf(t, "ldx #$%.4x ", op16); break;
case 0xa3: sprintf(t, "lda $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0xa4: sprintf(t, "ldy $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xa5: sprintf(t, "lda $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xa6: sprintf(t, "ldx $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xa7: sprintf(t, "lda [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0xa8: sprintf(t, "tay "); break;
case 0xa9: if(a8)sprintf(t, "lda #$%.2x ", op8);
else sprintf(t, "lda #$%.4x ", op16); break;
case 0xaa: sprintf(t, "tax "); break;
case 0xab: sprintf(t, "plb "); break;
case 0xac: sprintf(t, "ldy $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xad: sprintf(t, "lda $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xae: sprintf(t, "ldx $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xaf: sprintf(t, "lda $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0xb0: sprintf(t, "bcs $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0xb1: sprintf(t, "lda ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0xb2: sprintf(t, "lda ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0xb3: sprintf(t, "lda ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0xb4: sprintf(t, "ldy $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0xb5: sprintf(t, "lda $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0xb6: sprintf(t, "ldx $%.2x,y [$%.6x]", op8, decode(OPTYPE_DPY, op8)); break;
case 0xb7: sprintf(t, "lda [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0xb8: sprintf(t, "clv "); break;
case 0xb9: sprintf(t, "lda $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0xba: sprintf(t, "tsx "); break;
case 0xbb: sprintf(t, "tyx "); break;
case 0xbc: sprintf(t, "ldy $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0xbd: sprintf(t, "lda $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0xbe: sprintf(t, "ldx $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0xbf: sprintf(t, "lda $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0xc0: if(x8)sprintf(t, "cpy #$%.2x ", op8);
else sprintf(t, "cpy #$%.4x ", op16); break;
case 0xc1: sprintf(t, "cmp ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0xc2: sprintf(t, "rep #$%.2x ", op8); break;
case 0xc3: sprintf(t, "cmp $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0xc4: sprintf(t, "cpy $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xc5: sprintf(t, "cmp $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xc6: sprintf(t, "dec $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xc7: sprintf(t, "cmp [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0xc8: sprintf(t, "iny "); break;
case 0xc9: if(a8)sprintf(t, "cmp #$%.2x ", op8);
else sprintf(t, "cmp #$%.4x ", op16); break;
case 0xca: sprintf(t, "dex "); break;
case 0xcb: sprintf(t, "wai "); break;
case 0xcc: sprintf(t, "cpy $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xcd: sprintf(t, "cmp $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xce: sprintf(t, "dec $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xcf: sprintf(t, "cmp $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0xd0: sprintf(t, "bne $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0xd1: sprintf(t, "cmp ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0xd2: sprintf(t, "cmp ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0xd3: sprintf(t, "cmp ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0xd4: sprintf(t, "pei ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0xd5: sprintf(t, "cmp $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0xd6: sprintf(t, "dec $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0xd7: sprintf(t, "cmp [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0xd8: sprintf(t, "cld "); break;
case 0xd9: sprintf(t, "cmp $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0xda: sprintf(t, "phx "); break;
case 0xdb: sprintf(t, "stp "); break;
case 0xdc: sprintf(t, "jmp [$%.4x] [$%.6x]", op16, decode(OPTYPE_ILADDR, op16)); break;
case 0xdd: sprintf(t, "cmp $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0xde: sprintf(t, "dec $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0xdf: sprintf(t, "cmp $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
case 0xe0: if(x8)sprintf(t, "cpx #$%.2x ", op8);
else sprintf(t, "cpx #$%.4x ", op16); break;
case 0xe1: sprintf(t, "sbc ($%.2x,x) [$%.6x]", op8, decode(OPTYPE_IDPX, op8)); break;
case 0xe2: sprintf(t, "sep #$%.2x ", op8); break;
case 0xe3: sprintf(t, "sbc $%.2x,s [$%.6x]", op8, decode(OPTYPE_SR, op8)); break;
case 0xe4: sprintf(t, "cpx $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xe5: sprintf(t, "sbc $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xe6: sprintf(t, "inc $%.2x [$%.6x]", op8, decode(OPTYPE_DP, op8)); break;
case 0xe7: sprintf(t, "sbc [$%.2x] [$%.6x]", op8, decode(OPTYPE_ILDP, op8)); break;
case 0xe8: sprintf(t, "inx "); break;
case 0xe9: if(a8)sprintf(t, "sbc #$%.2x ", op8);
else sprintf(t, "sbc #$%.4x ", op16); break;
case 0xea: sprintf(t, "nop "); break;
case 0xeb: sprintf(t, "xba "); break;
case 0xec: sprintf(t, "cpx $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xed: sprintf(t, "sbc $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xee: sprintf(t, "inc $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xef: sprintf(t, "sbc $%.6x [$%.6x]", op24, decode(OPTYPE_LONG, op24)); break;
case 0xf0: sprintf(t, "beq $%.4x [$%.6x]", uint16(decode(OPTYPE_RELB, op8)), decode(OPTYPE_RELB, op8)); break;
case 0xf1: sprintf(t, "sbc ($%.2x),y [$%.6x]", op8, decode(OPTYPE_IDPY, op8)); break;
case 0xf2: sprintf(t, "sbc ($%.2x) [$%.6x]", op8, decode(OPTYPE_IDP, op8)); break;
case 0xf3: sprintf(t, "sbc ($%.2x,s),y [$%.6x]", op8, decode(OPTYPE_ISRY, op8)); break;
case 0xf4: sprintf(t, "pea $%.4x [$%.6x]", op16, decode(OPTYPE_ADDR, op16)); break;
case 0xf5: sprintf(t, "sbc $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0xf6: sprintf(t, "inc $%.2x,x [$%.6x]", op8, decode(OPTYPE_DPX, op8)); break;
case 0xf7: sprintf(t, "sbc [$%.2x],y [$%.6x]", op8, decode(OPTYPE_ILDPY, op8)); break;
case 0xf8: sprintf(t, "sed "); break;
case 0xf9: sprintf(t, "sbc $%.4x,y [$%.6x]", op16, decode(OPTYPE_ADDRY, op16)); break;
case 0xfa: sprintf(t, "plx "); break;
case 0xfb: sprintf(t, "xce "); break;
case 0xfc: sprintf(t, "jsr ($%.4x,x) [$%.6x]", op16, decode(OPTYPE_IADDRX, op16)); break;
case 0xfd: sprintf(t, "sbc $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0xfe: sprintf(t, "inc $%.4x,x [$%.6x]", op16, decode(OPTYPE_ADDRX, op16)); break;
case 0xff: sprintf(t, "sbc $%.6x,x [$%.6x]", op24, decode(OPTYPE_LONGX, op24)); break;
}
#undef op8
#undef op16
#undef op24
#undef a8
#undef x8
strcat(s, t);
strcat(s, " ");
sprintf(t, "A:%.4x X:%.4x Y:%.4x S:%.4x D:%.4x DB:%.2x ",
regs.a.w, regs.x.w, regs.y.w, regs.s.w, regs.d.w, regs.db);
strcat(s, t);
if(regs.e) {
sprintf(t, "%c%c%c%c%c%c%c%c",
regs.p.n ? 'N' : 'n', regs.p.v ? 'V' : 'v',
regs.p.m ? '1' : '0', regs.p.x ? 'B' : 'b',
regs.p.d ? 'D' : 'd', regs.p.i ? 'I' : 'i',
regs.p.z ? 'Z' : 'z', regs.p.c ? 'C' : 'c');
} else {
sprintf(t, "%c%c%c%c%c%c%c%c",
regs.p.n ? 'N' : 'n', regs.p.v ? 'V' : 'v',
regs.p.m ? 'M' : 'm', regs.p.x ? 'X' : 'x',
regs.p.d ? 'D' : 'd', regs.p.i ? 'I' : 'i',
regs.p.z ? 'Z' : 'z', regs.p.c ? 'C' : 'c');
}
strcat(s, t);
strcat(s, " ");
sprintf(t, "V:%3d H:%4d", ppu.vcounter(), ppu.hcounter());
strcat(s, t);
}
//opcode_length() retrieves the length of the next opcode
//to be executed. It is used by the debugger to step over,
//disable and proceed cpu opcodes.
//
//5 and 6 are special cases, 5 is used for #consts based on
//the A register size, 6 for the X/Y register size. the
//rest are literal sizes. There's no need to test for
//emulation mode, as regs.p.m/regs.p.x should *always* be
//set in emulation mode.
uint8 CPUcore::opcode_length() {
uint8 op, len;
static uint8 op_len_tbl[256] = {
//0,1,2,3, 4,5,6,7, 8,9,a,b, c,d,e,f
2,2,2,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0x0n
2,2,2,2, 2,2,2,2, 1,3,1,1, 3,3,3,4, //0x1n
3,2,4,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0x2n
2,2,2,2, 2,2,2,2, 1,3,1,1, 3,3,3,4, //0x3n
1,2,2,2, 3,2,2,2, 1,5,1,1, 3,3,3,4, //0x4n
2,2,2,2, 3,2,2,2, 1,3,1,1, 4,3,3,4, //0x5n
1,2,3,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0x6n
2,2,2,2, 2,2,2,2, 1,3,1,1, 3,3,3,4, //0x7n
2,2,3,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0x8n
2,2,2,2, 2,2,2,2, 1,3,1,1, 3,3,3,4, //0x9n
6,2,6,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0xan
2,2,2,2, 2,2,2,2, 1,3,1,1, 3,3,3,4, //0xbn
6,2,2,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0xcn
2,2,2,2, 2,2,2,2, 1,3,1,1, 3,3,3,4, //0xdn
6,2,2,2, 2,2,2,2, 1,5,1,1, 3,3,3,4, //0xen
2,2,2,2, 3,2,2,2, 1,3,1,1, 3,3,3,4 //0xfn
};
if(false /* in_opcode() == true */) {
return 0;
}
op = dreadb(regs.pc.d);
len = op_len_tbl[op];
if(len == 5) return (regs.e || regs.p.m) ? 2 : 3;
if(len == 6) return (regs.e || regs.p.x) ? 2 : 3;
return len;
}

View File

@ -0,0 +1,30 @@
enum {
OPTYPE_DP = 0, //dp
OPTYPE_DPX, //dp,x
OPTYPE_DPY, //dp,y
OPTYPE_IDP, //(dp)
OPTYPE_IDPX, //(dp,x)
OPTYPE_IDPY, //(dp),y
OPTYPE_ILDP, //[dp]
OPTYPE_ILDPY, //[dp],y
OPTYPE_ADDR, //addr
OPTYPE_ADDRX, //addr,x
OPTYPE_ADDRY, //addr,y
OPTYPE_IADDRX, //(addr,x)
OPTYPE_ILADDR, //[addr]
OPTYPE_LONG, //long
OPTYPE_LONGX, //long, x
OPTYPE_SR, //sr,s
OPTYPE_ISRY, //(sr,s),y
OPTYPE_ADDR_PC, //pbr:addr
OPTYPE_IADDR_PC, //pbr:(addr)
OPTYPE_RELB, //relb
OPTYPE_RELW, //relw
};
void disassemble_opcode(char *output);
uint8 dreadb(uint32 addr);
uint16 dreadw(uint32 addr);
uint32 dreadl(uint32 addr);
uint32 decode(uint8 offset_type, uint32 addr);
uint8 opcode_length();

77
tools/bsnes/cpu/core/memory.hpp Executable file
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@ -0,0 +1,77 @@
alwaysinline uint8_t op_readpc() {
return op_read((regs.pc.b << 16) + regs.pc.w++);
}
alwaysinline uint8_t op_readstack() {
regs.e ? regs.s.l++ : regs.s.w++;
return op_read(regs.s.w);
}
alwaysinline uint8_t op_readstackn() {
return op_read(++regs.s.w);
}
alwaysinline uint8_t op_readaddr(uint32_t addr) {
return op_read(addr & 0xffff);
}
alwaysinline uint8_t op_readlong(uint32_t addr) {
return op_read(addr & 0xffffff);
}
alwaysinline uint8_t op_readdbr(uint32_t addr) {
return op_read(((regs.db << 16) + addr) & 0xffffff);
}
alwaysinline uint8_t op_readpbr(uint32_t addr) {
return op_read((regs.pc.b << 16) + (addr & 0xffff));
}
alwaysinline uint8_t op_readdp(uint32_t addr) {
if(regs.e && regs.d.l == 0x00) {
return op_read((regs.d & 0xff00) + ((regs.d + (addr & 0xffff)) & 0xff));
} else {
return op_read((regs.d + (addr & 0xffff)) & 0xffff);
}
}
alwaysinline uint8_t op_readsp(uint32_t addr) {
return op_read((regs.s + (addr & 0xffff)) & 0xffff);
}
alwaysinline void op_writestack(uint8_t data) {
op_write(regs.s.w, data);
regs.e ? regs.s.l-- : regs.s.w--;
}
alwaysinline void op_writestackn(uint8_t data) {
op_write(regs.s.w--, data);
}
alwaysinline void op_writeaddr(uint32_t addr, uint8_t data) {
op_write(addr & 0xffff, data);
}
alwaysinline void op_writelong(uint32_t addr, uint8_t data) {
op_write(addr & 0xffffff, data);
}
alwaysinline void op_writedbr(uint32_t addr, uint8_t data) {
op_write(((regs.db << 16) + addr) & 0xffffff, data);
}
alwaysinline void op_writepbr(uint32_t addr, uint8_t data) {
op_write((regs.pc.b << 16) + (addr & 0xffff), data);
}
alwaysinline void op_writedp(uint32_t addr, uint8_t data) {
if(regs.e && regs.d.l == 0x00) {
op_write((regs.d & 0xff00) + ((regs.d + (addr & 0xffff)) & 0xff), data);
} else {
op_write((regs.d + (addr & 0xffff)) & 0xffff, data);
}
}
alwaysinline void op_writesp(uint32_t addr, uint8_t data) {
op_write((regs.s + (addr & 0xffff)) & 0xffff, data);
}

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#ifdef CPUCORE_CPP
inline void CPUcore::op_adc_b() {
int r;
if(regs.p.d) {
uint8 n0 = (regs.a.l ) & 15;
uint8 n1 = (regs.a.l >> 4) & 15;
n0 += (rd.l & 15) + regs.p.c;
if(n0 > 9) {
n0 = (n0 - 10) & 15;
n1++;
}
n1 += ((rd.l >> 4) & 15);
if(n1 > 9) {
n1 = (n1 - 10) & 15;
regs.p.c = 1;
} else {
regs.p.c = 0;
}
r = (n1 << 4) | n0;
} else {
r = regs.a.l + rd.l + regs.p.c;
regs.p.c = r > 0xff;
}
regs.p.n = r & 0x80;
regs.p.v = ~(regs.a.l ^ rd.l) & (regs.a.l ^ r) & 0x80;
regs.p.z = (uint8)r == 0;
regs.a.l = r;
}
inline void CPUcore::op_adc_w() {
int r;
if(regs.p.d) {
uint8 n0 = (regs.a.w ) & 15;
uint8 n1 = (regs.a.w >> 4) & 15;
uint8 n2 = (regs.a.w >> 8) & 15;
uint8 n3 = (regs.a.w >> 12) & 15;
n0 += (rd.w & 15) + regs.p.c;
if(n0 > 9) {
n0 = (n0 - 10) & 15;
n1++;
}
n1 += ((rd.w >> 4) & 15);
if(n1 > 9) {
n1 = (n1 - 10) & 15;
n2++;
}
n2 += ((rd.w >> 8) & 15);
if(n2 > 9) {
n2 = (n2 - 10) & 15;
n3++;
}
n3 += ((rd.w >> 12) & 15);
if(n3 > 9) {
n3 = (n3 - 10) & 15;
regs.p.c = 1;
} else {
regs.p.c = 0;
}
r = (n3 << 12) | (n2 << 8) | (n1 << 4) | n0;
} else {
r = regs.a.w + rd.w + regs.p.c;
regs.p.c = r > 0xffff;
}
regs.p.n = r & 0x8000;
regs.p.v = ~(regs.a.w ^ rd.w) & (regs.a.w ^ r) & 0x8000;
regs.p.z = (uint16)r == 0;
regs.a.w = r;
}
inline void CPUcore::op_and_b() {
regs.a.l &= rd.l;
regs.p.n = regs.a.l & 0x80;
regs.p.z = regs.a.l == 0;
}
inline void CPUcore::op_and_w() {
regs.a.w &= rd.w;
regs.p.n = regs.a.w & 0x8000;
regs.p.z = regs.a.w == 0;
}
inline void CPUcore::op_bit_b() {
regs.p.n = rd.l & 0x80;
regs.p.v = rd.l & 0x40;
regs.p.z = (rd.l & regs.a.l) == 0;
}
inline void CPUcore::op_bit_w() {
regs.p.n = rd.w & 0x8000;
regs.p.v = rd.w & 0x4000;
regs.p.z = (rd.w & regs.a.w) == 0;
}
inline void CPUcore::op_cmp_b() {
int r = regs.a.l - rd.l;
regs.p.n = r & 0x80;
regs.p.z = (uint8)r == 0;
regs.p.c = r >= 0;
}
inline void CPUcore::op_cmp_w() {
int r = regs.a.w - rd.w;
regs.p.n = r & 0x8000;
regs.p.z = (uint16)r == 0;
regs.p.c = r >= 0;
}
inline void CPUcore::op_cpx_b() {
int r = regs.x.l - rd.l;
regs.p.n = r & 0x80;
regs.p.z = (uint8)r == 0;
regs.p.c = r >= 0;
}
inline void CPUcore::op_cpx_w() {
int r = regs.x.w - rd.w;
regs.p.n = r & 0x8000;
regs.p.z = (uint16)r == 0;
regs.p.c = r >= 0;
}
inline void CPUcore::op_cpy_b() {
int r = regs.y.l - rd.l;
regs.p.n = r & 0x80;
regs.p.z = (uint8)r == 0;
regs.p.c = r >= 0;
}
inline void CPUcore::op_cpy_w() {
int r = regs.y.w - rd.w;
regs.p.n = r & 0x8000;
regs.p.z = (uint16)r == 0;
regs.p.c = r >= 0;
}
inline void CPUcore::op_eor_b() {
regs.a.l ^= rd.l;
regs.p.n = regs.a.l & 0x80;
regs.p.z = regs.a.l == 0;
}
inline void CPUcore::op_eor_w() {
regs.a.w ^= rd.w;
regs.p.n = regs.a.w & 0x8000;
regs.p.z = regs.a.w == 0;
}
inline void CPUcore::op_lda_b() {
regs.a.l = rd.l;
regs.p.n = regs.a.l & 0x80;
regs.p.z = regs.a.l == 0;
}
inline void CPUcore::op_lda_w() {
regs.a.w = rd.w;
regs.p.n = regs.a.w & 0x8000;
regs.p.z = regs.a.w == 0;
}
inline void CPUcore::op_ldx_b() {
regs.x.l = rd.l;
regs.p.n = regs.x.l & 0x80;
regs.p.z = regs.x.l == 0;
}
inline void CPUcore::op_ldx_w() {
regs.x.w = rd.w;
regs.p.n = regs.x.w & 0x8000;
regs.p.z = regs.x.w == 0;
}
inline void CPUcore::op_ldy_b() {
regs.y.l = rd.l;
regs.p.n = regs.y.l & 0x80;
regs.p.z = regs.y.l == 0;
}
inline void CPUcore::op_ldy_w() {
regs.y.w = rd.w;
regs.p.n = regs.y.w & 0x8000;
regs.p.z = regs.y.w == 0;
}
inline void CPUcore::op_ora_b() {
regs.a.l |= rd.l;
regs.p.n = regs.a.l & 0x80;
regs.p.z = regs.a.l == 0;
}
inline void CPUcore::op_ora_w() {
regs.a.w |= rd.w;
regs.p.n = regs.a.w & 0x8000;
regs.p.z = regs.a.w == 0;
}
inline void CPUcore::op_sbc_b() {
int r;
if(regs.p.d) {
uint8 n0 = (regs.a.l ) & 15;
uint8 n1 = (regs.a.l >> 4) & 15;
n0 -= ((rd.l ) & 15) + !regs.p.c;
n1 -= ((rd.l >> 4) & 15);
if(n0 > 9) {
n0 += 10;
n1--;
}
if(n1 > 9) {
n1 += 10;
regs.p.c = 0;
} else {
regs.p.c = 1;
}
r = (n1 << 4) | (n0);
} else {
r = regs.a.l - rd.l - !regs.p.c;
regs.p.c = r >= 0;
}
regs.p.n = r & 0x80;
regs.p.v = (regs.a.l ^ rd.l) & (regs.a.l ^ r) & 0x80;
regs.p.z = (uint8)r == 0;
regs.a.l = r;
}
inline void CPUcore::op_sbc_w() {
int r;
if(regs.p.d) {
uint8 n0 = (regs.a.w ) & 15;
uint8 n1 = (regs.a.w >> 4) & 15;
uint8 n2 = (regs.a.w >> 8) & 15;
uint8 n3 = (regs.a.w >> 12) & 15;
n0 -= ((rd.w ) & 15) + !regs.p.c;
n1 -= ((rd.w >> 4) & 15);
n2 -= ((rd.w >> 8) & 15);
n3 -= ((rd.w >> 12) & 15);
if(n0 > 9) {
n0 += 10;
n1--;
}
if(n1 > 9) {
n1 += 10;
n2--;
}
if(n2 > 9) {
n2 += 10;
n3--;
}
if(n3 > 9) {
n3 += 10;
regs.p.c = 0;
} else {
regs.p.c = 1;
}
r = (n3 << 12) | (n2 << 8) | (n1 << 4) | (n0);
} else {
r = regs.a.w - rd.w - !regs.p.c;
regs.p.c = r >= 0;
}
regs.p.n = r & 0x8000;
regs.p.v = (regs.a.w ^ rd.w) & (regs.a.w ^ r) & 0x8000;
regs.p.z = (uint16)r == 0;
regs.a.w = r;
}
inline void CPUcore::op_inc_b() {
rd.l++;
regs.p.n = rd.l & 0x80;
regs.p.z = rd.l == 0;
}
inline void CPUcore::op_inc_w() {
rd.w++;
regs.p.n = rd.w & 0x8000;
regs.p.z = rd.w == 0;
}
inline void CPUcore::op_dec_b() {
rd.l--;
regs.p.n = rd.l & 0x80;
regs.p.z = rd.l == 0;
}
inline void CPUcore::op_dec_w() {
rd.w--;
regs.p.n = rd.w & 0x8000;
regs.p.z = rd.w == 0;
}
inline void CPUcore::op_asl_b() {
regs.p.c = rd.l & 0x80;
rd.l <<= 1;
regs.p.n = rd.l & 0x80;
regs.p.z = rd.l == 0;
}
inline void CPUcore::op_asl_w() {
regs.p.c = rd.w & 0x8000;
rd.w <<= 1;
regs.p.n = rd.w & 0x8000;
regs.p.z = rd.w == 0;
}
inline void CPUcore::op_lsr_b() {
regs.p.c = rd.l & 1;
rd.l >>= 1;
regs.p.n = rd.l & 0x80;
regs.p.z = rd.l == 0;
}
inline void CPUcore::op_lsr_w() {
regs.p.c = rd.w & 1;
rd.w >>= 1;
regs.p.n = rd.w & 0x8000;
regs.p.z = rd.w == 0;
}
inline void CPUcore::op_rol_b() {
unsigned carry = (unsigned)regs.p.c;
regs.p.c = rd.l & 0x80;
rd.l = (rd.l << 1) | carry;
regs.p.n = rd.l & 0x80;
regs.p.z = rd.l == 0;
}
inline void CPUcore::op_rol_w() {
unsigned carry = (unsigned)regs.p.c;
regs.p.c = rd.w & 0x8000;
rd.w = (rd.w << 1) | carry;
regs.p.n = rd.w & 0x8000;
regs.p.z = rd.w == 0;
}
inline void CPUcore::op_ror_b() {
unsigned carry = (unsigned)regs.p.c << 7;
regs.p.c = rd.l & 1;
rd.l = carry | (rd.l >> 1);
regs.p.n = rd.l & 0x80;
regs.p.z = rd.l == 0;
}
inline void CPUcore::op_ror_w() {
unsigned carry = (unsigned)regs.p.c << 15;
regs.p.c = rd.w & 1;
rd.w = carry | (rd.w >> 1);
regs.p.n = rd.w & 0x8000;
regs.p.z = rd.w == 0;
}
inline void CPUcore::op_trb_b() {
regs.p.z = (rd.l & regs.a.l) == 0;
rd.l &= ~regs.a.l;
}
inline void CPUcore::op_trb_w() {
regs.p.z = (rd.w & regs.a.w) == 0;
rd.w &= ~regs.a.w;
}
inline void CPUcore::op_tsb_b() {
regs.p.z = (rd.l & regs.a.l) == 0;
rd.l |= regs.a.l;
}
inline void CPUcore::op_tsb_w() {
regs.p.z = (rd.w & regs.a.w) == 0;
rd.w |= regs.a.w;
}
#endif

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//opcode_functions.cpp was generated via bpp -> opcode_functions.bpp
@global class CPUcore
@global lc last_cycle();
@global wai regs.wai
@include "opcode_read.bpp"
@include "opcode_write.bpp"
@include "opcode_rmw.bpp"
@include "opcode_pc.bpp"
@include "opcode_misc.bpp"
@include "opcode_list.bpp"

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//===============
//opcode_read.bpp
//===============
@macro op_read_const(name)
void op_{name}_const_b();
void op_{name}_const_w();
@endmacro
@macro op_read_bit_const()
void op_bit_const_b();
void op_bit_const_w();
@endmacro
@macro op_read_addr(name)
void op_{name}_addr_b();
void op_{name}_addr_w();
@endmacro
@macro op_read_addrx(name)
void op_{name}_addrx_b();
void op_{name}_addrx_w();
@endmacro
@macro op_read_addry(name)
void op_{name}_addry_b();
void op_{name}_addry_w();
@endmacro
@macro op_read_long(name)
void op_{name}_long_b();
void op_{name}_long_w();
@endmacro
@macro op_read_longx(name)
void op_{name}_longx_b();
void op_{name}_longx_w();
@endmacro
@macro op_read_dp(name)
void op_{name}_dp_b();
void op_{name}_dp_w();
@endmacro
@macro op_read_dpr(name, r)
void op_{name}_dpr_b();
void op_{name}_dpr_w();
@endmacro
@macro op_read_idp(name)
void op_{name}_idp_b();
void op_{name}_idp_w();
@endmacro
@macro op_read_idpx(name)
void op_{name}_idpx_b();
void op_{name}_idpx_w();
@endmacro
@macro op_read_idpy(name)
void op_{name}_idpy_b();
void op_{name}_idpy_w();
@endmacro
@macro op_read_ildp(name)
void op_{name}_ildp_b();
void op_{name}_ildp_w();
@endmacro
@macro op_read_ildpy(name)
void op_{name}_ildpy_b();
void op_{name}_ildpy_w();
@endmacro
@macro op_read_sr(name)
void op_{name}_sr_b();
void op_{name}_sr_w();
@endmacro
@macro op_read_isry(name)
void op_{name}_isry_b();
void op_{name}_isry_w();
@endmacro
//================
//opcode_write.bpp
//================
@macro op_store_addr(name, r)
void op_{name}_addr_b();
void op_{name}_addr_w();
@endmacro
@macro op_store_addrr(name, suffix, r, index)
void op_{name}_addr{suffix}_b();
void op_{name}_addr{suffix}_w();
@endmacro
@macro op_store_longr(name, suffix, index)
void op_{name}_long{suffix}_b();
void op_{name}_long{suffix}_w();
@endmacro
@macro op_store_dp(name, r)
void op_{name}_dp_b();
void op_{name}_dp_w();
@endmacro
@macro op_store_dpr(name, r, index)
void op_{name}_dpr_b();
void op_{name}_dpr_w();
@endmacro
@macro op_sta_idp()
void op_sta_idp_b();
void op_sta_idp_w();
@endmacro
@macro op_sta_ildp()
void op_sta_ildp_b();
void op_sta_ildp_w();
@endmacro
@macro op_sta_idpx()
void op_sta_idpx_b();
void op_sta_idpx_w();
@endmacro
@macro op_sta_idpy()
void op_sta_idpy_b();
void op_sta_idpy_w();
@endmacro
@macro op_sta_ildpy()
void op_sta_ildpy_b();
void op_sta_ildpy_w();
@endmacro
@macro op_sta_sr()
void op_sta_sr_b();
void op_sta_sr_w();
@endmacro
@macro op_sta_isry()
void op_sta_isry_b();
void op_sta_isry_w();
@endmacro
//==============
//opcode_rmw.bpp
//==============
@macro op_adjust(name, r, op)
void op_{name}_imm_b();
void op_{name}_imm_w();
@endmacro
@macro op_asl()
void op_asl_imm_b();
void op_asl_imm_w();
@endmacro
@macro op_lsr()
void op_lsr_imm_b();
void op_lsr_imm_w();
@endmacro
@macro op_rol()
void op_rol_imm_b();
void op_rol_imm_w();
@endmacro
@macro op_ror()
void op_ror_imm_b();
void op_ror_imm_w();
@endmacro
@macro op_adjust_addr(name)
void op_{name}_addr_b();
void op_{name}_addr_w();
@endmacro
@macro op_adjust_addrx(name)
void op_{name}_addrx_b();
void op_{name}_addrx_w();
@endmacro
@macro op_adjust_dp(name)
void op_{name}_dp_b();
void op_{name}_dp_w();
@endmacro
@macro op_adjust_dpx(name)
void op_{name}_dpx_b();
void op_{name}_dpx_w();
@endmacro
//=============
//opcode_pc.bpp
//=============
@macro op_branch(name, condition)
void op_{name}();
@endmacro
@macro op_bra()
void op_bra();
@endmacro
@macro op_brl()
void op_brl();
@endmacro
@macro op_jmp_addr()
void op_jmp_addr();
@endmacro
@macro op_jmp_long()
void op_jmp_long();
@endmacro
@macro op_jmp_iaddr()
void op_jmp_iaddr();
@endmacro
@macro op_jmp_iaddrx()
void op_jmp_iaddrx();
@endmacro
@macro op_jmp_iladdr()
void op_jmp_iladdr();
@endmacro
@macro op_jsr_addr()
void op_jsr_addr();
@endmacro
@macro op_jsr_long()
void op_jsr_long_e();
void op_jsr_long_n();
@endmacro
@macro op_jsr_iaddrx()
void op_jsr_iaddrx_e();
void op_jsr_iaddrx_n();
@endmacro
@macro op_rti()
void op_rti_e();
void op_rti_n();
@endmacro
@macro op_rts()
void op_rts();
@endmacro
@macro op_rtl()
void op_rtl_e();
void op_rtl_n();
@endmacro
//===============
//opcode_misc.bpp
//===============
@macro op_nop()
void op_nop();
@endmacro
@macro op_wdm()
void op_wdm();
@endmacro
@macro op_xba()
void op_xba();
@endmacro
@macro op_move(name, op)
void op_{name}_b();
void op_{name}_w();
@endmacro
@macro op_interrupt(name, vectorE, vectorN)
void op_{name}_e();
void op_{name}_n();
@endmacro
@macro op_stp()
void op_stp();
@endmacro
@macro op_wai()
void op_wai();
@endmacro
@macro op_xce()
void op_xce();
@endmacro
@macro op_flag(name, rule)
void op_{name}();
@endmacro
@macro op_pflag(name, op)
void op_{name}_e();
void op_{name}_n();
@endmacro
@macro op_transfer(name, from, to)
void op_{name}_b();
void op_{name}_w();
@endmacro
@macro op_transfer_word(name, from, to)
void op_{name}();
@endmacro
@macro op_tcs()
void op_tcs_e();
void op_tcs_n();
@endmacro
@macro op_tsc()
void op_tsc_e();
void op_tsc_n();
@endmacro
@macro op_tsx()
void op_tsx_b();
void op_tsx_w();
@endmacro
@macro op_txs()
void op_txs_e();
void op_txs_n();
@endmacro
@macro op_push(name, r)
void op_{name}_b();
void op_{name}_w();
@endmacro
@macro op_phd()
void op_phd_e();
void op_phd_n();
@endmacro
@macro op_push_byte(name, r)
void op_{name}();
@endmacro
@macro op_pull(name, r)
void op_{name}_b();
void op_{name}_w();
@endmacro
@macro op_pld()
void op_pld_e();
void op_pld_n();
@endmacro
@macro op_plb()
void op_plb();
@endmacro
@macro op_plp()
void op_plp_e();
void op_plp_n();
@endmacro
@macro op_pea()
void op_pea_e();
void op_pea_n();
@endmacro
@macro op_pei()
void op_pei_e();
void op_pei_n();
@endmacro
@macro op_per()
void op_per_e();
void op_per_n();
@endmacro
@include "opcode_list.bpp"

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//===============
//opcode_read.bpp
//===============
//================
//opcode_write.bpp
//================
//==============
//opcode_rmw.bpp
//==============
//=============
//opcode_pc.bpp
//=============
//===============
//opcode_misc.bpp
//===============
//===============
//opcode_read.bpp
//===============
void op_adc_const_b();
void op_adc_const_w();
void op_and_const_b();
void op_and_const_w();
void op_cmp_const_b();
void op_cmp_const_w();
void op_cpx_const_b();
void op_cpx_const_w();
void op_cpy_const_b();
void op_cpy_const_w();
void op_eor_const_b();
void op_eor_const_w();
void op_lda_const_b();
void op_lda_const_w();
void op_ldx_const_b();
void op_ldx_const_w();
void op_ldy_const_b();
void op_ldy_const_w();
void op_ora_const_b();
void op_ora_const_w();
void op_sbc_const_b();
void op_sbc_const_w();
void op_bit_const_b();
void op_bit_const_w();
void op_adc_addr_b();
void op_adc_addr_w();
void op_and_addr_b();
void op_and_addr_w();
void op_bit_addr_b();
void op_bit_addr_w();
void op_cmp_addr_b();
void op_cmp_addr_w();
void op_cpx_addr_b();
void op_cpx_addr_w();
void op_cpy_addr_b();
void op_cpy_addr_w();
void op_eor_addr_b();
void op_eor_addr_w();
void op_lda_addr_b();
void op_lda_addr_w();
void op_ldx_addr_b();
void op_ldx_addr_w();
void op_ldy_addr_b();
void op_ldy_addr_w();
void op_ora_addr_b();
void op_ora_addr_w();
void op_sbc_addr_b();
void op_sbc_addr_w();
void op_adc_addrx_b();
void op_adc_addrx_w();
void op_and_addrx_b();
void op_and_addrx_w();
void op_bit_addrx_b();
void op_bit_addrx_w();
void op_cmp_addrx_b();
void op_cmp_addrx_w();
void op_eor_addrx_b();
void op_eor_addrx_w();
void op_lda_addrx_b();
void op_lda_addrx_w();
void op_ldy_addrx_b();
void op_ldy_addrx_w();
void op_ora_addrx_b();
void op_ora_addrx_w();
void op_sbc_addrx_b();
void op_sbc_addrx_w();
void op_adc_addry_b();
void op_adc_addry_w();
void op_and_addry_b();
void op_and_addry_w();
void op_cmp_addry_b();
void op_cmp_addry_w();
void op_eor_addry_b();
void op_eor_addry_w();
void op_lda_addry_b();
void op_lda_addry_w();
void op_ldx_addry_b();
void op_ldx_addry_w();
void op_ora_addry_b();
void op_ora_addry_w();
void op_sbc_addry_b();
void op_sbc_addry_w();
void op_adc_long_b();
void op_adc_long_w();
void op_and_long_b();
void op_and_long_w();
void op_cmp_long_b();
void op_cmp_long_w();
void op_eor_long_b();
void op_eor_long_w();
void op_lda_long_b();
void op_lda_long_w();
void op_ora_long_b();
void op_ora_long_w();
void op_sbc_long_b();
void op_sbc_long_w();
void op_adc_longx_b();
void op_adc_longx_w();
void op_and_longx_b();
void op_and_longx_w();
void op_cmp_longx_b();
void op_cmp_longx_w();
void op_eor_longx_b();
void op_eor_longx_w();
void op_lda_longx_b();
void op_lda_longx_w();
void op_ora_longx_b();
void op_ora_longx_w();
void op_sbc_longx_b();
void op_sbc_longx_w();
void op_adc_dp_b();
void op_adc_dp_w();
void op_and_dp_b();
void op_and_dp_w();
void op_bit_dp_b();
void op_bit_dp_w();
void op_cmp_dp_b();
void op_cmp_dp_w();
void op_cpx_dp_b();
void op_cpx_dp_w();
void op_cpy_dp_b();
void op_cpy_dp_w();
void op_eor_dp_b();
void op_eor_dp_w();
void op_lda_dp_b();
void op_lda_dp_w();
void op_ldx_dp_b();
void op_ldx_dp_w();
void op_ldy_dp_b();
void op_ldy_dp_w();
void op_ora_dp_b();
void op_ora_dp_w();
void op_sbc_dp_b();
void op_sbc_dp_w();
void op_adc_dpr_b();
void op_adc_dpr_w();
void op_and_dpr_b();
void op_and_dpr_w();
void op_bit_dpr_b();
void op_bit_dpr_w();
void op_cmp_dpr_b();
void op_cmp_dpr_w();
void op_eor_dpr_b();
void op_eor_dpr_w();
void op_lda_dpr_b();
void op_lda_dpr_w();
void op_ldx_dpr_b();
void op_ldx_dpr_w();
void op_ldy_dpr_b();
void op_ldy_dpr_w();
void op_ora_dpr_b();
void op_ora_dpr_w();
void op_sbc_dpr_b();
void op_sbc_dpr_w();
void op_adc_idp_b();
void op_adc_idp_w();
void op_and_idp_b();
void op_and_idp_w();
void op_cmp_idp_b();
void op_cmp_idp_w();
void op_eor_idp_b();
void op_eor_idp_w();
void op_lda_idp_b();
void op_lda_idp_w();
void op_ora_idp_b();
void op_ora_idp_w();
void op_sbc_idp_b();
void op_sbc_idp_w();
void op_adc_idpx_b();
void op_adc_idpx_w();
void op_and_idpx_b();
void op_and_idpx_w();
void op_cmp_idpx_b();
void op_cmp_idpx_w();
void op_eor_idpx_b();
void op_eor_idpx_w();
void op_lda_idpx_b();
void op_lda_idpx_w();
void op_ora_idpx_b();
void op_ora_idpx_w();
void op_sbc_idpx_b();
void op_sbc_idpx_w();
void op_adc_idpy_b();
void op_adc_idpy_w();
void op_and_idpy_b();
void op_and_idpy_w();
void op_cmp_idpy_b();
void op_cmp_idpy_w();
void op_eor_idpy_b();
void op_eor_idpy_w();
void op_lda_idpy_b();
void op_lda_idpy_w();
void op_ora_idpy_b();
void op_ora_idpy_w();
void op_sbc_idpy_b();
void op_sbc_idpy_w();
void op_adc_ildp_b();
void op_adc_ildp_w();
void op_and_ildp_b();
void op_and_ildp_w();
void op_cmp_ildp_b();
void op_cmp_ildp_w();
void op_eor_ildp_b();
void op_eor_ildp_w();
void op_lda_ildp_b();
void op_lda_ildp_w();
void op_ora_ildp_b();
void op_ora_ildp_w();
void op_sbc_ildp_b();
void op_sbc_ildp_w();
void op_adc_ildpy_b();
void op_adc_ildpy_w();
void op_and_ildpy_b();
void op_and_ildpy_w();
void op_cmp_ildpy_b();
void op_cmp_ildpy_w();
void op_eor_ildpy_b();
void op_eor_ildpy_w();
void op_lda_ildpy_b();
void op_lda_ildpy_w();
void op_ora_ildpy_b();
void op_ora_ildpy_w();
void op_sbc_ildpy_b();
void op_sbc_ildpy_w();
void op_adc_sr_b();
void op_adc_sr_w();
void op_and_sr_b();
void op_and_sr_w();
void op_cmp_sr_b();
void op_cmp_sr_w();
void op_eor_sr_b();
void op_eor_sr_w();
void op_lda_sr_b();
void op_lda_sr_w();
void op_ora_sr_b();
void op_ora_sr_w();
void op_sbc_sr_b();
void op_sbc_sr_w();
void op_adc_isry_b();
void op_adc_isry_w();
void op_and_isry_b();
void op_and_isry_w();
void op_cmp_isry_b();
void op_cmp_isry_w();
void op_eor_isry_b();
void op_eor_isry_w();
void op_lda_isry_b();
void op_lda_isry_w();
void op_ora_isry_b();
void op_ora_isry_w();
void op_sbc_isry_b();
void op_sbc_isry_w();
//================
//opcode_write.bpp
//================
void op_sta_addr_b();
void op_sta_addr_w();
void op_stx_addr_b();
void op_stx_addr_w();
void op_sty_addr_b();
void op_sty_addr_w();
void op_stz_addr_b();
void op_stz_addr_w();
void op_sta_addrx_b();
void op_sta_addrx_w();
void op_sta_addry_b();
void op_sta_addry_w();
void op_stz_addrx_b();
void op_stz_addrx_w();
void op_sta_long_b();
void op_sta_long_w();
void op_sta_longx_b();
void op_sta_longx_w();
void op_sta_dp_b();
void op_sta_dp_w();
void op_stx_dp_b();
void op_stx_dp_w();
void op_sty_dp_b();
void op_sty_dp_w();
void op_stz_dp_b();
void op_stz_dp_w();
void op_sta_dpr_b();
void op_sta_dpr_w();
void op_stx_dpr_b();
void op_stx_dpr_w();
void op_sty_dpr_b();
void op_sty_dpr_w();
void op_stz_dpr_b();
void op_stz_dpr_w();
void op_sta_idp_b();
void op_sta_idp_w();
void op_sta_ildp_b();
void op_sta_ildp_w();
void op_sta_idpx_b();
void op_sta_idpx_w();
void op_sta_idpy_b();
void op_sta_idpy_w();
void op_sta_ildpy_b();
void op_sta_ildpy_w();
void op_sta_sr_b();
void op_sta_sr_w();
void op_sta_isry_b();
void op_sta_isry_w();
//==============
//opcode_rmw.bpp
//==============
void op_inc_imm_b();
void op_inc_imm_w();
void op_inx_imm_b();
void op_inx_imm_w();
void op_iny_imm_b();
void op_iny_imm_w();
void op_dec_imm_b();
void op_dec_imm_w();
void op_dex_imm_b();
void op_dex_imm_w();
void op_dey_imm_b();
void op_dey_imm_w();
void op_asl_imm_b();
void op_asl_imm_w();
void op_lsr_imm_b();
void op_lsr_imm_w();
void op_rol_imm_b();
void op_rol_imm_w();
void op_ror_imm_b();
void op_ror_imm_w();
void op_inc_addr_b();
void op_inc_addr_w();
void op_dec_addr_b();
void op_dec_addr_w();
void op_asl_addr_b();
void op_asl_addr_w();
void op_lsr_addr_b();
void op_lsr_addr_w();
void op_rol_addr_b();
void op_rol_addr_w();
void op_ror_addr_b();
void op_ror_addr_w();
void op_trb_addr_b();
void op_trb_addr_w();
void op_tsb_addr_b();
void op_tsb_addr_w();
void op_inc_addrx_b();
void op_inc_addrx_w();
void op_dec_addrx_b();
void op_dec_addrx_w();
void op_asl_addrx_b();
void op_asl_addrx_w();
void op_lsr_addrx_b();
void op_lsr_addrx_w();
void op_rol_addrx_b();
void op_rol_addrx_w();
void op_ror_addrx_b();
void op_ror_addrx_w();
void op_inc_dp_b();
void op_inc_dp_w();
void op_dec_dp_b();
void op_dec_dp_w();
void op_asl_dp_b();
void op_asl_dp_w();
void op_lsr_dp_b();
void op_lsr_dp_w();
void op_rol_dp_b();
void op_rol_dp_w();
void op_ror_dp_b();
void op_ror_dp_w();
void op_trb_dp_b();
void op_trb_dp_w();
void op_tsb_dp_b();
void op_tsb_dp_w();
void op_inc_dpx_b();
void op_inc_dpx_w();
void op_dec_dpx_b();
void op_dec_dpx_w();
void op_asl_dpx_b();
void op_asl_dpx_w();
void op_lsr_dpx_b();
void op_lsr_dpx_w();
void op_rol_dpx_b();
void op_rol_dpx_w();
void op_ror_dpx_b();
void op_ror_dpx_w();
//=============
//opcode_pc.bpp
//=============
void op_bcc();
void op_bcs();
void op_bne();
void op_beq();
void op_bpl();
void op_bmi();
void op_bvc();
void op_bvs();
void op_bra();
void op_brl();
void op_jmp_addr();
void op_jmp_long();
void op_jmp_iaddr();
void op_jmp_iaddrx();
void op_jmp_iladdr();
void op_jsr_addr();
void op_jsr_long_e();
void op_jsr_long_n();
void op_jsr_iaddrx_e();
void op_jsr_iaddrx_n();
void op_rti_e();
void op_rti_n();
void op_rts();
void op_rtl_e();
void op_rtl_n();
//===============
//opcode_misc.bpp
//===============
void op_nop();
void op_wdm();
void op_xba();
void op_mvn_b();
void op_mvn_w();
void op_mvp_b();
void op_mvp_w();
void op_brk_e();
void op_brk_n();
void op_cop_e();
void op_cop_n();
void op_stp();
void op_wai();
void op_xce();
void op_clc();
void op_cld();
void op_cli();
void op_clv();
void op_sec();
void op_sed();
void op_sei();
void op_rep_e();
void op_rep_n();
void op_sep_e();
void op_sep_n();
void op_tax_b();
void op_tax_w();
void op_tay_b();
void op_tay_w();
void op_txa_b();
void op_txa_w();
void op_txy_b();
void op_txy_w();
void op_tya_b();
void op_tya_w();
void op_tyx_b();
void op_tyx_w();
void op_tcd();
void op_tdc();
void op_tcs_e();
void op_tcs_n();
void op_tsc_e();
void op_tsc_n();
void op_tsx_b();
void op_tsx_w();
void op_txs_e();
void op_txs_n();
void op_pha_b();
void op_pha_w();
void op_phx_b();
void op_phx_w();
void op_phy_b();
void op_phy_w();
void op_phd_e();
void op_phd_n();
void op_phb();
void op_phk();
void op_php();
void op_pla_b();
void op_pla_w();
void op_plx_b();
void op_plx_w();
void op_ply_b();
void op_ply_w();
void op_pld_e();
void op_pld_n();
void op_plb();
void op_plp_e();
void op_plp_n();
void op_pea_e();
void op_pea_n();
void op_pei_e();
void op_pei_n();
void op_per_e();
void op_per_n();

View File

@ -0,0 +1,317 @@
//===============
//opcode_read.bpp
//===============
@op_read_const(adc)
@op_read_const(and)
@op_read_const(cmp)
@op_read_const(cpx)
@op_read_const(cpy)
@op_read_const(eor)
@op_read_const(lda)
@op_read_const(ldx)
@op_read_const(ldy)
@op_read_const(ora)
@op_read_const(sbc)
@op_read_bit_const()
@op_read_addr(adc)
@op_read_addr(and)
@op_read_addr(bit)
@op_read_addr(cmp)
@op_read_addr(cpx)
@op_read_addr(cpy)
@op_read_addr(eor)
@op_read_addr(lda)
@op_read_addr(ldx)
@op_read_addr(ldy)
@op_read_addr(ora)
@op_read_addr(sbc)
@op_read_addrx(adc)
@op_read_addrx(and)
@op_read_addrx(bit)
@op_read_addrx(cmp)
@op_read_addrx(eor)
@op_read_addrx(lda)
@op_read_addrx(ldy)
@op_read_addrx(ora)
@op_read_addrx(sbc)
@op_read_addry(adc)
@op_read_addry(and)
@op_read_addry(cmp)
@op_read_addry(eor)
@op_read_addry(lda)
@op_read_addry(ldx)
@op_read_addry(ora)
@op_read_addry(sbc)
@op_read_long(adc)
@op_read_long(and)
@op_read_long(cmp)
@op_read_long(eor)
@op_read_long(lda)
@op_read_long(ora)
@op_read_long(sbc)
@op_read_longx(adc)
@op_read_longx(and)
@op_read_longx(cmp)
@op_read_longx(eor)
@op_read_longx(lda)
@op_read_longx(ora)
@op_read_longx(sbc)
@op_read_dp(adc)
@op_read_dp(and)
@op_read_dp(bit)
@op_read_dp(cmp)
@op_read_dp(cpx)
@op_read_dp(cpy)
@op_read_dp(eor)
@op_read_dp(lda)
@op_read_dp(ldx)
@op_read_dp(ldy)
@op_read_dp(ora)
@op_read_dp(sbc)
@op_read_dpr(adc, x)
@op_read_dpr(and, x)
@op_read_dpr(bit, x)
@op_read_dpr(cmp, x)
@op_read_dpr(eor, x)
@op_read_dpr(lda, x)
@op_read_dpr(ldx, y)
@op_read_dpr(ldy, x)
@op_read_dpr(ora, x)
@op_read_dpr(sbc, x)
@op_read_idp(adc)
@op_read_idp(and)
@op_read_idp(cmp)
@op_read_idp(eor)
@op_read_idp(lda)
@op_read_idp(ora)
@op_read_idp(sbc)
@op_read_idpx(adc)
@op_read_idpx(and)
@op_read_idpx(cmp)
@op_read_idpx(eor)
@op_read_idpx(lda)
@op_read_idpx(ora)
@op_read_idpx(sbc)
@op_read_idpy(adc)
@op_read_idpy(and)
@op_read_idpy(cmp)
@op_read_idpy(eor)
@op_read_idpy(lda)
@op_read_idpy(ora)
@op_read_idpy(sbc)
@op_read_ildp(adc)
@op_read_ildp(and)
@op_read_ildp(cmp)
@op_read_ildp(eor)
@op_read_ildp(lda)
@op_read_ildp(ora)
@op_read_ildp(sbc)
@op_read_ildpy(adc)
@op_read_ildpy(and)
@op_read_ildpy(cmp)
@op_read_ildpy(eor)
@op_read_ildpy(lda)
@op_read_ildpy(ora)
@op_read_ildpy(sbc)
@op_read_sr(adc)
@op_read_sr(and)
@op_read_sr(cmp)
@op_read_sr(eor)
@op_read_sr(lda)
@op_read_sr(ora)
@op_read_sr(sbc)
@op_read_isry(adc)
@op_read_isry(and)
@op_read_isry(cmp)
@op_read_isry(eor)
@op_read_isry(lda)
@op_read_isry(ora)
@op_read_isry(sbc)
//================
//opcode_write.bpp
//================
@op_store_addr(sta, regs.a.w)
@op_store_addr(stx, regs.x.w)
@op_store_addr(sty, regs.y.w)
@op_store_addr(stz, 0x0000)
@op_store_addrr(sta, x, regs.a.w, regs.x.w)
@op_store_addrr(sta, y, regs.a.w, regs.y.w)
@op_store_addrr(stz, x, 0x0000, regs.x.w)
@op_store_longr(sta, , 0x0000)
@op_store_longr(sta, x, regs.x.w)
@op_store_dp(sta, regs.a.w)
@op_store_dp(stx, regs.x.w)
@op_store_dp(sty, regs.y.w)
@op_store_dp(stz, 0x0000)
@op_store_dpr(sta, regs.a.w, x)
@op_store_dpr(stx, regs.x.w, y)
@op_store_dpr(sty, regs.y.w, x)
@op_store_dpr(stz, 0x0000, x)
@op_sta_idp()
@op_sta_ildp()
@op_sta_idpx()
@op_sta_idpy()
@op_sta_ildpy()
@op_sta_sr()
@op_sta_isry()
//==============
//opcode_rmw.bpp
//==============
@op_adjust(inc, a, ++)
@op_adjust(inx, x, ++)
@op_adjust(iny, y, ++)
@op_adjust(dec, a, --)
@op_adjust(dex, x, --)
@op_adjust(dey, y, --)
@op_asl()
@op_lsr()
@op_rol()
@op_ror()
@op_adjust_addr(inc)
@op_adjust_addr(dec)
@op_adjust_addr(asl)
@op_adjust_addr(lsr)
@op_adjust_addr(rol)
@op_adjust_addr(ror)
@op_adjust_addr(trb)
@op_adjust_addr(tsb)
@op_adjust_addrx(inc)
@op_adjust_addrx(dec)
@op_adjust_addrx(asl)
@op_adjust_addrx(lsr)
@op_adjust_addrx(rol)
@op_adjust_addrx(ror)
@op_adjust_dp(inc)
@op_adjust_dp(dec)
@op_adjust_dp(asl)
@op_adjust_dp(lsr)
@op_adjust_dp(rol)
@op_adjust_dp(ror)
@op_adjust_dp(trb)
@op_adjust_dp(tsb)
@op_adjust_dpx(inc)
@op_adjust_dpx(dec)
@op_adjust_dpx(asl)
@op_adjust_dpx(lsr)
@op_adjust_dpx(rol)
@op_adjust_dpx(ror)
//=============
//opcode_pc.bpp
//=============
@op_branch(bcc, !regs.p.c)
@op_branch(bcs, regs.p.c)
@op_branch(bne, !regs.p.z)
@op_branch(beq, regs.p.z)
@op_branch(bpl, !regs.p.n)
@op_branch(bmi, regs.p.n)
@op_branch(bvc, !regs.p.v)
@op_branch(bvs, regs.p.v)
@op_bra()
@op_brl()
@op_jmp_addr()
@op_jmp_long()
@op_jmp_iaddr()
@op_jmp_iaddrx()
@op_jmp_iladdr()
@op_jsr_addr()
@op_jsr_long()
@op_jsr_iaddrx()
@op_rti()
@op_rts()
@op_rtl()
//===============
//opcode_misc.bpp
//===============
@op_nop()
@op_wdm()
@op_xba()
@op_move(mvn, ++)
@op_move(mvp, --)
@op_interrupt(brk, 0xfffe, 0xffe6)
@op_interrupt(cop, 0xfff4, 0xffe4)
@op_stp()
@op_wai()
@op_xce()
@op_flag(clc, regs.p.c = 0)
@op_flag(cld, regs.p.d = 0)
@op_flag(cli, regs.p.i = 0)
@op_flag(clv, regs.p.v = 0)
@op_flag(sec, regs.p.c = 1)
@op_flag(sed, regs.p.d = 1)
@op_flag(sei, regs.p.i = 1)
@op_pflag(rep, &=~)
@op_pflag(sep, |=)
@op_transfer(tax, a, x)
@op_transfer(tay, a, y)
@op_transfer(txa, x, a)
@op_transfer(txy, x, y)
@op_transfer(tya, y, a)
@op_transfer(tyx, y, x)
@op_transfer_word(tcd, a, d)
@op_transfer_word(tdc, d, a)
@op_tcs()
@op_tsc()
@op_tsx()
@op_txs()
@op_push(pha, a)
@op_push(phx, x)
@op_push(phy, y)
@op_phd()
@op_push_byte(phb, regs.db)
@op_push_byte(phk, regs.pc.b)
@op_push_byte(php, regs.p)
@op_pull(pla, a)
@op_pull(plx, x)
@op_pull(ply, y)
@op_pld()
@op_plb()
@op_plp()
@op_pea()
@op_pei()
@op_per()

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@macro op_nop()
void {class}::op_nop() {
{lc}op_io_irq();
}
@endmacro
@macro op_wdm()
void {class}::op_wdm() {
{lc}op_readpc();
}
@endmacro
@macro op_xba()
void {class}::op_xba() {
op_io();
{lc}op_io();
regs.a.l ^= regs.a.h;
regs.a.h ^= regs.a.l;
regs.a.l ^= regs.a.h;
regs.p.n = (regs.a.l & 0x80);
regs.p.z = (regs.a.l == 0);
}
@endmacro
@macro op_move(name, op)
void {class}::op_{name}_b() {
dp = op_readpc();
sp = op_readpc();
regs.db = dp;
rd.l = op_readlong((sp << 16) | regs.x.w);
op_writelong((dp << 16) | regs.y.w, rd.l);
op_io();
regs.x.l {op};
regs.y.l {op};
{lc}op_io();
if(regs.a.w--) regs.pc.w -= 3;
}
void {class}::op_{name}_w() {
dp = op_readpc();
sp = op_readpc();
regs.db = dp;
rd.l = op_readlong((sp << 16) | regs.x.w);
op_writelong((dp << 16) | regs.y.w, rd.l);
op_io();
regs.x.w {op};
regs.y.w {op};
{lc}op_io();
if(regs.a.w--) regs.pc.w -= 3;
}
@endmacro
@macro op_interrupt(name, vectorE, vectorN)
void {class}::op_{name}_e() {
op_readpc();
op_writestack(regs.pc.h);
op_writestack(regs.pc.l);
op_writestack(regs.p);
rd.l = op_readlong({vectorE} + 0);
regs.pc.b = 0;
regs.p.i = 1;
regs.p.d = 0;
{lc}rd.h = op_readlong({vectorE} + 1);
regs.pc.w = rd.w;
}
void {class}::op_{name}_n() {
op_readpc();
op_writestack(regs.pc.b);
op_writestack(regs.pc.h);
op_writestack(regs.pc.l);
op_writestack(regs.p);
rd.l = op_readlong({vectorN} + 0);
regs.pc.b = 0x00;
regs.p.i = 1;
regs.p.d = 0;
{lc}rd.h = op_readlong({vectorN} + 1);
regs.pc.w = rd.w;
}
@endmacro
@macro op_stp()
void {class}::op_stp() {
while({wai} = true) {
{lc} op_io();
}
}
@endmacro
@macro op_wai()
void {class}::op_wai() {
{wai} = true;
while({wai}) {
{lc} op_io();
}
op_io();
}
@endmacro
@macro op_xce()
void {class}::op_xce() {
{lc}op_io_irq();
bool carry = regs.p.c;
regs.p.c = regs.e;
regs.e = carry;
if(regs.e) {
regs.p |= 0x30;
regs.s.h = 0x01;
}
if(regs.p.x) {
regs.x.h = 0x00;
regs.y.h = 0x00;
}
update_table();
}
@endmacro
@macro op_flag(name, rule)
void {class}::op_{name}() {
{lc}op_io_irq();
{rule};
}
@endmacro
@macro op_pflag(name, op)
void {class}::op_{name}_e() {
rd.l = op_readpc();
{lc}op_io();
regs.p {op} rd.l;
regs.p |= 0x30;
if(regs.p.x) {
regs.x.h = 0x00;
regs.y.h = 0x00;
}
update_table();
}
void {class}::op_{name}_n() {
rd.l = op_readpc();
{lc}op_io();
regs.p {op} rd.l;
if(regs.p.x) {
regs.x.h = 0x00;
regs.y.h = 0x00;
}
update_table();
}
@endmacro
@macro op_transfer(name, from, to)
void {class}::op_{name}_b() {
{lc}op_io_irq();
regs.{to}.l = regs.{from}.l;
regs.p.n = (regs.{to}.l & 0x80);
regs.p.z = (regs.{to}.l == 0);
}
void {class}::op_{name}_w() {
{lc}op_io_irq();
regs.{to}.w = regs.{from}.w;
regs.p.n = (regs.{to}.w & 0x8000);
regs.p.z = (regs.{to}.w == 0);
}
@endmacro
@macro op_transfer_word(name, from, to)
void {class}::op_{name}() {
{lc}op_io_irq();
regs.{to}.w = regs.{from}.w;
regs.p.n = (regs.{to}.w & 0x8000);
regs.p.z = (regs.{to}.w == 0);
}
@endmacro
@macro op_tcs()
void {class}::op_tcs_e() {
{lc}op_io_irq();
regs.s.l = regs.a.l;
}
void {class}::op_tcs_n() {
{lc}op_io_irq();
regs.s.w = regs.a.w;
}
@endmacro
@macro op_tsc()
void {class}::op_tsc_e() {
{lc}op_io_irq();
regs.a.w = regs.s.w;
regs.p.n = (regs.a.l & 0x80);
regs.p.z = (regs.a.l == 0);
}
void {class}::op_tsc_n() {
{lc}op_io_irq();
regs.a.w = regs.s.w;
regs.p.n = (regs.a.w & 0x8000);
regs.p.z = (regs.a.w == 0);
}
@endmacro
@macro op_tsx()
void {class}::op_tsx_b() {
{lc}op_io_irq();
regs.x.l = regs.s.l;
regs.p.n = (regs.x.l & 0x80);
regs.p.z = (regs.x.l == 0);
}
void {class}::op_tsx_w() {
{lc}op_io_irq();
regs.x.w = regs.s.w;
regs.p.n = (regs.x.w & 0x8000);
regs.p.z = (regs.x.w == 0);
}
@endmacro
@macro op_txs()
void {class}::op_txs_e() {
{lc}op_io_irq();
regs.s.l = regs.x.l;
}
void {class}::op_txs_n() {
{lc}op_io_irq();
regs.s.w = regs.x.w;
}
@endmacro
@macro op_push(name, r)
void {class}::op_{name}_b() {
op_io();
{lc}op_writestack(regs.{r}.l);
}
void {class}::op_{name}_w() {
op_io();
op_writestack(regs.{r}.h);
{lc}op_writestack(regs.{r}.l);
}
@endmacro
@macro op_phd()
void {class}::op_phd_e() {
op_io();
op_writestackn(regs.d.h);
{lc}op_writestackn(regs.d.l);
regs.s.h = 0x01;
}
void {class}::op_phd_n() {
op_io();
op_writestackn(regs.d.h);
{lc}op_writestackn(regs.d.l);
}
@endmacro
@macro op_push_byte(name, r)
void {class}::op_{name}() {
op_io();
{lc}op_writestack({r});
}
@endmacro
@macro op_pull(name, r)
void {class}::op_{name}_b() {
op_io();
op_io();
{lc}regs.{r}.l = op_readstack();
regs.p.n = (regs.{r}.l & 0x80);
regs.p.z = (regs.{r}.l == 0);
}
void {class}::op_{name}_w() {
op_io();
op_io();
regs.{r}.l = op_readstack();
{lc}regs.{r}.h = op_readstack();
regs.p.n = (regs.{r}.w & 0x8000);
regs.p.z = (regs.{r}.w == 0);
}
@endmacro
@macro op_pld()
void {class}::op_pld_e() {
op_io();
op_io();
regs.d.l = op_readstackn();
{lc}regs.d.h = op_readstackn();
regs.p.n = (regs.d.w & 0x8000);
regs.p.z = (regs.d.w == 0);
regs.s.h = 0x01;
}
void {class}::op_pld_n() {
op_io();
op_io();
regs.d.l = op_readstackn();
{lc}regs.d.h = op_readstackn();
regs.p.n = (regs.d.w & 0x8000);
regs.p.z = (regs.d.w == 0);
}
@endmacro
@macro op_plb()
void {class}::op_plb() {
op_io();
op_io();
{lc}regs.db = op_readstack();
regs.p.n = (regs.db & 0x80);
regs.p.z = (regs.db == 0);
}
@endmacro
@macro op_plp()
void {class}::op_plp_e() {
op_io();
op_io();
{lc}regs.p = op_readstack() | 0x30;
if(regs.p.x) {
regs.x.h = 0x00;
regs.y.h = 0x00;
}
update_table();
}
void {class}::op_plp_n() {
op_io();
op_io();
{lc}regs.p = op_readstack();
if(regs.p.x) {
regs.x.h = 0x00;
regs.y.h = 0x00;
}
update_table();
}
@endmacro
@macro op_pea()
void {class}::op_pea_e() {
aa.l = op_readpc();
aa.h = op_readpc();
op_writestackn(aa.h);
{lc}op_writestackn(aa.l);
regs.s.h = 0x01;
}
void {class}::op_pea_n() {
aa.l = op_readpc();
aa.h = op_readpc();
op_writestackn(aa.h);
{lc}op_writestackn(aa.l);
}
@endmacro
@macro op_pei()
void {class}::op_pei_e() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_writestackn(aa.h);
{lc}op_writestackn(aa.l);
regs.s.h = 0x01;
}
void {class}::op_pei_n() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_writestackn(aa.h);
{lc}op_writestackn(aa.l);
}
@endmacro
@macro op_per()
void {class}::op_per_e() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
rd.w = regs.pc.d + (int16_t)aa.w;
op_writestackn(rd.h);
{lc}op_writestackn(rd.l);
regs.s.h = 0x01;
}
void {class}::op_per_n() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
rd.w = regs.pc.d + (int16_t)aa.w;
op_writestackn(rd.h);
{lc}op_writestackn(rd.l);
}
@endmacro

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@macro op_branch(name, condition)
void {class}::op_{name}() {
if({condition} == false) {
{lc} rd.l = op_readpc();
} else {
rd.l = op_readpc();
aa.w = regs.pc.d + (int8_t)rd.l;
op_io_cond6(aa.w);
{lc} op_io();
regs.pc.w = aa.w;
}
}
@endmacro
@macro op_bra()
void {class}::op_bra() {
rd.l = op_readpc();
aa.w = regs.pc.d + (int8_t)rd.l;
op_io_cond6(aa.w);
{lc}op_io();
regs.pc.w = aa.w;
}
@endmacro
@macro op_brl()
void {class}::op_brl() {
rd.l = op_readpc();
rd.h = op_readpc();
{lc}op_io();
regs.pc.w = regs.pc.d + (int16_t)rd.w;
}
@endmacro
@macro op_jmp_addr()
void {class}::op_jmp_addr() {
rd.l = op_readpc();
{lc}rd.h = op_readpc();
regs.pc.w = rd.w;
}
@endmacro
@macro op_jmp_long()
void {class}::op_jmp_long() {
rd.l = op_readpc();
rd.h = op_readpc();
{lc}rd.b = op_readpc();
regs.pc.d = rd.d & 0xffffff;
}
@endmacro
@macro op_jmp_iaddr()
void {class}::op_jmp_iaddr() {
aa.l = op_readpc();
aa.h = op_readpc();
rd.l = op_readaddr(aa.w + 0);
{lc}rd.h = op_readaddr(aa.w + 1);
regs.pc.w = rd.w;
}
@endmacro
@macro op_jmp_iaddrx()
void {class}::op_jmp_iaddrx() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
rd.l = op_readpbr(aa.w + regs.x.w + 0);
{lc}rd.h = op_readpbr(aa.w + regs.x.w + 1);
regs.pc.w = rd.w;
}
@endmacro
@macro op_jmp_iladdr()
void {class}::op_jmp_iladdr() {
aa.l = op_readpc();
aa.h = op_readpc();
rd.l = op_readaddr(aa.w + 0);
rd.h = op_readaddr(aa.w + 1);
{lc}rd.b = op_readaddr(aa.w + 2);
regs.pc.d = rd.d & 0xffffff;
}
@endmacro
@macro op_jsr_addr()
void {class}::op_jsr_addr() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
regs.pc.w--;
op_writestack(regs.pc.h);
{lc}op_writestack(regs.pc.l);
regs.pc.w = aa.w;
}
@endmacro
@macro op_jsr_long()
void {class}::op_jsr_long_e() {
aa.l = op_readpc();
aa.h = op_readpc();
op_writestackn(regs.pc.b);
op_io();
aa.b = op_readpc();
regs.pc.w--;
op_writestackn(regs.pc.h);
{lc}op_writestackn(regs.pc.l);
regs.pc.d = aa.d & 0xffffff;
regs.s.h = 0x01;
}
void {class}::op_jsr_long_n() {
aa.l = op_readpc();
aa.h = op_readpc();
op_writestackn(regs.pc.b);
op_io();
aa.b = op_readpc();
regs.pc.w--;
op_writestackn(regs.pc.h);
{lc}op_writestackn(regs.pc.l);
regs.pc.d = aa.d & 0xffffff;
}
@endmacro
@macro op_jsr_iaddrx()
void {class}::op_jsr_iaddrx_e() {
aa.l = op_readpc();
op_writestackn(regs.pc.h);
op_writestackn(regs.pc.l);
aa.h = op_readpc();
op_io();
rd.l = op_readpbr(aa.w + regs.x.w + 0);
{lc}rd.h = op_readpbr(aa.w + regs.x.w + 1);
regs.pc.w = rd.w;
regs.s.h = 0x01;
}
void {class}::op_jsr_iaddrx_n() {
aa.l = op_readpc();
op_writestackn(regs.pc.h);
op_writestackn(regs.pc.l);
aa.h = op_readpc();
op_io();
rd.l = op_readpbr(aa.w + regs.x.w + 0);
{lc}rd.h = op_readpbr(aa.w + regs.x.w + 1);
regs.pc.w = rd.w;
}
@endmacro
@macro op_rti()
void {class}::op_rti_e() {
op_io();
op_io();
regs.p = op_readstack() | 0x30;
rd.l = op_readstack();
{lc}rd.h = op_readstack();
regs.pc.w = rd.w;
}
void {class}::op_rti_n() {
op_io();
op_io();
regs.p = op_readstack();
if(regs.p.x) {
regs.x.h = 0x00;
regs.y.h = 0x00;
}
rd.l = op_readstack();
rd.h = op_readstack();
{lc}rd.b = op_readstack();
regs.pc.d = rd.d & 0xffffff;
update_table();
}
@endmacro
@macro op_rts()
void {class}::op_rts() {
op_io();
op_io();
rd.l = op_readstack();
rd.h = op_readstack();
{lc}op_io();
regs.pc.w = ++rd.w;
}
@endmacro
@macro op_rtl()
void {class}::op_rtl_e() {
op_io();
op_io();
rd.l = op_readstackn();
rd.h = op_readstackn();
{lc}rd.b = op_readstackn();
regs.pc.b = rd.b;
regs.pc.w = ++rd.w;
regs.s.h = 0x01;
}
void {class}::op_rtl_n() {
op_io();
op_io();
rd.l = op_readstackn();
rd.h = op_readstackn();
{lc}rd.b = op_readstackn();
regs.pc.b = rd.b;
regs.pc.w = ++rd.w;
}
@endmacro

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@ -0,0 +1,307 @@
@macro op_read_const(name)
void {class}::op_{name}_const_b() {
{lc}rd.l = op_readpc();
op_{name}_b();
}
void {class}::op_{name}_const_w() {
rd.l = op_readpc();
{lc}rd.h = op_readpc();
op_{name}_w();
}
@endmacro
@macro op_read_bit_const()
void {class}::op_bit_const_b() {
{lc}rd.l = op_readpc();
regs.p.z = ((rd.l & regs.a.l) == 0);
}
void {class}::op_bit_const_w() {
rd.l = op_readpc();
{lc}rd.h = op_readpc();
regs.p.z = ((rd.w & regs.a.w) == 0);
}
@endmacro
@macro op_read_addr(name)
void {class}::op_{name}_addr_b() {
aa.l = op_readpc();
aa.h = op_readpc();
{lc}rd.l = op_readdbr(aa.w);
op_{name}_b();
}
void {class}::op_{name}_addr_w() {
aa.l = op_readpc();
aa.h = op_readpc();
rd.l = op_readdbr(aa.w + 0);
{lc}rd.h = op_readdbr(aa.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_addrx(name)
void {class}::op_{name}_addrx_b() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io_cond4(aa.w, aa.w + regs.x.w);
{lc}rd.l = op_readdbr(aa.w + regs.x.w);
op_{name}_b();
}
void {class}::op_{name}_addrx_w() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io_cond4(aa.w, aa.w + regs.x.w);
rd.l = op_readdbr(aa.w + regs.x.w + 0);
{lc}rd.h = op_readdbr(aa.w + regs.x.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_addry(name)
void {class}::op_{name}_addry_b() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io_cond4(aa.w, aa.w + regs.y.w);
{lc}rd.l = op_readdbr(aa.w + regs.y.w);
op_{name}_b();
}
void {class}::op_{name}_addry_w() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io_cond4(aa.w, aa.w + regs.y.w);
rd.l = op_readdbr(aa.w + regs.y.w + 0);
{lc}rd.h = op_readdbr(aa.w + regs.y.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_long(name)
void {class}::op_{name}_long_b() {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
{lc}rd.l = op_readlong(aa.d);
op_{name}_b();
}
void {class}::op_{name}_long_w() {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
rd.l = op_readlong(aa.d + 0);
{lc}rd.h = op_readlong(aa.d + 1);
op_{name}_w();
}
@endmacro
@macro op_read_longx(name)
void {class}::op_{name}_longx_b() {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
{lc}rd.l = op_readlong(aa.d + regs.x.w);
op_{name}_b();
}
void {class}::op_{name}_longx_w() {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
rd.l = op_readlong(aa.d + regs.x.w + 0);
{lc}rd.h = op_readlong(aa.d + regs.x.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_dp(name)
void {class}::op_{name}_dp_b() {
dp = op_readpc();
op_io_cond2();
{lc}rd.l = op_readdp(dp);
op_{name}_b();
}
void {class}::op_{name}_dp_w() {
dp = op_readpc();
op_io_cond2();
rd.l = op_readdp(dp + 0);
{lc}rd.h = op_readdp(dp + 1);
op_{name}_w();
}
@endmacro
@macro op_read_dpr(name, r)
void {class}::op_{name}_dpr_b() {
dp = op_readpc();
op_io_cond2();
op_io();
{lc}rd.l = op_readdp(dp + regs.{r}.w);
op_{name}_b();
}
void {class}::op_{name}_dpr_w() {
dp = op_readpc();
op_io_cond2();
op_io();
{lc}rd.l = op_readdp(dp + regs.{r}.w + 0);
rd.h = op_readdp(dp + regs.{r}.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_idp(name)
void {class}::op_{name}_idp_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
{lc}rd.l = op_readdbr(aa.w);
op_{name}_b();
}
void {class}::op_{name}_idp_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
rd.l = op_readdbr(aa.w + 0);
{lc}rd.h = op_readdbr(aa.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_idpx(name)
void {class}::op_{name}_idpx_b() {
dp = op_readpc();
op_io_cond2();
op_io();
aa.l = op_readdp(dp + regs.x.w + 0);
aa.h = op_readdp(dp + regs.x.w + 1);
{lc}rd.l = op_readdbr(aa.w);
op_{name}_b();
}
void {class}::op_{name}_idpx_w() {
dp = op_readpc();
op_io_cond2();
op_io();
aa.l = op_readdp(dp + regs.x.w + 0);
aa.h = op_readdp(dp + regs.x.w + 1);
rd.l = op_readdbr(aa.w + 0);
{lc}rd.h = op_readdbr(aa.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_idpy(name)
void {class}::op_{name}_idpy_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_io_cond4(aa.w, aa.w + regs.y.w);
{lc}rd.l = op_readdbr(aa.w + regs.y.w);
op_{name}_b();
}
void {class}::op_{name}_idpy_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_io_cond4(aa.w, aa.w + regs.y.w);
rd.l = op_readdbr(aa.w + regs.y.w + 0);
{lc}rd.h = op_readdbr(aa.w + regs.y.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_ildp(name)
void {class}::op_{name}_ildp_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
{lc}rd.l = op_readlong(aa.d);
op_{name}_b();
}
void {class}::op_{name}_ildp_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
rd.l = op_readlong(aa.d + 0);
{lc}rd.h = op_readlong(aa.d + 1);
op_{name}_w();
}
@endmacro
@macro op_read_ildpy(name)
void {class}::op_{name}_ildpy_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
{lc}rd.l = op_readlong(aa.d + regs.y.w);
op_{name}_b();
}
void {class}::op_{name}_ildpy_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
rd.l = op_readlong(aa.d + regs.y.w + 0);
{lc}rd.h = op_readlong(aa.d + regs.y.w + 1);
op_{name}_w();
}
@endmacro
@macro op_read_sr(name)
void {class}::op_{name}_sr_b() {
sp = op_readpc();
op_io();
{lc}rd.l = op_readsp(sp);
op_{name}_b();
}
void {class}::op_{name}_sr_w() {
sp = op_readpc();
op_io();
rd.l = op_readsp(sp + 0);
{lc}rd.h = op_readsp(sp + 1);
op_{name}_w();
}
@endmacro
@macro op_read_isry(name)
void {class}::op_{name}_isry_b() {
sp = op_readpc();
op_io();
aa.l = op_readsp(sp + 0);
aa.h = op_readsp(sp + 1);
op_io();
{lc}rd.l = op_readdbr(aa.w + regs.y.w);
op_{name}_b();
}
void {class}::op_{name}_isry_w() {
sp = op_readpc();
op_io();
aa.l = op_readsp(sp + 0);
aa.h = op_readsp(sp + 1);
op_io();
rd.l = op_readdbr(aa.w + regs.y.w + 0);
{lc}rd.h = op_readdbr(aa.w + regs.y.w + 1);
op_{name}_w();
}
@endmacro

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@macro op_adjust(name, r, op)
void {class}::op_{name}_imm_b() {
{lc}op_io_irq();
regs.{r}.l {op};
regs.p.n = (regs.{r}.l & 0x80);
regs.p.z = (regs.{r}.l == 0);
}
void {class}::op_{name}_imm_w() {
{lc}op_io_irq();
regs.{r}.w {op};
regs.p.n = (regs.{r}.w & 0x8000);
regs.p.z = (regs.{r}.w == 0);
}
@endmacro
@macro op_asl()
void {class}::op_asl_imm_b() {
{lc}op_io_irq();
regs.p.c = (regs.a.l & 0x80);
regs.a.l <<= 1;
regs.p.n = (regs.a.l & 0x80);
regs.p.z = (regs.a.l == 0);
}
void {class}::op_asl_imm_w() {
{lc}op_io_irq();
regs.p.c = (regs.a.w & 0x8000);
regs.a.w <<= 1;
regs.p.n = (regs.a.w & 0x8000);
regs.p.z = (regs.a.w == 0);
}
@endmacro
@macro op_lsr()
void {class}::op_lsr_imm_b() {
{lc}op_io_irq();
regs.p.c = (regs.a.l & 0x01);
regs.a.l >>= 1;
regs.p.n = (regs.a.l & 0x80);
regs.p.z = (regs.a.l == 0);
}
void {class}::op_lsr_imm_w() {
{lc}op_io_irq();
regs.p.c = (regs.a.w & 0x0001);
regs.a.w >>= 1;
regs.p.n = (regs.a.w & 0x8000);
regs.p.z = (regs.a.w == 0);
}
@endmacro
@macro op_rol()
void {class}::op_rol_imm_b() {
{lc}op_io_irq();
bool carry = regs.p.c;
regs.p.c = (regs.a.l & 0x80);
regs.a.l = (regs.a.l << 1) | carry;
regs.p.n = (regs.a.l & 0x80);
regs.p.z = (regs.a.l == 0);
}
void {class}::op_rol_imm_w() {
{lc}op_io_irq();
bool carry = regs.p.c;
regs.p.c = (regs.a.w & 0x8000);
regs.a.w = (regs.a.w << 1) | carry;
regs.p.n = (regs.a.w & 0x8000);
regs.p.z = (regs.a.w == 0);
}
@endmacro
@macro op_ror()
void {class}::op_ror_imm_b() {
{lc}op_io_irq();
bool carry = regs.p.c;
regs.p.c = (regs.a.l & 0x01);
regs.a.l = (carry << 7) | (regs.a.l >> 1);
regs.p.n = (regs.a.l & 0x80);
regs.p.z = (regs.a.l == 0);
}
void {class}::op_ror_imm_w() {
{lc}op_io_irq();
bool carry = regs.p.c;
regs.p.c = (regs.a.w & 0x0001);
regs.a.w = (carry << 15) | (regs.a.w >> 1);
regs.p.n = (regs.a.w & 0x8000);
regs.p.z = (regs.a.w == 0);
}
@endmacro
@macro op_adjust_addr(name)
void {class}::op_{name}_addr_b() {
aa.l = op_readpc();
aa.h = op_readpc();
rd.l = op_readdbr(aa.w);
op_io();
op_{name}_b();
{lc}op_writedbr(aa.w, rd.l);
}
void {class}::op_{name}_addr_w() {
aa.l = op_readpc();
aa.h = op_readpc();
rd.l = op_readdbr(aa.w + 0);
rd.h = op_readdbr(aa.w + 1);
op_io();
op_{name}_w();
op_writedbr(aa.w + 1, rd.h);
{lc}op_writedbr(aa.w + 0, rd.l);
}
@endmacro
@macro op_adjust_addrx(name)
void {class}::op_{name}_addrx_b() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
rd.l = op_readdbr(aa.w + regs.x.w);
op_io();
op_{name}_b();
{lc}op_writedbr(aa.w + regs.x.w, rd.l);
}
void {class}::op_{name}_addrx_w() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
rd.l = op_readdbr(aa.w + regs.x.w + 0);
rd.h = op_readdbr(aa.w + regs.x.w + 1);
op_io();
op_{name}_w();
op_writedbr(aa.w + regs.x.w + 1, rd.h);
{lc}op_writedbr(aa.w + regs.x.w + 0, rd.l);
}
@endmacro
@macro op_adjust_dp(name)
void {class}::op_{name}_dp_b() {
dp = op_readpc();
op_io_cond2();
rd.l = op_readdp(dp);
op_io();
op_{name}_b();
{lc}op_writedp(dp, rd.l);
}
void {class}::op_{name}_dp_w() {
dp = op_readpc();
op_io_cond2();
rd.l = op_readdp(dp + 0);
rd.h = op_readdp(dp + 1);
op_io();
op_{name}_w();
op_writedp(dp + 1, rd.h);
{lc}op_writedp(dp + 0, rd.l);
}
@endmacro
@macro op_adjust_dpx(name)
void {class}::op_{name}_dpx_b() {
dp = op_readpc();
op_io_cond2();
op_io();
rd.l = op_readdp(dp + regs.x.w);
op_io();
op_{name}_b();
{lc}op_writedp(dp + regs.x.w, rd.l);
}
void {class}::op_{name}_dpx_w() {
dp = op_readpc();
op_io_cond2();
op_io();
rd.l = op_readdp(dp + regs.x.w + 0);
rd.h = op_readdp(dp + regs.x.w + 1);
op_io();
op_{name}_w();
op_writedp(dp + regs.x.w + 1, rd.h);
{lc}op_writedp(dp + regs.x.w + 0, rd.l);
}
@endmacro

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#ifdef CPUCORE_CPP
void CPUcore::initialize_opcode_table() {
//same implementation for all processor states
#define opA(id, name) \
op_table[table_EM + id] = &CPUcore::op_ ## name; \
op_table[table_MX + id] = &CPUcore::op_ ## name; \
op_table[table_Mx + id] = &CPUcore::op_ ## name; \
op_table[table_mX + id] = &CPUcore::op_ ## name; \
op_table[table_mx + id] = &CPUcore::op_ ## name;
//implementation changes based on E processor state
#define opE(id, name) \
op_table[table_EM + id] = &CPUcore::op_ ## name ## _e; \
op_table[table_MX + id] = &CPUcore::op_ ## name ## _n; \
op_table[table_Mx + id] = &CPUcore::op_ ## name ## _n; \
op_table[table_mX + id] = &CPUcore::op_ ## name ## _n; \
op_table[table_mx + id] = &CPUcore::op_ ## name ## _n; \
//implementation changes based on M processor state
#define opM(id, name) \
op_table[table_EM + id] = &CPUcore::op_ ## name ## _b; \
op_table[table_MX + id] = &CPUcore::op_ ## name ## _b; \
op_table[table_Mx + id] = &CPUcore::op_ ## name ## _b; \
op_table[table_mX + id] = &CPUcore::op_ ## name ## _w; \
op_table[table_mx + id] = &CPUcore::op_ ## name ## _w;
//implementation changes based on X processor state
#define opX(id, name) \
op_table[table_EM + id] = &CPUcore::op_ ## name ## _b; \
op_table[table_MX + id] = &CPUcore::op_ ## name ## _b; \
op_table[table_Mx + id] = &CPUcore::op_ ## name ## _w; \
op_table[table_mX + id] = &CPUcore::op_ ## name ## _b; \
op_table[table_mx + id] = &CPUcore::op_ ## name ## _w;
opE(0x00, brk) opM(0x01, ora_idpx) opE(0x02, cop) opM(0x03, ora_sr)
opM(0x04, tsb_dp) opM(0x05, ora_dp) opM(0x06, asl_dp) opM(0x07, ora_ildp)
opA(0x08, php) opM(0x09, ora_const) opM(0x0a, asl_imm) opE(0x0b, phd)
opM(0x0c, tsb_addr) opM(0x0d, ora_addr) opM(0x0e, asl_addr) opM(0x0f, ora_long)
opA(0x10, bpl) opM(0x11, ora_idpy) opM(0x12, ora_idp) opM(0x13, ora_isry)
opM(0x14, trb_dp) opM(0x15, ora_dpr) opM(0x16, asl_dpx) opM(0x17, ora_ildpy)
opA(0x18, clc) opM(0x19, ora_addry) opM(0x1a, inc_imm) opE(0x1b, tcs)
opM(0x1c, trb_addr) opM(0x1d, ora_addrx) opM(0x1e, asl_addrx) opM(0x1f, ora_longx)
opA(0x20, jsr_addr) opM(0x21, and_idpx) opE(0x22, jsr_long) opM(0x23, and_sr)
opM(0x24, bit_dp) opM(0x25, and_dp) opM(0x26, rol_dp) opM(0x27, and_ildp)
opE(0x28, plp) opM(0x29, and_const) opM(0x2a, rol_imm) opE(0x2b, pld)
opM(0x2c, bit_addr) opM(0x2d, and_addr) opM(0x2e, rol_addr) opM(0x2f, and_long)
opA(0x30, bmi) opM(0x31, and_idpy) opM(0x32, and_idp) opM(0x33, and_isry)
opM(0x34, bit_dpr) opM(0x35, and_dpr) opM(0x36, rol_dpx) opM(0x37, and_ildpy)
opA(0x38, sec) opM(0x39, and_addry) opM(0x3a, dec_imm) opE(0x3b, tsc)
opM(0x3c, bit_addrx) opM(0x3d, and_addrx) opM(0x3e, rol_addrx) opM(0x3f, and_longx)
opE(0x40, rti) opM(0x41, eor_idpx) opA(0x42, wdm) opM(0x43, eor_sr)
opX(0x44, mvp) opM(0x45, eor_dp) opM(0x46, lsr_dp) opM(0x47, eor_ildp)
opM(0x48, pha) opM(0x49, eor_const) opM(0x4a, lsr_imm) opA(0x4b, phk)
opA(0x4c, jmp_addr) opM(0x4d, eor_addr) opM(0x4e, lsr_addr) opM(0x4f, eor_long)
opA(0x50, bvc) opM(0x51, eor_idpy) opM(0x52, eor_idp) opM(0x53, eor_isry)
opX(0x54, mvn) opM(0x55, eor_dpr) opM(0x56, lsr_dpx) opM(0x57, eor_ildpy)
opA(0x58, cli) opM(0x59, eor_addry) opX(0x5a, phy) opA(0x5b, tcd)
opA(0x5c, jmp_long) opM(0x5d, eor_addrx) opM(0x5e, lsr_addrx) opM(0x5f, eor_longx)
opA(0x60, rts) opM(0x61, adc_idpx) opE(0x62, per) opM(0x63, adc_sr)
opM(0x64, stz_dp) opM(0x65, adc_dp) opM(0x66, ror_dp) opM(0x67, adc_ildp)
opM(0x68, pla) opM(0x69, adc_const) opM(0x6a, ror_imm) opE(0x6b, rtl)
opA(0x6c, jmp_iaddr) opM(0x6d, adc_addr) opM(0x6e, ror_addr) opM(0x6f, adc_long)
opA(0x70, bvs) opM(0x71, adc_idpy) opM(0x72, adc_idp) opM(0x73, adc_isry)
opM(0x74, stz_dpr) opM(0x75, adc_dpr) opM(0x76, ror_dpx) opM(0x77, adc_ildpy)
opA(0x78, sei) opM(0x79, adc_addry) opX(0x7a, ply) opA(0x7b, tdc)
opA(0x7c, jmp_iaddrx) opM(0x7d, adc_addrx) opM(0x7e, ror_addrx) opM(0x7f, adc_longx)
opA(0x80, bra) opM(0x81, sta_idpx) opA(0x82, brl) opM(0x83, sta_sr)
opX(0x84, sty_dp) opM(0x85, sta_dp) opX(0x86, stx_dp) opM(0x87, sta_ildp)
opX(0x88, dey_imm) opM(0x89, bit_const) opM(0x8a, txa) opA(0x8b, phb)
opX(0x8c, sty_addr) opM(0x8d, sta_addr) opX(0x8e, stx_addr) opM(0x8f, sta_long)
opA(0x90, bcc) opM(0x91, sta_idpy) opM(0x92, sta_idp) opM(0x93, sta_isry)
opX(0x94, sty_dpr) opM(0x95, sta_dpr) opX(0x96, stx_dpr) opM(0x97, sta_ildpy)
opM(0x98, tya) opM(0x99, sta_addry) opE(0x9a, txs) opX(0x9b, txy)
opM(0x9c, stz_addr) opM(0x9d, sta_addrx) opM(0x9e, stz_addrx) opM(0x9f, sta_longx)
opX(0xa0, ldy_const) opM(0xa1, lda_idpx) opX(0xa2, ldx_const) opM(0xa3, lda_sr)
opX(0xa4, ldy_dp) opM(0xa5, lda_dp) opX(0xa6, ldx_dp) opM(0xa7, lda_ildp)
opX(0xa8, tay) opM(0xa9, lda_const) opX(0xaa, tax) opA(0xab, plb)
opX(0xac, ldy_addr) opM(0xad, lda_addr) opX(0xae, ldx_addr) opM(0xaf, lda_long)
opA(0xb0, bcs) opM(0xb1, lda_idpy) opM(0xb2, lda_idp) opM(0xb3, lda_isry)
opX(0xb4, ldy_dpr) opM(0xb5, lda_dpr) opX(0xb6, ldx_dpr) opM(0xb7, lda_ildpy)
opA(0xb8, clv) opM(0xb9, lda_addry) opX(0xba, tsx) opX(0xbb, tyx)
opX(0xbc, ldy_addrx) opM(0xbd, lda_addrx) opX(0xbe, ldx_addry) opM(0xbf, lda_longx)
opX(0xc0, cpy_const) opM(0xc1, cmp_idpx) opE(0xc2, rep) opM(0xc3, cmp_sr)
opX(0xc4, cpy_dp) opM(0xc5, cmp_dp) opM(0xc6, dec_dp) opM(0xc7, cmp_ildp)
opX(0xc8, iny_imm) opM(0xc9, cmp_const) opX(0xca, dex_imm) opA(0xcb, wai)
opX(0xcc, cpy_addr) opM(0xcd, cmp_addr) opM(0xce, dec_addr) opM(0xcf, cmp_long)
opA(0xd0, bne) opM(0xd1, cmp_idpy) opM(0xd2, cmp_idp) opM(0xd3, cmp_isry)
opE(0xd4, pei) opM(0xd5, cmp_dpr) opM(0xd6, dec_dpx) opM(0xd7, cmp_ildpy)
opA(0xd8, cld) opM(0xd9, cmp_addry) opX(0xda, phx) opA(0xdb, stp)
opA(0xdc, jmp_iladdr) opM(0xdd, cmp_addrx) opM(0xde, dec_addrx) opM(0xdf, cmp_longx)
opX(0xe0, cpx_const) opM(0xe1, sbc_idpx) opE(0xe2, sep) opM(0xe3, sbc_sr)
opX(0xe4, cpx_dp) opM(0xe5, sbc_dp) opM(0xe6, inc_dp) opM(0xe7, sbc_ildp)
opX(0xe8, inx_imm) opM(0xe9, sbc_const) opA(0xea, nop) opA(0xeb, xba)
opX(0xec, cpx_addr) opM(0xed, sbc_addr) opM(0xee, inc_addr) opM(0xef, sbc_long)
opA(0xf0, beq) opM(0xf1, sbc_idpy) opM(0xf2, sbc_idp) opM(0xf3, sbc_isry)
opE(0xf4, pea) opM(0xf5, sbc_dpr) opM(0xf6, inc_dpx) opM(0xf7, sbc_ildpy)
opA(0xf8, sed) opM(0xf9, sbc_addry) opX(0xfa, plx) opA(0xfb, xce)
opE(0xfc, jsr_iaddrx) opM(0xfd, sbc_addrx) opM(0xfe, inc_addrx) opM(0xff, sbc_longx)
#undef opA
#undef opE
#undef opM
#undef opX
}
void CPUcore::update_table() {
if(regs.e) {
opcode_table = &op_table[table_EM];
} else if(regs.p.m) {
if(regs.p.x) {
opcode_table = &op_table[table_MX];
} else {
opcode_table = &op_table[table_Mx];
}
} else {
if(regs.p.x) {
opcode_table = &op_table[table_mX];
} else {
opcode_table = &op_table[table_mx];
}
}
}
#endif

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@macro op_store_addr(name, r)
void {class}::op_{name}_addr_b() {
aa.l = op_readpc();
aa.h = op_readpc();
{lc}op_writedbr(aa.w, {r});
}
void {class}::op_{name}_addr_w() {
aa.l = op_readpc();
aa.h = op_readpc();
op_writedbr(aa.w + 0, {r} >> 0);
{lc}op_writedbr(aa.w + 1, {r} >> 8);
}
@endmacro
@macro op_store_addrr(name, suffix, r, index)
void {class}::op_{name}_addr{suffix}_b() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
{lc}op_writedbr(aa.w + {index}, {r});
}
void {class}::op_{name}_addr{suffix}_w() {
aa.l = op_readpc();
aa.h = op_readpc();
op_io();
op_writedbr(aa.w + {index} + 0, {r} >> 0);
{lc}op_writedbr(aa.w + {index} + 1, {r} >> 8);
}
@endmacro
@macro op_store_longr(name, suffix, index)
void {class}::op_{name}_long{suffix}_b() {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
{lc}op_writelong(aa.d + {index}, regs.a.l);
}
void {class}::op_{name}_long{suffix}_w() {
aa.l = op_readpc();
aa.h = op_readpc();
aa.b = op_readpc();
op_writelong(aa.d + {index} + 0, regs.a.l);
{lc}op_writelong(aa.d + {index} + 1, regs.a.h);
}
@endmacro
@macro op_store_dp(name, r)
void {class}::op_{name}_dp_b() {
dp = op_readpc();
op_io_cond2();
{lc}op_writedp(dp, {r});
}
void {class}::op_{name}_dp_w() {
dp = op_readpc();
op_io_cond2();
op_writedp(dp + 0, {r} >> 0);
{lc}op_writedp(dp + 1, {r} >> 8);
}
@endmacro
@macro op_store_dpr(name, r, index)
void {class}::op_{name}_dpr_b() {
dp = op_readpc();
op_io_cond2();
op_io();
{lc}op_writedp(dp + regs.{index}.w, {r});
}
void {class}::op_{name}_dpr_w() {
dp = op_readpc();
op_io_cond2();
op_io();
op_writedp(dp + regs.{index}.w + 0, {r} >> 0);
{lc}op_writedp(dp + regs.{index}.w + 1, {r} >> 8);
}
@endmacro
@macro op_sta_idp()
void {class}::op_sta_idp_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
{lc}op_writedbr(aa.w, regs.a.l);
}
void {class}::op_sta_idp_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_writedbr(aa.w + 0, regs.a.l);
{lc}op_writedbr(aa.w + 1, regs.a.h);
}
@endmacro
@macro op_sta_ildp()
void {class}::op_sta_ildp_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
{lc}op_writelong(aa.d, regs.a.l);
}
void {class}::op_sta_ildp_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
op_writelong(aa.d + 0, regs.a.l);
{lc}op_writelong(aa.d + 1, regs.a.h);
}
@endmacro
@macro op_sta_idpx()
void {class}::op_sta_idpx_b() {
dp = op_readpc();
op_io_cond2();
op_io();
aa.l = op_readdp(dp + regs.x.w + 0);
aa.h = op_readdp(dp + regs.x.w + 1);
{lc}op_writedbr(aa.w, regs.a.l);
}
void {class}::op_sta_idpx_w() {
dp = op_readpc();
op_io_cond2();
op_io();
aa.l = op_readdp(dp + regs.x.w + 0);
aa.h = op_readdp(dp + regs.x.w + 1);
op_writedbr(aa.w + 0, regs.a.l);
{lc}op_writedbr(aa.w + 1, regs.a.h);
}
@endmacro
@macro op_sta_idpy()
void {class}::op_sta_idpy_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_io();
{lc}op_writedbr(aa.w + regs.y.w, regs.a.l);
}
void {class}::op_sta_idpy_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
op_io();
op_writedbr(aa.w + regs.y.w + 0, regs.a.l);
{lc}op_writedbr(aa.w + regs.y.w + 1, regs.a.h);
}
@endmacro
@macro op_sta_ildpy()
void {class}::op_sta_ildpy_b() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
{lc}op_writelong(aa.d + regs.y.w, regs.a.l);
}
void {class}::op_sta_ildpy_w() {
dp = op_readpc();
op_io_cond2();
aa.l = op_readdp(dp + 0);
aa.h = op_readdp(dp + 1);
aa.b = op_readdp(dp + 2);
op_writelong(aa.d + regs.y.w + 0, regs.a.l);
{lc}op_writelong(aa.d + regs.y.w + 1, regs.a.h);
}
@endmacro
@macro op_sta_sr()
void {class}::op_sta_sr_b() {
sp = op_readpc();
op_io();
{lc}op_writesp(sp, regs.a.l);
}
void {class}::op_sta_sr_w() {
sp = op_readpc();
op_io();
op_writesp(sp + 0, regs.a.l);
{lc}op_writesp(sp + 1, regs.a.h);
}
@endmacro
@macro op_sta_isry()
void {class}::op_sta_isry_b() {
sp = op_readpc();
op_io();
aa.l = op_readsp(sp + 0);
aa.h = op_readsp(sp + 1);
op_io();
{lc}op_writedbr(aa.w + regs.y.w, regs.a.l);
}
void {class}::op_sta_isry_w() {
sp = op_readpc();
op_io();
aa.l = op_readsp(sp + 0);
aa.h = op_readsp(sp + 1);
op_io();
op_writedbr(aa.w + regs.y.w + 0, regs.a.l);
{lc}op_writedbr(aa.w + regs.y.w + 1, regs.a.h);
}
@endmacro

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struct flag_t {
bool n, v, m, x, d, i, z, c;
inline operator unsigned() const {
return (n << 7) + (v << 6) + (m << 5) + (x << 4)
+ (d << 3) + (i << 2) + (z << 1) + (c << 0);
}
inline unsigned operator=(uint8_t data) {
n = data & 0x80; v = data & 0x40; m = data & 0x20; x = data & 0x10;
d = data & 0x08; i = data & 0x04; z = data & 0x02; c = data & 0x01;
return data;
}
inline unsigned operator|=(unsigned data) { return operator=(operator unsigned() | data); }
inline unsigned operator^=(unsigned data) { return operator=(operator unsigned() ^ data); }
inline unsigned operator&=(unsigned data) { return operator=(operator unsigned() & data); }
flag_t() : n(0), v(0), m(0), x(0), d(0), i(0), z(0), c(0) {}
};
struct reg16_t {
union {
uint16 w;
struct { uint8 order_lsb2(l, h); };
};
inline operator unsigned() const { return w; }
inline unsigned operator = (unsigned i) { return w = i; }
inline unsigned operator |= (unsigned i) { return w |= i; }
inline unsigned operator ^= (unsigned i) { return w ^= i; }
inline unsigned operator &= (unsigned i) { return w &= i; }
inline unsigned operator <<= (unsigned i) { return w <<= i; }
inline unsigned operator >>= (unsigned i) { return w >>= i; }
inline unsigned operator += (unsigned i) { return w += i; }
inline unsigned operator -= (unsigned i) { return w -= i; }
inline unsigned operator *= (unsigned i) { return w *= i; }
inline unsigned operator /= (unsigned i) { return w /= i; }
inline unsigned operator %= (unsigned i) { return w %= i; }
reg16_t() : w(0) {}
};
struct reg24_t {
union {
uint32 d;
struct { uint16 order_lsb2(w, wh); };
struct { uint8 order_lsb4(l, h, b, bh); };
};
inline operator unsigned() const { return d; }
inline unsigned operator = (unsigned i) { return d = uclip<24>(i); }
inline unsigned operator |= (unsigned i) { return d = uclip<24>(d | i); }
inline unsigned operator ^= (unsigned i) { return d = uclip<24>(d ^ i); }
inline unsigned operator &= (unsigned i) { return d = uclip<24>(d & i); }
inline unsigned operator <<= (unsigned i) { return d = uclip<24>(d << i); }
inline unsigned operator >>= (unsigned i) { return d = uclip<24>(d >> i); }
inline unsigned operator += (unsigned i) { return d = uclip<24>(d + i); }
inline unsigned operator -= (unsigned i) { return d = uclip<24>(d - i); }
inline unsigned operator *= (unsigned i) { return d = uclip<24>(d * i); }
inline unsigned operator /= (unsigned i) { return d = uclip<24>(d / i); }
inline unsigned operator %= (unsigned i) { return d = uclip<24>(d % i); }
reg24_t() : d(0) {}
};
struct regs_t {
reg24_t pc;
reg16_t a, x, y, s, d;
flag_t p;
uint8_t db;
bool e;
bool irq; //IRQ pin (0 = low, 1 = trigger)
bool wai; //raised during wai, cleared after interrupt triggered
uint8_t mdr; //memory data register
regs_t() : db(0), e(false), irq(false), wai(false), mdr(0) {}
};

175
tools/bsnes/lib/bpp/bpp.cpp Executable file
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#include "bpp.hpp"
bool BPP::process_macro(Macro &macro, const lstring &arg) {
lstring linedata;
linedata.split("\n", macro.data);
for(unsigned i = 0; i < linedata.size(); i++) {
string line = linedata[i];
for(unsigned j = 0; j < macro.args; j++) {
line.replace(macro.arg[j], arg[j]);
}
for(unsigned j = 0; j < global.size(); j++) {
line.replace(global[j].name, global[j].data);
}
output.print(string() << line << "\n");
}
return true;
}
bool BPP::process(const char *inputfn) {
string filedata;
if(filedata.readfile(inputfn) == false) {
fprintf(stdout, "error: failed to open input file '%s'\n", inputfn);
return false;
}
filedata.replace("\r", "");
lstring linedata;
linedata.split("\n", filedata);
for(unsigned i = 0; i < linedata.size();) {
string line = linedata[i];
trim(line);
line.replace("\t", " ");
if(strbegin(line, "@") == false) {
output.print(string() << linedata[i] << "\n");
i++;
} else if(strbegin(line, "@include ")) {
ltrim(line, "@include ");
trim(line, "\"");
if(process(line) == false) return false;
i++;
} else if(strbegin(line, "@global ")) {
ltrim(line, "@global ");
while(qstrpos(line, " ") >= 0) line.replace(" ", " ");
lstring part;
part.qsplit(" ", line);
if(part.size() != 2) {
fprintf(stdout, "error: malformed global\n");
return false;
}
unsigned n = global.size();
global[n].name = string() << "{" << part[0] << "}";
global[n].data = trim(part[1], "\"");
i++;
} else if(strbegin(line, "@macro ")) {
ltrim(line, "@macro ");
int pos = strpos(line, "(");
if(pos < 0 || !strend(line, ")")) {
fprintf(stdout, "error: malformed macro\n");
return false;
}
string name = substr(line, 0, pos);
line = substr(line, pos);
ltrim(line, "(");
rtrim(line, ")");
line.qreplace(" ", "");
unsigned n = macro.size();
macro[n].name = name;
if(line == "") {
macro[n].args = 0;
} else {
lstring arg;
arg.split(",", line);
if(arg.size() >= 8) {
fprintf(stdout, "error: too many macro arguments\n");
return false;
}
macro[n].args = arg.size();
for(unsigned j = 0; j < arg.size(); j++) {
macro[n].arg[j] = string() << "{" << arg[j] << "}";
}
}
i++;
while(i < linedata.size()) {
string line = linedata[i];
trim(line);
if(line == "@endmacro") break;
macro[n].data << linedata[i++] << "\n";
}
i++;
} else {
ltrim(line, "@");
int pos = strpos(line, "(");
if(pos < 0 || !strend(line, ")")) {
fprintf(stdout, "error: malformed macro invocation\n");
return false;
}
string name = substr(line, 0, pos);
line = substr(line, pos);
ltrim(line, "(");
rtrim(line, ")");
line.qreplace(" ", "");
lstring arg;
if(line != "") arg.qsplit(",", line);
for(unsigned j = 0; j < arg.size(); j++) {
trim(arg[j], "\"");
}
bool success = false;
for(unsigned j = 0; j < macro.size(); j++) {
if(name == macro[j].name && arg.size() == macro[j].args) {
success = process_macro(macro[j], arg);
break;
}
}
if(success == false) {
fprintf(stdout, "error: unable to process macro '%s'\n", (const char*)name);
return false;
}
i++;
}
}
return true;
}
bool BPP::process(const char *outputfn, const char *inputfn) {
if(file::exists(inputfn) == false) {
fprintf(stdout, "error: failed to open input file\n");
return false;
}
if(output.open(outputfn, file::mode_write) == false) {
fprintf(stdout, "error: failed to open output file\n");
return false;
}
bool result = process(inputfn);
output.close();
return result;
}
int main(int argc, const char **argv) {
if(argc != 3) {
fprintf(stdout, "bpp v0.01\n");
fprintf(stdout, "author: byuu\n");
fprintf(stdout, "usage: bpp output input\n");
return 0;
}
BPP bpp;
bool success = bpp.process(argv[1], argv[2]);
if(success == false) fprintf(stdout, "error: pre-processing failed\n");
return 0;
}

31
tools/bsnes/lib/bpp/bpp.hpp Executable file
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#include <nall/array.hpp>
#include <nall/file.hpp>
#include <nall/stdint.hpp>
#include <nall/string.hpp>
#include <nall/vector.hpp>
using namespace nall;
class BPP {
public:
bool process(const char *outputfn, const char *inputfn);
private:
nall::file output;
struct Global {
string name;
string data;
};
vector<Global> global;
struct Macro {
string name;
unsigned args;
string arg[8];
string data;
};
vector<Macro> macro;
bool process_macro(Macro &macro, const lstring &arg);
bool process(const char *inputfn);
};

28
tools/bsnes/lib/libjma/7z.h Executable file
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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __7Z_H
#define __7Z_H
#include "iiostrm.h"
bool decompress_lzma_7z(ISequentialInStream& in, unsigned in_size, ISequentialOutStream& out, unsigned out_size) throw ();
bool decompress_lzma_7z(const unsigned char* in_data, unsigned in_size, unsigned char* out_data, unsigned out_size) throw ();
#endif

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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "7z.h"
#include "lzmadec.h"
bool decompress_lzma_7z(ISequentialInStream& in, unsigned in_size, ISequentialOutStream& out, unsigned out_size) throw ()
{
try
{
NCompress::NLZMA::CDecoder cc;
UINT64 in_size_l = in_size;
UINT64 out_size_l = out_size;
if (cc.ReadCoderProperties(&in) != S_OK) { return(false); }
if (cc.Code(&in, &out, &in_size_l, &out_size_l) != S_OK) { return(false); }
if (out.size_get() != out_size || out.overflow_get()) { return(false); }
return(true);
}
catch (...)
{
return(false);
}
}
bool decompress_lzma_7z(const unsigned char* in_data, unsigned int in_size, unsigned char* out_data, unsigned int out_size) throw ()
{
ISequentialInStream_Array in(reinterpret_cast<const char*>(in_data), in_size);
ISequentialOutStream_Array out(reinterpret_cast<char*>(out_data), out_size);
return(decompress_lzma_7z(in, in_size, out, out_size));
}

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#ifndef __COMPRESSION_BITCODER_H
#define __COMPRESSION_BITCODER_H
#include "rngcoder.h"
namespace NCompression {
namespace NArithmetic {
const int kNumBitModelTotalBits = 11;
const UINT32 kBitModelTotal = (1 << kNumBitModelTotalBits);
const int kNumMoveReducingBits = 2;
/////////////////////////////
// CBitModel
template <int aNumMoveBits>
class CBitModel
{
public:
UINT32 m_Probability;
void UpdateModel(UINT32 aSymbol)
{
/*
m_Probability -= (m_Probability + ((aSymbol - 1) & ((1 << aNumMoveBits) - 1))) >> aNumMoveBits;
m_Probability += (1 - aSymbol) << (kNumBitModelTotalBits - aNumMoveBits);
*/
if (aSymbol == 0)
m_Probability += (kBitModelTotal - m_Probability) >> aNumMoveBits;
else
m_Probability -= (m_Probability) >> aNumMoveBits;
}
public:
void Init() { m_Probability = kBitModelTotal / 2; }
};
template <int aNumMoveBits>
class CBitDecoder: public CBitModel<aNumMoveBits>
{
public:
UINT32 Decode(CRangeDecoder *aRangeDecoder)
{
UINT32 aNewBound = (aRangeDecoder->m_Range >> kNumBitModelTotalBits) * CBitModel<aNumMoveBits>::m_Probability;
if (aRangeDecoder->m_Code < aNewBound)
{
aRangeDecoder->m_Range = aNewBound;
CBitModel<aNumMoveBits>::m_Probability += (kBitModelTotal - CBitModel<aNumMoveBits>::m_Probability) >> aNumMoveBits;
if (aRangeDecoder->m_Range < kTopValue)
{
aRangeDecoder->m_Code = (aRangeDecoder->m_Code << 8) | aRangeDecoder->m_Stream.ReadByte();
aRangeDecoder->m_Range <<= 8;
}
return 0;
}
else
{
aRangeDecoder->m_Range -= aNewBound;
aRangeDecoder->m_Code -= aNewBound;
CBitModel<aNumMoveBits>::m_Probability -= (CBitModel<aNumMoveBits>::m_Probability) >> aNumMoveBits;
if (aRangeDecoder->m_Range < kTopValue)
{
aRangeDecoder->m_Code = (aRangeDecoder->m_Code << 8) | aRangeDecoder->m_Stream.ReadByte();
aRangeDecoder->m_Range <<= 8;
}
return 1;
}
}
};
}}
#endif

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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ARICONST_H
#define __ARICONST_H
#include "aribitcd.h"
typedef NCompression::NArithmetic::CRangeDecoder CMyRangeDecoder;
template <int aNumMoveBits> class CMyBitDecoder:
public NCompression::NArithmetic::CBitDecoder<aNumMoveBits> {};
#endif

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#ifndef __COMPRESSION_ARIPRICE_H
#define __COMPRESSION_ARIPRICE_H
namespace NCompression {
namespace NArithmetic {
const UINT32 kNumBitPriceShiftBits = 6;
const UINT32 kBitPrice = 1 << kNumBitPriceShiftBits;
}}
#endif

126
tools/bsnes/lib/libjma/btreecd.h Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __BITTREECODER_H
#define __BITTREECODER_H
#include "aribitcd.h"
#include "rcdefs.h"
//////////////////////////
// CBitTreeDecoder
template <int aNumMoveBits, UINT32 m_NumBitLevels>
class CBitTreeDecoder
{
CMyBitDecoder<aNumMoveBits> m_Models[1 << m_NumBitLevels];
public:
void Init()
{
for(UINT32 i = 1; i < (1 << m_NumBitLevels); i++)
m_Models[i].Init();
}
UINT32 Decode(CMyRangeDecoder *aRangeDecoder)
{
UINT32 aModelIndex = 1;
RC_INIT_VAR
for(UINT32 aBitIndex = m_NumBitLevels; aBitIndex > 0; aBitIndex--)
{
// aModelIndex = (aModelIndex << 1) + m_Models[aModelIndex].Decode(aRangeDecoder);
RC_GETBIT(aNumMoveBits, m_Models[aModelIndex].m_Probability, aModelIndex)
}
RC_FLUSH_VAR
return aModelIndex - (1 << m_NumBitLevels);
};
};
////////////////////////////////
// CReverseBitTreeDecoder
template <int aNumMoveBits>
class CReverseBitTreeDecoder2
{
CMyBitDecoder<aNumMoveBits> *m_Models;
UINT32 m_NumBitLevels;
public:
CReverseBitTreeDecoder2(): m_Models(0) { }
~CReverseBitTreeDecoder2() { delete []m_Models; }
bool Create(UINT32 aNumBitLevels)
{
m_NumBitLevels = aNumBitLevels;
m_Models = new CMyBitDecoder<aNumMoveBits>[1 << aNumBitLevels];
return (m_Models != 0);
}
void Init()
{
UINT32 aNumModels = 1 << m_NumBitLevels;
for(UINT32 i = 1; i < aNumModels; i++)
m_Models[i].Init();
}
UINT32 Decode(CMyRangeDecoder *aRangeDecoder)
{
UINT32 aModelIndex = 1;
UINT32 aSymbol = 0;
RC_INIT_VAR
for(UINT32 aBitIndex = 0; aBitIndex < m_NumBitLevels; aBitIndex++)
{
// UINT32 aBit = m_Models[aModelIndex].Decode(aRangeDecoder);
// aModelIndex <<= 1;
// aModelIndex += aBit;
// aSymbol |= (aBit << aBitIndex);
RC_GETBIT2(aNumMoveBits, m_Models[aModelIndex].m_Probability, aModelIndex, ; , aSymbol |= (1 << aBitIndex))
}
RC_FLUSH_VAR
return aSymbol;
};
};
////////////////////////////
// CReverseBitTreeDecoder2
template <int aNumMoveBits, UINT32 m_NumBitLevels>
class CReverseBitTreeDecoder
{
CMyBitDecoder<aNumMoveBits> m_Models[1 << m_NumBitLevels];
public:
void Init()
{
for(UINT32 i = 1; i < (1 << m_NumBitLevels); i++)
m_Models[i].Init();
}
UINT32 Decode(CMyRangeDecoder *aRangeDecoder)
{
UINT32 aModelIndex = 1;
UINT32 aSymbol = 0;
RC_INIT_VAR
for(UINT32 aBitIndex = 0; aBitIndex < m_NumBitLevels; aBitIndex++)
{
// UINT32 aBit = m_Models[aModelIndex].Decode(aRangeDecoder);
// aModelIndex <<= 1;
// aModelIndex += aBit;
// aSymbol |= (aBit << aBitIndex);
RC_GETBIT2(aNumMoveBits, m_Models[aModelIndex].m_Probability, aModelIndex, ; , aSymbol |= (1 << aBitIndex))
}
RC_FLUSH_VAR
return aSymbol;
}
};
#endif

26
tools/bsnes/lib/libjma/crc32.h Executable file
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/*
Copyright (C) 2004-2007 NSRT Team ( http://nsrt.edgeemu.com )
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef CRC32_H
#define CRC32_H
namespace CRC32lib
{
unsigned int CRC32(const unsigned char *, size_t, register unsigned int crc32 = 0xFFFFFFFF);
}
#endif

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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "portable.h"
#include "iiostrm.h"
#include "crc32.h"
HRESULT ISequentialInStream_Array::Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
if (aSize > size)
{
aSize = size;
}
*aProcessedSize = aSize;
memcpy(aData, data, aSize);
size -= aSize;
data += aSize;
return(S_OK);
}
HRESULT ISequentialOutStream_Array::Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
if (aSize > size)
{
overflow = true;
aSize = size;
}
*aProcessedSize = aSize;
memcpy(data, aData, aSize);
size -= aSize;
data += aSize;
total += aSize;
return(S_OK);
}
HRESULT ISequentialInStream_String::Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
if (aSize > data.size())
{
aSize = data.size();
}
*aProcessedSize = aSize;
memcpy(aData, data.c_str(), aSize);
data.erase(0, aSize);
return(S_OK);
}
HRESULT ISequentialOutStream_String::Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
*aProcessedSize = aSize;
data.append((const char *)aData, aSize);
total += aSize;
return(S_OK);
}
HRESULT ISequentialInStream_Istream::Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
data.read((char *)aData, aSize);
*aProcessedSize = data.gcount();
return(S_OK);
}
HRESULT ISequentialOutStream_Ostream::Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
*aProcessedSize = aSize;
data.write((char *)aData, aSize);
total += aSize;
return(S_OK);
}
HRESULT ISequentialInStreamCRC32_Array::Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
ISequentialInStream_Array::Read(aData, aSize, aProcessedSize);
crc32 = CRC32lib::CRC32((const unsigned char *)aData, *aProcessedSize, ~crc32);
return(S_OK);
}
HRESULT ISequentialOutStreamCRC32_Array::Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
ISequentialOutStream_Array::Write(aData, aSize, aProcessedSize);
crc32 = CRC32lib::CRC32((const unsigned char *)aData, *aProcessedSize, ~crc32);
return(S_OK);
}
HRESULT ISequentialInStreamCRC32_String::Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
ISequentialInStream_String::Read(aData, aSize, aProcessedSize);
crc32 = CRC32lib::CRC32((const unsigned char *)aData, *aProcessedSize, ~crc32);
return(S_OK);
}
HRESULT ISequentialOutStreamCRC32_String::Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
ISequentialOutStream_String::Write(aData, aSize, aProcessedSize);
crc32 = CRC32lib::CRC32((const unsigned char *)aData, *aProcessedSize, ~crc32);
return(S_OK);
}
HRESULT ISequentialInStreamCRC32_Istream::Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
ISequentialInStream_Istream::Read(aData, aSize, aProcessedSize);
crc32 = CRC32lib::CRC32((const unsigned char *)aData, *aProcessedSize, ~crc32);
return(S_OK);
}
HRESULT ISequentialOutStreamCRC32_Ostream::Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize)
{
ISequentialOutStream_Ostream::Write(aData, aSize, aProcessedSize);
crc32 = CRC32lib::CRC32((const unsigned char *)aData, *aProcessedSize, ~crc32);
return(S_OK);
}

210
tools/bsnes/lib/libjma/iiostrm.h Executable file
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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __IINOUTSTREAMS_H
#define __IINOUTSTREAMS_H
#include <string>
#include <fstream>
#include "portable.h"
class ISequentialInStream
{
public:
virtual HRESULT Read(void *, UINT32, UINT32 *) = 0;
virtual ~ISequentialInStream() {}
};
class ISequentialInStream_Array : public ISequentialInStream
{
const char *data;
unsigned int size;
public:
ISequentialInStream_Array(const char *Adata, unsigned Asize) : data(Adata), size(Asize) { }
HRESULT Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialInStream_Array() {}
};
class ISequentialInStream_String : public ISequentialInStream
{
std::string& data;
public:
ISequentialInStream_String(std::string& Adata) : data(Adata) { }
HRESULT Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialInStream_String() {}
};
class ISequentialInStream_Istream : public ISequentialInStream
{
std::istream& data;
public:
ISequentialInStream_Istream(std::istream& Adata) : data(Adata) { }
HRESULT Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialInStream_Istream() {}
};
class ISequentialOutStream
{
public:
virtual bool overflow_get() const = 0;
virtual unsigned int size_get() const = 0;
virtual HRESULT Write(const void *, UINT32, UINT32 *) = 0;
virtual ~ISequentialOutStream() {}
};
class ISequentialOutStream_Array : public ISequentialOutStream
{
char *data;
unsigned int size;
bool overflow;
unsigned int total;
public:
ISequentialOutStream_Array(char *Adata, unsigned Asize) : data(Adata), size(Asize), overflow(false), total(0) { }
bool overflow_get() const { return(overflow); }
unsigned int size_get() const { return(total); }
HRESULT Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialOutStream_Array() {}
};
class ISequentialOutStream_String : public ISequentialOutStream
{
std::string& data;
unsigned int total;
public:
ISequentialOutStream_String(std::string& Adata) : data(Adata), total(0) { }
bool overflow_get() const { return(false); }
unsigned int size_get() const { return(total); }
HRESULT Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialOutStream_String() {}
};
class ISequentialOutStream_Ostream : public ISequentialOutStream
{
std::ostream& data;
unsigned int total;
public:
ISequentialOutStream_Ostream(std::ostream& Adata) : data(Adata), total(0) { }
bool overflow_get() const { return(false); }
unsigned int size_get() const { return(total); }
HRESULT Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialOutStream_Ostream() {}
};
class ISequentialStreamCRC32
{
protected:
unsigned int crc32;
public:
ISequentialStreamCRC32() : crc32(0) {}
unsigned int crc32_get() const { return(crc32); }
virtual ~ISequentialStreamCRC32() {}
};
class ISequentialInStreamCRC32_Array : public ISequentialInStream_Array, public ISequentialStreamCRC32
{
public:
ISequentialInStreamCRC32_Array(const char *Adata, unsigned Asize) : ISequentialInStream_Array(Adata, Asize) { }
HRESULT Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialInStreamCRC32_Array() {}
};
class ISequentialInStreamCRC32_String : public ISequentialInStream_String, public ISequentialStreamCRC32
{
public:
ISequentialInStreamCRC32_String(std::string& Adata) : ISequentialInStream_String(Adata) { }
HRESULT Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialInStreamCRC32_String() {}
};
class ISequentialInStreamCRC32_Istream : public ISequentialInStream_Istream, public ISequentialStreamCRC32
{
public:
ISequentialInStreamCRC32_Istream(std::istream& Adata) : ISequentialInStream_Istream(Adata) { }
HRESULT Read(void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialInStreamCRC32_Istream() {}
};
class ISequentialOutStreamCRC32_Array : public ISequentialOutStream_Array, public ISequentialStreamCRC32
{
public:
ISequentialOutStreamCRC32_Array(char *Adata, unsigned Asize) : ISequentialOutStream_Array(Adata, Asize) { }
HRESULT Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialOutStreamCRC32_Array() {}
};
class ISequentialOutStreamCRC32_String : public ISequentialOutStream_String, public ISequentialStreamCRC32
{
public:
ISequentialOutStreamCRC32_String(std::string& Adata) : ISequentialOutStream_String(Adata) { }
HRESULT Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialOutStreamCRC32_String() {}
};
class ISequentialOutStreamCRC32_Ostream : public ISequentialOutStream_Ostream, public ISequentialStreamCRC32
{
public:
ISequentialOutStreamCRC32_Ostream(std::ostream& Adata) : ISequentialOutStream_Ostream(Adata) { }
HRESULT Write(const void *aData, UINT32 aSize, UINT32 *aProcessedSize);
virtual ~ISequentialOutStreamCRC32_Ostream() {}
};
#endif

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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "inbyte.h"
namespace NStream{
CInByte::CInByte(UINT32 aBufferSize):
m_BufferBase(0),
m_BufferSize(aBufferSize)
{
m_BufferBase = new BYTE[m_BufferSize];
}
CInByte::~CInByte()
{
delete []m_BufferBase;
}
void CInByte::Init(ISequentialInStream *aStream)
{
m_Stream = aStream;
m_ProcessedSize = 0;
m_Buffer = m_BufferBase;
m_BufferLimit = m_Buffer;
m_StreamWasExhausted = false;
}
bool CInByte::ReadBlock()
{
if (m_StreamWasExhausted)
return false;
m_ProcessedSize += (m_Buffer - m_BufferBase);
UINT32 aNumProcessedBytes;
HRESULT aResult = m_Stream->Read(m_BufferBase, m_BufferSize, &aNumProcessedBytes);
if (aResult != S_OK)
throw aResult;
m_Buffer = m_BufferBase;
m_BufferLimit = m_Buffer + aNumProcessedBytes;
m_StreamWasExhausted = (aNumProcessedBytes == 0);
return (!m_StreamWasExhausted);
}
}

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tools/bsnes/lib/libjma/inbyte.h Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __STREAM_INBYTE_H
#define __STREAM_INBYTE_H
#include "iiostrm.h"
namespace NStream {
class CInByte
{
UINT64 m_ProcessedSize;
BYTE *m_BufferBase;
UINT32 m_BufferSize;
BYTE *m_Buffer;
BYTE *m_BufferLimit;
ISequentialInStream* m_Stream;
bool m_StreamWasExhausted;
bool ReadBlock();
public:
CInByte(UINT32 aBufferSize = 0x100000);
~CInByte();
void Init(ISequentialInStream *aStream);
bool ReadByte(BYTE &aByte)
{
if(m_Buffer >= m_BufferLimit)
if(!ReadBlock())
return false;
aByte = *m_Buffer++;
return true;
}
BYTE ReadByte()
{
if(m_Buffer >= m_BufferLimit)
if(!ReadBlock())
return 0x0;
return *m_Buffer++;
}
void ReadBytes(void *aData, UINT32 aSize, UINT32 &aProcessedSize)
{
for(aProcessedSize = 0; aProcessedSize < aSize; aProcessedSize++)
if (!ReadByte(((BYTE *)aData)[aProcessedSize]))
return;
}
bool ReadBytes(void *aData, UINT32 aSize)
{
UINT32 aProcessedSize;
ReadBytes(aData, aSize, aProcessedSize);
return (aProcessedSize == aSize);
}
UINT64 GetProcessedSize() const { return m_ProcessedSize + (m_Buffer - m_BufferBase); }
};
}
#endif

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/*
Copyright (C) 2004-2007 NSRT Team ( http://nsrt.edgeemu.com )
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdlib.h>
namespace CRC32lib
{
//Don't ask questions, this is the PKZip CRC32 table
const unsigned int crc32Table[256] = {
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d };
//CRC32 for char arrays
unsigned int CRC32(const unsigned char *array, size_t size, register unsigned int crc32)
{
const unsigned char *end_p = array+size;
for (register const unsigned char *p = array; p < end_p; p++)
{
crc32 = ((crc32 >> 8) & 0x00FFFFFF) ^ crc32Table[(crc32 ^ *p) & 0xFF];
}
return(~crc32);
}
}

550
tools/bsnes/lib/libjma/jma.cpp Executable file
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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <sstream>
#include "jma.h"
using namespace std;
#include "portable.h"
#include "7z.h"
#include "crc32.h"
namespace JMA
{
const char jma_magic[] = { 'J', 'M', 'A', 0, 'N' };
const unsigned int jma_header_length = 5;
const unsigned char jma_version = 1;
const unsigned int jma_version_length = 1;
const unsigned int jma_total_header_length = jma_header_length + jma_version_length + UINT_SIZE;
//Convert DOS/zip/JMA integer time to to time_t
time_t uint_to_time(unsigned short date, unsigned short time)
{
tm formatted_time;
formatted_time.tm_mday = date & 0x1F;
formatted_time.tm_mon = ((date >> 5) & 0xF) - 1;
formatted_time.tm_year = ((date >> 9) & 0x7f) + 80;
formatted_time.tm_sec = (time & 0x1F) * 2;
formatted_time.tm_min = (time >> 5) & 0x3F;
formatted_time.tm_hour = (time >> 11) & 0x1F;
return(mktime(&formatted_time));
}
//Retreive the file block, what else?
void jma_open::retrieve_file_block() throw(jma_errors)
{
unsigned char uint_buffer[UINT_SIZE];
unsigned char ushort_buffer[USHORT_SIZE];
//File block size is the last UINT in the file
stream.seekg(-UINT_SIZE,ios::end);
stream.read((char *)uint_buffer, UINT_SIZE);
size_t file_block_size = charp_to_uint(uint_buffer);
//Currently at the end of the file, so that's the file size
size_t jma_file_size = stream.tellg();
//The file block can't be larger than the JMA file without it's header.
//This if can probably be improved
if (file_block_size >= jma_file_size-jma_total_header_length)
{
throw(JMA_BAD_FILE);
}
//Seek to before file block so we can read the file block
stream.seekg(-((int)file_block_size+UINT_SIZE),ios::end);
//This is needed if the file block is compressed
stringstream decompressed_file_block;
//Pointer to where to read file block from (file or decompressed buffer)
istream *file_block_stream;
//Setup file info buffer and byte to read with
jma_file_info file_info;
char byte;
stream.get(byte);
if (!byte) //If file block is compressed
{
//Compressed size isn't counting the byte we just read or the UINT for compressed size
size_t compressed_size = file_block_size - (1+UINT_SIZE);
//Read decompressed size / true file block size
stream.read((char *)uint_buffer, UINT_SIZE);
file_block_size = charp_to_uint(uint_buffer);
//Setup access methods for decompression
ISequentialInStream_Istream compressed_data(stream);
ISequentialOutStream_Ostream decompressed_data(decompressed_file_block);
//Decompress the data
if (!decompress_lzma_7z(compressed_data, compressed_size, decompressed_data, file_block_size))
{
throw(JMA_DECOMPRESS_FAILED);
}
//Go to beginning, setup pointer to buffer
decompressed_file_block.seekg(0, ios::beg);
file_block_stream = &decompressed_file_block;
}
else
{
stream.putback(byte); //Putback byte, byte is part of filename, not compressed indicator
file_block_stream = &stream;
}
//Minimum file name length is 2 bytes, a char and a null
//Minimum comment length is 1 byte, a null
//There are currently 2 UINTs and 2 USHORTs per file
while (file_block_size >= 2+1+UINT_SIZE*2+USHORT_SIZE*2) //This does allow for a gap, but that's okay
{
//First stored in the file block is the file name null terminated
file_info.name = "";
file_block_stream->get(byte);
while (byte)
{
file_info.name += byte;
file_block_stream->get(byte);
}
//There must be a file name or the file is bad
if (!file_info.name.length())
{
throw(JMA_BAD_FILE);
}
//Same trick as above for the comment
file_info.comment = "";
file_block_stream->get(byte);
while (byte)
{
file_info.comment += byte;
file_block_stream->get(byte);
}
//Next is a UINT representing the file's size
file_block_stream->read((char *)uint_buffer, UINT_SIZE);
file_info.size = charp_to_uint(uint_buffer);
//Followed by CRC32
file_block_stream->read((char *)uint_buffer, UINT_SIZE);
file_info.crc32 = charp_to_uint(uint_buffer);
//Special USHORT representation of file's date
file_block_stream->read((char *)ushort_buffer, USHORT_SIZE);
file_info.date = charp_to_ushort(ushort_buffer);
//Special USHORT representation of file's time
file_block_stream->read((char *)ushort_buffer, USHORT_SIZE);
file_info.time = charp_to_ushort(ushort_buffer);
file_info.buffer = 0; //Pointing to null till we decompress files
files.push_back(file_info); //Put file info into our structure
//Subtract size of the file info we just read
file_block_size -= file_info.name.length()+file_info.comment.length()+2+UINT_SIZE*2+USHORT_SIZE*2;
}
}
//Constructor for opening JMA files for reading
jma_open::jma_open(const char *compressed_file_name) throw (jma_errors)
{
decompressed_buffer = 0;
compressed_buffer = 0;
stream.open(compressed_file_name, ios::in | ios::binary);
if (!stream.is_open())
{
throw(JMA_NO_OPEN);
}
//Header is "JMA\0N"
unsigned char header[jma_header_length];
stream.read((char *)header, jma_header_length);
if (memcmp(jma_magic, header, jma_header_length))
{
throw(JMA_BAD_FILE);
}
//Not the cleanest code but logical
stream.read((char *)header, 5);
if (*header <= jma_version)
{
chunk_size = charp_to_uint(header+1); //Chunk size is a UINT that follows version #
retrieve_file_block();
}
else
{
throw(JMA_UNSUPPORTED_VERSION);
}
}
//Destructor only has to close the stream if neccesary
jma_open::~jma_open()
{
if (stream.is_open())
{
stream.close();
}
}
//Return a vector containing useful info about the files in the JMA
vector<jma_public_file_info> jma_open::get_files_info()
{
vector<jma_public_file_info> file_info_vector;
jma_public_file_info file_info;
for (vector<jma_file_info>::iterator i = files.begin(); i != files.end(); i++)
{
file_info.name = i->name;
file_info.comment = i->comment;
file_info.size = i->size;
file_info.datetime = uint_to_time(i->date, i->time);
file_info.crc32 = i->crc32;
file_info_vector.push_back(file_info);
}
return(file_info_vector);
}
//Skip forward a given number of chunks
void jma_open::chunk_seek(unsigned int chunk_num) throw(jma_errors)
{
//Check the stream is open
if (!stream.is_open())
{
throw(JMA_NO_OPEN);
}
//Clear possible errors so the seek will work
stream.clear();
//Move forward over header
stream.seekg(jma_total_header_length, ios::beg);
unsigned char int4_buffer[UINT_SIZE];
while (chunk_num--)
{
//Read in size of chunk
stream.read((char *)int4_buffer, UINT_SIZE);
//Skip chunk plus it's CRC32
stream.seekg(charp_to_uint(int4_buffer)+UINT_SIZE, ios::cur);
}
}
//Return a vector of pointers to each file in the JMA, the buffer to hold all the files
//must be initilized outside.
vector<unsigned char *> jma_open::get_all_files(unsigned char *buffer) throw(jma_errors)
{
//If there's no stream we can't read from it, so exit
if (!stream.is_open())
{
throw(JMA_NO_OPEN);
}
//Seek to the first chunk
chunk_seek(0);
//Set the buffer that decompressed data goes to
decompressed_buffer = buffer;
//If the JMA is not solid
if (chunk_size)
{
unsigned char int4_buffer[UINT_SIZE];
size_t size = get_total_size(files);
//For each chunk in the file...
for (size_t remaining_size = size; remaining_size; remaining_size -= chunk_size)
{
//Read the compressed size
stream.read((char *)int4_buffer, UINT_SIZE);
size_t compressed_size = charp_to_uint(int4_buffer);
//Allocate memory of the correct size to hold the compressed data in the JMA
//Throw error on failure as that is unrecoverable from
try
{
compressed_buffer = new unsigned char[compressed_size];
}
catch (bad_alloc xa)
{
throw(JMA_NO_MEM_ALLOC);
}
//Read all the compressed data in
stream.read((char *)compressed_buffer, compressed_size);
//Read the expected CRC of compressed data from the file
stream.read((char *)int4_buffer, UINT_SIZE);
//If it doesn't match, throw error and cleanup memory
if (CRC32lib::CRC32(compressed_buffer, compressed_size) != charp_to_uint(int4_buffer))
{
delete[] compressed_buffer;
throw(JMA_BAD_FILE);
}
//Decompress the data, cleanup memory on failure
if (!decompress_lzma_7z(compressed_buffer, compressed_size,
decompressed_buffer+size-remaining_size,
(remaining_size > chunk_size) ? chunk_size : remaining_size))
{
delete[] compressed_buffer;
throw(JMA_DECOMPRESS_FAILED);
}
delete[] compressed_buffer;
if (remaining_size <= chunk_size) //If we just decompressed the remainder
{
break;
}
}
}
else //Solidly compressed JMA
{
unsigned char int4_buffer[UINT_SIZE];
//Read the size of the compressed data
stream.read((char *)int4_buffer, UINT_SIZE);
size_t compressed_size = charp_to_uint(int4_buffer);
//Get decompressed size
size_t size = get_total_size(files);
//Setup access methods for decompression
ISequentialInStream_Istream compressed_data(stream);
ISequentialOutStream_Array decompressed_data(reinterpret_cast<char*>(decompressed_buffer), size);
//Decompress the data
if (!decompress_lzma_7z(compressed_data, compressed_size, decompressed_data, size))
{
throw(JMA_DECOMPRESS_FAILED);
}
/*
//Allocate memory of the right size to hold the compressed data in the JMA
try
{
compressed_buffer = new unsigned char[compressed_size];
}
catch (bad_alloc xa)
{
throw(JMA_NO_MEM_ALLOC);
}
//Copy the compressed data into memory
stream.read((char *)compressed_buffer, compressed_size);
size_t size = get_total_size(files);
//Read the CRC of the compressed data
stream.read((char *)int4_buffer, UINT_SIZE);
//If it doesn't match, complain
if (CRC32lib::CRC32(compressed_buffer, compressed_size) != charp_to_uint(int4_buffer))
{
delete[] compressed_buffer;
throw(JMA_BAD_FILE);
}
//Decompress the data
if (!decompress_lzma_7z(compressed_buffer, compressed_size, decompressed_buffer, size))
{
delete[] compressed_buffer;
throw(JMA_DECOMPRESS_FAILED);
}
delete[] compressed_buffer;
*/
}
vector<unsigned char *> file_pointers;
size_t size = 0;
//For each file, add it's pointer to the vector, size is pointer offset in the buffer
for (vector<jma_file_info>::iterator i = files.begin(); i != files.end(); i++)
{
i->buffer = decompressed_buffer+size;
file_pointers.push_back(decompressed_buffer+size);
size += i->size;
}
//Return the vector of pointers
return(file_pointers);
}
//Extracts the file with a given name found in the archive to the given buffer
void jma_open::extract_file(string& name, unsigned char *buffer) throw(jma_errors)
{
if (!stream.is_open())
{
throw(JMA_NO_OPEN);
}
size_t size_to_skip = 0;
size_t our_file_size = 0;
//Search through the vector of file information
for (vector<jma_file_info>::iterator i = files.begin(); i != files.end(); i++)
{
if (i->name == name)
{
//Set the variable so we can tell we found it
our_file_size = i->size;
break;
}
//Keep a running total of size
size_to_skip += i->size;
}
if (!our_file_size) //File with the specified name was not found in the archive
{
throw(JMA_FILE_NOT_FOUND);
}
//If the JMA only contains one file, we can skip a lot of overhead
if (files.size() == 1)
{
get_all_files(buffer);
return;
}
if (chunk_size) //we are using non-solid archive..
{
unsigned int chunks_to_skip = size_to_skip / chunk_size;
//skip over requisite number of chunks
chunk_seek(chunks_to_skip);
//Allocate memory for compressed and decompressed data
unsigned char *comp_buffer = 0, *decomp_buffer = 0;
try
{
//Compressed data size is <= non compressed size
unsigned char *combined_buffer = new unsigned char[chunk_size*2];
comp_buffer = combined_buffer;
decomp_buffer = combined_buffer+chunk_size;
}
catch (bad_alloc xa)
{
throw(JMA_NO_MEM_ALLOC);
}
size_t first_chunk_offset = size_to_skip % chunk_size;
unsigned char int4_buffer[UINT_SIZE];
for (size_t i = 0; i < our_file_size;)
{
//Get size
stream.read((char *)int4_buffer, UINT_SIZE);
size_t compressed_size = charp_to_uint(int4_buffer);
//Read all the compressed data in
stream.read((char *)comp_buffer, compressed_size);
//Read the CRC of the compressed data
stream.read((char *)int4_buffer, UINT_SIZE);
//If it doesn't match, complain
if (CRC32lib::CRC32(comp_buffer, compressed_size) != charp_to_uint(int4_buffer))
{
delete[] comp_buffer;
throw(JMA_BAD_FILE);
}
//Decompress chunk
if (!decompress_lzma_7z(comp_buffer, compressed_size, decomp_buffer, chunk_size))
{
delete[] comp_buffer;
throw(JMA_DECOMPRESS_FAILED);
}
size_t copy_amount = our_file_size-i > chunk_size-first_chunk_offset ? chunk_size-first_chunk_offset : our_file_size-i;
memcpy(buffer+i, decomp_buffer+first_chunk_offset, copy_amount);
first_chunk_offset = 0; //Set to zero since this is only for the first iteration
i += copy_amount;
}
delete[] comp_buffer;
}
else //Solid JMA
{
unsigned char *decomp_buffer = 0;
try
{
decomp_buffer = new unsigned char[get_total_size(files)];
}
catch (bad_alloc xa)
{
throw(JMA_NO_MEM_ALLOC);
}
get_all_files(decomp_buffer);
memcpy(buffer, decomp_buffer+size_to_skip, our_file_size);
delete[] decomp_buffer;
}
}
bool jma_open::is_solid()
{
return(chunk_size ? false : true);
}
const char *jma_error_text(jma_errors error)
{
switch (error)
{
case JMA_NO_CREATE:
return("JMA could not be created");
case JMA_NO_MEM_ALLOC:
return("Memory for JMA could be allocated");
case JMA_NO_OPEN:
return("JMA could not be opened");
case JMA_BAD_FILE:
return("Invalid/Corrupt JMA");
case JMA_UNSUPPORTED_VERSION:
return("JMA version not supported");
case JMA_COMPRESS_FAILED:
return("JMA compression failed");
case JMA_DECOMPRESS_FAILED:
return("JMA decompression failed");
case JMA_FILE_NOT_FOUND:
return("File not found in JMA");
}
return("Unknown error");
}
}

88
tools/bsnes/lib/libjma/jma.h Executable file
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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef JMA_H
#define JMA_H
#include <string>
#include <fstream>
#include <vector>
#include <time.h>
namespace JMA
{
enum jma_errors { JMA_NO_CREATE, JMA_NO_MEM_ALLOC, JMA_NO_OPEN, JMA_BAD_FILE,
JMA_UNSUPPORTED_VERSION, JMA_COMPRESS_FAILED, JMA_DECOMPRESS_FAILED,
JMA_FILE_NOT_FOUND };
struct jma_file_info_base
{
std::string name;
std::string comment;
size_t size;
unsigned int crc32;
};
struct jma_public_file_info : jma_file_info_base
{
time_t datetime;
};
struct jma_file_info : jma_file_info_base
{
unsigned short date;
unsigned short time;
const unsigned char *buffer;
};
template<class jma_file_type>
inline size_t get_total_size(std::vector<jma_file_type>& files)
{
size_t size = 0;
for (typename std::vector<jma_file_type>::iterator i = files.begin(); i != files.end(); i++)
{
size += i->size; //We do have a problem if this wraps around
}
return(size);
}
class jma_open
{
public:
jma_open(const char *) throw(jma_errors);
~jma_open();
std::vector<jma_public_file_info> get_files_info();
std::vector<unsigned char *> get_all_files(unsigned char *) throw(jma_errors);
void extract_file(std::string& name, unsigned char *) throw(jma_errors);
bool is_solid();
private:
std::ifstream stream;
std::vector<jma_file_info> files;
size_t chunk_size;
unsigned char *decompressed_buffer;
unsigned char *compressed_buffer;
void chunk_seek(unsigned int) throw(jma_errors);
void retrieve_file_block() throw(jma_errors);
};
const char *jma_error_text(jma_errors);
}
#endif

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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LENCODER_H
#define __LENCODER_H
#include "btreecd.h"
namespace NLength {
const UINT32 kNumPosStatesBitsMax = 4;
const int kNumPosStatesMax = (1 << kNumPosStatesBitsMax);
const int kNumPosStatesBitsEncodingMax = 4;
const int kNumPosStatesEncodingMax = (1 << kNumPosStatesBitsEncodingMax);
const int kNumMoveBits = 5;
const int kNumLenBits = 3;
const int kNumLowSymbols = 1 << kNumLenBits;
const int kNumMidBits = 3;
const int kNumMidSymbols = 1 << kNumMidBits;
const int kNumHighBits = 8;
const int kNumSymbolsTotal = kNumLowSymbols + kNumMidSymbols + (1 << kNumHighBits);
const int kNumSpecSymbols = kNumLowSymbols + kNumMidSymbols;
class CDecoder
{
CMyBitDecoder<kNumMoveBits> m_Choice;
CBitTreeDecoder<kNumMoveBits, kNumLenBits> m_LowCoder[kNumPosStatesMax];
CMyBitDecoder<kNumMoveBits> m_Choice2;
CBitTreeDecoder<kNumMoveBits, kNumMidBits> m_MidCoder[kNumPosStatesMax];
CBitTreeDecoder<kNumMoveBits, kNumHighBits> m_HighCoder;
UINT32 m_NumPosStates;
public:
void Create(UINT32 aNumPosStates)
{ m_NumPosStates = aNumPosStates; }
void Init()
{
m_Choice.Init();
for (UINT32 aPosState = 0; aPosState < m_NumPosStates; aPosState++)
{
m_LowCoder[aPosState].Init();
m_MidCoder[aPosState].Init();
}
m_Choice2.Init();
m_HighCoder.Init();
}
UINT32 Decode(CMyRangeDecoder *aRangeDecoder, UINT32 aPosState)
{
if(m_Choice.Decode(aRangeDecoder) == 0)
return m_LowCoder[aPosState].Decode(aRangeDecoder);
else
{
UINT32 aSymbol = kNumLowSymbols;
if(m_Choice2.Decode(aRangeDecoder) == 0)
aSymbol += m_MidCoder[aPosState].Decode(aRangeDecoder);
else
{
aSymbol += kNumMidSymbols;
aSymbol += m_HighCoder.Decode(aRangeDecoder);
}
return aSymbol;
}
}
};
}
#endif

122
tools/bsnes/lib/libjma/litcoder.h Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LITERALCODER_H
#define __LITERALCODER_H
#include "aribitcd.h"
#include "rcdefs.h"
namespace NLiteral {
const int kNumMoveBits = 5;
class CDecoder2
{
CMyBitDecoder<kNumMoveBits> m_Decoders[3][1 << 8];
public:
void Init()
{
for (int i = 0; i < 3; i++)
for (int j = 1; j < (1 << 8); j++)
m_Decoders[i][j].Init();
}
BYTE DecodeNormal(CMyRangeDecoder *aRangeDecoder)
{
UINT32 aSymbol = 1;
RC_INIT_VAR
do
{
// aSymbol = (aSymbol << 1) | m_Decoders[0][aSymbol].Decode(aRangeDecoder);
RC_GETBIT(kNumMoveBits, m_Decoders[0][aSymbol].m_Probability, aSymbol)
}
while (aSymbol < 0x100);
RC_FLUSH_VAR
return aSymbol;
}
BYTE DecodeWithMatchByte(CMyRangeDecoder *aRangeDecoder, BYTE aMatchByte)
{
UINT32 aSymbol = 1;
RC_INIT_VAR
do
{
UINT32 aMatchBit = (aMatchByte >> 7) & 1;
aMatchByte <<= 1;
// UINT32 aBit = m_Decoders[1 + aMatchBit][aSymbol].Decode(aRangeDecoder);
// aSymbol = (aSymbol << 1) | aBit;
UINT32 aBit;
RC_GETBIT2(kNumMoveBits, m_Decoders[1 + aMatchBit][aSymbol].m_Probability, aSymbol,
aBit = 0, aBit = 1)
if (aMatchBit != aBit)
{
while (aSymbol < 0x100)
{
// aSymbol = (aSymbol << 1) | m_Decoders[0][aSymbol].Decode(aRangeDecoder);
RC_GETBIT(kNumMoveBits, m_Decoders[0][aSymbol].m_Probability, aSymbol)
}
break;
}
}
while (aSymbol < 0x100);
RC_FLUSH_VAR
return aSymbol;
}
};
class CDecoder
{
CDecoder2 *m_Coders;
UINT32 m_NumPrevBits;
UINT32 m_NumPosBits;
UINT32 m_PosMask;
public:
CDecoder(): m_Coders(0) {}
~CDecoder() { Free(); }
void Free()
{
delete []m_Coders;
m_Coders = 0;
}
void Create(UINT32 aNumPosBits, UINT32 aNumPrevBits)
{
Free();
m_NumPosBits = aNumPosBits;
m_PosMask = (1 << aNumPosBits) - 1;
m_NumPrevBits = aNumPrevBits;
UINT32 aNumStates = 1 << (m_NumPrevBits + m_NumPosBits);
m_Coders = new CDecoder2[aNumStates];
}
void Init()
{
UINT32 aNumStates = 1 << (m_NumPrevBits + m_NumPosBits);
for (UINT32 i = 0; i < aNumStates; i++)
m_Coders[i].Init();
}
UINT32 GetState(UINT32 aPos, BYTE aPrevByte) const
{ return ((aPos & m_PosMask) << m_NumPrevBits) + (aPrevByte >> (8 - m_NumPrevBits)); }
BYTE DecodeNormal(CMyRangeDecoder *aRangeDecoder, UINT32 aPos, BYTE aPrevByte)
{ return m_Coders[GetState(aPos, aPrevByte)].DecodeNormal(aRangeDecoder); }
BYTE DecodeWithMatchByte(CMyRangeDecoder *aRangeDecoder, UINT32 aPos, BYTE aPrevByte, BYTE aMatchByte)
{ return m_Coders[GetState(aPos, aPrevByte)].DecodeWithMatchByte(aRangeDecoder, aMatchByte); }
};
}
#endif

41
tools/bsnes/lib/libjma/lzma.cpp Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "lzma.h"
namespace NCompress {
namespace NLZMA {
UINT32 kDistStart[kDistTableSizeMax];
static class CConstInit
{
public:
CConstInit()
{
UINT32 aStartValue = 0;
int i;
for (i = 0; i < kDistTableSizeMax; i++)
{
kDistStart[i] = aStartValue;
aStartValue += (1 << kDistDirectBits[i]);
}
}
} g_ConstInit;
}}

124
tools/bsnes/lib/libjma/lzma.h Executable file
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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "lencoder.h"
#ifndef __LZMA_H
#define __LZMA_H
namespace NCompress {
namespace NLZMA {
const UINT32 kNumRepDistances = 4;
const BYTE kNumStates = 12;
const BYTE kLiteralNextStates[kNumStates] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5};
const BYTE kMatchNextStates[kNumStates] = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10};
const BYTE kRepNextStates[kNumStates] = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11};
const BYTE kShortRepNextStates[kNumStates]= {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11};
class CState
{
public:
BYTE m_Index;
void Init()
{ m_Index = 0; }
void UpdateChar()
{ m_Index = kLiteralNextStates[m_Index]; }
void UpdateMatch()
{ m_Index = kMatchNextStates[m_Index]; }
void UpdateRep()
{ m_Index = kRepNextStates[m_Index]; }
void UpdateShortRep()
{ m_Index = kShortRepNextStates[m_Index]; }
};
class CBaseCoder
{
protected:
CState m_State;
BYTE m_PreviousByte;
bool m_PeviousIsMatch;
UINT32 m_RepDistances[kNumRepDistances];
void Init()
{
m_State.Init();
m_PreviousByte = 0;
m_PeviousIsMatch = false;
for(UINT32 i = 0 ; i < kNumRepDistances; i++)
m_RepDistances[i] = 0;
}
};
const int kNumPosSlotBits = 6;
const int kDicLogSizeMax = 28;
const int kDistTableSizeMax = kDicLogSizeMax * 2;
extern UINT32 kDistStart[kDistTableSizeMax];
const BYTE kDistDirectBits[kDistTableSizeMax] =
{
0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9,
10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19,
20, 20, 21, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26
};
const UINT32 kNumLenToPosStates = 4;
inline UINT32 GetLenToPosState(UINT32 aLen)
{
aLen -= 2;
if (aLen < kNumLenToPosStates)
return aLen;
return kNumLenToPosStates - 1;
}
const int kMatchMinLen = 2;
const int kMatchMaxLen = kMatchMinLen + NLength::kNumSymbolsTotal - 1;
const int kNumAlignBits = 4;
const int kAlignTableSize = 1 << kNumAlignBits;
const UINT32 kAlignMask = (kAlignTableSize - 1);
const int kStartPosModelIndex = 4;
const int kEndPosModelIndex = 14;
const int kNumPosModels = kEndPosModelIndex - kStartPosModelIndex;
const int kNumFullDistances = 1 << (kEndPosModelIndex / 2);
const int kMainChoiceLiteralIndex = 0;
const int kMainChoiceMatchIndex = 1;
const int kMatchChoiceDistanceIndex= 0;
const int kMatchChoiceRepetitionIndex = 1;
const int kNumMoveBitsForMainChoice = 5;
const int kNumMoveBitsForPosCoders = 5;
const int kNumMoveBitsForAlignCoders = 5;
const int kNumMoveBitsForPosSlotCoder = 5;
const int kNumLitPosStatesBitsEncodingMax = 4;
const int kNumLitContextBitsMax = 8;
}}
#endif

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/*
Copyright (C) 2005-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "portable.h"
#include "lzmadec.h"
#define RETURN_E_OUTOFMEMORY_IF_FALSE(x) { if (!(x)) return E_OUTOFMEMORY; }
namespace NCompress {
namespace NLZMA {
HRESULT CDecoder::SetDictionarySize(UINT32 aDictionarySize)
{
if (aDictionarySize > (1 << kDicLogSizeMax))
return E_INVALIDARG;
UINT32 aWindowReservSize = MyMax(aDictionarySize, UINT32(1 << 21));
if (m_DictionarySize != aDictionarySize)
{
m_OutWindowStream.Create(aDictionarySize, kMatchMaxLen, aWindowReservSize);
m_DictionarySize = aDictionarySize;
}
return S_OK;
}
HRESULT CDecoder::SetLiteralProperties(
UINT32 aLiteralPosStateBits, UINT32 aLiteralContextBits)
{
if (aLiteralPosStateBits > 8)
return E_INVALIDARG;
if (aLiteralContextBits > 8)
return E_INVALIDARG;
m_LiteralDecoder.Create(aLiteralPosStateBits, aLiteralContextBits);
return S_OK;
}
HRESULT CDecoder::SetPosBitsProperties(UINT32 aNumPosStateBits)
{
if (aNumPosStateBits > NLength::kNumPosStatesBitsMax)
return E_INVALIDARG;
UINT32 aNumPosStates = 1 << aNumPosStateBits;
m_LenDecoder.Create(aNumPosStates);
m_RepMatchLenDecoder.Create(aNumPosStates);
m_PosStateMask = aNumPosStates - 1;
return S_OK;
}
CDecoder::CDecoder():
m_DictionarySize((UINT32)-1)
{
Create();
}
HRESULT CDecoder::Create()
{
for(int i = 0; i < kNumPosModels; i++)
{
RETURN_E_OUTOFMEMORY_IF_FALSE(
m_PosDecoders[i].Create(kDistDirectBits[kStartPosModelIndex + i]));
}
return S_OK;
}
HRESULT CDecoder::Init(ISequentialInStream *anInStream,
ISequentialOutStream *anOutStream)
{
m_RangeDecoder.Init(anInStream);
m_OutWindowStream.Init(anOutStream);
int i;
for(i = 0; i < kNumStates; i++)
{
for (UINT32 j = 0; j <= m_PosStateMask; j++)
{
m_MainChoiceDecoders[i][j].Init();
m_MatchRepShortChoiceDecoders[i][j].Init();
}
m_MatchChoiceDecoders[i].Init();
m_MatchRepChoiceDecoders[i].Init();
m_MatchRep1ChoiceDecoders[i].Init();
m_MatchRep2ChoiceDecoders[i].Init();
}
m_LiteralDecoder.Init();
// m_RepMatchLenDecoder.Init();
for (i = 0; (UINT32) i < kNumLenToPosStates; i++)
m_PosSlotDecoder[i].Init();
for(i = 0; i < kNumPosModels; i++)
m_PosDecoders[i].Init();
m_LenDecoder.Init();
m_RepMatchLenDecoder.Init();
m_PosAlignDecoder.Init();
return S_OK;
}
HRESULT CDecoder::CodeReal(ISequentialInStream *anInStream,
ISequentialOutStream *anOutStream,
const UINT64 *anInSize, const UINT64 *anOutSize)
{
if (anOutSize == NULL)
return E_INVALIDARG;
Init(anInStream, anOutStream);
CState aState;
aState.Init();
bool aPeviousIsMatch = false;
BYTE aPreviousByte = 0;
UINT32 aRepDistances[kNumRepDistances];
for(UINT32 i = 0 ; i < kNumRepDistances; i++)
aRepDistances[i] = 0;
UINT64 aNowPos64 = 0;
UINT64 aSize = *anOutSize;
while(aNowPos64 < aSize)
{
UINT64 aNext = MyMin(aNowPos64 + (1 << 18), aSize);
while(aNowPos64 < aNext)
{
UINT32 aPosState = UINT32(aNowPos64) & m_PosStateMask;
if (m_MainChoiceDecoders[aState.m_Index][aPosState].Decode(&m_RangeDecoder) == (UINT32) kMainChoiceLiteralIndex)
{
// aCounts[0]++;
aState.UpdateChar();
if(aPeviousIsMatch)
{
BYTE aMatchByte = m_OutWindowStream.GetOneByte(0 - aRepDistances[0] - 1);
aPreviousByte = m_LiteralDecoder.DecodeWithMatchByte(&m_RangeDecoder,
UINT32(aNowPos64), aPreviousByte, aMatchByte);
aPeviousIsMatch = false;
}
else
aPreviousByte = m_LiteralDecoder.DecodeNormal(&m_RangeDecoder,
UINT32(aNowPos64), aPreviousByte);
m_OutWindowStream.PutOneByte(aPreviousByte);
aNowPos64++;
}
else
{
aPeviousIsMatch = true;
UINT32 aDistance, aLen;
if(m_MatchChoiceDecoders[aState.m_Index].Decode(&m_RangeDecoder) ==
(UINT32) kMatchChoiceRepetitionIndex)
{
if(m_MatchRepChoiceDecoders[aState.m_Index].Decode(&m_RangeDecoder) == 0)
{
if(m_MatchRepShortChoiceDecoders[aState.m_Index][aPosState].Decode(&m_RangeDecoder) == 0)
{
aState.UpdateShortRep();
aPreviousByte = m_OutWindowStream.GetOneByte(0 - aRepDistances[0] - 1);
m_OutWindowStream.PutOneByte(aPreviousByte);
aNowPos64++;
// aCounts[3 + 4]++;
continue;
}
// aCounts[3 + 0]++;
aDistance = aRepDistances[0];
}
else
{
if(m_MatchRep1ChoiceDecoders[aState.m_Index].Decode(&m_RangeDecoder) == 0)
{
aDistance = aRepDistances[1];
aRepDistances[1] = aRepDistances[0];
// aCounts[3 + 1]++;
}
else
{
if (m_MatchRep2ChoiceDecoders[aState.m_Index].Decode(&m_RangeDecoder) == 0)
{
// aCounts[3 + 2]++;
aDistance = aRepDistances[2];
}
else
{
// aCounts[3 + 3]++;
aDistance = aRepDistances[3];
aRepDistances[3] = aRepDistances[2];
}
aRepDistances[2] = aRepDistances[1];
aRepDistances[1] = aRepDistances[0];
}
aRepDistances[0] = aDistance;
}
aLen = m_RepMatchLenDecoder.Decode(&m_RangeDecoder, aPosState) + kMatchMinLen;
// aCounts[aLen]++;
aState.UpdateRep();
}
else
{
aLen = kMatchMinLen + m_LenDecoder.Decode(&m_RangeDecoder, aPosState);
aState.UpdateMatch();
UINT32 aPosSlot = m_PosSlotDecoder[GetLenToPosState(aLen)].Decode(&m_RangeDecoder);
// aCounts[aPosSlot]++;
if (aPosSlot >= (UINT32) kStartPosModelIndex)
{
aDistance = kDistStart[aPosSlot];
if (aPosSlot < (UINT32) kEndPosModelIndex)
aDistance += m_PosDecoders[aPosSlot - kStartPosModelIndex].Decode(&m_RangeDecoder);
else
{
aDistance += (m_RangeDecoder.DecodeDirectBits(kDistDirectBits[aPosSlot] -
kNumAlignBits) << kNumAlignBits);
aDistance += m_PosAlignDecoder.Decode(&m_RangeDecoder);
}
}
else
aDistance = aPosSlot;
aRepDistances[3] = aRepDistances[2];
aRepDistances[2] = aRepDistances[1];
aRepDistances[1] = aRepDistances[0];
aRepDistances[0] = aDistance;
// UpdateStat(aLen, aPosSlot);
}
if (aDistance >= aNowPos64)
throw E_INVALIDDATA;
m_OutWindowStream.CopyBackBlock(aDistance, aLen);
aNowPos64 += aLen;
aPreviousByte = m_OutWindowStream.GetOneByte(0 - 1);
}
}
}
return Flush();
}
HRESULT CDecoder::Code(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream, const UINT64 *anInSize, const UINT64 *anOutSize)
{
try {
return CodeReal(anInStream, anOutStream, anInSize, anOutSize);
} catch (HRESULT& e) {
return e;
} catch (...) {
return E_FAIL;
}
}
HRESULT CDecoder::ReadCoderProperties(ISequentialInStream *anInStream)
{
UINT32 aNumPosStateBits;
UINT32 aLiteralPosStateBits;
UINT32 aLiteralContextBits;
UINT32 aDictionarySize;
UINT32 aProcessesedSize;
BYTE aByte;
RETURN_IF_NOT_S_OK(anInStream->Read(&aByte, sizeof(aByte), &aProcessesedSize));
if (aProcessesedSize != sizeof(aByte))
return E_INVALIDARG;
aLiteralContextBits = aByte % 9;
BYTE aRemainder = aByte / 9;
aLiteralPosStateBits = aRemainder % 5;
aNumPosStateBits = aRemainder / 5;
UINT8 uint_buffer[UINT_SIZE];
RETURN_IF_NOT_S_OK(anInStream->Read(uint_buffer, sizeof(aDictionarySize), &aProcessesedSize));
aDictionarySize = charp_to_uint(uint_buffer);
if (aProcessesedSize != sizeof(aDictionarySize))
return E_INVALIDARG;
RETURN_IF_NOT_S_OK(SetDictionarySize(aDictionarySize));
RETURN_IF_NOT_S_OK(SetLiteralProperties(aLiteralPosStateBits, aLiteralContextBits));
RETURN_IF_NOT_S_OK(SetPosBitsProperties(aNumPosStateBits));
return S_OK;
}
}}

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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __LZARITHMETIC_DECODER_H
#define __LZARITHMETIC_DECODER_H
#include "winout.h"
#include "lzma.h"
#include "lencoder.h"
#include "litcoder.h"
namespace NCompress {
namespace NLZMA {
typedef CMyBitDecoder<kNumMoveBitsForMainChoice> CMyBitDecoder2;
class CDecoder
{
NStream::NWindow::COut m_OutWindowStream;
CMyRangeDecoder m_RangeDecoder;
CMyBitDecoder2 m_MainChoiceDecoders[kNumStates][NLength::kNumPosStatesMax];
CMyBitDecoder2 m_MatchChoiceDecoders[kNumStates];
CMyBitDecoder2 m_MatchRepChoiceDecoders[kNumStates];
CMyBitDecoder2 m_MatchRep1ChoiceDecoders[kNumStates];
CMyBitDecoder2 m_MatchRep2ChoiceDecoders[kNumStates];
CMyBitDecoder2 m_MatchRepShortChoiceDecoders[kNumStates][NLength::kNumPosStatesMax];
CBitTreeDecoder<kNumMoveBitsForPosSlotCoder, kNumPosSlotBits> m_PosSlotDecoder[kNumLenToPosStates];
CReverseBitTreeDecoder2<kNumMoveBitsForPosCoders> m_PosDecoders[kNumPosModels];
CReverseBitTreeDecoder<kNumMoveBitsForAlignCoders, kNumAlignBits> m_PosAlignDecoder;
// CBitTreeDecoder2<kNumMoveBitsForPosCoders> m_PosDecoders[kNumPosModels];
// CBitTreeDecoder<kNumMoveBitsForAlignCoders, kNumAlignBits> m_PosAlignDecoder;
NLength::CDecoder m_LenDecoder;
NLength::CDecoder m_RepMatchLenDecoder;
NLiteral::CDecoder m_LiteralDecoder;
UINT32 m_DictionarySize;
UINT32 m_PosStateMask;
HRESULT Create();
HRESULT Init(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream);
HRESULT Flush() { return m_OutWindowStream.Flush(); }
HRESULT CodeReal(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream, const UINT64 *anInSize, const UINT64 *anOutSize);
public:
CDecoder();
HRESULT Code(ISequentialInStream *anInStream, ISequentialOutStream *anOutStream, const UINT64 *anInSize, const UINT64 *anOutSize);
HRESULT ReadCoderProperties(ISequentialInStream *anInStream);
HRESULT SetDictionarySize(UINT32 aDictionarySize);
HRESULT SetLiteralProperties(UINT32 aLiteralPosStateBits, UINT32 aLiteralContextBits);
HRESULT SetPosBitsProperties(UINT32 aNumPosStateBits);
};
}}
#endif

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/*
Copyright (C) 2004-2007 NSRT Team ( http://nsrt.edgeemu.com )
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __PORTABLE_H
#define __PORTABLE_H
#include <string.h>
typedef signed char INT8;
typedef unsigned char UINT8;
typedef short INT16;
typedef unsigned short UINT16;
typedef long INT32;
typedef unsigned long UINT32;
typedef long long INT64;
typedef unsigned long long UINT64;
typedef UINT8 BYTE;
typedef UINT16 WORD;
typedef UINT32 DWORD;
typedef unsigned UINT_PTR;
typedef int BOOL;
#define FALSE 0
#define TRUE 1
#define HRESULT int
#define S_OK 0
#define E_INVALIDARG -1
#define E_OUTOFMEMORY -2
#define E_FAIL -3
#define E_INTERNAL_ERROR -4
#define E_INVALIDDATA -5
template <class T> inline T MyMin(T a, T b) {
return a < b ? a : b;
}
template <class T> inline T MyMax(T a, T b) {
return a > b ? a : b;
}
#define RETURN_IF_NOT_S_OK(x) { HRESULT __aResult_ = (x); if(__aResult_ != S_OK) return __aResult_; }
#define UINT_SIZE (4)
#define USHORT_SIZE (2)
//Convert an array of 4 bytes back into an integer
inline unsigned int charp_to_uint(const unsigned char buffer[UINT_SIZE])
{
unsigned int num = (unsigned int)buffer[3];
num |= ((unsigned int)buffer[2]) << 8;
num |= ((unsigned int)buffer[1]) << 16;
num |= ((unsigned int)buffer[0]) << 24;
return(num);
}
//Convert an array of 2 bytes back into a short integer
inline unsigned short charp_to_ushort(const unsigned char buffer[USHORT_SIZE])
{
unsigned short num = (unsigned short)buffer[1];
num |= ((unsigned short)buffer[0]) << 8;
return(num);
}
#endif

60
tools/bsnes/lib/libjma/rcdefs.h Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __RCDEFS_H
#define __RCDEFS_H
#include "aribitcd.h"
#include "ariconst.h"
#define RC_INIT_VAR \
UINT32 aRange = aRangeDecoder->m_Range; \
UINT32 aCode = aRangeDecoder->m_Code;
#define RC_FLUSH_VAR \
aRangeDecoder->m_Range = aRange; \
aRangeDecoder->m_Code = aCode;
#define RC_NORMALIZE \
if (aRange < NCompression::NArithmetic::kTopValue) \
{ \
aCode = (aCode << 8) | aRangeDecoder->m_Stream.ReadByte(); \
aRange <<= 8; }
#define RC_GETBIT2(aNumMoveBits, aProb, aModelIndex, Action0, Action1) \
{UINT32 aNewBound = (aRange >> NCompression::NArithmetic::kNumBitModelTotalBits) * aProb; \
if (aCode < aNewBound) \
{ \
Action0; \
aRange = aNewBound; \
aProb += (NCompression::NArithmetic::kBitModelTotal - aProb) >> aNumMoveBits; \
aModelIndex <<= 1; \
} \
else \
{ \
Action1; \
aRange -= aNewBound; \
aCode -= aNewBound; \
aProb -= (aProb) >> aNumMoveBits; \
aModelIndex = (aModelIndex << 1) + 1; \
}} \
RC_NORMALIZE
#define RC_GETBIT(aNumMoveBits, aProb, aModelIndex) RC_GETBIT2(aNumMoveBits, aProb, aModelIndex, ; , ;)
#endif

143
tools/bsnes/lib/libjma/rngcoder.h Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __COMPRESSION_RANGECODER_H
#define __COMPRESSION_RANGECODER_H
#include "inbyte.h"
namespace NCompression {
namespace NArithmetic {
const UINT32 kNumTopBits = 24;
const UINT32 kTopValue = (1 << kNumTopBits);
class CRangeDecoder
{
public:
NStream::CInByte m_Stream;
UINT32 m_Range;
UINT32 m_Code;
UINT32 m_Word;
void Normalize()
{
while (m_Range < kTopValue)
{
m_Code = (m_Code << 8) | m_Stream.ReadByte();
m_Range <<= 8;
}
}
void Init(ISequentialInStream *aStream)
{
m_Stream.Init(aStream);
m_Code = 0;
m_Range = UINT32(-1);
for(int i = 0; i < 5; i++)
m_Code = (m_Code << 8) | m_Stream.ReadByte();
}
UINT32 GetThreshold(UINT32 aTotal)
{
return (m_Code) / ( m_Range /= aTotal);
}
void Decode(UINT32 aStart, UINT32 aSize, UINT32 aTotal)
{
m_Code -= aStart * m_Range;
m_Range *= aSize;
Normalize();
}
/*
UINT32 DecodeDirectBitsDiv(UINT32 aNumTotalBits)
{
m_Range >>= aNumTotalBits;
UINT32 aThreshold = m_Code / m_Range;
m_Code -= aThreshold * m_Range;
Normalize();
return aThreshold;
}
UINT32 DecodeDirectBitsDiv2(UINT32 aNumTotalBits)
{
if (aNumTotalBits <= kNumBottomBits)
return DecodeDirectBitsDiv(aNumTotalBits);
UINT32 aResult = DecodeDirectBitsDiv(aNumTotalBits - kNumBottomBits) << kNumBottomBits;
return (aResult | DecodeDirectBitsDiv(kNumBottomBits));
}
*/
UINT32 DecodeDirectBits(UINT32 aNumTotalBits)
{
UINT32 aRange = m_Range;
UINT32 aCode = m_Code;
UINT32 aResult = 0;
for (UINT32 i = aNumTotalBits; i > 0; i--)
{
aRange >>= 1;
/*
aResult <<= 1;
if (aCode >= aRange)
{
aCode -= aRange;
aResult |= 1;
}
*/
UINT32 t = (aCode - aRange) >> 31;
aCode -= aRange & (t - 1);
// aRange = aRangeTmp + ((aRange & 1) & (1 - t));
aResult = (aResult << 1) | (1 - t);
if (aRange < kTopValue)
{
aCode = (aCode << 8) | m_Stream.ReadByte();
aRange <<= 8;
}
}
m_Range = aRange;
m_Code = aCode;
return aResult;
}
UINT32 DecodeBit(UINT32 aSize0, UINT32 aNumTotalBits)
{
UINT32 aNewBound = (m_Range >> aNumTotalBits) * aSize0;
UINT32 aSymbol;
if (m_Code < aNewBound)
{
aSymbol = 0;
m_Range = aNewBound;
}
else
{
aSymbol = 1;
m_Code -= aNewBound;
m_Range -= aNewBound;
}
Normalize();
return aSymbol;
}
UINT64 GetProcessedSize() {return m_Stream.GetProcessedSize(); }
};
}}
#endif

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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "winout.h"
namespace NStream {
namespace NWindow {
void COut::Create(UINT32 aKeepSizeBefore, UINT32 aKeepSizeAfter, UINT32 aKeepSizeReserv)
{
m_Pos = 0;
m_PosLimit = aKeepSizeReserv + aKeepSizeBefore;
m_KeepSizeBefore = aKeepSizeBefore;
m_KeepSizeAfter = aKeepSizeAfter;
m_KeepSizeReserv = aKeepSizeReserv;
m_StreamPos = 0;
m_MoveFrom = m_KeepSizeReserv;
m_WindowSize = aKeepSizeBefore;
UINT32 aBlockSize = m_KeepSizeBefore + m_KeepSizeAfter + m_KeepSizeReserv;
delete []m_Buffer;
m_Buffer = new BYTE[aBlockSize];
}
COut::~COut()
{
delete []m_Buffer;
}
void COut::SetWindowSize(UINT32 aWindowSize)
{
m_WindowSize = aWindowSize;
m_MoveFrom = m_KeepSizeReserv + m_KeepSizeBefore - aWindowSize;
}
void COut::Init(ISequentialOutStream *aStream, bool aSolid)
{
m_Stream = aStream;
if(aSolid)
m_StreamPos = m_Pos;
else
{
m_Pos = 0;
m_PosLimit = m_KeepSizeReserv + m_KeepSizeBefore;
m_StreamPos = 0;
}
}
HRESULT COut::Flush()
{
UINT32 aSize = m_Pos - m_StreamPos;
if(aSize == 0)
return S_OK;
UINT32 aProcessedSize;
HRESULT aResult = m_Stream->Write(m_Buffer + m_StreamPos, aSize, &aProcessedSize);
if (aResult != S_OK)
return aResult;
if (aSize != aProcessedSize)
return E_FAIL;
m_StreamPos = m_Pos;
return S_OK;
}
void COut::MoveBlockBackward()
{
HRESULT aResult = Flush();
if (aResult != S_OK)
throw aResult;
memmove(m_Buffer, m_Buffer + m_MoveFrom, m_WindowSize + m_KeepSizeAfter);
m_Pos -= m_MoveFrom;
m_StreamPos -= m_MoveFrom;
}
}}

89
tools/bsnes/lib/libjma/winout.h Executable file
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/*
Copyright (C) 2002 Andrea Mazzoleni ( http://advancemame.sf.net )
Copyright (C) 2001-4 Igor Pavlov ( http://www.7-zip.org )
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License version 2.1 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __STREAM_WINDOWOUT_H
#define __STREAM_WINDOWOUT_H
#include "iiostrm.h"
namespace NStream {
namespace NWindow {
// m_KeepSizeBefore: how mach BYTEs must be in buffer before m_Pos;
// m_KeepSizeAfter: how mach BYTEs must be in buffer after m_Pos;
// m_KeepSizeReserv: how mach BYTEs must be in buffer for Moving Reserv;
// must be >= aKeepSizeAfter; // test it
class COut
{
BYTE *m_Buffer;
UINT32 m_Pos;
UINT32 m_PosLimit;
UINT32 m_KeepSizeBefore;
UINT32 m_KeepSizeAfter;
UINT32 m_KeepSizeReserv;
UINT32 m_StreamPos;
UINT32 m_WindowSize;
UINT32 m_MoveFrom;
ISequentialOutStream *m_Stream;
virtual void MoveBlockBackward();
public:
COut(): m_Buffer(0), m_Stream(0) {}
virtual ~COut();
void Create(UINT32 aKeepSizeBefore,
UINT32 aKeepSizeAfter, UINT32 aKeepSizeReserv = (1<<17));
void SetWindowSize(UINT32 aWindowSize);
void Init(ISequentialOutStream *aStream, bool aSolid = false);
HRESULT Flush();
UINT32 GetCurPos() const { return m_Pos; }
const BYTE *GetPointerToCurrentPos() const { return m_Buffer + m_Pos;};
void CopyBackBlock(UINT32 aDistance, UINT32 aLen)
{
if (m_Pos >= m_PosLimit)
MoveBlockBackward();
BYTE *p = m_Buffer + m_Pos;
aDistance++;
for(UINT32 i = 0; i < aLen; i++)
p[i] = p[i - aDistance];
m_Pos += aLen;
}
void PutOneByte(BYTE aByte)
{
if (m_Pos >= m_PosLimit)
MoveBlockBackward();
m_Buffer[m_Pos++] = aByte;
}
BYTE GetOneByte(UINT32 anIndex) const
{
return m_Buffer[m_Pos + anIndex];
}
BYTE *GetBuffer() const { return m_Buffer; }
};
}}
#endif

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#ifdef READER_CPP
#include "filereader.hpp"
unsigned FileReader::size() {
return fp.size();
}
//This function will allocate memory even if open() fails.
//This is needed so that when SRAM files do not exist, the
//memory for the SRAM data will be allocated still.
//The memory is flushed to 0x00 when no file is opened.
uint8_t* FileReader::read(unsigned length) {
uint8_t *data = 0;
if(length == 0) {
//read the entire file into RAM
data = new(zeromemory) uint8_t[fp.size()];
if(fp.open()) fp.read(data, fp.size());
} else if(length > fp.size()) {
//read the entire file into RAM, pad the rest with 0x00s
data = new(zeromemory) uint8_t[length];
if(fp.open()) fp.read(data, fp.size());
} else { //filesize >= length
//read only what was requested
data = new(zeromemory) uint8_t[length];
if(fp.open()) fp.read(data, length);
}
return data;
}
bool FileReader::ready() {
return fp.open();
}
FileReader::FileReader(const char *fn) {
if(!fp.open(fn, file::mode_read)) return;
if(fp.size() == 0) {
//empty file
fp.close();
}
}
FileReader::~FileReader() {
if(fp.open()) fp.close();
}
#endif //ifdef READER_CPP

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class FileReader : public Reader {
public:
unsigned size();
uint8_t* read(unsigned length = 0);
bool ready();
FileReader(const char *fn);
~FileReader();
private:
file fp;
};

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#ifdef READER_CPP
#include "gzreader.hpp"
unsigned GZReader::size() {
return filesize;
}
//This function will allocate memory even if open() fails.
//This is needed so that when SRAM files do not exist, the
//memory for the SRAM data will be allocated still.
//The memory is flushed to 0x00 when no file is opened.
uint8_t* GZReader::read(unsigned length) {
uint8_t *data = 0;
if(length == 0) {
//read the entire file into RAM
data = new(zeromemory) uint8_t[filesize];
if(gp) gzread(gp, data, filesize);
} else if(length > filesize) {
//read the entire file into RAM, pad the rest with 0x00s
data = new(zeromemory) uint8_t[length];
if(gp) gzread(gp, data, filesize);
} else { //filesize >= length
//read only what was requested
data = new(zeromemory) uint8_t[length];
if(gp) gzread(gp, data, length);
}
return data;
}
bool GZReader::ready() {
return (gp != 0);
}
GZReader::GZReader(const char *fn) : gp(0) {
#if !defined(_WIN32)
fp = fopen(fn, "rb");
#else
fp = _wfopen(utf16_t(fn), L"rb");
#endif
if(!fp) return;
fseek(fp, 0, SEEK_END);
filesize = ftell(fp);
if(filesize < 4) {
//too small to be a valid GZ archive
fclose(fp);
fp = 0;
return;
}
fseek(fp, -4, SEEK_END);
unsigned gzsize;
gzsize = fgetc(fp);
gzsize |= fgetc(fp) << 8;
gzsize |= fgetc(fp) << 16;
gzsize |= fgetc(fp) << 24;
fseek(fp, 0, SEEK_SET);
//zlib does not support UTF-8 filenames on Windows,
//thus _wfopen() wrapper above + fileno() wrapper here.
gp = gzdopen(fileno(fp), "rb");
if(!gp) return;
if(gzdirect(gp) == false) filesize = gzsize;
if(filesize == 0) {
//archive is empty
gzclose(gp);
gp = 0;
return;
}
}
GZReader::~GZReader() {
if(gp) {
gzclose(gp);
gp = 0;
}
}
#endif //ifdef READER_CPP

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#include <zlib/zlib.h>
class GZReader : public Reader {
private:
FILE *fp;
gzFile gp;
unsigned filesize;
public:
unsigned size();
uint8_t* read(unsigned length = 0);
bool ready();
GZReader(const char *fn);
~GZReader();
};

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#ifdef READER_CPP
#include "jmareader.hpp"
unsigned JMAReader::size() {
return filesize;
}
uint8_t* JMAReader::read(unsigned length) {
uint8_t *data = 0;
if(!filesize) return 0;
if(length <= filesize) {
//read the entire file into RAM
data = new(zeromemory) uint8_t[filesize];
JMAFile.extract_file(cname, data);
} else if(length > filesize) {
//read the entire file into RAM, pad the rest with 0x00s
data = new(zeromemory) uint8_t[length];
JMAFile.extract_file(cname, data);
}
return data;
}
JMAReader::JMAReader(const char *fn) : JMAFile(fn), filesize(0) {
std::vector<JMA::jma_public_file_info> file_info = JMAFile.get_files_info();
for(std::vector<JMA::jma_public_file_info>::iterator i = file_info.begin(); i != file_info.end(); i++) {
//Check for valid ROM based on size
if((i->size <= 0x1000000 + 512) && (i->size > filesize)) {
cname = i->name;
filesize = i->size;
}
}
}
#endif //ifdef READER_CPP

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#include <libjma/jma.h>
class JMAReader : public Reader {
public:
unsigned size();
uint8_t* read(unsigned length = 0);
JMAReader(const char *fn);
private:
JMA::jma_open JMAFile;
unsigned filesize;
std::string cname;
};

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#include "libreader.hpp"
#define READER_CPP
#include "filereader.cpp"
#if defined(GZIP_SUPPORT)
#include "gzreader.cpp"
#include "zipreader.cpp"
#endif
#if defined(JMA_SUPPORT)
#include "jmareader.cpp"
#endif
Reader::Type Reader::detect(const char *fn, bool inspectheader) {
file fp;
if(!fp.open(fn, file::mode_read)) return Unknown;
uint8_t p[8];
memset(p, 0, sizeof p);
fp.read(p, 8);
fp.close();
if(inspectheader == true) {
//inspect file header to determine type
if(p[0] == 0x1f && p[1] == 0x8b && p[2] == 0x08 && p[3] <= 0x1f) return GZIP;
if(p[0] == 0x50 && p[1] == 0x4b && p[2] == 0x03 && p[3] == 0x04) return ZIP;
if(p[0] == 0x4a && p[1] == 0x4d && p[2] == 0x41 && p[3] == 0x00 && p[4] == 0x4e) return JMA;
} else {
//check file extension to determine type
if(striend(fn, ".gz")) return GZIP;
if(striend(fn, ".zip") || striend(fn, ".z")) return ZIP;
if(striend(fn, ".jma")) return JMA;
}
return Normal;
}

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#include <nall/file.hpp>
#include <nall/platform.hpp>
#include <nall/stdint.hpp>
#include <nall/string.hpp>
using namespace nall;
class Reader {
public:
enum Type {
Unknown,
Normal,
GZIP,
ZIP,
JMA,
};
static Type detect(const char *fn, bool inspectheader);
virtual unsigned size() = 0;
virtual uint8_t* read(unsigned length = 0) = 0;
virtual bool ready() { return true; } //can only call read() when ready() returns true
};

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#ifdef READER_CPP
#include "zipreader.hpp"
unsigned ZipReader::size() {
return filesize;
}
uint8_t* ZipReader::read(unsigned length) {
if(!filesize) return 0;
uint8_t *data = 0;
if(length <= filesize) {
//read the entire file into RAM
data = new(zeromemory) uint8_t[filesize];
unzReadCurrentFile(zipfile, data, filesize);
} else { /* length > filesize */
//read the entire file into RAM, pad the rest with 0x00s
data = new(zeromemory) uint8_t[length];
unzReadCurrentFile(zipfile, data, filesize);
}
return data;
}
bool ZipReader::ready() {
return zipready;
}
ZipReader::ZipReader(const char *fn) : filesize(0), zipready(false) {
unz_file_info cFileInfo; //Create variable to hold info for a compressed file
char cFileName[sizeof(cname)];
if(zipfile = unzOpen(fn)) { //Open zip file
for(int cFile = unzGoToFirstFile(zipfile); cFile == UNZ_OK; cFile = unzGoToNextFile(zipfile)) {
//Gets info on current file, and places it in cFileInfo
unzGetCurrentFileInfo(zipfile, &cFileInfo, cFileName, sizeof(cname), 0, 0, 0, 0);
//verify uncompressed file is not bigger than max ROM size
if((cFileInfo.uncompressed_size <= 0x1000000 + 512) && (cFileInfo.uncompressed_size > filesize)) {
strcpy(cname, cFileName);
filesize = cFileInfo.uncompressed_size;
}
}
if(filesize) {
unzLocateFile(zipfile, cname, 1);
unzOpenCurrentFile(zipfile);
zipready = true;
}
}
}
ZipReader::~ZipReader() {
if(zipfile) {
unzCloseCurrentFile(zipfile);
unzClose(zipfile);
}
}
#endif //ifdef READER_CPP

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#include <zlib/unzip.h>
#define ZIP_MAX_FILE_NAME PATH_MAX
class ZipReader : public Reader {
public:
unsigned size();
uint8_t* read(unsigned length = 0);
bool ready();
ZipReader(const char *fn);
~ZipReader();
private:
unzFile zipfile;
unsigned filesize;
bool zipready;
char cname[PATH_MAX];
};

109
tools/bsnes/lib/nall/Makefile Executable file
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# Makefile
# author: byuu
# license: public domain
[A-Z] = A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
[a-z] = a b c d e f g h i j k l m n o p q r s t u v w x y z
[0-9] = 0 1 2 3 4 5 6 7 8 9
[markup] = ` ~ ! @ \# $$ % ^ & * ( ) - _ = + [ { ] } \ | ; : ' " , < . > / ?
[all] = $([A-Z]) $([a-z]) $([0-9]) $([markup])
[space] :=
[space] +=
#####
# platform detection
#####
ifeq ($(platform),)
uname := $(shell uname -a)
ifeq ($(uname),)
platform := win
delete = del $(subst /,\,$1)
else ifneq ($(findstring Darwin,$(uname)),)
platform := osx
delete = rm -f $1
else
platform := x
delete = rm -f $1
endif
endif
ifeq ($(compiler),)
compiler := gcc
endif
ifeq ($(prefix),)
prefix := /usr/local
endif
#####
# function rwildcard(directory, pattern)
#####
rwildcard = \
$(strip \
$(filter $(if $2,$2,%), \
$(foreach f, \
$(wildcard $1*), \
$(eval t = $(call rwildcard,$f/)) \
$(if $t,$t,$f) \
) \
) \
)
#####
# function strtr(source, from, to)
#####
strtr = \
$(eval __temp := $1) \
$(strip \
$(foreach c, \
$(join $(addsuffix :,$2),$3), \
$(eval __temp := \
$(subst $(word 1,$(subst :, ,$c)),$(word 2,$(subst :, ,$c)),$(__temp)) \
) \
) \
$(__temp) \
)
#####
# function strupper(source)
#####
strupper = $(call strtr,$1,$([a-z]),$([A-Z]))
#####
# function strlower(source)
#####
strlower = $(call strtr,$1,$([A-Z]),$([a-z]))
#####
# function strlen(source)
#####
strlen = \
$(eval __temp := $(subst $([space]),_,$1)) \
$(words \
$(strip \
$(foreach c, \
$([all]), \
$(eval __temp := \
$(subst $c,$c ,$(__temp)) \
) \
) \
$(__temp) \
) \
)
#####
# function streq(source)
#####
streq = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),,1)
#####
# function strne(source)
#####
strne = $(if $(filter-out xx,x$(subst $1,,$2)$(subst $2,,$1)x),1,)
#####
# function ifhas(needle, haystack, true, false)
#####
ifhas = $(if $(findstring $1,$2),$3,$4)

81
tools/bsnes/lib/nall/dl.hpp Executable file
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#ifndef NALL_DL_HPP
#define NALL_DL_HPP
//dynamic linking support
#include <string.h>
#include <nall/detect.hpp>
#include <nall/stdint.hpp>
#include <nall/utility.hpp>
#if defined(PLATFORM_X)
#include <dlfcn.h>
#elif defined(PLATFORM_WIN)
#include <windows.h>
#include <nall/utf8.hpp>
#endif
namespace nall {
struct library : noncopyable {
bool open(const char*);
void* sym(const char*);
void close();
library() : handle(0) {}
~library() { close(); }
private:
uintptr_t handle;
};
#if defined(PLATFORM_X)
inline bool library::open(const char *name) {
if(handle) close();
char *t = new char[strlen(name) + 8];
strcpy(t, "lib");
strcat(t, name);
strcat(t, ".so");
handle = (uintptr_t)dlopen(t, RTLD_LAZY);
delete[] t;
return handle;
}
inline void* library::sym(const char *name) {
if(!handle) return 0;
return dlsym((void*)handle, name);
}
inline void library::close() {
if(!handle) return;
dlclose((void*)handle);
handle = 0;
}
#elif defined(PLATFORM_WIN)
inline bool library::open(const char *name) {
if(handle) close();
char *t = new char[strlen(name) + 8];
strcpy(t, name);
strcat(t, ".dll");
handle = (uintptr_t)LoadLibraryW(utf16_t(t));
delete[] t;
return handle;
}
inline void* library::sym(const char *name) {
if(!handle) return 0;
return (void*)GetProcAddress((HMODULE)handle, name);
}
inline void library::close() {
if(!handle) return;
FreeLibrary((HMODULE)handle);
handle = 0;
}
#else
inline bool library::open(const char*) { return false; }
inline void* library::sym(const char*) { return 0; }
inline void library::close() {}
#endif
};
#endif

149
tools/bsnes/lib/zlib/adler32.c Executable file
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/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2004 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: adler32.c,v 1.3 2005/07/27 18:15:11 nach Exp $ */
#define ZLIB_INTERNAL
#include "zlib.h"
#define BASE 65521UL /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
/* use NO_DIVIDE if your processor does not do division in hardware */
#ifdef NO_DIVIDE
# define MOD(a) \
do { \
if (a >= (BASE << 16)) a -= (BASE << 16); \
if (a >= (BASE << 15)) a -= (BASE << 15); \
if (a >= (BASE << 14)) a -= (BASE << 14); \
if (a >= (BASE << 13)) a -= (BASE << 13); \
if (a >= (BASE << 12)) a -= (BASE << 12); \
if (a >= (BASE << 11)) a -= (BASE << 11); \
if (a >= (BASE << 10)) a -= (BASE << 10); \
if (a >= (BASE << 9)) a -= (BASE << 9); \
if (a >= (BASE << 8)) a -= (BASE << 8); \
if (a >= (BASE << 7)) a -= (BASE << 7); \
if (a >= (BASE << 6)) a -= (BASE << 6); \
if (a >= (BASE << 5)) a -= (BASE << 5); \
if (a >= (BASE << 4)) a -= (BASE << 4); \
if (a >= (BASE << 3)) a -= (BASE << 3); \
if (a >= (BASE << 2)) a -= (BASE << 2); \
if (a >= (BASE << 1)) a -= (BASE << 1); \
if (a >= BASE) a -= BASE; \
} while (0)
# define MOD4(a) \
do { \
if (a >= (BASE << 4)) a -= (BASE << 4); \
if (a >= (BASE << 3)) a -= (BASE << 3); \
if (a >= (BASE << 2)) a -= (BASE << 2); \
if (a >= (BASE << 1)) a -= (BASE << 1); \
if (a >= BASE) a -= BASE; \
} while (0)
#else
# define MOD(a) a %= BASE
# define MOD4(a) a %= BASE
#endif
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
unsigned long sum2;
unsigned n;
/* split Adler-32 into component sums */
sum2 = (adler >> 16) & 0xffff;
adler &= 0xffff;
/* in case user likes doing a byte at a time, keep it fast */
if (len == 1) {
adler += buf[0];
if (adler >= BASE)
adler -= BASE;
sum2 += adler;
if (sum2 >= BASE)
sum2 -= BASE;
return adler | (sum2 << 16);
}
/* initial Adler-32 value (deferred check for len == 1 speed) */
if (buf == Z_NULL)
return 1L;
/* in case short lengths are provided, keep it somewhat fast */
if (len < 16) {
while (len--) {
adler += *buf++;
sum2 += adler;
}
if (adler >= BASE)
adler -= BASE;
MOD4(sum2); /* only added so many BASE's */
return adler | (sum2 << 16);
}
/* do length NMAX blocks -- requires just one modulo operation */
while (len >= NMAX) {
len -= NMAX;
n = NMAX / 16; /* NMAX is divisible by 16 */
do {
DO16(buf); /* 16 sums unrolled */
buf += 16;
} while (--n);
MOD(adler);
MOD(sum2);
}
/* do remaining bytes (less than NMAX, still just one modulo) */
if (len) { /* avoid modulos if none remaining */
while (len >= 16) {
len -= 16;
DO16(buf);
buf += 16;
}
while (len--) {
adler += *buf++;
sum2 += adler;
}
MOD(adler);
MOD(sum2);
}
/* return recombined sums */
return adler | (sum2 << 16);
}
/* ========================================================================= */
uLong ZEXPORT adler32_combine(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off_t len2;
{
unsigned long sum1;
unsigned long sum2;
unsigned rem;
/* the derivation of this formula is left as an exercise for the reader */
rem = (unsigned)(len2 % BASE);
sum1 = adler1 & 0xffff;
sum2 = rem * sum1;
MOD(sum2);
sum1 += (adler2 & 0xffff) + BASE - 1;
sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem;
if (sum1 > BASE) sum1 -= BASE;
if (sum1 > BASE) sum1 -= BASE;
if (sum2 > (BASE << 1)) sum2 -= (BASE << 1);
if (sum2 > BASE) sum2 -= BASE;
return sum1 | (sum2 << 16);
}

79
tools/bsnes/lib/zlib/compress.c Executable file
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/* compress.c -- compress a memory buffer
* Copyright (C) 1995-2003 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: compress.c,v 1.3 2005/07/27 18:15:11 nach Exp $ */
#define ZLIB_INTERNAL
#include "zlib.h"
/* ===========================================================================
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least 0.1% larger than sourceLen plus
12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
*/
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
int level;
{
z_stream stream;
int err;
stream.next_in = (Bytef*)source;
stream.avail_in = (uInt)sourceLen;
#ifdef MAXSEG_64K
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
#endif
stream.next_out = dest;
stream.avail_out = (uInt)*destLen;
if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
stream.opaque = (voidpf)0;
err = deflateInit(&stream, level);
if (err != Z_OK) return err;
err = deflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
deflateEnd(&stream);
return err == Z_OK ? Z_BUF_ERROR : err;
}
*destLen = stream.total_out;
err = deflateEnd(&stream);
return err;
}
/* ===========================================================================
*/
int ZEXPORT compress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
}
/* ===========================================================================
If the default memLevel or windowBits for deflateInit() is changed, then
this function needs to be updated.
*/
uLong ZEXPORT compressBound (sourceLen)
uLong sourceLen;
{
return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11;
}

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/* crc32.c -- compute the CRC-32 of a data stream
* Copyright (C) 1995-2005 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*
* Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster
* CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing
* tables for updating the shift register in one step with three exclusive-ors
* instead of four steps with four exclusive-ors. This results in about a
* factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3.
*/
/* @(#) $Id: crc32.c,v 1.3 2005/07/27 18:15:11 nach Exp $ */
/*
Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore
protection on the static variables used to control the first-use generation
of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should
first call get_crc_table() to initialize the tables before allowing more than
one thread to use crc32().
*/
#ifdef MAKECRCH
# include <stdio.h>
# ifndef DYNAMIC_CRC_TABLE
# define DYNAMIC_CRC_TABLE
# endif /* !DYNAMIC_CRC_TABLE */
#endif /* MAKECRCH */
#include "zutil.h" /* for STDC and FAR definitions */
#define local static
/* Find a four-byte integer type for crc32_little() and crc32_big(). */
#ifndef NOBYFOUR
# ifdef STDC /* need ANSI C limits.h to determine sizes */
# include <limits.h>
# define BYFOUR
# if (UINT_MAX == 0xffffffffUL)
typedef unsigned int u4;
# else
# if (ULONG_MAX == 0xffffffffUL)
typedef unsigned long u4;
# else
# if (USHRT_MAX == 0xffffffffUL)
typedef unsigned short u4;
# else
# undef BYFOUR /* can't find a four-byte integer type! */
# endif
# endif
# endif
# endif /* STDC */
#endif /* !NOBYFOUR */
/* Definitions for doing the crc four data bytes at a time. */
#ifdef BYFOUR
# define REV(w) (((w)>>24)+(((w)>>8)&0xff00)+ \
(((w)&0xff00)<<8)+(((w)&0xff)<<24))
local unsigned long crc32_little OF((unsigned long,
const unsigned char FAR *, unsigned));
local unsigned long crc32_big OF((unsigned long,
const unsigned char FAR *, unsigned));
# define TBLS 8
#else
# define TBLS 1
#endif /* BYFOUR */
/* Local functions for crc concatenation */
local unsigned long gf2_matrix_times OF((unsigned long *mat,
unsigned long vec));
local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat));
#ifdef DYNAMIC_CRC_TABLE
local volatile int crc_table_empty = 1;
local unsigned long FAR crc_table[TBLS][256];
local void make_crc_table OF((void));
#ifdef MAKECRCH
local void write_table OF((FILE *, const unsigned long FAR *));
#endif /* MAKECRCH */
/*
Generate tables for a byte-wise 32-bit CRC calculation on the polynomial:
x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
Polynomials over GF(2) are represented in binary, one bit per coefficient,
with the lowest powers in the most significant bit. Then adding polynomials
is just exclusive-or, and multiplying a polynomial by x is a right shift by
one. If we call the above polynomial p, and represent a byte as the
polynomial q, also with the lowest power in the most significant bit (so the
byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
where a mod b means the remainder after dividing a by b.
This calculation is done using the shift-register method of multiplying and
taking the remainder. The register is initialized to zero, and for each
incoming bit, x^32 is added mod p to the register if the bit is a one (where
x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
x (which is shifting right by one and adding x^32 mod p if the bit shifted
out is a one). We start with the highest power (least significant bit) of
q and repeat for all eight bits of q.
The first table is simply the CRC of all possible eight bit values. This is
all the information needed to generate CRCs on data a byte at a time for all
combinations of CRC register values and incoming bytes. The remaining tables
allow for word-at-a-time CRC calculation for both big-endian and little-
endian machines, where a word is four bytes.
*/
local void make_crc_table()
{
unsigned long c;
int n, k;
unsigned long poly; /* polynomial exclusive-or pattern */
/* terms of polynomial defining this crc (except x^32): */
static volatile int first = 1; /* flag to limit concurrent making */
static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
/* See if another task is already doing this (not thread-safe, but better
than nothing -- significantly reduces duration of vulnerability in
case the advice about DYNAMIC_CRC_TABLE is ignored) */
if (first) {
first = 0;
/* make exclusive-or pattern from polynomial (0xedb88320UL) */
poly = 0UL;
for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++)
poly |= 1UL << (31 - p[n]);
/* generate a crc for every 8-bit value */
for (n = 0; n < 256; n++) {
c = (unsigned long)n;
for (k = 0; k < 8; k++)
c = c & 1 ? poly ^ (c >> 1) : c >> 1;
crc_table[0][n] = c;
}
#ifdef BYFOUR
/* generate crc for each value followed by one, two, and three zeros,
and then the byte reversal of those as well as the first table */
for (n = 0; n < 256; n++) {
c = crc_table[0][n];
crc_table[4][n] = REV(c);
for (k = 1; k < 4; k++) {
c = crc_table[0][c & 0xff] ^ (c >> 8);
crc_table[k][n] = c;
crc_table[k + 4][n] = REV(c);
}
}
#endif /* BYFOUR */
crc_table_empty = 0;
}
else { /* not first */
/* wait for the other guy to finish (not efficient, but rare) */
while (crc_table_empty)
;
}
#ifdef MAKECRCH
/* write out CRC tables to crc32.h */
{
FILE *out;
out = fopen("crc32.h", "w");
if (out == NULL) return;
fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n");
fprintf(out, " * Generated automatically by crc32.c\n */\n\n");
fprintf(out, "local const unsigned long FAR ");
fprintf(out, "crc_table[TBLS][256] =\n{\n {\n");
write_table(out, crc_table[0]);
# ifdef BYFOUR
fprintf(out, "#ifdef BYFOUR\n");
for (k = 1; k < 8; k++) {
fprintf(out, " },\n {\n");
write_table(out, crc_table[k]);
}
fprintf(out, "#endif\n");
# endif /* BYFOUR */
fprintf(out, " }\n};\n");
fclose(out);
}
#endif /* MAKECRCH */
}
#ifdef MAKECRCH
local void write_table(out, table)
FILE *out;
const unsigned long FAR *table;
{
int n;
for (n = 0; n < 256; n++)
fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", table[n],
n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", "));
}
#endif /* MAKECRCH */
#else /* !DYNAMIC_CRC_TABLE */
/* ========================================================================
* Tables of CRC-32s of all single-byte values, made by make_crc_table().
*/
#include "crc32.h"
#endif /* DYNAMIC_CRC_TABLE */
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
const unsigned long FAR * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
make_crc_table();
#endif /* DYNAMIC_CRC_TABLE */
return (const unsigned long FAR *)crc_table;
}
/* ========================================================================= */
#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)
#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
/* ========================================================================= */
unsigned long ZEXPORT crc32(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
unsigned len;
{
if (buf == Z_NULL) return 0UL;
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
make_crc_table();
#endif /* DYNAMIC_CRC_TABLE */
#ifdef BYFOUR
if (sizeof(void *) == sizeof(ptrdiff_t)) {
u4 endian;
endian = 1;
if (*((unsigned char *)(&endian)))
return crc32_little(crc, buf, len);
else
return crc32_big(crc, buf, len);
}
#endif /* BYFOUR */
crc = crc ^ 0xffffffffUL;
while (len >= 8) {
DO8;
len -= 8;
}
if (len) do {
DO1;
} while (--len);
return crc ^ 0xffffffffUL;
}
#ifdef BYFOUR
/* ========================================================================= */
#define DOLIT4 c ^= *buf4++; \
c = crc_table[3][c & 0xff] ^ crc_table[2][(c >> 8) & 0xff] ^ \
crc_table[1][(c >> 16) & 0xff] ^ crc_table[0][c >> 24]
#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4
/* ========================================================================= */
local unsigned long crc32_little(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
unsigned len;
{
register u4 c;
register const u4 FAR *buf4;
c = (u4)crc;
c = ~c;
while (len && ((ptrdiff_t)buf & 3)) {
c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
len--;
}
buf4 = (const u4 FAR *)(const void FAR *)buf;
while (len >= 32) {
DOLIT32;
len -= 32;
}
while (len >= 4) {
DOLIT4;
len -= 4;
}
buf = (const unsigned char FAR *)buf4;
if (len) do {
c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
} while (--len);
c = ~c;
return (unsigned long)c;
}
/* ========================================================================= */
#define DOBIG4 c ^= *++buf4; \
c = crc_table[4][c & 0xff] ^ crc_table[5][(c >> 8) & 0xff] ^ \
crc_table[6][(c >> 16) & 0xff] ^ crc_table[7][c >> 24]
#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4
/* ========================================================================= */
local unsigned long crc32_big(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
unsigned len;
{
register u4 c;
register const u4 FAR *buf4;
c = REV((u4)crc);
c = ~c;
while (len && ((ptrdiff_t)buf & 3)) {
c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
len--;
}
buf4 = (const u4 FAR *)(const void FAR *)buf;
buf4--;
while (len >= 32) {
DOBIG32;
len -= 32;
}
while (len >= 4) {
DOBIG4;
len -= 4;
}
buf4++;
buf = (const unsigned char FAR *)buf4;
if (len) do {
c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
} while (--len);
c = ~c;
return (unsigned long)(REV(c));
}
#endif /* BYFOUR */
#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */
/* ========================================================================= */
local unsigned long gf2_matrix_times(mat, vec)
unsigned long *mat;
unsigned long vec;
{
unsigned long sum;
sum = 0;
while (vec) {
if (vec & 1)
sum ^= *mat;
vec >>= 1;
mat++;
}
return sum;
}
/* ========================================================================= */
local void gf2_matrix_square(square, mat)
unsigned long *square;
unsigned long *mat;
{
int n;
for (n = 0; n < GF2_DIM; n++)
square[n] = gf2_matrix_times(mat, mat[n]);
}
/* ========================================================================= */
uLong ZEXPORT crc32_combine(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off_t len2;
{
int n;
unsigned long row;
unsigned long even[GF2_DIM]; /* even-power-of-two zeros operator */
unsigned long odd[GF2_DIM]; /* odd-power-of-two zeros operator */
/* degenerate case */
if (len2 == 0)
return crc1;
/* put operator for one zero bit in odd */
odd[0] = 0xedb88320L; /* CRC-32 polynomial */
row = 1;
for (n = 1; n < GF2_DIM; n++) {
odd[n] = row;
row <<= 1;
}
/* put operator for two zero bits in even */
gf2_matrix_square(even, odd);
/* put operator for four zero bits in odd */
gf2_matrix_square(odd, even);
/* apply len2 zeros to crc1 (first square will put the operator for one
zero byte, eight zero bits, in even) */
do {
/* apply zeros operator for this bit of len2 */
gf2_matrix_square(even, odd);
if (len2 & 1)
crc1 = gf2_matrix_times(even, crc1);
len2 >>= 1;
/* if no more bits set, then done */
if (len2 == 0)
break;
/* another iteration of the loop with odd and even swapped */
gf2_matrix_square(odd, even);
if (len2 & 1)
crc1 = gf2_matrix_times(odd, crc1);
len2 >>= 1;
/* if no more bits set, then done */
} while (len2 != 0);
/* return combined crc */
crc1 ^= crc2;
return crc1;
}

441
tools/bsnes/lib/zlib/crc32.h Executable file
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/* crc32.h -- tables for rapid CRC calculation
* Generated automatically by crc32.c
*/
local const unsigned long FAR crc_table[TBLS][256] =
{
{
0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
0x2d02ef8dUL
#ifdef BYFOUR
},
{
0x00000000UL, 0x191b3141UL, 0x32366282UL, 0x2b2d53c3UL, 0x646cc504UL,
0x7d77f445UL, 0x565aa786UL, 0x4f4196c7UL, 0xc8d98a08UL, 0xd1c2bb49UL,
0xfaefe88aUL, 0xe3f4d9cbUL, 0xacb54f0cUL, 0xb5ae7e4dUL, 0x9e832d8eUL,
0x87981ccfUL, 0x4ac21251UL, 0x53d92310UL, 0x78f470d3UL, 0x61ef4192UL,
0x2eaed755UL, 0x37b5e614UL, 0x1c98b5d7UL, 0x05838496UL, 0x821b9859UL,
0x9b00a918UL, 0xb02dfadbUL, 0xa936cb9aUL, 0xe6775d5dUL, 0xff6c6c1cUL,
0xd4413fdfUL, 0xcd5a0e9eUL, 0x958424a2UL, 0x8c9f15e3UL, 0xa7b24620UL,
0xbea97761UL, 0xf1e8e1a6UL, 0xe8f3d0e7UL, 0xc3de8324UL, 0xdac5b265UL,
0x5d5daeaaUL, 0x44469febUL, 0x6f6bcc28UL, 0x7670fd69UL, 0x39316baeUL,
0x202a5aefUL, 0x0b07092cUL, 0x121c386dUL, 0xdf4636f3UL, 0xc65d07b2UL,
0xed705471UL, 0xf46b6530UL, 0xbb2af3f7UL, 0xa231c2b6UL, 0x891c9175UL,
0x9007a034UL, 0x179fbcfbUL, 0x0e848dbaUL, 0x25a9de79UL, 0x3cb2ef38UL,
0x73f379ffUL, 0x6ae848beUL, 0x41c51b7dUL, 0x58de2a3cUL, 0xf0794f05UL,
0xe9627e44UL, 0xc24f2d87UL, 0xdb541cc6UL, 0x94158a01UL, 0x8d0ebb40UL,
0xa623e883UL, 0xbf38d9c2UL, 0x38a0c50dUL, 0x21bbf44cUL, 0x0a96a78fUL,
0x138d96ceUL, 0x5ccc0009UL, 0x45d73148UL, 0x6efa628bUL, 0x77e153caUL,
0xbabb5d54UL, 0xa3a06c15UL, 0x888d3fd6UL, 0x91960e97UL, 0xded79850UL,
0xc7cca911UL, 0xece1fad2UL, 0xf5facb93UL, 0x7262d75cUL, 0x6b79e61dUL,
0x4054b5deUL, 0x594f849fUL, 0x160e1258UL, 0x0f152319UL, 0x243870daUL,
0x3d23419bUL, 0x65fd6ba7UL, 0x7ce65ae6UL, 0x57cb0925UL, 0x4ed03864UL,
0x0191aea3UL, 0x188a9fe2UL, 0x33a7cc21UL, 0x2abcfd60UL, 0xad24e1afUL,
0xb43fd0eeUL, 0x9f12832dUL, 0x8609b26cUL, 0xc94824abUL, 0xd05315eaUL,
0xfb7e4629UL, 0xe2657768UL, 0x2f3f79f6UL, 0x362448b7UL, 0x1d091b74UL,
0x04122a35UL, 0x4b53bcf2UL, 0x52488db3UL, 0x7965de70UL, 0x607eef31UL,
0xe7e6f3feUL, 0xfefdc2bfUL, 0xd5d0917cUL, 0xcccba03dUL, 0x838a36faUL,
0x9a9107bbUL, 0xb1bc5478UL, 0xa8a76539UL, 0x3b83984bUL, 0x2298a90aUL,
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0x74c20e8cUL, 0xf35a1243UL, 0xea412302UL, 0xc16c70c1UL, 0xd8774180UL,
0x9736d747UL, 0x8e2de606UL, 0xa500b5c5UL, 0xbc1b8484UL, 0x71418a1aUL,
0x685abb5bUL, 0x4377e898UL, 0x5a6cd9d9UL, 0x152d4f1eUL, 0x0c367e5fUL,
0x271b2d9cUL, 0x3e001cddUL, 0xb9980012UL, 0xa0833153UL, 0x8bae6290UL,
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0xae07bce9UL, 0xb71c8da8UL, 0x9c31de6bUL, 0x852aef2aUL, 0xca6b79edUL,
0xd37048acUL, 0xf85d1b6fUL, 0xe1462a2eUL, 0x66de36e1UL, 0x7fc507a0UL,
0x54e85463UL, 0x4df36522UL, 0x02b2f3e5UL, 0x1ba9c2a4UL, 0x30849167UL,
0x299fa026UL, 0xe4c5aeb8UL, 0xfdde9ff9UL, 0xd6f3cc3aUL, 0xcfe8fd7bUL,
0x80a96bbcUL, 0x99b25afdUL, 0xb29f093eUL, 0xab84387fUL, 0x2c1c24b0UL,
0x350715f1UL, 0x1e2a4632UL, 0x07317773UL, 0x4870e1b4UL, 0x516bd0f5UL,
0x7a468336UL, 0x635db277UL, 0xcbfad74eUL, 0xd2e1e60fUL, 0xf9ccb5ccUL,
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0x03235d46UL, 0x1a386c07UL, 0x31153fc4UL, 0x280e0e85UL, 0x674f9842UL,
0x7e54a903UL, 0x5579fac0UL, 0x4c62cb81UL, 0x8138c51fUL, 0x9823f45eUL,
0xb30ea79dUL, 0xaa1596dcUL, 0xe554001bUL, 0xfc4f315aUL, 0xd7626299UL,
0xce7953d8UL, 0x49e14f17UL, 0x50fa7e56UL, 0x7bd72d95UL, 0x62cc1cd4UL,
0x2d8d8a13UL, 0x3496bb52UL, 0x1fbbe891UL, 0x06a0d9d0UL, 0x5e7ef3ecUL,
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0x0824546aUL, 0x113f652bUL, 0x96a779e4UL, 0x8fbc48a5UL, 0xa4911b66UL,
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0x69cb15f8UL, 0x42e6463bUL, 0x5bfd777aUL, 0xdc656bb5UL, 0xc57e5af4UL,
0xee530937UL, 0xf7483876UL, 0xb809aeb1UL, 0xa1129ff0UL, 0x8a3fcc33UL,
0x9324fd72UL
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{
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0x7417f172UL, 0x75d59b45UL, 0x7e89dc78UL, 0x7f4bb64fUL, 0x7d0d0816UL,
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0x99770513UL, 0x9b31bb4aUL, 0x9af3d17dUL, 0x8d893530UL, 0x8c4b5f07UL,
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0xb853f606UL, 0xb9919c31UL, 0xbcde8ab4UL, 0xbd1ce083UL, 0xbf5a5edaUL,
0xbe9834edUL
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0xcb0d0fa2UL, 0x73b168c7UL, 0x6104c729UL, 0xd9b8a04cUL, 0x446f98f5UL,
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0x842736dbUL, 0x96929935UL, 0x2e2efe50UL, 0x2654b999UL, 0x9ee8defcUL,
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0xe9dbf6c3UL, 0x516791a6UL, 0xccb0a91fUL, 0x740cce7aUL, 0x66b96194UL,
0xde0506f1UL
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{
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0x0671db01UL, 0xbc20d298UL, 0x2a10d5efUL, 0x8985b171UL, 0x1fb5b606UL,
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0x18980ee1UL, 0xbb0d6a7fUL, 0x2d3d6d08UL, 0x976c6491UL, 0x015c63e6UL,
0xf4516b6bUL, 0x62616c1cUL, 0xd8306585UL, 0x4e0062f2UL, 0xed95066cUL,
0x7ba5011bUL, 0xc1f40882UL, 0x57c40ff5UL, 0xc6d9b065UL, 0x50e9b712UL,
0xeab8be8bUL, 0x7c88b9fcUL, 0xdf1ddd62UL, 0x492dda15UL, 0xf37cd38cUL,
0x654cd4fbUL, 0x5861b24dUL, 0xce51b53aUL, 0x7400bca3UL, 0xe230bbd4UL,
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0xd2a30887UL, 0x68f2011eUL, 0xfec20669UL, 0x5d5762f7UL, 0xcb676580UL,
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0x95770cccUL, 0x03470bbbUL, 0xb9160222UL, 0x2f260555UL, 0xbe3bbac5UL,
0x280bbdb2UL, 0x925ab42bUL, 0x046ab35cUL, 0xa7ffd7c2UL, 0x31cfd0b5UL,
0x8b9ed92cUL, 0x1daede5bUL, 0xb0c2649bUL, 0x26f263ecUL, 0x9ca36a75UL,
0x0a936d02UL, 0xa906099cUL, 0x3f360eebUL, 0x85670772UL, 0x13570005UL,
0x824abf95UL, 0x147ab8e2UL, 0xae2bb17bUL, 0x381bb60cUL, 0x9b8ed292UL,
0x0dbed5e5UL, 0xb7efdc7cUL, 0x21dfdb0bUL, 0xd4d2d386UL, 0x42e2d4f1UL,
0xf8b3dd68UL, 0x6e83da1fUL, 0xcd16be81UL, 0x5b26b9f6UL, 0xe177b06fUL,
0x7747b718UL, 0xe65a0888UL, 0x706a0fffUL, 0xca3b0666UL, 0x5c0b0111UL,
0xff9e658fUL, 0x69ae62f8UL, 0xd3ff6b61UL, 0x45cf6c16UL, 0x78e20aa0UL,
0xeed20dd7UL, 0x5483044eUL, 0xc2b30339UL, 0x612667a7UL, 0xf71660d0UL,
0x4d476949UL, 0xdb776e3eUL, 0x4a6ad1aeUL, 0xdc5ad6d9UL, 0x660bdf40UL,
0xf03bd837UL, 0x53aebca9UL, 0xc59ebbdeUL, 0x7fcfb247UL, 0xe9ffb530UL,
0x1cf2bdbdUL, 0x8ac2bacaUL, 0x3093b353UL, 0xa6a3b424UL, 0x0536d0baUL,
0x9306d7cdUL, 0x2957de54UL, 0xbf67d923UL, 0x2e7a66b3UL, 0xb84a61c4UL,
0x021b685dUL, 0x942b6f2aUL, 0x37be0bb4UL, 0xa18e0cc3UL, 0x1bdf055aUL,
0x8def022dUL
},
{
0x00000000UL, 0x41311b19UL, 0x82623632UL, 0xc3532d2bUL, 0x04c56c64UL,
0x45f4777dUL, 0x86a75a56UL, 0xc796414fUL, 0x088ad9c8UL, 0x49bbc2d1UL,
0x8ae8effaUL, 0xcbd9f4e3UL, 0x0c4fb5acUL, 0x4d7eaeb5UL, 0x8e2d839eUL,
0xcf1c9887UL, 0x5112c24aUL, 0x1023d953UL, 0xd370f478UL, 0x9241ef61UL,
0x55d7ae2eUL, 0x14e6b537UL, 0xd7b5981cUL, 0x96848305UL, 0x59981b82UL,
0x18a9009bUL, 0xdbfa2db0UL, 0x9acb36a9UL, 0x5d5d77e6UL, 0x1c6c6cffUL,
0xdf3f41d4UL, 0x9e0e5acdUL, 0xa2248495UL, 0xe3159f8cUL, 0x2046b2a7UL,
0x6177a9beUL, 0xa6e1e8f1UL, 0xe7d0f3e8UL, 0x2483dec3UL, 0x65b2c5daUL,
0xaaae5d5dUL, 0xeb9f4644UL, 0x28cc6b6fUL, 0x69fd7076UL, 0xae6b3139UL,
0xef5a2a20UL, 0x2c09070bUL, 0x6d381c12UL, 0xf33646dfUL, 0xb2075dc6UL,
0x715470edUL, 0x30656bf4UL, 0xf7f32abbUL, 0xb6c231a2UL, 0x75911c89UL,
0x34a00790UL, 0xfbbc9f17UL, 0xba8d840eUL, 0x79dea925UL, 0x38efb23cUL,
0xff79f373UL, 0xbe48e86aUL, 0x7d1bc541UL, 0x3c2ade58UL, 0x054f79f0UL,
0x447e62e9UL, 0x872d4fc2UL, 0xc61c54dbUL, 0x018a1594UL, 0x40bb0e8dUL,
0x83e823a6UL, 0xc2d938bfUL, 0x0dc5a038UL, 0x4cf4bb21UL, 0x8fa7960aUL,
0xce968d13UL, 0x0900cc5cUL, 0x4831d745UL, 0x8b62fa6eUL, 0xca53e177UL,
0x545dbbbaUL, 0x156ca0a3UL, 0xd63f8d88UL, 0x970e9691UL, 0x5098d7deUL,
0x11a9ccc7UL, 0xd2fae1ecUL, 0x93cbfaf5UL, 0x5cd76272UL, 0x1de6796bUL,
0xdeb55440UL, 0x9f844f59UL, 0x58120e16UL, 0x1923150fUL, 0xda703824UL,
0x9b41233dUL, 0xa76bfd65UL, 0xe65ae67cUL, 0x2509cb57UL, 0x6438d04eUL,
0xa3ae9101UL, 0xe29f8a18UL, 0x21cca733UL, 0x60fdbc2aUL, 0xafe124adUL,
0xeed03fb4UL, 0x2d83129fUL, 0x6cb20986UL, 0xab2448c9UL, 0xea1553d0UL,
0x29467efbUL, 0x687765e2UL, 0xf6793f2fUL, 0xb7482436UL, 0x741b091dUL,
0x352a1204UL, 0xf2bc534bUL, 0xb38d4852UL, 0x70de6579UL, 0x31ef7e60UL,
0xfef3e6e7UL, 0xbfc2fdfeUL, 0x7c91d0d5UL, 0x3da0cbccUL, 0xfa368a83UL,
0xbb07919aUL, 0x7854bcb1UL, 0x3965a7a8UL, 0x4b98833bUL, 0x0aa99822UL,
0xc9fab509UL, 0x88cbae10UL, 0x4f5def5fUL, 0x0e6cf446UL, 0xcd3fd96dUL,
0x8c0ec274UL, 0x43125af3UL, 0x022341eaUL, 0xc1706cc1UL, 0x804177d8UL,
0x47d73697UL, 0x06e62d8eUL, 0xc5b500a5UL, 0x84841bbcUL, 0x1a8a4171UL,
0x5bbb5a68UL, 0x98e87743UL, 0xd9d96c5aUL, 0x1e4f2d15UL, 0x5f7e360cUL,
0x9c2d1b27UL, 0xdd1c003eUL, 0x120098b9UL, 0x533183a0UL, 0x9062ae8bUL,
0xd153b592UL, 0x16c5f4ddUL, 0x57f4efc4UL, 0x94a7c2efUL, 0xd596d9f6UL,
0xe9bc07aeUL, 0xa88d1cb7UL, 0x6bde319cUL, 0x2aef2a85UL, 0xed796bcaUL,
0xac4870d3UL, 0x6f1b5df8UL, 0x2e2a46e1UL, 0xe136de66UL, 0xa007c57fUL,
0x6354e854UL, 0x2265f34dUL, 0xe5f3b202UL, 0xa4c2a91bUL, 0x67918430UL,
0x26a09f29UL, 0xb8aec5e4UL, 0xf99fdefdUL, 0x3accf3d6UL, 0x7bfde8cfUL,
0xbc6ba980UL, 0xfd5ab299UL, 0x3e099fb2UL, 0x7f3884abUL, 0xb0241c2cUL,
0xf1150735UL, 0x32462a1eUL, 0x73773107UL, 0xb4e17048UL, 0xf5d06b51UL,
0x3683467aUL, 0x77b25d63UL, 0x4ed7facbUL, 0x0fe6e1d2UL, 0xccb5ccf9UL,
0x8d84d7e0UL, 0x4a1296afUL, 0x0b238db6UL, 0xc870a09dUL, 0x8941bb84UL,
0x465d2303UL, 0x076c381aUL, 0xc43f1531UL, 0x850e0e28UL, 0x42984f67UL,
0x03a9547eUL, 0xc0fa7955UL, 0x81cb624cUL, 0x1fc53881UL, 0x5ef42398UL,
0x9da70eb3UL, 0xdc9615aaUL, 0x1b0054e5UL, 0x5a314ffcUL, 0x996262d7UL,
0xd85379ceUL, 0x174fe149UL, 0x567efa50UL, 0x952dd77bUL, 0xd41ccc62UL,
0x138a8d2dUL, 0x52bb9634UL, 0x91e8bb1fUL, 0xd0d9a006UL, 0xecf37e5eUL,
0xadc26547UL, 0x6e91486cUL, 0x2fa05375UL, 0xe836123aUL, 0xa9070923UL,
0x6a542408UL, 0x2b653f11UL, 0xe479a796UL, 0xa548bc8fUL, 0x661b91a4UL,
0x272a8abdUL, 0xe0bccbf2UL, 0xa18dd0ebUL, 0x62defdc0UL, 0x23efe6d9UL,
0xbde1bc14UL, 0xfcd0a70dUL, 0x3f838a26UL, 0x7eb2913fUL, 0xb924d070UL,
0xf815cb69UL, 0x3b46e642UL, 0x7a77fd5bUL, 0xb56b65dcUL, 0xf45a7ec5UL,
0x370953eeUL, 0x763848f7UL, 0xb1ae09b8UL, 0xf09f12a1UL, 0x33cc3f8aUL,
0x72fd2493UL
},
{
0x00000000UL, 0x376ac201UL, 0x6ed48403UL, 0x59be4602UL, 0xdca80907UL,
0xebc2cb06UL, 0xb27c8d04UL, 0x85164f05UL, 0xb851130eUL, 0x8f3bd10fUL,
0xd685970dUL, 0xe1ef550cUL, 0x64f91a09UL, 0x5393d808UL, 0x0a2d9e0aUL,
0x3d475c0bUL, 0x70a3261cUL, 0x47c9e41dUL, 0x1e77a21fUL, 0x291d601eUL,
0xac0b2f1bUL, 0x9b61ed1aUL, 0xc2dfab18UL, 0xf5b56919UL, 0xc8f23512UL,
0xff98f713UL, 0xa626b111UL, 0x914c7310UL, 0x145a3c15UL, 0x2330fe14UL,
0x7a8eb816UL, 0x4de47a17UL, 0xe0464d38UL, 0xd72c8f39UL, 0x8e92c93bUL,
0xb9f80b3aUL, 0x3cee443fUL, 0x0b84863eUL, 0x523ac03cUL, 0x6550023dUL,
0x58175e36UL, 0x6f7d9c37UL, 0x36c3da35UL, 0x01a91834UL, 0x84bf5731UL,
0xb3d59530UL, 0xea6bd332UL, 0xdd011133UL, 0x90e56b24UL, 0xa78fa925UL,
0xfe31ef27UL, 0xc95b2d26UL, 0x4c4d6223UL, 0x7b27a022UL, 0x2299e620UL,
0x15f32421UL, 0x28b4782aUL, 0x1fdeba2bUL, 0x4660fc29UL, 0x710a3e28UL,
0xf41c712dUL, 0xc376b32cUL, 0x9ac8f52eUL, 0xada2372fUL, 0xc08d9a70UL,
0xf7e75871UL, 0xae591e73UL, 0x9933dc72UL, 0x1c259377UL, 0x2b4f5176UL,
0x72f11774UL, 0x459bd575UL, 0x78dc897eUL, 0x4fb64b7fUL, 0x16080d7dUL,
0x2162cf7cUL, 0xa4748079UL, 0x931e4278UL, 0xcaa0047aUL, 0xfdcac67bUL,
0xb02ebc6cUL, 0x87447e6dUL, 0xdefa386fUL, 0xe990fa6eUL, 0x6c86b56bUL,
0x5bec776aUL, 0x02523168UL, 0x3538f369UL, 0x087faf62UL, 0x3f156d63UL,
0x66ab2b61UL, 0x51c1e960UL, 0xd4d7a665UL, 0xe3bd6464UL, 0xba032266UL,
0x8d69e067UL, 0x20cbd748UL, 0x17a11549UL, 0x4e1f534bUL, 0x7975914aUL,
0xfc63de4fUL, 0xcb091c4eUL, 0x92b75a4cUL, 0xa5dd984dUL, 0x989ac446UL,
0xaff00647UL, 0xf64e4045UL, 0xc1248244UL, 0x4432cd41UL, 0x73580f40UL,
0x2ae64942UL, 0x1d8c8b43UL, 0x5068f154UL, 0x67023355UL, 0x3ebc7557UL,
0x09d6b756UL, 0x8cc0f853UL, 0xbbaa3a52UL, 0xe2147c50UL, 0xd57ebe51UL,
0xe839e25aUL, 0xdf53205bUL, 0x86ed6659UL, 0xb187a458UL, 0x3491eb5dUL,
0x03fb295cUL, 0x5a456f5eUL, 0x6d2fad5fUL, 0x801b35e1UL, 0xb771f7e0UL,
0xeecfb1e2UL, 0xd9a573e3UL, 0x5cb33ce6UL, 0x6bd9fee7UL, 0x3267b8e5UL,
0x050d7ae4UL, 0x384a26efUL, 0x0f20e4eeUL, 0x569ea2ecUL, 0x61f460edUL,
0xe4e22fe8UL, 0xd388ede9UL, 0x8a36abebUL, 0xbd5c69eaUL, 0xf0b813fdUL,
0xc7d2d1fcUL, 0x9e6c97feUL, 0xa90655ffUL, 0x2c101afaUL, 0x1b7ad8fbUL,
0x42c49ef9UL, 0x75ae5cf8UL, 0x48e900f3UL, 0x7f83c2f2UL, 0x263d84f0UL,
0x115746f1UL, 0x944109f4UL, 0xa32bcbf5UL, 0xfa958df7UL, 0xcdff4ff6UL,
0x605d78d9UL, 0x5737bad8UL, 0x0e89fcdaUL, 0x39e33edbUL, 0xbcf571deUL,
0x8b9fb3dfUL, 0xd221f5ddUL, 0xe54b37dcUL, 0xd80c6bd7UL, 0xef66a9d6UL,
0xb6d8efd4UL, 0x81b22dd5UL, 0x04a462d0UL, 0x33cea0d1UL, 0x6a70e6d3UL,
0x5d1a24d2UL, 0x10fe5ec5UL, 0x27949cc4UL, 0x7e2adac6UL, 0x494018c7UL,
0xcc5657c2UL, 0xfb3c95c3UL, 0xa282d3c1UL, 0x95e811c0UL, 0xa8af4dcbUL,
0x9fc58fcaUL, 0xc67bc9c8UL, 0xf1110bc9UL, 0x740744ccUL, 0x436d86cdUL,
0x1ad3c0cfUL, 0x2db902ceUL, 0x4096af91UL, 0x77fc6d90UL, 0x2e422b92UL,
0x1928e993UL, 0x9c3ea696UL, 0xab546497UL, 0xf2ea2295UL, 0xc580e094UL,
0xf8c7bc9fUL, 0xcfad7e9eUL, 0x9613389cUL, 0xa179fa9dUL, 0x246fb598UL,
0x13057799UL, 0x4abb319bUL, 0x7dd1f39aUL, 0x3035898dUL, 0x075f4b8cUL,
0x5ee10d8eUL, 0x698bcf8fUL, 0xec9d808aUL, 0xdbf7428bUL, 0x82490489UL,
0xb523c688UL, 0x88649a83UL, 0xbf0e5882UL, 0xe6b01e80UL, 0xd1dadc81UL,
0x54cc9384UL, 0x63a65185UL, 0x3a181787UL, 0x0d72d586UL, 0xa0d0e2a9UL,
0x97ba20a8UL, 0xce0466aaUL, 0xf96ea4abUL, 0x7c78ebaeUL, 0x4b1229afUL,
0x12ac6fadUL, 0x25c6adacUL, 0x1881f1a7UL, 0x2feb33a6UL, 0x765575a4UL,
0x413fb7a5UL, 0xc429f8a0UL, 0xf3433aa1UL, 0xaafd7ca3UL, 0x9d97bea2UL,
0xd073c4b5UL, 0xe71906b4UL, 0xbea740b6UL, 0x89cd82b7UL, 0x0cdbcdb2UL,
0x3bb10fb3UL, 0x620f49b1UL, 0x55658bb0UL, 0x6822d7bbUL, 0x5f4815baUL,
0x06f653b8UL, 0x319c91b9UL, 0xb48adebcUL, 0x83e01cbdUL, 0xda5e5abfUL,
0xed3498beUL
},
{
0x00000000UL, 0x6567bcb8UL, 0x8bc809aaUL, 0xeeafb512UL, 0x5797628fUL,
0x32f0de37UL, 0xdc5f6b25UL, 0xb938d79dUL, 0xef28b4c5UL, 0x8a4f087dUL,
0x64e0bd6fUL, 0x018701d7UL, 0xb8bfd64aUL, 0xddd86af2UL, 0x3377dfe0UL,
0x56106358UL, 0x9f571950UL, 0xfa30a5e8UL, 0x149f10faUL, 0x71f8ac42UL,
0xc8c07bdfUL, 0xada7c767UL, 0x43087275UL, 0x266fcecdUL, 0x707fad95UL,
0x1518112dUL, 0xfbb7a43fUL, 0x9ed01887UL, 0x27e8cf1aUL, 0x428f73a2UL,
0xac20c6b0UL, 0xc9477a08UL, 0x3eaf32a0UL, 0x5bc88e18UL, 0xb5673b0aUL,
0xd00087b2UL, 0x6938502fUL, 0x0c5fec97UL, 0xe2f05985UL, 0x8797e53dUL,
0xd1878665UL, 0xb4e03addUL, 0x5a4f8fcfUL, 0x3f283377UL, 0x8610e4eaUL,
0xe3775852UL, 0x0dd8ed40UL, 0x68bf51f8UL, 0xa1f82bf0UL, 0xc49f9748UL,
0x2a30225aUL, 0x4f579ee2UL, 0xf66f497fUL, 0x9308f5c7UL, 0x7da740d5UL,
0x18c0fc6dUL, 0x4ed09f35UL, 0x2bb7238dUL, 0xc518969fUL, 0xa07f2a27UL,
0x1947fdbaUL, 0x7c204102UL, 0x928ff410UL, 0xf7e848a8UL, 0x3d58149bUL,
0x583fa823UL, 0xb6901d31UL, 0xd3f7a189UL, 0x6acf7614UL, 0x0fa8caacUL,
0xe1077fbeUL, 0x8460c306UL, 0xd270a05eUL, 0xb7171ce6UL, 0x59b8a9f4UL,
0x3cdf154cUL, 0x85e7c2d1UL, 0xe0807e69UL, 0x0e2fcb7bUL, 0x6b4877c3UL,
0xa20f0dcbUL, 0xc768b173UL, 0x29c70461UL, 0x4ca0b8d9UL, 0xf5986f44UL,
0x90ffd3fcUL, 0x7e5066eeUL, 0x1b37da56UL, 0x4d27b90eUL, 0x284005b6UL,
0xc6efb0a4UL, 0xa3880c1cUL, 0x1ab0db81UL, 0x7fd76739UL, 0x9178d22bUL,
0xf41f6e93UL, 0x03f7263bUL, 0x66909a83UL, 0x883f2f91UL, 0xed589329UL,
0x546044b4UL, 0x3107f80cUL, 0xdfa84d1eUL, 0xbacff1a6UL, 0xecdf92feUL,
0x89b82e46UL, 0x67179b54UL, 0x027027ecUL, 0xbb48f071UL, 0xde2f4cc9UL,
0x3080f9dbUL, 0x55e74563UL, 0x9ca03f6bUL, 0xf9c783d3UL, 0x176836c1UL,
0x720f8a79UL, 0xcb375de4UL, 0xae50e15cUL, 0x40ff544eUL, 0x2598e8f6UL,
0x73888baeUL, 0x16ef3716UL, 0xf8408204UL, 0x9d273ebcUL, 0x241fe921UL,
0x41785599UL, 0xafd7e08bUL, 0xcab05c33UL, 0x3bb659edUL, 0x5ed1e555UL,
0xb07e5047UL, 0xd519ecffUL, 0x6c213b62UL, 0x094687daUL, 0xe7e932c8UL,
0x828e8e70UL, 0xd49eed28UL, 0xb1f95190UL, 0x5f56e482UL, 0x3a31583aUL,
0x83098fa7UL, 0xe66e331fUL, 0x08c1860dUL, 0x6da63ab5UL, 0xa4e140bdUL,
0xc186fc05UL, 0x2f294917UL, 0x4a4ef5afUL, 0xf3762232UL, 0x96119e8aUL,
0x78be2b98UL, 0x1dd99720UL, 0x4bc9f478UL, 0x2eae48c0UL, 0xc001fdd2UL,
0xa566416aUL, 0x1c5e96f7UL, 0x79392a4fUL, 0x97969f5dUL, 0xf2f123e5UL,
0x05196b4dUL, 0x607ed7f5UL, 0x8ed162e7UL, 0xebb6de5fUL, 0x528e09c2UL,
0x37e9b57aUL, 0xd9460068UL, 0xbc21bcd0UL, 0xea31df88UL, 0x8f566330UL,
0x61f9d622UL, 0x049e6a9aUL, 0xbda6bd07UL, 0xd8c101bfUL, 0x366eb4adUL,
0x53090815UL, 0x9a4e721dUL, 0xff29cea5UL, 0x11867bb7UL, 0x74e1c70fUL,
0xcdd91092UL, 0xa8beac2aUL, 0x46111938UL, 0x2376a580UL, 0x7566c6d8UL,
0x10017a60UL, 0xfeaecf72UL, 0x9bc973caUL, 0x22f1a457UL, 0x479618efUL,
0xa939adfdUL, 0xcc5e1145UL, 0x06ee4d76UL, 0x6389f1ceUL, 0x8d2644dcUL,
0xe841f864UL, 0x51792ff9UL, 0x341e9341UL, 0xdab12653UL, 0xbfd69aebUL,
0xe9c6f9b3UL, 0x8ca1450bUL, 0x620ef019UL, 0x07694ca1UL, 0xbe519b3cUL,
0xdb362784UL, 0x35999296UL, 0x50fe2e2eUL, 0x99b95426UL, 0xfcdee89eUL,
0x12715d8cUL, 0x7716e134UL, 0xce2e36a9UL, 0xab498a11UL, 0x45e63f03UL,
0x208183bbUL, 0x7691e0e3UL, 0x13f65c5bUL, 0xfd59e949UL, 0x983e55f1UL,
0x2106826cUL, 0x44613ed4UL, 0xaace8bc6UL, 0xcfa9377eUL, 0x38417fd6UL,
0x5d26c36eUL, 0xb389767cUL, 0xd6eecac4UL, 0x6fd61d59UL, 0x0ab1a1e1UL,
0xe41e14f3UL, 0x8179a84bUL, 0xd769cb13UL, 0xb20e77abUL, 0x5ca1c2b9UL,
0x39c67e01UL, 0x80fea99cUL, 0xe5991524UL, 0x0b36a036UL, 0x6e511c8eUL,
0xa7166686UL, 0xc271da3eUL, 0x2cde6f2cUL, 0x49b9d394UL, 0xf0810409UL,
0x95e6b8b1UL, 0x7b490da3UL, 0x1e2eb11bUL, 0x483ed243UL, 0x2d596efbUL,
0xc3f6dbe9UL, 0xa6916751UL, 0x1fa9b0ccUL, 0x7ace0c74UL, 0x9461b966UL,
0xf10605deUL
#endif
}
};

132
tools/bsnes/lib/zlib/crypt.h Executable file
View File

@ -0,0 +1,132 @@
/* crypt.h -- base code for crypt/uncrypt ZIPfile
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
This code is a modified version of crypting code in Infozip distribution
The encryption/decryption parts of this source code (as opposed to the
non-echoing password parts) were originally written in Europe. The
whole source package can be freely distributed, including from the USA.
(Prior to January 2000, re-export from the US was a violation of US law.)
This encryption code is a direct transcription of the algorithm from
Roger Schlafly, described by Phil Katz in the file appnote.txt. This
file (appnote.txt) is distributed with the PKZIP program (even in the
version without encryption capabilities).
If you don't need crypting in your application, just define symbols
NOCRYPT and NOUNCRYPT.
This code support the "Traditional PKWARE Encryption".
The new AES encryption added on Zip format by Winzip (see the page
http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong
Encryption is not supported.
*/
#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8))
/***********************************************************************
* Return the next byte in the pseudo-random sequence
*/
static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab)
{
unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an
* unpredictable manner on 16-bit systems; not a problem
* with any known compiler so far, though */
temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2;
return (int)(((temp * (temp ^ 1)) >> 8) & 0xff);
}
/***********************************************************************
* Update the encryption keys with the next byte of plain text
*/
static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c)
{
(*(pkeys+0)) = CRC32((*(pkeys+0)), c);
(*(pkeys+1)) += (*(pkeys+0)) & 0xff;
(*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1;
{
register int keyshift = (int)((*(pkeys+1)) >> 24);
(*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift);
}
return c;
}
/***********************************************************************
* Initialize the encryption keys and the random header according to
* the given password.
*/
static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab)
{
*(pkeys+0) = 305419896L;
*(pkeys+1) = 591751049L;
*(pkeys+2) = 878082192L;
while (*passwd != '\0') {
update_keys(pkeys,pcrc_32_tab,(int)*passwd);
passwd++;
}
}
#define zdecode(pkeys,pcrc_32_tab,c) \
(update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab)))
#define zencode(pkeys,pcrc_32_tab,c,t) \
(t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c))
#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED
#define RAND_HEAD_LEN 12
/* "last resort" source for second part of crypt seed pattern */
# ifndef ZCR_SEED2
# define ZCR_SEED2 3141592654UL /* use PI as default pattern */
# endif
static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting)
const char *passwd; /* password string */
unsigned char *buf; /* where to write header */
int bufSize;
unsigned long* pkeys;
const unsigned long* pcrc_32_tab;
unsigned long crcForCrypting;
{
int n; /* index in random header */
int t; /* temporary */
int c; /* random byte */
unsigned char header[RAND_HEAD_LEN-2]; /* random header */
static unsigned calls = 0; /* ensure different random header each time */
if (bufSize<RAND_HEAD_LEN)
return 0;
/* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the
* output of rand() to get less predictability, since rand() is
* often poorly implemented.
*/
if (++calls == 1)
{
srand((unsigned)(time(NULL) ^ ZCR_SEED2));
}
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
{
c = (rand() >> 7) & 0xff;
header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t);
}
/* Encrypt random header (last two bytes is high word of crc) */
init_keys(passwd, pkeys, pcrc_32_tab);
for (n = 0; n < RAND_HEAD_LEN-2; n++)
{
buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t);
}
buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t);
buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t);
return n;
}
#endif

1736
tools/bsnes/lib/zlib/deflate.c Executable file

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331
tools/bsnes/lib/zlib/deflate.h Executable file
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/* deflate.h -- internal compression state
* Copyright (C) 1995-2004 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* @(#) $Id: deflate.h,v 1.3 2005/07/27 18:15:11 nach Exp $ */
#ifndef DEFLATE_H
#define DEFLATE_H
#include "zutil.h"
/* define NO_GZIP when compiling if you want to disable gzip header and
trailer creation by deflate(). NO_GZIP would be used to avoid linking in
the crc code when it is not needed. For shared libraries, gzip encoding
should be left enabled. */
#ifndef NO_GZIP
# define GZIP
#endif
/* ===========================================================================
* Internal compression state.
*/
#define LENGTH_CODES 29
/* number of length codes, not counting the special END_BLOCK code */
#define LITERALS 256
/* number of literal bytes 0..255 */
#define L_CODES (LITERALS+1+LENGTH_CODES)
/* number of Literal or Length codes, including the END_BLOCK code */
#define D_CODES 30
/* number of distance codes */
#define BL_CODES 19
/* number of codes used to transfer the bit lengths */
#define HEAP_SIZE (2*L_CODES+1)
/* maximum heap size */
#define MAX_BITS 15
/* All codes must not exceed MAX_BITS bits */
#define INIT_STATE 42
#define EXTRA_STATE 69
#define NAME_STATE 73
#define COMMENT_STATE 91
#define HCRC_STATE 103
#define BUSY_STATE 113
#define FINISH_STATE 666
/* Stream status */
/* Data structure describing a single value and its code string. */
typedef struct ct_data_s {
union {
ush freq; /* frequency count */
ush code; /* bit string */
} fc;
union {
ush dad; /* father node in Huffman tree */
ush len; /* length of bit string */
} dl;
} FAR ct_data;
#define Freq fc.freq
#define Code fc.code
#define Dad dl.dad
#define Len dl.len
typedef struct static_tree_desc_s static_tree_desc;
typedef struct tree_desc_s {
ct_data *dyn_tree; /* the dynamic tree */
int max_code; /* largest code with non zero frequency */
static_tree_desc *stat_desc; /* the corresponding static tree */
} FAR tree_desc;
typedef ush Pos;
typedef Pos FAR Posf;
typedef unsigned IPos;
/* A Pos is an index in the character window. We use short instead of int to
* save space in the various tables. IPos is used only for parameter passing.
*/
typedef struct internal_state {
z_streamp strm; /* pointer back to this zlib stream */
int status; /* as the name implies */
Bytef *pending_buf; /* output still pending */
ulg pending_buf_size; /* size of pending_buf */
Bytef *pending_out; /* next pending byte to output to the stream */
uInt pending; /* nb of bytes in the pending buffer */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
gz_headerp gzhead; /* gzip header information to write */
uInt gzindex; /* where in extra, name, or comment */
Byte method; /* STORED (for zip only) or DEFLATED */
int last_flush; /* value of flush param for previous deflate call */
/* used by deflate.c: */
uInt w_size; /* LZ77 window size (32K by default) */
uInt w_bits; /* log2(w_size) (8..16) */
uInt w_mask; /* w_size - 1 */
Bytef *window;
/* Sliding window. Input bytes are read into the second half of the window,
* and move to the first half later to keep a dictionary of at least wSize
* bytes. With this organization, matches are limited to a distance of
* wSize-MAX_MATCH bytes, but this ensures that IO is always
* performed with a length multiple of the block size. Also, it limits
* the window size to 64K, which is quite useful on MSDOS.
* To do: use the user input buffer as sliding window.
*/
ulg window_size;
/* Actual size of window: 2*wSize, except when the user input buffer
* is directly used as sliding window.
*/
Posf *prev;
/* Link to older string with same hash index. To limit the size of this
* array to 64K, this link is maintained only for the last 32K strings.
* An index in this array is thus a window index modulo 32K.
*/
Posf *head; /* Heads of the hash chains or NIL. */
uInt ins_h; /* hash index of string to be inserted */
uInt hash_size; /* number of elements in hash table */
uInt hash_bits; /* log2(hash_size) */
uInt hash_mask; /* hash_size-1 */
uInt hash_shift;
/* Number of bits by which ins_h must be shifted at each input
* step. It must be such that after MIN_MATCH steps, the oldest
* byte no longer takes part in the hash key, that is:
* hash_shift * MIN_MATCH >= hash_bits
*/
long block_start;
/* Window position at the beginning of the current output block. Gets
* negative when the window is moved backwards.
*/
uInt match_length; /* length of best match */
IPos prev_match; /* previous match */
int match_available; /* set if previous match exists */
uInt strstart; /* start of string to insert */
uInt match_start; /* start of matching string */
uInt lookahead; /* number of valid bytes ahead in window */
uInt prev_length;
/* Length of the best match at previous step. Matches not greater than this
* are discarded. This is used in the lazy match evaluation.
*/
uInt max_chain_length;
/* To speed up deflation, hash chains are never searched beyond this
* length. A higher limit improves compression ratio but degrades the
* speed.
*/
uInt max_lazy_match;
/* Attempt to find a better match only when the current match is strictly
* smaller than this value. This mechanism is used only for compression
* levels >= 4.
*/
# define max_insert_length max_lazy_match
/* Insert new strings in the hash table only if the match length is not
* greater than this length. This saves time but degrades compression.
* max_insert_length is used only for compression levels <= 3.
*/
int level; /* compression level (1..9) */
int strategy; /* favor or force Huffman coding*/
uInt good_match;
/* Use a faster search when the previous match is longer than this */
int nice_match; /* Stop searching when current match exceeds this */
/* used by trees.c: */
/* Didn't use ct_data typedef below to supress compiler warning */
struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */
struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */
struct tree_desc_s l_desc; /* desc. for literal tree */
struct tree_desc_s d_desc; /* desc. for distance tree */
struct tree_desc_s bl_desc; /* desc. for bit length tree */
ush bl_count[MAX_BITS+1];
/* number of codes at each bit length for an optimal tree */
int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */
int heap_len; /* number of elements in the heap */
int heap_max; /* element of largest frequency */
/* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
* The same heap array is used to build all trees.
*/
uch depth[2*L_CODES+1];
/* Depth of each subtree used as tie breaker for trees of equal frequency
*/
uchf *l_buf; /* buffer for literals or lengths */
uInt lit_bufsize;
/* Size of match buffer for literals/lengths. There are 4 reasons for
* limiting lit_bufsize to 64K:
* - frequencies can be kept in 16 bit counters
* - if compression is not successful for the first block, all input
* data is still in the window so we can still emit a stored block even
* when input comes from standard input. (This can also be done for
* all blocks if lit_bufsize is not greater than 32K.)
* - if compression is not successful for a file smaller than 64K, we can
* even emit a stored file instead of a stored block (saving 5 bytes).
* This is applicable only for zip (not gzip or zlib).
* - creating new Huffman trees less frequently may not provide fast
* adaptation to changes in the input data statistics. (Take for
* example a binary file with poorly compressible code followed by
* a highly compressible string table.) Smaller buffer sizes give
* fast adaptation but have of course the overhead of transmitting
* trees more frequently.
* - I can't count above 4
*/
uInt last_lit; /* running index in l_buf */
ushf *d_buf;
/* Buffer for distances. To simplify the code, d_buf and l_buf have
* the same number of elements. To use different lengths, an extra flag
* array would be necessary.
*/
ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */
uInt matches; /* number of string matches in current block */
int last_eob_len; /* bit length of EOB code for last block */
#ifdef DEBUG
ulg compressed_len; /* total bit length of compressed file mod 2^32 */
ulg bits_sent; /* bit length of compressed data sent mod 2^32 */
#endif
ush bi_buf;
/* Output buffer. bits are inserted starting at the bottom (least
* significant bits).
*/
int bi_valid;
/* Number of valid bits in bi_buf. All bits above the last valid bit
* are always zero.
*/
} FAR deflate_state;
/* Output a byte on the stream.
* IN assertion: there is enough room in pending_buf.
*/
#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);}
#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
/* Minimum amount of lookahead, except at the end of the input file.
* See deflate.c for comments about the MIN_MATCH+1.
*/
#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD)
/* In order to simplify the code, particularly on 16 bit machines, match
* distances are limited to MAX_DIST instead of WSIZE.
*/
/* in trees.c */
void _tr_init OF((deflate_state *s));
int _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
void _tr_flush_block OF((deflate_state *s, charf *buf, ulg stored_len,
int eof));
void _tr_align OF((deflate_state *s));
void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len,
int eof));
#define d_code(dist) \
((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
/* Mapping from a distance to a distance code. dist is the distance - 1 and
* must not have side effects. _dist_code[256] and _dist_code[257] are never
* used.
*/
#ifndef DEBUG
/* Inline versions of _tr_tally for speed: */
#if defined(GEN_TREES_H) || !defined(STDC)
extern uch _length_code[];
extern uch _dist_code[];
#else
extern const uch _length_code[];
extern const uch _dist_code[];
#endif
# define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \
s->d_buf[s->last_lit] = 0; \
s->l_buf[s->last_lit++] = cc; \
s->dyn_ltree[cc].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
}
# define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (length); \
ush dist = (distance); \
s->d_buf[s->last_lit] = dist; \
s->l_buf[s->last_lit++] = len; \
dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
}
#else
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
# define _tr_tally_dist(s, distance, length, flush) \
flush = _tr_tally(s, distance, length)
#endif
#endif /* DEFLATE_H */

1026
tools/bsnes/lib/zlib/gzio.c Executable file

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724
tools/bsnes/lib/zlib/inffast.c Executable file
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/* inffast.c -- fast decoding
* Copyright (C) 1995-2004 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "inflate.h"
#include "inffast.h"
#ifdef __i386__
void inflate_fast(strm, start)
z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
struct inflate_state FAR *state;
struct inffast_ar {
void *esp; /* esp save */
unsigned char FAR *in; /* local strm->next_in */
unsigned char FAR *last; /* while in < last, enough input available */
unsigned char FAR *out; /* local strm->next_out */
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
unsigned char FAR *end; /* while out < end, enough space available */
unsigned wsize; /* window size or zero if not using window */
unsigned write; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */
unsigned long hold; /* local strm->hold */
unsigned bits; /* local strm->bits */
code const FAR *lcode; /* local strm->lencode */
code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */
unsigned len; /* match length, unused bytes */
unsigned dist; /* match distance */
unsigned status; /* this is set when state changes */
} ar;
/* copy state to local variables */
state = (struct inflate_state FAR *)strm->state;
ar.in = strm->next_in;
ar.last = ar.in + (strm->avail_in - 5);
ar.out = strm->next_out;
ar.beg = ar.out - (start - strm->avail_out);
ar.end = ar.out + (strm->avail_out - 257);
ar.wsize = state->wsize;
ar.write = state->write;
ar.window = state->window;
ar.hold = state->hold;
ar.bits = state->bits;
ar.lcode = state->lencode;
ar.dcode = state->distcode;
ar.lmask = (1U << state->lenbits) - 1;
ar.dmask = (1U << state->distbits) - 1;
/* decode literals and length/distances until end-of-block or not enough
input data or output space */
/* align in on 2 byte boundary */
if (((unsigned long)(void *)ar.in & 0x1) != 0) {
ar.hold += (unsigned long)*ar.in++ << ar.bits;
ar.bits += 8;
}
__asm__ __volatile__ (
" leal %0, %%eax\n"
" pushf\n"
" pushl %%ebp\n"
" movl %%esp, (%%eax)\n"
" movl %%eax, %%esp\n"
" movl 4(%%esp), %%esi\n" /* esi = in */
" movl 12(%%esp), %%edi\n" /* edi = out */
" movl 36(%%esp), %%edx\n" /* edx = hold */
" movl 40(%%esp), %%ebx\n" /* ebx = bits */
" movl 44(%%esp), %%ebp\n" /* ebp = lcode */
" cld\n"
" jmp .L_do_loop\n"
".L_while_test:\n"
" cmpl %%edi, 20(%%esp)\n"
" jbe .L_break_loop\n"
" cmpl %%esi, 8(%%esp)\n"
" jbe .L_break_loop\n"
".L_do_loop:\n"
" cmpb $15, %%bl\n"
" ja .L_get_length_code\n" /* if (15 < bits) */
" xorl %%eax, %%eax\n"
" lodsw\n" /* al = *(ushort *)in++ */
" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
" addb $16, %%bl\n" /* bits += 16 */
" shll %%cl, %%eax\n"
" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
".L_get_length_code:\n"
" movl 52(%%esp), %%eax\n" /* eax = lmask */
" andl %%edx, %%eax\n" /* eax &= hold */
" movl (%%ebp,%%eax,4), %%eax\n" /* eax = lcode[hold & lmask] */
".L_dolen:\n"
" movb %%ah, %%cl\n" /* cl = this.bits */
" subb %%ah, %%bl\n" /* bits -= this.bits */
" shrl %%cl, %%edx\n" /* hold >>= this.bits */
" testb %%al, %%al\n"
" jnz .L_test_for_length_base\n" /* if (op != 0) 45.7% */
" shrl $16, %%eax\n" /* output this.val char */
" stosb\n"
" jmp .L_while_test\n"
".L_test_for_length_base:\n"
" movl %%eax, %%ecx\n" /* len = this */
" shrl $16, %%ecx\n" /* len = this.val */
" movl %%ecx, 60(%%esp)\n" /* len = this */
" movb %%al, %%cl\n"
" testb $16, %%al\n"
" jz .L_test_for_second_level_length\n" /* if ((op & 16) == 0) 8% */
" andb $15, %%cl\n" /* op &= 15 */
" jz .L_decode_distance\n" /* if (!op) */
" cmpb %%cl, %%bl\n"
" jae .L_add_bits_to_len\n" /* if (op <= bits) */
" movb %%cl, %%ch\n" /* stash op in ch, freeing cl */
" xorl %%eax, %%eax\n"
" lodsw\n" /* al = *(ushort *)in++ */
" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
" addb $16, %%bl\n" /* bits += 16 */
" shll %%cl, %%eax\n"
" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
" movb %%ch, %%cl\n" /* move op back to ecx */
".L_add_bits_to_len:\n"
" movl $1, %%eax\n"
" shll %%cl, %%eax\n"
" decl %%eax\n"
" subb %%cl, %%bl\n"
" andl %%edx, %%eax\n" /* eax &= hold */
" shrl %%cl, %%edx\n"
" addl %%eax, 60(%%esp)\n" /* len += hold & mask[op] */
".L_decode_distance:\n"
" cmpb $15, %%bl\n"
" ja .L_get_distance_code\n" /* if (15 < bits) */
" xorl %%eax, %%eax\n"
" lodsw\n" /* al = *(ushort *)in++ */
" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
" addb $16, %%bl\n" /* bits += 16 */
" shll %%cl, %%eax\n"
" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
".L_get_distance_code:\n"
" movl 56(%%esp), %%eax\n" /* eax = dmask */
" movl 48(%%esp), %%ecx\n" /* ecx = dcode */
" andl %%edx, %%eax\n" /* eax &= hold */
" movl (%%ecx,%%eax,4), %%eax\n"/* eax = dcode[hold & dmask] */
".L_dodist:\n"
" movl %%eax, %%ebp\n" /* dist = this */
" shrl $16, %%ebp\n" /* dist = this.val */
" movb %%ah, %%cl\n"
" subb %%ah, %%bl\n" /* bits -= this.bits */
" shrl %%cl, %%edx\n" /* hold >>= this.bits */
" movb %%al, %%cl\n" /* cl = this.op */
" testb $16, %%al\n" /* if ((op & 16) == 0) */
" jz .L_test_for_second_level_dist\n"
" andb $15, %%cl\n" /* op &= 15 */
" jz .L_check_dist_one\n"
" cmpb %%cl, %%bl\n"
" jae .L_add_bits_to_dist\n" /* if (op <= bits) 97.6% */
" movb %%cl, %%ch\n" /* stash op in ch, freeing cl */
" xorl %%eax, %%eax\n"
" lodsw\n" /* al = *(ushort *)in++ */
" movb %%bl, %%cl\n" /* cl = bits, needs it for shifting */
" addb $16, %%bl\n" /* bits += 16 */
" shll %%cl, %%eax\n"
" orl %%eax, %%edx\n" /* hold |= *((ushort *)in)++ << bits */
" movb %%ch, %%cl\n" /* move op back to ecx */
".L_add_bits_to_dist:\n"
" movl $1, %%eax\n"
" shll %%cl, %%eax\n"
" decl %%eax\n" /* (1 << op) - 1 */
" subb %%cl, %%bl\n"
" andl %%edx, %%eax\n" /* eax &= hold */
" shrl %%cl, %%edx\n"
" addl %%eax, %%ebp\n" /* dist += hold & ((1 << op) - 1) */
".L_check_window:\n"
" movl %%esi, 4(%%esp)\n" /* save in so from can use it's reg */
" movl %%edi, %%eax\n"
" subl 16(%%esp), %%eax\n" /* nbytes = out - beg */
" cmpl %%ebp, %%eax\n"
" jb .L_clip_window\n" /* if (dist > nbytes) 4.2% */
" movl 60(%%esp), %%ecx\n"
" movl %%edi, %%esi\n"
" subl %%ebp, %%esi\n" /* from = out - dist */
" subl $3, %%ecx\n" /* copy from to out */
" movb (%%esi), %%al\n"
" movb %%al, (%%edi)\n"
" movb 1(%%esi), %%al\n"
" movb 2(%%esi), %%ah\n"
" addl $3, %%esi\n"
" movb %%al, 1(%%edi)\n"
" movb %%ah, 2(%%edi)\n"
" addl $3, %%edi\n"
" rep movsb\n"
" movl 4(%%esp), %%esi\n" /* move in back to %esi, toss from */
" movl 44(%%esp), %%ebp\n" /* ebp = lcode */
" jmp .L_while_test\n"
".L_check_dist_one:\n"
" cmpl $1, %%ebp\n" /* if dist 1, is a memset */
" jne .L_check_window\n"
" cmpl %%edi, 16(%%esp)\n"
" je .L_check_window\n"
" decl %%edi\n"
" movl 60(%%esp), %%ecx\n"
" movb (%%edi), %%al\n"
" subl $3, %%ecx\n"
" movb %%al, 1(%%edi)\n" /* memset out with from[-1] */
" movb %%al, 2(%%edi)\n"
" movb %%al, 3(%%edi)\n"
" addl $4, %%edi\n"
" rep stosb\n"
" movl 44(%%esp), %%ebp\n" /* ebp = lcode */
" jmp .L_while_test\n"
".L_test_for_second_level_length:\n"
" testb $64, %%al\n"
" jnz .L_test_for_end_of_block\n" /* if ((op & 64) != 0) */
" movl $1, %%eax\n"
" shll %%cl, %%eax\n"
" decl %%eax\n"
" andl %%edx, %%eax\n" /* eax &= hold */
" addl 60(%%esp), %%eax\n" /* eax += this.val */
" movl (%%ebp,%%eax,4), %%eax\n" /* eax = lcode[val+(hold&mask[op])]*/
" jmp .L_dolen\n"
".L_test_for_second_level_dist:\n"
" testb $64, %%al\n"
" jnz .L_invalid_distance_code\n" /* if ((op & 64) != 0) */
" movl $1, %%eax\n"
" shll %%cl, %%eax\n"
" decl %%eax\n"
" andl %%edx, %%eax\n" /* eax &= hold */
" addl %%ebp, %%eax\n" /* eax += this.val */
" movl 48(%%esp), %%ecx\n" /* ecx = dcode */
" movl (%%ecx,%%eax,4), %%eax\n" /* eax = dcode[val+(hold&mask[op])]*/
" jmp .L_dodist\n"
".L_clip_window:\n"
" movl %%eax, %%ecx\n"
" movl 24(%%esp), %%eax\n" /* prepare for dist compare */
" negl %%ecx\n" /* nbytes = -nbytes */
" movl 32(%%esp), %%esi\n" /* from = window */
" cmpl %%ebp, %%eax\n"
" jb .L_invalid_distance_too_far\n" /* if (dist > wsize) */
" addl %%ebp, %%ecx\n" /* nbytes = dist - nbytes */
" cmpl $0, 28(%%esp)\n"
" jne .L_wrap_around_window\n" /* if (write != 0) */
" subl %%ecx, %%eax\n"
" addl %%eax, %%esi\n" /* from += wsize - nbytes */
" movl 60(%%esp), %%eax\n"
" cmpl %%ecx, %%eax\n"
" jbe .L_do_copy1\n" /* if (nbytes >= len) */
" subl %%ecx, %%eax\n" /* len -= nbytes */
" rep movsb\n"
" movl %%edi, %%esi\n"
" subl %%ebp, %%esi\n" /* from = out - dist */
" jmp .L_do_copy1\n"
" cmpl %%ecx, %%eax\n"
" jbe .L_do_copy1\n" /* if (nbytes >= len) */
" subl %%ecx, %%eax\n" /* len -= nbytes */
" rep movsb\n"
" movl %%edi, %%esi\n"
" subl %%ebp, %%esi\n" /* from = out - dist */
" jmp .L_do_copy1\n"
".L_wrap_around_window:\n"
" movl 28(%%esp), %%eax\n"
" cmpl %%eax, %%ecx\n"
" jbe .L_contiguous_in_window\n" /* if (write >= nbytes) */
" addl 24(%%esp), %%esi\n"
" addl %%eax, %%esi\n"
" subl %%ecx, %%esi\n" /* from += wsize + write - nbytes */
" subl %%eax, %%ecx\n" /* nbytes -= write */
" movl 60(%%esp), %%eax\n"
" cmpl %%ecx, %%eax\n"
" jbe .L_do_copy1\n" /* if (nbytes >= len) */
" subl %%ecx, %%eax\n" /* len -= nbytes */
" rep movsb\n"
" movl 32(%%esp), %%esi\n" /* from = window */
" movl 28(%%esp), %%ecx\n" /* nbytes = write */
" cmpl %%ecx, %%eax\n"
" jbe .L_do_copy1\n" /* if (nbytes >= len) */
" subl %%ecx, %%eax\n" /* len -= nbytes */
" rep movsb\n"
" movl %%edi, %%esi\n"
" subl %%ebp, %%esi\n" /* from = out - dist */
" jmp .L_do_copy1\n"
".L_contiguous_in_window:\n"
" addl %%eax, %%esi\n"
" subl %%ecx, %%esi\n" /* from += write - nbytes */
" movl 60(%%esp), %%eax\n"
" cmpl %%ecx, %%eax\n"
" jbe .L_do_copy1\n" /* if (nbytes >= len) */
" subl %%ecx, %%eax\n" /* len -= nbytes */
" rep movsb\n"
" movl %%edi, %%esi\n"
" subl %%ebp, %%esi\n" /* from = out - dist */
".L_do_copy1:\n"
" movl %%eax, %%ecx\n"
" rep movsb\n"
" movl 4(%%esp), %%esi\n" /* move in back to %esi, toss from */
" movl 44(%%esp), %%ebp\n" /* ebp = lcode */
" jmp .L_while_test\n"
".L_test_for_end_of_block:\n"
" testb $32, %%al\n"
" jz .L_invalid_literal_length_code\n"
" movl $1, 68(%%esp)\n"
" jmp .L_break_loop_with_status\n"
".L_invalid_literal_length_code:\n"
" movl $2, 68(%%esp)\n"
" jmp .L_break_loop_with_status\n"
".L_invalid_distance_code:\n"
" movl $3, 68(%%esp)\n"
" jmp .L_break_loop_with_status\n"
".L_invalid_distance_too_far:\n"
" movl 4(%%esp), %%esi\n"
" movl $4, 68(%%esp)\n"
" jmp .L_break_loop_with_status\n"
".L_break_loop:\n"
" movl $0, 68(%%esp)\n"
".L_break_loop_with_status:\n"
/* put in, out, bits, and hold back into ar and pop esp */
" movl %%esi, 4(%%esp)\n"
" movl %%edi, 12(%%esp)\n"
" movl %%ebx, 40(%%esp)\n"
" movl %%edx, 36(%%esp)\n"
" movl (%%esp), %%esp\n"
" popl %%ebp\n"
" popf\n"
:
: "m" (ar)
: "memory", "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi"
);
if (ar.status > 1) {
if (ar.status == 2)
strm->msg = "invalid literal/length code";
else if (ar.status == 3)
strm->msg = "invalid distance code";
else
strm->msg = "invalid distance too far back";
state->mode = BAD;
}
else if ( ar.status == 1 ) {
state->mode = TYPE;
}
/* return unused bytes (on entry, bits < 8, so in won't go too far back) */
ar.len = ar.bits >> 3;
ar.in -= ar.len;
ar.bits -= ar.len << 3;
ar.hold &= (1U << ar.bits) - 1;
/* update state and return */
strm->next_in = ar.in;
strm->next_out = ar.out;
strm->avail_in = (unsigned)(ar.in < ar.last ? 5 + (ar.last - ar.in) :
5 - (ar.in - ar.last));
strm->avail_out = (unsigned)(ar.out < ar.end ? 257 + (ar.end - ar.out) :
257 - (ar.out - ar.end));
state->hold = ar.hold;
state->bits = ar.bits;
return;
}
#else
/* Allow machine dependent optimization for post-increment or pre-increment.
Based on testing to date,
Pre-increment preferred for:
- PowerPC G3 (Adler)
- MIPS R5000 (Randers-Pehrson)
Post-increment preferred for:
- none
No measurable difference:
- Pentium III (Anderson)
- M68060 (Nikl)
*/
#ifdef POSTINC
# define OFF 0
# define PUP(a) *(a)++
#else
# define OFF 1
# define PUP(a) *++(a)
#endif
/*
Decode literal, length, and distance codes and write out the resulting
literal and match bytes until either not enough input or output is
available, an end-of-block is encountered, or a data error is encountered.
When large enough input and output buffers are supplied to inflate(), for
example, a 16K input buffer and a 64K output buffer, more than 95% of the
inflate execution time is spent in this routine.
Entry assumptions:
state->mode == LEN
strm->avail_in >= 6
strm->avail_out >= 258
start >= strm->avail_out
state->bits < 8
On return, state->mode is one of:
LEN -- ran out of enough output space or enough available input
TYPE -- reached end of block code, inflate() to interpret next block
BAD -- error in block data
Notes:
- The maximum input bits used by a length/distance pair is 15 bits for the
length code, 5 bits for the length extra, 15 bits for the distance code,
and 13 bits for the distance extra. This totals 48 bits, or six bytes.
Therefore if strm->avail_in >= 6, then there is enough input to avoid
checking for available input while decoding.
- The maximum bytes that a single length/distance pair can output is 258
bytes, which is the maximum length that can be coded. inflate_fast()
requires strm->avail_out >= 258 for each loop to avoid checking for
output space.
*/
void inflate_fast(strm, start)
z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
struct inflate_state FAR *state;
unsigned char FAR *in; /* local strm->next_in */
unsigned char FAR *last; /* while in < last, enough input available */
unsigned char FAR *out; /* local strm->next_out */
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
unsigned char FAR *end; /* while out < end, enough space available */
#ifdef INFLATE_STRICT
unsigned dmax; /* maximum distance from zlib header */
#endif
unsigned wsize; /* window size or zero if not using window */
unsigned whave; /* valid bytes in the window */
unsigned write; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */
unsigned long hold; /* local strm->hold */
unsigned bits; /* local strm->bits */
code const FAR *lcode; /* local strm->lencode */
code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */
code this; /* retrieved table entry */
unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */
unsigned dist; /* match distance */
unsigned char FAR *from; /* where to copy match from */
/* copy state to local variables */
state = (struct inflate_state FAR *)strm->state;
in = strm->next_in - OFF;
last = in + (strm->avail_in - 5);
out = strm->next_out - OFF;
beg = out - (start - strm->avail_out);
end = out + (strm->avail_out - 257);
#ifdef INFLATE_STRICT
dmax = state->dmax;
#endif
wsize = state->wsize;
whave = state->whave;
write = state->write;
window = state->window;
hold = state->hold;
bits = state->bits;
lcode = state->lencode;
dcode = state->distcode;
lmask = (1U << state->lenbits) - 1;
dmask = (1U << state->distbits) - 1;
/* decode literals and length/distances until end-of-block or not enough
input data or output space */
do {
if (bits < 15) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
this = lcode[hold & lmask];
dolen:
op = (unsigned)(this.bits);
hold >>= op;
bits -= op;
op = (unsigned)(this.op);
if (op == 0) { /* literal */
Tracevv((stderr, this.val >= 0x20 && this.val < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", this.val));
PUP(out) = (unsigned char)(this.val);
}
else if (op & 16) { /* length base */
len = (unsigned)(this.val);
op &= 15; /* number of extra bits */
if (op) {
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
len += (unsigned)hold & ((1U << op) - 1);
hold >>= op;
bits -= op;
}
Tracevv((stderr, "inflate: length %u\n", len));
if (bits < 15) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
this = dcode[hold & dmask];
dodist:
op = (unsigned)(this.bits);
hold >>= op;
bits -= op;
op = (unsigned)(this.op);
if (op & 16) { /* distance base */
dist = (unsigned)(this.val);
op &= 15; /* number of extra bits */
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
}
dist += (unsigned)hold & ((1U << op) - 1);
#ifdef INFLATE_STRICT
if (dist > dmax) {
strm->msg = (char *)"invalid distance too far back";
state->mode = BAD;
break;
}
#endif
hold >>= op;
bits -= op;
Tracevv((stderr, "inflate: distance %u\n", dist));
op = (unsigned)(out - beg); /* max distance in output */
if (dist > op) { /* see if copy from window */
op = dist - op; /* distance back in window */
if (op > whave) {
strm->msg = (char *)"invalid distance too far back";
state->mode = BAD;
break;
}
from = window - OFF;
if (write == 0) { /* very common case */
from += wsize - op;
if (op < len) { /* some from window */
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = out - dist; /* rest from output */
}
}
else if (write < op) { /* wrap around window */
from += wsize + write - op;
op -= write;
if (op < len) { /* some from end of window */
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = window - OFF;
if (write < len) { /* some from start of window */
op = write;
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = out - dist; /* rest from output */
}
}
}
else { /* contiguous in window */
from += write - op;
if (op < len) { /* some from window */
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = out - dist; /* rest from output */
}
}
while (len > 2) {
PUP(out) = PUP(from);
PUP(out) = PUP(from);
PUP(out) = PUP(from);
len -= 3;
}
if (len) {
PUP(out) = PUP(from);
if (len > 1)
PUP(out) = PUP(from);
}
}
else {
from = out - dist; /* copy direct from output */
do { /* minimum length is three */
PUP(out) = PUP(from);
PUP(out) = PUP(from);
PUP(out) = PUP(from);
len -= 3;
} while (len > 2);
if (len) {
PUP(out) = PUP(from);
if (len > 1)
PUP(out) = PUP(from);
}
}
}
else if ((op & 64) == 0) { /* 2nd level distance code */
this = dcode[this.val + (hold & ((1U << op) - 1))];
goto dodist;
}
else {
strm->msg = (char *)"invalid distance code";
state->mode = BAD;
break;
}
}
else if ((op & 64) == 0) { /* 2nd level length code */
this = lcode[this.val + (hold & ((1U << op) - 1))];
goto dolen;
}
else if (op & 32) { /* end-of-block */
Tracevv((stderr, "inflate: end of block\n"));
state->mode = TYPE;
break;
}
else {
strm->msg = (char *)"invalid literal/length code";
state->mode = BAD;
break;
}
} while (in < last && out < end);
/* return unused bytes (on entry, bits < 8, so in won't go too far back) */
len = bits >> 3;
in -= len;
bits -= len << 3;
hold &= (1U << bits) - 1;
/* update state and return */
strm->next_in = in + OFF;
strm->next_out = out + OFF;
strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last));
strm->avail_out = (unsigned)(out < end ?
257 + (end - out) : 257 - (out - end));
state->hold = hold;
state->bits = bits;
return;
}
/*
inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe):
- Using bit fields for code structure
- Different op definition to avoid & for extra bits (do & for table bits)
- Three separate decoding do-loops for direct, window, and write == 0
- Special case for distance > 1 copies to do overlapped load and store copy
- Explicit branch predictions (based on measured branch probabilities)
- Deferring match copy and interspersed it with decoding subsequent codes
- Swapping literal/length else
- Swapping window/direct else
- Larger unrolled copy loops (three is about right)
- Moving len -= 3 statement into middle of loop
*/
#endif /* !i386 */

11
tools/bsnes/lib/zlib/inffast.h Executable file
View File

@ -0,0 +1,11 @@
/* inffast.h -- header to use inffast.c
* Copyright (C) 1995-2003 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
void inflate_fast OF((z_streamp strm, unsigned start));

94
tools/bsnes/lib/zlib/inffixed.h Executable file
View File

@ -0,0 +1,94 @@
/* inffixed.h -- table for decoding fixed codes
* Generated automatically by makefixed().
*/
/* WARNING: this file should *not* be used by applications. It
is part of the implementation of the compression library and
is subject to change. Applications should only use zlib.h.
*/
static const code lenfix[512] = {
{96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48},
{0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128},
{0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59},
{0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176},
{0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20},
{21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100},
{0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8},
{0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216},
{18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76},
{0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114},
{0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2},
{0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148},
{20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42},
{0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86},
{0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15},
{0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236},
{16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62},
{0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142},
{0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31},
{0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162},
{0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25},
{0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105},
{0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4},
{0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202},
{17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69},
{0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125},
{0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13},
{0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195},
{19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35},
{0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91},
{0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19},
{0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246},
{16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55},
{0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135},
{0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99},
{0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190},
{0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16},
{20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96},
{0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6},
{0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209},
{17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72},
{0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116},
{0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4},
{0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153},
{20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44},
{0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82},
{0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11},
{0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229},
{16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58},
{0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138},
{0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51},
{0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173},
{0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30},
{0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110},
{0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0},
{0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195},
{16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65},
{0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121},
{0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9},
{0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258},
{19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37},
{0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93},
{0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23},
{0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251},
{16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51},
{0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131},
{0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67},
{0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183},
{0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23},
{64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103},
{0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9},
{0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223},
{18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79},
{0,9,255}
};
static const code distfix[32] = {
{16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025},
{21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193},
{18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385},
{19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577},
{16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073},
{22,5,193},{64,5,0}
};

1368
tools/bsnes/lib/zlib/inflate.c Executable file

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115
tools/bsnes/lib/zlib/inflate.h Executable file
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/* inflate.h -- internal inflate state definition
* Copyright (C) 1995-2004 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* define NO_GZIP when compiling if you want to disable gzip header and
trailer decoding by inflate(). NO_GZIP would be used to avoid linking in
the crc code when it is not needed. For shared libraries, gzip decoding
should be left enabled. */
#ifndef NO_GZIP
# define GUNZIP
#endif
/* Possible inflate modes between inflate() calls */
typedef enum {
HEAD, /* i: waiting for magic header */
FLAGS, /* i: waiting for method and flags (gzip) */
TIME, /* i: waiting for modification time (gzip) */
OS, /* i: waiting for extra flags and operating system (gzip) */
EXLEN, /* i: waiting for extra length (gzip) */
EXTRA, /* i: waiting for extra bytes (gzip) */
NAME, /* i: waiting for end of file name (gzip) */
COMMENT, /* i: waiting for end of comment (gzip) */
HCRC, /* i: waiting for header crc (gzip) */
DICTID, /* i: waiting for dictionary check value */
DICT, /* waiting for inflateSetDictionary() call */
TYPE, /* i: waiting for type bits, including last-flag bit */
TYPEDO, /* i: same, but skip check to exit inflate on new block */
STORED, /* i: waiting for stored size (length and complement) */
COPY, /* i/o: waiting for input or output to copy stored block */
TABLE, /* i: waiting for dynamic block table lengths */
LENLENS, /* i: waiting for code length code lengths */
CODELENS, /* i: waiting for length/lit and distance code lengths */
LEN, /* i: waiting for length/lit code */
LENEXT, /* i: waiting for length extra bits */
DIST, /* i: waiting for distance code */
DISTEXT, /* i: waiting for distance extra bits */
MATCH, /* o: waiting for output space to copy string */
LIT, /* o: waiting for output space to write literal */
CHECK, /* i: waiting for 32-bit check value */
LENGTH, /* i: waiting for 32-bit length (gzip) */
DONE, /* finished check, done -- remain here until reset */
BAD, /* got a data error -- remain here until reset */
MEM, /* got an inflate() memory error -- remain here until reset */
SYNC /* looking for synchronization bytes to restart inflate() */
} inflate_mode;
/*
State transitions between above modes -
(most modes can go to the BAD or MEM mode -- not shown for clarity)
Process header:
HEAD -> (gzip) or (zlib)
(gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME
NAME -> COMMENT -> HCRC -> TYPE
(zlib) -> DICTID or TYPE
DICTID -> DICT -> TYPE
Read deflate blocks:
TYPE -> STORED or TABLE or LEN or CHECK
STORED -> COPY -> TYPE
TABLE -> LENLENS -> CODELENS -> LEN
Read deflate codes:
LEN -> LENEXT or LIT or TYPE
LENEXT -> DIST -> DISTEXT -> MATCH -> LEN
LIT -> LEN
Process trailer:
CHECK -> LENGTH -> DONE
*/
/* state maintained between inflate() calls. Approximately 7K bytes. */
struct inflate_state {
inflate_mode mode; /* current inflate mode */
int last; /* true if processing last block */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
int havedict; /* true if dictionary provided */
int flags; /* gzip header method and flags (0 if zlib) */
unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
unsigned long check; /* protected copy of check value */
unsigned long total; /* protected copy of output count */
gz_headerp head; /* where to save gzip header information */
/* sliding window */
unsigned wbits; /* log base 2 of requested window size */
unsigned wsize; /* window size or zero if not using window */
unsigned whave; /* valid bytes in the window */
unsigned write; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if needed */
/* bit accumulator */
unsigned long hold; /* input bit accumulator */
unsigned bits; /* number of bits in "in" */
/* for string and stored block copying */
unsigned length; /* literal or length of data to copy */
unsigned offset; /* distance back to copy string from */
/* for table and code decoding */
unsigned extra; /* extra bits needed */
/* fixed and dynamic code tables */
code const FAR *lencode; /* starting table for length/literal codes */
code const FAR *distcode; /* starting table for distance codes */
unsigned lenbits; /* index bits for lencode */
unsigned distbits; /* index bits for distcode */
/* dynamic table building */
unsigned ncode; /* number of code length code lengths */
unsigned nlen; /* number of length code lengths */
unsigned ndist; /* number of distance code lengths */
unsigned have; /* number of code lengths in lens[] */
code FAR *next; /* next available space in codes[] */
unsigned short lens[320]; /* temporary storage for code lengths */
unsigned short work[288]; /* work area for code table building */
code codes[ENOUGH]; /* space for code tables */
};

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tools/bsnes/lib/zlib/inftrees.c Executable file
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/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2005 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.2.3 Copyright 1995-2005 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
include such an acknowledgment, I would appreciate that you keep this
copyright string in the executable of your product.
*/
/*
Build a set of tables to decode the provided canonical Huffman code.
The code lengths are lens[0..codes-1]. The result starts at *table,
whose indices are 0..2^bits-1. work is a writable array of at least
lens shorts, which is used as a work area. type is the type of code
to be generated, CODES, LENS, or DISTS. On return, zero is success,
-1 is an invalid code, and +1 means that ENOUGH isn't enough. table
on return points to the next available entry's address. bits is the
requested root table index bits, and on return it is the actual root
table index bits. It will differ if the request is greater than the
longest code or if it is less than the shortest code.
*/
int inflate_table(type, lens, codes, table, bits, work)
codetype type;
unsigned short FAR *lens;
unsigned codes;
code FAR * FAR *table;
unsigned FAR *bits;
unsigned short FAR *work;
{
unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */
unsigned min, max; /* minimum and maximum code lengths */
unsigned root; /* number of index bits for root table */
unsigned curr; /* number of index bits for current table */
unsigned drop; /* code bits to drop for sub-table */
int left; /* number of prefix codes available */
unsigned used; /* code entries in table used */
unsigned huff; /* Huffman code */
unsigned incr; /* for incrementing code, index */
unsigned fill; /* index for replicating entries */
unsigned low; /* low bits for current root entry */
unsigned mask; /* mask for low root bits */
code this; /* table entry for duplication */
code FAR *next; /* next available space in table */
const unsigned short FAR *base; /* base value table to use */
const unsigned short FAR *extra; /* extra bits table to use */
int end; /* use base and extra for symbol > end */
unsigned short count[MAXBITS+1]; /* number of codes of each length */
unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
static const unsigned short lbase[31] = { /* Length codes 257..285 base */
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 201, 196};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577, 0, 0};
static const unsigned short dext[32] = { /* Distance codes 0..29 extra */
16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
28, 28, 29, 29, 64, 64};
/*
Process a set of code lengths to create a canonical Huffman code. The
code lengths are lens[0..codes-1]. Each length corresponds to the
symbols 0..codes-1. The Huffman code is generated by first sorting the
symbols by length from short to long, and retaining the symbol order
for codes with equal lengths. Then the code starts with all zero bits
for the first code of the shortest length, and the codes are integer
increments for the same length, and zeros are appended as the length
increases. For the deflate format, these bits are stored backwards
from their more natural integer increment ordering, and so when the
decoding tables are built in the large loop below, the integer codes
are incremented backwards.
This routine assumes, but does not check, that all of the entries in
lens[] are in the range 0..MAXBITS. The caller must assure this.
1..MAXBITS is interpreted as that code length. zero means that that
symbol does not occur in this code.
The codes are sorted by computing a count of codes for each length,
creating from that a table of starting indices for each length in the
sorted table, and then entering the symbols in order in the sorted
table. The sorted table is work[], with that space being provided by
the caller.
The length counts are used for other purposes as well, i.e. finding
the minimum and maximum length codes, determining if there are any
codes at all, checking for a valid set of lengths, and looking ahead
at length counts to determine sub-table sizes when building the
decoding tables.
*/
/* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
for (len = 0; len <= MAXBITS; len++)
count[len] = 0;
for (sym = 0; sym < codes; sym++)
count[lens[sym]]++;
/* bound code lengths, force root to be within code lengths */
root = *bits;
for (max = MAXBITS; max >= 1; max--)
if (count[max] != 0) break;
if (root > max) root = max;
if (max == 0) { /* no symbols to code at all */
this.op = (unsigned char)64; /* invalid code marker */
this.bits = (unsigned char)1;
this.val = (unsigned short)0;
*(*table)++ = this; /* make a table to force an error */
*(*table)++ = this;
*bits = 1;
return 0; /* no symbols, but wait for decoding to report error */
}
for (min = 1; min <= MAXBITS; min++)
if (count[min] != 0) break;
if (root < min) root = min;
/* check for an over-subscribed or incomplete set of lengths */
left = 1;
for (len = 1; len <= MAXBITS; len++) {
left <<= 1;
left -= count[len];
if (left < 0) return -1; /* over-subscribed */
}
if (left > 0 && (type == CODES || max != 1))
return -1; /* incomplete set */
/* generate offsets into symbol table for each length for sorting */
offs[1] = 0;
for (len = 1; len < MAXBITS; len++)
offs[len + 1] = offs[len] + count[len];
/* sort symbols by length, by symbol order within each length */
for (sym = 0; sym < codes; sym++)
if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym;
/*
Create and fill in decoding tables. In this loop, the table being
filled is at next and has curr index bits. The code being used is huff
with length len. That code is converted to an index by dropping drop
bits off of the bottom. For codes where len is less than drop + curr,
those top drop + curr - len bits are incremented through all values to
fill the table with replicated entries.
root is the number of index bits for the root table. When len exceeds
root, sub-tables are created pointed to by the root entry with an index
of the low root bits of huff. This is saved in low to check for when a
new sub-table should be started. drop is zero when the root table is
being filled, and drop is root when sub-tables are being filled.
When a new sub-table is needed, it is necessary to look ahead in the
code lengths to determine what size sub-table is needed. The length
counts are used for this, and so count[] is decremented as codes are
entered in the tables.
used keeps track of how many table entries have been allocated from the
provided *table space. It is checked when a LENS table is being made
against the space in *table, ENOUGH, minus the maximum space needed by
the worst case distance code, MAXD. This should never happen, but the
sufficiency of ENOUGH has not been proven exhaustively, hence the check.
This assumes that when type == LENS, bits == 9.
sym increments through all symbols, and the loop terminates when
all codes of length max, i.e. all codes, have been processed. This
routine permits incomplete codes, so another loop after this one fills
in the rest of the decoding tables with invalid code markers.
*/
/* set up for code type */
switch (type) {
case CODES:
base = extra = work; /* dummy value--not used */
end = 19;
break;
case LENS:
base = lbase;
base -= 257;
extra = lext;
extra -= 257;
end = 256;
break;
default: /* DISTS */
base = dbase;
extra = dext;
end = -1;
}
/* initialize state for loop */
huff = 0; /* starting code */
sym = 0; /* starting code symbol */
len = min; /* starting code length */
next = *table; /* current table to fill in */
curr = root; /* current table index bits */
drop = 0; /* current bits to drop from code for index */
low = (unsigned)(-1); /* trigger new sub-table when len > root */
used = 1U << root; /* use root table entries */
mask = used - 1; /* mask for comparing low */
/* check available table space */
if (type == LENS && used >= ENOUGH - MAXD)
return 1;
/* process all codes and make table entries */
for (;;) {
/* create table entry */
this.bits = (unsigned char)(len - drop);
if ((int)(work[sym]) < end) {
this.op = (unsigned char)0;
this.val = work[sym];
}
else if ((int)(work[sym]) > end) {
this.op = (unsigned char)(extra[work[sym]]);
this.val = base[work[sym]];
}
else {
this.op = (unsigned char)(32 + 64); /* end of block */
this.val = 0;
}
/* replicate for those indices with low len bits equal to huff */
incr = 1U << (len - drop);
fill = 1U << curr;
min = fill; /* save offset to next table */
do {
fill -= incr;
next[(huff >> drop) + fill] = this;
} while (fill != 0);
/* backwards increment the len-bit code huff */
incr = 1U << (len - 1);
while (huff & incr)
incr >>= 1;
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
huff = 0;
/* go to next symbol, update count, len */
sym++;
if (--(count[len]) == 0) {
if (len == max) break;
len = lens[work[sym]];
}
/* create new sub-table if needed */
if (len > root && (huff & mask) != low) {
/* if first time, transition to sub-tables */
if (drop == 0)
drop = root;
/* increment past last table */
next += min; /* here min is 1 << curr */
/* determine length of next table */
curr = len - drop;
left = (int)(1 << curr);
while (curr + drop < max) {
left -= count[curr + drop];
if (left <= 0) break;
curr++;
left <<= 1;
}
/* check for enough space */
used += 1U << curr;
if (type == LENS && used >= ENOUGH - MAXD)
return 1;
/* point entry in root table to sub-table */
low = huff & mask;
(*table)[low].op = (unsigned char)curr;
(*table)[low].bits = (unsigned char)root;
(*table)[low].val = (unsigned short)(next - *table);
}
}
/*
Fill in rest of table for incomplete codes. This loop is similar to the
loop above in incrementing huff for table indices. It is assumed that
len is equal to curr + drop, so there is no loop needed to increment
through high index bits. When the current sub-table is filled, the loop
drops back to the root table to fill in any remaining entries there.
*/
this.op = (unsigned char)64; /* invalid code marker */
this.bits = (unsigned char)(len - drop);
this.val = (unsigned short)0;
while (huff != 0) {
/* when done with sub-table, drop back to root table */
if (drop != 0 && (huff & mask) != low) {
drop = 0;
len = root;
next = *table;
this.bits = (unsigned char)len;
}
/* put invalid code marker in table */
next[huff >> drop] = this;
/* backwards increment the len-bit code huff */
incr = 1U << (len - 1);
while (huff & incr)
incr >>= 1;
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
huff = 0;
}
/* set return parameters */
*table += used;
*bits = root;
return 0;
}

55
tools/bsnes/lib/zlib/inftrees.h Executable file
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/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-2005 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* Structure for decoding tables. Each entry provides either the
information needed to do the operation requested by the code that
indexed that table entry, or it provides a pointer to another
table that indexes more bits of the code. op indicates whether
the entry is a pointer to another table, a literal, a length or
distance, an end-of-block, or an invalid code. For a table
pointer, the low four bits of op is the number of index bits of
that table. For a length or distance, the low four bits of op
is the number of extra bits to get after the code. bits is
the number of bits in this code or part of the code to drop off
of the bit buffer. val is the actual byte to output in the case
of a literal, the base length or distance, or the offset from
the current table to the next table. Each entry is four bytes. */
typedef struct {
unsigned char op; /* operation, extra bits, table bits */
unsigned char bits; /* bits in this part of the code */
unsigned short val; /* offset in table or code value */
} code;
/* op values as set by inflate_table():
00000000 - literal
0000tttt - table link, tttt != 0 is the number of table index bits
0001eeee - length or distance, eeee is the number of extra bits
01100000 - end of block
01000000 - invalid code
*/
/* Maximum size of dynamic tree. The maximum found in a long but non-
exhaustive search was 1444 code structures (852 for length/literals
and 592 for distances, the latter actually the result of an
exhaustive search). The true maximum is not known, but the value
below is more than safe. */
#define ENOUGH 2048
#define MAXD 592
/* Type of code to build for inftable() */
typedef enum {
CODES,
LENS,
DISTS
} codetype;
extern int inflate_table OF((codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work));

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tools/bsnes/lib/zlib/ioapi.c Executable file
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/* ioapi.c -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN
//needed for MultiByteToWideChar()
#include <windows.h>
#endif
#include "zlib.h"
#include "ioapi.h"
/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
voidpf ZCALLBACK fopen_file_func OF((
voidpf opaque,
const char* filename,
int mode));
uLong ZCALLBACK fread_file_func OF((
voidpf opaque,
voidpf stream,
void* buf,
uLong size));
uLong ZCALLBACK fwrite_file_func OF((
voidpf opaque,
voidpf stream,
const void* buf,
uLong size));
long ZCALLBACK ftell_file_func OF((
voidpf opaque,
voidpf stream));
long ZCALLBACK fseek_file_func OF((
voidpf opaque,
voidpf stream,
uLong offset,
int origin));
int ZCALLBACK fclose_file_func OF((
voidpf opaque,
voidpf stream));
int ZCALLBACK ferror_file_func OF((
voidpf opaque,
voidpf stream));
voidpf ZCALLBACK fopen_file_func (opaque, filename, mode)
voidpf opaque;
const char* filename;
int mode;
{
FILE* file = NULL;
const char* mode_fopen = NULL;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
mode_fopen = "rb";
else
if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
mode_fopen = "r+b";
else
if (mode & ZLIB_FILEFUNC_MODE_CREATE)
mode_fopen = "wb";
if ((filename!=NULL) && (mode_fopen != NULL)) {
//[2008-10-17 byuu] wrap Win32 fopen() to support UTF-8 filenames
#if !defined(_WIN32)
file = fopen(filename, mode_fopen);
#else
wchar_t wfilename[_MAX_PATH + 1];
wchar_t wmode_fopen[_MAX_PATH + 1];
MultiByteToWideChar(CP_UTF8, 0, filename, -1, wfilename, _MAX_PATH);
MultiByteToWideChar(CP_UTF8, 0, mode_fopen, -1, wmode_fopen, _MAX_PATH);
file = _wfopen(wfilename, wmode_fopen);
#endif
}
return file;
}
uLong ZCALLBACK fread_file_func (opaque, stream, buf, size)
voidpf opaque;
voidpf stream;
void* buf;
uLong size;
{
uLong ret;
ret = (uLong)fread(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}
uLong ZCALLBACK fwrite_file_func (opaque, stream, buf, size)
voidpf opaque;
voidpf stream;
const void* buf;
uLong size;
{
uLong ret;
ret = (uLong)fwrite(buf, 1, (size_t)size, (FILE *)stream);
return ret;
}
long ZCALLBACK ftell_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
{
long ret;
ret = ftell((FILE *)stream);
return ret;
}
long ZCALLBACK fseek_file_func (opaque, stream, offset, origin)
voidpf opaque;
voidpf stream;
uLong offset;
int origin;
{
int fseek_origin=0;
long ret;
switch (origin)
{
case ZLIB_FILEFUNC_SEEK_CUR :
fseek_origin = SEEK_CUR;
break;
case ZLIB_FILEFUNC_SEEK_END :
fseek_origin = SEEK_END;
break;
case ZLIB_FILEFUNC_SEEK_SET :
fseek_origin = SEEK_SET;
break;
default: return -1;
}
ret = 0;
fseek((FILE *)stream, offset, fseek_origin);
return ret;
}
int ZCALLBACK fclose_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
{
int ret;
ret = fclose((FILE *)stream);
return ret;
}
int ZCALLBACK ferror_file_func (opaque, stream)
voidpf opaque;
voidpf stream;
{
int ret;
ret = ferror((FILE *)stream);
return ret;
}
void fill_fopen_filefunc (pzlib_filefunc_def)
zlib_filefunc_def* pzlib_filefunc_def;
{
pzlib_filefunc_def->zopen_file = fopen_file_func;
pzlib_filefunc_def->zread_file = fread_file_func;
pzlib_filefunc_def->zwrite_file = fwrite_file_func;
pzlib_filefunc_def->ztell_file = ftell_file_func;
pzlib_filefunc_def->zseek_file = fseek_file_func;
pzlib_filefunc_def->zclose_file = fclose_file_func;
pzlib_filefunc_def->zerror_file = ferror_file_func;
pzlib_filefunc_def->opaque = NULL;
}

75
tools/bsnes/lib/zlib/ioapi.h Executable file
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/* ioapi.h -- IO base function header for compress/uncompress .zip
files using zlib + zip or unzip API
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
*/
#ifndef _ZLIBIOAPI_H
#define _ZLIBIOAPI_H
#define ZLIB_FILEFUNC_SEEK_CUR (1)
#define ZLIB_FILEFUNC_SEEK_END (2)
#define ZLIB_FILEFUNC_SEEK_SET (0)
#define ZLIB_FILEFUNC_MODE_READ (1)
#define ZLIB_FILEFUNC_MODE_WRITE (2)
#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3)
#define ZLIB_FILEFUNC_MODE_EXISTING (4)
#define ZLIB_FILEFUNC_MODE_CREATE (8)
#ifndef ZCALLBACK
#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK)
#define ZCALLBACK CALLBACK
#else
#define ZCALLBACK
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, const char* filename, int mode));
typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size));
typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
typedef long (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream));
typedef long (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin));
typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream));
typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream));
typedef struct zlib_filefunc_def_s
{
open_file_func zopen_file;
read_file_func zread_file;
write_file_func zwrite_file;
tell_file_func ztell_file;
seek_file_func zseek_file;
close_file_func zclose_file;
testerror_file_func zerror_file;
voidpf opaque;
} zlib_filefunc_def;
void fill_fopen_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def));
#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size))
#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).zwrite_file))((filefunc).opaque,filestream,buf,size))
#define ZTELL(filefunc,filestream) ((*((filefunc).ztell_file))((filefunc).opaque,filestream))
#define ZSEEK(filefunc,filestream,pos,mode) ((*((filefunc).zseek_file))((filefunc).opaque,filestream,pos,mode))
#define ZCLOSE(filefunc,filestream) ((*((filefunc).zclose_file))((filefunc).opaque,filestream))
#define ZERROR(filefunc,filestream) ((*((filefunc).zerror_file))((filefunc).opaque,filestream))
#ifdef __cplusplus
}
#endif
#endif

1219
tools/bsnes/lib/zlib/trees.c Executable file

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tools/bsnes/lib/zlib/trees.h Executable file
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/* header created automatically with -DGEN_TREES_H */
local const ct_data static_ltree[L_CODES+2] = {
{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}},
{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}},
{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}},
{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}},
{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}},
{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}},
{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}},
{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}},
{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}},
{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}},
{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}},
{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}},
{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}},
{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}},
{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}},
{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}},
{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}},
{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}},
{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}},
{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}},
{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}},
{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}},
{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}},
{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}},
{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}},
{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}},
{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}},
{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}},
{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}},
{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}},
{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}},
{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}},
{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}},
{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}},
{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}},
{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}},
{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}},
{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}},
{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}},
{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}},
{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}},
{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}},
{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}},
{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}},
{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}},
{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}},
{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}},
{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}},
{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}},
{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}},
{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}},
{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}},
{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}},
{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}},
{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}},
{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}},
{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}},
{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}}
};
local const ct_data static_dtree[D_CODES] = {
{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}},
{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}},
{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}},
{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}},
{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}},
{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}}
};
const uch _dist_code[DIST_CODE_LEN] = {
0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8,
8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17,
18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22,
23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29
};
const uch _length_code[MAX_MATCH-MIN_MATCH+1]= {
0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12,
13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16,
17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19,
19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23,
23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28
};
local const int base_length[LENGTH_CODES] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56,
64, 80, 96, 112, 128, 160, 192, 224, 0
};
local const int base_dist[D_CODES] = {
0, 1, 2, 3, 4, 6, 8, 12, 16, 24,
32, 48, 64, 96, 128, 192, 256, 384, 512, 768,
1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576
};

1605
tools/bsnes/lib/zlib/unzip.c Executable file

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/* unzip.h -- IO for uncompress .zip files using zlib
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
This unzip package allow extract file from .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Multi volume ZipFile (span) are not supported.
Encryption compatible with pkzip 2.04g only supported
Old compressions used by old PKZip 1.x are not supported
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.htm for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/* for more info about .ZIP format, see
http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
http://www.info-zip.org/pub/infozip/doc/
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip
*/
#ifndef _unz_H
#define _unz_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#include "zlib.h"
#endif
#ifndef _ZLIBIOAPI_H
#include "ioapi.h"
#endif
#if defined(STRICTUNZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagunzFile__ { int unused; } unzFile__;
typedef unzFile__ *unzFile;
#else
typedef voidp unzFile;
#endif
#define UNZ_OK (0)
#define UNZ_END_OF_LIST_OF_FILE (-100)
#define UNZ_ERRNO (Z_ERRNO)
#define UNZ_EOF (0)
#define UNZ_PARAMERROR (-102)
#define UNZ_BADZIPFILE (-103)
#define UNZ_INTERNALERROR (-104)
#define UNZ_CRCERROR (-105)
/* tm_unz contain date/time info */
typedef struct tm_unz_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_unz;
/* unz_global_info structure contain global data about the ZIPfile
These data comes from the end of central dir */
typedef struct unz_global_info_s
{
uLong number_entry; /* total number of entries in
the central dir on this disk */
uLong size_comment; /* size of the global comment of the zipfile */
} unz_global_info;
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_info_s
{
uLong version; /* version made by 2 bytes */
uLong version_needed; /* version needed to extract 2 bytes */
uLong flag; /* general purpose bit flag 2 bytes */
uLong compression_method; /* compression method 2 bytes */
uLong dosDate; /* last mod file date in Dos fmt 4 bytes */
uLong crc; /* crc-32 4 bytes */
uLong compressed_size; /* compressed size 4 bytes */
uLong uncompressed_size; /* uncompressed size 4 bytes */
uLong size_filename; /* filename length 2 bytes */
uLong size_file_extra; /* extra field length 2 bytes */
uLong size_file_comment; /* file comment length 2 bytes */
uLong disk_num_start; /* disk number start 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
tm_unz tmu_date;
} unz_file_info;
extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
const char* fileName2,
int iCaseSensitivity));
/*
Compare two filename (fileName1,fileName2).
If iCaseSenisivity = 1, comparision is case sensitivity (like strcmp)
If iCaseSenisivity = 2, comparision is not case sensitivity (like strcmpi
or strcasecmp)
If iCaseSenisivity = 0, case sensitivity is defaut of your operating system
(like 1 on Unix, 2 on Windows)
*/
extern unzFile ZEXPORT unzOpen OF((const char *path));
/*
Open a Zip file. path contain the full pathname (by example,
on a Windows XP computer "c:\\zlib\\zlib113.zip" or on an Unix computer
"zlib/zlib113.zip".
If the zipfile cannot be opened (file don't exist or in not valid), the
return value is NULL.
Else, the return value is a unzFile Handle, usable with other function
of this unzip package.
*/
extern unzFile ZEXPORT unzOpen2 OF((const char *path,
zlib_filefunc_def* pzlib_filefunc_def));
/*
Open a Zip file, like unzOpen, but provide a set of file low level API
for read/write the zip file (see ioapi.h)
*/
extern int ZEXPORT unzClose OF((unzFile file));
/*
Close a ZipFile opened with unzipOpen.
If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,
unz_global_info *pglobal_info));
/*
Write info about the ZipFile in the *pglobal_info structure.
No preparation of the structure is needed
return UNZ_OK if there is no problem. */
extern int ZEXPORT unzGetGlobalComment OF((unzFile file,
char *szComment,
uLong uSizeBuf));
/*
Get the global comment string of the ZipFile, in the szComment buffer.
uSizeBuf is the size of the szComment buffer.
return the number of byte copied or an error code <0
*/
/***************************************************************************/
/* Unzip package allow you browse the directory of the zipfile */
extern int ZEXPORT unzGoToFirstFile OF((unzFile file));
/*
Set the current file of the zipfile to the first file.
return UNZ_OK if there is no problem
*/
extern int ZEXPORT unzGoToNextFile OF((unzFile file));
/*
Set the current file of the zipfile to the next file.
return UNZ_OK if there is no problem
return UNZ_END_OF_LIST_OF_FILE if the actual file was the latest.
*/
extern int ZEXPORT unzLocateFile OF((unzFile file,
const char *szFileName,
int iCaseSensitivity));
/*
Try locate the file szFileName in the zipfile.
For the iCaseSensitivity signification, see unzStringFileNameCompare
return value :
UNZ_OK if the file is found. It becomes the current file.
UNZ_END_OF_LIST_OF_FILE if the file is not found
*/
/* ****************************************** */
/* Ryan supplied functions */
/* unz_file_info contain information about a file in the zipfile */
typedef struct unz_file_pos_s
{
uLong pos_in_zip_directory; /* offset in zip file directory */
uLong num_of_file; /* # of file */
} unz_file_pos;
extern int ZEXPORT unzGetFilePos(
unzFile file,
unz_file_pos* file_pos);
extern int ZEXPORT unzGoToFilePos(
unzFile file,
unz_file_pos* file_pos);
/* ****************************************** */
extern int ZEXPORT unzGetCurrentFileInfo OF((unzFile file,
unz_file_info *pfile_info,
char *szFileName,
uLong fileNameBufferSize,
void *extraField,
uLong extraFieldBufferSize,
char *szComment,
uLong commentBufferSize));
/*
Get Info about the current file
if pfile_info!=NULL, the *pfile_info structure will contain somes info about
the current file
if szFileName!=NULL, the filemane string will be copied in szFileName
(fileNameBufferSize is the size of the buffer)
if extraField!=NULL, the extra field information will be copied in extraField
(extraFieldBufferSize is the size of the buffer).
This is the Central-header version of the extra field
if szComment!=NULL, the comment string of the file will be copied in szComment
(commentBufferSize is the size of the buffer)
*/
/***************************************************************************/
/* for reading the content of the current zipfile, you can open it, read data
from it, and close it (you can close it before reading all the file)
*/
extern int ZEXPORT unzOpenCurrentFile OF((unzFile file));
/*
Open for reading data the current file in the zipfile.
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzOpenCurrentFilePassword OF((unzFile file,
const char* password));
/*
Open for reading data the current file in the zipfile.
password is a crypting password
If there is no error, the return value is UNZ_OK.
*/
extern int ZEXPORT unzOpenCurrentFile2 OF((unzFile file,
int* method,
int* level,
int raw));
/*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1
*method will receive method of compression, *level will receive level of
compression
note : you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL
*/
extern int ZEXPORT unzOpenCurrentFile3 OF((unzFile file,
int* method,
int* level,
int raw,
const char* password));
/*
Same than unzOpenCurrentFile, but open for read raw the file (not uncompress)
if raw==1
*method will receive method of compression, *level will receive level of
compression
note : you can set level parameter as NULL (if you did not want known level,
but you CANNOT set method parameter as NULL
*/
extern int ZEXPORT unzCloseCurrentFile OF((unzFile file));
/*
Close the file in zip opened with unzOpenCurrentFile
Return UNZ_CRCERROR if all the file was read but the CRC is not good
*/
extern int ZEXPORT unzReadCurrentFile OF((unzFile file,
voidp buf,
unsigned len));
/*
Read bytes from the current file (opened by unzOpenCurrentFile)
buf contain buffer where data must be copied
len the size of buf.
return the number of byte copied if somes bytes are copied
return 0 if the end of file was reached
return <0 with error code if there is an error
(UNZ_ERRNO for IO error, or zLib error for uncompress error)
*/
extern z_off_t ZEXPORT unztell OF((unzFile file));
/*
Give the current position in uncompressed data
*/
extern int ZEXPORT unzeof OF((unzFile file));
/*
return 1 if the end of file was reached, 0 elsewhere
*/
extern int ZEXPORT unzGetLocalExtrafield OF((unzFile file,
voidp buf,
unsigned len));
/*
Read extra field from the current file (opened by unzOpenCurrentFile)
This is the local-header version of the extra field (sometimes, there is
more info in the local-header version than in the central-header)
if buf==NULL, it return the size of the local extra field
if buf!=NULL, len is the size of the buffer, the extra header is copied in
buf.
the return value is the number of bytes copied in buf, or (if <0)
the error code
*/
/***************************************************************************/
/* Get the current file offset */
extern uLong ZEXPORT unzGetOffset (unzFile file);
/* Set the current file offset */
extern int ZEXPORT unzSetOffset (unzFile file, uLong pos);
#ifdef __cplusplus
}
#endif
#endif /* _unz_H */

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/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: zconf.h,v 1.3 2005/07/27 18:15:11 nach Exp $ */
#ifndef ZCONF_H
#define ZCONF_H
/*
* If you *really* need a unique prefix for all types and library functions,
* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
*/
#ifdef Z_PREFIX
# define deflateInit_ z_deflateInit_
# define deflate z_deflate
# define deflateEnd z_deflateEnd
# define inflateInit_ z_inflateInit_
# define inflate z_inflate
# define inflateEnd z_inflateEnd
# define deflateInit2_ z_deflateInit2_
# define deflateSetDictionary z_deflateSetDictionary
# define deflateCopy z_deflateCopy
# define deflateReset z_deflateReset
# define deflateParams z_deflateParams
# define deflateBound z_deflateBound
# define deflatePrime z_deflatePrime
# define inflateInit2_ z_inflateInit2_
# define inflateSetDictionary z_inflateSetDictionary
# define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint
# define inflateCopy z_inflateCopy
# define inflateReset z_inflateReset
# define inflateBack z_inflateBack
# define inflateBackEnd z_inflateBackEnd
# define compress z_compress
# define compress2 z_compress2
# define compressBound z_compressBound
# define uncompress z_uncompress
# define adler32 z_adler32
# define crc32 z_crc32
# define get_crc_table z_get_crc_table
# define zError z_zError
# define alloc_func z_alloc_func
# define free_func z_free_func
# define in_func z_in_func
# define out_func z_out_func
# define Byte z_Byte
# define uInt z_uInt
# define uLong z_uLong
# define Bytef z_Bytef
# define charf z_charf
# define intf z_intf
# define uIntf z_uIntf
# define uLongf z_uLongf
# define voidpf z_voidpf
# define voidp z_voidp
#endif
#if defined(__MSDOS__) && !defined(MSDOS)
# define MSDOS
#endif
#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
# define OS2
#endif
#if defined(_WINDOWS) && !defined(WINDOWS)
# define WINDOWS
#endif
#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
# ifndef WIN32
# define WIN32
# endif
#endif
#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
# ifndef SYS16BIT
# define SYS16BIT
# endif
# endif
#endif
/*
* Compile with -DMAXSEG_64K if the alloc function cannot allocate more
* than 64k bytes at a time (needed on systems with 16-bit int).
*/
#ifdef SYS16BIT
# define MAXSEG_64K
#endif
#ifdef MSDOS
# define UNALIGNED_OK
#endif
#ifdef __STDC_VERSION__
# ifndef STDC
# define STDC
# endif
# if __STDC_VERSION__ >= 199901L
# ifndef STDC99
# define STDC99
# endif
# endif
#endif
#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
# define STDC
#endif
#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
# define STDC
#endif
#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
# define STDC
#endif
#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
# define STDC
#endif
#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
# define STDC
#endif
#ifndef STDC
# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
# define const /* note: need a more gentle solution here */
# endif
#endif
/* Some Mac compilers merge all .h files incorrectly: */
#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
# define NO_DUMMY_DECL
#endif
/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
# ifdef MAXSEG_64K
# define MAX_MEM_LEVEL 8
# else
# define MAX_MEM_LEVEL 9
# endif
#endif
/* Maximum value for windowBits in deflateInit2 and inflateInit2.
* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
* created by gzip. (Files created by minigzip can still be extracted by
* gzip.)
*/
#ifndef MAX_WBITS
# define MAX_WBITS 15 /* 32K LZ77 window */
#endif
/* The memory requirements for deflate are (in bytes):
(1 << (windowBits+2)) + (1 << (memLevel+9))
that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
plus a few kilobytes for small objects. For example, if you want to reduce
the default memory requirements from 256K to 128K, compile with
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus a few kilobytes
for small objects.
*/
/* Type declarations */
#ifndef OF /* function prototypes */
# ifdef STDC
# define OF(args) args
# else
# define OF(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
* to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
* just define FAR to be empty.
*/
#ifdef SYS16BIT
# if defined(M_I86SM) || defined(M_I86MM)
/* MSC small or medium model */
# define SMALL_MEDIUM
# ifdef _MSC_VER
# define FAR _far
# else
# define FAR far
# endif
# endif
# if (defined(__SMALL__) || defined(__MEDIUM__))
/* Turbo C small or medium model */
# define SMALL_MEDIUM
# ifdef __BORLANDC__
# define FAR _far
# else
# define FAR far
# endif
# endif
#endif
#if defined(WINDOWS) || defined(WIN32)
/* If building or using zlib as a DLL, define ZLIB_DLL.
* This is not mandatory, but it offers a little performance increase.
*/
# ifdef ZLIB_DLL
# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
# ifdef ZLIB_INTERNAL
# define ZEXTERN extern __declspec(dllexport)
# else
# define ZEXTERN extern __declspec(dllimport)
# endif
# endif
# endif /* ZLIB_DLL */
/* If building or using zlib with the WINAPI/WINAPIV calling convention,
* define ZLIB_WINAPI.
* Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
*/
# ifdef ZLIB_WINAPI
# ifdef FAR
# undef FAR
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
# define ZEXPORT WINAPI
# ifdef WIN32
# define ZEXPORTVA WINAPIV
# else
# define ZEXPORTVA FAR CDECL
# endif
# endif
#endif
#if defined (__BEOS__)
# ifdef ZLIB_DLL
# ifdef ZLIB_INTERNAL
# define ZEXPORT __declspec(dllexport)
# define ZEXPORTVA __declspec(dllexport)
# else
# define ZEXPORT __declspec(dllimport)
# define ZEXPORTVA __declspec(dllimport)
# endif
# endif
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
#ifndef ZEXPORT
# define ZEXPORT
#endif
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
#ifndef FAR
# define FAR
#endif
#if !defined(__MACTYPES__)
typedef unsigned char Byte; /* 8 bits */
#endif
typedef unsigned int uInt; /* 16 bits or more */
typedef unsigned long uLong; /* 32 bits or more */
#ifdef SMALL_MEDIUM
/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
# define Bytef Byte FAR
#else
typedef Byte FAR Bytef;
#endif
typedef char FAR charf;
typedef int FAR intf;
typedef uInt FAR uIntf;
typedef uLong FAR uLongf;
#ifdef STDC
typedef void const *voidpc;
typedef void FAR *voidpf;
typedef void *voidp;
#else
typedef Byte const *voidpc;
typedef Byte FAR *voidpf;
typedef Byte *voidp;
#endif
#if 0 /* HAVE_UNISTD_H -- this line is updated by ./configure */
# include <sys/types.h> /* for off_t */
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
# endif
# define z_off_t off_t
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif
#if defined(__MVS__)
# define NO_vsnprintf
# ifdef FAR
# undef FAR
# endif
#endif
/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
# pragma map(deflateInit_,"DEIN")
# pragma map(deflateInit2_,"DEIN2")
# pragma map(deflateEnd,"DEEND")
# pragma map(deflateBound,"DEBND")
# pragma map(inflateInit_,"ININ")
# pragma map(inflateInit2_,"ININ2")
# pragma map(inflateEnd,"INEND")
# pragma map(inflateSync,"INSY")
# pragma map(inflateSetDictionary,"INSEDI")
# pragma map(compressBound,"CMBND")
# pragma map(inflate_table,"INTABL")
# pragma map(inflate_fast,"INFA")
# pragma map(inflate_copyright,"INCOPY")
#endif
#endif /* ZCONF_H */

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/* zip.h -- IO for compress .zip files using zlib
Version 1.01e, February 12th, 2005
Copyright (C) 1998-2005 Gilles Vollant
This unzip package allow creates .ZIP file, compatible with PKZip 2.04g
WinZip, InfoZip tools and compatible.
Multi volume ZipFile (span) are not supported.
Encryption compatible with pkzip 2.04g only supported
Old compressions used by old PKZip 1.x are not supported
For uncompress .zip file, look at unzip.h
I WAIT FEEDBACK at mail info@winimage.com
Visit also http://www.winimage.com/zLibDll/unzip.html for evolution
Condition of use and distribution are the same than zlib :
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/* for more info about .ZIP format, see
http://www.info-zip.org/pub/infozip/doc/appnote-981119-iz.zip
http://www.info-zip.org/pub/infozip/doc/
PkWare has also a specification at :
ftp://ftp.pkware.com/probdesc.zip
*/
#ifndef _zip_H
#define _zip_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ZLIB_H
#include "zlib.h"
#endif
#ifndef _ZLIBIOAPI_H
#include "ioapi.h"
#endif
#if defined(STRICTZIP) || defined(STRICTZIPUNZIP)
/* like the STRICT of WIN32, we define a pointer that cannot be converted
from (void*) without cast */
typedef struct TagzipFile__ { int unused; } zipFile__;
typedef zipFile__ *zipFile;
#else
typedef voidp zipFile;
#endif
#define ZIP_OK (0)
#define ZIP_EOF (0)
#define ZIP_ERRNO (Z_ERRNO)
#define ZIP_PARAMERROR (-102)
#define ZIP_BADZIPFILE (-103)
#define ZIP_INTERNALERROR (-104)
#ifndef DEF_MEM_LEVEL
# if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
# else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
# endif
#endif
/* default memLevel */
/* tm_zip contain date/time info */
typedef struct tm_zip_s
{
uInt tm_sec; /* seconds after the minute - [0,59] */
uInt tm_min; /* minutes after the hour - [0,59] */
uInt tm_hour; /* hours since midnight - [0,23] */
uInt tm_mday; /* day of the month - [1,31] */
uInt tm_mon; /* months since January - [0,11] */
uInt tm_year; /* years - [1980..2044] */
} tm_zip;
typedef struct
{
tm_zip tmz_date; /* date in understandable format */
uLong dosDate; /* if dos_date == 0, tmu_date is used */
/* uLong flag; */ /* general purpose bit flag 2 bytes */
uLong internal_fa; /* internal file attributes 2 bytes */
uLong external_fa; /* external file attributes 4 bytes */
} zip_fileinfo;
typedef const char* zipcharpc;
#define APPEND_STATUS_CREATE (0)
#define APPEND_STATUS_CREATEAFTER (1)
#define APPEND_STATUS_ADDINZIP (2)
extern zipFile ZEXPORT zipOpen OF((const char *pathname, int append));
/*
Create a zipfile.
pathname contain on Windows XP a filename like "c:\\zlib\\zlib113.zip" or on
an Unix computer "zlib/zlib113.zip".
if the file pathname exist and append==APPEND_STATUS_CREATEAFTER, the zip
will be created at the end of the file.
(useful if the file contain a self extractor code)
if the file pathname exist and append==APPEND_STATUS_ADDINZIP, we will
add files in existing zip (be sure you don't add file that doesn't exist)
If the zipfile cannot be opened, the return value is NULL.
Else, the return value is a zipFile Handle, usable with other function
of this zip package.
*/
/* Note : there is no delete function into a zipfile.
If you want delete file into a zipfile, you must open a zipfile, and create another
Of couse, you can use RAW reading and writing to copy the file you did not want delte
*/
extern zipFile ZEXPORT zipOpen2 OF((const char *pathname,
int append,
zipcharpc* globalcomment,
zlib_filefunc_def* pzlib_filefunc_def));
extern int ZEXPORT zipOpenNewFileInZip OF((zipFile file,
const char* filename,
const zip_fileinfo* zipfi,
const void* extrafield_local,
uInt size_extrafield_local,
const void* extrafield_global,
uInt size_extrafield_global,
const char* comment,
int method,
int level));
/*
Open a file in the ZIP for writing.
filename : the filename in zip (if NULL, '-' without quote will be used
*zipfi contain supplemental information
if extrafield_local!=NULL and size_extrafield_local>0, extrafield_local
contains the extrafield data the the local header
if extrafield_global!=NULL and size_extrafield_global>0, extrafield_global
contains the extrafield data the the local header
if comment != NULL, comment contain the comment string
method contain the compression method (0 for store, Z_DEFLATED for deflate)
level contain the level of compression (can be Z_DEFAULT_COMPRESSION)
*/
extern int ZEXPORT zipOpenNewFileInZip2 OF((zipFile file,
const char* filename,
const zip_fileinfo* zipfi,
const void* extrafield_local,
uInt size_extrafield_local,
const void* extrafield_global,
uInt size_extrafield_global,
const char* comment,
int method,
int level,
int raw));
/*
Same than zipOpenNewFileInZip, except if raw=1, we write raw file
*/
extern int ZEXPORT zipOpenNewFileInZip3 OF((zipFile file,
const char* filename,
const zip_fileinfo* zipfi,
const void* extrafield_local,
uInt size_extrafield_local,
const void* extrafield_global,
uInt size_extrafield_global,
const char* comment,
int method,
int level,
int raw,
int windowBits,
int memLevel,
int strategy,
const char* password,
uLong crcForCtypting));
/*
Same than zipOpenNewFileInZip2, except
windowBits,memLevel,,strategy : see parameter strategy in deflateInit2
password : crypting password (NULL for no crypting)
crcForCtypting : crc of file to compress (needed for crypting)
*/
extern int ZEXPORT zipWriteInFileInZip OF((zipFile file,
const void* buf,
unsigned len));
/*
Write data in the zipfile
*/
extern int ZEXPORT zipCloseFileInZip OF((zipFile file));
/*
Close the current file in the zipfile
*/
extern int ZEXPORT zipCloseFileInZipRaw OF((zipFile file,
uLong uncompressed_size,
uLong crc32));
/*
Close the current file in the zipfile, for fiel opened with
parameter raw=1 in zipOpenNewFileInZip2
uncompressed_size and crc32 are value for the uncompressed size
*/
extern int ZEXPORT zipClose OF((zipFile file,
const char* global_comment));
/*
Close the zipfile
*/
#ifdef __cplusplus
}
#endif
#endif /* _zip_H */

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/* zutil.c -- target dependent utility functions for the compression library
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id: zutil.c,v 1.3 2005/07/27 18:15:11 nach Exp $ */
#include "zutil.h"
#ifndef NO_DUMMY_DECL
struct internal_state {int dummy;}; /* for buggy compilers */
#endif
const char * const z_errmsg[10] = {
"need dictionary", /* Z_NEED_DICT 2 */
"stream end", /* Z_STREAM_END 1 */
"", /* Z_OK 0 */
"file error", /* Z_ERRNO (-1) */
"stream error", /* Z_STREAM_ERROR (-2) */
"data error", /* Z_DATA_ERROR (-3) */
"insufficient memory", /* Z_MEM_ERROR (-4) */
"buffer error", /* Z_BUF_ERROR (-5) */
"incompatible version",/* Z_VERSION_ERROR (-6) */
""};
const char * ZEXPORT zlibVersion()
{
return ZLIB_VERSION;
}
uLong ZEXPORT zlibCompileFlags()
{
uLong flags;
flags = 0;
switch (sizeof(uInt)) {
case 2: break;
case 4: flags += 1; break;
case 8: flags += 2; break;
default: flags += 3;
}
switch (sizeof(uLong)) {
case 2: break;
case 4: flags += 1 << 2; break;
case 8: flags += 2 << 2; break;
default: flags += 3 << 2;
}
switch (sizeof(voidpf)) {
case 2: break;
case 4: flags += 1 << 4; break;
case 8: flags += 2 << 4; break;
default: flags += 3 << 4;
}
switch (sizeof(z_off_t)) {
case 2: break;
case 4: flags += 1 << 6; break;
case 8: flags += 2 << 6; break;
default: flags += 3 << 6;
}
#ifdef DEBUG
flags += 1 << 8;
#endif
#if defined(ASMV) || defined(ASMINF)
flags += 1 << 9;
#endif
#ifdef ZLIB_WINAPI
flags += 1 << 10;
#endif
#ifdef BUILDFIXED
flags += 1 << 12;
#endif
#ifdef DYNAMIC_CRC_TABLE
flags += 1 << 13;
#endif
#ifdef NO_GZCOMPRESS
flags += 1L << 16;
#endif
#ifdef NO_GZIP
flags += 1L << 17;
#endif
#ifdef PKZIP_BUG_WORKAROUND
flags += 1L << 20;
#endif
#ifdef FASTEST
flags += 1L << 21;
#endif
#ifdef STDC
# ifdef NO_vsnprintf
flags += 1L << 25;
# ifdef HAS_vsprintf_void
flags += 1L << 26;
# endif
# else
# ifdef HAS_vsnprintf_void
flags += 1L << 26;
# endif
# endif
#else
flags += 1L << 24;
# ifdef NO_snprintf
flags += 1L << 25;
# ifdef HAS_sprintf_void
flags += 1L << 26;
# endif
# else
# ifdef HAS_snprintf_void
flags += 1L << 26;
# endif
# endif
#endif
return flags;
}
#ifdef DEBUG
# ifndef verbose
# define verbose 0
# endif
int z_verbose = verbose;
void z_error (m)
char *m;
{
fprintf(stderr, "%s\n", m);
exit(1);
}
#endif
/* exported to allow conversion of error code to string for compress() and
* uncompress()
*/
const char * ZEXPORT zError(err)
int err;
{
return ERR_MSG(err);
}
#if defined(_WIN32_WCE)
/* The Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used.
*/
int errno = 0;
#endif
#ifndef HAVE_MEMCPY
void zmemcpy(dest, source, len)
Bytef* dest;
const Bytef* source;
uInt len;
{
if (len == 0) return;
do {
*dest++ = *source++; /* ??? to be unrolled */
} while (--len != 0);
}
int zmemcmp(s1, s2, len)
const Bytef* s1;
const Bytef* s2;
uInt len;
{
uInt j;
for (j = 0; j < len; j++) {
if (s1[j] != s2[j]) return 2*(s1[j] > s2[j])-1;
}
return 0;
}
void zmemzero(dest, len)
Bytef* dest;
uInt len;
{
if (len == 0) return;
do {
*dest++ = 0; /* ??? to be unrolled */
} while (--len != 0);
}
#endif
#ifdef SYS16BIT
#ifdef __TURBOC__
/* Turbo C in 16-bit mode */
# define MY_ZCALLOC
/* Turbo C malloc() does not allow dynamic allocation of 64K bytes
* and farmalloc(64K) returns a pointer with an offset of 8, so we
* must fix the pointer. Warning: the pointer must be put back to its
* original form in order to free it, use zcfree().
*/
#define MAX_PTR 10
/* 10*64K = 640K */
local int next_ptr = 0;
typedef struct ptr_table_s {
voidpf org_ptr;
voidpf new_ptr;
} ptr_table;
local ptr_table table[MAX_PTR];
/* This table is used to remember the original form of pointers
* to large buffers (64K). Such pointers are normalized with a zero offset.
* Since MSDOS is not a preemptive multitasking OS, this table is not
* protected from concurrent access. This hack doesn't work anyway on
* a protected system like OS/2. Use Microsoft C instead.
*/
voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
{
voidpf buf = opaque; /* just to make some compilers happy */
ulg bsize = (ulg)items*size;
/* If we allocate less than 65520 bytes, we assume that farmalloc
* will return a usable pointer which doesn't have to be normalized.
*/
if (bsize < 65520L) {
buf = farmalloc(bsize);
if (*(ush*)&buf != 0) return buf;
} else {
buf = farmalloc(bsize + 16L);
}
if (buf == NULL || next_ptr >= MAX_PTR) return NULL;
table[next_ptr].org_ptr = buf;
/* Normalize the pointer to seg:0 */
*((ush*)&buf+1) += ((ush)((uch*)buf-0) + 15) >> 4;
*(ush*)&buf = 0;
table[next_ptr++].new_ptr = buf;
return buf;
}
void zcfree (voidpf opaque, voidpf ptr)
{
int n;
if (*(ush*)&ptr != 0) { /* object < 64K */
farfree(ptr);
return;
}
/* Find the original pointer */
for (n = 0; n < next_ptr; n++) {
if (ptr != table[n].new_ptr) continue;
farfree(table[n].org_ptr);
while (++n < next_ptr) {
table[n-1] = table[n];
}
next_ptr--;
return;
}
ptr = opaque; /* just to make some compilers happy */
Assert(0, "zcfree: ptr not found");
}
#endif /* __TURBOC__ */
#ifdef M_I86
/* Microsoft C in 16-bit mode */
# define MY_ZCALLOC
#if (!defined(_MSC_VER) || (_MSC_VER <= 600))
# define _halloc halloc
# define _hfree hfree
#endif
voidpf zcalloc (voidpf opaque, unsigned items, unsigned size)
{
if (opaque) opaque = 0; /* to make compiler happy */
return _halloc((long)items, size);
}
void zcfree (voidpf opaque, voidpf ptr)
{
if (opaque) opaque = 0; /* to make compiler happy */
_hfree(ptr);
}
#endif /* M_I86 */
#endif /* SYS16BIT */
#ifndef MY_ZCALLOC /* Any system without a special alloc function */
#ifndef STDC
extern voidp malloc OF((uInt size));
extern voidp calloc OF((uInt items, uInt size));
extern void free OF((voidpf ptr));
#endif
voidpf zcalloc (opaque, items, size)
voidpf opaque;
unsigned items;
unsigned size;
{
if (opaque) items += size - size; /* make compiler happy */
return sizeof(uInt) > 2 ? (voidpf)malloc(items * size) :
(voidpf)calloc(items, size);
}
void zcfree (opaque, ptr)
voidpf opaque;
voidpf ptr;
{
free(ptr);
if (opaque) return; /* make compiler happy */
}
#endif /* MY_ZCALLOC */

269
tools/bsnes/lib/zlib/zutil.h Executable file
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@ -0,0 +1,269 @@
/* zutil.h -- internal interface and configuration of the compression library
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* @(#) $Id: zutil.h,v 1.3 2005/07/27 18:15:11 nach Exp $ */
#ifndef ZUTIL_H
#define ZUTIL_H
#define ZLIB_INTERNAL
#include "zlib.h"
#ifdef STDC
# ifndef _WIN32_WCE
# include <stddef.h>
# endif
# include <string.h>
# include <stdlib.h>
#endif
#ifdef NO_ERRNO_H
# ifdef _WIN32_WCE
/* The Microsoft C Run-Time Library for Windows CE doesn't have
* errno. We define it as a global variable to simplify porting.
* Its value is always 0 and should not be used. We rename it to
* avoid conflict with other libraries that use the same workaround.
*/
# define errno z_errno
# endif
extern int errno;
#else
# ifndef _WIN32_WCE
# include <errno.h>
# endif
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
typedef unsigned char uch;
typedef uch FAR uchf;
typedef unsigned short ush;
typedef ush FAR ushf;
typedef unsigned long ulg;
extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
/* (size given to avoid silly warnings with Visual C++) */
#define ERR_MSG(err) z_errmsg[Z_NEED_DICT-(err)]
#define ERR_RETURN(strm,err) \
return (strm->msg = (char*)ERR_MSG(err), (err))
/* To be used only when the state is known to be valid */
/* common constants */
#ifndef DEF_WBITS
# define DEF_WBITS MAX_WBITS
#endif
/* default windowBits for decompression. MAX_WBITS is for compression only */
#if MAX_MEM_LEVEL >= 8
# define DEF_MEM_LEVEL 8
#else
# define DEF_MEM_LEVEL MAX_MEM_LEVEL
#endif
/* default memLevel */
#define STORED_BLOCK 0
#define STATIC_TREES 1
#define DYN_TREES 2
/* The three kinds of block type */
#define MIN_MATCH 3
#define MAX_MATCH 258
/* The minimum and maximum match lengths */
#define PRESET_DICT 0x20 /* preset dictionary flag in zlib header */
/* target dependencies */
#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
# define OS_CODE 0x00
# if defined(__TURBOC__) || defined(__BORLANDC__)
# if(__STDC__ == 1) && (defined(__LARGE__) || defined(__COMPACT__))
/* Allow compilation with ANSI keywords only enabled */
void _Cdecl farfree( void *block );
void *_Cdecl farmalloc( unsigned long nbytes );
# else
# include <alloc.h>
# endif
# else /* MSC or DJGPP */
# include <malloc.h>
# endif
#endif
#ifdef AMIGA
# define OS_CODE 0x01
#endif
#if defined(VAXC) || defined(VMS)
# define OS_CODE 0x02
# define F_OPEN(name, mode) \
fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
#endif
#if defined(ATARI) || defined(atarist)
# define OS_CODE 0x05
#endif
#ifdef OS2
# define OS_CODE 0x06
# ifdef M_I86
#include <malloc.h>
# endif
#endif
#if defined(MACOS) || defined(TARGET_OS_MAC)
# define OS_CODE 0x07
# if defined(__MWERKS__) && __dest_os != __be_os && __dest_os != __win32_os
# include <unix.h> /* for fdopen */
# else
# ifndef fdopen
# define fdopen(fd,mode) NULL /* No fdopen() */
# endif
# endif
#endif
#ifdef TOPS20
# define OS_CODE 0x0a
#endif
#ifdef WIN32
# ifndef __CYGWIN__ /* Cygwin is Unix, not Win32 */
# define OS_CODE 0x0b
# endif
#endif
#ifdef __50SERIES /* Prime/PRIMOS */
# define OS_CODE 0x0f
#endif
#if defined(_BEOS_) || defined(RISCOS)
# define fdopen(fd,mode) NULL /* No fdopen() */
#endif
#if (defined(_MSC_VER) && (_MSC_VER > 600))
# if defined(_WIN32_WCE)
# define fdopen(fd,mode) NULL /* No fdopen() */
# ifndef _PTRDIFF_T_DEFINED
typedef int ptrdiff_t;
# define _PTRDIFF_T_DEFINED
# endif
# else
# define fdopen(fd,type) _fdopen(fd,type)
# endif
#endif
/* common defaults */
#ifndef OS_CODE
# define OS_CODE 0x03 /* assume Unix */
#endif
#ifndef F_OPEN
# define F_OPEN(name, mode) fopen((name), (mode))
#endif
/* functions */
#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#if defined(__CYGWIN__)
# ifndef HAVE_VSNPRINTF
# define HAVE_VSNPRINTF
# endif
#endif
#ifndef HAVE_VSNPRINTF
# ifdef MSDOS
/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
but for now we just assume it doesn't. */
# define NO_vsnprintf
# endif
# ifdef __TURBOC__
# define NO_vsnprintf
# endif
# ifdef WIN32
/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
# if !defined(vsnprintf) && !defined(NO_vsnprintf)
# define vsnprintf _vsnprintf
# endif
# endif
# ifdef __SASC
# define NO_vsnprintf
# endif
#endif
#ifdef VMS
# define NO_vsnprintf
#endif
#if defined(pyr)
# define NO_MEMCPY
#endif
#if defined(SMALL_MEDIUM) && !defined(_MSC_VER) && !defined(__SC__)
/* Use our own functions for small and medium model with MSC <= 5.0.
* You may have to use the same strategy for Borland C (untested).
* The __SC__ check is for Symantec.
*/
# define NO_MEMCPY
#endif
#if defined(STDC) && !defined(HAVE_MEMCPY) && !defined(NO_MEMCPY)
# define HAVE_MEMCPY
#endif
#ifdef HAVE_MEMCPY
# ifdef SMALL_MEDIUM /* MSDOS small or medium model */
# define zmemcpy _fmemcpy
# define zmemcmp _fmemcmp
# define zmemzero(dest, len) _fmemset(dest, 0, len)
# else
# define zmemcpy memcpy
# define zmemcmp memcmp
# define zmemzero(dest, len) memset(dest, 0, len)
# endif
#else
extern void zmemcpy OF((Bytef* dest, const Bytef* source, uInt len));
extern int zmemcmp OF((const Bytef* s1, const Bytef* s2, uInt len));
extern void zmemzero OF((Bytef* dest, uInt len));
#endif
/* Diagnostic functions */
#ifdef DEBUG
# include <stdio.h>
extern int z_verbose;
extern void z_error OF((char *m));
# define Assert(cond,msg) {if(!(cond)) z_error(msg);}
# define Trace(x) {if (z_verbose>=0) fprintf x ;}
# define Tracev(x) {if (z_verbose>0) fprintf x ;}
# define Tracevv(x) {if (z_verbose>1) fprintf x ;}
# define Tracec(c,x) {if (z_verbose>0 && (c)) fprintf x ;}
# define Tracecv(c,x) {if (z_verbose>1 && (c)) fprintf x ;}
#else
# define Assert(cond,msg)
# define Trace(x)
# define Tracev(x)
# define Tracevv(x)
# define Tracec(c,x)
# define Tracecv(c,x)
#endif
voidpf zcalloc OF((voidpf opaque, unsigned items, unsigned size));
void zcfree OF((voidpf opaque, voidpf ptr));
#define ZALLOC(strm, items, size) \
(*((strm)->zalloc))((strm)->opaque, (items), (size))
#define ZFREE(strm, addr) (*((strm)->zfree))((strm)->opaque, (voidpf)(addr))
#define TRY_FREE(s, p) {if (p) ZFREE(s, p);}
#endif /* ZUTIL_H */

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