2009-05-12 22:20:41 +02:00

158 lines
3.9 KiB
C++
Executable File

#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();
}
};