o switch to v46
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@@ -1,8 +1,10 @@
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#include <../base.hpp>
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#include <../cart/cart.hpp>
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#define BSX_CPP
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#define BSX_CPP
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namespace SNES {
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#include "bsx.hpp"
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#include "bsx_base.cpp"
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#include "bsx_cart.cpp"
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#include "bsx_flash.cpp"
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};
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@@ -32,16 +32,10 @@ public:
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uint8 mmio_read(unsigned addr);
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void mmio_write(unsigned addr, uint8 data);
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MappedRAM sram;
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MappedRAM psram;
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BSXCart();
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~BSXCart();
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private:
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uint8 *sram_data; //256kbit SRAM
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uint8 *psram_data; // 4mbit PSRAM
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struct {
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uint8 r[16];
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} regs;
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@@ -1,5 +1,7 @@
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#ifdef BSX_CPP
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BSXBase bsxbase;
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void BSXBase::init() {
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}
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@@ -135,3 +137,4 @@ void BSXBase::mmio_write(unsigned addr, uint8 data) {
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}
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#endif
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@@ -1,5 +1,7 @@
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#ifdef BSX_CPP
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BSXCart bsxcart;
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void BSXCart::init() {
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}
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@@ -20,7 +22,7 @@ void BSXCart::reset() {
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}
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void BSXCart::update_memory_map() {
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Memory &cart = (regs.r[0x01] & 0x80) == 0x00 ? (Memory&)bsxflash : (Memory&)psram;
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Memory &cart = (regs.r[0x01] & 0x80) == 0x00 ? (Memory&)bsxflash : (Memory&)memory::bsxpram;
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if((regs.r[0x02] & 0x80) == 0x00) {
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//LoROM mapping
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@@ -35,16 +37,16 @@ void BSXCart::update_memory_map() {
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}
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if(regs.r[0x03] & 0x80) {
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bus.map(Bus::MapLinear, 0x60, 0x6f, 0x0000, 0xffff, psram);
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//bus.map(Bus::MapLinear, 0x70, 0x77, 0x0000, 0xffff, psram);
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bus.map(Bus::MapLinear, 0x60, 0x6f, 0x0000, 0xffff, memory::bsxpram);
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//bus.map(Bus::MapLinear, 0x70, 0x77, 0x0000, 0xffff, memory::bsxpram);
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}
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if((regs.r[0x05] & 0x80) == 0x00) {
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bus.map(Bus::MapLinear, 0x40, 0x4f, 0x0000, 0xffff, psram);
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bus.map(Bus::MapLinear, 0x40, 0x4f, 0x0000, 0xffff, memory::bsxpram);
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}
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if((regs.r[0x06] & 0x80) == 0x00) {
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bus.map(Bus::MapLinear, 0x50, 0x5f, 0x0000, 0xffff, psram);
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bus.map(Bus::MapLinear, 0x50, 0x5f, 0x0000, 0xffff, memory::bsxpram);
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}
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if(regs.r[0x07] & 0x80) {
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@@ -55,8 +57,8 @@ void BSXCart::update_memory_map() {
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bus.map(Bus::MapLinear, 0x80, 0x9f, 0x8000, 0xffff, memory::cartrom);
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}
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bus.map(Bus::MapShadow, 0x20, 0x3f, 0x6000, 0x7fff, psram);
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bus.map(Bus::MapLinear, 0x70, 0x77, 0x0000, 0xffff, psram);
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bus.map(Bus::MapShadow, 0x20, 0x3f, 0x6000, 0x7fff, memory::bsxpram);
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bus.map(Bus::MapLinear, 0x70, 0x77, 0x0000, 0xffff, memory::bsxpram);
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}
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uint8 BSXCart::mmio_read(unsigned addr) {
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@@ -66,7 +68,7 @@ uint8 BSXCart::mmio_read(unsigned addr) {
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}
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if((addr & 0xf8f000) == 0x105000) { //$[10-17]:[5000-5fff] SRAM
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return sram.read(((addr >> 16) & 7) * 0x1000 + (addr & 0xfff));
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return memory::bsxram.read(((addr >> 16) & 7) * 0x1000 + (addr & 0xfff));
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}
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return 0x00;
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@@ -81,21 +83,15 @@ void BSXCart::mmio_write(unsigned addr, uint8 data) {
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}
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if((addr & 0xf8f000) == 0x105000) { //$[10-17]:[5000-5fff] SRAM
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return sram.write(((addr >> 16) & 7) * 0x1000 + (addr & 0xfff), data);
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return memory::bsxram.write(((addr >> 16) & 7) * 0x1000 + (addr & 0xfff), data);
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}
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}
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BSXCart::BSXCart() {
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sram_data = new uint8_t[ 32 * 1024];
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psram_data = new uint8_t[512 * 1024];
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sram.map (sram_data, 32 * 1024);
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psram.map(psram_data, 512 * 1024);
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}
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BSXCart::~BSXCart() {
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delete[] sram_data;
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delete[] psram_data;
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}
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#endif
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@@ -1,5 +1,7 @@
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#ifdef BSX_CPP
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BSXFlash bsxflash;
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void BSXFlash::init() {}
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void BSXFlash::enable() {}
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@@ -15,10 +17,11 @@ void BSXFlash::reset() {
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regs.flash_enable = false;
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regs.read_enable = false;
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regs.write_enable = false;
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memory::bsxflash.write_protect(!regs.write_enable);
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}
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unsigned BSXFlash::size() const {
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return memory::bscram.size();
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return memory::bsxflash.size();
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}
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uint8 BSXFlash::read(unsigned addr) {
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@@ -45,7 +48,7 @@ uint8 BSXFlash::read(unsigned addr) {
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}
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}
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return memory::bscram.read(addr);
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return memory::bsxflash.read(addr);
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}
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void BSXFlash::write(unsigned addr, uint8 data) {
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@@ -64,11 +67,11 @@ void BSXFlash::write(unsigned addr, uint8 data) {
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regs.write_new = data;
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if(regs.write_enable && regs.write_old == regs.write_new) {
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return memory::bscram.write(addr, data);
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return memory::bsxflash.write(addr, data);
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}
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} else {
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if(regs.write_enable) {
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return memory::bscram.write(addr, data);
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return memory::bsxflash.write(addr, data);
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}
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}
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@@ -107,7 +110,10 @@ void BSXFlash::write(unsigned addr, uint8 data) {
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regs.read_enable = false;
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regs.write_enable = false;
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}
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memory::bsxflash.write_protect(!regs.write_enable);
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}
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}
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#endif
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