mirror of https://github.com/bsnes-emu/bsnes.git
66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
struct NES_TxROM : Board {
|
|
NES_TxROM(Markup::Node& document) : Board(document), mmc3(*this) {
|
|
revision = Revision::TLROM;
|
|
}
|
|
|
|
auto main() -> void {
|
|
mmc3.main();
|
|
}
|
|
|
|
auto prg_read(uint addr) -> uint8 {
|
|
if((addr & 0xe000) == 0x6000) return mmc3.ram_read(addr);
|
|
if(addr & 0x8000) return prgrom.read(mmc3.prg_addr(addr));
|
|
return cpu.mdr();
|
|
}
|
|
|
|
auto prg_write(uint addr, uint8 data) -> void {
|
|
if((addr & 0xe000) == 0x6000) return mmc3.ram_write(addr, data);
|
|
if(addr & 0x8000) return mmc3.reg_write(addr, data);
|
|
}
|
|
|
|
auto chr_read(uint addr) -> uint8 {
|
|
mmc3.irq_test(addr);
|
|
if(addr & 0x2000) return ppu.ciram_read(mmc3.ciram_addr(addr));
|
|
return Board::chr_read(mmc3.chr_addr(addr));
|
|
}
|
|
|
|
auto chr_write(uint addr, uint8 data) -> void {
|
|
mmc3.irq_test(addr);
|
|
if(addr & 0x2000) return ppu.ciram_write(mmc3.ciram_addr(addr), data);
|
|
return Board::chr_write(mmc3.chr_addr(addr), data);
|
|
}
|
|
|
|
auto power() -> void {
|
|
mmc3.power();
|
|
}
|
|
|
|
auto reset() -> void {
|
|
mmc3.reset();
|
|
}
|
|
|
|
auto serialize(serializer& s) -> void {
|
|
Board::serialize(s);
|
|
mmc3.serialize(s);
|
|
}
|
|
|
|
enum class Revision : uint {
|
|
TBROM,
|
|
TEROM,
|
|
TFROM,
|
|
TGROM,
|
|
TKROM,
|
|
TKSROM,
|
|
TLROM,
|
|
TL1ROM,
|
|
TL2ROM,
|
|
TLSROM,
|
|
TNROM,
|
|
TQROM,
|
|
TR1ROM,
|
|
TSROM,
|
|
TVROM,
|
|
} revision;
|
|
|
|
MMC3 mmc3;
|
|
};
|