mirror of https://github.com/bsnes-emu/bsnes.git
62 lines
1.3 KiB
C++
62 lines
1.3 KiB
C++
struct NES_TxROM : Board {
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NES_TxROM(Markup::Node& document) : Board(document), mmc3(*this) {
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revision = Revision::TLROM;
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}
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auto main() -> void {
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mmc3.main();
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}
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auto readPRG(uint addr) -> uint8 {
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if((addr & 0xe000) == 0x6000) return mmc3.readRAM(addr);
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if(addr & 0x8000) return prgrom.read(mmc3.addrPRG(addr));
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return cpu.mdr();
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}
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auto writePRG(uint addr, uint8 data) -> void {
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if((addr & 0xe000) == 0x6000) return mmc3.writeRAM(addr, data);
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if(addr & 0x8000) return mmc3.writeIO(addr, data);
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}
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auto readCHR(uint addr) -> uint8 {
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mmc3.irqTest(addr);
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if(addr & 0x2000) return ppu.readCIRAM(mmc3.addrCIRAM(addr));
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return Board::readCHR(mmc3.addrCHR(addr));
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}
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auto writeCHR(uint addr, uint8 data) -> void {
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mmc3.irqTest(addr);
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if(addr & 0x2000) return ppu.writeCIRAM(mmc3.addrCIRAM(addr), data);
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return Board::writeCHR(mmc3.addrCHR(addr), data);
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}
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auto power() -> void {
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mmc3.power();
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}
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auto serialize(serializer& s) -> void {
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Board::serialize(s);
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mmc3.serialize(s);
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}
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enum class Revision : uint {
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TBROM,
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TEROM,
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TFROM,
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TGROM,
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TKROM,
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TKSROM,
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TLROM,
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TL1ROM,
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TL2ROM,
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TLSROM,
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TNROM,
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TQROM,
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TR1ROM,
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TSROM,
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TVROM,
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} revision;
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MMC3 mmc3;
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};
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