mirror of https://github.com/bsnes-emu/bsnes.git
47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
struct NES_HKROM : Board {
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NES_HKROM(Markup::Node& document) : Board(document), mmc6(*this) {
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}
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auto main() -> void {
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mmc6.main();
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}
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auto readPRG(uint addr) -> uint8 {
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if((addr & 0xf000) == 0x7000) return mmc6.readRAM(addr);
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if(addr & 0x8000) return prgrom.read(mmc6.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 & 0xf000) == 0x7000) return mmc6.writeRAM(addr, data);
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if(addr & 0x8000) return mmc6.writeIO(addr, data);
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}
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auto readCHR(uint addr) -> uint8 {
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mmc6.irqTest(addr);
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if(addr & 0x2000) return ppu.readCIRAM(mmc6.addrCIRAM(addr));
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return Board::readCHR(mmc6.addrCHR(addr));
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}
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auto writeCHR(uint addr, uint8 data) -> void {
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mmc6.irqTest(addr);
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if(addr & 0x2000) return ppu.writeCIRAM(mmc6.addrCIRAM(addr), data);
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return Board::writeCHR(mmc6.addrCHR(addr), data);
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}
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auto power() -> void {
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mmc6.power();
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}
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auto reset() -> void {
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mmc6.reset();
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}
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auto serialize(serializer& s) -> void {
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Board::serialize(s);
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mmc6.serialize(s);
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}
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MMC6 mmc6;
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};
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