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 prg_read(uint addr) -> uint8 {
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if((addr & 0xf000) == 0x7000) return mmc6.ram_read(addr);
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if(addr & 0x8000) return prgrom.read(mmc6.prg_addr(addr));
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return cpu.mdr();
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}
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auto prg_write(uint addr, uint8 data) -> void {
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if((addr & 0xf000) == 0x7000) return mmc6.ram_write(addr, data);
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if(addr & 0x8000) return mmc6.reg_write(addr, data);
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}
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auto chr_read(uint addr) -> uint8 {
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mmc6.irq_test(addr);
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if(addr & 0x2000) return ppu.ciram_read(mmc6.ciram_addr(addr));
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return Board::chr_read(mmc6.chr_addr(addr));
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}
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auto chr_write(uint addr, uint8 data) -> void {
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mmc6.irq_test(addr);
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if(addr & 0x2000) return ppu.ciram_write(mmc6.ciram_addr(addr), data);
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return Board::chr_write(mmc6.chr_addr(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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