AxibugEmuOnline/References/virtuanessrc097-master/NES/Mapper/Mapper249.h
2024-08-05 17:58:53 +08:00

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//////////////////////////////////////////////////////////////////////////
// Mapper249 Nintendo MMC3 //
//////////////////////////////////////////////////////////////////////////
class Mapper249 : public Mapper
{
public:
Mapper249( NES* parent ) : Mapper(parent) {}
int MMC4prg,MMC4chr;
void Reset();
void Write( WORD addr, BYTE data );
void WriteLow( WORD addr, BYTE data );
//BYTE ReadLow( WORD addr );
void Clock( INT cycles );
void HSync( INT scanline );
// For state save
BOOL IsStateSave() { return TRUE; }
void SaveState( LPBYTE p );
void LoadState( LPBYTE p );
BYTE spdata;
BYTE reg[8];
BYTE prg0, prg1;
BYTE chr01, chr23, chr4, chr5, chr6, chr7;
BYTE we_sram;
BYTE patch;
BYTE irq_type;
BYTE irq_enable;
BYTE irq_counter;
BYTE irq_latch;
BYTE irq_request;
private:
};