AxibugEmuOnline/References/VirtuaNESex_src_191105/NES/Mapper/Mapper253.h

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2024-08-05 17:58:53 +08:00
//////////////////////////////////////////////////////////////////////////
// Mapper253 //
//////////////////////////////////////////////////////////////////////////
class Mapper253 : public Mapper
{
public:
Mapper253( NES* parent ) : Mapper(parent) {}
void Reset();
void Write( WORD addr, BYTE data );
void Clock( INT cycles );
// For state save
BOOL IsStateSave() { return TRUE; }
void SaveState( LPBYTE p );
void LoadState( LPBYTE p );
protected:
BYTE VRAM_switch;
BYTE rom_type;
BYTE reg[9];
BYTE irq_enable;
BYTE irq_counter;
BYTE irq_latch;
INT irq_clock;
private:
void SetBank_PPUSUB( int bank, int page );
};