AxibugEmuOnline/References/VirtuaNESex_src_191105/NES/Mapper/Mapper179.h
2024-08-05 17:58:53 +08:00

31 lines
755 B
C++

//////////////////////////////////////////////////////////////////////////
// Mapper179 //
//////////////////////////////////////////////////////////////////////////
class Mapper179 : public Mapper
{
public:
Mapper179( NES* parent ) : Mapper(parent) {}
void Reset();
BYTE ReadLow ( WORD addr );
void WriteLow( WORD addr, BYTE data );
void Write( WORD addr, BYTE data );
void HSync( INT scanline );
void Clock( INT cycles );
void PPU_Latch( WORD addr );
void PPU_ExtLatchX( INT x );
void PPU_ExtLatch( WORD ntbladr, BYTE& chr_l, BYTE& chr_h, BYTE& attr );
protected:
BYTE reg[8];
BYTE irq_enable;
INT irq_counter;
INT irq_latch;
BYTE irq_request;
X24C02 x24c02;
private:
};