Mesen2/Core/NES/Mappers/Nintendo/AXROM.h
2022-09-08 21:29:52 -04:00

26 lines
No EOL
654 B
C++

#pragma once
#include "pch.h"
#include "NES/BaseMapper.h"
#include "Utilities/Serializer.h"
class AXROM : public BaseMapper
{
protected:
virtual uint16_t GetPrgPageSize() override { return 0x8000; }
virtual uint16_t GetChrPageSize() override { return 0x2000; }
void InitMapper() override
{
SelectChrPage(0, 0);
WriteRegister(0, GetPowerOnByte());
}
bool HasBusConflicts() override { return _romInfo.SubMapperID == 2; }
void WriteRegister(uint16_t addr, uint8_t value) override
{
SelectPrgPage(0, value & 0x0F);
SetMirroringType(((value & 0x10) == 0x10) ? MirroringType::ScreenBOnly : MirroringType::ScreenAOnly);
}
};