Mesen/Core/JalecoJf16.h

31 lines
742 B
C++

#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class JalecoJf16 : public BaseMapper
{
protected:
virtual uint16_t GetPRGPageSize() { return 0x4000; }
virtual uint16_t GetCHRPageSize() { return 0x2000; }
virtual bool HasBusConflicts() { return true; }
void InitMapper()
{
SelectPRGPage(0, 0);
SelectPRGPage(1, -1);
SelectCHRPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
SelectPRGPage(0, value & 0x07);
SelectCHRPage(0, (value >> 4) & 0x0F);
if(_subMapperID == 3) {
//078: 3 Holy Diver
SetMirroringType(value & 0x08 ? MirroringType::Vertical : MirroringType::Horizontal);
} else {
SetMirroringType(value & 0x08 ? MirroringType::ScreenBOnly : MirroringType::ScreenAOnly);
}
}
};