Mesen2/Core/NES/Mappers/Jaleco/JalecoJf16.h
2022-09-08 21:29:52 -04:00

31 lines
No EOL
802 B
C++

#pragma once
#include "pch.h"
#include "NES/BaseMapper.h"
class JalecoJf16 : public BaseMapper
{
protected:
uint16_t GetPrgPageSize() override { return 0x4000; }
uint16_t GetChrPageSize() override { return 0x2000; }
bool HasBusConflicts() override { return true; }
void InitMapper() override
{
SelectPrgPage(0, GetPowerOnByte());
SelectPrgPage(1, -1);
SelectChrPage(0, GetPowerOnByte());
}
void WriteRegister(uint16_t addr, uint8_t value) override
{
SelectPrgPage(0, value & 0x07);
SelectChrPage(0, (value >> 4) & 0x0F);
if(_romInfo.SubMapperID == 3) {
//078: 3 Holy Diver
SetMirroringType(value & 0x08 ? MirroringType::Vertical : MirroringType::Horizontal);
} else {
SetMirroringType(value & 0x08 ? MirroringType::ScreenBOnly : MirroringType::ScreenAOnly);
}
}
};