Mesen2/Core/NES/Mappers/Whirlwind/Lh51.h
2022-09-08 21:29:52 -04:00

32 lines
646 B
C++

#pragma once
#include "pch.h"
#include "NES/BaseMapper.h"
class Lh51 : public BaseMapper
{
protected:
uint16_t GetPrgPageSize() override { return 0x2000; }
uint16_t GetChrPageSize() override { return 0x2000; }
void InitMapper() override
{
SelectPrgPage(0, 0);
SelectPrgPage(1, 13);
SelectPrgPage(2, 14);
SelectPrgPage(3, 15);
SelectChrPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value) override
{
switch(addr & 0xE000) {
case 0x8000:
SelectPrgPage(0, value & 0x0F);
break;
case 0xE000:
SetMirroringType(value & 0x08 ? MirroringType::Horizontal : MirroringType::Vertical);
break;
}
}
};