Mesen2/Core/NES/Mappers/Unlicensed/Henggedianzi179.h
2022-09-08 21:29:52 -04:00

28 lines
No EOL
713 B
C++

#pragma once
#include "pch.h"
#include "NES/BaseMapper.h"
class Henggedianzi179 : public BaseMapper
{
protected:
uint16_t GetPrgPageSize() override { return 0x8000; }
uint16_t GetChrPageSize() override { return 0x2000; }
uint16_t RegisterStartAddress() override { return 0x8000; }
uint16_t RegisterEndAddress() override { return 0xFFFF; }
void InitMapper() override
{
AddRegisterRange(0x5000, 0x5FFF, MemoryOperation::Write);
SelectPrgPage(0, 0);
SelectChrPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value) override
{
if(addr >= 0x8000) {
SetMirroringType(value & 0x01 ? MirroringType::Horizontal : MirroringType::Vertical);
} else {
SelectPrgPage(0, value >> 1);
}
}
};