#pragma once #include "stdafx.h" #include "BaseMapper.h" class Mapper229 : public BaseMapper { protected: virtual uint16_t GetPRGPageSize() override { return 0x4000; } virtual uint16_t GetCHRPageSize() override { return 0x2000; } void InitMapper() override { WriteRegister(0x8000, 0); } void WriteRegister(uint16_t addr, uint8_t value) override { SelectCHRPage(0, addr & 0xFF); if(!(addr & 0x1E)) { SelectPrgPage2x(0, 0); } else { SelectPRGPage(0, addr & 0x1F); SelectPRGPage(1, addr & 0x1F); } SetMirroringType(addr & 0x20 ? MirroringType::Horizontal : MirroringType::Vertical); } };