#pragma once #include "pch.h" #include "NES/BaseMapper.h" class Mapper229 : public BaseMapper { protected: uint16_t GetPrgPageSize() override { return 0x4000; } 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); } };