#pragma once #include "pch.h" #include "NES/BaseMapper.h" //NTDec 5-in-1 cart - untested, based on Wiki description class Mapper174 : 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 { uint8_t prgBank = (addr >> 4) & 0x07; if(addr & 0x80) { SelectPrgPage2x(0, prgBank & 0xFE); } else { SelectPrgPage(0, prgBank); SelectPrgPage(1, prgBank); } SelectChrPage(0, (addr >> 1) & 0x07); SetMirroringType(addr & 0x01 ? MirroringType::Horizontal : MirroringType::Vertical); } };