#pragma once #include "stdafx.h" #include "BaseMapper.h" class BnRom : public BaseMapper { protected: virtual uint16_t GetPRGPageSize() override { return 0x8000; } virtual uint16_t GetCHRPageSize() override { return 0x2000; } void InitMapper() override { SelectPRGPage(0, GetPowerOnByte()); SelectCHRPage(0, 0); } void WriteRegister(uint16_t addr, uint8_t value) override { //"While the original BNROM board connects only 2 bits, it is recommended that emulators implement this as an 8-bit register allowing selection of up to 8 MB PRG ROM if present." SelectPRGPage(0, value); } };