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22 lines
601 B
C++
22 lines
601 B
C++
#pragma once
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#include "stdafx.h"
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#include "BaseMapper.h"
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class BnRom : public BaseMapper
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{
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protected:
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virtual uint16_t GetPRGPageSize() override { return 0x8000; }
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virtual uint16_t GetCHRPageSize() override { return 0x2000; }
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void InitMapper() override
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{
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SelectPRGPage(0, GetPowerOnByte());
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SelectCHRPage(0, 0);
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}
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void WriteRegister(uint16_t addr, uint8_t value) override
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{
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//"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."
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SelectPRGPage(0, value);
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}
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}; |