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32 lines
633 B
C
32 lines
633 B
C
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#pragma once
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#include "stdafx.h"
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#include "BaseMapper.h"
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class Mapper246 : public BaseMapper
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{
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protected:
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virtual uint16_t RegisterStartAddress() { return 0x6000; }
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virtual uint16_t RegisterEndAddress() { return 0x67FF; }
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virtual uint16_t GetPRGPageSize() { return 0x2000; }
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virtual uint16_t GetCHRPageSize() { return 0x0800; }
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void InitMapper()
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{
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SelectPRGPage(3, 0xFF);
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}
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virtual void Reset(bool softReset)
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{
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SelectPRGPage(3, 0xFF);
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}
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void WriteRegister(uint16_t addr, uint8_t value)
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{
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if((addr & 0x7) <= 0x3) {
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SelectPRGPage(addr & 0x03, value);
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} else {
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SelectCHRPage(addr & 0x03, value);
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}
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}
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};
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