23 lines
541 B
C
23 lines
541 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 Bmc190in1 : public BaseMapper
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{
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protected:
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uint16_t GetPRGPageSize() { return 0x4000; }
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uint16_t GetCHRPageSize() { return 0x2000; }
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void InitMapper() override
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{
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WriteRegister(0x8000, 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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SelectPRGPage(0, (value >> 2) & 0x07);
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SelectPRGPage(1, (value >> 2) & 0x07);
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SelectCHRPage(0, (value >> 2) & 0x07);
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SetMirroringType(value & 0x01 ? MirroringType::Horizontal : MirroringType::Vertical);
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}
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};
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