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30 lines
832 B
C++
30 lines
832 B
C++
#pragma once
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#include "stdafx.h"
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#include "BaseMapper.h"
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class IremLrog017 : 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 0x0800; }
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virtual uint32_t GetChrRamSize() override { return 0x1800; }
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virtual uint16_t GetChrRamPageSize() override { return 0x0800; }
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virtual bool HasBusConflicts() override { return true; }
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void InitMapper() override
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{
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SelectPRGPage(0, 0);
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SelectCHRPage(0, 0);
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SetMirroringType(MirroringType::FourScreens);
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SelectCHRPage(1, 0, ChrMemoryType::ChrRam);
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SelectCHRPage(2, 1, ChrMemoryType::ChrRam);
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SelectCHRPage(3, 2, ChrMemoryType::ChrRam);
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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 & 0x0F);
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SelectCHRPage(0, (value >> 4) & 0x0F);
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}
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}; |