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27 lines
798 B
C
27 lines
798 B
C
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#pragma once
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#include "stdafx.h"
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#include "MMC3.h"
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class MMC3_MaliSB : public MMC3
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{
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protected:
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void SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memoryType = ChrMemoryType::Default) override
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{
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MMC3::SelectCHRPage(slot, (page & 0xDD) | ((page & 0x20) >> 4) | ((page & 0x02) << 4), memoryType);
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}
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void SelectPRGPage(uint16_t slot, uint16_t page, PrgMemoryType memoryType = PrgMemoryType::PrgRom) override
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{
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MMC3::SelectPRGPage(slot, (page & 0x03) | ((page & 0x08) >> 1) | ((page & 0x04) << 1), memoryType);
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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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if(addr >= 0xC000) {
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addr = (addr & 0xFFFE) | ((addr >> 2) & 0x01) | ((addr >> 3) & 0x01);
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} else {
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addr = (addr & 0xFFFE) | ((addr >> 3) & 0x01);
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}
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MMC3::WriteRegister(addr, value);
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}
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};
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