48 lines
859 B
C
48 lines
859 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 Mapper108 : public BaseMapper
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{
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private:
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uint8_t _reg;
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protected:
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virtual uint16_t RegisterStartAddress() { return 0x8000; }
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virtual uint16_t RegisterEndAddress() { return 0x8FFF; }
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virtual uint16_t GetPRGPageSize() { return 0x2000; }
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virtual uint16_t GetCHRPageSize() { return 0x2000; }
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void InitMapper()
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{
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//Used by Bubble Bobble hack only
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AddRegisterRange(0xF000, 0xFFFF, MemoryOperation::Write);
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_reg = 0;
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SelectPrgPage4x(0, -4);
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SelectCHRPage(0, 0);
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}
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void StreamState(bool saving)
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{
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BaseMapper::StreamState(saving);
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Stream(_reg);
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if(!saving) {
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UpdateState();
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}
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}
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void UpdateState()
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{
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SetCpuMemoryMapping(0x6000, 0x7FFF, _reg, PrgMemoryType::PrgRom);
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}
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void WriteRegister(uint16_t addr, uint8_t value)
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{
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_reg = value;
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UpdateState();
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}
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};
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