Mesen-X/Core/Lh32.h

49 lines
No EOL
868 B
C++

#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Lh32 : public BaseMapper
{
private:
uint8_t _prgReg;
protected:
uint16_t GetPRGPageSize() { return 0x2000; }
uint16_t GetCHRPageSize() { return 0x2000; }
uint16_t RegisterStartAddress() { return 0x6000; }
uint16_t RegisterEndAddress() { return 0x6000; }
void InitMapper() override
{
_prgReg = 0;
SelectCHRPage(0, 0);
SelectPRGPage(0, -4);
SelectPRGPage(1, -3);
SelectPRGPage(2, 0, PrgMemoryType::WorkRam);
SelectPRGPage(3, -1);
UpdateState();
}
void StreamState(bool saving)
{
BaseMapper::StreamState(saving);
Stream(_prgReg);
if(!saving) {
UpdateState();
}
}
void UpdateState()
{
SetCpuMemoryMapping(0x6000, 0x7FFF, _prgReg, PrgMemoryType::PrgRom);
}
void WriteRegister(uint16_t addr, uint8_t value) override
{
_prgReg = value;
UpdateState();
}
};