Mesen/Core/Sunsoft184.h
2015-12-30 20:31:54 -05:00

25 lines
590 B
C++

#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Sunsoft184 : public BaseMapper
{
protected:
virtual uint16_t GetPRGPageSize() { return 0x8000; }
virtual uint16_t GetCHRPageSize() { return 0x1000; }
virtual uint16_t RegisterStartAddress() { return 0x6000; }
virtual uint16_t RegisterEndAddress() { return 0x7FFF; }
void InitMapper()
{
SelectPRGPage(0, 0);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
SelectCHRPage(0, value & 0x07);
//"The most significant bit of H is always set in hardware."
SelectCHRPage(1, 0x80 | ((value >> 4) & 0x07));
}
};