Mesen/Core/Mapper246.h
2016-01-18 22:08:00 -05:00

32 lines
633 B
C++

#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Mapper246 : public BaseMapper
{
protected:
virtual uint16_t RegisterStartAddress() { return 0x6000; }
virtual uint16_t RegisterEndAddress() { return 0x67FF; }
virtual uint16_t GetPRGPageSize() { return 0x2000; }
virtual uint16_t GetCHRPageSize() { return 0x0800; }
void InitMapper()
{
SelectPRGPage(3, 0xFF);
}
virtual void Reset(bool softReset)
{
SelectPRGPage(3, 0xFF);
}
void WriteRegister(uint16_t addr, uint8_t value)
{
if((addr & 0x7) <= 0x3) {
SelectPRGPage(addr & 0x03, value);
} else {
SelectCHRPage(addr & 0x03, value);
}
}
};