Mesen/Core/Bmc810544CA1.h
2016-12-17 23:14:47 -05:00

33 lines
751 B
C++

#pragma once
#include "stdafx.h"
#include "BaseMapper.h"
class Bmc810544CA1 : public BaseMapper
{
protected:
uint16_t GetPRGPageSize() override { return 0x4000; }
uint16_t GetCHRPageSize() override { return 0x2000; }
void InitMapper() override
{
}
void Reset(bool softReset) override
{
BaseMapper::Reset(softReset);
WriteRegister(0x8000, 0);
}
void WriteRegister(uint16_t addr, uint8_t value) override
{
uint16_t bank = (addr >> 6) & 0xFFFE;
if(addr & 0x40) {
SelectPrgPage2x(0, bank);
} else {
SelectPRGPage(0, bank | ((addr >> 5) & 0x01));
SelectPRGPage(1, bank | ((addr >> 5) & 0x01));
}
SelectCHRPage(0, addr & 0x0F);
SetMirroringType(addr & 0x10 ? MirroringType::Horizontal : MirroringType::Vertical);
}
};