mirror of
https://github.com/libretro/Mesen.git
synced 2024-12-13 20:42:24 +00:00
27 lines
616 B
C++
27 lines
616 B
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "BaseMapper.h"
|
|
|
|
class Mapper229 : public BaseMapper
|
|
{
|
|
protected:
|
|
virtual uint16_t GetPRGPageSize() override { return 0x4000; }
|
|
virtual uint16_t GetCHRPageSize() override { return 0x2000; }
|
|
|
|
void InitMapper() override
|
|
{
|
|
WriteRegister(0x8000, 0);
|
|
}
|
|
|
|
void WriteRegister(uint16_t addr, uint8_t value) override
|
|
{
|
|
SelectCHRPage(0, addr & 0xFF);
|
|
if(!(addr & 0x1E)) {
|
|
SelectPrgPage2x(0, 0);
|
|
} else {
|
|
SelectPRGPage(0, addr & 0x1F);
|
|
SelectPRGPage(1, addr & 0x1F);
|
|
}
|
|
SetMirroringType(addr & 0x20 ? MirroringType::Horizontal : MirroringType::Vertical);
|
|
}
|
|
}; |