mirror of
https://github.com/SourMesen/Mesen2.git
synced 2025-04-02 10:21:44 -04:00
27 lines
No EOL
601 B
C++
27 lines
No EOL
601 B
C++
#pragma once
|
|
#include "pch.h"
|
|
#include "NES/BaseMapper.h"
|
|
|
|
class Mapper229 : public BaseMapper
|
|
{
|
|
protected:
|
|
uint16_t GetPrgPageSize() override { return 0x4000; }
|
|
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);
|
|
}
|
|
}; |