mirror of
https://github.com/libretro/Mesen.git
synced 2024-12-14 04:48:42 +00:00
28 lines
707 B
C++
28 lines
707 B
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "BaseMapper.h"
|
|
|
|
class Nina01 : public BaseMapper
|
|
{
|
|
protected:
|
|
virtual uint16_t GetPRGPageSize() override { return 0x8000; }
|
|
virtual uint16_t GetCHRPageSize() override { return 0x1000; }
|
|
virtual uint16_t RegisterStartAddress() override { return 0x7FFD; }
|
|
virtual uint16_t RegisterEndAddress() override { return 0x7FFF; }
|
|
|
|
void InitMapper() override
|
|
{
|
|
SelectPRGPage(0, 0);
|
|
}
|
|
|
|
void WriteRegister(uint16_t addr, uint8_t value) override
|
|
{
|
|
switch(addr) {
|
|
case 0x7FFD: SelectPRGPage(0, value & 0x01); break;
|
|
case 0x7FFE: SelectCHRPage(0, value & 0x0F); break;
|
|
case 0x7FFF: SelectCHRPage(1, value & 0x0F); break;
|
|
}
|
|
|
|
WritePrgRam(addr, value);
|
|
}
|
|
}; |