mirror of
https://github.com/libretro/Mesen.git
synced 2024-11-23 09:09:45 +00:00
30 lines
652 B
C++
30 lines
652 B
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "BaseMapper.h"
|
|
|
|
class Rt01 : public BaseMapper
|
|
{
|
|
protected:
|
|
uint16_t GetPRGPageSize() override { return 0x4000; }
|
|
uint16_t GetCHRPageSize() override { return 0x800; }
|
|
bool AllowRegisterRead() override { return true; }
|
|
|
|
void InitMapper() override
|
|
{
|
|
SelectPRGPage(0, 0);
|
|
SelectPRGPage(1, 0);
|
|
SelectCHRPage(0, 0);
|
|
SelectCHRPage(1, 0);
|
|
SelectCHRPage(2, 0);
|
|
SelectCHRPage(3, 0);
|
|
}
|
|
|
|
uint8_t ReadRegister(uint16_t addr) override
|
|
{
|
|
if((addr >= 0xCE80 && addr < 0xCF00) || (addr >= 0xFE80 && addr < 0xFF00)) {
|
|
return 0xF2 | (rand() & 0x0D);
|
|
} else {
|
|
return InternalReadRam(addr);
|
|
}
|
|
}
|
|
}; |