mirror of
https://github.com/libretro/Mesen.git
synced 2024-11-23 09:09:45 +00:00
41 lines
858 B
C++
41 lines
858 B
C++
#pragma once
|
|
#include "stdafx.h"
|
|
#include "MMC3_126.h"
|
|
|
|
class MMC3_516 : public MMC3
|
|
{
|
|
private:
|
|
uint8_t _outerReg;
|
|
|
|
protected:
|
|
void InitMapper() override
|
|
{
|
|
_outerReg = 0;
|
|
MMC3::InitMapper();
|
|
}
|
|
|
|
void StreamState(bool saving) override
|
|
{
|
|
MMC3::StreamState(saving);
|
|
Stream(_outerReg);
|
|
}
|
|
|
|
void SelectCHRPage(uint16_t slot, uint16_t page, ChrMemoryType memoryType = ChrMemoryType::Default) override
|
|
{
|
|
MMC3::SelectCHRPage(slot, ((_outerReg << 5) & 0x180) | (page & 0x7F), memoryType);
|
|
}
|
|
|
|
void SelectPRGPage(uint16_t slot, uint16_t page, PrgMemoryType memoryType = PrgMemoryType::PrgRom) override
|
|
{
|
|
MMC3::SelectPRGPage(slot, ((_outerReg << 4) & 0x30) | (page & 0x0F), memoryType);
|
|
}
|
|
|
|
void WriteRegister(uint16_t addr, uint8_t value) override
|
|
{
|
|
if (addr & 0x10) {
|
|
_outerReg = addr & 0x0F;
|
|
}
|
|
MMC3::WriteRegister(addr, value);
|
|
}
|
|
};
|