forked from sin365/AxibugEmuOnline
71 lines
2.0 KiB
C#
71 lines
2.0 KiB
C#
//////////////////////////////////////////////////////////////////////////
|
|
// Mapper222 //
|
|
//////////////////////////////////////////////////////////////////////////
|
|
using static VirtualNes.MMU;
|
|
using static VirtualNes.Core.CPU;
|
|
using INT = System.Int32;
|
|
using BYTE = System.Byte;
|
|
using System;
|
|
//using Codice.CM.Client.Differences;
|
|
|
|
namespace VirtualNes.Core
|
|
{
|
|
public class Mapper222 : Mapper
|
|
{
|
|
public Mapper222(NES parent) : base(parent)
|
|
{
|
|
}
|
|
|
|
public override void Reset()
|
|
{
|
|
SetPROM_32K_Bank(0, 1, PROM_8K_SIZE - 2, PROM_8K_SIZE - 1);
|
|
if (VROM_1K_SIZE != 0)
|
|
{
|
|
SetVROM_8K_Bank(0);
|
|
}
|
|
SetVRAM_Mirror(VRAM_VMIRROR);
|
|
}
|
|
|
|
//void Mapper222::Write(WORD addr, BYTE data)
|
|
public override void Write(ushort addr, byte data)
|
|
{
|
|
switch (addr & 0xF003)
|
|
{
|
|
case 0x8000:
|
|
SetPROM_8K_Bank(4, data);
|
|
break;
|
|
case 0xA000:
|
|
SetPROM_8K_Bank(5, data);
|
|
break;
|
|
case 0xB000:
|
|
SetVROM_1K_Bank(0, data);
|
|
break;
|
|
case 0xB002:
|
|
SetVROM_1K_Bank(1, data);
|
|
break;
|
|
case 0xC000:
|
|
SetVROM_1K_Bank(2, data);
|
|
break;
|
|
case 0xC002:
|
|
SetVROM_1K_Bank(3, data);
|
|
break;
|
|
case 0xD000:
|
|
SetVROM_1K_Bank(4, data);
|
|
break;
|
|
case 0xD002:
|
|
SetVROM_1K_Bank(5, data);
|
|
break;
|
|
case 0xE000:
|
|
SetVROM_1K_Bank(6, data);
|
|
break;
|
|
case 0xE002:
|
|
SetVROM_1K_Bank(7, data);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
}
|
|
}
|