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nes: mapper 250: "Time Diver Avenger (Unl)". mmc3 clone

This commit is contained in:
goyuken 2012-10-28 17:34:47 +00:00
parent 58bee3b594
commit 8ce3857305
2 changed files with 32 additions and 0 deletions
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1
BizHawk.Emulation/BizHawk.Emulation.csproj
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@ -286,6 +286,7 @@
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper197.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper205.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper245.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\Mapper250.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\MMC3.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\NES-QJ.cs" />
<Compile Include="Consoles\Nintendo\NES\Boards\MMC3_family\TQROM.cs" />

31
BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper250.cs Normal file
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@ -0,0 +1,31 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace BizHawk.Emulation.Consoles.Nintendo
{
// Time Diver Avenger (Unl)
// MMC3 with slightly different write scheme
// presumably the board contains an MMC3 clone with some unique edge case behavior; unknown
public class Mapper250 : MMC3Board_Base
{
public override bool Configure(NES.EDetectionOrigin origin)
{
switch (Cart.board_type)
{
case "MAPPER250":
break;
default:
return false;
}
BaseSetup();
return true;
}
public override void WritePRG(int addr, byte value)
{
base.WritePRG(addr & 0x6000 | addr >> 10 & 1, (byte)(addr & 0xff));
}
}
}