BizHawk/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/Mapper108.cs

54 lines
1.0 KiB
C#

using BizHawk.Common;
namespace BizHawk.Emulation.Cores.Nintendo.NES
{
// Meikyuu Jiin Dababa (FDS Conversion)
internal sealed class Mapper108 : NesBoardBase
{
private int prg;
public override bool Configure(EDetectionOrigin origin)
{
switch (Cart.BoardType)
{
case "MAPPER108":
break;
default:
return false;
}
AssertPrg(128);
AssertChr(0);
Cart.VramSize = 8;
AssertWram(0);
SetMirrorType(Cart.PadH, Cart.PadV);
return true;
}
public override void WritePrg(int addr, byte value)
{
if (addr < 0xFFF
|| addr >= 0x7000) // hack ported from FCEUX to support Bubble Bobble (FDS Conversion, Kaiser Hacked) (Unl) [p1][!]
{
prg = value & 15;
}
}
public override byte ReadPrg(int addr)
{
return Rom[addr | 0x18000];
}
public override byte ReadWram(int addr)
{
return Rom[addr | prg << 13];
}
public override void SyncState(Serializer ser)
{
base.SyncState(ser);
ser.Sync(nameof(prg), ref prg);
}
}
}