NESHawk - implement board UNIF_BMC-190in1

BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj

@@ -638,6 +638,7 @@
     <Compile Include="Consoles\Nintendo\NES\Boards\TENGEN-800032.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\TENGEN_800008.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF-DREAMTECH01.cs" />
+    <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-190in1.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-A65AS.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_BMC-T-262.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UxROM.cs">

BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_BMC-190in1.cs

@@ -0,0 +1,50 @@
+using BizHawk.Common;
+using BizHawk.Common.NumberExtensions;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+	public class UNIF_BMC_190in1 : NES.NESBoardBase
+	{
+		private int _reg;
+
+		public override bool Configure(NES.EDetectionOrigin origin)
+		{
+			switch (Cart.board_type)
+			{
+				case "UNIF_BMC-190in1":
+					break;
+				default:
+					return false;
+			}
+
+			return true;
+		}
+
+		public override void SyncState(Serializer ser)
+		{
+			base.SyncState(ser);
+			ser.Sync("reg", ref _reg);
+
+		}
+		public override void WritePRG(int addr, byte value)
+		{
+			_reg = (addr >> 2) & 7;
+			SetMirrorType(addr.Bit(0) ? EMirrorType.Horizontal : EMirrorType.Vertical);
+		}
+
+		public override byte ReadPPU(int addr)
+		{
+			if (addr < 0x2000)
+			{
+				return VROM[(_reg * 0x2000) + (addr & 0x1FFF)];
+			}
+
+			return base.ReadPPU(addr);
+		}
+
+		public override byte ReadPRG(int addr)
+		{
+			return ROM[(_reg * 0x4000) + (addr & 0x3FFF)];
+		}
+	}
+}