From a979721415a6eac1521765ca564460a853865880 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Fri, 4 Nov 2016 13:20:29 -0500
Subject: [PATCH] NesHawk - Attempt UNIF_UNL-LH10, something is messed up
 though, nametable is off

---
 .../BizHawk.Emulation.Cores.csproj            |  1 +
 .../Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs | 91 +++++++++++++++++++
 2 files changed, 92 insertions(+)
 create mode 100644 BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs

diff --git a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
index 70810ba034..ee0a4d18ce 100644
--- a/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
+++ b/BizHawk.Emulation.Cores/BizHawk.Emulation.Cores.csproj
@@ -782,6 +782,7 @@
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL-KOF97.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL-KS7012.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL-KS7013B.cs" />
+    <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL-LH10.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL-SHERO.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL-TF1201.cs" />
     <Compile Include="Consoles\Nintendo\NES\Boards\UNIF\UNIF_UNL_DripGame.cs" />
diff --git a/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs
new file mode 100644
index 0000000000..6532427d7f
--- /dev/null
+++ b/BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs
@@ -0,0 +1,91 @@
+using BizHawk.Common;
+
+namespace BizHawk.Emulation.Cores.Nintendo.NES
+{
+	public sealed class UNIF_UNL_LH10 : NES.NESBoardBase
+	{
+		private ByteBuffer reg = new ByteBuffer(8);
+		private int cmd;
+
+		private int prg_bank_mask_8;
+
+		public override bool Configure(NES.EDetectionOrigin origin)
+		{
+			//configure
+			switch (Cart.board_type)
+			{
+				case "UNIF_UNL-LH10":
+					NES._isVS = true;
+					break;
+				default:
+					return false;
+			}
+
+			prg_bank_mask_8 = Cart.prg_size / 8 - 1;
+
+			//SetMirrorType(Cart.pad_h, Cart.pad_v);
+			SetMirrorType(EMirrorType.Vertical);
+			return true;
+		}
+
+		public override void Dispose()
+		{
+			reg.Dispose();
+			base.Dispose();
+		}
+
+		public override void SyncState(Serializer ser)
+		{
+			ser.Sync("reg", ref reg);
+			ser.Sync("cmd", ref cmd);
+			base.SyncState(ser);
+		}
+
+		public override void WritePRG(int addr, byte value)
+		{
+			addr += 0x8000;
+			if (addr < 0xC000 || addr >= 0xE000)
+			{
+				switch (addr & 0xE001)
+				{
+					case 0x8000: cmd = value & 7; break;
+					case 0x8001: reg[cmd] = value; break;
+				}
+			}
+		}
+
+		public override byte ReadWRAM(int addr)
+		{
+			return ROM[ROM.Length - 0x4000 + addr];
+		}
+
+		public override byte ReadPRG(int addr)
+		{
+			int bank = 0;
+			if (addr < 0x2000)
+			{
+				bank = reg[6];
+			}
+			else if (addr < 0x4000)
+			{
+				bank = reg[7];
+			}
+			else if (addr < 0x6000)
+			{
+				bank = 4;
+			}
+			else
+			{
+				bank = 0xFF;
+			}
+
+			bank &= prg_bank_mask_8;
+			return ROM[(bank << 13) + (addr & 0x1FFF)];
+		}
+
+		public override byte ReadPPU(int addr)
+		{
+			return base.ReadPPU(addr);
+		}
+	}
+}