From fca85bce04bab3c42c67f72522027cdd95aebb5b Mon Sep 17 00:00:00 2001
From: alyosha-tas <alexei.f.k@gmail.com>
Date: Fri, 4 Nov 2016 22:55:14 -0400
Subject: [PATCH] Fix UNL-LH10

---
 .../Nintendo/NES/Boards/UNIF/UNIF_UNL-LH10.cs | 186 +++++++++---------
 1 file changed, 96 insertions(+), 90 deletions(-)

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
index 6532427d7f..5f9d5447c5 100644
--- 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
@@ -1,91 +1,97 @@
-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);
-		}
-	}
+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)
+		{
+			if (addr>=0x4000 && addr<0x6000)
+			{
+				WRAM[addr - 0x4000] = value;
+				return;
+			}
+
+
+			addr += 0x8000;
+			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)
+			{
+				return WRAM[addr - 0x4000];
+			}
+			else
+			{
+				bank = 0xFF;
+			}
+
+			bank &= prg_bank_mask_8;
+			return ROM[(bank << 13) + (addr & 0x1FFF)];
+		}
+
+		public override byte ReadPPU(int addr)
+		{
+			return base.ReadPPU(addr);
+		}
+	}
 }