diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper206.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper206.cs
index 008ad40b52..0f632e0d93 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper206.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/Boards/MMC3_family/Mapper206.cs
@@ -21,7 +21,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 				case "NAMCOT-3405": //side pocket (J)
 					AssertPrg(128); AssertChr(32); AssertVram(0); AssertWram(0);
 					throw new Exception("TODO - test please");
-					break;
+					//break;
 				case "NAMCOT-3406": //karnov (J)
 					AssertPrg(128); AssertChr(64); AssertVram(0); AssertWram(0);
 					break;
@@ -31,7 +31,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 				case "NAMCOT-3413": //pro yakyuu family stadium (J)
 					AssertPrg(64); AssertChr(32); AssertVram(0); AssertWram(0);
 					throw new Exception("TODO - test please");
-					break;
+					//break;
 				case "NAMCOT-3414": //family boxing (J)
 					AssertPrg(64); AssertChr(64); AssertVram(0); AssertWram(0);
 					break;
@@ -46,7 +46,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 					//(is this game older than the other namcot 109 games?)
 					AssertPrg(32); AssertChr(32); AssertVram(0); AssertWram(0);
 					throw new Exception("TODO - test please");
-					break;
+					//break;
 
 				default:
 					return false;
diff --git a/BizHawk.Emulation/Consoles/Nintendo/NES/Core.cs b/BizHawk.Emulation/Consoles/Nintendo/NES/Core.cs
index 407b072555..75c709ca63 100644
--- a/BizHawk.Emulation/Consoles/Nintendo/NES/Core.cs
+++ b/BizHawk.Emulation/Consoles/Nintendo/NES/Core.cs
@@ -134,7 +134,7 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 				case 0x4010: case 0x4011: case 0x4012: case 0x4013:
 					return apu.ReadReg(addr);
 				case 0x4014: /*OAM DMA*/ break;
-				case 0x4015: return apu.ReadReg(addr); break;
+				case 0x4015: return apu.ReadReg(addr); 
 				case 0x4016:
 				case 0x4017:
 					return read_joyport(addr);
diff --git a/BizHawk.Emulation/Util.cs b/BizHawk.Emulation/Util.cs
index c08c36c65e..53d4017b16 100644
--- a/BizHawk.Emulation/Util.cs
+++ b/BizHawk.Emulation/Util.cs
@@ -412,6 +412,24 @@ namespace BizHawk
 
     public static class Util
     {
+		public static string Hash_MD5(byte[] data, int offset, int len)
+		{
+			using (var md5 = System.Security.Cryptography.MD5.Create())
+			{
+				md5.TransformFinalBlock(data, offset, len);
+				return Util.BytesToHexString(md5.Hash);
+			}
+		}
+
+		public static string Hash_SHA1(byte[] data, int offset, int len)
+		{
+			using (var sha1 = System.Security.Cryptography.SHA1.Create())
+			{
+				sha1.TransformFinalBlock(data, offset, len);
+				return Util.BytesToHexString(sha1.Hash);
+			}
+		}
+
 		public static bool IsPowerOfTwo(int x)
 		{
 			if (x == 0) return true;