improve nes rom detection log, and set svn:executable on some files

BizHawk.Emulation/Consoles/Nintendo/NES/BoardSystem.cs

@@ -79,16 +79,21 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 				mirroring[3] = d;
 			}
 
-			protected void SetMirrorType(int pad_h, int pad_v)
+			public static EMirrorType CalculateMirrorType(int pad_h, int pad_v)
 			{
 				if (pad_h == 0)
 					if (pad_v == 0)
-						SetMirrorType(EMirrorType.OneScreenA);
+						return EMirrorType.OneScreenA;
-					else SetMirrorType(EMirrorType.Horizontal);
+					else return EMirrorType.Horizontal;
 				else
 					if (pad_v == 0)
-						SetMirrorType(EMirrorType.Vertical);
+						return EMirrorType.Vertical;
-					else SetMirrorType(EMirrorType.OneScreenB);
+					else return EMirrorType.OneScreenB;
+			}
+
+			protected void SetMirrorType(int pad_h, int pad_v)
+			{
+				SetMirrorType(CalculateMirrorType(pad_h, pad_v));
 			}
 
 			public void SetMirrorType(EMirrorType mirrorType)

BizHawk.Emulation/Consoles/Nintendo/NES/NES.cs

@@ -444,6 +444,8 @@ namespace BizHawk.Emulation.Consoles.Nintendo
 					var hash = "sha1:" + Util.Hash_SHA1(bytes, 0, bytes.Length);
 					LoadWriteLine("  PRG (8KB) + CHR hash: {0}", hash);
 					hash_sha1_several.Add(hash);
+					hash = "md5:" + Util.Hash_MD5(bytes, 0, bytes.Length);
+					LoadWriteLine("  PRG (8KB) + CHR hash:  {0}", hash);
 				}
 
 				Type boardType = null;

BizHawk.Emulation/Consoles/Nintendo/NES/iNES.cs

@@ -188,7 +188,8 @@ static string ClassifyTable = @"
 				//let's not put a lot of hacks in here. that's what the databases are for.
 				//for example of one not to add: videomation hack to change vram = 8 -> 16
 
-				report.WriteLine("map={0},pr={1},ch={2},wr={3},vr={4},ba={5},mir={6}", ret.mapper, ret.prg_size, ret.chr_size, ret.wram_size, ret.vram_size, ret.wram_battery ? 1 : 0, mirroring);
+				string mirror_memo = mirroring == 0 ? "horz" : (mirroring == 1 ? "vert" : "4screen");
+				report.WriteLine("map={0},pr={1},ch={2},wr={3},vr={4},ba={5},mir={6}({7})", ret.mapper, ret.prg_size, ret.chr_size, ret.wram_size, ret.vram_size, ret.wram_battery ? 1 : 0, mirroring, mirror_memo);
 
 				return ret;
 			}