add a2600 game database

BizHawk.Emulation/Consoles/Atari/2600/Atari2600.cs

@@ -17,6 +17,7 @@ namespace BizHawk
 		public Atari2600(GameInfo game, byte[] rom)
 		{
 			var domains = new List<MemoryDomain>(1);
+			Console.WriteLine("Game uses mapper " + game.GetOptionsDict()["m"]);
 			domains.Add(new MemoryDomain("Main RAM", 128, Endian.Little, addr => ram[addr & 127], (addr, value) => ram[addr & 127] = value));
 			memoryDomains = domains.AsReadOnly();
 			CoreOutputComm = new CoreOutputComm();

BizHawk.MultiClient/output/gamedb.txt

@@ -3,6 +3,7 @@
 #include gamedb_sega_8bit.txt
 #include gamedb_pce_hucards.txt
 #include gamedb_pce_cd.txt
+#include gamedb_a2600.txt
 
 ; ************ TI-83 ************