Default to MAME2010 for retroarch

emus/settings.py

@@ -269,7 +269,7 @@ GAME_SYSTEM_DEFAULTS = {
     "mame-libretro": {
         "name": "Arcade",
         "color": "111111",
-        "retroarch_core": "lr-mame2003",
+        "retroarch_core": "mame2010",
     },
     "megadrive": {
         "name": "Genesis/Mega Drive",