I've just installed retroarch and intend on installing as many classic emulators on my arcade cabinet as possible.
Is there a recommended setting or mapping for a two player arcade config (2 player, 2 rows of 3 button each, with 3 controls on each player (start, select, ...) that will work with the most emulators/games possible?
Something like:
X Y L1
B A R1
with controls start, select, quit (quit is not a player mapping but rather a retroarch control mapping to exit to front end)
What are your recommendations and why?