[MAME] Any way of making used buttons light up?

Searched and couldn’t find anything. (Maybe my search skills suck?)

For example, if I were to play SF all six buttons would light up. If I switched games to Galaga, then only one button would light up. I think this would be handy, especially on boxes that have a ton of games on them.

There would have to be a way of accessing available buttons and I don’t know if any MAME emulators let you do this. Any ideas?

Well of course I’ve been searching for an hour without finding anything. Then 2 minutes after I post, I find my answer here:


n00b post ++