Thanks man, I'll give it a shot!Sorry, didn't see this until now....
For Pi3 use MAME 0.078 (*AKA MAME 2003 plus) for NBAJam, NBA Jam TE, NBA Hangtime and Maximum Hangtime.
For Pi4 use MAME 0.172.
If the startup rom scanner has been disabled scan the roms from the service menu so they show up.


