tafazzi87
Participant
07/05/2014 at 13:22
Post count: 9
#12216

you’ve to do with root permissions…you’ve to go on terminal (press f4) and 


sudo -i
cd /opt/retropie/emulators/mame4all  (mame4all folder i don't remember specifically folder)
./mame

now you choose a game and inside game press tab on keyboard and you’ve to configure buttons