jon@gimli:/usr/local/games/mame$ xmame
SDL: Info: SDL initialized
info: trying to parse: /etc/xmame/xmamerc
error: /etc/xmame/xmamerc(55): unknown option keepaspect, ignoring line
error: /etc/xmame/xmamerc(56): unknown option displayaspectratio, ignoring line
error: /etc/xmame/xmamerc(71): unknown option joyusb-calibrate, ignoring line
info: trying to parse: /home/jon/.xmame/xmamerc
error: /home/jon/.xmame/xmamerc(11): unknown option video-mode, ignoring line
error: /home/jon/.xmame/xmamerc(35): unknown option cursor, ignoring line
error: /home/jon/.xmame/xmamerc(36): unknown option mitshm, ignoring line
error: /home/jon/.xmame/xmamerc(37): unknown option xsync, ignoring line
error: /home/jon/.xmame/xmamerc(40): unknown option run-in-root-window, ignoring line
error: /home/jon/.xmame/xmamerc(41): unknown option root_window_id, ignoring line
error: /home/jon/.xmame/xmamerc(42): unknown option geometry, ignoring line
error: /home/jon/.xmame/xmamerc(47): unknown option keepaspect, ignoring line
error: /home/jon/.xmame/xmamerc(48): unknown option displayaspectratio, ignoring line
error: /home/jon/.xmame/xmamerc(51): unknown option grabmouse, ignoring line
error: /home/jon/.xmame/xmamerc(52): unknown option winkeys, ignoring line
info: trying to parse: /etc/xmame/xmame-SDLrc
info: trying to parse: /home/jon/.xmame/xmame-SDLrc
info: trying to parse: /etc/xmame/rc/pacmanrc
info: trying to parse: /home/jon/.xmame/rc/pacmanrc
loading rom 0: pacman.6e                       
loading rom 1: pacman.6f                       
loading rom 2: pacman.6h                       
loading rom 3: pacman.6j                       
loading rom 4: pacman.5e                       
loading rom 5: pacman.5f                       
loading rom 6: 82s123.7f                       
loading rom 7: 82s126.4a                       
loading rom 8: 82s126.1m                       
loading rom 9: 82s126.3m                       
done
pacman.5e    NOT FOUND
pacman.5f    NOT FOUND
82s123.7f    NOT FOUND
82s126.4a    NOT FOUND
82s126.1m    NOT FOUND
82s126.3m    NOT FOUND
ERROR: required files are missing, the game cannot be run.
jon@gimli:/usr/local/games/mame$