Google is your friend when it comes to finding ROM sources, and if you need to have a look at MAME OS X manual, you can find it here. To “install” a game ROM, all you need to do then is to copy it into ROMs folder that you’ve created. $Home/MAME/ROMs, $Home/MAME/Disk Images, $Home/MAME/Samples and $Home/MAME/Artwork), and then change configuration to use these directories. You should create folders in your home directory for ROMs, disk images, samples and artwork (e.g. You can configure this under application’s Preferences -> General. These ROMs need to be put in a place where MAME OS X can find them. To play games in MAME OS X, you’ll need to have game ROMs. It is a native OS X port of the popular MAME emulator. MAME OS X allows you to play arcade machine games on your Mac.
