Description
MAME will record all inputs made during gameplay so they can be played back. Make sure you delete any cfg and nvram files before playing back as they may affect it
Alternative Command
-rec
Example
mame <gamename> -record my_game
Command Format
<gamename> -record <file> where <file> is the name of the file name you want your recording done to. The example will load a game and record any keys you press and record them as a file called my_game.
MAME's Default Setting
None
Opposite Command
-playback
-pb