Description
Lets you set the path to ROM sets and hard disk images
Example
mame <gamename> -rompath rom2
Command Format
-rompath <path> where <path> is where your roms are. You can add mutiple paths by using a semicolon ( ; ) between the paths you want. The example sets the rom path to rom2 so MAME will only look there.
MAME's Default Path
roms