Description

This option will keep the aspect ratio of a games screen despite how you resize a window. if you turn it off then in fullscreen it'll stretch games and fill the screen.

Alternative Command

-ka

Example

mame <gamename> -keepaspect

Command Format

<gamename> -keepaspect. This command has no other parameters.

MAME's Default Setting

On

Opposite Command

-nokeepaspect
-noka