Description

Lets you set what input device is to be used as a trackball control. This will override the commands -mouse, -joystick etc...

Alternative Command

-trackball

Example

mame <gamename> -trackball_device mouse

Command Format

<gamename> -trackball_device <device>. The device can be keyboard, mouse, joystick, lightgun or none.. The example will set the default device if a game uses a trackball to your mouse.

MAME's Default Setting

keyboard