Mame Menu - Input (General) - Player 1
1. Clear the Track X Analog, Track X Analog Inc and Track X Analog Dec (highlight the input, press enter, press escape)
2. Assign input to Track X Analog (press enter then move trackball the desired direction) Leave the Inc and Dec as "none" unless you plan on using a joystick to play a trackball game.

3. Repeat 1 and 2 for Y axis.
4. Repeat 1-3 for Mouse inputs.
5. Repeat 1-4 in Player 2 menu.
Scott
EDIT: Forgot that you'd need to edit for
all games.
