Player 1 Button 9

Toggle speed throttling

Increase frame skipping on the fly

Fast forward. While held, runs game with throttling disabled and with the maximum frameskip. (Windows non-SDL MAME only)

Decrease frame skipping on the fly

Exit emulator / Cancel current UI option

Temporarily hide the On Screen Display

Select last UI menu option

Move to bottom of list

Move to top of list

Highlight first UI menu option

Bring the On Screen Display back after hiding it

Toggle cheat mode. (if started with “-cheat”)

Clear/reset to default when highlighting an entry on the input configuration, cheat options, and plugin options pages

Soft resets the machine

Shows the game palette, decoded graphics tiles/characters and any tilemaps

Save a screen snapshot

Stop tape for machines that have cassette tape drives

Player 1 Button 10

Player 3 left

Player 1 Left on Right Stick for dual-stick machines (e.g. Robotron)

Change current UI option setting when an arrow is present on it

Increase the value of the selected parameter

Pauses the emulated machine

Player 1 Down on Right Stick for dual-stick machines (e.g. Robotron)

Player 3 down

Change current UI option setting when an arrow is present on it

Decrease the value of the selected parameter

Rotate tiles 90 degrees clockwise

Rotate tilemap view 90 degrees clockwise

Player 2 up

Toggles speed display

Load a save state. You will be prompted to press a key or select from the menu to determine which save state you wish to load

Player 1 Button 3

Show comment on currently highlighted UI menu option

Highlight next UI menu option

Select next parameter to modify

Select previous parameter to modify

Highlight previous UI menu option