Toggle configuration menu

Toggle the on-screen display

Select previous parameter to modify

Select next parameter to modify

Decrease the value of the selected parameter

Increase the value of the selected parameter

Reset parameter value to its default

Decrease the value by 10x

Decrease the value by 0.1x

Decrease the value by the smallest amount

Increase the value by 10x

Increase the value by 0.1x

Increase the value by the smallest amount

Temporarily hide the On Screen Display

Bring the On Screen Display back after hiding it

Highlight previous UI menu option

Highlight next UI menu option

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

Highlight first UI menu option

Select last UI menu option

Select previous UI panel

Select currently highlighted UI menu option

Show comment on currently highlighted UI menu option

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

UI previous group

UI next group

Pauses the emulated machine

While paused, advances to next frame. If rewind is enabled, a new rewind save state is also captured

While paused, loads the most recent rewind save state

Power the machine on for machines that have specific power button behavior

Power the machine off for machines that have specific power button behavior

Soft resets the machine

Performs a “hard reset”, which tears everything down and re-creates it from scratch. This is a more thorough and complete reset than the reset you get from hitting F3

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

Switch between palette devices

Scroll up / down one line at a time

Scroll up / down one page at a time

Move to top of list

Move to bottom of list

Increase / Decrease number of colors per row

Switch to graphics viewer

Switch between different graphics sets

Scroll up / down one line at a time

Scroll up / down one page at a time

Move to top of list

Move to bottom of list

Change color displayed

Rotate tiles 90 degrees clockwise

Increase / Decrease the number of tiles per row

Switch to tilemap viewer

Switch between different tilemaps

Scroll 8 pixels at a time

Scroll 1 pixel at a time

Scroll 64 pixel at a time

Rotate tilemap view 90 degrees clockwise

Increase / Decrease zoom factor

Switch to palette / colortable mode

Toggle filter (SDL MAME only)

Toggle HLSL Post-Processing. (Windows non-SDL MAME only)

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

Decrease prescaling

Increase prescaling

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

Create a save state. Requires an additional keypress to identify the state, similar to the load option above. If an existing save state is present, it will also appear in the selection menu to allow overwriting of that save state

Decrease frame skipping on the fly

Increase frame skipping on the fly

Toggle speed throttling

Toggles speed display

Toggles internal profiler display (if compiled in)

Record HLSL Rendered Video

Save a screen snapshot

Begin recording MNG video

Begin recording AVI video

Take HLSL rendered snapshot

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

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

Toggle between full-screen and windowed mode

Default mapping for the uimodekey

(Mac desktop) Default mapping for the uimodekey

(Mac laptop) Default mapping for the uimodekey

Exit emulator / Cancel current UI option

Coin slot 1

Coin slot 2

Coin slot 3

Coin slot 4

Bill 1 (for machines that have a bill receptor / note reader)

Tilt

Volume down

Volume up

Memory reset

Service mode

Service 1

Service 2

Service 3

Service 4

Coin slot 1

Coin slot 2

Coin slot 3

Coin slot 4

Player 1 start or 1 player mode

Player 2 start or 2 player mode

Player 3 start or 3 player mode

Player 4 start or 4 player mode

Movement

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

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

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

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

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

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

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

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

Player 1 Button 1

Player 1 Button 2

Player 1 Button 3

Player 1 Button 4

Player 1 Button 5

Player 1 Button 6

Player 1 Button 7

Player 1 Button 8

Player 1 Button 9

Player 1 Button 10

Player 1 Button 11

Player 1 Button 12

Player 1 Button 13