Toggle in-game quick help screen

Save state

Load state

Select save state slot

Decrement selected save state slot

Increment selected save state slot

Toggle 600-frame save-state rewinding functionality, disabled by default

Record movie

Play movie

Select movie slot

Toggle cheat console

Toggle cheats active

Enable network play console input

Toggle debugger

Fast-forward

Slow-forward

Enter frame advance mode, or advance the frame if already in it

Exit frame advance mode

Pause/Unpause

Toggle frames-per-second display(from top to bottom, the display format is: virtual, rendered, blitted)

Rewind emulation, if save-state rewinding functionality is enabled, up to 600 frames

Save (rawish) screen snapshot

Save screen snapshot, taken after all scaling and special filters/shaders are applied

Rotate the screen

Toggle fullscreen mode

Toggle layer

Detect analog buttons on physical joysticks/gamepads(for use with the input configuration process)

… to 8: Configure buttons for emulated device on input port 1-8)

… to 8: Select input device on input port 1-8

Activate in-game input configuration process for a command key

Like F2, but after configuration completes, to activate the configured command key will require all buttons configured to it to be in a pressed state simultaneously to trigger the action. Note that keyboard modifier keys(CTRL, ALT, SHIFT) are still treated as modifiers and not discrete keys. Especially useful in conjunction with the ckdelay setting

Reinitialize physical joysticks/gamepads. Note that this will also cause Mednafen to forget about any analog buttons detected by previously pressing F3

Toggle input grabbing (for emulated mice and keyboards)

Select drive

Select medium (CD, floppy disk, etc.) for selected drive

Insert/Eject medium (CD, floppy disk, etc.) for selected drive

Reset

Hard reset (toggle power switch)

Exit (from the emulator, or netplay chat mode)