Super Mario 63/Controls

Button Function
Jumps.
or Moves.
Crouches.
Z Used to read signs and talk to people.
X Performs a spin attack.
C or Space Uses the F.L.U.D.D you have equipped. It's also used to launch Mario from cannons.
P Pauses the game. While paused, you can look at the Star Map, switch your F.L.U.D.D, and change the options.
⇧ Shift Quickly switches through your F.L.U.D.D nozzles.
- Zooms the camera outwards.
+ Zooms the camera inwards.
Double-tap or Moves left and right much faster.
then + or Does a backflip. The Left/Right Arrow you press is opposite of where Mario is facing.
×2 Performs a double jump. It is slightly higher than a regular jump.
×3 Performs a triple jump. It is higher than both a regular jump and a double jump.
in midair Dives forward. Initiates flight if Mario is wearing the Wing Cap.
Z in midair Performs a stomp. Can be used to destroy crates and defeat enemies.
X in midair Glides. Useful for making long jumps without the assistance of F.L.U.D.D.