Super Mario 64/Codes

Jumping

 * Press A to jump.
 * Hold Z to crouch, and then press A to do a back flip.
 * Press A to Jump, then A again as you land to perform a double jump.
 * While running, perform a Double Jump, and press A once more at the end of your jump to perform a Triple Jump. This jump is needed in order to become airborne with the Wing Cap.
 * While performing a running jump towards a flat object, such as a wall, press A as you hit the wall to perform a Wall Bounce.

99 Lives from Yoshi
Once you have 120 Power Stars, the cannon outside the castle will be open. Launch yourself to the top right side of the castle, and run around the back, and you'll find Yoshi. He'll give you 99 lives before jumping off into the waterfall.