Alright! I've got some really cool Cheats for you at Super Smash Bros. !
(Sum kool kodes)
Skip Directly to 1P Mode
800A4AD0 1111
Effect: You can do the first Attack. He is just standing. After your Attack, he will strike back. You could charge Samus' B Move at the Beginning, for example.
Enable Debug Menu
800A4AD0 0004
Effect: You will start in a Menu where you can pick characters. You can play as the Polygons, Giant DK, Metal Mario and even Master Hand. You can also play with unlockable Characters. After you've picked the Characters, press Start and choose the Stage. Some Stages aren't working (Boss, Bonus2, Bonus1), your game will freeze. Note: If Master Hand dies, the game will freeze. New, Small and Explain are Kirby Beta Levels and the How to play Level.
Edit your Wins/Loses
800A4AD0 0005
Effect: You can edit your wins now. Note: The emulation maybe stops with this code.
(Useless kool Stuff)
Graphic Test Mode
800A4AD0 0003
Effect: See for yourself.
Disconnect your Controller
800A4AD0 0000
Effect: Pretty useless.
Super Smash Bros. Logo
800A4AD0 0001
Effect: Start Screen
Most are found by me except Debug Menu.