Its almost 3am and I'm bored af. I'm too lazy to provide proof, so you can shit on me if you want.

Code:
Always Max Power-Up [BoxNinja]
042330B0 38600004
04812320 00000005
*Don't use with any of the other Power-Up codes

Disable Power-Ups [BoxNinja]
042330B0 60000000
*Don't use with any of the other Power-Up codes

Power-Up Cycler [BoxNinja]
042330B0 38600004
288F3602 00000010
A8000008 00000010
80000000 80812320
86010000 00000001
24812320 00000005
04812320 00000001
E0000000 80008000
*Hold (+) to cycle
*Don't use with any of the other Power-Up codes