D586-6F26
Super jump

DB86-6F26
Mega jump

D886-6F26
Ultra mega jump

82CB-0D2F
Infinite special weapons (once you have them).  Only
works if you don't power-up the special weapons.

82CB-0D2F + 82CA-0F2F
Infinite special weapons (once you have them).  Works
even if you power-up the special weapons.