EE63-1318 Start with all weapons and almost infinite ammo
DF62-1A38 Start with 1 life
D962-1A38 Start with 5 lives
DB62-1A38 Start with 9 lives
C2BE-4A4B Almost infinite ammo
C2A9-1627 Almost infinite energy
C22C-1B2D Invincible after getting hit
DDA9-1CB7 Don't flash after getting hit
74A9-1CB7 Don't flash as long after getting hit
EEA9-1CB7 Flash longer after getting hit
DE6D-C338 Start with very little energy on your first life 
6D6D-C338 Start with half energy on your first life 
A16D-C338 Start with about 3/4 energy on your first life 
DE3A-48B7 Start with very little energy after first life
6D3A-48B7 Start with half energy after first life
A13A-48B7 Start with about 3/4 energy after first life