Quantity Digits to Accompany Powerups Modifier Codes
00 - Nothing
01 - ?
02 - Power Shield
03 - Energy Balancer
04 - Exit
05 - ?
06 - ?
07 - Shooting Part
08 - Spare Extra
09 - ?
0A - ?
0B - Laser Shot
0C - Arrow Shot
0D - Auto Shooot

Note 1:
With this code, it will shoot multiple times per shot, but it doesnt like some weapons.