For cheats in this game, use the DOS utility DEBUG. First
backup your game to be edited, then type the following from
the dos prompt:
ren sb.exe sb.cht
debug sb.cht < sbcht.bat
For Unlimited ships, type:
e 550 90 90 90 90
For Unlimited Smart Bombs, type:
e d00 90 90 90 90
For Unlimited Thrust, type:
e 12a8 90 90 90 90
e 2824 90 90 90 90
For Unlimited Ammo, type:
e 1384 90 90 90 90
e 2931 90 90 90 90
For Limited Shield Protection, type:
e 15c0 0
e 160f 0
For Invulnerability, type:
e 117d 3e
e 1762 3e
e 203e 3e
e 2536 3e
e 2633 3e
e 36bb 3e
w
q
Then rename SB.CHT back to SB.EXE
