If It Moves, Shoot It

HexCheat:
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This cheat will give you unlimited ships in the game.
CGA
Make sure “CGASHOOT.EXE” is in your current sub-directory, then
type From The DOS Prompt:
ren cgashoot.exe cheat.txt
debug cheat.txt
e 6da e9 10 1
w q
ren cheat.txt cgashoot.exe
EGA
Make sure “EGASHOOT.EXE” is in your current sub-directory, then
type From The DOS Prompt:
ren egashoot.exe cheat.txt
debug cheat.txt
e 70b eb 7
w q
ren cheat.txt egashoot.exe