Hexcheat:
 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