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 hkm.ncc cheat.txt
debug cheat.txt
For infinite lives, type:
e 37d8 90 90
For infinite health, type:
e 3b31 90 90
Then type:
w
q
ren cheat.txt hkm.ncc