For infinate lives in this game, use the DOS utility DEBUG.
 First backup your game to be edited, then type the following
 from the dos prompt:

 For [CGA] game: ren e:\cga.ovr cheater.cht
 debug e:\cheater.cht
 For infinate lives, type: e 2abe 90 90
 For infinate bombs, type: e 2083 90 90 90 90
 w
 q

 For [EGA] game: ren e:\ega.ovr cheater.cht
 debug e:\cheater.cht
 For infinate lives, type: e 2f39 90 90
 For infinate bombs, type: e 24a2 90 90 90 90
 w
 q

 For [TGA] game: ren e:\tga.ovr cheater.cht
 debug e:\cheater.cht
 For infinate lives, type: e 2e2b 90 90
 for infinate bombs, type: e 2281 90 90 90 90
 w
 q

 Then rename CHEATER.CHT back to its previous name.