In the player history screen type DARKGOAT 
to enable cheat mode.

In the player history screen:


     Left-Shift Backspace    Add selected mission to history

     Left-Shift              Toggle outcome of selected mission

     Left-Shift 0            Access all missions


During gameplay:


     Left-Shift P            PCX image file to PSG\RESOURCE\ART\SCREENS

     Left-Shift M            Continuous stream of PCXs (will fill 
     up your hard disk!)

     Left-Shift 8            Jump to vicinity of target

     Left-Shift 9            Match velocity with target

     Left-Shift 0            Explode targeted ship

     Left-Shift I            Player invulnerable

     Left-Shift W            Force mission win