Cheat mode:
Complete the first action segment, then move the pointer to the "Shield" box in the to left corner of "The Armoury" screen. Hold [Keypad Plus] and press Fire. Instant shield to max confirms correct code entry. Refill energy to all the weapons. Shields can still be depleted when hit, but the ship will be indestructible when they reach 000. 
Your credit and fuel will be 2000 with cheat activated.
Additionally, press one of the following keys during game play to activate the corresponding cheat function.

Effect 			Key
Restore energy		[F1] 
Skip action sequences	[F2] - in space only
Select various weapons	2 to 9
Select more weapons	0, [Minus], [Equals] or [Plus]
Remove extra weapon	1

