(* This game was written between Tuesday 14th and Monday 20th of July 1992. It is loosely based on a game written the year before by Jonathon Moore of Alfred McAlpine's Penrhyn Quarry, Bethesda. My game was written for an open day in the Quarry, for the little sprogs to play on, and is meant to be broadly educational. However it just turned into a straight off arcade game. I got payed �50 for it! I'm pleased with the way the sheep move. My previous Turbo Invaders was very shakey. This is better because only a small area of the screen is animated. The clink on the 3rd level is good, as the the movement of the