Assembler
Write machine language programs.
As you zoom through space, a number of galaxies are encountered. You must accurately report the number of stars in each before it disappears in order to succeed. 2K.
You are pursued by four ghosts in a maze chase. Score by eating stars and dollar signs. 16K.
Machine code version of space invaders with on screen scoring, bonus mothership, etc. 4K.
Battle as many as 200 highly mobile Zylons with your powerful starship, the Sinclair. Full screen display (24 lines) with scrolling. 8 commands including 360 degree navigation, probe, and torpedoes. Display shows quadrant, status, and galactic map. 16K