The fate of the Earth lies in your hands -can you thwart the Zygontian Invasion? On Amstrad by D.L.Lau There are three phases to this game. First you must shoot down the Aliens as they swoop towards your space craft. After this you must face the Command ship.
Finally, in Phase Three you dock with your Mothership - and then are transported to another part of the planet to blast the final wave. Good luck! Program Notes Line No - 10-180 Initialisation
- 190-210 Print Screen
- 220-410 Main Loop
- 420-490 Subroutine for moving alien right
- 500-670 Subroutine for moving alien left
- 580-620 Subroutine for moving base left
- 630-870 Subroutine for moving baseright
- 680-810 Subroutine for collision
- 820-860 Print and check base's bullet
- 870-890 Check shot alien
- 900-810 Crash into alien
- 920-960 Check and print X sign
- 970-1420 Instructions
- 1440-1670 Routine for Phase 2
- 1680-2080 Routine for Phase 3
Popular Computing Weekly | 
