English
YOUR LETTERS: Chess strategy , ZX-81 quirk; Atom cassettes. NEWS: Tomorrow's World software experiment; Commodore's ZX-81 trade-in; future of bio-chips COMPUTER CLUB: Gore visits the Tangerine Users' Group in Bournemouth and talks to its under Bob Green, CUBE MASTER: Simon Lane presents his program for solving the Rubik's Cube on the ZX-81. ZX SOFTWARE : Eric Deeson tests another batch of ZX-81 cassettes and finds that the quality has improved since the last survey. BBC GRAPHICS: Make the most of the graphics facilities on the BBC Microcomputer with these routines by Jeremy Ruston. CHESS: John White explains how to write a program to cope with book openings in chess. GAME: Dominoes — a game (or the Pet by David Smith. ATOM PROGRAMMING: Boris Allan works through his plan to write an unbeatable noughts and crosses program for the Acorn Atom. VIC-20 MUSIC : Nick Hampshire presents six music and sound programs for the Vic-20. ZX-81 ANIMATED GRAPHICS : Writing ZX-81 programs involving moving graphics is a task which can be eased by using these machine-code subroutines, by John Watson. COMPUTER CONTROL: John Dawson continues his series with a look at how microcomputers can be used to con
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