Issue 16 - Mind Games Main Contents Sinclairvoyance

SU 17 Cover

Issue 17
August 1983

Nigel Clark
Brian King
Consultant editor
Mike Johnston
Production editor
Harold Mayes MBE
Staff writer
John Gilbert
Program reviewer
Rebecca Ferguson
Editorial director
John Sterlicchi
Advertisement manager
John Ross
Sales executive
Annette Burrows
Editorial assistant
Margaret Hawkins
Production assistant
Dezi Epaminondou
Managing director
Terry Cartwright
Richard Hease

Sinclair User is published monthly by ECC Publications Ltd.

  • SINCLAIRVOYANCE The days of amateurism are over and soon the costs of entering the Sinclair market could mean that the days of the small company are numbered.

  • SINCLAIR USER CLUB With the cessation of the National ZX Users' Club, we make a special offer to former members to allow them to continue to take advantage of club facilities.

  • NEWS Clive becomes a knight; Timex announces its plans for its new computers; and much more.

  • LETTERS Tips on programming, comments on articles, and views on software.

  • HARDWARE WORLD We expand our add-on reviews this month to take account of the increasing number of ways you can improve your machine.

  • SOFTWARE SCENE Another three pages of cassettes for the Spectrum and ZX-81.

  • CAMBRIDGE AWARD Your chance to become the first holder of the Cambridge Programming Award.

  • SPECTRUM EXPANSION Cover story. Stephen Adams reviews the alternatives to upgrading your 16K Spectrum to 48K.

  • DISASSEMBLERS John Gilbert follows his article on assemblers by assessing their companions, the disassemblers.

  • PROGRAM PRINTOUT Fourteen pages of listings for the Spectrum and ZX-81.

  • USER OF THE MONTH Our popular feature is about a businessman and his wife who have found the ZX-81 to be a great help in their company.

  • PROGRAMMING Nick Goldman and Jerry Seabridge show how two programs can be merged on the ZX-81.

  • BOOKS John Gilbert reads more from the growing Sinclair bookshelf.

  • STARTING FROM SCRATCH Our regular article for those who have just been converted to the wonders of Sinclair computers.

  • SINCLAIR SIMON Simon and the knighthood.

  • HELPLINE Andrew Hewson turns his attention to machine code programming.

  • MIND GAMES In a special three-page article, Quentin Heath makes a last journey to Middle Earth and answers many of the queries about The Hobbit.


Continuing our series of articles on programming, we give some hints on how to write your own chess program and we speak to Bill Matthews, the man who holds the purse strings at Sinclair Research.

If you would like to contribute to any of the Sinclair User group of publications please send programs, articles or ideas for hardware projects to:
Sinclair User and Programs
ECC Publications,

Programs should be on cassette and articles should be typed. We cannot undertake to return them unless a stamped-addressed envelope is included.
We pay £10 for each program published and £50 per 1,000 words for each article used.

© Copyright 1983
Sinclair User
ISSN No. 0262-5458

Printed and typeset by
Cradley Print PLC.
Distributed by
Spotlight Magazine Distribution Ltd.

Cover photograph
Colin Packam
Cover illustration
Brian King

Issue 16 - Mind Games Main Contents Sinclairvoyance