BBC Micro, Electron and Atom Magazine
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w m BBC micro, Electron and Atom magazine SCHOOLS: computers and IT PRINTERS: picture dumps BBC: drawing procedures INTERRUPTS: system control GRAPHIC: CAD displays ATOM: cash forum is<^ .^: # THE GAP An example of superior technology, total reliability and outstanding performance, combine to produce the LVL 200K dual disk drive. A truly professional unit designed to fill the gap between the Acorn lOOK and 800K disk drives. Also available in a lOOK single drive format. Compatible with the BBC single drive unit Powered from your BBC model B computer Disks are interchangeable with those No chance of data corruption from on-board formatted on the BBC lOOK Drive power supply. 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TEL: 574 5271 (24 hours) OPEN 10am-8pm SIX DAYS A WEEK ACORN USER JUNE READER SERVICE CONTENTS ACORN USER JUNE 1983 NUMBER ELEVEN Special offer .< to readers Interrupts What they are and how to handle binders them, by Tony Shaw and on John Ferguson r.L News that affects YOU Beeb Forum Voice processor release, Three pages of the best ideas Granada TV micro show, around from Ian Birnbaum and Beeb terror show, micro floppy readers .1 ."•", THESE quality binders have News feature been specially commissioned Not 100 yards from Big Ben, Schools: 8 page pull-out is in for readers from a major British history the making Information technology: what it manufacturer. They are available means for computing in primary exclusively through Acorn User schools by Tricia Strong and at an introductory price of £3.95 .t.!.. Paul McGee which includes postage and £1100 competition packing. So, keep a year's worth of Two-part quiz begins with BBC *»•• • your favourite magazine in micro, disc drive and printer as first prize •J i prime condition, send for one Atom Forum of these maroon, simulated leather binders. Acorn User is Barry Pickles offers cash • • • printed in gold on the front and for readers' wrinkles, and with few of his own spine of each. Techniques kicks off a Make your cheque payable to Stan Froco kicks off a new series Addison-Wesley Publishers with sorting Ltd, and send it to BKT (Subscriptions), Douglas Road, .: ,—. Tonbridge, KentTN9 2TS. « i « Interfacing » Include your name and Paul Beverley tests out address or use the form on Hints and tips the AU interface box page 92. Allow four weeks for Would you believe a 50p network? delivery. With overseas orders, Read Joe Telford's ideas add £2 for Europe (total £5.95) and £5 for the rest of the world (total £8.95, airmail). Also turn to page 92 for details Reviews of other reader services - Graphics View or Wordwise? subscriptions, back issues, Drawing techniques and CAD by Two wordprocessors run photocopies and reprints. Jim McGregor and Alan Watt Paul Beverley's gauntlet How to submit articles: You are welcome lo send articles io the Editor ot Subscription Information: Send Acorn l/ser for publication. Acorn L/sercannotundertaketo return them unless a your cheque or postal order made stamped addressed envelope is enclosed. Articles should be typed or computer pavable to Addison- Wesley Publishers written with double line spacing. Black and white photographs or trans- Ltd lo: Acorn User, BKT (Subscription parencies are also appreciated. It submitting programs a cassette ordisc is vital. Services) Ltd, Douglas Road, Tonbridge, Payment is £50 per page or pro rata. Please indicate if you have submitted your Kent TN9 2TS. England, Tel.(G732) article elsewhere. Send articles, reviews and information to: The Editor, Acorn 351216 Telex: 95573 User, 53 Bedford Square, London WC1 B 3DZ. ACORN USER JUNE 2 JUNE content; NOTICEBOARD Micro books offer ***** *•** to subscribers i i Acorn User has arranged a special Reviews £1 discount with Addison-Westey Publishers on the following books. Three superb graphics packages Details of this offer (which applies under Mike Milne's scrutiny, to subscribers only) are contained from £10 to £35 in an insert to this Issue. D The BBC micro book • f * Basic, sound and graphics • * • * *•« *•» Jim McGregor and Alan Watt Printers Normally £7.95 Write your own graphics clumps Subscriber price £6.95 with George Hill's guidance D Assembly language program- Cover illustration ming on the BBC micro • * * by Stuart Hughes John Fergusonand AnthonyShaw « Normally £7.95 Subscriber price £6.95 Readers' letters Editor Tony Ouinn D Games BBC computers play Sound, radar, bugs. it's all here. Editorial Assistant Tim Hartnell,S M Gee and Mike James Plus new personal ad service- Free! Kitty Milne Normally £6.95 Managing Editor Subscriber price £5.95 Jane Fransella *H D Creating adventure programs u.. Production Peter Ansell on your BBC micro Reader services Tina Teare Ian Watt The value-for-money add-ons Marketing Manager Normally £6,95 Paul Thompson Subscriber price £5.95 to get the best from your mag Promotion Manager * 1 Pat Bitton i Publisher Stanley Malcolm Authors please note Dealer list Designers and Typesetters We've been inundated with articles GMGraphics, Harrow Hill for publicallon - many ot an ex- Whether you live in Devon, Munich Graphic Designer tremely high standard. Ittakestime or Wellington, we can tell you Phil Kanssen to read them, try listings out and where to go Printed in Great Britain edit them - which is the only way by t.T.Heron & Co. Ltd to maintain standards. Also please Advertising Agents remember that magazines work Coming soon in Acorn User: Marketplace Computer Ltd at least two months in advance. Electron: yet more exclusive 20 Orange Street So please bear with us if you London WC2H 7ED the scoops on way 01-930 1612 hear nothing for weeks (although all submissions are acknowledged). Teletext: the adaptor under Distributed to the News Trade scrutiny by Magnum Distribution Ltd. Thanks for your patience and 72-8 Fleet Street, apologies foranyfrustration caused. Printers: colour graphics dumps London EC4Y 1 HY Tel: 01-583 0961 ^nH Interfacing: add a second Telex: 893340 Magnum G- keyboard Published by Free personal ads Atom: sound revisited Addison-Wesley Publishers Ltd. 53 Bedford Square, STARTING from the next issue, we Reviews: EPROM programmer, London WC1 B 3DZ plan to run a free personal ad service. utility ROMs, games Telephone: 01-631 1636 It's individuals only, Telex: 881 1948 for no companies Birthday: Acorn User is ISSN: 20M 7002 7 please. See the form on page 89 if one-year old in July! ©Addison-Wesley you've got anything to unload. First Publishers Ltd 1983 come, first served, so get a move on! Annual subscription rates All rights reserved. No part of this publication may be reproduced without UK £15 prior written permission of the publisher. The publisher cannot accept any Europe £18 responsibility for claims or errors in articles, programs or advertisements Middle East £20 published. The opinions expressed on the pages of this magazine are The Americas and Africa £22 those of the authors and do not necessarily represent those of the of tt}e World Rest £24 publisher, Acorn Computers Ltd, or Acornsoft Ltd. Acorn, Acornsoft, and Ttiese prices are irictusive of post and \ the Acorn symbol are the registered trademarks of Acorn Computers Ltd packing (air mail overseas) for 1 ssues and Acornsoft Ltd, ACORN USER JUNE Technomatic Official BBC Dealer 01-4521500 01-4509764 01-4506597 Telex: 922800 BBC DISC SYSTEM BBC Disc Interface inc.