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Accident Research: TRS-80 Picks up the Pieces

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Accident Research: TRS-80 Picks up the Pieces 0 su--rsx Personal .urte Canada 82.75/US 82.00/FF 8.80/FL 4.00/SFr 7.20/IR £1.041P BFr 87/SKr 011/liter13.55/DKr 21.00/NKr 13.70/Lire 3000/DM 5.50 July 1981 75p World EUROPE'S LEADING MICRO MAGAZINE I WAS PROCEEDING IN A NORTHERLY DIRECTION... Accident research: TRS-80 picks up the pieces. MicroCentre introduce High Resolution Graphics RJMEMCV processcontrol POPULATIN DSTRTUTION: 70 valve 1 1 Demographic Display Management information Control system display HIGH F'o 482 ..4..tical)K 7% '17,,ZOri, 3-D display with angled labels 3-D plots High -resolution display with alphanumerics Up to 16 colours can be displayed simultaneously, from a choice of 4069. Areas can be filled with colour, windows created, graphs plotted, etc-all under control of simple Basic, Fortran or Assembler functions. At the heart of any Cromemco graphics high resolution, to give an overall Model Z2H/GS Graphics System system is Cromemco's "SDI" board, the performance vastly more superior than The Z2H/GS is a special configuration of most versatile video interface in the conventional colour TVs or CRT the Z -2H Hard Disk computer which microcomputer industry today. The terminals. includes full graphics capability and soft- Cromemco SDI is designed to meet the ware. Yet at under £8,000 it's a fraction challenge of professional and industrial Graphics Software of the cost of comparable systems. It is environments where uncompromising Cromemco's graphics software package ideal for applications in medical performance, reliability, and continued provides an interface to Fortran IV, imaging, computer -aided instructioh, compatibility are essential. Ratfor, Macro Assembler, 16K Extended pattern recognition, and the television With its high point resolution, colour map Basic and 32K Structured Basic. It is industry. selection, dual page windowing written for ease of use and takes full function, automatic fill mode, and NTSC advantage of the RGB-13 monitor's The Z2H/GS includes a Z -80A or PAL broadcast compatibility, the most special graphics facilities. Thus it is processor, 64k of RAM memory, integral demanding requirements for a video efficient, flexible and extremely fast. 11 megabyte hard disk, RGB-13 colour interface can be met. The SDI provides a The package contains routines to monitor, 2 floppy disks, printer interface, choice of 4096 individual colours and up change the colour map, scale the RS -232 serial interface, and graphics to 754 by 482 point resolution. Its display area, draw dots, lines and software package. different modes of operation include bit circles, display text, and fill areas with or nybble mapped displays with varying colour. levels of resolution, and window effects Screen requiring as little as 12k data storage. addressing can be by RGB-13 Colour Monitor absolute or The Cromemco RGB-13 Cblour Monitorrelative co- has been speciarly designed for ordinates. optimum colour graphics performance when used with Cromemco's SDI video interface. It includes a fine -pitch 13" CRT with a high -precision electron gun, internal magnetic shielding, and implosion protection band. The monitor combines alphanumeric character The high-performance Z2H/GS colour graphics generation with colour graphics and system includes a Z -2H hard disk computer, RGB-13 colour monitor, and comprehensive graphics software package-all for under £8,000! Forp Cromemco...call the experts MicroCentre Complete Micro Systems Ltd., LEADING UK 30 Dundas Street DISTRIBUTORS Tel: 031-556 7354 Edinburgh EH3 6JN WHY MONKEY ARI9BIltiDpct In little over 18 months PCW's subscriptions Don't waste time and shoe leather. Just check have risen from 2700 copies to just over 6000 the coupon beneath (or use the subscription copies. Why? Because PERSONAL COMPUTER card wh ich has probably already fallen on your WORLD is by far the largest -selling micro - floor!), slip it into an envelope with your remit- computing publication in the UK (or Europe, tance and address it to Personal Computer for that matter) and local newsagents often run World, Subscriptions Dept, Freepost 7, London out. It isn't their fault. With the kind of growth W1E 4EZ. You don't even need to put a stamp in sales PCW is making it is almost impossible for on the envelope! them to judge exactly how many copies to order. SUBSCRIPTION ORDER FORM I would like to subscribe to Personal Computer World for one year (12 issues). Please start my subscription from the issue. O This is a new subscription 0 This is a renewal O UK:110.00. 0 Rest of the world: £17.00. O I enclose my cheque, made payable to Personal Computer World, for £ O Please invoice my company (UK only). Name Address Please use block capitals. For Office use only Please send this order form, with your remittance, to Personal Computer World, Subscriptions Dept, Freepost 7, London W1E 4EZ. No stamp is required. PCW .ANY TIME NOW IT WILL BE WORTH BUYING A HOME COMPUTER. You haven't seen a real home computer until and 16 foreground colours. And music in three you've seen the VIC 20 by Commodore. voices and three octaves, as well as language and But by August you'll get your chance. sound effects. Because that's when the first VIC 20's will be So don't think of buying a home computer arriving at your Commodore dealer. until then. Then you can take a good, long look at what Because it simply isn't worth it. makes VIC the best. Like the real typewriter keyboard with full graphics. And eight background 2 r'WOW . f6 poi* wh, ;low' 773 et.0 vow 41111b GRN 0, oPIP Po now 410! I L. 111.6. I ' ISO` c'11' loo." los"'41.1"- sotWNTIwo 111111b 47.7 Ie.' "lib 100,...41°P;1111:4:11114 00111001101114 COr INAr 771d e Commodore Home Computer Division, 818 Leigh Road Trading Estate, Slough, Berks. SL1 4BD. Telephone: Slough (0753) 74111. NS I)Volume 4 No 7 July 1981 NEWSPRINT: 78 BANKS' QQZILOG'S Z8 11.16iko1 WORD 50Guy Kewney's STATEMENT: 'FAMILY: PROCESSOR usual idiosyncratic Introducing Martin A look at an interes- BENCHTEST: Format - view of the news. Banks, with his own ting group of 80 on the Apple II. insight into the micro microprocessors. Q YANKEE world. 126PASCAL - 58DOODLES: Tom 1n2YOUNG " READERS Williams reports from " COMPUTER WRITE: More feed -back California. WORLD: Especially on our Pascal Benchmarks. for our younger 129 CALCULATOR readers. CORNER: Dick 59PCW SHOW: Pountain describes The latest news 104 PATTERNS: quicker Casio computa- of our own show. Alan Sutcliffe tion. continues his series. CTUK! NEWS: NEWCOMERS 61Yes, even more tinBACK ISSUES: 133START HERE: ComputerTowns have ak''' What you've Our quick intro for opened! missed. those new to micros. BOOKFARE: DIRECT COMMUNICA- 112Malcolm 134ACCESS: inclu- TIONS:62Your Peltu reviews structu- ding Packages, a bumper chance to have your anMULTI-USER red programming Transaction File, User say. 4"'BENCHTEST: books and the ZX81 Groups Index, Computer - Sue Eisenbach and manual. Towns, Diary Data and BENCHTEST: Chris Sadler test Network News. 6SAnother Japanese Acorn's Econet. newcomer, the Sharp 1442 PCW SUB SET: PC -3201. 07 SECRETS OF " More useful I6P M SYSTEMS machine -language sub- ANALYSIS: Lyn routines. stMICRO CHESS: Antill guides you "With our resident through the horrors 146LEISURE LINES: chess expert Kevin of implementation. Stretch your O'Connell. micro with J J Clessa. Qn CASE STUDY: PROGRAMS: 7OCOMPUTER Tom Ravensdale 147More listings GAMES: David uses his TRS-80 to from our mailbag. Levy turns East to investigate road look at shogi. accidents. 1c,,R BLUNDERS: '1' Our monthly 011ACOMPUTER UP THE "ANSWERS: 116SHARP END: confession. 74COMPETITION:Positively your Sheridan Williams and Mike Knight on how ockCHIP CHAT: last chance to win a his team answer your to deal with 'computer Europe's leading DAI computer. queries. people'. microgossip page. Founder Art Editor Assistant Subscription rates Published by reproduced in whole Sportscene or part without Angelo Zgorelec Shelley Gray Advertisement UK: £10.00 Publishers (PCW) written consent Manager Overseas: £17.00 Ltd, 14 Rathbone from the copyright Editor Production Patrick Dolan Place London holders David Tebbutt Address W1P 1DE, England. Manager Advertisement 14 Rathbone Tel: 01-631 1433 Printed by Riverside Dick Pountain Executives Place London Telex: 89 54139 Press, Whitstable Deputy Editor *1P 1DE BUNCH G London Distributed by Peter Rodwell Typesetter Margaret Burton Copyright notice Seymour Press Jacquie Hancock Personal Computer 334 Brixton Road Jane Hamnell Please note our World is published London SW9 Sub Editor new phone by Sportscene Tel: 01-733 4444 Jon Wall Advertisement Subscriptions number for all Publishers (PCW) Director manager Ltd. 1981 Felden Art Director Alexandra James departments: Productions. No Paul Carpenter Stephen England 01-631 1433 material may be ABC PCW 3 AMIMINIMMO1010411Mbum The word-processing printer * Letter quality for word-processing * 128 -character standard 'thimble' * 55 chars/sec - friction/tractor feed * Up to 5 copies; single -sheet option * Five models available, including RS232 or Centronics parallel interface versions Anacom 150 TEC Starwriter OKI Lineprinters 41114110=1111111111111111111111111111114 The low-cost daisywheel printer The reliable commercial printer " 25 cps letter -quality output High reliability Slimline lineprinters " 150 chars/sec, 136 columns/line * Standard 96 -character daisywheels * Print speeds from 125 to 300 lines/ * 9x9 matrix, upper and lower case * 136-column/15" print width min * Up to 15" paper width * Programmable forms handling * Full 132 columns * Full forms control * Centronics parallel interface standard * 12 program -selectable fonts * Centronics parallel or RS232 serial * RS -232 option * Built-in diagnostics, self -test features f799 £999 SL125/160, SL250/300 from £1799 TVI terminal. Pentland VI Automatic sheet feeders Full range of intelligent units .1111.1111111111011MMVIMISIIMIL from £450 * 24x 80 -character display rtoomm.0.800001.
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