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f l commodore COMPUTING January 1983 £i.aa infcepnational USA $ 2 .5 0 BUSINESS TRAINING COURSE MICRO-SIMPLEX REVIEWED CROSS REFERENCE INTERFACING LIGHT PEN VIC Two sets of Fabulous Utilities in one! LIG H T PEN PROGRAMMERS TOOLKIT Gives extra commands: Auto, Number, Help, Delete, Change, D A M S P R IC E V * c k Trace, Step, Light Pen, Break etc. and ONLY MACHINE CODE MONITOR Gives Save, Memory Display, Load, Verify etc. S im ila rto T IM on PET. £17.35 + VAT Examine the VICS ROM Needs DAMS RAM/ROM board or similar FOR PET £19.95 + VAT 12" SCREEN £19.95 + VAT VICMON RAM ’N ROM THE ULTIMATE BOARD PROGRAMING AID FOR THE VIC 3K RAM In Hires area. T Also space for Full machine code VICAID and package with: j VICMON Assembler, Dissassembler, programming aids. Fill, Re-locate, Identify, Exchange, Compare, Printing, Dissassembler etc., etc. Needs DAMS RAM/ROM board or similar £22.95 +VAT £19.95 + VAT (Includes Cover) BUY THE 3K RAM N ROM BOARD WITH VICAID AND VICMON WITH MACHINE CODE MANUAL (WORTH £5.00) FROM MOS TECHNOLOGY FOR ONLY £ 6 7 .8 5 + VAT AND GET A F R E E VIC LIGHT PEN (WORTH £17.35) VIC REFERENCE GUIDE R.R.P. £14.95 D A M S P R IC E £ 1 4 .5 0 IEW VIC STARTER KIT (lTHi VIC 20 C2N Cassette Deck, 10 Blank Cassettes, User Manual, Vic Programmers Reference Guide, ANTIGLARE 1 Joystick. SCREENS FOR PET Worth £238.30 ONLY 0 + m A A 1Z 1H .U U +VAT 40 Column (VAT INCL. PRICE = £244.62) £17.95 80 Column OR VIC 20 With free 3K RAM pack or £19.95 SuperCartridgeGameONLYj^^j ^ ^ 03 ALL PRICES PLUS VAT VDU VIEW THRU + VAT ■ ■ ■ ACCESS & DAMS BUSINESS COMPUTERS LTD. VKA BARCLAYCARD Gores Road, Kirkby Industrial Estate, Kirkby, Liverpool L33 7UA. WELCOME Telephone: 051-548 7111 (20 lines) c* commodore COMPUTING January 1983 international CONTENTS 5 ...........................................................NEW PRODUCTS — The latest in hard and software 1 0 ...........................................................EDUCATIONAL REPORT - APL and the SuperPet 1 2 ...........................................................MICROS IN BUSINESS — The merits o f the Commodore 64 1 6 ...........................................................INTRODUCTION TO MICROS - First o f a six-part series 2 0 ...........................................................SOFTWARE REVIEW — The Micro-Simplex, a system designed for ac­ countants 2 2 ....................................................... HARDWARE REVIEW — A package that allows two Pets to communicate 2 3 ....................................................... NEWS — Programs for learning 2 4 ....................................................... BOOK REVIEW — CBM Professional Computer Guide 2 6 ...........................................................BEGINNERS GUIDE — A utility called the String Thing 3 0 ...........................................................PROGRAMMING TIPS — Finding industrial uses for the micro-computer 3 6 ...........................................................INTERFACING — Attaching a light pen to the Pet 3 8 ...........................................................SOUND & VISION — Musical Vies and graphical Pets 4 0 ........................................................... BASIC PROGRAMMING - Tiny-Aid For Vic 20 4 5 ........................................................... DISC UTILITIES 5 0 ...........................................................SCREEN DATA 5 4 ...........................................................MACHINE CODE PROGRAMMING — Jim Butterfield devises a cross reference Editor It can be confidently expected that 1 983 will see a considerable Nick Hampshire: tel 01 -636 6351 increase in the world-wide market for micro-computer systems. Technical Editor With the expansion of the family of micro-computer systems of­ Pete Gerrard fered by Commodore from three to eight in the near future, the Production Editor Ron Scott company is poised to increase its current 1 2 per cent of the world Programmer market. Richard Franklin Before Christmas Commodore announced the sale of the Staff Writer millionth Vic 20 colour computer. Since the American company Martin Bush launched the machine last year, US sales have reached an Advertising Manager estimated 800,000. The sales figure for Europe is close on Peter Chandler: tel 01-636 6408 200,000, with the United Kingdom accounting for half the total. Typesetting by The development of a wide range of software, including games Centrepoint Typesetters Ltd, London and educational programmes, is certainly paying dividends. Printed by Spottiswood & Ballantyne, Essex, England. With Commodore expanding we are looking forward to increas­ ing the readership of this magazine. The February issue of Com­ Commodore Computing International modore Computing will therefore be on sale at newsagents is published 12 times a year by Nick Hampshire Publications. It is across the country. To assist this expansion there have been not in any way connected with some changes in the magazine's staff. The editor is now Nick Commodore Business Machines Hampshire and Pete Gerrard is technical editor. In addition there U.K. Ltd. are three new members of staff — Ron Scott is production editor, If you would like to contribute articles Richard Franklin is staff programmer and Martin Bush staff writer. or programs, please send them to: We hope that all our readers will approve of the improvements we Commodore Computing International, 167-169 Great Portland Street, will be making to the magazine in the coming months. London W1. Tel: 01-636 6354. Commodore Computing COMMODORE COMPUTING BACK NUMBERS April/M ay: Forth for the Pet June : Connecting a disk and Vic : The Manager drive to an Old Rom Pet: reviewed: Butterfield: The 8 010 m odem F ' S i S - Additional I/O Interface: revealed: programmable Search Procedures: Alpha characters on the V ic: HighJ i Sorts. Speed stepper motor for the Pet: Load and Save explored : Fourier Analysis I Tinymon, a machine code monitor for the Vic. August: Vic educational July: C om al: Petspeed software: Butterfield on reviewed : Butterfield : More compilers: Glass Teletype on modems and stepper machine code listing: motors : Pet Talker: Another Dump Mate, a multi linking Vic voice: Quarter square Pet and/or Vic system : CB2 p lo tting : Fourier Analysis interface: graphics part tw o: machine d ra w in g : Sound Synthesis language auto location. Input and Output from the J User Port: How to use a SYS call with parameters. O cto b e r: DMS for the Pet: September: old Rom DOS Support Microcomputers in p ro g ra m : Upgrade roms Business: Microfacts 82 for old 8K Pets : More on - review ed: Cursor Handling Instrument Synthesis: Routines: Instrument Sorting d a te s : Cursor Synthesis: 8032 control positioning: True characters : Linking Pets up assignments for Vic to a teletype: Getting to function keys: An I grips with M achine Code. adaptation of Supermon, q powerful extension to the monitor, for the Vic. November: An interview D ecem ber: Three word with Jim Butterfield : More processors com pared: m usic: high resolution computers in the optical p lo ttin g : writing user industry: a first look at friendly program s: security machine code: graphics chip storage; Getting and plotting routines : full neater printouts: Animation Com m odore 64 memory on the Pet, plus a couple of m aps: autoloading of hints from Butterfield. program s: packed with program listings. Every issue has much more than what we've detailed above. In each issue you'll find plenty of program listings, in Basic and machine code, for all the Commodore family of machines, as well as in-depth articles, news ancJreviews. Why not buy now and see what you've been missing? Each back issue costs £1.00, including post and packing. Just send your cheque or postal order to:— Back Issues, Commodore Computing International, 167-169 Great Portland Street, London W1 or telephone 01-636 6354 Commodore Computing NEW PRODUCTS Micro vision system Star gazing This is one of those ideas that makes you wonder The Constellation is the latest in the growing bat­ why no-one has ever done it before. Technical tle for control of the local area network (LAN) problems perhaps, but Digithurst in Royston have market, this one being from Keen Computers. solved them all and now present a vision system Claiming to have already sold over 1,000 for the Pet (amongst other micros). systems, the Constellation allows up to 64 micros Coming in two versions (Microsight 1 and 2: of varying pedigrees to share data and programs, the first one's cheap and the second one is very printers and up to 72 megabyte of hard disk. fast), the system uses a standard CCTV camera A considerable saving in an always cost- to capture images and an interface to process this conscious market. and send it back to the micro as 8 bit digitised Area: Local Area Networks video. Company: Keen Computers The software package handles data transfer Tel. No. 0 1 -2 3 6 0 0 2 6 /7 Contact: Max Hotopf from the 'Micro Eye' interface to the Pet, and controls the camera. It also looks after disk storage and retrieval, as well as the display of im­ ages on a high resolution screen. More Super soft and hardware High resolution screen? Well, Digithurst have taken care of that by making available a high One of, if not the, first add-on chip for the Pet was resolution board for £150, which gives you an the Toolkit, often impersonated in recent years. image resolution of 128 x 128. No doubt so­ This added a number of commands to the existing meone will produce a higher resolution to take ad­ Pet Basic, and became very successful in terms of vantage of the technology available. sales. I think you can see the potential of the system. Supersoft have long had a reputation for being Given a really high resolution, text recognition suppliers of chips for one purpose or another, and becomes possible, and if linked to a word pro­ they have just taken over from Zynar Limited as cessor w e'll be able to transcribe War and Peace UK distributors of the original Toolkit. to disk within seconds! Versions of the Toolkit are available for all the Prices are not cheap: system 1 is £495, and Pet range of micros, and costs start at just 29.00 system 2 is £ 1 ,9 0 0 , but the advantages are pounds plus VAT.
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