The Acorn Atom Special Features Include * FULL SIZED $780 KEYBOARD Incl

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Unique in concept—the home computer that grows as you do! The Acorn Atom Special features include * FULL SIZED $780 KEYBOARD incl. Sales Tax, Packaging and Postage * ASSEMBLER HOBBY! OFFICE! AND BASIC -1 INCLUDES" EDUCATIONAL! FREE • In the Home * TOP QUALITY 122 PAGE • In the School MOULDED CASE BASIC MANUA • In the Business * HIGH RESOLUTION COLOUR GRAPHICS* ACORN * optional OMPUTER The Acorn Atom is a definitive personal description of the ATOM's facilities and how The ATOM modular concept computer, simple to operate. A powerful, full to use them. Both sections are fully illustrated The ATOM has been designed to grow facility computer with all the features you with example programs. with you. would expect. As you build confidence and knowledge Just connect the assembled computer to any The standard ATOM includes: you can add more components. For instance domestic TV and power source and you are HARDWARE the next stage might be to increase the ready to begin. (Power requirement: * Full-sized QWERTY keyboard * 6502 ROM and RAM on the basic ATOM from 8V at 800mA). Microprocessor * Rugged injection-moulded 8K + 4K to 12K + 12K respectively. There is an ATOM case * 4K RAM * 8K HYPER-ROM The 12K + 12K ATOM will give you a direct power unit available *Audio cassette interface*VHF TV output* printer drive, floating point mathematics, — see the coupon scientific and trigonometric functions, high below. SOFTWARE resolution graphics. * 32-bit arithmetic (±2,O00,000,000) From there you can expand indefinitely. * High speed execution * 43 standard/ Acorn have produced an enormous range of extended BASIC commands * Variable length compatible PCB's which can be added to your FREE MANUAL strings (up to 256 characters) * String original computer. For instance: Free with every ATOM, is a computer manual manipulation functions * 27 x 32 bit integer * A module to give red, green and blue colour The first section explains and teaches you variables * 27 additional arrays signals * Teletext VDU card (for prestel and BASIC, the language that most personal * Random number function * PUT and GET Ceefax information) * An in-board connector computers and the ATOM operate in. byte * WAIT command for timing * for a communications loop interface — any The instructions are simple and learning * DO-UNTIL construction * Logical number of ATOMs may be linked to each other quickly becomes a pleasure. You'll soon be operators (AND, OR, EX-OR) * Link to — or to a master system with mass storage/ writing you own programs. The second machine — code routines * PLOT hard copy facility * Floppy disk controller section is a reference manual giving a full commands, DRAW and MOVE * card. For details of these and other additions write to the address below. Your ACORN ATOM may qualify as a business expense. To order complete the coupon below and post. Sinclair Equipment and Acorn Computers are a division of Consolidated Marketing (Imports) Pty. Ltd. All components are guaranteed with full service/repair facility available. I Please send me the following items: ORDER FORM: , SINCLAIR EQUIPMENT (AUSTRALASIA) PTY. LTD. [Item,.„._ price —,„;.,„ Inc i Quantity Item ' TOTALS Show room: 308 High Street, Kew 3101, Victoria. Telephone: 861 6224. I Sales Tax ATOM ASSEMBLED-8K ROM -4- 4K RAM (MIN) $780 Jame ATOM ASSEMBLED-12K ROM -4.- 12K RAM (MAX) $1380 1K RAM SETS $28 Address 4K FLOATING POINT ROM (inc. in 12K Version) $116 PRINTER DRIVER 6522 VIA $46 (inc. in 12K version) LS244 Buffer $9 Postcode MAINS POWER SUPPLY (1.3 amps) $30 enclose cheque/Bankcard/Diners Club/Amex EXTERNAL BUS PART $45 TOTAL ELECTRONICS Australia, March, 1981 23 .

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Acorn User March 1983, Number Eight
ii[i: lorn hardware conversion Vinters: a layman's guide Micros and matlis Atom with BBC Basic Beeb sound the C mic ' mputers veri mes T^yT- jS Sb- ^- CONTENTS ACORN USER MARCH 1983, NUMBER EIGHT Editor 3 News 67 Atom analogue converter Tony Quinn 4 Caption competition Circuitry and software by Paul Beverley Editorial Assistant 71 BBC Basic board Milne 8 BBC update Kitty Barry Pickles provides a way round David Allen describes some Managing Editor some of its limitations Jane Fransella spin-offs from the TV series Competition Production 11 Chess: the big review 75 Simon Dally offers software for Peter Ansell John Vaux compares three programs TinaTeare solving his puzzler with a dedicated machine Marketing Manager 15 Beeb forum 79 Book reviews Paul Thompson Assembly language and Pascal Ian Birnbaum on programming Promotion Manager among this month's offerings Pal Bitton 19 Musical synthesis 83 Printers for beginners Publisher Jim McGregor and Alan Watt assess First part of this layman's guide Stanley Malcolm the Beeb's potential by George Hill Designers and Typesetters 27 DIYIightpen GMGraphics, Harrow Hill 89 Back issues and subscriptions Joe Telford shows you how in a Graphic Designer to get the ones you missed, and hardware session of Hints and Tips How Phil Kanssen those you don't want to miss in Great Britain 33 Lightpen OXO Printed 91 Letters by ET.Heron & Co. Ltd Software from Joe Telford Readers' queries and comments on Advertising Agents Lightpen multiple choice 39 everything from discs to EPROMs Computer Marketplace Ltd 41 BBC assembler 20 Orange Street 95 Official dealer list London WC2H 7ED Tony Shaw and John Ferguson Where to go for the upgrades 01-930 1612 addressing tackle indirect and support Distributed to News Trade the 45 Micros in primary schools by Magnum Distribulion Ltd.
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