© Robin Burton 1990
Hardware Expansion Project © Andrew Smith 1990
Master 512 circuit diagram © Acorn Computers Ltd. 1984-1990
First edition, first printing September 1990
Editors: Syd Day, Bruce Smith, David Atherton
Typesetting and proofreading: L. Atherton, J. Horrocks, A. Wygladala
Cover Design: Atherton-Clare Designs (0204 654207)
The publishers wish to acknowledge with gratitude the assistance provided by Acorn Computers Ltd. in the preparation of this book, without whom publication would have been impossible, and for allowing the publication of the Master 512 circuit diagram. The publishers wish also to thank Richard Russell for allowing his BBCBASIC(86) program to be included on the programs disc.
MS-DOS is a registered trademark of Microsoft Corporation. IBM is a registered trademark of International Business Machines Inc. DOS Plus, CP/M80, CP/M86, Concurrent CP/M, and GEM are trademarks and registered trademarks of Digital Research Inc. The letters BBC refer to the British Broadcasting Corporation. All other trademarks and registered trademarks referred to in this book are hereby acknowledged as the property of their respective owners.
All rights reserved. No part of this book (except for brief excerpts quoted for critical purposes) or any of the computer programs or electronic circuits to which it relates may be reproduced or translated in any form, by any means mechanical electronic or otherwise, without the prior written consent of the copyright holder.
Disclaimer: Because neither the author nor the publisher have any control over the way in which the contents of this book or optional programs disc are used, no warranty is given or should be inferred as to the suitability of the advice or programs for any given application. No liability can be accepted for any consequential loss or damage howsoever caused, arising as a result of using the programs, electronic designs or advice printed in this book.
Published by Dabs Press, PO Box 48, Prestwich, Manchester M25 7HF. Telephone 061-773 8632. Fax 061-773 8290.
Typeset in 10/11 point Palatino by Dabs Press using an Apple Macintosh desktop publishing system. Author's text prepared on a Master 512 system using PC-Write version 3.0.
Printed and bound in the UK by BPCC Wheaton, Exeter, Devon EX2 8RP.