I Speak BASIC to my Atari.pdf

I Speak BASIC

to My

Aubrey B. Jones, Jr.

[IJ

HAYDEN BOOK COMPANY, INC.

Rochelle Park, New Jersey

Atari®

To Alyce, Aubrey III , and Adrienne

Acquisitions Editor: GARY MARKMAN

Production Editor: RONNIE GROFF

Production Assistant: LORI WILLIAMS

Art Director: JIM BERNARD

Compositor: VAN GROUW COMPOSITION CO., INC.

Printed and bound by: THE MURRAY PRINTING COMPANY

Atari is a trademark of Atari , Inc., and is not affiliated with Hayden Book Co., Inc.

part of this book may be reprinted, or reproduced, or utilized in any form or by

any electronic, mechanical, or other means, now known or hereafter invented ,

including photocopying and recording, or in any information storage and retrieval

system, without permission in writing from the Publisher.

Printed in the United States of America

2 345 6 7 8 9

PRINTING

83 84 85 86 87 88 89 90 91

YEAR

Contents

Part 1

The Hardware (Or The "Boxes") ............... .. ...... 1

Objectives; Typical Data Processing Operation; Basic

Parts of a Computer; Summary; Practice 1

The Software ("The Program") . ..... . . . . . . . . .. 17

Objectives; How Humans Talk to Computers; A BASIC

Program; Atari Keyboards; Atari Power-Up Rules;

Summary; Practice 2

Your First Computer Program ... . .. . . ......... . . .

Objectives; Writing Your First Computer Program , Ex-

ecuting Your Program; Expanding Your Program ; List-

ing Your Program ; Ending Your Program; Summary;

Practices 3, 4, 5

Part 2

Part 3

Part 4

More Programming Tools . . .. ... . .. . ... .............. 58

Objectives; Mathematical Operations; Programming

Mathematical Operations; A BASIC Mathematical Pro-

gram-Area of a Rectangle; Print Zones; Practices 6, 7

Scientific Notation ........ . . . ....... ... . . .. .. . . .... . 79

Objectives: Scientific Notation: Review and Feedback;

Practice 8

Relational Operators and IF-THEN/GOTO Statements .. 86

Objectives; Relational Operators; Using IF-THEN State-

ments (Conditional Branching); Using GOTO State-

ments (Unconditional Branching) ; Practices 9, 10

Input Statements . . . . . . ... . ....................

Part 5

Part 6

Part 7

Part 8

Objectives; Input Statements: Area of Rectangle Prob-

lem Revisited (Using Input Statements); String Vari-

ables; Practices 11 , 12 , 13

Using the Calculator Mode and Sizing Memory . . . . . . . . 112

Objectives; Bit vs . Byte; How Much Memory Is Used in

BASIC Programs: Summary; Practice 14

Using the Cassette Recorder and the Disk Drive ...... 121

Objectives; The Cassette Recorder and the Disk Drive

as Input/Output Devices; Practices 15, 16, 17

Using FOR-NEXT-STEP Statements ... . ........ . .... 130

Objectives: FOR-NEXT Statements and Loops; Com-

parison of GOTO, IF-THEN, and FOR-NEXT Program

Loops; Loop Flowcharts; Timer Loops; Practices 18. 19

Reading Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 146

Objectives: READ-DATA Statements; Restore Func-

tion; Practice 20

Part 9

Part 10

Part 11

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