Adventures with the Atari

372 Pages·1984·86.298 MB·English

by  Jack B Hardy

Adventures
with the Atari

Adventures
W"ith the Atari
Jack B. Hardy
A Reston Computer Group Book
Reston Publishing Company, Inc.
A Prentice-Hall Company
Reston, Virginia
Library of Congress Cataloging in Publication Data
Hardy. Jack B.
Adventures with the Atari.
1. Computer games. 2. Atari computer-Programming.
1. Title.
GV1469.2.H36 1984 001.64'2 83-11201
ISBN 0-8359-0172-6
© 1984 by Reston Publishing Company, Inc.
A Prentice-Hall Company
Reston, Virginia 22090
All rights reserved. No part of this book may be reproduced
in any way, or by any means, without permission in writing
from the publishers.
10 9 8 7 6 5 4 3 2
Printed in the United States of America
Illustrations by Bruce Bolinger
Acknow ledgment s
To
My wife, Karen, without whose assistance and support this
book would never have been written
My sons, Aaron and Jason, who helped devise some of the
plots and play test the adventures
Dave Simpson, for introducing me to fantasy role-playing
games
Frank Gazda, for sharing his knowledge of the Atari computer
Evalyn Schoppet. for her help in all phases of production
My friends Joe, Greg, Bill and Bob, who tolerated me during
this venture.

Contents
PART 1 The Making of an Adventure 1
PART 2 Interactive Adventures 7
An Adventure in Atari PILOT:
Blackbeard's Treasure 11
An Adventure in Atari Microsoft BASIC:
Halls of Death 37
An Adventure in Atari BASIC:
Mad Bomber 7S
PART 3 Graphic Adventures 95
A Graphic Adventure in Atari PILOT:
Escape 97
A Graphic Adventure in Atari Microsoft BASIC:
The Hunter 149
A Graphic Adventure in Atari BASIC:
Time Crime 173
PART 4 Creating Your Own Computer Adventure 197 '
The Creator 201
Interpreter 219
vii
viii CONTENTS
APPENDIX A Program Listings 239
Blackbeard's Treasure 241
Halls of Death 251
Mad Bomber 267
Escape 275
The Hunter 305
Time Crime 313
The Creator 323
Interpreter 329
APPENDIX B Useful Information 337
Character Set Manipulation 339
Functions of PEEK and POKE 341
Atari Hue Numbers and Colors 349
Keyboard Internal Codes-PEEK (764) 351
Character Set Values 353