Help categorize the TRS-80 software archive

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

ADVENTURES!!! For TRS-80 and COLOR-80. These Adventures are written in BASIC, are full featured, fast action, full plotted adventures that take 30-50 hours to play. (Adventures are interactive fantasies. It's like reading a book except that you are the main character as you give the computer commands like 'Look in the Coffin' and 'Light the torch.') Adventures require 16K. They sell for $14.95 each. PYRAMID (by Rodger Olsen) This is our most challenging ADVENTURE. It is a treasure hunt in a pyramid full of problems. Exciting and tough! AARDVARK - 80 2352 S. Commerce, Walled Lake, MI 48088 (313) 669-3110

Pyramid. Explore the unknown passages of a forgotten Egyptian tomb in search of hidden treasure. You may be the adventurer who gains fabulous wealth. But be careful-you never know what's ahead! An exciting adventure! 26-1909 14.95

A very realistic and challenging solitaire card game. The program checks for illegal moves and improper entries. Has graphics and thorough instructions. Can be habit forming.<br>Price: $9.95

This program allows one to buy or short any number of contracts at any price and indicates margin call levels, break even price. Gives insight into pyramiding.<br>Price: $10.00

SoftSide September, 1979 VOL. I, NO. 12 inchyour BASIC software magazine' CONTENTS Treasure Dungeon - Tutorial David E. White 8 Hangman Russell Starkey 26 Pyramids Lewis E. Garrison 36 Immediate Mode Dean C. Westervelt 54 Engineer David Bohlke 58 TSE Market Basket Catalog TRS-80 Software Exchange 66 Correction TANK, July, 1979 SoftSide 32 STAFF Publisher Roger W. Robbins, Sr. Editor George Blum Copy Editor Florida Day Software Editor Jack Moore Advertising/Business Manager Elizabeth Robbins Marketing Manager Joseph A. Brown Art/Production Manager Sharon Demmaris Layout/Composition Brice Scelotti Leon Miller Customer Service Bette Kiernan Subscriptions Diana Bishop, Mgr. Mailing Department Bea Kinnear, Coordinator Lester Anderson, Courier Clinical Assistants Jeanne Streeter Karen Fissette Brenda Cushman Accounting Rita Ellis Programmers Philip Brown Mark Shourd, Asst. Programming Assistants Brian Benisario David K. Robbins Printing Memorial Press Group SoftSide magazine is continually seeking original articles and software for publication. Imagination and variety in concept and content are the rules at SoftSide - not the exceptions. Articles are purchased on a per-page basis, based on content and applicability. Our policies with respect to software purchase are highly individualized, and offer the programmer several options, including one-time publication rights, outright purchase, and royalties on sale of pre-recorded cassettes. For more information, please write: SoftSide, PO Box 68, Milford, NH 03055. For uniformity, we have adopted the Radio Shack TRS-80 Level II BASIC as the BASIC dialect used within the pages of this magazine. It was chosen because it stands to become the most commonly used dialect among microcomputer users and because it shares a common heritage with the many microcomputer languages produced by Microsoft. SoftSide is published monthly by SoftSide Publications, 17 Briar Cliff Dr. Milford, NH 03055 Telephone: 603-673-5144. Subscription rates: USA bulk rate - $18 per year. USA first class, APO, FPO, Canada, Mexico, overseas surface mail - $25 per year. Overseas airmail - $38 per year. All remittances must be in U.S. funds. Mail subscription inquiries to: SoftSide Subscriptions, PO Box 68, Milford, NH 03055. Entire contents copyright 1979 SoftSide Publications. All Rights Reserved. 3

TRS-80 GAMES PACK III, IV, and V (TRS-80 only) Here are three collections of game software written specifically for the TRS-80. Almost all of the programs are graphics oriented. Each is professionally written by a DYNACOMP author, and each is sure to please you. We expect to sell quite a few of these collections because they are such a bargain. Minimum RAM: 32K (cassette), 48K (diskette). GAMES PACK III BUY LOW/SELL HIGH - A stock market and investment simulation for 1 to 3 players. Educational, and fun, too! HYPERDOM - A dominoes-like game which combines coordination, graphics, and skill. PYRAMIDS OF GAR - A graphics adventure. Price: $19.95 Diskette GAMES PACK IV SUBMARINE BLOCKADE - An action and sound arcade game with submarines, airplanes, mines, etc. (machine language for fast play!). AIR DEFENSE - An action and sound game involving airplanes and missiles (machine language). STARSHIP DOGFIGHT - This is an extremely good graphics/arcade game similar to Atari's SPACE RAIDERS. Includes sound (machine language). Price: $19.95 Diskette GAMES PACK V LUNAR VOYAGER - The classic LEM LANDER, but with new twists: you draw your own lunar landscape, and you must return to the mother ship after landing. SPACE PIRATES - An action/graphics arcade game. You move and rotate your ship to fire at invading ships. SPACE ATTACKERS - Action similar to Atari's SPACE INVADERS. Price: $19.95 Cassette or Diskette Sample displays:

Learn how to build those popular smoke bombs, flash powders, M80'S ect also contains chemical listings. Approximately 11 screens long.<br>Price: $9.95

This program will find all right triangles with integral side lengths utilizing a clever algorithm.<br>Price: $6.95

Pythagoras and the Dragon Mathematics in a fantasy game context. Based on THE SWORD OF ZEDEK introduces Pythagoras as a mentor to the player. When called on for aid, Pythagoras poses math questions and depending on the speed and accuracy of response, confers secret information. With Pythagoras as an ally, the quest to overthrow Ra, The Master of Evil, assumes a new dimension of complexity. Depending on the level chosen, problems range from arithmetic through plane geometry APPLE, TRS80, PET, ATARI 32K $39.95 KREIL SOFTWARE CORP. The state of the art in educational computing 1320 Stony Brook Road / Stony Brook NY 11790 Telephone 516-751-5139