Help categorize the TRS-80 software archive

PURCHASE PURCHASE makes a school's annual ordering process a cost-effective system. It simplifies the bulk purchase of items as varied as instructional and art supplies, science equipment, paper goods, custodial products, physical education equipment, and, (of course) computers. PURCHASE compiles specifications, computes quantities, and can print all the necessary forms, including bid specifications, purchase requisitions, and purchase orders. The system provides the flexibility to meet almost any user needs, and can be used for a single department, a school, or an entire school district. The utilization of a standard system can promote a clearer understanding and appreciation of the purchasing process on the part of your staff. Available on 48K disk for the Apple II and TRS-80. 2E-585 Purchase (TRS-80) $195.00

C. F. KERCHNER & ASSOCIATES INC. 5507 Louise Lane-E. Allen Twp. Northampton, PA 18067 215-262-1276 PURCHASING AIDES PACK 01 (Models I, II, and III) A programmed approach to determine the recommended purchase quantity of an item given a certain set of facts. It prompts you for information concerning the buy choices, order processing costs, freight costs, inventory carrying costs, financing costs, the desired return on investment, and so forth. The output summarizes all these facts and then, using several equations, determines the recommended purchase quantity. Cassette versions are available for $19.95, and disks sell for $39.95. If you have a Model I, you must specify whether it is a Level I or II.

PUREZZAP is a machine language, highly advanced disk sector modifier. Incorporating 4 additional utilities most desired by users. 35 or 40 track. 1 or 2 drives. Zero out all unallocated sectors. Zero out all killed directory entries. Hash code displayed upon entering any filespec. Instantly kill format, copy, basic and all system files except boot and dir. PUREZZAP reads, modifies and writes any sector. Lightning fast cursor movements in 4 directions whether modify mode or not. Instant toggle between drives. Continues sector compare of any two locations. Continues search for the occurrence of any byte. Automatic single or multiple duplication of a modified byte. Forward or backward 1 to 9 sectors at a time >>instantly<<. Fantastic, easy to read, visual display with the relative byte position displayed and updated continuously during any function. A super menu and more with easy to understand documentation. Shipped within 24 hours on a diskette for only $12.95. Add $1.00 for handling in USA-$3.00 outside. Make check or money order payable to: COMPUTER CONSULTANTS 9411 Cedartree Rd. Downey, California 90240

BIG SYSTEM SOFTWARE(tm) Exciting new software for the TRS-80(tm) from BSS(tm) CRE8SYS/CMD create system tapes from disk command files = $19.95 PURGE/CMD cleanup that disk = $14.95 TAPECOPY/CMD copy system tapes = $10.95 Dosplus 3.1 from Micro-systems. Documentation on any program $5.00 will credit toward purchase. SEND Checks or Money Order to: BIG SYSTEM SOFTWARE(tm) PO BOX 405 FRASER, MICHIGAN 48026

Get to know the affordable GAME SOFTWARE 10 GAMES-ONE PACKAGE -on one cassette- MOD. I, III DOS compatible Requires 16K RAM-up. ONLY $10.95 Shooting Gallery Needles in the Hay Math Smarts Dodge It Hop Along Cass-80 Purple Puma Concentrate Word Works Space Races X's and O's Disk Version Coming. Look for second package soon! Please include $1.50 for S/H. SEND CHECK OR MONEY ORDER TO: MR. SOFTY 1416 Ridgewood, Lakewood, Ohio 44107 OHIO RESIDENTS ADD 6 1/2% SALES TAX

NEW PUSHT A MACHINE LANGUAGE PROGRAM TO RELOCATE TBUG OR MAKE A NEW RELOCATABLE UTILITY. ALL FUNCTIONS RETAINED. MODEL 1 L2 16K CASSETTE $24 CHECK OR MONEY ORDER INCLUDES HANDLING & POSTAGE IN USA ONLY. JACK O. SULLIVAN 1521 BUXTON DRIVE KNOXVILLE, TN 37922 TBUG IS A REGISTERED TRADEMARK OF TANDY RADIO SHACK CORP.

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

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