80 Microcomputing – Volume 36 – January, 1983

Volume: # 36
Date: January 1983
Load-80: Yes
Pages: 470

Table of Contents:

Features

Page
Article
Author
Description
74
The Creator
Bruce Tonkin
Some myths die hard, such as the quickest way to riches is to write a super program.
100
Forthwrite
Wynne Keller
The second generation of word processors is upon us. One newcomer, Forthwrite, deserves to be ranked with the best of them.
104
Selling Your Software
Neil J Salkind
So you’ve decided to put your program on the market. Should you sell it through a publishing house? Neil tells you how to begin.
117
The Art of Documentation
G Michael Vose
Here’s a step-by-step explanation of how to write clear, concise manuals for your programs.
154
How to Copyright
Anthony T Scarpelli
You’ve spent a lot of time and effort writing and debugging a program. Of course you want to protect your idea from theft, but how? I
156
Planetary Orbit
[NEED TO FIX]
If you’re interested in knowing a planet’s location at sometime in the past or future, use this program to calculate its position.

Articles

Page
Article
Author
Description
110
The Great Beyond
Terry Kepner
This version of Basic is much more powerful than Microsoft’s. Use it to write sleeker code.
126
Mailing List Compiler
Gerald Sprouse
Your Color Computer can be used to produce address labels and maintain mailing lists.
132
Hardware Hacker-Part IV
Philip M Van Praag
In his finale, Philip M. Van Praag ties together three devices to make up a powerful Peripheral Support Interface.
146
A Pascal for All Seasons
Bruce Powel Douglass
If procedure-oriented languages intrigue you, Alcor Pascal may be the answer to your needs.
178
Block Titles for the Mod II
George Berman
Print block letter titles on your fanfold printouts to make them more readable.
180
The Garbage Collector
Bob Snapp
The price you pay for strings with variable lengths can be a bargain if you collect your garbage efficiently.
188
Lunar Lander
Nat R Koch
Games are rarely written for the Model II but here’s one that lets you make a lunar landing.
192
Dogfight
Ralph White
Envision yourself as a flying ace sitting in a cockpit shooting the enemy’s biplanes.
197
Partially Disabled break
Stephen Mills
When you invoke the executioner in TRS-80 unintentionally, you’ll be glad to have this program on hand.
200
New Tricks forn an Old Dog
Duane Hope
In the early days of 80 Micro, you might have punched in a word processor by Delmer D. Hinrichs. If you did, these mods should be a cinch.
216
Outbreak
Tom Hanson
A Basic version of the popular arcade game featuring the amazing bouncing ball.
221
Judge 80
Stuart Cole
Stu’s son failed to qualify in the Pine Wood Derby when his racer was misjudged. So Stu didn’t get mad; he replaced the judge with his 80.
227
Denominational Computation
Gerald Sprouse
You don’t have to be a Reverend to benefit from this financial statement program.
232
DSAVE
John Hodgson
A way to take the risk out of saving disk files to tape.
238
Windchill Determiner
John L. Cranmer, Jr
Now you have a way to determine just how cold you will be on those frosty winter mornings.
242
Getting the Most from the Model II
La Verne E Olney
Use supervisor calls and other tricks.
252
CC Monitor
Sergio Zigras
Tired of machine language forcing you to PEEK and POKE your Color Computer to death? Read on!
258
Interrupt Your 80
Douglas C Fisher
Without a hardware mod, your 80 is immune to rude interruptions
268
Building a Better Adventure
Dan Cataldo
Knowing about parsing can help you create The Great Microcomputer Adventure Game
270
Optimize Your Code
Robert W. McTernan
Make your favorite programs run faster with a little help from a stop-watch
276
PENRAM
Roxton Baker
A machine-language utility to edit random access memory.
292
Repairing a Disk Crash
Philip Martel
If one of your Color Computer disks crashes, you could lose several programs. To rescue them, try the steps outlined in the article.
298
Discipline for the DIR Command
Gerry Schechter
Confused by the order your Color Computer prints the director? This utility makes your directory look the way you want it to
302
APL Primer – Part II
Margaret M Grothman
Vectors were your favorite part of high school physics class, right? This month, Margaret tells you how to use them in APL on your 80
310
Cassette Merge
John Nicolettos
You can combine old Color Computer programs with new ones. This technique tells you how, and you won’t have to retype anything.
316
Bit Smitten – Part IV
Jay Chidsey
Good looking title and credit pages for your programs are easy to set up with this utility
324
Tape File Manager
Roger W Faulds
The four routines of Tape File Manager will increase the speed with which your buffer can read and write data to and from the tape.
342
DROSSDOS/8E
David Busch
Since operating systems can be inadvertently frustrating, KTI’s faithful observer asks, “Why not stop the pretense and make them purposefully frustrating?”
348
When OK Isn’t
Ed Deming
Tired of the same old prompt?
352
BASTEP
Alan D Smith
Catching bugs a step at a time
358
A Port-Mapped A/D Converter
M Parris
Monitor your freezer and play Pong too!

Departments

Page
Article
Author
Description
8
Remarks
Wayne Green
The need for more secure computer systems and a call for better TRS-80 graphics.
12
Proof Notes
 
Custer’s Revenge invades the sanctity of Microcom
16
Input
 
Disgruntled Model II owner who wants a hard disk. A call for a Super-Scripsit driver for an Epson. Let’s have more Line Printer VII articles. Praise of the Word Machine. Knock on MONEY DOS.
30
Debug
 
Colorful Computer fixes. Escape from SuperMaze. Curing jack o’lantern droll
34
Aid
 
Credit union software. Smith-Corona and Scripsit. Request for government general ledger program. LEX 11 schematic.
37
Commander 80
Jake Commander
The ghost of Thomas Wolfe haunts Jake as he returns to his home (in what he unfondly calls “Gray” Britain) and discovers the Dragon.
40
The Gamer’s Cafe
Rodgney Gambicus
The odyssey ends up in Vegas.
410
Reload 80
412
Fun House
Richard Ramella
Leap Year, Sands of Time, Perpetual Calendar
425
Applications
Dennis Kitsz
Putting the final touches on the build-your-own LNW
366
Calendar
435
Index to Advertisers
436
New Products
 
TDK floppy disks and cassettes. Telex communications for CP/M owners. C C Mailer. Medical lab software. Model I expansion mainframe. Computer-Assisted Home Energy Management. Nutritional management software. Color III conversion plans. Brevi-T abbreviation utility. Educational Software Library. C for Model 16. Bazui’s Quest.
450
1982 Index to Articles
 
460
1982 Index to Reviews
 
465
Index to LOAD80s
 
45
Reviews
 
Pac-Droids. C.C. Mailer and C.C. Merger. Make your computer talk with Chatterbox. Trashman, a string cleaning utility. Options-80, a stock-market utility. Log Electronic Notebook. Rental Property Investment Program. Black Death, a gem of garage-punk programming. Super-Scripsit.
72
Review Digest
 
Address Factory for the Color Computer. Print CC allows your TRS-80 to act as a buffer for your parallel printer. Astro-Blast, not just another space game for the Color Computer. The Moses Lightpen. Color Computer Katerpillar.
370
News
 
Enter the Dragon, a new 6809 micro taking Britain by storm. Tandy’s scheme to market its color machine outside the Radio Shack chain hits some rough water. The Source officially opens its new computer center.
394
The 1982 Reader’s Choice Awards
 
May we have the envelope, please …
400
Feedback Loop
Terry Kepner
A program to forecast the weather. Unmodified Model I word processing. Okidata ribbons. Model II Scripsit and Epson woes. Epson tractor-feed problems. SuperScrsipsit-Epson incompatibility.

80 Microcomputing – Volume 37 – February, 1983

Volume: # 37
Date: February 1983
Load-80: Yes
Pages: 438

Table of Contents:

Features

Page
Article
Author
Description
38
The Next Step
Hardin Brothers
A new column on combining BASIC and machine language
40
Suite 16
Dan Keen and Dave Dischert
A new column on the Model II and II/16
166
States and Capitals
Dennis Weide
Quick. What’s the capital of Ohio? If you guessed Cleveland or Toledo, you’d better use this states program to refresh your memory.
178
Spelling Challenger
Larry Krengel
With these three word games, your kids can learn their spelling words while having a good time.
184
Math Fun
David Haan
Your children will have so much fun playing with your micro that they won’t even notice they’re learning addition and subtraction.
208
Michael’s Game
Nancy Modney
Youngsters don’t have to grow up afraid of micros. Start them off early with this game program that teaches letters and numbers.
212
Refrigerator Controller
Michael’s Game
Got an old refrigerator hanging around? This unit will let you control its lighting and temperature for all sorts of science projects.
237
Horse Race II
Danley Christiansen
This revision of a previously published program makes it a more useful educational tool.
270
Twinkle, Twinkle, Little Star
Bill Grout
With a little help from you and some imaginative graphics, the TRS-80 becomes a poet.

Young Programmer Awards

Page
Article
Author
Description
84
Introducing the Young Programmer’
xs Awards
We’ve known for some time kids make up a significant portion of our readers, but we weren’t ready for this!
85
Quest for the Key of Nightshade
David Schmidt (Grand Prize)
An adventure written in Assembly language.
96
Project Deep Dive
Michael John Lake (First Place, 14-18)
Guide your sub though a winding tunnel while trying to avoid mines and torpedo launchers.
104
Music Composer
Carl Huben (First Place, 11-130
Store up to 200 notes on your Color Computer and save the music you’ve created on tape.
108
Super Draw
Terry Myerson (First Place, 10 and under)
Make your CRT a sketch pad, save your drawings, and recall them at a later date.
116
TRS-Turtle
Larry Brackney (Second Place, 14-18)
Now bring this famous teaching tool into your Tandy machine.
124
The Lair of Kraken
Beth Norman (Second Place, 11-13)
Travel through an underwater palace battling the abominable Kraken.
132
Byte Cycles
Nathan Miller (Second Place, 10 and under)
A joystick game a la the light cycle races in TRON
134
Boxer
Lloyd Kupchanko (Third Place, 14-18)
Test your pugilistic skill in this nifty game involving you against the computer
149
Foreign Flag Quiz
Jennier Neidenbach (Third Place, 11-13)
Test your knowledge of world draperies.
152
CASS-80
Scott Steele (Third Place, 11-13)
Have your own cassette-based bulletin-board system.
160
Math Countdown
Adam Wells (Third Place, 10 and under)
A computer class programming assignment turns into a valuable learning tool.

Articles

Page
Article
Author
Description
198
The Intersoft C Compiler
Rowland Archer
Third version of the C language incorporates some of the ideas of Pascal and Assembly and provides some features borrowed from UNIX
218
Son of Pilot
Randy Hawkins
If you’ve wanted to use Pilot, but it did not work on your system, try this altered version.
224
Cassette Index
Andrew Sensicle
If you want to save time when loading programs, try this index for the Color Comptuer.
228
The Model 16
Jim Hawkes
An in-depth review of Tandy’s 16-bit machine.
244
The Art of Encoding and Decoding
Karl Andreassen
Use your computer to translate your messages into an indeciperable mess; then with this program, you can translate them back again.
252
LP VII Screen Printout
Sege Calmettes
Reproduce the video display on paper.
254
Fun for the Younger Set
Safi Bahcall
Introduce your 5-year-old to the TRS-80 with these math and word programs
256
Covergem
James A Sanford
Adjust the color and alignment of your color monitor with this Color Computer program.
260
APL Primer – Part III
Margaret M. Grothman
This month’s installment contains a bonanza of functions. To name a few: logical operators, shaping indexing, and reduction.
280
Mod II Random Access
Terry Kepner
You can benefit from this author’s migraine headaches cased by Model II mishandling of disk data.
282
Drop your Color Computer into Disk Drive
Robert Nicholas and Philip Martel
Discover life in the fast data lane by putting the pedal to the metal oxide.
296
Screen Format Program Generator
Joel Belcher
Save yourself the trouble of figuring screen locations, field prompts, and input fields and let your computer do the work for you.
310
Peek Pong
Charles Gulick
If you thought fast-paced games couldn’t be written in Basic, peek Pong should surprise you
314
Color Life
Larry F. Perry
Watch communities of organisms develop with the Game of Life for the Color Computer.
328
The Input Specifier
G. Schweizer
A subroutine allowing editing of input and saving your programs from crashing.
332
Color Computer Merge
John Heusinkveld
Concatenate your programs on tape.
334
Transmiter
Jon Mark O’Connor
Merge Transmuter with another program and you can relabel any and all program variables.

Departments

Page
Article
Author
Description
8
Remarks
Wayne Green
The 16-bit fad.
10
Proof Notes
 
Piracy becomes a political issue.
12
To Copy or Not to Copy.
 
A reader offers a helping hand and raises a commition.
18
Input
 
The new exciting PC-2. better than On-Break GOTO. Okidata 83A problems. The meaning of baud.
28
Aid
 
Engineering software. Last One questions. Interfacing problems Down Under. Model III Cassbox? Scientific reconstruction of auto accidents.
30
Debug
 
Bugs In Casino Draw Poker. Model III Graftrax. Digital Doodles. Tee for Six. Tax Estimator.
32
Anniversary Correction
Charles P. Knight
Directory Information. Please correction. Here are the listings.
37
Commander 80
Jake Commander
Structured programming blues.
46
Reviews
71
Quality instructional lessons with Author I. Create compiled Basic programs with The Basic Answer. Graphics-enhanced Basic. Apple Crunch, a computer crime novel. The Echo General Purpose Speech Synthesizer. DBASiC works kith FLEX. Doughflo, Ultra-Term, Mikeegraphic Graphic Systemn. Microbuffer and MXPLUS make your Epson perform like never before.
71
Review Digest
 
El Diablero-An Adventure Game. Telewriter, the disk version, Outhouse, Fan for the Color Computer, Roman Checkers, Tandy’s Othello.
72
Calendar
80
The Gamer’s Cafe
Rodney Gambicus
Wherein a sprite named Mercedes Silver helps Max and Rodney win back thevan from Nurse Lovelace.
342
News
 
Tandy’s program to help independent software writers. Isaac Asimov speaks in Brooklyn. Will rent-a-computer be a new trend? Pilot service center in Dallas may be start of something big. Custer’s Revenge stirs national outrage.
364
Copernica Mathematica
Bruce Powel Douglass
Aerobic mathematics.
374
MONEY DOS
J.M. Keynes
First came the hotllne, now the bulletin board.
380
Fun House
Richard Ramella
Dice games called Show Up, Drop Dead, and Martinetti.
387
Index to Advertisers
 
406
Feedback Loop
Terry Kepner
80 to 35 tracks. Model I service manual. Expanding RAM. How to become an independent service person. Color Computer light pen. External Model III double-headed drives. Programming in English. Computer insurance.
416
Reload 80
Art Huston
The finer points of tape loading.
420
New Products
 
Personal Speech system. CP/M Software index. 96K for Model I. Printer Optimizer. The Amazing Ben. Model II Locker. Micromouse. Softrol recorder switch. Zaxxon for Color Computer. Food co-op software. Bumperware 1.0.

80 Microcomputing – Volume 38 – March, 1983

Volume: # 38
Date: March 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
30
The Color Key
Scott Norman
New column on Tandy’s fabulous color machine!
74
Computer Security with a Credit Card
Hardin Brothers and Jean Robert Durbin
Are you concerned about unauthorized persons using your computer? If you feel a need for security, this article will be of interest.
112
CP/M Cheap
Bill Brewer
A CP/M mod for $5? That’s what author Brewer describes how to build. It’s easy to do and an Assembly bootstrap-loader is included.
124
Your First Hardware Project
Jeff DeTray
Want to get your hands dirty with some hardware construction? Here’s an easy starter project.
156
Hardware Hacker’s Tool Kit
Jeff DeTray
Take this helpful advice on compiling the essential tools to start your career as a TRS-80 hacker
298
Do-It-Yourself Computer
John D. Chipman
The LNW-80 is a versatile and inexpensive upgrade from a Model I, if you are handry with a soldering iron and have some patience.
342
Real World, It’s About Time!
David Engelhardt
Yes, you can use your micro for something other than games! In this article you will find out how to devise a clock that keeps real time.

Articles

Page
Article
Author
Description

Business

Page
Article
Author
Description
136
Inside AIDS-III
Robert A. Fiorelli
AIDS – It won the Reader’s Choice award in January. Now you’ll be able to see for yourself why it has become such a popular program.
246
Build a Better Budget
D. S. Kemball-Cook
The down and across grind becomes passe when you’ve got an 80.
276
Reservation Cancellation
Arthur J. Welcher
An 80 makes a travel agent’s work easy.
354
Chart Maker
Stuart Ring
A bar graph to help you bring those figures into focus.

Communications

Page
Article
Author
Description
280
Compac
Brian Cameron and Dan Gould
This communications package lets you “talk” to other computers, transferring programs between micros, minis, or even time-sharing mainframes.

Education

Page
Article
Author
Description
236
B$ Sharp
Charles R. Perelman
Use the Model II’s graphics capabilities to teach your child musical note recognition.
328
Scholastic Bowl
James W. Wood
Hold your own college-bowl meets and let your Color Computer handle the bells and whistles.
332
The 2,000 Year Old Algorithm
Steven Groll
Teach your 80 to find the greatest common denominator.

Games

Page
Article
Author
Description
218
Time Warp
Russ Hildreth
Destroy all the Time Gates
326
Turret
Adam Finkelstein
Pit your skill against an oncoming invader.

Graphics

Page
Article
Author
Description
164
PRINT@ Graphics
Francis S. Kalinowski
Use these demonstration listings to produce graphics and improve your programming skills.

Home Hobby

Page
Article
Author
Description
310
Music-80
Peter Freese
Teach your TRS-80 to belt out your favorite tunes with this music interpreter. It’s easy to use, and has practical applications, too.

Reviews

Page
Article
Author
Description
92
Quik-N-Easi Pro
Thomas L. Quindry
Not a program generator, but an applications-development language, Quik-N-Easy-Pro frees you from learning detailed programming skills.
101
Flex Your Color Computer
Scott Norman
The Flex Operating System is here to stay for the Color Computer.

Series

Page
Article
Author
Description
200
APL Primer – Part IV
Margaret M Grothman
Have a matrix you’d like transposed? This month we’ll also tell you how to reduce, add, multiply, ravel, rotate, and catenate it.

Technique

Page
Article
Author
Description
150
Testing Your New RAM
Dennis Weide
Are you confused because the memory you have added to your Color Computer doesn’t work? This program will help locate the problem.
208
Seeret Ciphers
George Reardon
If you’ve always wanted to sendconfidential material to other users, try this public-key cipher system. It’s practically unbreakable.
252
Self-Modifying Programs
Robert D. Rlfkin
Get rid of clumsy duplications of code.
336
Compress It
Franklyn D. Miller
Squeeze a 12K program into a 4K computer.

Tutorial

Page
Article
Author
Description
176
Lisp: Basically Speaking – Part I
Randy Beer
Interested in a language that uses objects instead of number? Lisp is a symbol-manipulation language that uses lists of obejcts.

Utilities

Page
Article
Author
Description
190
CC DLOAD
Frank Bogardus
First, read this artlcie and learn about the Color Computer’s ROM. Then you can use the DLOAD command to link it with the Model I.
226
Cassette Operating System
Richard W Castor
Data-base management wih a tape-based system.
260
Easy Loader
Thomas L Quindry
Basic to machine language to CLOAD
272
Seeker
Jon Mark O’Connor
Why buy PRINT to LPRINT software when this one won’t cost you a dime?

Departments

Page
Article
Author
Description
278
The Poop on PEEK
Steve Saisi
Use PEEK instead of INKEY$ on your Color Computer to give your tired arms a rest during fast games.
358
Relocate Debug
Jerry W. O’Dell
If you like to hack up commercial programs, Debug may get in the way. So why not move it?
8
Remarks
Wayne Green
The cost of software publishing.
12
Proof Notes
 
Meet the average 80 Micro reader
14
Input
 
Floppy talk, Model III memory map, recovering dead files, open cartridge surgery comment, Scripsit changes for the forgetful.
24
Aid
 
Looking for KBFIX/RELO. Anyone have a-bar code reader? Call for Model II education programs. Help needed for Qume Daisy Wheel proportional spacing.
26
Debug
 
Take Color Computer differences in to account when uslng CC CQ. POKE graphics made compatible with disk systems. Quickcalc correction. String change for voice controlled typewriter. Subterra error. Before aliens attack, PCLEAR 2. Correct Color Assembler.
37
The Next Step
Hardin Brothers
After mastering Basic, the next step is machine-language subroutines.
44
Reviews
 
CopyArt II. Zorloff Word-Processing System. MDX4 modem. Key Commander full-screen editor. Six joysticks reviewed. Data-Writer form letter and mailing list program. The Producer program generator. Strike Force, a game from Melbourne House. TRS.80 Color Programs, more than just a book of programs. Galaxy Invasion Plus. Jovian. SPOOL/64.
73
Review Digest
 
Space Castle. Astroball. The Word Processor complements Bible Research Systems’s The Word. Profile.
364
News
 
The Games Network brings video games into the home through cable TV. Staff walks out on PC. Report on Russian theft of U.S. high technology.
388
Medical Opinion
Phillip R Mills, M.D.
Medical data bases
393
Fun House
Richard Ramella
Make your own adventure game
403
Index to Advertisers
 
404
MONEY DOS
J.M. Keynes
Large profits quickly without disaster.
408
The Gamer’s Cafe
Rodney Gambicus
While the gamers collect some z’s, Stella continues the tale.
410
Feedback Loop
Terry Kepner
Readers’ questions answered.
420
Reload 80
 
410
Calender
424
New Products
Professional Communications System. Fan for the Color Computer. 150 business utilities for $30. Olivetti Interface. Optima disks from Verbatim. Better VlsiCalc reports. A printer for all computers. The Universal operating system. Tandy to PC transfer. Legal-office software. Pocket-sized modem. Add a monitor to your Model III. Greek mythology game. Packet Computer business program. Gas Attack lets you be the bad guy. $16.95 word processor. Space Ambush.

80 Microcomputing – Volume 39 – April, 1983

Volume: # 39
Date: April 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
82
The Muscle Micros
The 80 Micro Tech Staff
These three sleek, super-charged Model IIIs are ready to take their Winchester drives and bloe everybody else right off the road.
98
Language Development Tools
 
A basic listing of a different sort for those of you ready to go beyond Basic.
144
Flex for the Color Computer
Steve Odeal
Read how this Color Computer owner dused his Radio Shack disk system with the versatile and inexpensive FLEX disk operating system
210
VCMOD
Arne Rohde
Make the modifications suggested here and create a useful editing function for VisiCalc
232
Color Black Box
David W Gangwisch
Stop Switching the RS-232 cords for your Color Computer’s printer and modem. Build this black box and leave them both plugged in.
264
OMNIPROM
Bob Hart
A nearly universal EPROM programmer
291
The Magic Matrix – Cryptology, Part III
Karl Andreassen
Learn the background of secret ciphers and explore polyalphabetic code with Andreassen’s latest article about cryptographic programs.

Sports

Page
Article
Author
Description
108
Tee Off!
Michael Parks
In this golf game, you will have to contend with hazrds as well as varying wind conditions
130
Batter Up!
Harold A Kime
This game is perfect when you want to play baseball but can’t get out to the ballpark.
152
Split Calculator
G. Michael Vose
Marathon runners, use this program to set a new personal record or even win your next race.
218
Bowling Statistician
Charles Hoppesch
Let a TRS-80 keep track of your pins
236
Tee-Toatler
David Tinis
Be your league’s record-keeper.
322
Soccer Anyone?
Wayne D. Riggs
If you’re a soccer fan, you’ll love the action in this two-person Color Computer game.

Articles

Page
Article
Author
Description

Games

Page
Article
Author
Description
242
Commander Flyinn in Color
Victor T. Albino
Now Color Computer owners can accompany daring Harry Flynn on his wild adventures in space.
326
Return to the Castle
James Wood
Here’s a game for you Color Computer enthusiasts complete with dragons, princesses and gold.

General

Page
Article
Author
Description
141
Punklist
Eric Maloney
Rock groups – don’t despair! This program will soon end your search for the perfect name.
332
Memory Exerciser
Waldo T. Boyd
This program provides a challenging routine to help strengthen your memory via your micro.

Graphics

Page
Article
Author
Description
306
Graphics on the Line Printer VII
THomas Tinsley
Vector coordinates, windowing, and divide-and-conquer translation add up to spirals, sine waves, cartoons, and more for LP VII artists.

Hardware

Page
Article
Author
Description
300
The Murphy Box
Sam Conviser
When your acoustic couple gives you trouble, use this device to diagnose the problem.

Review

Page
Article
Author
Description
120
Interpro Flexible Mailing List
Jim Heid
Has your correspondence gotten out of hand? This mailing list system will help organize names and addresses on your Model I or III.
198
Random Basic and the Scribe Editor
Scott Norman
If you’re a Color Computer owner using CC FLEX, these two programs from Computerware may be for you.

Series

Page
Article
Author
Description
157
APL Primer – Part V
Margaret M. Grothman
It’s all here – pi and trig functions, the quadratic formula, basic conversions, statistics, determinants, and matrix inversions
168
Inside AIDS-III – Part II
Robert A. Fiorelli
Round off your data-management system with MAPS-III, CALCS-III, and MERGE-III
254
Lisp: Basically Speaking – Part II
Randy Beer
Learn how to learn Lisp’s LAMBDA, NLAMBDA, and DEFINE atoms in the second part of this series.

Utility

Page
Article
Author
Description
285
Color Disk Directory
Gerals Sprouse
This master director will help you categorize and quickly locate programs and files.
296
Moving Window
Ken M. Williams
Page through the random-access memory of your Color Computer with this nifty little utility.

Departments

Page
Article
Author
Description
8
Remarks
Wayne Gree
Pocket pagers and the Model 16.
12
Proof Notes
 
On the inevitability of Hot CoCo.
14
Input
 
Comments on the Creator. Demon transients. Buzzword generator. Kudos for Model II game programs. Tips for top performance from your modem. Lobster in his crawdaddy. Time Manager patch.
24
Powersoft on Piracy
 
In response to “To Copy or Not to Copy.”
28
Debug
 
Regress correction. “Easy Picture Editor” bug.
32
The Color Key
Scott Norman
Turning your color machine into a home manager.
38
The Next Step
Hardin Brothers
Relocatable machine-language routines.
46
Suite 16
Dan Keen and Dave Dischert
What’s the real advantage of a Model 16?
48
Reviews
 
Runcalc, Machine Language Disk I/O & Other Mysteries. To Catch a dMouse Make a Noise Like a Cheese. STAR-DOS for Color Computers without Extended Basic. Demon Seed. ISSI General Ledger program. Grammatical Man. Time Runner. Centronics 122 Graphics Printer. Alien Defense Commented, the source code to a popular game with comments by its author. Okidata Microline 84 prlnter. Autogrammer, a program generator.
338
News
 
Consumer Electronics Show In Las Vegas. Disney Productions enters the software business. Model I used for first-rate dictionary. Speachware: low memory, high speech synthesis.
364
Fun House
Richard Ramella
Four April Fools’ jokes for your computer
370
Calendar
 
372
MONEY DOS
J M Keynes
Choosing a broker.
376
Feedback Loop Special Edition
Terry Kepner
SuperScripsit
388
Feedback Loop
Terry Kepner
Reader’s questions answered.
398
The Gamer’s Cafe
Rodney Gambicus
Catching up on the mail while gassing up at Little America.
402
Copernica Mathematica
Bruce Powel Douglass
A convert of Pascal.
404
Reload 80
Art Huston
Editor/Assemblers.
410
New Products
 
Infostar data-base manager. Economic forecastlng program. Amplot six-color plotter. Epson, Qume, Brother. and other drivers for Super Scripsit, 007 mciro. Genius high-resolution display. CP/M Reveasled. Mel the Memory Mogul. SoundTrap silences your printer. Cyberchess lets you tackle the masters. Baseball-Stat. Half-height tandon drives. Glare filter.

80 Microcomputing – Volume 40 – May, 1983

Volume: # 40
Date: May 1983
Load-80: Yes
Pages: 404

Table of Contents:

Features

Page
Article
Author
Description
90
The 80 Goes Color
James W. Cole
Color for the Model III
104
Symmetrical Graphics
John D Fowler Jr.
Are you intrigued by graphics? This article deals with the visual symmetry of rotations in a plane and of reflections across a line.
110
Color Computer Light Pen
Ray N Moses
Tired of typing on your Color Computer? Build this handy, inexpensive light pen, run the programs, and enjoy faster and easier input.
146
Software Buyer’s Guide: Graphics Software
 
218
The Printer as a Paintbrush – Part I
Mike Keller
Learn to use dot-addressable graphics
230
Profile II Modified
John B Ford
Make this classic program easier to use
258
Hardware Buyer’s Guide: Printers
 
278
Hardware Buyer’s Guid: Plotters
 
294
Dvorak Meets Scripsit
John T. Phillipp
Who needs QWERTY anyway?

Articles

Page
Article
Author
Description

Business

Page
Article
Author
Description
140
MiniCalc
John Corbani
Apply matrix logic to business applications
326
Business Graphics
John Corbani
Tell your company’s story in graphics. Figures made with these powerful, self-documenting subroutines speak louder than words.

Education

Page
Article
Author
Description
320
Billy and the Electric Troll
Victor T. Albino
Let these creatures teach your child number patterns.

Games

Page
Article
Author
Description
254
Color Computer Color Code Combo
Stephen E. Sutton
One or two people can play this game where you use your logic to guess color combinations.
298
Jet Bomber
Thomas H. Rogers, Jr.
Add the screen-scrolling feature of this game to your own games or other graphic programs.

General

Page
Article
Author
Description
324
Monkey Business
David Busch
For those readers who miss the daring new products from the zany crew from Sri Lanka …

Graphics

Page
Article
Author
Description
198
Rapid Prints
Delmer D. Hinrichs
Forget tedious mathematical calculations. Draw hundres of figures and shorten printing time with these Fortran and Basic programs.
212
40K Color Basic
Richard E Esposito, Ralph E Ramhoff, Rayment W. Rowe
Should you be content with 32K RAM on your Color Computer when you could have 40K?
236
3-D Printer Graphics
Delmer D. Hinrichs
Do you have a dot-matrix printer than can plit bit-mapped graphjics? These fancy peaks and waves will make it jump through hoops.
246
A Turn of the Screw Revisited
Lynn Davis
Here are “A Turn of the Screw” graphics for the Color Computer. Can you get the screw to turn?

Home/Hobby

Page
Article
Author
Description
152
Circuit-Board Scanner
James Lisowski
Your TRS-80 makes building a kit even easier
290
Mini-Micro Text Editor
Jasper Kump
This editor uses less than 200 bytes.

Review

Page
Article
Author
Description
133
The Model 12
Jim Hawkes
Tandy refines the Model II and introduces a strong contender with the Model 12. This expandable machine is competition for the Model 16.
282
Double-Good Double-Density
Carl Oppendahl
Give your Model I a new lease on life with this Radio Shack Double-Density Disk Kit. You can improve TRS-DOS and Basic capabilities too.

Series

Page
Article
Author
Description
306
LISP: Basically Speaking – Part III
Randy Beer
In this final part of a series on LISP, you will learn about I/O methods, temporary variables, saving function definitions, and more.

Utilities

Page
Article
Author
Description
125
MX-80 Driver
Dan Robinson
If you’ve been unable to use your printer with SuperScripsit, you should try this program.
144
Statements in Common
Zvi Barak
You can transfer data from one program to another. This routine makes it quick and easy.
154
Pencil-Plus 2.0
Dan Robinson
Electric Pencil 2.0 owners can expand its capabilities to include mix-and-match font combinations, keyboard input, and much more.

Departments

Page
Article
Author
Description
8
Remarks
Wayne Gree
A call for the Shack to make a comeback
12
Proof Notes
 
On being thick and Jake’s departure
14
Input
 
Computus interruptis. Second childhood? II/16 in Chitown. Custer’s Revenge. MONEY DOS loss. Users group Tarheel. CoCo users in Memphis. Remarks on Northeast Computer show rapped.
22
Aid
 
$50 joystick? Sound fascination. Wants July 1980 issue. TRSDOS 2.7DD incompatible with Scripsit. Biblio data-base manager wanted. Plumbing programs needed. User wants SuperScripsit and NEWDOS 2.0 to tango. LNW-80 patch wanted. AN-7000 friends needed.
26
Debug
 
Campaign funding irregularities in “Electrion.” No new tricks if advice of old dog heeded. CASS-80 mistakes. Listing mixups. Sound for draw poker found. ERROR GOTO. Missing listing. CASS-80 miscues.
28
The Next Step
Hardin Brothers
Passing values between machine language and Basic.
38
Commander 80
Jake Commander
What is this thing called Tandy?
41
The Color Key
Scott Norman
More on Homebase program for CoCo.
46
Reviews
 
GRASP. Dot Writer 1.5 Color-Graph. TRS-80 Pocket Handbook. Mindwarp math drill program. System Diagnostic 2.0. Interface Projects for the TRS-80. PLAN80 2.5. Gemini 10 and 15 printers. TC-8C High Cassette System. JBUG Monitor. Cyberchess Chess Improvement System. Super data-base program. Super Duper.
86
Review Digest
 
Solo Pool, billiards for your micro. Doodle Bug game. Maxi CRAS. Polaris. MULTIDOS. Business Mailin List. Wired, a novel by Harry Hellerstein. The Last One. Versa-File. CGP-115 printer. The Qume Sprint. Forth. TRS-80 Graphics for the Model I and III. Scriptr. TaxPro. ZGRAPH 4.0.
88
Calendar
 
334
News
 
Model 12 released. CP/M and Xenix in Tandy fold. Portable Radio Shack micro rumored. Chances slim for Apple Bill this year. New movie uses computers in real time.
357
The Gamer’s Cafe
Rodney Gambicus
Rodney and his crew arrive in Iowa City.
360
Reload 80
Art Huston
An explanation of DOSPLUS
362
Fun House
Richard Ramella
Fun generating mazes
371
Index to Advertisers
 
372
Take II
 
QuickCalc for the Model II
380
Feedback Loop
Terry Kepner
Reader’s questions answered.
392
New Products
 
Model 16 Xenix. Infoscribe dot-matrix printers. Boot Error Eliminator. Modula-2 manual. Revolution, CoCo auto race game. Talk to the TRS-80. Fanfold checks for business. Satellite tracker. Program of the Month club. MicroSpooler. Supreme Rules. The Answer shifts manual modems into automatic. Tallymaster financial manager. Something for you dance-hall owners.

80 Microcomputing – Volume 41 – June, 1983

Volume: # 41
Date: June 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
68
Drivers and DCBs
Jery Lindsly
Are you curious about machine-language programming? The ROM subroutines explained and demonstrated here will help you learn.
78
Apple Core Emulator
Gary Grout
Now Model I and III users can have the best of both worlds. With this emulator, your TRS-80 writes and runs Apple II software.
104
Basic, Faster and Readable – Part I
John Corbani
If you remember some of the rules you learned about grammar so long ago, then you should be able to use Basic effetively and efficiently.
116
The 80 Goes Color – Part II
James W. Cole
Now that you’ve modified your TRS-80 so it’s capable of color graphics, you need this set of USR routines to enhance your programming.
134
Software Buyer’s Guide: Utilities
 
173
Assembly-Language Shortcuts – Part I
Bob Bowkey
Bowkey introduces his series of articles with simple tricks and shortcuts to make writing Assembly-language programs an easier process.
200
Build an EPROM Programmer
William Mahoney
Would you like to have all your favorite programs in a ROM pack? Do just that quickly and cheaply and for yourself.
234
Hardware Buyer’s Guide
 
Disk Drives and Disks
244
Programming the Model 16
Dan Keen and Dave Dischert
The 16-bit MC68000 microprocessor is flexible, executes instructions faster thaneever before and, best of all, isn’t hard to understand.

Articles

Page
Article
Author
Description

Games

Page
Article
Author
Description
296
Bustout
Terry Hague
Are you looking for games for your Color Computer? Here’s one that really tests your skills.

Graphics

Page
Article
Author
Description
164
Better CoCo Graphics
Wayne Thume
If your Coloor Computer screen can’t handle detailed graphics, Try this graphics editor.
282
The Printer as a Paintbrush – Part II
Mike Keller
Reproduce the finer shading levels.

Hardware

Page
Article
Author
Description
270
Model II Real-World Input/Output
J J Barbarello
This Model II capacitance meter lets your computer communicate with the outside world. It’s inexpensive and simple to build.

Techniques

Page
Article
Author
Description
258
Using Data Files – Part I
Jesse W. Baker
Data files consist of characters stored on magnetic disks independent of other programs. You can learn to handle them efficiently.
300
Ordering Via Recursive Routines
John Stover
Recursive routiens can calculate all possible number combinations in a small amount of code.

Review

Page
Article
Author
Description
148
DOSPLUS II
Art Huston
Need a snazzy new DOS for your Model II, 12, or 16? Try this one.
180
The Postman’s Second Ring
Jim Heid
The second version of Postman is a complete mailing-list system to help you make your appointed rounds.

Series

Page
Article
Author
Description
190
Letter-Frequency Distribution – Cryptology – Part IV
Karl Andreassen
Here’s another article in the cryptology series. You’ll learn how to use letter-frequency distribution to crack ciphertext.

Tutorial

Page
Article
Author
Description
110
Color Sketchpad
Larry Colle
By using your keyboard to draw, you can avoid the drugery of designing graphics

Utilities

Page
Article
Author
Description
246
Flowchart Generator
Peter R. Ohs
Make it on your TRS-80.
302
Robot Reader
Charles Glllen
This short Basic program accepts text, analyzes it, and tells you its difficulty level.

Departments

Page
Article
Author
Description
6
Remarks
Wayne Green
Tandy’s decision not to tubewhip consumers.
8
Proof Notes
 
10
Input
 
Readers write to 80
22
Debug
 
80 programs corrected and improved.
24
The Next Step
Hardin Brothers
Tinkering with the Basic in your ROM.
32
The Color Key
Scott Norman
Color keyboard, Telewriter improvements, 64K CoCo.
38
Suite 16
Dan Keen and Dave Dischert
Disk-not-ready error tackled.
40
Reviews
 
Deadline. MicroTerm. Bable Terror. Color Pilot. Everything You Always Wanted to Know About Home Computes, D-92 printer. Telewriter 64. And more.
67
Review Digest
 
TRS-80 products reviewed in other publications.
208
News
 
Model 100 released. Microfloppy war. Tandy unfazed by market share loss. Spiritual programs for the CoCo.
322
Take II
 
I/III programs converted to Model II.
328
Calendar
 
330
Fun House
Richard Ramella
Traveling games.
336
Reload 80
Aimee Eisenberg
New disk transfer system
340
The Gamer’s Cafe
Rodney Gambicus
Askew in Sandusky
344
Feedback Loop
Terry Kepner
Readers’ questions answered.
358
New Products
 
Newbasic. Okldata Microline up-date. Screen Expander. L-Monitor. II/16 Telex Software. Transector SL Surge protector. Scheduling planner. Tasman Turtle. LDOS help. Diplomat Intelligent switch box. Color Computer voice-recognition pro. gram. Model 16 data base. Android Attack. I/IIII Statistical Package. Common Subroutine Colleotion. Cores-9 editor/assembler update. CoCo keyboards. And more.

80 Microcomputing – Volume 42 – July, 1983

Volume: # 42
Date: July 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
78
La Plume de Ma Tante
Philip Martel and Robert Nicholas
If you’ve ever wondered why there are so many programming languages for the TRS-80, this overview provides insight and examples.
94
A Pascal Primer
J.B. Harrell
Learn Pascal while teaching your micro to play cribbage.
186
Fortran Breakout
J.B. Harrell
This popular gamea appeared in Pascal in our July 1981 issue. Here it shows the power and speed of Fortran.
220
Logo for the CoCo
Molly Watt
Radio Shack’s Color Logo brings computer programming to your kids.
228
A History of Programming Languages
Alan Nelbauer
This survey traces dialects development from the days of wires and switches to the modern programming era.
297
Directory to Hardware Manufacturers and Distributors
 
If someone makes it or sells it, we’ve got it

Articles

Page
Article
Author
Description

Business

Page
Article
Author
Description
240
Service with a Smile
James H. Nestor
Lean Basic programming and keep custom records up-to-date.

General

Page
Article
Author
Description
212
Software Buyer’s Guide: Color Computer Utilities
 
Products to extend Color Basic programmers’ skills.
256
Hardware Buyer’s Guide: Color Computer Upgrades and Peripherals
 
Buying a CoCo is only the beginning.

Hardware

Page
Article
Author
Description
138
Build It Yourself
Ralph Navarette
A simple serial interface for the MX-80 and the Color Copmuter, with programs to show it off.
274
Hardware Hacker Help
Philip M Van Praag
Analyze PSI circuitry problems with this test equipment and advice.
286
Making a Weak Link Stronger
Thomas Hartmann
What’s wrong with the TRS-80’s screen? Find out, then see what you can do about it.

Review

Page
Article
Author
Description
122
The Max-80
R. A. Langevin
Lobo’s Max-80 provides CP/M capabilities and is compatible with most software

Technique

Page
Article
Author
Description
130
Which Way the Wind Blows
William Bunch and Robert J. Lisi
This weather data base provides information on high and low temperatures, degree days, and more.
200
Basic, Faster and Readable – Part II
John Corbani
Make conditional tests easier by tailoring the logic to the expected input.

Tutorial

Page
Article
Author
Description
208
Mod II CRT Controller
Steven and Yvonne Grant
Program the Model II’s MC6845 chip and control up to 16 screen functions

Utilities

Page
Article
Author
Description
290
Profile File Transfer
John Mabry
Use this easy Basic program to put Profile data in new files.

C Notes

Page
Article
Author
Description
158
Tandy’s Towering Totable
John Berman
The definitive review of the definitive portable computer.
166
People Are Talking
John O. Mello Jr.
The Model 100 has industry insiders puzzling. Here’s what they say about Tandy’s newest.
169
But Will It Fly?
John P. Mello Jr.
Is it safe to take your 100 on plane trips? 80 Micro checks with the airlines.
170
Model 100 Start-up Kit
 
Gas and Oil Mileage, Traveling Expenses, Punch Out, Itinerary 100, The Final Notice, Monitor 100, and The Rule of 78 – everything from hotel bills and loan payments to monitoring hexadecimal addresses for portable programmers.

Departments

Page
Article
Author
Description
6
Remarks
Wayne Green
Praise for the Model 100.
10
Proof Notes
 
The Model 100 has changed the world and 80 Micro.
12
Input
 
Goodbye to Brenner. Debug for DLOADM. Protected software protest. Program for woodworkers. Angry AIDS customers and SoftTrends’ response. Print sort results. TRS-80/Apple translation. improved Lisp interpreter. Scripsit meets XFERSYS.
20
Aid
 
European electricity. VoxBox software needed. Which way to process envelopes? Quest for print wheels. Model III map. $1,000 paperweight. NEC printer and Model II graphics.
22
Debug
 
An impediment in Lisp. Peg Legsand Tack-Gun CoCo bugs. Michael’s Game in color.
24
The Next Step
Hardin Brothers
Scroll, don’t flip.
32
The Color Key
Scott Norman
CoCo languages and Colorkit improvements on Basic.
38
Reviews
 
Tallymaster. Epson FX-80 printer. Starcross, a hunt for black holes. CoCo expansion interface and clock/calendar. SeeBee stops Model II boot errors. ENBase. Supreme Ruler. ZSIM.
75
Review Digest
 
What others are saying about TRS-80 products.
77
Calendar
 
332
News
 
CoCo stands alone as TDP twin leaves market. Finding romance at 300 baud. CRT safety questioned. New posse to ride Silicon Valley. E.F. Hutton talks, but few listen.
342
Take II
 
Black Friday for II/12/16 owners.
346
Fun House
Richard Ramella
A festival of mini-programs.
356
The Gamer’s Cafe
Mercedes Silver
Letter to a Radio Shack dealer.
360
Feedback Loop
Terry Kepner
Readers’ questions answered.
370
Reload 80
Amee Eisenberg
To catch fleas, think like a computer.
374
New Products
 
Supa*Edit. 5D Star Empire. NEC dot-matrix printers. 1.6 MB minifloppy. Pajaro, a new language for the Models I/III. Compu-Talk for II/12/16. Business Computer Network. Priority Organizer. DBMS subroutine package. Control four recorders with one CoCo. Model III dumb terminal program. Modular micro furniture. What the well-dressed computer is wearing.

80 Microcomputing – Volume 43 – August, 1983

Volume: # 43
Date: August 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
86
Armageddon
Tom Alar
Meteors are falling on Madison, WI. Your speed and dexterity can save the city.
92
Lost on the Great Barrier Reef
Thom Johnstone and Mike Matthews
Danger Down Under – an adventure that might leave you stranded
100
Once More, With Feeling
G. Michael Vose
A review of Tandy’s third generation: the Model 4 with 64K, 4MHz, and CP/M for $1,999.
110
Rat Maze
Richard Uglum
A game that’ll make you feel like a laboratory animal
120
Muddy Pig Simulator
Mike Conforti
Tired of fancy flight simulators? Struggle with swine in this fast paced corral game.
148
Model II Casino
Byron Lott
Las Vegas Night for the business micro.
182
Micro-Melodies
Jef Bell
A new way to test your memor – match those tunes.

Articles

Page
Article
Author
Description

Games

Page
Article
Author
Description
212
Collegiate Capers
Christopher Skapura
The Paper Chase was never like this.
226
Attack of the TRS-80
Hollie H. Satterfield
A lunar colony is at the mercy of a mad Model I. Can you stop it and save the inhabitants?
234
Maxwell’s Demon
Lee Morgenstern
Hot and cold molecules don’t mix in this game based on a hypothesis in physics.
246
Kings and Castles
Gary Michaels
“Kings and Catapults” returns for Color Computer warriors.
256
Strip Blackjack
Stephen Mills
Play for high stakes in this adult variation of a computer favoriet.
268
Light Cycles
Donald David
Rev up and paint the screen. It’s easy except for the obstacles and your opponent.
272
Maze Chase
Leonard Karr
Try to catch the asterisk before enemies catch you.

General

Page
Article
Author
Description
138
Software Buyer’s Guide: Model II/12/16 Games
 
The most fun you can have in the office.

Review

Page
Article
Author
Description
141
Maxi Mall
Jim Heid
A mailing-list manager that comes with its own DOS.
188
ARCDOS for ARCNET
Joseph E. Trojak
An overview of Radio Shack’s Model II/12/16 network

Techniques

Page
Article
Author
Description
124
My Foe Flicker
Joseph Dihopolsky
Keep your electron gun on target and eliminate the flicker that plagues Model III animation.

C Notes

Page
Article
Author
Description
200
Five Portable Programs
80 Micro Tech Staff and Richard Ramella
Foxfighter, Intel, Subtera, Renumber 100, and The Year in Review: three games, a utility, and a bar graph for briefcase computing.
209
Nothing’s Perfect
Ken Barbier
Even the Model 100 has a few drawbacks.
210
Text Meets WorStar
Ken Barbier
Sending Model 1000 ties to the leading CP/M word processor.

Departments

Page
Article
Author
Description
6
Remarks
Wayne Green
Mini moguls and the micro market.
10
Proof Notes
 
Mad Max on the Gamer’s Cafe philosophy.
12
Input
 
Hard disk accounting. AIDS-III improvements. Reader supports PowerSoft; WittSoft replies. Moving Window simplified. Tandy in business. Scripsit for LDOS. Model 16 Xenix applications. Jet Bomber and Batter Up for Model III. User’s group update.
24
Aid
 
Pen pals for Australia. Model I in stereo. Ukrainian alphabet for TRS-80? Datagraph patch sought. Model II jeweler. Lowercase for Centronics. Creeping screen display.
26
Debug
 
Text editor correction. EPROM programmer schematic. Commands for Color Disk Directory. Dreidel debug debugged.
30
The Next Step
Hardin Brothers
Keyboard secrets revealed.
40
Suite 16
Dan Keen and Dave Dischert
A look at TRSDOS – all 11 versions.
44
The Color Key
Scott Norman
Games, graphics, and 3-D trigonometry
50
Reviews
 
Prometheus 5 hard disk and DOSPLUS 4.0 operating system. Color Caterpillar. POWER! for CP/M. Microcomputers in Large Organizations. SneakThief. Early Games. Lazy Writer extensions. ProTrade. TRS-80 Interfacing Projects. And more.
83
Review Digest
 
Some other views of the TRS-80 marketplace.
280
News
 
Model 100 upstages Model 4 at Boston debut. U.S. computers and Japanese competition. Micro Sales and support. New portables at Comdex. High-tech job skills. School and home use surveyed. Epson meets Miss World.
296
Calendar
 
300
Fun House
Richard Ramelia
Can you guess the Mystery Guest?
310
Feedback Loop
Terry Kepner
Questions answered, no waiting.
315
Young Programmer’s Contest
 
The scoop on entering our 1983-84 competition.
320
Take II
 
A favorite from last year’s games issue.
324
The Gamer’s Cafe
Rodney Gambicus
Marching through Georgia.
328
Copernica Mathematica
Bruce Powel Douglass
Eigenvalues by the power method.
340
Reload 80
Amee Eisenberg
Overcome /SRC anxiety
344
New Products
 
200-MB mass storage. 40-track formatter. Model II/12/16 disassembler. Custom screen designer. WattsOut. Faster CoCotapes. Ink-jet printer for $560. Model III business package. Soundplus. Memory Jogger. Subterranean Encounter. Model 16 spreadsheet. Printer-Stilts.

80 Microcomputing – Volume 44 – September, 1983

Volume: # 44
Date: September 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
74
The Business of Planning
Ronal A. Cangro
Don’t be a financial gambler – use Monte Carlo analysis to defeat business problems.
128
Project Assessment Technique
 
Calculate the rate of return and plan business alternatives
152
Busines Bazaar
 
A buyer’s guide to profitable sofware.
180
Satellite Word Processing
Henry Aldrich
Use CoCos as terminals while you Model I/III/5 handles the printing chores.
184
Spacemap
Hubert C. Bormann
A track-by-track disk directory for Model I woners.
220
80 Micro’s Second Annual Reader’s Choice Awards
 
Your chance to pick the winners in TRS-80 software.
230
Talk to the Big Guys
Douglas Payne
Use this dumb terminal program to say hello to minis and mainframes

Articles

Page
Article
Author
Description

Business

Page
Article
Author
Description
108
What’s the DIF?
David G. Haan
Access VisiCalc files from basic for error-free reports.
140
Financial Transactions Recorder
Jim Barbaerllo
A Model II/12/16 data base that organizes and tallies your business deals.

Graphics

Page
Article
Author
Description
208
The Artful Plotter
Jerry O’Dell
The Radio Shack plotter/printer struts its stuff.

Hardware

Page
Article
Author
Description
272
Portable Word Processor
Thomas Hartmann
The Sony Typecorder and your Model III make a powerful combination for writing on the run.

Review

Page
Article
Author
Description
120
The Versatile Microprism
Bradford N. Dixon
A printer that combines the best features of dot-matric and near-letter-quality machines.
200
The LDOS Toolbox
Jim Heid
Powesoft adds utilities and patches to the popular operating system.

Technique

Page
Article
Author
Description
116
Saving Strings
David M. Keil
Even the fastest typist can’t outrun this INKEY$

Tutorial

Page
Article
Author
Description
216
Aid for AIDS-II
Amee Eisenberg
Getting the most from the March issue’s data base manager.

Utility

Page
Article
Author
Description
268
Mod II File Transfer Utility
J. H. Nestor
Tell your micro to move files, then leave while the work gets done.

Departments

Page
Article
Author
Description
6
Remarks
Wayne Green
Anatomy of a merger.
10
Proof Notes
 
Coming to terms with terminology.
12
Input
 
Replacements versus copies. Alarms and switches. Motorola on the MC68020. Bigger barriers. Print and LPRINT. Model II spooling. Lower bombing runs. More on WittSoft. Forcing programmers away from Basic.
20
Aid
 
Model I speedup. Advertising software. Electric Pencil lowercase. Alcor Pascal assistance.
22
Debug
 
Fixes, patches, corrections, and amendments.
24
The Next Step
Hardin Brothers
Low memory and restart vectors.
30
The Color Key
Scott Norman
Plot your expenses with this CoCo graph program
38
Reviews
 
The MC-10, a CoCo for beginners. Liberator. Computer Programming for Kids. The Executive Calculator. Model II games. MaxiStat. The Home Accountant. Forms III/Prosort III. Optimal Manager. Games at a Glace.
71
Review Digest
 
Outside opinions of the TRS-80 marketplace.
72
Calendar
 
280
C * Notes
 
A portable disasembler, elapsed time clock, foreign exchange, and tips on writing your own Model 100 conversions, plus an update for would-be fliers.
292
News
CP/M and the software outlook. The stringy floppy forgets its past. Tandy-vision: In and out of the video biz. Micros in hotels. the Model I in museaums. June in Massachusetts.
304
The Gamer’s Cafe
Rodney Gambicus
Investing in Florida real estate
308
Feedback Loop
Terry Kepner
Our columnist fields your questions.
320
Reload 80
Amee Eisenberg
Making business software decisions.
324
Fun House
Richard Tamella
Back to school, Fun House style.
331
Young Programmer’s COntest
How to enter the second annual extravaganza.
332
Take II
A Model II mailing list.
338
New Products
Multi-color plotters. Alone with Floyd. Self-cleaning disks. Model 4 upgrade. Z80 applications. VisiCalc and CP/m tips. Text-formatting spreadsheet. Model 100 and RS-232 bar code readers. Power console. Use CoCo disks on your I/III.

80 Microcomputing – Volume 45 – October, 1983

Volume: # 45
Date: October 1983
Load-80: Yes
Pages: ???

Table of Contents:

Features

Page
Article
Author
Description
90
Ephemeris for Comets and Minor Planets
James H Fox
Your TRS-80 goes into orbit to project the positions of comets and asteroids.
100
Molecular Matters
Karl Samow
Molecular orbital theories of chemistry are elementary for the Model III.
114
What’s Up and When
Adron D Lilly Jr.
A program that turns casual skywatchers into celestial experts.
136
Life with the Model II
David G Faske
From office management to population management.
148
Physically Astronomycal
Sam Conviser
Learn about physics while you tour the stars.
186
The Biobox
J. J. Barbarello
Monitor and control stress and tension with this Model II biofeedback interface.
196
Directory of Software Manufacturers and Distributors
 
Everyone who’se anyone in the TRS-80 software world.

Articles

Page
Article
Author
Description

Game

Page
Article
Author
Description
244
In Search Of …
James Blatt
Hide words in diabolical puzzles and frustrate your friends.

Hardware

Page
Article
Author
Description
126
Using the Model III I/O Bus
James N Cameron
If the Model I’s system expansion port had you stumped, here’s a guide to its Model III improvement.

Review

Page
Article
Author
Description
110
Super Utility Plus 3.1a – The Jaws of Life
William D. Allen
New features and more raw power mark the newest SU+.
160
DOSPLUS 3.5
John B Harrell III
Micro-Systems Software takes another few steps beyond TRSDOS.

Science

Page
Article
Author
Description
236
Brief Exposures
Brian Durell
How’s your short-term memory? A tachistoscope program to test your perceptions.
256
Catching Rays
Smith Harris
Calculate attitude and azimuth to find the sun’s exact position.

Technique

Page
Article
Author
Description
172
Sorting in Place
George Reardon
What to do when there’s no room for a random-access disk file.

Tutorial

Page
Article
Author
Description
120
Meet the MC6800
John Edward Crew
A look at the Model 16 CPU’s features for Assembly programmers.
234
Making Hay with Arrays
Karl Townsend
Random access without disk drives.

Utility

Page
Article
Author
Description
252
DATATP
Jeff W. Collins
A hybrid Basic and Assembly listing to simplify tape data handling.

Departments

Page
Article
Author
Description
6
Side Tracks
Eric Maloney
Copyright, piracy, and the TRS-80 market.
8
Proof Notes
 
Science for the micro masses.
10
Input
 
Speeding up Andreassen’s chipher. CoCo Robot Reader. Z80 versus 68000. Who is Suzuki Hayashki? Structured Basic debate. Scripsit and Pencil Plus patches. Logo computations. Playing Pascal cribbage. Comal.
20
Aid
 
Missing issues. Model I Vidtex wanted. Law enforcement assistance. Graftrax chip. Stringy editor/assembler.
22
Debug
 
Fixing Strip Blackjack and Profile File Transfer.
24
The Next Step
Hardin Brothers
Restoring June’s Model III Restore Patch.
36
The Color Key
Scott Norman
Indulging a passion for mathematics.
44
Suite 16
Dan Keen and Dave Dischert
The faster master oscillator.
48
Reviews
 
Library Support Option. TRS-80 Pascal 2.0. Newbasic. Kuzel II/12/16 games. Guide to WordStar. Mannesmann Tally MT160. Typitall 1.2. TRS-80 Data Communications Systems. Project Manager. Clean Slate. Power-DOT
87
Review Digest
 
What they’re saying about TRS-80 Products.
88
Calendar
 
266
C*Notes
 
Mighty Write, the I Ching, job estimate, grocery list, and Cram 100 – print formatting, business, a game, and the Book of Changes for Model 100 buffs.
286
News
 
Texas Instrument’s crash and the industry outlook. Microsoft joins Japan. Anti-copy lawsuit. Computer store survey. A networking standard. School micro update. Roger Moore. Free word processor.
302
Reload 80
Amee Eisnenberg
UTerm and memory error messages.
304
Copernica Mathematica
Bruce Powel Douglass
Human and machine vision systems.
314
Fun House
Richard Ramella
Learn Spanish, states and provinces, and the times table.
316
Young Programmer’s Contest
 
This should be even bigger than last years’x.
324
The Gamer’s Cafe
Rodney Gambicus and Charles C. Edwards
A Florida condo and the Temple of Apshai.
330
Feedback Loop
Terry Kepner
Questions, answers, and occasional opinions.
340
New Products
 
Olivetti paper guide. Manager DBMS. Standby power. Daisy M45 printer. Datalock for CP/M. Color Scribe. printout basket. Xidex premium disks. The Buffer Box. MITE communications program. Clean your printwheel. Real Estate Analysis. Beeper T-shirts. SuperSoft C.

80 Microcomputing – Volume 46 – November, 1983

Volume: # 46
Date: November 1983
Load-80: Yes
Pages: 340

Table of Contents:

Features

Page
Article
Author
Description
94
Hello Bar Codes, Goodbye Keyboard?
Hermes S Mendez
Optical scanning for accurate data entry – grocery stores are only the beginning.
104
Bars and Stripes Forever
Davey S Thornton
A look at industrial bar codes, with three popular styles for your Model III and Epson MX-80
114
Check-Out UPC’s
Davey S Thornton
Print out UPC codes with you Model III and MX-80
128
Decoding Bar Codes
Robert S Craft and Richard G. Bepiat
Not only can your III print bar codes, it can read them with these DOSPLUS 3.5 programs for RS-232 data transmission.
140
Graftrax Art Palette
Franis S Kalinowski
Your Model I/III and an Epson can team for full-color printouts
212
Using Unix-Xenix – Part I
James Hawkes
First of a series on the 16-bit multi-user standard.
216
Real World Control – Part I
David Englehardt
Make your Model III into a home safety watchdog.
296
Cafe Expressor
The Gamer’s Cafe
One-line games that astounded the judges.

Articles

Page
Article
Author
Description

Business

Page
Article
Author
Description
242
Straddle the Market
John Bell
Challenge Wall Street with this introduction to stock options.

Games

Page
Article
Author
Description
244
Depth Charge
L. B. Cebik
Destroy underseas bases in under 2K RAM
256
Prime Mission
Jeffrey O Fisher
If you hated prime numbers in math class, here’s your chance to get even

Review

Page
Article
Author
Description
176
Data-base Duo
Wynne Keller
Reader’s Digests’s ListMaker and SofTrends’ Promise!: two in-memory DBMS programs for fast fliers.

Technique

Page
Article
Author
Description
234
Scrambled Alphabets: Cryptology – Part V
Karl Andressen
Instead of changing letters, our cryptologist turns his hand to rearranging them.

Tutorial

Page
Article
Author
Description
238
Basic, Faster and Readable – Part III
John Corbani
Save time by speeding up Basic loops.

Utilities

Page
Article
Author
Description
186
Space Maker
Jim Barbarello
Spread out Model II/12/16 Basic listings for easy reading
202
Color Correction
Danley E Christensen
A test pattern program for accurate color reproduction
204
Make Your Word(s) Count
Charles Knight
How long is that Scripsit file? Now you can know in words instead of characters
238
REM Remover
Charles R Perelman
Take back your remarks to save Model II disk space
248
Extend Radio Shack’s Editor/Assembler
Robert J Fleck
Check your object code while using EDTASM.
260
Directory Assistance
 
A cure for vanishing II/12/16 disk directories.

Departments

Page
Article
Author
Description
6
Side Tracks
Eric Maloney
Whie the Big Four are the Big Four.
8
Proof Notes
 
How to catch bar code fever.
12
Input
 
Tandy’s cash registers. Reviewer and designer discuss TRSDOS 6.0. CRT reassurance. Fixing Model I displays. Kepner on piracy. STAR-DOS defense. AIDS-III addenda.
20
Glossary
 
22
Aid
 
CoCo RTTY wanted. Can you convert Profile to Profile II Plus? Model I RSCOBOL expansion.
24
Debug
 
Tidying up Pascal, ending “La Plume de Ma Tante,” and completing Model II Casino.
26
The Next Step
Hardin Brothers
Don’t forget variables and arrays.
36
The Color Key
Scott Norman
Virtual disk programs for 64K cassette users.
44
Reviews
 
Tandy’s PC-4. The Banner Machine. LDOS utilities. Gridstar. DMP-2100 printer. TRSDOS Speed-Up Kit. Finger Print. Quill. Softcomm. Benchmark. Draw and Kwikdraw. Electronically Speaking. Games at a Glace.
89
Review Digest
 
Other’s opinions of TRS-80 products.
264
C Notes
 
A portable bonanza: Nag Analysis, songwriter’s aid, robot control, daily numbers, and Model 100 correspondence.
277
Calendar
 
278
News
 
Revised Radio Shack management: an exclusive interview. Continued micro Industry chaos. Oklahoma modernblues. A different kind of terminal package. Radio Basic. Comptuer haute coutre.
294
The Gamer’s Cafe
Rodney Gambicus
Reunion In Baltimore and a Silver sibling.
299
Young Programmer’s Contest
 
Last call to send in your masterpiece.
300
Fun House
Richard Ramella
Basic animation: growing trees and playing games.
310
Feedback Loop
Terry Kepner
Expert answers to techie questions.
322
Reload 80
Amee Eisenberg
Now Load 80 speaks both source and object.
324
New Products
 
Model III/4 Pascal graphics. RSM3 monitor. II/12/16 Profile transfer. DOSPLUS IV. Using Scripsit. DBLTalk for CompuServe. Surge Sponge. PowerMail Plus. The Circuit Judge. RS-232 Analyzer. New Tandy printer. WordStar for LDOS. Strap your 100.

80 Microcomputing – Volume 47 – December, 1983

Volume: # 47
Date: December 1983
Load-80: Yes
Pages: 342

Table of Contents:

Features

Page
Article
Author
Description
74
Assembly Language Made Simple – Part I
Hardin Brothers
The first step to writing Assembly programs: Learn how the Z80 processes instructions.
78
Making Sense of Those Crazy Numbers
Amee Aisenberg
Binary and hexadecimal explained
88
Assembly-Language Disk I/O
David G Haan
Write efficient programs by masterin Assembly’s I/O techniques
110
Finding the Search Solution
Joseph E Trojak
Search text files fast with the state of the art in signature screening.
116
Assembly-Language Shortcuts – Part II
Bob Bowker
How to handle the stack, plus a reassuring look at logarithms.
122
CP/M III Ways
Terry Kepner
CP/M 2.2 boards; three ways to expand your Model III’s software library.
132
Protected Tape Programs
Dan Robinson
Two anti-copy routines to foil cassette predicators.
140
Channels of Communication
Dan Keen and Dave Dischert
A satellite dish can bring you over 140 TV stations. Here’s how to assess your location and aim your antenna.

Articles

Page
Article
Author
Description

Hardware

Page
Article
Author
Description
152
Real-World Control – Part II
David L Engelhardt
Connecting Part I’s hardware to let your Model III run household appliances.

Review

Page
Article
Author
Description
146
A Modem Sampler
R A Langevin
UDS’ 212A/D and Novation’s J-Cat and Smart Cat: One of them should suit your direct-connect needs.

Tutorial

Page
Article
Author
Description
174
Basic, Faster and Readable – Part IV
John Corbani
Making variables work for you.

Utility

Page
Article
Author
Description
170
Chameleon Code
Bradley Murray
From Assembly to Basic in the blink of an eye.
177
Take It Off
David L Engelhardt
Crack TRSDOS 6.0’s password to erase utilities and clear disk space.
179
The Password Is …
David Lantis
Discover the password of a protected Model 4 file.

Departments

Page
Article
Author
Description
6
Side Tracks
Eric Maloney
The so-called computer revolution.
8
Proof Notes
 
Assembly lanuage without fear.
12
Input
 
MaxiStat is now StatPac. DMP200, LPVII printer patches. Separate Model I and III programs. Save AIDS-III disk space. Maze Chase PEEK. Speed up Model 4’s Mod III mode. TRSDOS 6.0 shortcomings.
18
Aid
 
Readers in need
20
Debug
 
Talking to big guys, Black Friday, and Breakout.
22
The Next Step
Hardin Brothers
Keep an eye on variable values
30
The Color Key
 
One last look at the world of CoCo software.
36
Suite 16
Dan Keen and Dave Dischert
Multiple multi-user systems: Arcnet and Xenix.
38
Reviews
 
The Statistician. Newbasic 2.1. Four Model 100 games. CP/M from Omikron. MicroSpooler. Monty Plays Scrabble. Businesspack +. Instant Assembler. Using Scripsit.
232
C Notes
 
For serious Model 100 owners: a memory map. basic tokens, do-it-yourself modem cable, and program length counter. For frivolous Model 100 owners: blackjack
251
RAM Files
 
Monitor 100 and Foxfighter fixes. Calculator program
254
News
 
The Model 100 gets a 14,000-mile road test. Apple/Franklin lawsuit and ROM copyright. Christmas shopping for micros. Small business automation. Magic/L challenges Basic. Hegel versus videotex.
268
The Gamer’s Cafe
Rodney Gambicus
From Rodney’s “Misc.” disk.
274
Fun House
Richard Ramella
Santa and Leon host the Fun House Christmas pageant.
280
Feedback Loop
Terry Kepner
Reader’s questions answered
292
Reload 80
Amee Eisenberg
CRC errors: when disks lose control.
296
New Products
 
Plantrac. Floppy Pockettes. Minuteman. Programmer’s Pipeline. Infidel. Micro Matrix II. Dancing Sailors. Volksmodem. Paperwork. Brainstormer. Video Filters. RamPak. Surface Plot. Byte Bat.

80 Microcomputing – 1983 Special Anniversary Issue

Volume: N/A
Date: 1983
Load-80: Yes
Pages: ??

Table of Contents:

Happy, Happy Birthday 80

Page
Article
Author
Description
8
Proof Notes
 
The editors look at three years of 80 Micro.
12
A Look Back
David Lien
Remembrance of things past and ruminations on things to come.

Know Your System

Page
Article
Author
Description
16
Assembly-Language Primer
Bill Barden, Jr
Bored by Basic, but unsure about taking the plunge to Assembly language? Bill Barden may give you just the encourangement you need.
28
Word Processing Guide
Dan Robinson
Word processors ease the task of producing letters and manuscripts, but you must find one that fits your system and your needs.
32
The Data Base Explained
Wynne Keller
Introduction to data bases-everything you need to know explained in plain English.
40
Insure Your Computer
Thomas McDowell
Remember to purchase insurance for your computer. You’ll need it when lightning strikes!
44
Disk Mysteries Revealed
Michael F Morra
Debating on whether toupgrade to a disk system or keep your faithful cassette player? If you have any doubts, read this article.
50
Binary Breakout
Richard E Esposito
Now you can understand the language of your Model I, III or Color Computer. It’s simple.
56
Nine Programming Tricks
David D Busch
Try these shortcuts for faster Basic programming-easier backups, macro commands, renumbering, cross-referencing, and block moves.
60
The Sum of Its Parts
Spencer Weersing
Acquiring proficiency at writing a Basic program requires first thinking through the program and then outlining the needed steps.
70
Linear Programming
David Clapp
This method is usually used by mainframes to solve complex problems. Dr. Clapp gives a simple demonstration so you can use it, too.
78
Model III Relative Files
Andrew Rucks
The drawbacks of direct access files can be overcome by using relative files accessed by the scatter technique.
82
Towards Better Programming
John T Blair
Improve your programming technique by applying these straightforward methods-Program Development Languag eand the scientific Method.

Model I/III

Page
Article
Author
Description
96
NODOS80
Thomas Quindry
Who says cassette users can’t have some of the features of disk operating sytems? It certainly isn’t Tom Quindry or 80 Micro.
128
Storm Tracker
Charles C Williams
Forecast the landfall coordinates of an oncoming tropical storm or hurricane to see how much danger the storm poses to you.
130
6502 to Z80, Bit by But
David S Peckett
If you’ve. ever wanted to convert those 6502 Assembly language programs to run on a Z80 computer, here’s a piece on how it’s done.
144
Super Spooler
Ron Balewski
Here is a solution to the problem of being unable to use your computer while it is printing.
148
Election
Robert Jacobs
Election teaches students about campaigning by introducing them to several facets of elections such as budgets and stands on issues.
156
To Boldly Go …
Joey Robichaux
A unique application for your microcomputer, this menu-driven Basic package will help amateur astronomers and other stargazers.
164
Datascope
Dennis Ridgway
Like an oscilloscope for software, Datascope reads data bit by bit, letting you recover data from glitched tapes or see data on tape.
176
Pick a Card …
Norman Efroymson
This program won’t pull a rabbit out of a hat, but it will amaze and puzle your friends.
178
AND.. .OR.. .NOT
Jeffrey Myers
Boolean logic is a powerful programming tool. Here’s how it works and what it’s used for.
186
Permanent Sound
Richard C McGawey
Avoid cluttering your work space with wires and cables and install this internal sound mod.
190
Android Picture Gallery
Mike Cook
Here’s a new game for you! It seems that there are no humanoids left on the planet Rehabul. Who will take over dusting the art gallery?
196
Using DEFFN
Ralph Rideout
The DEFFN statement lets you create your own functions. Using it simplifies programming and saves memory.
200
Categories
Glenn Collura
Categories is playable without a Computer, but this program adds new dimensions to the game.
208
Number Your Program Listings
Joe Edwards
It’s much easier to handle those long, long program listings when they are numbered.
213
Brainstorm
Richard Ramella
This game challenges you with number sequences, just like the IQ tests YOU took in school.
216
More Memory for Peanuts
James Schaeler
Adding memory to your Model III is not as hard as it seems, so don’t be intimidated. But remember, you may void your warranty.
220
Fast Tape Operating System
Michael Pollard
FTOS lets you use disk commands to increase the speed of storage time in your cassette system.
228
The Glamour of Grammar
George Stone
So your students don’t appreciate the finer points of grammar? This program will let them learn the rules and have fun at the same time.
238
Avoid the Danger of Dirty Disks
David Grimes
Keeping a disk system clean has never been easy.
240
Making Labels
William Nelson
Producing custom labels has never been easier. Written in Basic, the program can easily be modified to work with just about any printer.
244
Two-Person Space Bomber
Dale Chermak
In Space Bomber, one player defends his planet from bombs being dropped by his opponent.
253
Dual-Voice Music Synthesizer
Lee Morgenstern
Those of you who are bored with your computer playing only one note at a time can learn how to get multiple notes through software.
264
Flexcat, Your Basic DBM
Lawrence A Terre
Wouldn’t it be nice to use one database manager for all your filing and retrieval needs? Flexcat fits the bill.
274
Math Hangman
Tim Knight
Math Hangman is a game that entertains you as it helps you develop your mathematical skills.
278
Smartcat
Irwin Rappaport
The Lynx modem and Emterm software make an impressive cormmunications package. Smartcat makes this combination even more powerful.
284
Long, Long Division
David Cecil
Teach your kids (or yourself) long division. Your Model I makes a good patient tutor.
288
Almazar I
Winston Llamas
Visit the 72 rooms of Almazar Part I, collect the treasure, and reach the next dimension.
298
Rapid Random Access
Karl Townsend
Find specific records quickly, even if your files contain 5,000 or even 10.000 records.
300
Aulo Dial/Auto Answer
Alan Moyer
This addition to your modem will make your computer answer and dial your phone automatically.
306
Fly Like an Eagle
Ian Corm
This simulation of a sailplane race can show you the excitement of being at the controls.
316
Catalog Your Files
Jane Goodale
You need not hassle with filespecs any longer. Instead, install this cataloging routine in programs that maintain sequential filespecs.
320
Directory Information, Please
Charles Knight
No disk directory can suit everyone’s needs. But this one, written for LDOS, has enough flexibility to be adapted with relative ease.
326
Tiger Graphics
Dan Robinson
The IDS Paper Tiger is an excellent graphics printer. Here are some graphics techniques in Assembly language. Basic, and Pascal.
566
Cobol on Your 80
Sam Perry
Learning a new computer language can be a long tedious process, but this article leads you painlessly into the confusing world of Cobol.
392
Disk Tiny Pascal
David M Silver
Did you have to abandon all your cassette-based Tiny Pascal programs when you upgraded to a disk system? David’s got the answer.
398
Reload 80
Art Huston
A primer on how to use this shortcut to getting the most out of this issue of 80 Mlcro.

Color Computer

Page
Article
Author
Description
408
Teach Your CC New Words
Allen Curtis
Add commands, statements, and functions to Color Basic and gain more computing power.
416
Games in Color
Robert Toscali
These games for the Color Computer will test you, amuse you, and frustate your friends!
427
3-D for Real
Dennis Bathory Kitsz
Until now, 3-D has been a misnomer for CC graphics. Out CC expert has done the groundwork for real 3-D. It’ll come out and grab you!
436
Something-or-Other 3-D
Jake Commander
With rgeat perseverence, Jake Commander has come up with this steroscopic 3-D program that features a rotating cube in two colors.
440
Solitary Maneuvers
James Wood
In this follow-up to Colorful Maneuvers, the computer is the opponent.
442
Colorful Language Instruction
Alan F Lacy and David Gorden
The Color Computer can be a useful tool in language instruction. Here’s a graphic depiction of how the mouth makes certain sounds.
469
High-Hes Alphanumerics for the Color Computer
Scott Norman
Make up your own character sets in high resolution on a TRS-80 Color Computer with 16K.
472
Teach Your Computer to Talk
Richard Seymour
What will your Color Computer’s first words be? Here’s a step-by-step method in Assembly languageto get vou and vour CC speaking.
478
Five Games for 4K
James Wood
Don’t despair if your Color Computer has only 4K of memory; you can still play graphics games.
482
Reconcile with Color
David Dacus
Organize your checkbook and reconcile bank statements with this Color Computer program.
486
Expanded Color Capabilities
James Wood
The Color Computer can now display green, blue, red, and black on the screen at one time.

Index

Page
Article
Author
Description
488
80 Index, 1980-1982
 
80 Micro has published hundreds of articlesand reviews in the past three years. Here’s a list of them.
400
Load 80 Index
 
Here’s a handy list of all programs on Load 80.
526
User Groups
 
Want to find theclubs in your area? Check this out.

Model II

Page
Article
Author
Description
530
The Art of Encoding and Decoding
Karl Andreassen
If you would like to keep private correspondence private, this program is for you.
536
BRKSEL
Jim Barbarello
What could be worse than accidentally pressing the break key when running a Basic program on your Model II? Worry no more by disabling break using Debug.
538
Model II Business Bar Graphs
Richard Harkness
Your Model II can produce bar graphs like those the Models I and III generate.
546
Mod II Disk Index
Charles R Perelman
Indexing your Model II disks will eliminate confusion the next time you look for a program.
554
Compress, Mod II Style
Charles R Wood
Are your Model II programs too long? This program takes out spaces and remarks.
558
Take a Letter
James Barbarello
Draw large block letters using regular size letters, any printer, and a Model II.
564
Investment Advisor
Charles R Perelman
Determine the profit margin of an investment by computing its internal rate of return.

Peripherals

Page
Article
Author
Description
572
How to Buy a Printer
Jim Hansen
Epson, IDS. Okidata, NEC-which do you choose?Jim Hansen is an industry insider who can give you good advice when printer shopping.
578
Suppress Those Demon Transients
G Michael Vose
Transients. surges, power outages. and the like can destroy data and damage your hardware.
582
Into the 232
Howard Miller
Ever wonder about the RS-232 port on the back of your micro? Just how does it receive and send data? Stay tuned. Howard’s got the scoop.
586
Ribbon Rewind
Dan Keen and Dave Discherl
Save money by rewinding muitistrike carbon ribbons for your daisywheel printer.
588
Homebrew Green Screen
James Conroy
So you want to add a filter to your video screen, but you think they are too expensive? Follow these directions and build your own.
590
Coping with Cassettes
Richard Whitney
You will peacefully co-exist with your casselle recorder if you follow these tips and perform these maintenance procedures.
592
Ultimale Joystick Interface
Donald E Michel and Art May
This joystick interface is not only cheap, it is easy to buiid and program for.

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