Ira Goldklang's TRS-80 Revived Site: 80 Microcomputing

80 Microcomputing - Volume 36 - January, 1983

Features
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
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	Phillip 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
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

Features
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
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
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	Robert Nicholas and Philip MartelDrive	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
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
03/83

Load-80
Yes

Features
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 $5? That's what author Brewer describes how to build. It's easy to do and an Assembly bootstrap-loader is included.
124	Your First Hardware Project	Jeff DeTray	Want to get your hands dirty with some hardware construction? Here's an easy starter project.
156	Hardware Hacker's Tool Kit	Jeff DeTray	Take this helpful advice on compiling the essential tools to start your career as a TRS-80 hacker
298	Do-It-Yourself Computer	John D. Chipman	The LNW-80 is a versatile and inexpensive upgrade from a Model I, if you are handry with a soldering iron and have some patience.
342	Real World, It's About Time!	David Engelhardt	Yes, you can use your micro for something other than games! In this article you will find out how to devise a clock that keeps real time.
Articles
Business
136	Inside AIDS-III	Robert A. Fiorelli	AIDS - It won the Reader's Choice award in January. Now you'll be able to see for yourself why it has become such a popular program.
246	Build a Better Budget	D. S. Kemball-Cook	The down and across grind becomes passe when you've got an 80.
276	Reservation Cancellation	Arthur J. Welcher	An 80 makes a travel agent's work easy.
354	Chart Maker	Stuart Ring	A bar graph to help you bring those figures into focus.
Communications
280	Compac	Brian Cameron and Dan Gould	This communications package lets you "talk" to other computers, transferring programs between micros, minis, or even time-sharing mainframes.
Education
236	B$ 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
218	Time Warp	Russ Hildreth	Destroy all the Time Gates
326	Turret	Adam Finkelstein	Pit your skill against an oncoming invader.
Graphics
164	PRINT@ Graphics	Francis S. Kalinowski	Use these demonstration listings to produce graphics and improve your programming skills.
Home Hobby
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
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
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
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
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
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
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
04/83

Load-80
Yes

Features
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
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
Games
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
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
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
300	The Murphy Box	Sam Conviser	When your acoustic couple gives you trouble, use this device to diagnose the problem.
Review
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
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
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
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

Features
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
Business
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
320	Billy and the Electric Troll	Victor T. Albino	Let these creatures teach your child number patterns.
Games
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
324	Monkey Business	David Busch	For those readers who miss the daring new products from the zany crew from Sri Lanka ...
Graphics
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
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
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
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
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
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
06/83

Load-80
Yes

Features
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
Games
296	Bustout	Terry Hague	Are you looking for games for your Color Computer? Here's one that really tests your skills.
Graphics
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
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
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
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
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
110	Color Sketchpad	Larry Colle	By using your keyboard to draw, you can avoid the drugery of designing graphics
Utilities
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
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
07/83

Load-80
Yes

Features
78	La Plume de Ma Tante	Philip Martei 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
Business
240	Service with a Smile	James H. Nestor	Lean Basic programming and keep custom records up-to-date.
General
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
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
122	The Max-80	R. A. Langevin	Lobo's Max-80 provides CP/M capabilities and is compatible with most software
Technique
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
208	Mod II CRT Controller	Steven and Yvonne Grant	Program the Model II's MC6845 chip and control up to 16 screen functions
Utilities
290	Profile File Transfer	John Mabry	Use this easy Basic program to put Profile data in new files.
C Notes
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
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
08/83

Load-80
Yes

Features
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
Games
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
138	Software Buyer's Guide: Model II/12/16 Games		The most fun you can have in the office.
Review
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
124	My Foe Flicker	Joseph Dihopolsky	Keep your electron gun on target and eliminate the flicker that plagues Model III animation.
C Notes
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
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
09/83

Load-80
Yes

Features
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
Business
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
208	The Artful Plotter	Jerry O'Dell	The Radio Shack plotter/printer struts its stuff.
Hardware
272	Portable Word Processor	Thomas Hartmann	The Sony Typecorder and your Model III make a powerful combination for writing on the run.
Review
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
116	Saving Strings	David M. Keil	Even the fastest typist can't outrun this INKEY$
Tutorial
216	Aid for AIDS-II	Amee Eisenberg	Getting the most from the March issue's data base manager.
Utility
268	Mod II File Transfer Utility	J. H. Nestor	Tell your micro to move files, then leave while the work gets done.
Departments
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
10/83

Load-80
Yes

Features
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
Game
244	In Search Of ...	James Blatt	Hide words in diabolical puzzles and frustrate your friends.
Hardware
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
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
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
172	Sorting in Place	George Reardon	What to do when there's no room for a random-access disk file.
Tutorial
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
252	DATATP	Jeff W. Collins	A hybrid Basic and Assembly listing to simplify tape data handling.
Departments
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	*CNotes**		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

Features
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
Business
242	Straddle the Market	John Bell	Challenge Wall Street with this introduction to stock options.
Games
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
176	Data-base Duo	Wynne Keller	Reader's Digests's ListMaker and SofTrends' Promise!: two in-memory DBMS programs for fast fliers.
Technique
234	Scrambled Alphabets: Cryptology - Part V	Karl Andressen	Instead of changing letters, our cryptologist turns his hand to rearranging them.
Tutorial
238	Basic, Faster and Readable - Part III	John Corbani	Save time by speeding up Basic loops.
Utilities
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
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.

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