80 Microcomputing - Volume 25 - January, 1982

Issue Information: Volume: # 25 Date: January 1982 Load-80: Yes Pages: 404 Table of Contents:         Features 60 Videotext for the Masses Michael Nadeau When computer executives talk about the "Information Revolution," they may be stirring the ashes of Uncle Karl without really knowing it. 66 Terminal Case G Bert Latamore The Canadians have adopted the European approach to videotext-an approach that doesn't always take into account the wants of the proletariat. 80 A Little Pascal, Part II Margaret M. Grothman Readers slightly blue from holding their breath waiting for the followup to Ms. Grothrnan's first piece may at last inhale. 92 Get the Business For those of you who read our November business issue and thirsted for more, imbibe: Dan Keen and Dave Dischert introduce you to Cobol and explain spanning disks on the Model II; Edwin Dethlefsen shows you how your pocket computer can become an investment portfolio; John D. Eaton (*) helps you track the rising cost of materials; Jerry Rutledge (*) makes tabulating survey results easy; and Steven M. Zimmerman and Leo M. Conrad (*) write about manipulating loans. 179 Buyer's Guide to Disk Drives For those of you frustrated by CLOADing for the last time, a potpourri of disk drives from the mini-floppy to Winchester technology. Applications 174 No more 90 Pound Weakling. Guell F. Stevens Charles Atlas In your Pocket Computer. 306 If this is Tuesday, It Must Be ... Walter J. Atkins Happy Birthday from your Pocket Computer Games 265 Martian Missile Attack Charles E Gillen No city on earth is safe! 302 Micro Puzzle Box David Moews A venerable game in a new box. General 140 The Ultimate Parts Manager Bruce W. McCalley For Model T fanatics only. Hardware 172 Do-It-Yourself Disks James S. Schaeller Install Model III internal drives. 244 Digital Doodles Alan Stehmer Build a low cost plotter. 288 Those CLOAD Blues Don Harties How to end them. 294 Double Your Density Allen J. Domuret Without Model I hassles. 316 Model I, Meet Model III Mike Berrow and Jim Brydges Make them kissing kin. Interface 318 The Straight Shooter Thomas C Quindry El Cheapo light pen. Reviews 72 It's a Big, Big Colorful World Howard Berenbon . . .when you hook your Color Computer into CompuServe 122 The Plot Thickens Dan DeJarnette A look at Radlo Shack's plotter-printer. 126 TASMON Rowland Archer A machine-language monitor. 132 Making Basic a Snapp Rick Lederman An auto map you won't use with your car. 218 What's a TRZ-80? Eric Lindsay No, not another new product from Kitchen Table Software. Technique 190 Alpha Graphics Larry Basch There's no money in these dollar signs, just graphics. 258 Add that Professional Touch Joe C Steelhammer Look like a programmer. Be a programmer. 274 Programmer for Hire Dennis J Gillig Have Computer Will Program 276 The Flasher Everitt Mickey Make that loafer work. 278 Unmasking your Z80 R F Genovese ... with the help of computer interrupts. 290 Using Print Using Chris Rende A lesson in a Basic function Tutorial 310 Ordered Chaos Ken Webb A look at randomness Utility 196 NEATLIST D N Ewart For the Walter Matthaus among us. 200 Array I/O Norman Neff Fast data transfer of BASIC data. 204 Add CRC ASAP Roxton Baker Cyclical Redundancy Code for Tape 217 Does FORMAT get your BACKUP? W. D. Hart Stop raising your hackles over glitched disks. 224 Fill In The Blanks Robert Schuldenfrai Pack your records before committing them to tape. 230 Another Major Operation on Scripsit Lynn W Graves Grafting it to a printer 240 Tape Spate Bill Bowman Save and Recover. 304 Lost in Basic Mark C. Paxton Variables are where you find them. Departments 6 Proof Notes 8 Remarks Wayne Green 10 80 Input 28 80 Accounting Michael Tannenbaum 30 Soft Bits Roger Fuller 36 Reviews 52 Exclusive Oracle Dennis Kitsz 56 Kitchen Table Software David Busch 326 News 342 80 Applications Dennis Kitsz 364 Education 80 Earl R Savage 366 Notes From Beneath the Keuboard Paul Weiner 376 Input/Output Jim Keogh 382 New Products 391 Calendar 392 Reload 80 403 Reader Service

80 Microcomputing - Volume 26 - February, 1982

Issue Information: Volume: # 26 Date: February 1982 Load-80: Yes Pages: 374 Table of Contents:         Features 53 The Future in Miniature John P. Mello Jr. Micros are becoming more pervasive in the nation's schools. What does the silicon classroom mean to the future of education? Some observers see bright skies on the horizon, but other forecasters see ominous consequences in today's trends. 60 Anything Jodi Can Do. Jodi Tallman When nine and a half year-old author Tailman was getting bored because her mom was on vacation, she decided she'd show her dad she could write a computer program and make money by writing an article. 94 A Look at the Future-Education and Computers James Edward Keogh Most educators recognize the power of microcomputers, but unless educational software is carefully designed with an eye on life in the typical classroom, micros can become a center of frustration. 128 Making More Possible Kenny Leichtman For the physically handicapped the computer is new hope, new independence and new opportunity toward lessening the gap between what they can and cannot achieve. 226 Four Into One Will Go-Part I Jim Hawkes and Grady R. Reese No, you don't need a new kind of math to achieve this feat of prestidigitation. Just a few lessons on cramming and the 1K of unassigned memory in your CPU. Business 238 The Trade Wins Adam and Mark Finkelslein Stock market simulation. 268 The Profit Prognosticator R.B. Nottingham Calculating the cornerstone of management. Education 68 An ‘80 In the Apple Stephen Radln Where there's a will there's a way. 70 Computer Etch-A-Sketch Thomas W. Mustico Fast graphics in the classroom. 82 To Comma or Not to Comma John D. Perron So It won't be a question mark. 100 Roll Call! Michael M.T. Henderson Where's Johnny now? 104 Put Them to the Test Barry Davis Making exams easy. 112 Extra-Terrestrial Thomas A. Wells Everything you ever wanted to know about this solar system. 116 Learning the Elements James W. Wood Enter the Great High School Chemistry Hero. 120 Earth to Class, Listen Up! Madeline Fish Networking in the classroom. 162 RS8-0Tay iysay Hahray? Jerold M. Stratton Speaking In Tongues. 192 The Ten Key Tutor Mel Knoyle A program that programs you. 202 Colorful Titrations James W. Wood Avoid getting your feet wet. 256 Elementary, My Dear Primate. Richard C. Vanderburgh Don't let this program make a monkey of you. Game 166 Tumblin' Dice Ronald H. Bobo A mind boggler. 232 Kings and Catapults William C. Adams A game of siege. General 126 Battery Backup Howard F. Batie Make your own mayday. 186 Two Transfers Please Bettye Hollins Eliza and Micromusic make it to disk. 196 Dream Team Dennis Wangsness Your computer can make all the pieces fit together. 200 Mod III Notes John Ratzlaff On loading cassettes. 210 The Bemusing Triangle C. Brian Honess If Pythagoras only had a TRS-80. 220 Can You Get Me A Date? John T. Phlllipp . . .and bachelor number three is.. 240 Performance Analysis C.H. Ballard A technique for tracking execution. 250 Print Whiz John A Parker Getting the most from Electric Pencil and Line Printer IV Graphics 194 The Random Picture Generator James A. Swarts Graphic Entropy. Hardware 184 Networking on a Shoestring. Donald R. Melnke The $100 net Technique 204 Polar Generator Ken Webb Fast graphics bring you to the top of the world. Review 148 Model II Compiler Basic Larry Clark Trouble for Tandy? 152 The New NEWDOS/80 Paul R Prescott Better than ever. 164 Radio Shack's Compiler Basic Richard G. McGarvey For the Model I and III 172 The Microsoft Macro Assembler G. Gratzer Speed up writing machine language. 180 The SK-2 Clock Modification Kit C.H. Ballard More MHz for your Z80. 222 Model II Scripsit Richard Harkness Tandy enters the Big Leagues. 254 Centronics 737 Arthur J. Welcher Excellent with beautiful features. Tutorial 248 Tab Extender David C. Hedlnger Pick up some more with this program Utility 260 Error Code Expanded Roger C. Alford Off those irritating abbreviations. 262 Lots of Little Letters to Line Your Listings. John R. Olsen. Jr. Dealing with life before lowercase. 264 As The Screen Scrolls M. Keller Keep column headings from going over the edge of night. 272 Snapshot Robert Rice When trace isn't enough. Departments 6 Proof Notes 8 Remarks Wayne Green 14 80 Input 30 80 Accountant Michael Tannenbaum 36 Soft Bits Roger Fuller 40 Exclusive ORacle Dennis Kitsz 48 Kitchen David Busch 290 Reader Service 294 News 300 Reload 80 310 Reviews 330 80 Applications Dennis Kitsz 344 New Products 354 Education 80 Earl R Savage 356 Money DOS J M Keynes 358 Input/Output James Edward Keogh 362 Copernica Mathematica Bruce Douglass 370 Calendar

80 Microcomputing - Volume 27 - March, 1982

Issue Information: Volume: # 27 Date: March 1982 Load-80: Yes Pages: 406 Table of Contents:         Features 78 The Editors Choice Jake Commander and Kalvos Gesamte Brace yourself to be wowed when two of our editors team up to create some graphics to dazzle the eye. 84 Where There's a Will. . . Shawn A McClenahan When told a Color Computer, printer, and CompuServe don't mix, this author was determined to do it. 90 Color Reversi Anthony M. Ledger Creating a Color Computer version of Othello was going to be a simple little project for Tony Ledger, but he soon discovered it wasn't as simple and little as he thought. 112 Mirror Imagining Bob Boothe As long as Bob has been plotting surfaces, he's wanted to create a decent sphere. At last he has and now you can, too. 142 Is a Rose in Color Still a Rose? Roy Green After seeing what Bob Boothe did in black and white, this author thought it would look twice as good in color. 162 Jake’s Wampeters John P. Mello Jr. There's been an ironic symmetry in the wacky life of 80 Micro’s affable Englishman, an irony echoing a Vonnegut novel. Applications 152 Priming the Data Base Stuart F. Ring Easy find for sequential files. 176 Tax Relief for the Rich Charles R. Perelman Manipulating the new estate tax law. 210 CC-Color Computer or Chamber of Commerce? Richard S. Adcock Business can be colorful. Education 184 Grade Book B. E. Pugsiey Put it in your computer. 330 You Light Up My Life James W. Wood Teaching light theory. 106 Subchaseri John Stelner The enemy below on your Color Computer. 154 Save All Humans Bob Boothe Shooting flying saucers. 252 Flip A Piece John Cominio Play your computer in Othello. General 168 Radio Shack vs IBM Roger Van Ghent Model II vs 5150. 234 Two Way ANOVA Richard C. Mffiarvey Analysis of variance. 298 Broadening The TRS-80 Horizon David D Busch A change of heart 308 When the Postman Doesn't Even Ring Once Robert E. Averill Mail order disorder. Graphics 138 3-D Graphics Eric Fogelin Geometric shapes in 4K. 240 Color From a Model III Paul T. Ward and Roit A. Deininger If you have a digital plotter. 258 Shady Characters Richard Ramella Draw silhouettes on your 80. 270 Paper Graphics Jay F Rosenberg On a Line Printer IV. 280 Pictures at a Model II Exhibition Jesse W. Baker Have fun on this 80, too. 294 When Black Is White Thomas W. Tache Drop-out graphics. Hardware 102 Color Computer Upgrade Brian Murphy From 4K to 16K. 126 Smarten Up, Color Computer! Richard Esposito and Bertram A. Thiel Adding 16K of RAM. 156 RAM Wars Shewn A. McClenahan Piggyback RAM chips. 172 Building an M-80 James Hawhes and Grady Reese Or a single-board micro. 206 Hydra-Disk Matt Robins Two heads are better than one. 242 The Joy of Interfacing Howard Batie Building joysticks. 290 Video Snow Shovel Brian Smith Or a plow for your CRT. Technique 230 To Err is ... Okay Richard S. Adcock An error bypass. 304 Smooth Graphics Ronald Goodman Do the software impossible. Tutorial 260 Z80 Bit Tables Herb Robinson Byte off more than you can chew. 314 One-Drive Bulletin Board John Hodgson All on a 5.25. 326 Dizzy Decimals James R. Shore How to handle them. Utility 120 Back to the Drawing Board Irwin Rappaport Beat graphics boredom. 212 COLORMON Douglas R Cook Monitor your color programs. 214 Base 2 Screen printer William S. Kent For the tiger in your printer. 216 Secrets Stephen Mills Program padlock. 284 Graphics for Profile Charles R. Wood A patch for a popular program. 318 Reading, Writing and Assembly Language Patrick Morgan Disk I/O in Assembly. 332 TRSDOS 2.0 Fix Tom Mornlni No exit is a good exit. 336 VariSpeed Bruce Evans Stick shift in your 80. Departments 7 Remarks Wayne Green 10 Proof Notes 12 Input 32 80 Accountant Michael Tannenbaum 36 Soft Bits Roger Fuller 48 Reviews 66 Kitchen Table Software David Busch 70 Notes from Beneath the Keyboard Paul Wiener 338 80 Applications Dennis Kitsz 350 Money DOS J M Keynes 352 Medical Opinion Philip R. Mills, M.D. 358 Copernica Mathematica Bruce Douglass 370 Education 80 Earl R. Savage 372 News 385 Reload 80 386 Calendar 388 New Products 402 Reader Service

80 Microcomputing - Volume 28 - April, 1982

Issue Information: Volume: # 28 Date: April 1982 Load-80: Yes Pages: 406 Table of Contents:         Features 86 Basic Misinterpreter David Busch Speak of the Devil! Dave says he's received such a demand for KT1 products that he thought it would be a good idea to produce ... er ... acquire some. Here is his first offering, an item he says is "a significant technological regression." 112 BIPED Kenny Leichtman In Stamford, CN, American business is owning up to the confidence President Reagan has placed in it to help the disadvantaged, and using computers to do it. 128 Dateline: Sri Lanka John P. Mello Jr. Some observers of the computer scene contend there isNo computer humor, but David Busch doesn't seem to haveNoticed. Our roving jokester takes his eye off the infamous Kitchen Table Inc. to talk about himself. 135 Buyer’s Guide to Utilities Here they are-assemblers, editor/assemblers, monitors, disk zappers, renumberers, tape utilities, file utilities, and m 152 Make Butterflies-Not Bugs Jake Commander So you're aNew kid on the block and your idea of a utility is something you own in Monopoly. Well, Uncle Jake, who has written a few utilities in his day, will help open your eyes and your mind. Business 298 One Twelfth of a Misery James K Krapf Giving the usurer his due. Education 294 Vocabulary Test Paul Kalkstein Cramming – Silicon style. 302 King Komputer Dana B. Allison An end to the reign of the yardstick. Game 222 Computer Repeat Randolph A. Fontenot A test of memory and keyboard dexterity. General 76 Bibliography Paul Secord A little summer reading. 124 ANight on the Town David Gunn Even computersNeed a change of venue. 182 Model II Disassembler Richard L. Faber Modifying Wuebker. 258 Sublime Simulations James E. Keogh How they work. 282 Vexed by the Void Randy M. Resnlck Planet O2 where are you? 328 A Handy, Dandy, Tandy Table R. Gene Langston If you are a carpenter.. .. Hardware 220 A New Generation of Characters Walter C. Park Sr. A lowercase chip in search of an 80. Home/Hobby 270 Bringing the Supermarket to Its Knees J.A. Kraynak Beg for mercy, Mr. Whipple. 274 To Catch a Thief David G Kuhn A program to make cat burglars yowl Review 70 Line Printer VIII Richard Wallace More for $100 less. 82 Line Printer VII James E. McKenna You don't have to shuffle off to Buffalo to get one. 94 Snow Shovel for Your Video Ronald H. Bobo Toro for your tube. 98 Spelling Checker M. M. Finefrock Five spelling checkers compared. 278 Dot Matrix Bargains Harley Dyk The price Is right for this quintet. Technique 254 Model I Do Files Phillip Jackisch and Gordon Knapp For the lazy among us. 290 Worm Pills for Basic Dan Keen and Dave Dischert Syntax doesNot a programmer make. 332 Total Recall J. Gary Bender FORTRANNever forgets. Series 264 Technological Destiny-Part I Gary Dillio Manifest in the silicon sun. Utility 167 BAM! Jeff Byrklt Learn M/L from a 14 year old. 176 Model II Terminal Driver James E. Korenthel CP/M, Cobol and compatibility. 188 Rapid System Loader David C. Hedlnger Machine language loading In the fast lane. 206 LOC-Editor Jon Mark O'Connor Error-trapping homebody. 208 Zubroutines Peter Ashley Run silent, GOSUB. 214 Direct Access. Harold B. Fink Disk routines from Basic with ease. 226 Memory Size? Hugo T. Jackson Read this before you throw your keyboard against the wall. 234 SYSTEMized Basic Greg Browne SAVE SYS FORMAT. 240 Using Test1A Claude T. Moultrle Jr. What Tandy left out. 244 Command Interpreter Roger C. Alford Take a PEEK at your 80’s ML routines. 250 Model III Master Directory Wilbur A. Muehlig Found at last 306 CP80 Brian Cameron A monitor like the big boys. Departments 7 Remarks Wayne Green 10 Proof Notes 12 Input 28 Kitchen Table Software David Busch 32 80 Accountant Michael Tannenbaum 40 Reviews 66 Education 80 Earl R. Savage 338 Reader Service 342 Calendar 246 Soft Bits Roger Fuller 254 News 370 Medical Opinion Phillip R. Mills, M.D. 374 Reload 80 378 Money DOS J.M. Keynes 382 Copernica Mathematica Bruce Douglass 388 New Products

80 Microcomputing - Volume 29 - May, 1982

Issue Information: Volume: # 29 Date: May 1982 Load-80: Yes Pages: 406 Table of Contents:         Features 80 Computer Creationists Jay Rose When film makers want special sounds, they call on sound and video studios like Jay Rose's. And Jay and other studio technicians look to their micros for help in creating special effects more real than real. 88 Spiromania Jake Commander What do you get when you cross a changing angle with a changing radius? According to Commander 80, computerized psychedelca and some sights to dazzle the eye. 98 Celluloid CPUs Michael Nadeau The use of micros for special effects in motion pictures has been widely publicized, but there are other uses for micros in Tinseltown. 106 Programmable Sound Generator Matt Robins If you have a Model I with disk drives, a synthesizer with nine simultaneous voices can be yours for $125. 128 A Little Byte Music Steve Levine Are you in the mood to learn how computers got in the GROOVE? Business 326 Financial Wizard Charles R. Perelman Money Merlin for your Model II. Education 316 Dynamic Item Scheduling L. Benjamin WyckoM Learning by hunches. 332 Time to Make 'em Sweat Robert L. Hawkes Relax while your 80 does your testing. Game 292 Space Chase Charles E. Gillen Highballing in the void. General 142 Programming Pitch Menon L. Davis Your 80 and stereo can make beautiful music together. 164 Fret No More! Edward Louis Guitar chords on your 80. 234 Micro Melodies Kenneth Lee Gibbs Teach your 80 to sing. 258 Out of Thin Error Richard S. Adcock Not Fair, Odd Disease, Runs Good, et al. 264 Two Strokes a Side Michael Avery Handicapping your golf game. 272 Kryha Cipher Machine C. A. Deavours From Union NJ, with love. 280 Model III Biorhythms Linda Anderson Unto each rhythm there is a sine wave. 298 Fore! Scorekeeper Rodger Wells An 80 keeps track of your guest for 80. 318 Computerized Engraving Allan S. Joffe With a Model III-pantograph hookup. 320 Confessions of a Microholic Mike Keller Can't get enough of that silicon wine. 324 Damping Cassette Output Ian R. Sinclair Garbage in may really be garbage-out. Graphics 104 Northern Lights Bert Latamore How a designer's nightmare became a sculptor's dream. 242 A Different Perspective F. Gilbert Nielsen The shadow of your CRT. 282 Super Banner Ron Balewski Say it in sign language Hardware 306 Programmable Baud Rate Hugh Cottle Avoid the homebrewed look. Home/Hobby 238 Home Budgeteer-Reprise Manuel Pablo Play it again, Pablo. 252 Computer Racing Form Ronald H. Bobo Your 80 as tipster. Personality 176 Divine Dementia Michael Nadeau Some call it fate, others Kitsz-met. Review 140 The Philly Phiasco David Gunn Looking for Arthur. 184 C.Itoh 8510 Mike Keller All the ingenuity under the rising sun. 206 LNW-80 Richard L. Brocaw Build your own. 208 Telewriter Scott L. Norman Cadillac for the Color Computer. 216 Snappware Eases Random Access Rick Ledeman Eliminate LSET, RSET, MKS$ and CVI. 218 ACCEL2 and Microsoft's Basic Compiler Dennis Wilkens Parlez-vous machine language? 224 The Memory BOX Jack Decker Add RAM to your I. Series 226 Technological Destiny-Part II Gary Dilllio Data hierarchy, computer history and misconceptions. Technique 302 I Program Therefore ISAM Richard S. Adcock The number-name dichotomy conquered. 322 Gabby the Space Cowbum Richard Rameila When the string breaks on your Chatty Cathy ... Tutorial 260 Model II Primer Jesse W. Baker Read this before you run. Departments 6 Remarks Wayne Green 10 Proof Notes 12 Input 46 Reviews 62 80 Accountant Michael Tannenbaum 68 Soft Bits Roger Fuller 73 Commander 80 Jake Commander 74 Kitchen Table Software David Busch 191 Letter to Subscribers 336 News 354 Reader Service 358 Reload 80 360 Medical Opinion Philip R. Mills, M.D. 366 Exclusive Oracle Dennis Kitsz 370 Notes from Beneath the Keyboard Paul Wiener 382 Moneydos J.M. Keynes 388 Education 80 Earl R. Savage 390 Copernica Mathematica Bruce Douglass 400 Calendar 404 New Products

80 Microcomputing - Volume 30 - June/July, 1982

Issue Information: Volume: # 30 Date: June/July 1982 Load-80: Yes Pages: 458 Table of Contents:         Contents 82 Data Communications-TRS-80 Style Frank J. Derfler, Jr. In a muddle over giving your 80 telecommunications capability? Author Derfler will tell you why you might want data communications for your micro and how you go about doing it. 96 Breaker 19 David D. Busch After getting an eyeful of "Hi there, I'm new! How do you work this, anyway?" on CompuServe's CB simulator, 80 Micro's KT1 Inc. expert thought it was time to explain a few things to a few people. 148 For the Novice-Part I Jay Chidsey If you're new at computing or have been beeping for six months or so, author Chidsey has prepared a six-part series to help you over the rough spots. In this installment, he talks about memory-high and low. 106 Spiromania-Part II Jake Commander In May's 80 Micro, Jake showed you some eyecatching color graphics. Now in a reprise, he'll tell you how to firm up your graphics technique and do some wowing of your own. 100 Ohio Electronic News Experiment Jay Chidsey In the Ohio hamlet of Tiffiny, a small-town paper has entered the micro age. Learn how the staff puts out the video equivalent of a 150-page newspaper every day. Business 248 Survey Roger Wells Telemarketing for your micro. Education 254 CIE-Computers in Education Stephen Radin How everything got up to date in CSD 22. 326 OJT Frank Tymon A program for rolling your own. 352 Do Not Pass James W. Wood Learn road signs with the Color Computer. Game 227 Fortran Puzzler Richard A. Yehle What are the 57th St. Whiz Kids saying? 330 You Light Up My Grid David R. McGiumphy Tic-tac-beep General 184 Print That Index Carl Everett An addendum to Klungle's index 272 Propagation Prediction John D. Chipman For computerists who are HAMS 284 BBS Primer Steve Wright Bulletin boards from the word go 296 Hoodwinking TRSDOS Linda Anderson Model II printing prestidigitation 300 Portal to Portal Report J. M. Keneipp Let your 80 help you play the airline travel incentive game 306 Play a Trick on Profile Bryan Scott PRORAN also runs 320 Program Begat Son of Program Begat . . . Kenneth Christensen and Craig Sater A self-producing program for the mother in your 80. 344 Expand it-Burn it in Colin Alexander 48K easy as pie 348 A Gentle Reminder Jeff Rosen Your 80 can be a tough taskmaster 358 Phonfind Roben Eidridge Sorting business from pleasure Hardware 128 Bare Bones Communicator Bob Hart Skeleton talk from your cassette port 229 Modem Auto-Answer Don Westbrook Hello, Don's away; would you like to speak to his computer? 310 Sixteen Channel AID Board David Haan Building on Fortna's interrupt Mode 1-1/2 374 Singer Printer Interface Don DeJarnette and R. Mailhot Slow, but better than dot matrix. Home/Hobby 160 Telephone Dialer Jim Hickey Lazy fingers Personality 174 Bob Rosen-A Colorful Success Story Kerry Leichtrnan How Connection-80 was born in Woodhaven, NY. Reviews 116 Color Computer Utilities Scott Norman When you want to go beyond Basic programming with your color machine 122 PL/I-80 Thomas W. Parsons Throwing some water on a mainframe witch. 150 Data Base Managers-Part II Wynne Keller Three for the load 162 MMSFORTH Nicholas Spies New power for your 80 262 Dialog Alan Neibauer 55 million records and not a song among them. 266 Extended Color Basic Franklyn D. Miller Explaining its functions 280 Statistical Analyses Analyzed L. H. Zincone Radio Shack vs Ecosoft 338 It's in the Mall Wynne Keller Three software packages for the small businessman. Series 176 Do It Yourself Data Base-Part I Karl Townsend A tape version for 50 records 186 Technological Destiny-Part III Gary Dilllio Easy COMS, easy goes 362 Programming Pitch II Merton L. Davis Correcting a mix-up from last month Technique 298 The STRINGS's the Thing Tim Knight Liberal use can conserve memory 308 The PEEK of its Career C. David Wilson Looking at that function for the Model II. 350 ROM Breakout! J. C. Sprott How to modify the Basic interpreter's functions Tutorial 192 DiGraph Digressions Len Gorney Never get lost again with this path-tracing program 232 Stepwise Refinement B. Boasso Keep your porgrams from looking like a spiral stairacase Utility 172 Half Duplexer Richard C. McGarvey Odeledee -O! 194 Basic Translator Howard E. Miller Transforming dialects of Basic 288 Lost and Found Robert Athanasiou and William Athanasiou Disk directory for the Model III 318 Horizontal Scrolling G. M. Foley When you want more than getting down 324 Basic Communication Richard C. McGarvey A terminal program in a language we all understand. 334 16, 10.2, or 8-Which Base Do We Appreciate? Karl Sarnow Let your 80 run your bases 348 DATAGEN John Heusinkveld Let your Color Computer turn machine code into Basic. Departments 6 Remarks Wayne Green 8 Proof Notes 10 Input 22 Aid 26 Debug 30 80 Accountant Michael Tannenbaum 34 Soft Bits Roger Fuller 44 Reviews 74 Commander 80 Jacke Commander 78 Kitchen Table Software David Busch 376 Money DOS J. M. Keynes 386 Reader Service 387 Calendar 388 News 406 Feedback Loop Terry Kepner 412 Copernica Mathematica Bruce Douglass 428 Education 80 Earl R. Savage 430 Medical Opinion Philip R. Mills, M.D. 436 Reload 80 438 New Products 68 News

80 Microcomputing - Volume 31 - August, 1982

Issue Information: Volume: # 31 Date: August 1982 Load-80: Yes Pages: 404 Table of Contents:         Features 66 Assignment 46 Victo R. Albino Tri-Lizards, flying hotel rooms, and other evils face Commander Harry A. Flynn in this latest adventure. Enjoy playing and then learn how to write your own adventure step-by-step. 80 Outdoor Computer Games? Yep! Barry Adams Summer is time for the great outdoors. But you find it hard to tear yourself away from your computer, right? With these two outdoor games for your 80, you don't have to. 94 The Colorful Computer - Part I Franklyn D. Miller This begins a three-part serties illustrating the great versatility of Tandy's CC. In this installment, 21 graphics programs help you learn how to draw with Radio Shack's powerdul little machine. 112 Ski Slalom Jake Comamnder While you're lounging around the pook soaking up the rays, here's a cool reminder of what's waiting for you on the slopes come November. 120 The Graphics King Steven Frann At an early age, Leo Christopherson saw his future in his dreams. Also his inclinations in blowing up walnut shell ships and playing the accordian 124 TRON: Man in the Computer John P. Mello Jr Hollywood has taken us into outer space, under the ocean, to the center of the earth, and inside the human body. Now it's taking us inside a computer. What it finds there you won't discover by taking the case off your 80 132 The Game of Kalah Jonathan D Victor An ancient game of stones and stratefgy for you and your computer to play with. Also, learn some rudimentary artificial intelligence techniques as applied to choosing and programming this game Articles 106 Cube-80 Winefred Washington Jr. Tired of thumb-blisters and misplaced colors? Let this program guide you to a finished cube once and for all 114 Naval Wars Arthur J. Byrnes Swab the deck, hoist the mainsail, and all that rot, it's war on the high seas. For this duel at sea you need dual computers. 156 Tee for Six Carl Bevington For board game gans, here are six individual games. Get board with one, then go on to the next. 174 Save Out Ship Randy Hawkins The galaxy is in danger and you, Captain Kirk, have been ordered back into action. The Federation has taken the Enterprise out of mothballs and you're off to battle the Klingons. 186 The Master Muses Charlie Heath The author of one of the best reversi games for a micro explains why computer play the game so well. 188 Color Maze Richard A. White A refreshing back-to-basics game for your CC. no aliens, underground monsters or bad guyts, just a bunch of walls to bump into. 202 Four in One Plus Another Larry D. Becker Brickout, Poindexter, Mathtalk, Tank-Gun and PixPrint. CC games and a screen dump utility. 212 Sub Destroy, Model II Style Patricia Steele Take out your aggressions on enemy subs rather than on your fellow office workers. 216 Subs 'n Choppers Charles and Glenn Gillen A classic air and sea battle with you in the cockpit of a helicopter. 222 Casino Slot Machine Ron Balewski Keep your money in your bank account and turn your 80 into a less costly one-armed bandit. Programmable odds should keep the coins piled high in your favor. 234 Cram Hardin Brothers Simple to play but hard to master, in short a real frustrator. Betcha can't play just one. 240 Acrostic Generator Jonathan Falk Making puzzles can be as fun as solving them using this program. Send letters or party invititaions to your friends in pizzle form. The possibilities are aggravatingly limitless. 248 Enter the Dragon Brice Hadlock Roam the west, east, north, and south in search of an imprisoned princess in this Kung Fu-style adventure 254 Conquest of Memory Alpha L. L. Myers The evil Kalxons have implanted a mind control device in your brain and have sent you on a mission that could lead to the destruction of your own race. This adventre seems to have the odds stacked impossibly against your. Or are they? 260 Space Duel David Edick Whether you own a Model I, III, or CC, this game is for you. 264 Square Game Chuck Kanach A CC adaptation of Merlin. 268 Color Breakaway Mitchell Grossbach All alone over the blue line ... shot ... Score! Hockey on your CC 270 Pitty Pat Lynard Barnes Computers don't bluff. You're sure to find that out in this version of draw poker. 274 Termites Charles Weindorf An invisible maze game to improve your memory with a cherrywood snack at the end. 280 Thru the Asteroids Joe D. Fugate No laser blasters or hyperspace to protect you in this overpupulated asteroid field. You have to guide your ship through the field to a landing base on the other side. 282 Alien Attack Larry F. Perry Space invaders plus Missile Command 286 Loco Motion Dennis Ridgway An intense "don't-bother-me-now-can't-you-see-I'm-busy" solitaire game. Fun for the whole family, one at a time. 296 Intellectual Somnambulism M. Keller A game for those who, tired of the hot-seat, want a little slow-paced action 300 Stanley Dave Black A game that will have you asking the question: "But does it beat an afternoon nap"? 302 Amazing Cordoni II Jon Mark O'Connor The Amazing Cordonie returns to graphically amaze and entertain you. 378 Reader's Choice 80 Micro Staff Your chance to pick the best TRS-80 software on the market today Departments 8 Remarks Wayne Green A call for more support for the Model II and a discussion of women and micros. 12 Proof Notes 80 Micro Staff The editors look at the issues. 14 Input 80 Micro Staff Kudos for MONEY DOS, Loc-Editor and some alleged April fooling. 24 MONEY DOS J. M. Keynes Talk about IRAs 28 80 Accountant Michael Tannenbaum Legal time accounting systems. 34 Soft Bits Roger Fuller Sorting strings in memory. 36 Reviews 80 Micro Staff Armored Patrol, Forbidden City, Interactive Fiction, and More 60 Commander 80 Jake Commander On being a software author 62 Kitchen Table Software David Busch Our friends from Sri Lanka get an adventure generator. Be prepared for New Jersey State Assembly Adventure and Haunted Delicatessen 308 News 80 Micro Staff An alleged scam on Compuserve and how to raise the hackles of the golks who make the SATs 332 Feedback Loop Terry Kepner Japanese printers, ROM maps, sound routines, writing over TRS-DOS, fast graphic methods, and more. 339 Notes from Beneath the Keyboard Paul Wiener What do chess, checkers and Reversi have in common? Competitive Tree Searches - Part I. 344 80 Applications Dennis Kitsz The conclusion of the homebrew ROM pack for the Color Computer. 358 Copernica Mathematica Bruce Douglass Rubik's Cube and other spatially oriented puzzles 372 Education 80 Earl Savage Do microcomputer games have a legitimate place in the learning process? 374 Medical Opinion Philip R. Mills, M.D. Automating your clinic. 385 Reload 80 Art Huston Program compatibility, Guns of Fort Defiance, telephone monitor, tape reproduction system, data base lock and more. 386 New Products

80 Microcomputing - Volume 32 - September, 1982

Issue Information: Volume: # 32 Date: September 1982 Load-80: Yes Pages: 404 Table of Contents:         Features 88 Word Processing: An In-Depth Look Dan Robinson After months of testing ever word processor he could find for the Models I and III, reviewer Robinson has put together an opus on word crunching. But before you get into the nitty gritty of Robinson's research, read his opening thoughts on the subject. 92 Model I/III Word Processing - CP/M Dan Robinson Robinson begins his words processing discussion with the esteemed Worstar. But before you can use it, you've got to take a trip to the hardware store. 96 Model I/III Word Processing - Deluxe Versions Dan Robinson next, our peripatheic reviewer explains what thtills await you when you buy a word processor with all the frills. 112 Model I/III Word Processing - Under $50 Dan Robinson Word processing is even for those of us still waiting for Michael Anthony - the millionaire's messnger - to appear on our doorstep. And Robinson shows us the way with a guide to the low-end WP market. 116 Model I/III Word Processing - Spelling Checkers Dan Robinson In this final Robinson installment, Dan takes a look at the software replacing what he's found to be the most reliable spelling-checker to date: WIFE/CMD. 152 The Colorful Computer - Part II Franklyn D. Miller Learn graphics technique by putting a Playboy bunny on your CRT. 164 Three Model II Word Processors Paul Grupp Since good word processors produce comparable results, they must be compared in the highly subjective arena of interaction and user friendliness. 168 Printer Color Art Francis Kalinowski Take a deep breath, then prepare to have it taken away once you learn how to bring out the Rembrandt in you with an Epson MX-80 and a colored ribbon kluge. Articles 124 Sling Some Hash Ken Knecht Store and receive items in an unsorted list. 126 Printing Perfection John T. Phillipp Customize SuperScript for your Epson MX-80. 139 Moby Dick Touch-Typing Tutor Michael Brown If you don't type fast enough, Ishmael's Nantucket sleuighride ends abuptly in the belly of the Great White Whale. 140 Basic Word Processing Louis J. Crutons, Jr. With a little manipulation, you will find your Color Computer has a word processor buiold into its ROM. 186 Cheaper Upgrade Richard Tucker Save more than $75 by installing Extended Color Basic yourself. 190 Graftrax 80 Thomas McNamee How to install it and some tricks for your bag once it's installed. 198 Pascal Goes Color Scott L. Norman Computerware and Dynasoft combine to bring this language to the 16K Color Computer. 204 Screenplay Warren Merkey Use POKE to write and draw on your CRT. 222 Inside Scripsit: Part I Craig Lindley Rooting around in Asembly can be very difficult if yo udon't know the territory first. 230 Joystick Paintbrush Gerald Sprouse How to draw with your Color Computer. 234 Compiler Comparisons Ken Knecht Radio Shack vs. Microsoft Basic, which compiler is for you? 238 Conversion Frank Osborne Bob Boothe's Level II graphics for the Color Computer. 242 Homebrew Data Base Management: Part II Karl Townsend Add subroutines for purging, selecting and restoring files. 252 LDOS 5.1 Charles P. Knight More DOS for your money. 256 Recover David Gobel All is not lost when your 80 exits Scripsit without your permission. 260 Technology Destiny: Part IV Gary Dillio This author shows you don't have to be a Girl Scout to be a smart cookie. 268 Bit Smitten: Part II Jay Childsey After reading Part I of this series - For the Novice - the title no longer suits you. So we changed it. In this installment, learn about data degradation. 270 Order Form Albert J. Wright Author Wright found existing order forms just didn't fit the bill his needs demanded, so now he has his 80 make the forms. 276 The Game of Sin Stephen Radin Sometimes, even triangles outside Bermuda should be avoided. 282 PCLEAR 0 John Heusinkveld Maximize memory by reserving zero pages for graphics in Extended Color Basic. 286 Screen Veil Mike Keller Cure reading-over-the-shoulder syndrome with a cloak, not a dagger. 288 Juicing Pin 18 Barry N. Gorodetzer A Black Box mod for an Epson and Model I. 290 JKL Minus Blanks Richard M. Straw Get rid of an annoying habit when screen dumping with NEWDOS. 292 Only Macro-Mon Knows Richard C. McGarvey They call it The Shador. It has almost every feature a machine-language programmer would want. Departments 8 Remarks Wayne Green While the Japanese are attracting teenagers to technical careers through ham and computer clubs, our kids are spending their time on drugs, disco, and driving. It's putting us at a terrible disadvantage. 16 Proof Notes All is not well with Tandy's flagship micro, the Model 16. 20 Input A call for Comamnder Color graphics in Basic and more articles for the novice, some advice for horse bettors and a cry to take the smut out of 80 Micro. 30 Debug How to connect the plotter in "Digital Doodles" and a correction for "Video Snow Shovel." 34 Aid Readers looking for Model II programs, an IBM-Color Computer interface and POKE conversions for Tanktics. 40 80 Accountant Michael Tannenbaum Trade-offs between dedicated and non-dedicated word processors; comments on the Model 16; the Model II and CP/M; and a new oil and gas accounting system. 44 Soft Bits Roger Fuller Offset pointers in a string array by a fixed amount. 48 Kitchen Table Software David Busch Our intrepid KTI observer reviews the toast of Sri Lanka's new line of generic software. 50 Commander 80 Jake Commander The trademark nonsense seeems to be everywhere you look in the software business. We'll soon see more documentation devoted to credits than to the operation of the software. 56 Calendar 58 Reviews Super Color Writer, machine-language modules for the novice, Radio Shack's Color Computer disk system, Penetrator, Color Berserk, EPS-80 word processor, Snapp Spooler, and SFINKS 3.0. 300 News Whither DOS for the Model 16? New computer crime insurance. Motorola 68000 seminar. Wait ahead for TRS-80 wanters of TK!Solver. Computer lingo. Video games mean cash at U. W. Va. 325 Feedback Loop Satisfying the IRS, proportional spacing, digitizers, joining computer clubs, LPRINT problem, and machine-language manuals for the Color Computer. 330 Fun House A new column for kids and the child in us all. 339 Index to Adverisers 342 Copernica Mathematica Bruce Douglass Differential equations. 352 Notes from Beneath the Keyboard Paul Wiener More on competitive tree searches. 364 Money DOS J. M. Keynes Are there any takers to J.M.'s $50,000 bet his commodities system will not fail? 376 Medical Opinions Philip R. Mills, M.D. A look at some patient billing programs. 381 Reload 80 Art Huston POKEing machine-language subroutines into memory. 384 New Products PMC's Electric Typing Fingers, KWIKIT cassette storage system, green phosphor CRT, ARMDisk/525 Winchester, Surge Protector, Screen Kleen, chemical dealers software, VisiGraph, church donations program, Color Forth, Supertax, Regilean Bloodworm, and the King James Bible on disk.

80 Microcomputing - Volume 33 - October, 1982

Issue Information: Volume: # 33 Date: October 1982 Load-80: Yes Pages: 436 Table of Contents:         Features 82 The Color Computer on Parade - Part 1 William Barden Jr. There are color machines with better graphics and resolution than Tandy's Color Computer, but for the price it's still a good deal. With this installment, author Barden will explain why. 114 QuickCalc Kurt Leafstand Since its inception. VisiCalc has been heralded as the financial applications program. Its clones would outnumber a Roman cohort and are usually priced below theoriginal. But even VisiCalc's imitators can't beat the price of this clone. 122 A Basic Compiler in Basic Dimitri P. Bertsekas You can buy a Basic to machine-ianguage compiler for $190 or you can key this one into your 80 and write the fastest Basic programs on your block. 140 You're in the Money Robert Montgomery Visualize the wonderful effects of compound interest and learn about the importance of sheltering them from Uncle Sam. 156 Industry Saver Kerry Leichtman How a plastics plant in Georgia monitors production with an 80 and smart box. 168 Income Tax Estimator Peter A. Stark You may not want to think about it, but income tax time is closing in on you. This program will let you say hello computer, good-bye H&R Block. 203 Autotrak Robert James Lloyd Being a captain of industry and captain of an auto fleet can be a taxing problem. So let your creative juices be channeled into getting down to business while your 80 handles the fleet. 316 Production Learning Curve J.R. Jeffrey You know your widgets will boost the GNP. The only question you have is how much will the 123rd one cost when it comes off the assembly line? 342 Invoice J.L. Hackman Bills are the businessman's bread and butter. Here's a program to let your 80 not only print your invoices, but keep track of them as well. Articles 88 Shopping with Uncle Sam Bud Stolker A look at the federal data-processing exposition in Washington. DC. 96 Bit Smitten-Part III Jay Chidsey An answer to the universal question: What's a baud rate? 101 Radio Shack Repairs Terry Kepner What to do when your 80 starts misbehavin'? 104 Trick or TRS-80? Mike Keller Some good-natured fright with the help of your 80 and mirrors. 154 QCS Hard Disk G. Michael Vose Hard disks may be the storage medium of the future, but if you're thinking of entering the major leagues, be prepared to pay the price. 160 MZAL Bruce Powel Douglass An editor/assembler using a modular approach 184 G.E.A.P. Richard C. McGarvey Draw graphics displays within your text 190 Cybernetics and Jelly Bean Detection Stephen Davids A chance to make your 80 sing "Hail to the Sweet!" 216 Hardware Hacker - Part I Philip M. Van Praag Learn how to build a hardware support system for your Model I - a piece at a time. 228 Programming Pitch - Part III Merton L. Davis Better timing and harmonic clarity for your 80-turned-clavier 224 DOSPLUS 3.4 John Ratzell This third-generation operating system has some new features that put it at the top of its class. 246 Technological Destiny - Part V Gary Dillio Using what you learned in parts I-IV, you're ready to prepare flowcharts and docs of your programs. 254 The Colorful Computer - Part III Franklyn D. Miller Twenty graphics programs to end this serties on the wonderful CC and you 262 Birthday Party Simon Zuckerbraun Simon says: Party down with your 80 266 Data Ace Tim Daniel This author has spent a lot of time in quest of the grail of data-base managers. This isn't it, but it's very close. 276 Inside Scripsit - Part II Craig A. Lindley Learn how to modify this popular word-processing program 296 I Have a Secret James T. Demberger You will too when you learn how to use the Vernam Algorithm for data encryption 304 LP VIII Patch for the CC Roger L. Degler Eight bits are better than seven. 308 Profile III+ Wynne Keller A new version of an old data-base manager. 324 High Finance Ted Byrne Tracking your earnings from All Savers Certificates 332 Homebrew Data-Base Management - Part III Karl Townsent After this installment, you'll be ready to run your tape-based data-base manager Departments 8 Remarks Wayne Green Applause for Sen. Kennedy. A deluge of calls and letters on the piracy isue.The desperate need for TRS-80 service. 14 Proof Notes 80 Microcomputing Staff In business, money is time and time is money. An 80 can help you save both. 18 Input 80 Microcomputing Staff Selling software. Another Neatlist correction. Protected software and 80.track drives. Bit Smitten's historical rnaccuracies. Disk RAM test. Model 16: savior of Model II. Mod for a Scripsit mod. BlPED error. Wiener's credibllity questioned. Gunn rapped. 30 Debug 80 Microcomputing Staff Fixes for Straight Shooter, Sargon Saver, and Space Chase. 32 Reviews 80 Microcomputing Staff Maxprint printer-driver utility, Lablmakr for custom labels. Personal finance package from Tandy. Newtalk memory exam utility. Powerdraw screen graphics utility. Color Scripsit. Colorterm Color Computer terminal program. Newscript 7.0. Visigraph: charts and graphs from VlsiCalc data. Dynamic Report. Generator for columnar reports. Tandy Six-Pen Plotter. MDX-3 Interface PC Board for Model III disk upgrade and RS-232. 68 Review Digest 80 Microcomputing Staff A sampling of product reviews appearing in industry media. 70 Soft Bits Roger Fuller Level I keyboard routine discussion. 74 Kitchen Table Inc. David Busch More inventive products from Sri Lanka's finest: the black phosphor screen and Random Basic. 78 Commander 80 Jake Commander Microcomputer users, you don't know how lucky you are. 354 Calendar 80 Microcomputing Staff 356 Applications Dennis Kitsz It took a lot of headscratching. 40 hours of close work and 12 hours of troubleshooting, but putting an LNW-80 together was worth the effort. 371 Index to Advertisers 80 Microcomputing Staff 372 News Midwest data base uses Tandy computers. Who's afraid of the Big Bad 80? Think tank wants to network Americas's leaders. Teacher drain in Golden Horseshoe. $225,000 video-text study. 392 Beneath the Keyboard Paul Wiener Computer astrology: a computerbased home business with a reasonable potential for profit. 396 Medical Opinion PhIIIip R. MIIIs. M.D. Model II TRSDOS 2.0-2.0a quirks. Model 16 experiences. Model II Versafile. 400 Feedback Loop Terry Kepner No lowercase without Model I hard mod. Repeat function in Basic. Power supply problems. $669 repair bIII for a Model I. Need for more than 48K in Model III. Some basic poop on disk drives and Assembly language listings. 408 MONEY DOS J. M. Keynes A faibsafe stock market program, 410 Fun House Richard Ramella Games using Point(X,Y). 418 Copemica Mathematice Bruce Powell Douglass Math and science software and books for the TRS-80. 422 RELOAD 80 Art Huston Practice modifying machine-language-subroutine POKES by modifying some past Load 80 programs. 424 New Products 80 Microcomputing Staff Portable Model III. Model III package with word processor, mailing list manager, payroll record system and more. Coin Tracker. Mass mail system. School administration system. Checkbook manager for Color Computer. Ribbon cartridge for MX-80. Hurricane tracking program. Copy utility for onedrive users. Church management system. Tax Master federal income tax manager. Model III terminal program. Stock market simulation game. Dataman data base manager for users with no programming experience. Griffin I hard disk drive.

80 Microcomputing - Volume 34 - November, 1982

Issue Information: Volume: # 34 Date: November 1982 Load-80: Yes Pages: 520 Table of Contents:         Features 74 Micros in Medicine G Michael Vose Even micros can have a bedside manner. Read how the medical profession uses micros to diagnose, educate, and gather information. 148 Heat Stress Index David B Heckenlively, et al Does your job get you hot under the collar? This program determines whether the heat from your workplace is harmful to your health. 174 Micros in the Lab Tom Hager Microcomputers are not used extentively yet in scientific exploration, but some pioneering scientitst are leafing a micro revolution. 188 Nike Sport Research Lab J L Larsen Scientific research benefits from using microcomputer sfor data collection and analysis. 197 TRS-80 Laboratory Wynne Keller Trying to convince the boss you need a computer in the lab? This article will help you. 205 Astrodynamics for Beginners John D Fowler, Jr Gravity got you down? This program shows you its effects on orbits of heavenly bodies. Articles 88 The Color Computer on Parade: Part II William Barden, Hr. In this segment, author Barden explains the Line, Circle, Draw, Poiunt, Get and Put commands, as well as how to change your video display graphics. 90 Medical Family History Miguel Diaz Computerize your family medical histories and make life a little easier by keeping health records. 92 Bit Smitten: Part IV Jay Chidsey Save memory space with Basic's Reaad ... Data function. It's not as difficult as you think. 96 Practical Regression Analysis Delmar D Hinrichs Regression analysis lets you get the most from a set of data. Author Hinrichs will take you step by step through this useful technique. 112 Hardware Hacker: Part II Philip M Van Praag In this episode, add 32K of RAM to your Model I. 130 The Calculating Genius: Part I Rick Cook Charles Babbage invented the speedometer, railway cowcatcher, and occulting lighthouse - as well as the first digital computer. 142 CC EDTASM+ William Barden Jr. This Editor/Assembler for cassette-based Color Computer owners almost has it all 168 More Color Conversion Jimmy L. Freeman When the Air Force took Jimmy's hobby - ham radio - away, he found a new way to while away the hours ... converting Model I programs to Color Computer ones. 182 Curse You, Cursor! Joseph L Frese Poke out your Model II's blinker. 190 Trick your ROM Bob Boothe LPRINTing CHR$s 0 and 10. 214 Color Assembler John Heusinkveld A way to speed up your Color Computer programs. 222 Relativity and the TRS-80 Sidney Levin Let your micro strip the veils from relativity theory and ignite your own intuitive files. 230 Epson Airfoils Bob Boothe Design model airplane wings or modify this program to plot points for other applications. 242 Plant a Binary Tree Ken Knecht Unlock the door to fast searches using key data. 246 Casino Draw Poker Ron Balewski Who as the better poker face, you or your 80? 260 Make Those Headlines Fit Richard Ramella Making heads of a different column fit together. 264 Cybernetics: Part II Stephen Davids All about sensors, decision bases, and actuators. 272 Show the Score Frederick F Battiste You need some additional knowledge if you want to display numbers and graphics on your Color Computer. 282 Cassbox Charles E Gillen Tired of fumbling through unlabaled cassette boxes or trying to read chicken tracks passing for handwriting? Your 80 can give you a helping hand. 287 CABLEBREW James H DeFrancis When you buy an MX-80 cable when you can make your own? 288 Color Computer Pointers E O Gilliland Jr. Combine programs and save memory with this know-how. 292 Model II Math Skills Mike Kilroy Mike wanted his kids to dissect math problems but found they'd rather dissect his Basic programs instead. 300 Model III Microchess Mohan Embar You need more than CONVERT for this one. 304 Test Patterns Richard L Kilmon Now you don't have to wait until the wee hours to see late-night fare on your tv. 306 The Sieve of Erathosthenes D R Cecil It may be Greek to you but not to your 80. 308 Music Marvel Steve Blyn It helps mentally retarded persons play music on the Color Comptuer. 318 Kwikmaze Dan Rollins For fast mazes you need machine language. 357 The Evolution of a Language Ken Waltjen Understanding the magic of binary and hardwre. 364 Pixel Printer Charles E Gillen Model I graphics screen dump. 372 Computer Assisted Electronics Design John Harper The ultimate do-it-yourself project -- designing your own comptuer. 386 PRINPUT Stephen Mills How to get enhanced printouts from a limited system. 390 ON BREAK GOTO SFC Roger E Donais Disabled by not forgotten. 392 Analysis of Variance George L Gille What happens when IBM Fortran meets Microsoft Basic? 396 We Interrupt This Program ... Dennis Workman ... for a word that will make your Model I More versatile. 398 The Family Tree Richard W Castor Genealogies for home comptuers. 404 To Baffle a Pirate Randy Hawkins By making your Basic programs look like machine language, you can deter many copy cats. 406 Clean Up Your TRON/TROFF Arne Rhode Debug your Basic programs with a trace table. 410 Checksum Howard F Batie Debugging long listings made easy. 414 Quicksort Don C Brumm The fastest sort in the West ... and elsewhere. 420 Relocated ULCBAS Samule D Pincus This simple patch protects high memory. 422 Sound OFF! Bertram A Thiel Use a second cassette recorder to add sound to your programs. 424 TDRELO Barry Kornfeld Write machine language patches, load your main program, and save as one file. 426 Algebraic Archery Michael A Duffin Hit a bullseye with this polynomial factoring program. 436 Homebrew Librarian Larry R Hamilton Use your 80 to keep track of your books. 440 Find a Number's Roots David R Cecil Getting to the roots of some problems 444 Things Still C