Advancing Computer Knowledge
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U S /Canada Edition $2 50 International Edition $2 95 NO. 58 MARCH 1983 United Kingdom Edition £2.00 Advancing Computer Knowledge Printer Feature THE LEADING EDGE IN PRINTERS ONE GREAT LINE. ONE GREAT WARRANTY Finally, there's one full family of printers that covers every business or word processing application- all fromC. Itoh. a company known for packing more product into less price: and all distributed exclusively by Leading Edge, a company known for searching out and providing that very thing. Which means that one call to one source can get you any printer, any time you need it. for any purpose. All backed by a full years' warranty from Leading Edge. ITrythat on any other line of printers.l THE PRO'S. The Prowrirers: business printers—and more. The "more" is a dot-matrix process with more dots. It gives you denser, correspondence quality copy (as opposed to business quality copy, which looks like a bad job of spray-painting). Prow riter: 120 cps. 80 columns dot matrix compressable to 136.10" carriage. Parallel or serial interface. Prowriter 2: Same as Prowriter, except 15" carriage allows full 136 columns in normal print mode. Parallel or serial interface. PROMOTER 2 THE STAR. The Starwriter F-10. In short lor more precisely, in a sleek 6" high. 30-pound unit), it gives you more of just about everything—except bulk and noise—than any other printer in its price range. It's a 40 cps letter-quality daisy-wheel with a bunch of built-in functions to simplify and speed up word processing. It plugs into almost any micro on the market, serial or parallel. Distributed Exclusively by Leading Edge Products, Inc.. 225 Turnpike Street. Canton. Massachusetts 1)2021. Cull: toll-free lSOO-Mi-G&Ti: or in Massachusetts call collect KH7IH2K-X150. lelex y51-(>24. Circle No 70 , •*< ’Yvp VisiCalc® MAGICALC™ ❖ MAGICALC™—VisiCalc® COMPARISON • 40-column standard video display 70-cdumn upper- and lower-case video • MAGICALC does everything VisiCalc does fy • MAGICALC does a lot more than VisiCalc lumn board video display does natic support of add-on memory boards (up to 512K) VisiCalc does • inaiwjual column widths • Protected fields and cells than VisiCalc does • Invisible column MAGICALC loads VisiCalc files • Automatic page formatting (worksheets are MAGICALC cost a whole lot less automatically placed on • Fully compatible with Vu DIF files MAGICALC FEATURES • Command compatible • Command compatible MAGICALC has: WINDOW • Full compatibility with Apple lie • File loading by nui t $ 1 4 9 9 5 55 47 sotsuma ovenue • north holywood, cofifomia 91601 • VisiCalc is registereda trademark of VisiCorp. MAGICALCa trademarkis of Artsci, Inc. Clrcl« No. t 2MHZ 6809 SYSTEMS GIMIX offers youvariety a to choose from! 38 MB WINCHESTER SYSTEM............... $17,498.99 HARDWARE FEATURES: ★ 2MHz 6809 CPU ★ DMA Double Density Floppy Disk Controller ★ 512KB Static RAM ★ Dual 8” DSDD Floppy Disk System ★ 8 RS232C Serial Ports ★ Dual Winchester Subsystem with ★ 2 P a ra lle l P o rts Two19 MB 51/4” W inchester Drives SOFTWARE FEATURES: ★ OS-9 LEVEL TWO Multi-User ★ OS-9 Text Editor Operating System ★ OS-9 Assembler ★ OS-9 Debugger 19 MB WINCHESTER SYSTEM.................. $8998.09 HARDWARE FEATURES: ★ 128K Static Ram ★ 4 RS232C Serial Ports ★ 2MHz 6809 CPU ★ 1 MB 51/4” Floppy Disk Drive ★ 19 MB 51/4” Winchester DMA Subsystem ★ DMA Double Density Floppy Disk Controller SOFTWARE FEATURES: ★ OS-9 LEVEL TWO Multi-User ★ OS-9 Debugger Operating System ★ OS-9 Assembler ★ OS-9 Text Editor 128KB MULTI-USER SYSTEM............................................................ $6997.39 HARDWARE FEATURES: ★ 2MHz 6809 CPU ★ 2 RS232C Serial Ports ★ DMA Double Density Floppy Disk Controller ★ Dual 8” DSDD Floppy Disk System ★ 128KB Static Ram SOFTWARE FEATURES: Your choice of either UniFLEX or OS-9 LEVEL TWO. Both are Unix-like Multi-User/Multi-Tasking Operating Systems. 56KB FLEX/OS-9 “ SWITCHING” SYSTEM .................................................... $ 4 1 4 8 . 4 9 HARDWARE FEATURES: ★ 2MHz 6809 CPU ★ DMA Double Density Floppy Disk Controller ★ 56K Static Ram ★ 2 Built-in 5'V*'' 40tr DSDD Disk Drives ★ 2 RS232C Serial Ports (80 Track DSDD Drive Option . add $400.00) SOFTWARE FEATURES: ★ GMXBUG monitor — FLEX Disk Operating System ★ OS-9 LEVEL ONE Multi-tasking operating system for up to 56K of memory WINCHESTER SUBSYSTEMS Winchester packages are available for upgrading current GIMIX 6809 systems equipped with DMA controllers, at least one floppy disk drive, and running FLEX, OS-9 LEVEL ONE or OS-9 LEVEL TWO. The packages include one or two 19MB (unformat ted) Winchester drives, DMA Hard Disk Interface, and the appropriate software drivers. The Interface can handle two 5 Vi” Winchester Drives, providing Automatic Data Error Detection and Correction: up to 22 bit burst error detection and 11 bit burst error correction. Dual drives can be used together to provide over 30 MBytes of on line storage - or use one for back-up of the other. (More convenient and reliable than tape backup systems. #90 includes one 19MB Drive, Interface, and S o ftw a re ......................................................................................$4288.90 #91 includes tw o 19MB Drives, Interface, and S o ftw a re .....................................................................................$6688.91 Contact GIMIX for systems customized to your needs or for more information. 50 HZ Export Versions Available GIMIX Inc. reserves the right to change pricing and product specifications at any time without further notice 1337 WEST 37th PLACE CHICAGO, ILLINOIS 60609 inc. GIMIX'® and GHOST® are registered trademarks of GIMIX Inc (312) 927-5510 FLEX and UniFLEX are trademarks ol Technical Systems Consultants Inc. E im ix 0S-9 is a trademark ol Microware Inc. TWX 910-221-4055 1982 GIMIX Inc. Circle No. 2 About the Cover / \ /AICRO March Highlights Printer Feature tor 1 to include a diskette ID on printed directories in "Disk ID for Printed Adding a printer to your computer Directories" (p.36). system — or enhancing the capabilities If you’re looking for a printer, read Childhood Dreams is one of a series of of one you already own — will offer you through our Information Sheet (p. 105) original oil paintings by Frank Wyman versatility, convenience, and power. before you go shopping. It describes the for children's books. The computer in Many of the programs presented here 10 to 20 most popular printers for the dustry is touching all of us — even expand the graphics, formatting, or computers we cover; major character children. MICRO'S new section, "The control capabilities of a variety of Learning Center," caters to beginning istics are compared. computerists — including children. printers. The graphic of a modern "castle” was You can make automatic pagination New! The Learning Center generated by one of the programs and user-selectable margins a part of appearing in the Learning Center the printer-driver routine; read John Now computerists just beginning to ["Digi-Draft” by Tim Kilby, page 57). Vokey's "PRINT Control for Apple tap the keyboard can enjoy MICRO, as Photo and painting by: Printers" (p.2,4). Mr. Vokey presents a well as sophisticated programmers. Frank Wyman short machine-language subroutine The Learning Centei provides fun, Wyman Art Studio that provides formatted output to most easy-to-key-in programs, with accom Lowell, MA 01852 output devices. Larry Hollibaugh's panying tutorial text, that teach you 617-459-7819 MX-Driver assembly-language program programming techniques and concepts. ("Centronics Printer Driver for Your Among the articles appearing in The Microcomputer" p.31) will expand the Learning Centei this month are use of your Centronics-compatible "MICRO Calc for Commodore and printer. Apple" by Loren Wright (p.47). This In "A PRINT-USING Routine for miniature spread-sheet program lets the Apple” (p.39J, Celestino Monclova you perform a variety of calculations. ilMCRO is published monthly by: presents a machine-language routine Minor changes are provided for all M I C R O INK, Chelmsford, M A 01824 that, when called from BASIC, merges Commodore machines; Phil Daley of Second Class postage paid at: Chelmsford, M A 01824 and additional two string variables (a mask and a data) fers an equivalent program for the mailing offices with the following options: fixed Apple. U S P S Publication Number: 483470 decimal points and commas, fixed "Digi-Draft” by Tim Kilby (p.57), a ISSN: 0271-9002 dollar sign and text, asterisk or dollar drawing program, allows you to con sign, and floating dollar sign. struct images on an Atari GRAPHICS 7 Send subscriptions, change of address, US P S Form 3579, requests for back issues and all If you are using an Apple printer in screen. Learn commands to change col other fulfillment questions to terface card, you can send only 7-bit ors, load and save, draw points, lines, M I C R O INK ASCII code. To find out how to add pro circles, and rectangles. 34 Chelmsford Street P.O. Box 6502 gram control to the eighth bit, read Another entertaining program Chelmsford, M A 01824 Mark Boyd's "A Full Byte for Your displays messages in large letters across or call Apple Printer" (p.42). your screen. "BANNER: A Display Pro 617/256-5515 Telex: 955329 T L X SR V C We also offer a brief tutorial by Fred gram for the TRS-80C" by Bryan Chris 800-227-1617 Wallace, "Plotting with the VIC" tiansen (p.65) also includes powerful (p. 19), that describes the graphics mode machine-language loading techniques Subscription Rates Per Year available on a VIC-20 equipped with that provide efficient handling of U.S. $24.00 the VIC-1515 graphic printer. Mr. machine-language subroutines. 2yr. / $42.00 Wallace includes a BASIC subroutine Foreign surface mail $27.00 that permits plotting of either a Air mail: As Always..