JOURNAL November/December 1994
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er MicroThe print forum for the MicroComputer professional and semi-professional JOURNAL November/December 1994 FCDT 30111Ed _EEIccU ©T VouT P© Ff,74w LcD1031©',J it 3g2°r©a. CarArg Eni[Fr\v© 400ua U_ Z = u..1 at LLB U. *vl co x 0 = $5.95 *0 0ce-= 0 r \ co - *mcyr--0.*wco z- -r ocperaan - 1111111118 2 68H Cl 1 Controller & Languages Program it inCor Basicor ram it inF 0 RTHor Program it inAssembly Low Cost Development Package: Controller + Languages+ Manuals on disk included! Package Price Breakthrough! 0 0 0 0 0 000000000000000000000000000 00000000000000000000000000000000 The NMIT-0020 Single Board Computer is perfect for 000000000000000000000000000000000000 dedicated controller with convenient interfaces for LCD000000000000000000000000000000000000 displays and keypad. Intelligent LCD's up to 2 lines by 80 000000000000000000000000C0000000000000000000000E000000000000 000000000000 characters and matrix keypads up to 4x5 can be used. The000000000000000000000000000000000000 processor is the popular F68HC II with many features, 000000000000000000000000000000000000 000000000000000000000000000000000000U00000000000000000000CJOC 000000000000 including SCI and SPI serial channels, 8 -bit 8-ch. A/D, 2000000000000000000000000C. 000 0 0 0 0 00 00 0 000000 000000000 000 0 0 0 0 0 C 000000000000 available I/O lines, Watch Dog Timer, 1/2K EEPROM and 011000000000000000000000C 000000000000 00000000000000000000000C 000000000000 Max -FORTH w/Floating Point Package embedded in 12K u0E300000000000000000000C 000000000000 u0OLIIJ0000000013000000000C 000000000000 internal ROM. SBC expands F68HC11 providing 3 28 -pin L3000013000000000 00000000C 000000000000 JEDEC sockets for 8-32K RAMs, ROMs, EPROMs, ._3E3LILIEJ0E30000000000000000C000L000000000000000000C 000000000000 000000000000 EEPROMs, etc. RS -232 conversion supplied. Requires JS Lco saw Pam ss.sasrc J 1 0000000000000000 5 external regulated supply: 5V at -30 mA. Based on NMIX- 0 000000000000000{ '.i_____ a,.' tt. .1 U I4 (1.IPW:2 4 ''''" 0020 board, so many features may be added as desired by -- ,...J6 1.N si ur it R6 the user (or by factory- call for details & prices). 1 li RIUSI.-" 11)., ( ; fi : r ..0I: - p. 'I,' Languages supplied on accessory disk: Small C, Basic, and In I.: i I ,16.0 1.ZZEJ.,.., i ti II I .- II . , i,..,, Assembler. FORTH resident on chip (may be disabled). S EA N.,I t7:11.,2. ' Ci it :.0 , i i ...,, Languages come with manuals on disk. Communications ,4__.....y. RSV I 11. I, -,8 0 utility, MAXTALK included to allow PC clone to act as ISM.. li 0 0 0 -WE 017805 I Ai terminal for download and development. WIPE utility a o xit 000'114 c 0. RlQC I1111 QUO -x included allows internal ROM, EEPROM, WDT to beC1 0 U to ,JCI7 .8 orL1H:1- C2 C enabled/disabled, and EEPROM to be erased. Manuals on ' , -I 0 0 ORS U2 L,U3 U4 I r F MIS 0 00. disk: UM -MAX Max -FORTH Users Manual, HM -20(111) 0 *SY C3 I v 400471 NMIX-0020 Hardware Manual, Small C manuals with 8: -l<-:":10.1 . .,''7.wismi Ar0 Om's I. tql -;_....__ .. r.4 mi00* examples, BASIC11E9 Manual. C... I -Th.__ U 1.4 _7\ -____ , f 4 e00,1% I volt _.::\..__ mil , .1100 s, I ILI' I 11. iml ., r 4 mr0 OX SBC and utility disk - $99. Keypad and LCD not included. N N. 144 . I, 000 to I w11110 ...*,.. Sv I 11. NO _.---", . nt 0 0 AS 0 I:It iv ...` Great value. Call today! New Micros, Inc. 214-339-2204 III 11. 69 is: I. GNO 1 N. P41 . c0,x:4 g D 0 Pit NEW MICROS, INC. I I. P40 g I 1601 Chalk Hill Road .40 I ip p44 I 4 or0 0 _t I. .44 4, .1.4 Dallas, Texas 75212 0 Ji 3C 0 'I0 0 0-0 . N P Tel: (214)-339-2204 It I@E3800 I 000 0 I .9 ST1.. ., CIRCLE NO. 80 ON FREE INFORMATION CARD PC DIAGNOSTICS THAT GET DATA BACK RESOLVE ANY IRQ OR I I _J 444 1 1 " 11 -J J ; JJ The Troubleshooter"' is the -.110001"."1"-RESCUE Data Recovery Soft- The Discovery Card"' is the Me limilmiNter most advanced PC diagnostic RE94.f. wareTM' is the only program to first tool to accurately resolve any IRQ or DMA conflict. 18 software available that really ' easily recover lost data from finds the bugs. The Trouble- crashed floppies & hard drives L.E.D. lights (11 for all shooter bypasses DOS & tests even when DOS can't read interrupts and 7 for all DMA) all major hardware components them! RESCUE recovers data immediately report actual directly for true accuracy while other recovery programs usage thus saving time when other programs often give cannot. RESCUE automatically configuring, upgrading or erroneous test results! Loaded recovers DOS & Windows files debugging PC's. Software with all the tests you'll need to accurately isolate the including data from compres- alone cannot detect DMA usage and is often wrong source of PC failures. Priced far below all competitors. sed drives. Be prepared for any problem. RESCUE is the when reporting IRO conflicts! Call now, save time Call now for full list of latest features! insurance and security you need to safeguard your valu- and end the frustration! able data. Call now! Don't wait until your data is lost! #1 WINDOWS FIX OR INSTALL ANY ISOLATE . f I I j Jj II -saaa a Skylight"' is the #1 rated Win- t. DrivePro provides fast, pre- The Alert Care is the only dows diagnostic (PC Magazine) aRrivePro cise installation and mainten- add-on card that monitors and o'LIG HT that tunes optimizes & trouble- ance for any hard drive. Over- diagnoses power and temper- Arils shoots Windows for maximum ride BIOS limitations for user - ature changes in a PC or File speed and performance. Edits definable drive types. DOS Server. L.E.D. lights and an all .INI files safely. Graphically format any size hard drive in audible alarm alert you displays how Windows is using under 30 seconds. IDE drives whenever a system's power or memory, system resources, can be installed in less than 60 temperature goes out of a safe system metrics, G.D.I. heap seconds. Allows the use of IDE operating range. Ideal for usage plus much more with hundreds of reports! A drives with MFM/RLL or ESDI drives in the same system. roubleshooting hard to find intermittent failures in any must for all Windows users! Call now for full list of Retrieves the manufacturers' recommended specs from PC. A must for every file server to pinpoint problems features! the drive itself, plus much more! Call now for full list before they occur. Call now for complete specs! of features! J JJ LANDesignerm is the first The Technical Library on Don't throw away expen- network design software that MI011131:11CRO HOUSE CD-Roem is compiled from over sive motherboards, use makes creating and installing a 50,000 pages of technical PocketPostTM to debug dead network easy, fast and inexpen- hardware manuals! Contains Pc's. Feature packed diagnostic sive! Exposes protocol viola- complete configurations, speci- add-on card displays B.I.O.S. tions. Issues warnings where fications, diagrams, settings, ' RO.S.T. codes and tests 9 designs lead to spec violations, component locations and other A critical bus & clock signals. 300+ page manual has all the installation problems or outstrip 1 vital hardware technical informa- site power and cooling. Provides tion all at your fingertips on B.I.O.S. manufacturer codes reports for bill of materials, installation sequence, instal- CD-ROM. Includes main boards, network interface cards, you need to isolate the source of failures. Includes lation time estimates, tool requirements, spare parts hard drives, controller and I/O cards. A must for any detachable logic probe for optional component level inventory, site energy, HVAC infrastructure and much service department. Call today for special pricing! testing. Call today and start saving money! more! Call today for full specs! Free Technical Support o Next Day Shipping o Performance Guaranteed uo nzuf rnm3 'NUR EMHIEM Unn ( 800 ) Z53-4933 and learn how to resolve___ System Failures VISA Drive Crashes/Data Loss [410 IRO/DMA Conflicts International: (813) 539-7283 Fax: (813) 531-0200 Intermittent Failures 4. Overheating Power Problerns___and more! 18820 U.S. Hwy. 19 N, #215, Clearwater, FL 34624 CC © 1994 AllMicro,Inc. Fix Any PC Fast, Rescue Data Recovery Software, The Discovery Card, The Troubleshooter, LANDesigner and The Alert Card are trademarks of AllMicro,lnc. All Rights Reserved. Other names are trademarks of their associated owners. Specifications subject to change without notice. CIRCLE NO. 55 ON FREE INFORMATION CARD MicroCompJout.NAL Volume 1, No. 6, November/December 1994 Features 17 Fuzzy Logic-The Next Generation of Control By Bud Moss What it is, how it can change the way you think about computing and inexpensive products to get you started using it. page 84 31 An Industrial Counting Solution By Thomas D. Leitschuh A modern approach to solving a tricky problem using a PIC microcontroller in a harsh industrial environment. 43 Image Scanners By Steven Sweet Better resolution, more colors and sophisticated support software, all at tumbling prices, put PC imaging within the reach of even the smallest business and most personal users. 55 The Mind/MIDI Connection: Getting Yourself Wired for Sound By Tom Benford Waverider Jr. converts your brain/body currents into page 90 MIDI data. 61 Serial Ports Inside and Out By Jan Axelson Inside the computer. 70 Windows Fonts By Hardin Brothers A background on TrueType Technology, a primer on type and hints on selecting and managing a font library. 75 DriveSpace Meets DoubleSpace in Microsoft's New MS-DOS 6.22 By Joe Peschel Microsoft issues a new disk -compression utility and a new version of MS-DOS.