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single chip microcomputer mos sc/mp now offered gi & itt sign 6100

1. hardware and software so you can turn us tne clginall group PO Box 6528 Denver Colorado 80206 303 777 7133 OK Get me going I want all the details Name Address City State Zip a ee Volume 3 Number 7 24 January February 1977 TE MICROCOMPUTER POWER SUPPLIES Deltron Inc has introduced a series of four output microcomputer power supplies de Signed for micro systems Priced from 99 to 141 each the units feature barrier block output terminals and infinite resolution ad justments and are capable of 115 220 VAC op eration The four terminals provide various combinations of 5 V 12 V 15 V 9 V and a variable output of 5 V to 24 V North Wales PA IBM ADDS 5100 SUPPORTS IBM s General Systems division has intro duced a matrix printer and a plotting soft ware package for its 5100 portable computer The IBM 5103 Model 2 is priced at 4 175 and has 132 print positions and speeds up to 120 cps The new software Print Plot Prob lem Solver Library is available on magnetic tape cartridge for a one time charge of 500 The software enables the 5100 to use either the 5103 Model 1 or Model 2 as a plotting output device or as a printer DISKETTE DRIVE CONTROLLER PerSci Inc has designed their Model 1070 diskette drive controller with an 8080 micro computer with internal disc operating soft ware for all file management functions The controller is said to be able to communicate
2. Each card uses 5 V at 2 Amps Datelek Sys tems GMBH Becker Gundahlstrasse 1 8 Munich 71 West Germany 089 78 4045 urn US on And the Digital Group will get you going One of the first things you ll discover when you get started with microprocessors is that there s a lot more involved than the hardware That s why you should consider a system s software too With a Digital group system you can get going fast and you don t have to be a programming genius to make your computer do something for you Turn us on and your system really does what you wantitto do easily and quickly Because the Dig ital Group firmly believes that a computer without usable software is useless Every system the Digital Group delivers has several operating programs included with it As soon as you turn it on it s doing something In addition we make available an ever growing number of software pack ages for Digital Group systems at all levels of support They re listed below But first how do you get started With Tiny Basic Extended For only 5 you get the beginning and for an addi tional 5 you can get a cassette full of game programs that work with it Both are on audio cassette that your Digital Group system can understand You can list the programs on the TV screen of your Digital Group system and see exactly how they work step by step Now the real fun begins Change the program See what happens Make it work better
3. The number of registers and stack levels can be modified by the programmer to suit the ap plication The 8035 microcomputer adds program memory size options to the basic system Although it does not contain a program memory it can ad dress and execute identical programs and is plug compatible with the 8048 8748 The three microcomputers have the same ad dressing structure which allows either in ternal or peripheral memory to be addressed without changing program addresses This fea ture also facilitates product testing The 8048 8748 microcomputers can be programmed for the applications and the same program mem ory Space can be used to access a peripheral containing special test programs The register array and the hardware stack which is used for program nesting is inte grated with data memory to provide more flex ibility in processing capability Cont d on page 9 EDITORIAL 1977 NEW ADVANCES This year promises to be MICROCOMPUTER DI GEST s best ever Starting with the March is sue we ll be changing our name to MICROCOMPUTER DIGEST AND INDUSTRY REPORT It debuts a new monthly feature Industry Report This col umn will critically analyze every segment of th industry beginning with Current Status and Future Trends next month We re also moving our publication date to the first A number of our readers have indi cated a preference for this date The January Febuary combination issue is our first s
4. Volume 3 Number 7 SINGLE CHIP MICROCOMPUTER The 8048 single chip microcomputer has been introduced by Intel Corp s Microcom puter Systems Division The new microcomputer is one of three single chip systems compris ing the MCS 48 Microcomputer Systems family with a series of MCS 48 peripherals and a line of programming and product development tools Intel plans to supply samples early 1977 and to begin production deliveries in the spring The Intel 8048 and the 8748 a programm able version of the new microcomputer are the first general purpose digital processing and control systems to be integrated into a Single chip of semiconductor material An alternate design the Intel 8035 microcomput er provides addition system expansion op tions The 8048 8748 microcomputers can operate as self contained systems with the addition of a few simple parts such as the clock 2589 SCOTT BLVD SANTA CLARA CA 95050 408 247 8940 MICROCOMPUTER DIGEST January February 1977 MOS SC MP NOW OFFERED Samples are now available of a new N chan nel MOS version of the SC MP 8 bit single chip microprocessor that is twice as fast and uses only one fourth as much power as the P channel version Power consumption of SC MP 11 is less than 200 mW and only a single 5 V supply is re quired Cont d on page 9 GI amp ITT SIGN 6100 PACT General Instrument and ITT have signed a licence agreement for ITT to second s
5. inch wide punched badges with 80 column ANSI format Time of day can be shown in hours and minutes on the numeric display The Model 1647 2 also has the ability to accept data from both punched badges and 80 column ANSI cards The Model 1647 3 further offers 40 user defined keys and up to 10 LEDs for prompting Prices range from 995 to 1615 Bellevue WA 206 332 8724 Volume 3 Number 7 18 I ge ee ig A ee ee MICROCOMPUTER SUPPORT TIME DIVISION MULTIPLEXER A microcomputer based time division multi plexer from Computer Transmission Corp TRAN accomodates up to 16 asynchronous or synchro nous digital data channels or any mixture of both The 10 000 M1318 Multitran multi plexer can be used in point to point multi plexing between terminal clusters and central computers and is fully compatible with the company s M3200 Network Switching and Manage ment System ELECTRONIC SCALE StreeterAmet s microcomputer based Quan tomatic 4500 electronic weighing indicator handles most operations involved in static weighing and simple batching Large LED dis play over capacity motion minus weights and zero zone The instrument can measure in either pounds or kilograms Three models accommodate tare weight iden tification preset weight control time and date and related information PROGRAMMABLE INSTRUMENT E H Laboratories has developed automatic integrated modular measurement system the 8
6. 2612 Artesia Blvd Redondo Beach CA 90278 44 COLUMN DOT MATRIX PRINTER IMS Associates new 44 column dot matrix printer designed for use with the IMSAI 8080 computer as well as other computers offers hardcopy output at 399 in kit and 549 as sembled Features include standard 64 char acter ASCII subset double sized characters are software selectable and automatic line wrap around output lines The printer offers multiple copy printing using carbon or NCR pa per and can interface to a parallel output port with handshaking 1922 Republic Ave San Leandro CA 94577 415 483 2093 8080 ANALOG INTERFACE CARDS The four Sine Trac 800 analog interface cards mate into Intel s MDS 80 microcomputer rack and operate under the control of its CPU Each of these cards can be accessed by the 8080 in either the program control programmed interrupt or DMA mode The a d board at 845 for singles accepts 32 single ended or 16 differential analog in puts up to 10 either unipolar or bipolar It converts each of these to 12 bit outputs in binary offset binary or two s complement cod ing The 295 a d X board expands the input ana alog interface in increments of 32 single ended ed channels per board up to a maximum of 256 The 695 d a board outputs eight analog channels from the digital input of the micro computer data bus The 595 X d a board ex pands the analog output capacity up to 256 channels in 8 channel steps
7. FL 305 661 7971 COMPCON Spring 77 San Francisco CA COMPCON PACE Application NSC 395 Santa Clara CA 408 247 7924 Microprocessor Short Course with take home computer WA D C Wintek Corp 902 N 9th St Lafayette IN 47904 Motorola 2900 Free Elmar Electronics 6777 W 50th St Commerce City CO 303 287 9611 Motorola 2900 Free Elmar Electronics 288 Charleston Rd Mt Vw CA 415 961 3611 Microprocessor Fundamentals NSC 395 Coral Gables FL 305 661 7971 Microprocessor Short Course with take home computer Boston MA Wintek Corp 902 N 9th St Lafayette IN 37904 F8 Microprocessor 400 Los Angeles Fairchild Micro Systems SC AMP Application NSC 395 Coral Gables FL 305 661 7971 Microprocessor Short Course with take Volume 3 Number 7 30 January February 1977 Se LS ENT TI I I IT TTI EI SEN TGS E AT home computer Chicago IL Wintek Corp June 902 N 9th St Lafayette IN 47904 7 8 Digital Electronics for Automation 21 24 Microprocessor Fundamentals NSC Workshop VA Polytechnic Institute and 395 Santa Clara CA 408 247 7924 State University Blacksburg VA 24061 21 24 PACE Application NSC 395 703 951 6328 Coral Gables FL 305 661 7971 7 10 Microprocessor 300 San Jose CA 22 24 Microprocessor Short Course with take Fairchild Micro Systems home computer Huntsville AL Wintek 9 10 Microcomputer Interfacing Workshop Corp 902 N 9th St Lafayette IN VA Polytechnic Institue and University 22 25 F8 Microproc
8. Just fill in the coupon below or give us a call for the details We think you ll find a place for our printer in your system and in your heart une cligitall group P O Box 6528 Denver Colorado 80206 303 777 7133 Quick I want to print my heart out Send me all the details on your full size impact printer Name Address City State Zip Please print Volume 3 Number 7 this job the 241 page study says In petro leum refining for example digital data com munications c n reduce the total installed cost of a control system by as much as 30 per cent Shipments of MPU s to indystry alone at 22 million in 1975 will soar to 405 million by 1985 the study projects Memory sales at 18 million in 1975 will climb to 570 million by 1985 Meanwhile interface and I O compo nents whole sales tallied a mere 5 million last year and will reach 200 million The fastest growing market within the I O category in turn are data conversions de vices analog digital converters data trans mission devices clock circuits interrupt circuits I O buffers and so on Their share of the total I O market at between 20 to 25 in 1975 will increase to as much as 50 by 1985 in this sector non microprocessor man ufacturers stand a good chance to achieve a major share of the market the study points out Analog Devices and Teledyne Semiconductor for example have their own component manufac turing faciliti
9. Switzerland Industrial and Scientific what is an excellent product to one group is Conference Management a rip off to another group Wellsesley Hills MA WYLE DISTRIBUTION ELMAR GROUP LIBERTY ELECTRONICS ELECTRONICS QM NS S M QNEM SS x xm Mic 29 785 LA M s is i m Res B den M UJ r1 SN M W Y A a TAY ER D ER X M Lo SM s S IS HERE THE ONLY 3 GENERATION MICROPROCESSOR IT HAS 8 CPU SINGLE CHIP OPERATION S E M NARS PIN COMPATIBLE ROM EPROM VERSIONS RESIDENT 1K X 8 EPROM PROGRAM MEMORY RESIDENT 64 8 RAM DATA MEMORY RESIDENT INTERVAL TIMER EVENT COUNTER RESIDENT CLOCK AND OSCILLATOR RESIDENT POWER ON CLEAR LEAPS TALL BUILDINGS IN A SINGLE BOUND Palo Alto California Rickeys Hyatt House 4219 El Camino Real ELMAR ELECTRONICS WYLE DISTRIBUTION GROUP FOR FURTHER INFORMATION CALL BILL SCHARRENBERG s LIBERTY ELECTRONICS 415 961 3611 I Southern California Information Please contact Dennis Stick 213 322 8100 Bulk Rate Cupertino CA 95014 SE a a SECUN ED ENDS E PO BOX 1167 CUPERTINO CA 95014 e 408 247 8940 ERS SPE A OED SE RENN ENS NE HMM ONDE lt a lt a lt lt lt lt a ss es AD X lt lt XD se EDO EDDA EDD lt lt D a e s s X gt E w s s S em S A MICROCOMPUTER carp THAT MAKES SENSE gt SINGLE CAR
10. access DMA operation The MOS device contains control and status registers that are programmed to handle single character block multicharacter or multi block transfers on DMA or interrupt basis 35 Marcus Blvd Hauppauge NY 11787 516 273 3100 Volume 3 Number 7 TESTING FACILITY OPENED Microtest of Sunnyvale CA has just opened a new facility dedicated to testing all in dustry standard microprocessors The company also claims it can run the complex test pat terns for most types of RAMs and ROMs includ ing 4K and 16K dynamic RAMs 408 739 8001 PDP 11 uC DEVELOPMENT KIT A new kit MAX11 contains a cross assembler simulator and PROM programmer and converts a DEC PDP 11 into a microcomputer development system Written in macro assembly language the cross assembler features user defined macro library local symbols symbolic cross reference assembly list control full nested macros and conditional assembly It executes under DOS at the rate of and uses the same kind of format as Macro II It is able to examine and modify location and register search ROM modify object file output on the system and change radix of typeout The 3550 kit is presently available for Intel 4040 8080 and Motorol 6800 6 Preston Ct Bedford MA 01730 Aivex Inc 617 275 2333 MANUAL EPROM PROGRAMMER The 1702A Manual EPROM Programmer features hex keypad two digit hex address and two dig it hex data display Controls inc
11. and 6100 software on OSI s 400 system without modifying the software The 4607 contains a Z 80 and Intersil s 6100 microprocessor four PIAs for control and several multiplexers and demultiplexers The OSI 460Z like most other 400 series boards is only 29 bare with manual A spec ial 99 introductory package includes 4602 Bare Board with manual IM6100 and a Z 80 11679 Hayden St Hiram OH 44234 SINGLE CHIP MICROCOMPUTER The processor can use the programmable timer to monitor and control I O servicing de lay instead of software timing loops In ad dition the timer s 8 bit counter can be used to count external operations generate oper ating rates and perform other functions under program control Also clock rates at different frequencies are available for equipment con trol Two maskable vectored priority interrupts are built in One can be used with the timer counter or for external inputs and the other is dedicated to external inputs Each vector jumps the program to a specific memory address Other functions include the system clock generator reset control single step control and in the 8048 low power standby All three microcomputers operate on a single 5V supply In addition the 8748 has a 25 V input used only during EPROM programming There are 32 I O lines on each microcomputer Standard static RAMs ROMs or EPROMs inter face with the bus through an 8212 I O Port One 8212 can act as an address la
12. by file name and assume all housekeeping func tions usually performed by a computer The unit is designed for and can interface to most major microcomputers A complete sub system would include the 1070 interface cabling and from one to four Model 70 drives or one to two Model 270 dual drives Total data capacity in a four diskette system ex ceeds one million kilobyte Marina del Rey CA 90291 213 821 5545 SELF CONTAINED PROGRAMMER KIT Engineering Resources 9700 kit is design ed to build a completely self contained pro grammer for 2708 and 2704 PROMs Housed with integral power supplies the unit features internal timing circuitry to handle PROM timing requirements allowing asynchoronous operation and easy interfacing with virtually any microcomputer system and requiring only simple programs for its control Kit includ es all hardware and design documentation 1903 Alameda Padre Serra Santa Barbara CA 91303 DRIVE DESIGNED FOR MICROS Memodyne Corp s new cassette drive was de Signed for microcomputer applications and comes in a portable case with front panel con trols I O connectors and internal supply The recorder writes 7 bit ASCII or 8 bit par allel data using a standard Philips cassette Price is 775 in quantity Newton Upper Falls MA SBC 80 10 FLOATING POINT UNIT A new floating point unit from Cybernetics Micro Systems will interface to an Intel MDS 800 or SBC 80 10 based system Features in cl
13. caller s identity number and tries to select the least expensive route using WATS FX tie lines or other voice communications facili ties If all circuits are busy and the pri ority number warrants it the call is put through via Dial Direct The switching equipment consists of a mi croprocessor with a 300 ns cycle a 16K ROM program a 4K RAM temporary storage and a reed relay switch matrix MODULAR uC SYSTEM Artronix Inc has announced a multiproces sor modular microcomputer system designed for medium and small sized businesses A two CPU 96K byte system with 160M bytes of mass stor age line printer and 16 terminals is priced at 100 000 WIRE BONDER Hughes Aircraft s Industrial Products divi sion has introduced a wire bonding system that is controlled by a microcomputer HMC 1460 is equipped with a memory capable of storing 200 wires expandable to 1 000 wires Basic sys tem price is 19 750 21 January February 1977 MATRIX TELEPRINTER A microcomputer controlled 180cps gatrix teleprinter has been introduced by MI Dub bed the Design 2400 KSR T the unit is priced at 4 440 and includes an RS232 interface and keyboard and is controlled by an Intel 8008 PROGRAMMABLE POS TERMINAL NCR has introduced a microcomputer control led programmable POS that it says will re place its NCR 280 retail terminal The NCR 2151 terminal uses an Intel 8080 MPU has 32K bytes of RAM expandable to 64K an 8 posit
14. details for the Faire reduced admission for those who pre register e Details of the Proceedings expected to be published e Articles about the homebrew exhibits e Weather information amp tourist trivia regarding San Francisco e Listings of the commercial exhibitors e AND just to make it interesting Hot news amp raging rumors from Silicon Valley the San Francisco Bay Area Product announcements equipment descriptions hardware amp software news etc Send homebrew exhibitors COMPUTER FAIRE t 415 851 7664 those who pre register may LJ Send commercial exhibitors tions information amp Pre registration Form take advantage of a reduced admission fee PLEASE PRINT OR TYPE 1 Send program amp accommoda Send speakers instructions O Send a free copy of Silicon Gulch Gazette GUE Vis s uu STATE 77 1 12b ma ADDRESS CO SPONSORS INCLUDE AMATEUR PROFESSIONAL amp EDUCATIONAL GROUPS e The two largest amateur computer groups Homebrew Computer Club Southern California Computer Society SCCS e Both Bay Area Chapters of the Association for Computing Machinery ACM San Francisco Peninsula Chapter Golden Gate Chapter IEEE Computer Society s Santa Clara Valley Chapter e California Mathematics Council e Stanford University s Electrical Engineering Dept e University of California s Lawrence Hall of Science e People s Computer
15. heaters unit heaters water heaters air conditioners ven tilator fans and curtain doors which control the passage of air of varying temperature in to and out of the 36 000 sq ft buildings DTC ADDS TWO MICROCOMPUTERS Micro File MK II and MK IV microcomputer systems from Data Terminals and Communications come with two and four floppy disc drives each with over 300 000 bytes of storage Of the two serial I O ports provided one handles a data terminal and the other a data communications line each at independent speed speeds and ranging from 110 to 9600 baud An included operating system provides file man agement and utility routines for data trans mission and reception MK II with two floppy disc drives cost 4 295 and with the MI IV with four floppy disc 6 750 1190 Dell Ave Campbell CA 95008 PAPER TAPE DUPLICATING Shepardson Microsystems 10601 S De Anza Blvd Cupertino CA 95014 408 257 2996 CPU USES DEC S LSI 11 MICRO General Robotics Corp has introduced the GRC11 03 a CPU based on DEC s 151 11 micro The 4 995 unit housed in a five and one quarter inch chassis is said to be suitable for rack mounting or tabletop operation The standard GRC11 03 includes an extended instruc struction set floating point arithmetic 20K RAM extended memory addressing to 512K words and serial I O module with switch selectable data rates WORD PROCESSOR NBI of Boulder CO has introduced a 9 990 Intel 808
16. is being joined by the INS8080A 1 and INS8080 2 The 8080A 1 features a 1 3 us cycle and the 2 has a 1 5 us cycle The interface devices being introduced in clude an 8 bit I O port DP8212 a clock gen erator and driver DP8224 and a single chip System controller and bus driver DP2228 DP 8238 all built using schottky bipolar tech nology Two other interface circuits a micro processors interface latch element MILE manufactured by silicon gate CMOS process DP8301 and an 8 bit bi directional bus transreceiver fabricated by low power schott ky process DP8304 should be available by March 15 2900 Semiconductor Dr Santa Clara CA 95051 408 737 5000 TWO CHIP 6800 Although Farichild will be producing a second Source version of the 6800 microproces Sor Motorola has opted not to supply the two chip F 8 chip Instead the firm will con centrate on a two chip version of its own 6800 aimed at the same low end market as the F 8 Introduction of the MC6801 is scheduled for 2077 Motorola however has not ruled out the possibility of producing the new single chip F 8 The firm is reportedly feeling the mar ket pulse SATELLITE MICROPROCESSOR A microprocessor to be used in communica tion satellites from 1980 on is now in the chip fabrication stage at Hawker Siddeley Dynamics facilities in Stevenage England The NMOS microprocessor incorporates two unique features direct high level language pro gramming t
17. nectors for 16 cards are being offered by Pro Log The four card CRS 81 system using 1702 PROMS includes an 8080A 1K RAM sockets for 2K ROM four 8 bit input ports and four 8 bit output ports Price is 730 in single quan tities The second system CRS 82 using 2708 PROMs also uses the 8080A and has characteristics similar to the CRS 81 system Differences in clude 4096 words of ROM available a 0 488us State time crystal clock and a 670 price QUAY USING Z 80 IN LATEST KIT The Quay 80 AL microcomputer kit incorpo rates the Zilog Z 80 microprocessor and runs at 2 5 MHz It requires a power supply and terminal de vice for independent operation or one can plug its 100 pin edge connector into an Altair January February 1977 or Imsai bus The kit also incorporates a ROM based mon itor that allows memory alter dump or load programming UV EPROMs A serial I O port permits use of RS 232C or 20 mA terminals at rates ranging to 2400 baud A parallel input port services an 8 bit ASCII keyboard and supports a memory type TV mon itor interface The price is 450 in kit 600 assembled P O Box 386 Freehold NJ 07728 201 681 8700 DIGITAL CASSETTE RECORDER A microcomputer controlled digital cassette recorder the dcr 10 comes complete with prop er interface cable The micro edits data to produce consistent blocked records for com puter analysis Firmware control allows units to accomodate serial or 8 bit paralle
18. only for mounting file tapes and making responses such as And with they spirit on the TTY Prayers in Hebrew and FORTRAN are offered directly to the Central Processing Unit but Latin prayers may go to the peripheral equip Volume 3 Number 7 ment for transfer to the Central Processor by internal subroutines Although manufacturer supplied prayer reels cover all machine troubles known today the program will add punched card prayers to any file tape as needed after the final existing Amen block Classified prayer reels are a vailable for government installations In trials on selected machines OREMA reduc ed by 98 2 the average down time due to com ponent failure The manufacturer s spokes man emphasized however that OREMA presently defends only against malfunctions of hardware Requested errors and other human blunders will continue unchecked until completion of a later version to be called SIN OREMA 16 BIT FLOATING POINT UNIT A l6 bit floating point unit for minis mi cros Model DD154 provides automatic left right justify and operates in controlled shift modes In automatic up justify mode the In terface Engineering Inc unit accepts 16 bit data and 4 bit exponent and shifts the mes sage up until the most significant 1 appears in the MSB position on the output lines It also counts the number of shifts and outputs a corrected 4 bit exponent The automatic down justify mode reverses this process by shifting
19. other real time systems SLAM is loaded and entered using the Intel system monitor It is supplied on paper tape ready to load without modification A com plete instruction manual is supplied SLAM is available directly from PeenMicro for 99 delivery is stock to two weeks FANTOM MONITOR DEBUGGER a program it immediate and a TTY Wintek is offering the FANTOM 11 a 1K mon itor debug program for the Wince 6800 micro computer It allows single step execution of user programs insertion and deletion of bre break points and setup of interrupt vectors FANTOM II also enables the user to load mem ory print and punch memory display regis ters go to user s programs and reset 902 N 9th St Lafayette IN 47904 317 742 6802 Volume 3 Number 7 BASIC ETC Ease of program development and straight forward program execution are goals of BASIC ETC an interpreter for 8080 based microcom puter small business applications and game programming The program uses the lower 8K or memory plus at least 1K of RAM for scratchpad Fea tures include full string capability n dimen sional arrays variable precision arithmetic and DMA and I O addressing There are 27 error codes 31 Commands and statements eight standard functions and user defined functions Priced at 125 media is either paper or audio cassette tape 6345 Central Expressway Rich ardson TX 75080 RESIDENT 8080 FORTRAN COMPILER A resident FORT
20. to be Held in San Francisco s St Francis Hotel Fascinating Speakers will Discuss the Past Present amp Future Frederik Pohl Science Fiction Writer e Henry Tropp Mathematician and Principal Lecturer to NASA American Astronautical Investigator for History of Computers Society New York Academy of Sciences Project jointly sponsored by the World Future Society etc Smithsonian Institution amp AFIPS Robots You Can Make for Fun amp Profit The 1940 s The FIRST Personal Computing Era John Whitney Pioneer Computer Film Maker e Ted Nelson Author amp Fantast Director of the Computer graphics experimenter under grants Xanadu Electronic Literary Network from NEA Guggenheim Foundation amp IBM Lecturer at Swarthmore College Digital Pyrotechnics The Computer in Visual Arts Those Unforgettable Next Two Years Appi11725 17 1977 san francisco Q 77 1 12a by Computer Faire s MICROCOMPUTERSA K 8 RAN 1171 qp Wabe VUL 8 nferenec Sc Poa IR ce on tian ZIP_ instructions Computer Faire Proceedings prospectus C Send details on the expected GET YOUR FREE COPY OF THE SILICON GULCH GAZETTE e Details of the programs amp speakers e Information about the banquets arrangements e Accommodations information amp registration forms for the St Francis Hotel Faire Headquarters Hotel amp the other three Computer Faire hotels e Pre registration
21. 0 based word processor The unit has super and subscripts repagination docu ment assembly capability and standard editing functions The unit includes a Dysan diskette drive and Qume daisy wheel printer SYSTEM LINKS 8080 TO HOST CPU Beckman Instruments Inc s new microcompu ter based computer interface system contains an Intel 8080 microprocessor that links the process controller to a host data processing System The system connects the analog func tions of the control loop with a central com puter via a five wire bi directional data highway TYCHOM S WORD PROCESSOR A 7 000 microcomputer controlled word pro cessor has been released by Tychom Systems Editerm includes an 8080 4K RAM tape casset te baseplate and interfacing for an IBM Se lectric Options include floppy disc Diablo Hytype Printer and an IBM compatible magnetic card reader writer Fairchild NJ MICRO CONTROLLED WEAPONS When the F 18 aircraft strike fighter makes her maiden voyage in mid 1978 an Intel 8080 will be in the pilot seat of a microcomputer controlled weapons firing system The 8080 was chosen because it has double preciSion ac curacy and can be programmed to operate like a l6 bit machine The micro will allow the Navy to change the F 18 weapons complement mostly through software changes PROCESS CONTROLLER The microcomputer based Model 117815 Pro cess controller from Orbitran Co provides logic storage and control for a variety of
22. 200 It is compact and microcomputer con trolled The 8200 s 6800 allows the execution of complex test sequences and can provide for the analysis of test results It runs the programs generated by the operator and entered through a keyboard or an IEEE 488 interface into a programmable memory The system is expandable Depending on which instruments are included the model 8200 is priced between 35 000 and 40 000 INTELLIGENT TERMINAL Using two 8080s the React intelligent ter minal system can either communicate with a host computer or operate offline in a free standing mode Users can program in Intel s PL M high level language and can access from 250K to IM bytes of floppy storage and 16K to 32K bytes of RAM Also part of the system are up to three CRTs and a serial impact printer Teletype 33 35 protocol is standard but the system can also operate under binary synchronous and IBM s SDLC Raleigh NC January February 1977 LOGIC WAVEFORM ANALYZER Designed for hardware and software debugging of microcomputer system the model DM 230 logic waveform analyzer has a built in memory with a capacity of 128 32 bit words The start or stop address is set on a 4 digit hexadecimal thumbwheel switch and dig ital data is displayed on a six digit hexa decimal readout For a real time look at analog waveforms including timing relationships and noise spikes the instrument allows a stan dard single channel oscilloscope to
23. 3 Number 7 12 o Universal parallel I O programmable to de fine any direction and data transfer char acteristics for two 8 bit ports o Four programmable counter time circuits and driver termination devices The disc controller board MDC allows the user to store and retrieve data from up to four floppy discs This board also contains 12k RAM 16 bit CRC generation and checking Z80 PIO used for disc status reading and con trol under CPU software control data sep arator and data encoder that can be used for single density drives parallel serial con verter and wait control logic to allow the Z80 CPU to transfer data to or from the disc under software control and parallel I O port As part of these two boards the Zilog Disc Operating System ZDOS is provided Third part of the new board series is the Memory Board RBM that allows the user to ex pand the series to 65K bytes in 16K increments This board uses low power high speed RAMs Each board in the series needs only 5volts to operate and each can be operated as an in dependent modular unit The boards have a Standard 122 pin connector with 100 mil spac ing Board size is 7 7 x 7 5 and fits in 0 5 spacings As an option Zilog offers the board set in a complete system including card cage systems chassis power supply two floppy discs and a front panel 10460 Bubb Rd Cupertino CA 95014 408 446 4666 LOW COST MODULES PCS has introduced a new line of lo
24. 5 without assembler and TINY BASIC ROMs 575 with ORDER DIRECT or at participating computer stores Other sys tems cards and kits also available from 96 MICROCOMPUTER ASSOCIATES INC 2589 Scott Blvd Santa Clara 95050 integrated circuits and 119 million for dis cretes This brought the year to date cumu lative shipment total to 2 8 billion These figures were revealed in the monthly Semiconductor Marketing Statistical report published by WEMA trade association for the electronics industries Data supplied by 49 U S based semiconductor manufacturers and includes estimates of sales and bookings for the few non participating companies Orders booked during October totalled 306 million divided 180 million for integrated circuits and 126 million for discretes The strong October sales resulted largely from increased shipments in U S and Western Europe Markets while other international markets remained relatively flat HOBBY MARKET 250 GROWTH The hobby computer market will increase by 250 this year from just under 7 500 units last year to more than 18 600 units by Jan uary 1977 according to a market study by Venture Development The study identified more than 100 computer clubs nearly a dozen Cont d on page 29 Volume 3 Number 7 29 January February 1977 EDUCATION MICROCOMPUTER COURSES SEMINARS CONFEREN CES Date title cost location sponsoring organization addresses on this page
25. 500 P O Box 61622 Sunnyvale CA 94088 408 245 1519 7 January February 1977 NEW ASSEMBLER EDITOR VERSION IMS Assoc is introducing a new version of its assembler editor package for 8080 micros The 40 price includes paper tape source list ing and user manual The package can now handle multiple device driver routines which are generated by the System itself Also the assembler s symbol table space has been enlarged to 8K The de bugger can handle multiple breakpoints num ber conversions and has tracing capability 1922 Republic Ave San Leandro CA 94577 415 483 2093 MICROC SYMBOLIC LANGUAGE SLAM Symbolic Language Adapted for Micro computers a compact powerful operating System designed to operate on Intel s Intellec 8 MOD 80 and MDS microcomputer systems has been introduced by PennMicro SLAM incorporates a text editor and a high level language interpreter in a package occu pying less than 3200 bytes of memory accord ing to the company With SLAM a user can create using the text editor then run ly using only the microcomputer SLAM uses a high level language similar to BASIC and 16 bit signed decimal numbers It features powerful I O and bit masking opera tions has a variety of conditional and sub routine commands and is totally symbolic in nature the user need not assign registers or memory addresses An optional feature per mits program development while the microcom puter is operating
26. Budget limits character rate option and batch rates make AMDASM cost competitive with in house versions AMDASM is on the time sharing service of Computer Science Corp It is accessible from a standard time sharing terminal from most major cities 408 732 2400 6502 PROGRAM EXCHANGE CENTER In the market for 6502 programs One wes tern company has recently opened the 6502 Program Exchange Center For 50 you can ob tain a complete listing of available software 2920 Moana Reno NV 89509 RELOCATABLE TRACING SIMULATOR Peters Associates is marketing their lat est software entrant TRACE 80 a relocatable tracing simulator for 8080 based systems with 4K memory Major features of the interactive debugging aid include selection of registers for print ing display on writing to user requested areas of memory and the capability of running the user program at full speed until a break point returns control to TRACE 80 In an al ternate mode TRACE printing is surpressed while a circular queue stores machine status for the last 100 instructions or branch com mands A breakpoint causes display of this list TRACE 80 also warns of probable errors in the user program such as store instruc tions to a non data area execution of unde fined commands and failure to return proper ly from a subroutine TRACE 80 includes a relocating loader re locatable object tape test cases and full documentation for a one time license fee of
27. Company PCC e Community Computer Center e Bay Area Microcomputer Users Group BAMUG e Professional amp Technical Consultants Assn PATCA e Amateur Research Center april 15 17 1977 san francisco Q77 1 12 by Computer Faire mm 1579 PALO ALTO 94302 ER x X Ar POSTAGE WILL BE PAID BY lt o 2 c gt 2 S gt ec N N eo z gt oO N Z lt gt o A e 2 eo m SRS SSO s UD UA US UD GAP SU GP SED s A SUD GP s Um esas GU Gm um Gm Gm m ap Dae eme o Gm UD gt GU Go UD UP GP AD UD UP On GD UD GP UD Gp UP D Ge s s ep lt Volume 3 Number 7 a desired profile stored and retrieved using digital and microcomputer techniques Capaci ty for up to 40 line segments is available with process resolution to one part in 1000 Programming entry into the micro s memory is via keyboard on the front panel Sixteen pushbuttons allow the operator to select 28 functions Box 24064 Minneapolis MN 55424 TRAFFIC CONTROL SIGNALS New York state s Department of Transporta tion is installing over one hundred 6800 mi crocomputer based traffic control signal sys tems The system receives data from up to 44 sensors on vehicle presence and speed pedes trian presence and others giving green light priority to the direction
28. D MICROCOMPUTER SYSTEM Da 8 BIT MICROPROCESSOR SEE BELOW as Qo CRYSTAL CLOCK CONTROLLED 1K x 8 STATIC RAM 2K x 8 PROM or 4K x 8 MASK ROM SOCKETS 24 32 BIDIRECTIONAL I O LINES INTERRUPTS DMA CAPABILITY POWER ON AUTO START FULL TEMPERATURE RANGE 0 TO 70 C SMALL SIZE LESS THAN 30 SQ INCHES 4 25 x 7 P C CARD ASSEMBLED AND TESTED A CARD NEVER BEFORE EQUALLED HIGHEST PERFORMANCE PER SQ INCH YOUR CHOICE OF MICROPROCESSORS PICK THE ONE THAT BEST FITS YOUR OEM APPLICATION IF YOU COMMIT TO 100 OR MORE CARDS YOUR PRICE IS 275 qoe Microcomputer Associates Inc 2589 Scott Blvd Santa Clara 95050 408 247 8940 lt m es lt D es D A ss E ED ss A gt h D es es ss ss es es m se ew a um lt Q JS ee Permit No 243
29. INTERSIL CUTS Harris Semiconductor division reports it is cutting prices on its 6100 microprocessor in response to a similar move by Intersil Harris spokesman did not release specific prices but said the prices would be competitive 10 MARKET INCREASE SEEN The U S Commerce Department s 1977 Indus trial Outlook released last month forecasts a 10 increase in this year s total U S elec tronics market to 58 39 billion The larg est market segment area is in the computer e quipment up 14 to 12 billion and C s up 15 to 2 61 billion SEMI SALES REACH 303 MILLION U S Semiconductor manufacturers reported total worldwide sales of 303 million during the month of October October sales were divided 184 million for January February 1977 SU PE R JO LT features TINY BASIC I ASSEMBLER and DEBUGGER ROMS on board READY TO RUN IMMEDIATELY CONNECT THIS CARD TO MOST ANY TERMINAL AND YOU VE GOT ALL THE MICROCOMPUTER HARDWARE AND SOFTWARE PROGRAMS YOU MAY EVER WANT SINGLE 41 x 7 PC CARD YOU GET ALL THIS e 8 bit 6502 processor 1 024 byte static RAM 32 bidirec tional programmable I O lines 1 MHz crystal controlled clock e intervaltimer 4interrupts including timerand non maskable e 3 serial interfaces 20 mA currentloop R8232and TTL 5 120 bytes resident ROM software including a single pass symbolic assembler a TINY BASIC and a Debug Monitor AVAILABLE NOW 37
30. January 10 13 Microprocessors Fundamentals NSC 395 Coral Gables FL 305 661 7971 11 12 Microprocessor in Mfgr and Control 395 Cincinnati OH Int Comp Sys 11 14 Microprocessor 300 San Jose CA Fairchild Micro Systems 13 14 Microcomputer Software Systems 395 Cincinnati OH Int Comp Systems 14 18 Microprocessors and Microcomputers Theory and Applications 425 George Washington University WA D C 17 20 Microprocessors Fundamentals NSC 395 Santa Clara CA 408 247 7924 17 21 SC AMP Application NSC 395 Coral Gables FL 305 661 7971 18 LSI 11 Technical Seminar Free Palo Alto CA DEC 18 19 Microprocessors in Mfgr and Control 395 Toronto Canada Int Comp Sys 18 20 Microprocessors 365 Hampton VA George Washington University 20 21 Microcomputer Software System 395 Toronto Canada Int Comp Systems 21 27 SC AMP Application NSC 395 Santa Clara CA 408 247 7924 24 26 Integrated Circuits and Applications 360 Washington D C George Washington University 24 27 PACE Application NSC 395 Coral Gables FL 305 661 7971 25 27 Microprocessor Short Course with take home Computer Wintek Corp 902 N 9th St Lafayette IN 47904 317 742 6802 27 RCA Cosmac Free Elmar Electronics 2288 Charleston Rd MT VW CA 415 961 3611 25 28 F8 Microprocessor 400 Miami Florida Fairchild Micro Systems 30 3 Advanced Programming NSC 395 Coral Gables FL 305 661 7971 February l 3 Microprocessor Sho
31. Memory 56 60 interface 60 75 171 Bridge Rd Hauppage NY 11787 516 234 0400 PROGRAMMER BOARD A PROM RAM PROM Programmer Board for the Altair 8800 IMSAI 8080 and other S100 bus microcomputers is now available from Xybek This 2K memory board contains 256 bytes of RAM and space for 1792 bytes of 1702A PROMs One of the 1702A sockets doubles as a 1702A programmer The PRAMMER is not an I O device but occupies any 2K slice of system memory The kit is complete with its own 80V power Supply and features on board timing independ ent of the CPU clocks It contains its own microprogram for read and write control In troductory price is 189 with the extension kit at 15 Box 1631 Cupertino CA 95014 SOFTWARE MAINTENANCE PROGRAM A spokesman for a local electronics firm this week announced a digital computer program that through fresh application of an old tech nique virtually eliminates lost time due to malfunction of computer components Called OREMA oh Ray ma from the Latin oremus mean ing let us pray the program offers pray ers at selected time intervals for the con tinued integrity of memory units tape trans ports and other elements subject to depravity Basically liturgical in structure Orema uses standard petitions and intercessions sto red on magnetics file tapes in Latin Hebrew and FORTRAN It holds regular Maintenance Services thrice daily on an automatic cycle and operator intervention is required
32. OMMUNICATIONS MICRO International Computer Products Inc s TD 1 Termidisk communications oriented micro computer is equipped with one to four standard IBM compatible diskettes The 2 450 unit is designed for data collection time sharing and business communications Interfacing is via 20 mA current loop or RS232 2925 Merrell Road Dallas TX 75229 AUTOMATIC CONTROLLER Available with either CRT or LED displays a new 2600 automatic controller that uses a microprocessor for positioning up to four axes for a combination of linear or circular motion is being offered by Anorad Corp The system features a 12 V CMOS bus inter connecting the microprocessor to all input and output devices All logic controls are CMOS SMART VOLTMETER John Fluke Mfg Co s Model 8500A 5 digit voltmeter is using an 8080 microcomputer to achieve efficiency and versatility The mi croprocessor allows communications with the instrument from either a front panel or a re mote keyboard terminal DECWRITER GAINS INTELLIGENCE Providing intelligence system programma bility and buffer memory for DECwriter LA36 or LA180 terminals a new Communications Con troller from Applied Systems Corp controls data networks at rates up to 9600 baud using asynchronous synchronous modems or computer interface adapters An 8080 microprocessor provides communica tions protocol control code conversion edi ting local data processing or custom pro gramming
33. RAN compiler said to run on any 8080 system with a minimum of 16K bytes is available now from Unified Technologies Inc The program produces a formatted output han dles one to 31 character symbolic names and will perform single or double byte integer arithmetic An optional floating point pack age is available Priced at 750 the compiler is available on an IBM type diskette paper tape or PROM Islington Ontario DOS AND BASIC SYSTEM OFFERED A disc operating system and a compiled BASIC language system for the 8080 micro are being offered by Intelligent Computer Systems Included in the software are debug capability an assembler text editor BASIC compiler and a BASIC interpreter Software features include sequential and random access file manipulation print edit ing assembly routine linking sub routine linking and program chaining through console control Also included are binary and logic operations 7 digit variables 255 character string variables and two dimensional arrays 777 Middlefield Rd Suite 40 Mountain View CA 94043 415 961 8941 NATIONAL CSS EXPANDS LIBRARY A substantial increase in its microcomputer software library currently consisting of 25 microcomputers from 15 manufacturers has been announced by National CSS Inc Added products includes AMD 9080A SMS MCCAP NSC SC MP and Zilog 2 80 Products from AMI Electronic Arrays Fairchild Intel MOS Tech nology Raytheon RCA Rockwell Int S
34. Try other variations The best way to learn how to program your computer is by studying an easy to understand operating program and changing it to see what happens Bit by bit under standing will come And it s nice to know that in the meantime your system can be working while you re learning When you re ready for more so are we Here are a few programs we have for you TINY BASIC EXTENDED 5 00 TINY BASIC GAMES Volume 1 Chomp Checkers Tic tac toe Digiguess and Brainteaser 5 00 Volume 2 Artillery Dr Therapy Reverse Biotythm and Golf 5 00 Volume 3 Taxman Snark Trap Number Square Root and Clock 5 00 Volume 4 Hamwurabi Stars 23 Matches 20 Questions Blackjack Factor and Batum 5 00 Volume 5 Bomber Lunar Lander Spacebattle Matador and Dice 5 00 Volume 6 Chief Mr Quizzer Addition Subtraction and Multiplication 5 00 GALAXY 1976 SCELBI Computer Consulting Inc 7 50 ALSO 4 80 Educator 10 00 7 80 Assembler 15 00 Z 80 Dis Assembler 10 00 7 80 Text Editor 7 50 And many mote Here s how to get going First take a look at our hardware we ve pictured it here in our new line of cabinets Then just fill in the coupon below for all the details on our systems
35. Y 6596 Intersil Inc has reduced prices on all grades of its IM6100 microprocessor up to 65 The IM6100 CCPL a 3 3 MHz circuit in a Volume 3 Number 7 28 plastic package has been reduced from 25 20 to 15 in 100 lots IM6100 IPL a 4 0MHz device in plastic was cut from 46 80 to 16 50 in 100 lots and the IM6100 AIPL an 8 0 MHz chip was reduced from 67 to 23 60 in the same quantities Military temperature range versions of the 4 0 MHz and 8 0 MHz devices were cut from 100 to 52 80 aand 143 to 76 25 respec tively 10900 North Tantau Ave Cupertino 95014 408 996 5261 F8 VIDEO GAME PRICES HIKED Fairchild Camera amp Instrument reports it has raised the price of its F8 based video game from 150 to 170 The price change is said to be a result of design modifications needed to meet Federal Communications Commis sion standards The Fairchild game Model FVE 100 has two resident games dual hand controls color and sound ZILOG BIDDING ON 8080 MARKET Zilog has reduced the price of its Z 80 mi croprocessor by 51 from 25 50 in 100 lots The firm also reduced its large volume negoti ated price on the device to under 10 from a previous volume price in the 20 range The move is said to be prompted by the an nouncement of Intel s new 8085 family as well as Zilog s desire to compete with 8080A family suppliers at the low priced end of the general purpose microprocessor market HARRIS FOLLOWS
36. and store data A paper tape reader can be used to input the desired data and a paper tape can be generated to store the PROM data for later user or modifica tion The paper tape may be in BNPF BHLF binary or ACSII hexadecimal format The programmer will also automatically adapt to any terminal baud rate up to 6000 baud The user can modify both the pulse width and the Volume 3 Number 7 plant production operations The unit pro vides 24 output control lines which may be ex panded to 120 separately controllable lines Software programming can be provided by the company Lakeside CA MEMORIES AND PERIPHERALS DESKTOP DISPLAY TERMINAL The VT71 t desktop display terminal for the printing and publishing industry is designed around DEC s LSI 11 microcomputer The term inal permits internal storage and editing of up to 40 000 characters of copy Custom edi ting features can be added to the system PROGRAMMABLE DATALOGGER The 90MC is a microcomputer based field programmable datalogger and monitor Consoli dated Control s unit features include acquisi tion rates up to 100 points per sec capacity to 1 000 points with four multiplexing assem blers programmable alarms and battery pro tected programming Bethel CT pu C CBASED SWITCHBOARD Datapoint Corp is introducing a microcom puter based switchboard designed to cut large corporation telephone bills by 30 to 50 In fo switch first checks the priority rating of a
37. ary 1977 SN a NS Le a ee SPECIAL FEATURES SINGLE CHIP MICROCOMPUTER crystal timing resistors and capacitors and cable drivers The chip itself contains all functions required for digital processing and control and all generally required I O logic inter faces latches and buffers Basic subsystems on the chip are o 8 bit central processor with an intern ally expandable register stack array 96 instructions and 2 5 us instruction cycle o Basic peripherals and utilities including a programmable interval time event counter two built in priority interrupt vectors system clock generator and a full set of timing and control utilities 1K program storage in ROM and EPROM and a 64 byte static RAM for read write data storage registers and stack o 32 line I O subsystem with three lines for interrupts jump tests and extra clock rate and five system bus controls The processor can service inputs and out puts on the same ports set and reset bits and perform logical processing operations on data right as the I O ports The instruction set is designed to simplify applications programming enhance throughput and increase the effective capacity of the resident program memory It includes numerous branch instructions to make logic functions easy to implement Most instructions are sin gle byte The central processor can operate as a byte processor 8 bit parallel binary proces Sor 4 bit binary or BCD arithmetic processor
38. ase arrangement or on a continuing royalty basis 2450 Alamo S E Albuquerque NM 87106 PERSONAL COMPUTING SHOW Personal Computing Magazine has announced that Los Angeles Philadelphia and Boston will be the sites of the first regional Personal Computing Shows The shows will feature ex hibits of new microcomputers for home schools and small businesses Tom Munnecke president of Metasystems in Riverside CA will conduct three seminars de signed to show the average person how to pro gram a personal computer Patricia Wood a member of the Southern California Computer Society will conduct a seminary on how to build a computer from a kit For the more ad vanced computerist Dr Adam Osborne author of the best seller Introduction to Microcom puters and Dr Rodnay Zaks author of more than thirty books and publications in the com puter field will teach six intensive courses January February 1977 on microprocessors A number of other spec ial seminars and programs are being planned Dates and sites of these three shows are Los Angeles March 19 International Hyatt House Philadelphia April 30 Marriott at City Line Boston June 18 Hynes Auditorium Tickets are 10 401 Louisiana S E Albuquer que NM 87108 5057 266 1173 FAIRCHILD DATA WORKS ACQUISITION The acquisition of Data Works Instrumenta tion in Chatsworth CA has been announced by James D Bowen vice president and general manager of the Instrumentati
39. be used as a 32 channel measuring tool Access to the microprocessor under test is by means of a clip on probe A probe buffer is positioned close to the probe to minimize loading of the MUT Different microprocessors require separate buffers The price of the DM is 2 900 which includes one buffer additional buffers are 750 De livery time is 60 days 169 Ridgedale Ave Morristown NJ 07960 201 267 4990 353 PICODAC 80 TRAINING COMPUTER Designed as a training computer to teach microcomputer principles and programming Picodac 80 allows analysis and display of the CPU with registers flags program counter and Stack pointer and permits visualization of elements such as memory inputs and outputs This enables debugging of various structure addressing modes and interrupts Introduced by Laboratories d Electronique et d Automatique du Nord the microcomputer contains an 8080 microprocessor with clock bus amplifier RAM and PROM which are all pluggable boards The console providing LED binary displays and switches is controlled by the program constituted in the memory board 236 rue Sadi Carnot 59320 Haubourdin France GENERAL PURPOSE INTERFACE The UPC 6001 offered by SMC Microsystems Corp is a general purpose interface circuit designed to act as a subcontroller between 8080 peripherals such as cassette recorders floppy discs punched card readers and etc It can also provide full control for direct memory
40. c three interrupt modes built in automatic dy namic memory refresh and eleven addressing modes The Z 80 CPU is completely inter changea ble with Digital Group s Cont d next page 8080A 6800 and 6500 CPUs A complete system is priced as low as 475 P O Box 6528 Den ver CO 80206 303 861 1686 COMPUTER POWER amp LIGHT Computer Power amp Light is selling its new COMPAL 80 microcomputer system for homes and small businesses at 1863 fully assembl ed guaranteed system includes an 8080A based CPU two serial I O ports one configured for audio tape cassette the other as TTY or RS 232 12K of RAM 16 x 64 characters and graphics 9 high resolution monitor ASCII keyboard enclosures and extended BASIC resi ding in 10K including formatted PRINT double precision all transcendental functions and user defined fuctions COMPAL 80 is easily expanded into a small business system with additional memory up to 32K dual floppy disc drive in IBM compatible format a choice of hard copy devides includ ing matrix and daisy wheel printer disc BASIC with multiple file handling and management features and various application programs written in BASIC The typical business system with printer sells for under 9000 ASTRAL DESIGN INCLUDES CABINET M amp R Enterprises 2000 microcomputer kit is specifically designed for ease of assembly and minimum debugging time The basic Astral com puter includes the cabinet m
41. c stock A definitive acquisition agreemont is expected to be completed some time in Febuary 1977 4K RAM BULLETIN Texas Instruments has published a 12 page Application Summary Bulletin entitled Intro duction to Refreshing TI 4K Dynamic RAMs Bulletin MOSA3 introduces refresh princi ples and their implementation It also com pares static and dynamic RAMs in terms of speed power consumption refresh requirements relative costs and power supply requirements Various kinds of simple refresh circuitry are outlined and block diagrammed including transparent cycle steal and burst methods Inquiry Answering Service P O Box 5012 M S 308 Dallas TX 75222 THREE VOLUME BASIC LIBRARY A three volume collection of programs writ ten in BASIC is now being offered by Scien tific Research Instruments EER IN a I a eS Volume 3 Number 7 27 Fe ee C MMCCRUM CK INE NN HEN ACA EUNDUM IRI ae RA CENT January February 1977 All programs in BASIC SOFTWARE LIBRARY are reported to have been thoroughly listed and executed on several computer systems includ ing microcomputers Each program is prefaced with text describing the program listing po tential users applications giving instruc tions for running the program states amount of memory needed to store and executes each program and noting statements which may need to be changed for certain implementation of BASIC Volume 1 BUSINESS a
42. deo interface con nects directly to either a monitor or a TV set via an rf modulator The interface dis Plays 24 lines of 40 characters and features automatic scrolling The Apple 1 uses 16 pin 4 K dynamic mem ory chips But when the 16 K RAMs become available some minor modifications to the Apple 1 board will make it possible to re place the 4 K chips with the larger memories for a total on board capacity of 32 k bytes 770 Welch Rd Palo Alto CA 94304 415 326 4248 JUPITER IIC HOUSES 6800 The Jupiter 11C microcomputer hardware con sists of an MC6800 based CPU 8k of RAM and 3k of ROM with a video terminal interface key board and a dual audio cassette interface Software includes a monitor debugger package with interrupt handling and I O monitor call instructions A programmable macro editor ex panded assembler and proposed ANSI standard BASIC is included The Jupiter is available in kit for 2200 and 3200 assembled Both offerings include 2 cassette units and a 12 in B amp W TV Wave Mate 1015 W 190th St Gardena CA 90248 213 329 8941 AMI S 6800 SUPPORT KITS American Microsystems Inc is offering three S6800 microprocessor and support parts in kit form They include the EVK 99 priced at 133 the EVK 100 at 295 and the EVK 200 495 A fully assembled and tested version the EVK 300 is offered for 765 The EVK 99 consists of a TW board with two edge connectors and nine 6800 family parts includ
43. es Another diagnostic briefly turns on all the solenoids in sequence to make sure they are all working It also checks the LED digits by cycling the scoring digits from 0 9 and back to zero OIL FLOW MEASUREMENT SYSTEM Because of the soaring cost of petroleum products major oil and chemical companies are now demanding more accurate measurement of their products at every point between the well head and the end consumer A microcomputer based flow measurement system developed by UGC Industries Inc of Shereveport LA is now providing petroleum processors with an ec onomical highly accurate means for measuring their spectrum of products in widespread lo cations Based around the Process Computer Systems 1806 microcomputer the Microflo measurement system can calculate the flow of liquids gas es or steam in volume mass standard 609F barrels or other units of measure INTERFACE UNIT Emerson Electric Company Industrial Con trols Division has introduced a new 8080 based RS 232 interface that will be offered as an option with the company s 2000 Series Tape Pac recorder systems Price is 1000 8080 BASED TERMINALS CONTROLLER To aid OEMs in capitalizing on the explo sive growth of data collection needs a new line of compact 8080 based terminals and con trollers System Control Units SCUs have been introduced by Epic Data Corp Three SCUs are available Model 1647 1 e lectro optically reads up to 12 columns on 3
44. es and as a result they could achieve substantial penetration The study also revealed o Bit slice microprocessors will become a major growth area as its share of the CPU mar ket virtually nil currently rises to 5 in 1977 and 20 in 1985 As the superior proces sing capability of bipolar bit slice unit be comes appreciated by industrial designers who do not now understand the technology its us age will grow at a rate faster than that of MPU shipments overall the study says o The 8 bit microprocessor which account ed for 60 of all shipments by unit volume in 1975 will decline to a 35 market share by 1985 The 16 bit units on the other hand which has a 10 market share currently will snare a 45 market some 10 years out Indeed shipments of 16 bit units at 2 million in 1975 are projected to soar to 183 million in 1985 o The outlook for the 4 bit microprocessor is entirely different Shipments at 5 1 2 million in 1975 will inch up to 7 million by 1977 and then decline to a negligible amount by the end of the decade Current sales for the 12 bit devices is less than 1 million and accounts for no more than 3 of the to tal market And though this figure will in crease to 5 over the near term the device will begin to fade from the scene starting about 1978 Among end users the chemical industry Will comprise the largest single industrial market for microcomputers by 1985 Here they January Februa
45. essor 300 San Jose CA Blacksburg VA 24061 703 951 6328 Fairchild Micro Systems 23 25 Fourth Annual Computer Architechture Sponsoring Organizations and Contacts Symposium College Park MD Dr B Wald 28 31 Advanced Programming NSC 395 COMPCON Spring 77 P O Box 639 Silver Spring Coral Gables FL 305 661 7971 Maryland 20801 28 31 SC AMP Application NSC 395 DEC 2565 Walsh Ave Santa Clara CA 95050 Santa Clara CA 408 247 7924 408 984 0200 30 31 Intel Memory Sys Design Seminar 15 Eurocon 77 AEI Viale Monza 259 20126 Milan Elmar Electronics 6777 W 50th St Italy Commerce City CO 303 287 9611 Fairchild Micro Systems 1725 Technology Drive San Jose CA 95110 408 998 0123 April Industrial and Scientific Conference Manage 2 5 SC AMP Application NSC 395 ment 222 W Adams St Chicago IL 60606 Santa Clara CA 408 247 7924 312 263 4866 6 7 Intel Memory Sys Design Seminar 15 George Washington University Continuing Eng 2288 Charleston Rd Mt Vw CA 415 ineering Education Program Washington D C 961 3611 202 676 6106 6 8 Microcomputer 77 Oklahoma City Integrated Computer Systems Inc 445 Ower Dr S C Lee University of Oklahoma land Ave Culver City CA 90230 213 559 13 Motorola 10800 Free Elmar Electronics 9265 6777 W 50th St Commerce City CO Dr S C Lee School of Electrical Engineering 303 287 9611 University of Oklahoma Norman OK 73019 18 21 Microprocessor Fundamentals NSC National Semiconductor Co
46. functions for one or more terminals Included are network communications line a dapters plus optional peripheral interface for CRTs flexible discs or tape cassettes 26401 Harpet Ave St Clair Shores MI 48081 AIRBORNE ALTITUDE SYSTEM Osborne Hoffman Inc has selected RCA s 1802D CMOS microprocessor for use in an air borne altitude system Information is dis played in both digital and analog form The digital shows altitude or depth within 1 Volume 3 Number 7 BEI USING MICRO Consisting of both motor encodes and con troller a microcomputer based BEI Electronics MPS 10 system provides many pre programmed nonlinear position output functions upon ex ternal digital command With 42 arc min reso lution and 1 rms accuracy this system offers almos 512 output instructions 1101 McAlmont St Little Rock AR 72203 501 372 7351 ENVIRONMENTAL SYSTEM Beukers Laboratories has incorporated five 6800 microcomputers into their WL 3DS Environ mental System The micros perform preproces sing on atmosphere profile measurements sup plied by free falling sensors Data is then logged on tape and sent to a Nova microcompu ter for processing DATA COLLECTION TERMINAL Coastal Data Services microcomputer based data collection terminal the Smart Clock in terfaces with virtually any type of processor The terminal which can operate in either a real time on line or stand alone mode reads up to 16 digits of Hollerith code f
47. hat provides a one to one compilia tion into assembly language instructions and sophisticated self repair redundant facilities Flight trials are scheduled for 1978 AMI TO BUILD AMD S 4K RAM Advanced Micro Devices has licensed Ameri can Microsystems Inc to build its proprie tary 4096 bit MOS static memory family For an undisclosed sum AMD will provide detailed technical assistance for the design of the AM9130 9140 and related low power versions AMD will also provide updated information as device improvements are made These TTL compatible circuits require only 5 V and are organized 1K x 4 and 4K x 1 The standard device offers speeds to 200 ns with maximum power dissipation of 550 mW while the low power version offers maximum power dissipation of 350 mW with speeds to 250 ns Volume 3 Number 7 MICROCOMPUTER SOFTWARE SOFTWARE DEVELOPMENT SYSTEM A software system to generate micro instruc tions for use with the AM2900 AMDASM system has been developed by Advanced Micro Devices Documentation now available explains how to interact with AMDASM to microprogram all control signals and memory to reduce proto type and developing time for 2900 systems This microprogram assembler provides soft ware assistance and documentation for writ ing and modifying microprograms and generating tapes for PROM programmers AMDASM includes a framework for a common language automatic accounting information and billing control
48. he microprocessor kit 8X300 KTl100SK is unit priced at 299 811 East Arqu s Ave Sunnyvale CA 94086 404 739 7700 LOW COST DEVELOPMENT SYSTEM Hardware and software designs that involve the SC MP 8 bit microprocessor can easily be developed and quickly tested with a new Low Cost Development System LCDS now avail able from National Semiconductor According to Hashmukh Patel marketing man ager for the SC MP microprocessor family the Low Cost Development System is a simple con troller configured with a SC MP CPU card plugged into one of four sockets in a card bus on a 10 x 12 motherboard Along with the CPU card the motherboard also contains a l6 key dual function hexidecimal keyboard four keys that control function three control switches and 6 digit hexidecimal LED display With the basic LCDS configuration alone control logic scratchpad memory and ROM based firmware on the motherboard allow the user to alter the SC MP registers and memory locaters run SC MP programs in continous or single instruction mode and even operate with an optional TTY using SC MP DEBUG The LCDS features easy interfacing and ex pansion four pre wired 72 pin edge connector Sockets provide a plug in interface for SC MP family cards and also allow interconnection of additional SC MP applications hardware The built in control and monitor functions in the interface logic of the LCDS permit transfer of control between resident firm
49. he study finds Report 431 106 Fulton St New York NY 10038 212 233 1080 SINGLE CHIP F8 OFFERING Mostek Corp has unveiled a new single chip microcomputer that offers complete F 8 software and hardware compatibility 2K x 8 of mask PROM and a single 5 volt power re quirement The N MOS device MK 3870 is fully compatible with the existing F 8 multi chip family and can execute the entire F 8 instruc tion set System implemented with the 3870 but eventu ally requiring more memory or I O can simply upgrade to the expandble MK 3850 without major redesign or software development Feature in clude 2K bytes of mask PROM 64 bytes of scratchpad RAM and a module N binary timer and multiple clock modes The 3870 is support ed with a complete line of developmental tools the Software Development Board the Application Interface Module and the Emulator 70 for field prototyping The 3870 will be available in the first Volume 3 Number 7 quarter of 1977 with prices under 10 for 100 units 1215 W Crosby Rd Carrollton TX 75006 214 242 0444 8X300 EVALUATION KIT An evaluation kit that allows design engi neers to evalute the Signetics 8X300 bipolar microprocessor for planned applications is now available from Signetics The single board evaluation kit includes bipolar microprocessor 4 I O ports 256 bytes of RAM PROMs in the kit are preprogrammed with I O control logic RAM control and RAM diagnostic programs T
50. idland Ave Paramus NJ 07652 Volume 3 Number 7 CASSETTE TAPE TRANSPORT For use in microcomputer systems the Mod el CS400 TTL compatible cassette tape trans port requires a 14 30 V power supply The transport manipulates serial data at 8kpbs and records 800 bpi at 10 ips With its dual channels CS 400 lets you write one track switch channels change direction and continue writing on the other track without rewinding The system utilizes Manchester phase encoding and provides ANSI compatible data It is priced at 350 each in 1000 lots 11950 Twelfth Ave South Burnsville MN 55337 612 890 5135 MICRO FLOPPY DISKETTE DRIVE Wango has introduced their Micro Floppy diskette drive with a track to track access time of 30 ms a random average seek time of 370 ms and a large quantity price of 300 The unit has a basic capacity of 109 4K bytes on 35 tracks However a variety of capacity increasing features adding tracks double density recording using both sides of the disc and various combinations of these techniques can increase the capacity to 498 8K bytes 5404 Jandy Pl Los Angeles CA 90066 213 390 8081 MOTOROLA INCREASING LINE Motorola has revealed it is increasing its Micro Module line with eight new offerings as well as a printer and software Software ad ditions will include an 8K BASIC interpreter and DOS The printer will be manufactured by Okidata Motorola did not detail the functions of the eight ne
51. ignet January February 1977 ics Texas Instruments and Intermetrics are also available on the network which is claimed to have the largest library available on an inter active time sharing basis 542 Westport Ave Norwalk CT 06851 TWO PASS MACRO ASSEMBLER A two pass macro assembler a linking load er and a text editor designed for use on 8080 based microcomputer development systems is being offered by muPro Inc The assembler and linking loader are available in cross or resident versions with the resident version requiring 8K bytes of memory and 2K bytes for the loader The text editor requires 4K bytes of resident memory Both resident programs can be purchased together for 1 250 The assembler is said to provide a cross referenced symbol table and enable high level syntax to be used for struc tures such as loops and conditional branching Resident assembler and loaders are priced at 975 each while the cross version is 1250 The text editor is 350 media is either paper tape or diskette copy Sunnyvale CA FORT 80 A FORTRAN compiler FORT 80 compiles a subset of ANSI FORTRAN IV which produces 8080 machine language object code It requires 16K bytes of memory 12K for the compiler and the remainder for work space The object code produced by FORT 80 can be linked to additional machine language subrou tines to make a complete program Symbolic names containing 1 to 31 characters may be used However onl
52. in B in E JLB B fi dos ph uw ERAI PPM ag M 1 E S gt San Francisco Bay Area Where It All Started Has Its First Home Computing Convention 7 000 to 10 000 People 100 Conference Presentations 200 Commercial amp Homebrew Exhibits Two Banquets with Outstanding Speakers Special Interest Social Centers Publication of Proceedings Being Planned In Northern California s Largest Convention Facility San Francisco s Civic Auditorium CONFERENCE SECTIONS ON HOME COMPUTING Being Planned e Computer Graphics on Home Computers Software Design for Personal Computers e Computer Driven amp Computer Assisted Music Systems Microprogrammable Microprocessors for Hobbyists e Speech Synthesis Using Home Computers Optical Scanning for Inexpensive Program amp Data Input e Computers amp Amateur Radio e Floppy Disc Systems for Home Computers Computer Games Alphanumeric amp Graphic Hardware amp Software Standards for Personal Systems e Personal Computers for the Physically Handicapped e Seminars for Club Leaders Editors Organizers etc Computers amp Systems for Small Businesses Personal Computers in Education associated with a e Tutorials for Hardware Novices amp Software Novices University of California short course AND MUCH MORE PRESENT WORLD amp FUTURE WORLD BANQUET SPEAKERS Banquets
53. ing a 6800 to address up to 65K of mem ory four 128 x 8 RAMs and one PIA The EVK 100 includes the same plus terminal communi Volume 3 Number 7 cations capability The EVK 200 comes with all the above fea tures including the I O interfaces memory a Single EPROM device on board EPROM pro rammer and a crystal clock The fully assembled version of the kits the EVK 300 includes a tiny BASIC tape which can be programmed into the four EPROM chips Z 1 DEVELOPMENT SYSTEM The Z 1 development system from peripheral maker Cromemco is based on the Zilog Z 80 4 chip Besides the chip the 2495 system has 8K RAM 8K PROM PROM programmers RS 232 in terface and a 28 amp power supply Mountain View CA PRO LOG ANNOUNCES 9002 CARD Pro Log Corp has added the PLS 891 to their line of microcomputer design cards Based on the EA9002 the card contains 64 bytes of Scratchpad RAM 2K of PROM and 2K of ROM and several I O ports which consists three latched 8 bit output ports and two 8 bit input ports Output drive is lOTTL loads and input loading is one TTL load The microcomputer has an instruction ex ecution time of 3 2 us for one byte and 6 4 us for two byte instructions The clock is on board the card Power requirements are 5V at 1 8A and 10V at 0 5 2411A Garden Road Monterey CA 93940 408 372 4593 8080 EXPANDABLE CARD RACKS Two expandable 8080A microcomputer card rack systems pre wired for 10 cards with con
54. ing central system first introduced by the Instruments Division of Barber Colman Co features microcomputer control MACO 11 controls all molding machine parameters and alarm set points feiss stems gee ee eS ee ee ee NN a eS ee ee eee eee Tl Volume 3 Number 7 13 January February 1977 ww TW usr r Saag Se ea a rn a S MICROCOMPUTER BASED PRODUCTS PICK amp PACK MACHINE A computer based pick and pack machine which loads four standard die trays is being offered by Mechanization Associates A micro computer is used to calculate the last filled die position in each tray and then calculate the movement required to move from the present position to the next empty pocket in the tray selected BUFFERED TAPE CASSETTE TERMINAL MFE has designed a u8080 controlled buff ered tape cassette terminal built around the MFE 2508B cassette drive The Model 5000 per forms edit search and communications func tions Operating at speeds up to 120 cps the 1995 drive stores 175 000 bytes of formatted data It employs read alter write and CRC for error detection It also includes routines for error correction Salem NH 03079 uC CUTS ENERGY COSTS Lund Inc is using PCS Micropac 180 mi crocomputer control system to cut energy costs 17 in six of its Minneapolis supermarkets The 180 controls the operations and main tains the performance efficiency of refrigera tors freezers the central
55. ion LED display and 30 programmable LED descriptors The terminals are programmed to user speci fications and employ distributed processing techniques that share functions between the terminal in store concentrator small compu ter and host mainframe The basic terminal with 32K of RAM is available at a price of 4 145 Dayton OH uC IN MILITARY PROGRAMS United Technologies Corp s Norden division is developing a microcomputer based upon AMD s Mil Spec 2901 4 bit bipolar slices Config ured in a 16 bit system the microcomputer will be used in two military programs One as a digital moving target indicator and automat ic target detector system designed to be inte grated with an existing U S Navy shipboard surveillance radar The second is an update of Norden s F 111D display equipment p C DIGITAL CASSETTE RECORDER DCR110 a microcomputer based digital cas sette recorder logs data from any user speci fied instrument in formats readable by TI s Silent 733ASR Wang s 2200 series and DEC s Decassette The 1885 DCR 10 is standard with custom cabling for interfacing to the data sampling instrument William Palmer Indus tries 1627 Pontius Ave Los Angeles 90025 REDUCES PROGRAMMING COSTS The Model 5600 MicroDATA TRAK reduces pro gramming costs and increases flexibility for industrial process programmers by providing one or two analog set point programs for pro cess manipulation vs time plus seven program mable
56. l data at any baud rate as well as any code con version required William Palmer Industries 1627 Pontius Ave Los Angeles CA 90025 DEVELOPMENT PRODUCTION CARD An 8080 9080 microcomputer board that serves both development and production application is now being offered by Quarndon Electronics The QMS 80 1180 offers 2K bytes of RAM full memory address decoding built in single step circuitry RS232 and 20mA serial interface and 1 5K bytes of PROM containing a monitor program I The QBUG monitor expandable to include a full mnemonic direct assembler operates in octal or hexadecimal and communicates with either a serial or parallel terminal It al lows alteration of memory locations or blocks Four breakpoints may be set to display all the register contents when a given address is en countered and blocks of memory contents can be moved to a new locations Slack Lane Derby England 32651 ZILOG OFFERING FULL Z 80 CARD LINE A new compact microcomputer board set has been introduced by Zilog The board consists of microcomputer board MCB and a disc con troller board with RAM memory MDC and a 16K RAM card RBM 5 a The MCB uses the Z80 as its heart and con tains 4K bytes of RAM with sockets available for up to 4K bytes of ROM PROM or EROM The board contains one serial channel for use by CRT and two channels of parallel I O Other features include o Programmable full duplex serial I O port with RS 232 Volume
57. lf ATR rack by adding plug in circuit boards Words may be announced by providing a 4 bit word and 3 bit board address and enable sig nal A male voice is used to achieve high fi delity with natural human sound 1640 Monro via Costa Mesa CA 92627 MICROFLOPPY A floppy disc system with operating soft ware and interface electronics to provide complete plug compatibility with popular micro computers has been announced by iCOM a di vision of Pertec Computer Corp Called the Microfloppy the system is priced at just 1 095 Model FD 2411 includes the flexible disc drive power supply cabinet controller interface card power cord fuse and all cables The unit incorporating an ICOM s FDOS M software on diskette is fully factory assembled and tested and is ready to plug in Additionally as a limited time of fer an 8K BASIC software package is included at no additional charge The iCOM FD2411 is 100 compatible with any microcomputer using the popular Altair bus format The controller interface card con tains all of the electronics necessary to in terface the floopy disc to the microcomputer The card incorporates an LSI controller chip that offers automatic track seek with verifi cation single or multiple record read write with automatic sector search auto CRC ad dress mark detection entire track read and entire track write for diskette initialization 6741 Variel Ave Canoga Park CA 91301 213 348 1391 Vo
58. lude load clear go step key copy data in data out and counter up down The profile card includes high voltage pulse regulator timing 8 bit address and 8 bit da ta drivers receivers Programming is in 20 minutes copying in 5 minutes Requires 5 9 and 80 volts Assembled version is 299 95 and kit is 189 95 1244 Lambert Circle Garden Grove CA 92641 714 539 0735 THREE PROGRAMMERS MARKETED Three different types of PROM programmers are offered by CCIP The PRO 2000 VIC is used for programming only 1702A PROMs Infor mation is inputted via switches and is dis played on LEDs The other two programmers are microcomputer controlled and accept the PROM types 1702A 2704 and 2708 A hexadecimal keyboard pro vides input data to the PRO 2001 and data is presented in hexadecimal format on a LED display Optionally a TTY or paper tape reader can be connected 19 January February 1977 The PRO 2002 unit must be connected to a TTY The PROMS are programmed through the keyboard as well as through the paper tape reader Prices of the three programmers range from 423 to 2116 7104 Obersulum Willsback Schillerstrasse 2 West Germany 07134 3014 EUROPEAN uC PROTOTYPE BOARDS Vero Electronics is offering a series of mi crocomputer prototype boards that comply with European DIN standards All boards are pre assembled with wire wrap DIPS testpoints and component mounting pins A CPU board is priced at 60 11
59. lume 3 Number 7 26 GE gm PT P CINQ C IE SET PEOPLE LITERATURE AND EVENTS uP MARKETING GROUP FORMED A new MOS microprocessor marketing organi zation to focus on specific industries and applications in addition to products has been announced by Norm Rothstein MOS micro processor marketing manager at Signetics The new organization creates five manage ment functions four of which have been filled PAUL D HANSEN is product merchandising man ager GARY D MILLER is product sales manager MICHAEL M ZYLA is product planning manager and THOMAS MARSHALL is business manager The post field support manager for the division has not yet been filled but will be soon according to Rothstein SOFTWARE SUBSIDIARY FORMED MITS INC has formed a new subsidiary comp any designed to provide Altair microcomputer users with application software Announcing the formation of the Altair Software Distri bution Company MITS President Ed Roberts said The ASDC will provide a mechanism to make certain that Altair computer users have application software that meets their needs and will be fully supported for years to come The Altair Software Distribution Company will acquire software from persons around the country The software will then be carefully evaluated throughly checked for errors doc umented and distributed through all Altair Computer Centers The ASDC will contract for application software on either a direct pur ch
60. mp RECREATIONAL PROGRAMS is 24 95 Volume II MATH ENGINEERING STA TISTICS amp PLOTTING PROGRAMS is also 24 95 Volume III BILLING A R INVENTORY PAYROLL ETC is tagged at 39 95 Combination price of Volume I amp II is 39 95 and 69 95 for all three texts P O Box 2096 Ashland VA 23005 MICRO PRODUCT MARKET REPORT The new micro products market is growing in every direction and Datapro s latest re port on microcomputers covers 125 models nearly four times as many as their report a year ago Selection and utilization of microcomputers is discussed for large specialized systems or smaller stand alone application systems This 32 page report offers comparison charts and guidelines to aid in selecting microcom puters as well Details on packaging hard ware chatacteristics performance software applications and pricing from 65 vendors is said to be included 12 1805 Underwood Blvd Delran NJ 08075 TECHNITROL 8080 MANUAL Written for non computer oriented profes Sional the 170 page examination of the Intel 8080 is said to cover flowcharting and program ming techniques with typical problems 13 95 Technitrol Inc 1952 E Allegheny Ave Philadelphia PA 19134 NSC DROPS PACE PRICE National Semiconductor Corp has reduced the price of its 16 bit single chip PACE mi croprocessor ISP 16A 520D from 40 to 20 in 100 lots In quantities of 1000 to 15 and in 5000 quantities to 13 6100 PRICE CUT B
61. n a step by step manner Hardware software trade offs can be easily studied and circuit designs tested extensibly since the computer and breadboard communicate via the computer s programmable parallel I O Board Features of the 435 kit include easy ac cess to signals for probing connection of multiple computers and breadboards use of LEDs as latched and unlatched level indicators and capacitors into solderless terminal strips 14860 Wicks Blvd San Leandro CA 94577 SMARTER FLOPPIES The addition of an Intel 8080 microcomputer to the Three Phoenix Co s FD 33 floppy disc tester allows for new tests such as amplitude resolution determination dropout extra pulse and modulation The microcomputer also allows users to se lect exactly what tests they wish to have per formed or to develop their own custom tests In the future the manufacturer plans to offer requesting users custom software packages 0632 N 215 Ave Phoenix AZ 85029 602 944 2222 SUPPORT PRODUCTS Shepardson Microsystems has announced the first in a line of products being developed to aid users of microcomputers in their system development The first product Model 2708 PROM programmer is an intelligent programmer that will program all major manufacturer s 2704 and 2708 PROMS Model 2708 listed at 850 provides RS 232 and 20 mA current loop interfacing and an internal microprocessor Full editing capability is provided for users to move alter
62. ocom puters can be an effective vehicle to do Cont d on page 4 d EORR Uwe m DRAN OEY T NN VERRE age SO die Print Your Heart Out With help from the Digital Group naturally Now that small computer system you own or have been considering for personal or business use suddenly be comes a lot more usable with the addition of a full size impact printer from the Digital Group A printer designed for small computers that need big output like yours With the Digital Group printer you can print your heart out and it won t cost an arm and a ke The Digital Group printer is available for less than 500 That s right 500 Just look at these specifications Fast 120 characters per second 96 characters per line 12 characters per inch horizontal 6 lines per inch Makes up to 4 copies simultaneously Character set and pitch variable under software control double width characters etc 5 x 7 character matrix Ribbon has built in re inkers for a life of 10 000 000 characters Paper can be either a standard 815 inch roll fanfold or cut page Interfaces to 8 bit parallel ports There are lots of capabilities and outstanding features of the Digital Group printer and as always the best news is our price Kit prices start as low as 495 for the printer and interface card It simply can t be beat Find out all the facts about the Digital Group printer now
63. of the heaviest traffic INTERACTIVE TERMINALS Log Abax has introduced a new interactive terminal that contains a microprocessor The 8008 lets the terminal communicate in ASCII BCD and Telex codes at speeds from 75 to 4800 baud either synchronously or asynchronously Operation in full duplex half duplex and echoplex modes is possible SLASH 6 COMPUTER Harris Corp s SLASH 6 computer is designed around a high performance 8 bit bipolar mi croprocessor Its I O structure permits the sharing of peripherals in multiple CPU config urations The memory is expandable in 48K byte increments to 768K bytes maximum SLASH 6 with 48K bytes of memory is priced 14 500 MICROS MANNING WEATHER POST 8080 microcomputers will be working along side Air Force observers later this year to demonstrate automated techniques for airfield operation weather support The Modular Auto mated Weather System Monitor MAWS is expec ted to handle most of the observing and short range forecasting chores of a base weather Station Weather data will be processed fas ter in greater detail and for a lower cost than is presently being done MICRO AIMS ARMY S LATEST TANK The Army s new 1 battle tank now in the development stage at Chrysler Corp includes a digital ballistic computer with a microcom puter designed to determine proper aiming off 16 January February 1977 sets for the weapon system in horizontal and vertical planes C
64. ogrammable parallel I O lines serial I O ports system clock system controller multi level vectored interrupt control and programmable interval timer and event counter Typical instruction cycle time is 1 3 us System performance overlaps that of TTL logic systems allowing it to be used in high per formance applications ranging from controllers to 8 bit minicomputers 3065 Bowers Ave Santa Clara CA 95051 408 246 7501 TECHNOLOGY MICROCONTROLLER OFFERED WD 40 a single chip microcontroller for dedicated computing and control applications is a new standalone 40 pin device requiring few or no support circuits It contains its own register file mask programmable control ROM output PLA internal oscillator and power reset circuitry The Western Digital chip requires only a single power supply and is directly TTL compatible An editor as sembler and simulator are also available Another chip comes in a 64 pin package with internal control RQM inputs and outputs available on the outside for direct connec SS qachwaappua asisss ss sssi Volume 3 Number 7 6 January February 1977 GS a a a ET tion to PROMs A development board containing the 64 pin chip and PROMs is also available WD 40 has two programmable interrupts and one wait input Scanned output and 16 static outputs can drive an 8 digit numeric display Its instruction set is applications rather than computer oriented instruction format is register to register M
65. on Systems Group of Fairchild Camera and Instrument Corp Data Works Instrumentation manufacturers microcomputer based data acquisition and anal ysis instruments used primarily in solar en vironmental and process industries The in struments are fully programmable and perform calculations on acquired data Details of the acquisition were not released TRACE SEMINARS Peters Associates is holding a series of seminars on their line of resident tracing programs for 8080 Z 80 and MC6800 microcom puter systems For further information and reservations for the free seminars contact P O Box 61622 Sunnyvale CA 94088 408 245 1519 PEOPLE ON THE MOVE Elmar Electronics in Mountain View CA has increased their Microcomputer Technical Staff to four with DUNCAN PETERSON a former con sultant and staff member of the University of California Berkley JOHN TOROK has joined Intersil Inc as product marketing engineer in the firm s Low Power Product Marketing group a new post created as part of the group s recent expan sion INTERFACE AGE formerly SCCS INTERFACE is now an independent publication covering the home computer market SCCS however is con tinuing to publish their magazine INTERFACE as the official magazine of the computer so ciety Other recent hobby magazine startups include PERSONAL COMPUTING by Benwill Publi shing and KILOBAUD by Green Publishing EDWIN J TURNEY former vice president of marketing at Elect
66. on off event functions Programs are generated by best fit straightline segments of Volume 3 Number 7 number of loops in programming a PROM when used in conjunction with a terminal 20823 Stevens Creek Blvd Bldg C4 H Cupertino CA 95014 408 257 9900 MICROCOMPUTER ANALYZER Biomation s Model 168 D microcomputer ana lyzer records a history of up to 256 memory accesses and displays the information on a 9 CRT in hex notation using memory maps or as a function of time It comes with a per sonality module for either 8080A or 6800 mi croprocessors Maximum record rate is lOMHz Price is 5 650 with cabling 10411 Bubb Rd Cupertino CA 95014 GAI VIRTUAL CONSOLE General Automation Inc has available a new virtual console for its GA 16 220 and GA 16 330 microcomputers Four functions comprise the virtual con sole an extended programmer s console capa bility via local remote CRT TTY a serial I O port an autoload capability and a set of lights and controls on the edge of the CPU boards Heart of the console is GA s BASIC Utility Software PROM package This provides console control and displays functions as well as a complete set of user debugging facilities For example a programmer can display and change any register display and change any memory location display a block of data from memory load and dump binary tapes store pat tern in memory single step set multiple traps and Go Access to the virtual con
67. otherboard card rack power supply module and boards for the front panel 6800 processor and 8K RAM The only wiring consists of bringing line voltage into the machine to the power supply and then distributing power supply voltages to the mo therboard Sunnyvale CA EDUCATIONAL FIELD MICROCOMPUTER Digital Electronic Corp is now marketing their DE68 Microcomputer designed for use in the laboratory classroom and field Using the 6800 chip the DE68 has a mnemonic trans lator that automatically converts characters from the self contained alphanumeric keyboard into machine language Total PROM storage is 5 5K An optional DE 100 Teaching Module is available It has LED displays hex keyboard and a random number that simulates a data source for real time acquisition programming The teaching module plugs into the DE68 via a flat cable and contains 12 ICs including a PIA Price of the DE68 is 3000 without the DE EE a A SN Ee Ee a a NE ET Volume 3 Number 7 10 January February 1977 681 printer and 3500 with it The teaching module will sell for 100 Oakland CA 94601 415 532 2920 FULLY ASSEMBLED APPLE COMPUTER The Apple 1 microcomputer comes fully as sembled tested and burned in The system s basic price is 666 and includes 6502 micro regulated power supply 4K bytes of RAM the video interface and ROM monitor 4K of memory and cassette tape are available for an ad ditional 195 The microcomputer s vi
68. ource GI s 16 bit microprocessor the CP6100 will provide ITT with masks hardware and software knowledge There will be no payment of money or transfer of technology from ITT to GI However a provision for future ex change of technical improvements developed by either company relating to the 1600 and relevant software was spelled out ITT will produce the CPU at its Intermetall operation in Freiburg Germany PROCESS CONTROL INDUSTRY REPORT The process control industry is eager to tap new sophisticated types of analytical instruments Fourier Transform Infrared Mass Spectrometry Microwave Rotation l Spectrome try and Raman Spectrophometry for on line control applications but their high cost has deterred widespread use Now microcomputers promise to remedy that The instrument con trol and data handling capability that micro computers can impart will render such instru ment applications very cost effective says a new Study by Frost amp Sullivan Cont d on page 2 Copyright 1977 Microcomputer Associates Inc All Rights Reserved Lemas President Published monthly Subscription 28 00 per year overseas 46 00 per year DARRELL D CROW Editor LILLIAN LAU Associate Editor LINDA KOCHANOWSKI Circulation Editor RAY HOLT Applications Technical Advisor MANNY LEMAS Applications Technical Advisor Sea Sea SS AR See BS Ta Rg re ee ee Volume 3 Number 7 2 January Febru
69. rom plastic ID badges and IBM cards and will also accept numeric information via 10 pushbuttons HIS COMPUTERS USING 2900 S Honeywell Information Systems model 6 43 small computers recently introduced are de Signed using Advanced Micro Devices 2900 bit Slice microprocessors The HIS computers which have a floating point processor option use 17 of the AMD 2901s on a single board Four additional 40 pin microprocessors are use for matrix shifters to assist the floating point processor They are also included on the floating point processor board These four CPUs are manufactured by Honeywell The micros are mounted on a 16 x 16 multi layer etched board which also contains the Honeywell made MPUs PROM firmware megabus interface circuitry various support logic and a logic voltage regulator PIN BALL ANYONE A microcomputer controlled pin ball machine by Mirco Games is said to have a number of sub Stantial advantages over its electromechanical relay operated counterparts it of 76 the pinball machine uses a 6800 Called the Spir 17 January February 1977 microprocessor PIA and 8K of memory Three diagnostic routines stored in the program not only minimize the machine s down time but also checks every working component in the machine on a routine basis One diagnostic routine checks out all the bulbs for burned out lamps while another routine determines if trouble is present in any one of the switch
70. ronic Arrays Inc and a co founder of Advance Micro Devices Inc has been named to the newly created position of vice president of marketing and sales for Semiconductor Products at Intersil Inc Publishers of 73 Magazine have bound their most popular articles and editorials on hobby computing into a new book HOBBY COMPUTERS ARE HERE 4 95 73 Magazine Peterborough NH 03458 DR JOSEPH P HAWRANEK has been named man ager of market support for National Semicon ductor s Systems division Pro Log Corp has named YREL as their sales rep for France SHIGEHIKO MURASE has joined National Semi conductor Corp of Japan as manager of Distrib utor Sales As part of an expansion of Signetic s MOS Microprocessor Marketing Group THOMAS MAR SHALL has joined the firm as MOS Microproces sor business manager Synertek has named GERALD DEMSKY to a new position as microprocessor marketing manager H R ANDERSON is the new manager of Micro processor Product Planning for Rockwell s Mi croelectronic Device division He was form erly with NCR RCA s SOLID STATE division reports it is now in production of several 1802 support chips at its new West Palm Beach FL facilities facilities PERTEC TO BUY MIT S Pertec Computer Corp has reported that it has signed a letter of intent to purchase MITs Inc manufacturers of the Altair microcompu ter Although details were not released the purchase is said to be for 5 million worth of Perte
71. rp 2900 Semiconduc 395 Coral Gables FL 305 661 7971 tor Dr Santa Clara CA 59051 408 732 5000 18 21 Microprocessor Fundamentals NSC Pro Log Corp 2411 Garden Rd Monterey CA 395 Santa Clara CA 408 247 7924 93940 408 372 4593 19 22 F8 Microprocessor 300 San Jose CA TC on Design Automation of the Computer Fairchild Micro Systems Society Dr W M vanCleeput Stanford Univ 25 28 Advanced Programming NSC 395 Digital Systems Labs Stanford CA 94305 Coral Gables Fl 305 661 7971 DR B Wald Commumications Science Naval 25 28 PACE Application NSC 395 Research Lab 4555 Overlook Ave Washington Santa Clara CA 408 247 7924 D C 20390 Ma com 6 F8 Microprocessor Houston 400 HOBBY MARKET 250 GROWTH Fairchild Micro Systems computer hobbyist publications and more than 9 11 EUROCON 77 Venice Italy Eurocon 50 retail stores that presently serve some 16 19 PACE Application NSC 395 20 000 hobbyists Coral Gables FL 305 661 7971 As the market matures the report notes 17 20 F8 Microprocessor 300 San Jose CA it will become increasingly important to Fairchild Micro Systems differentiate between these many groups The 23 26 Advanced Programming NSC 395 same products can appeal to several interests Coral Gables FL 305 661 7971 but its form and marketing approach must be 24 26 International Minicomputer Microcom tailored to each segment Manufacturers puters and Microprocessors 77 Geneva who fail to appreciate this may find that
72. rt Course with take home computer Petersburg Beach Fl Wintek Corp 902 N 9th St Lafayette IN 47904 317 742 6802 495 2 Intel 8748 Free Elmar Electronics 6777 W 50th St Commerce City CO 303 287 9611 3 Intel 8748 Free 495 415 961 3611 Elmar Electronics 2288 Charleston Rd Mt Vw CA 8 9 8 11 9 11 10 11 14 16 14 17 21 24 21 24 22 25 24 25 7 10 8 10 8 11 14 17 15 17 Microprocessors in Mfgr and Control 395 Newark NJ Int Comp Systems F8 Microprocessor 300 San Jose CA Fairchild Micro Systems Microprocessor Short Course with take home computer Wintek Corp Los Angeles 902 N 9th St Lafayette IN 47904 317 742 6802 Microcomputer Software System 395 Newark NJ Int Comp Sys Microprocessor Short Course with take home computer Palo Alto CA Wintek Corp 902 N 9th St Lafayette IN 47904 317 742 6802 SC AMP Application NSC 395 Coral Gables FL 305 661 7971 PACE Application NSC 395 Coral Gables FL 305 661 7971 Microprocessor Fundamentals NSC 395 Santa Clara CA 408 247 7924 F8 Microprocessor 300 San Jose CA Fairchild Micro Systems NSC PACE Free Elmar Electronics 6777 W 50th St Commerce City 303 287 9611 NSC PACE Free Elmar Electronics 6777 W 50th St Commerce City CO 303 287 9611 Microprocessors and Design Automation San Francisco CA TC on Design Auto mation of the Computer Society Advanced Programming NSC 395 Coral Gables
73. ry 1977 will be used as components in distributed con trol networks data transmission networks and dedicated controllers in addition to their use in measuring instruments Microcomputer based instruments will also be widespread in the petroleum industry to ac count for a 110 million annual market by 1985 Another big growth area is food and beverage industry whose trend to synthetic foods is creating a need for more exciting measurement and control techniques Other big end user categories include iron and steel aluminum extractive metals pulp and paper rubber and plastic waste and water treatment and virtually every other process industry Discrete parts manufacturers who current ly comprise the industrial microcomputer s largest end user market will continue to adopt the technology Programmable logic con trollers are increasingly acquiring greater arithmetic capability digital throughput and signal processing for example and such a trend clearly points to an increased reli ance on microcomputers in the design of such equipment the study says Digital Equipment for example has essentially stopped develop ment work on its series 14 programmable logic controllers and instead is pressing forward on an LSI 11 based product line Microcomputer use does face some hurdles in industry the study notes Lack of product standardization is one for example This is a principal concern among prospective users t
74. sole is through RS 232 and current loop serial I O port serv icing CRT TTY or modem 1055 S East St Anaheim CA 92805 714 778 4800 PORTABLE CRT LOADER MONITOR The portable Model 395 Microcomputer based CRT loader monitor offers contact relay sym bology keyboard loading and real time on line monitoring Each contact in the control circuit is displayed on the CRT as entered from the keyboard providing immediate veri fication of the program and permitting editin and correction Any two complete control circuits each containing up to seven series elements and four parallel paths can be dis played simultaneously in the run monitor mode The entire memory program can be stored on magnetic tape cassettes or punched paper tape for use in verification dumping and reload January February 1977 ing or programming other controllers When interfaced to a teleprinter the unit will pro vide hardcopy printout of the program in lad der diagram format with cross reference listing 425 W Philadelphia St York PA 17405 SELECTRIC LIKE uC TERMINAL Multiterm Corp s latest data terminal Mod el T 3000 features an internal 8080 microcom puter for system control and flexibility The 2 875 unit prints error codes for noise puls es failures in the communications link or op erator keyed entry errors Styled after the IBM Selectric typewriter the terminal uses a Diablo printer mechanism Interfacing is RS232 in ASCII code
75. tch buffer for a large array of standard memory parts It is January February 1977 a Schottky TTL component of the MCS 80 family Intel said pricing would be posted once de vices were available off the shelf 3065 Bowers Ave Santa Clara CA 95091 408 246 7501 8080 USERS Make software debugging almost fun with TRACE 80 A flexible resident tracing monitor forany 8080 based system with 4K memory Featuring Printing of register contents after each instruction or branch Multiple breakpoints allowing the user program to run at full speed and to return to TRACE 80 Display on memory write mode Another human engineered debugging aid from the people who care about your mental health PETERS ASSOCIATES P O BOX 61622 SUNNYVALE CA 94088 408 245 1519 RUGGED MICROCOMPUTER SYSTEM Omnibyte Corp is offering a microcomputer system housed in a rugged 16 slot card cage interconnected by a printed circuit A bus oriented backplane requires no custom wiring Fourteen of its l6 slots will accept any combination of RAM ROM or I O cards The remaining two slots contain the CPU card and a multifunction controller card Oakbrook IL Z 80 MICROCOMPUTER CARD A new generation CPU board has been inte grated into the Digital Group s microcomputer system Features of the 2 80 system includes 80 new instructions over the 8080 set 696 oper ation codes extensive l6 bit arithmeti
76. tep March will follow in approximately 10 days with the April issue delivered on your doorstep on Old Fools Day This year we ve had to follow the other mag azines and up our prices to keep pace with ris ing production paper and labor costs Foreign subscribers will note we are asking for payment with orders and renewals to further cut account ing costs Advertising rates are also rising a bit in May making today the opportune time to advertise on an annual basis at the old rates In July we unveil our heart s pride and joy the all new MICROCOMPUTER DIGEST AND INDUSTRY REPORT ANNUAL REFERENCE INDEX We re in the midst of collecting data for this magnificent volume so have your company send a complete package of all microcomputers peripherals memories and support products as well as a complete list of distributors reps and Stores that are handling your products Dead line for information packets is May 3l 1977 Have a plesant and prosperous 1977 More h i Darrell D Crow Editor PROCESS CONTROL INDUSTRY REPORT from page 1 Such potential power inherent in micro computers accounts for some glowing project ions in the F amp S study Shipments of industri al microcomputer equipment at 45 million in 1975 will soar to 1 2 billion by 1985 for example the study says Here s another big broad application area Industry is turning to multiplexed wire digital communications to reduce inplant writing costs and micr
77. the data right until the exponent be comes zero In the controlled shift mode the unit shifts data up to 15 places up or down using 4 bit shift command lines to define the number of shifts Internally clocked and capable of shifting 16 lines in less than 5 us the device re quires one program instruction and provides TTL compatible I O loaic levels DD154 is packaged in a fully encapsulated plug in m d ule 386 Lindelof Ave Stoughton MA 02072 617 344 7383 PROGRAMMER DUPLICATOR Pro Log s combination programmer and dupli cator for PROMs the series 92 consists of a master control unit and a plug in PROM person ality module The M920 master control unit sells for 995 with personality modules rang ing in price from 350 to 550 When the unit is connected to a TTY or sim ilar terminal the 92 can be commanded to pro gram list duplicate and verify PROMs The unit is packaged in an attache case and weighs less than 15 lbs with the personality module Options include an RS 232 interface 2411 Garden Rd Monterey CA 93940 January February 1977 INTELLIGENT BREADBOARD IMS Associates has introduced an intelli gent breadboard for the development of dis crete logic I O interfacing memory systems and microcomputer circuits Supplied as a complete integrated package the console con nects directly with the IMSAI 8080 computer allowing circuits to be implemented in hard ware and transferred to software i
78. tion controllers has been announced by Micom Sys tems Inc The 40 Series Communications Processor is designed to perform such functions as data concentration channel contention message routing polling control speed and code con version protocol conversion and voice re sponse The basic system is self contained on a single card Central Control Module including a LED display and a 10 position function switch for diagnostic test or system monitoring Normally supplied in turnkey communications controller systems complete with firmware the 40 series is also available to OEM s with a complete Program Development System to fa cilitate firmware development Prices start at 1800 with delivery 45 days ARO 9551 Iron dale Ave Chatsworth CA 91311 TWX 910 494 4910 EXPANDED 68 Electronic Product Associates Inc has announced a complete microcomputer system for 1186 00 called the Expanded 68 the com puter is based on the Motorola AMI Hitachi 6800 microprocessor chip set Designed for system prototype development use the Expanded 68 comes complete with 8K of memory power supply 16 digit keyboard TCC3 adapter hexadecimal LED display expansion cabinet 36 pin edge connector and Mik bug Also availble for direct interfacing are dual floppy disc drive IMP 1 printer 132 column printer TV interface and a full ASC11 key board 1157 Vega St San Diego CA 92110 714 276 8911 MOLDING CENTRAL SYSTEM A mold
79. ude binary to floating point decimal conver Sion all trig functions logs and powers co ordinate transformation mean and standard deviation and more Supply requirements are 12 5 and 10V 2460 Embarcadero Way Palo Alto CA 94303 415 321 0410 ANALOG SUPPLY Compatible with any 8 bit microprocessor the Optical Electronics 7462 DAC operates on a single 5 V supply and provides 0 to 3 V an alog output The 8 bit device features stan dard binary digital coding and 00000000 digit al input code for 0 analog output P O Box 11140 Tucson AZ 85734 602 624 1283 PI MP TRANSDUCERS The Astrosystems Inc s new PI MP family of transducers supply position data in real time to microcomputers Single turn resolu tions are available to 12 bits and 3 decades BCD Multiturn units provide resolutions to 17 bits and 5 decades BCD Zero set and pre set is available Each unit requires a maximum of 8 wires to interface to a microcomputer Prices start at 550 6 Nevada Dr Lake Success NY 11040 516 328 1600 MODEL 380 TROUBLESHOOTER The Model 380 Troubleshooter can serve as a Standard 10 15 or 30 cps portable terminal yet has an operator switchable character set that allows printing of nonprint characters such as device control codes tabs etc The terminal operates on full upper lower case ASCII Other codes are available The unit s built in accoustic coupler fea tures AT amp T s 103 and RS 232 compatibility E 66 M
80. ultiple digit arith metic operations such as adds and subtracts are programmed at the instruction level A program ROM of 4K bits and one level of sub routine are provided Internal register file storage exclusive of output registers is 128 bits 3128 Red Hill Ave P O Box 2180 Newport Beach CA 92663 MMI RELEASES MFGR RIGHTS Randal Data Systems reports it has acquired manufacturing rights to the 605 A microproces sor formerly built by Monolithic Memories Inc and used in Randal s Link 100 and 200 computer systems Randal also acquired manufacturing rights to Monolithic Memories boards which use Intel and NEC 4K RAMs TRANSITRON MICRO RESURRECTED Parts Purchasing of Fort Lee NJ has re vealed they are in the process of purchasing Transitron s 16 bit bipolar microcomputer for under 3 million The micro scrapped last summer will be manufactured in the U S with overseas assembly Parts Purchasing bought the entire Transi tron Microcomputer division and is now re ceiving estimates from several semiconductor firms for manufacturing costs The micro is expected to be marketed in 1978 8080 INTERFACE SUPPORT CIRCUITS An expanded line of interface and support circuits for the 8080A microprocessor family plus two new additional versions of the 8080A CPU are now available from National Semi conductor Corp National s pin for pin and function for function replacement for the 8080A device available since June
81. w boards CASSETTE INTERFACE CARD The RO CHE Systems controller controls up to four cassettes and interfaces to a Tarbell or MITS cassette board The status bits gen erated by the interface boards are software controlled to select which recorder to use and function desired LEDs on the face of the controller indicate which deck has been selec ted and when that deck is writing The oper ator can program to position the tape put it in read mode or provide for error recovery Price of the four part controller is 125 Van Nuys CA 25 January February 1977 Hac p MESMECN piki iii EUM C Un ECCO M CLAU CSI MUN SUR MC SUN Ur OPEN LOOP MOTOR CONTROLLER Advanced Control System Corp s Model MCU 652 is an open loop stepping motor controller made to interface with an 8 or 16 bit micro Single step index and slew functions with override stop control are provided Rates are up to 10 000 steps s in increments of 1 step s The controller includes three command inputs Start forward start reverse and stop The 800 unit is available with either automatic or manual operating mode Wakefield MA PROGRAMMABLE VOICE READOUT A solid state programmable voice readout System for users with small quantity require ments and changing vocabularies is being mar keted by Master Specialties Co The system uses PROMs for each new word and Model 1650 permits vocabulary expansion from one to 112 words in standard ha
82. w cost off the shelf I O modules for the company s 180 microcomputer A new AC DC module the PCS 1804 accepts up to eight AC inputs eight digital inputs eight AC outputs and eight digital outputs The module optically isolates all signals to minimize feedback crosstalk ground loops and noise generation A new multifunction module the PCS 1820 accepts up to 32 digital inputs and 32 digital outputs under the control of a PCS 1806 or 1810 microcomputer The 1820 also accepts up to eight priority interrupt inputs and has three software programmable 16 bit counters A new TTL module the PCS 1823 accepts up to 64 TTL digital inputs and 64 TTL digital outputs under the control of a PCS 1806 or 1810 microcomputer The company also announced an integrated low cost power A D module the PCS 1850 Be cause this 16 channel module makes extensive use of CMOS circuitry it consumes only 1 1 2 January February 1977 watts of power or one third that required by standard TTL models Optional expansion mod ules expand the 1850 s input channels to 32 48 or 64 channels The PCS 1804 is priced at 360 the 1820 at 400 the 1823 at 295 and the l6 channel 1850 at 700 Quantity discounts available and shipments 1077 5467 Hill 23 Drive Flint MI 48507 313 767 8920 COMMUNICATIONS MICROCOMPUTER A new self contained communications ori ented microcomputer for facilitating the firm ware implementation of custom communica
83. ware and application programs generated by the user The firmware subroutines allow entry of soft ware debug commands via the control and dis play panel or an optional teletype A 2k x 8 read write memory card and a 4k x 8 ROM PROM cards are also available Pricing of single units of the LCDS is January February 1977 499 00 with the 2k x 8 RAM card priced at 160 00 each 2900 Semiconductor Drive Santa Clara CA 95051 408 737 5173 8085 MICROCOMPUTER SYSTEM Intel expects to begin shipping the 8085 Microcomputer System to equipment manufactur ers in sample quantities during 1977 The new system is an extension of the 8080 microcomputer system and runs 8080 programs without modification and is entirely bus com patible with 8080 components Each 8085 component is said to replace a group of three to five 8080 components buff ers are required only in the largest systems timing margins are relaxed and pinouts are organized for X Y layout of PC board wiring The new system includes the MCS 85 Micro computer System components family compatible MCS 80 devices and a line of support prod ucts The support products are low cost up dates of those used to develop 8080 system software and hardware design Minimum system configuration would consist of the 8085 8155 2K RAM I O Timer and 8355 16K ROM amp I O or 8755 16K erasable ROM amp I O These three devices provide CPU 256 bytes of RAM 2K program storage 38 pr
84. y single and double byte integer arithmetic is permitted A library of useful subroutines and func tions comes with the compiler including ab solute values random 8 bit number and the square root of positive and SQRT integers Available on either a floppy disc or on paper tape the price is 750 4800 Dundas St W Suite 209 Islington Ont M9A 1B1 416 236 1159 UTI PACKAGE The UTI package offered by Pragmatic Sys tems is written in 8080 assembly and con tains commonly used code conversions I O routines for numbers and character strings and I O drivers for commonly used peripherals A source listing of the program with user documentation is 3 35 Mountain View CA Volume 3 Number 7 MICROCOMPUTERS MOS SC MP NOW OFFERED from page 1 The new version takes 1 us to complete a microcycle and typical instruction execution time is 5 us The SC MP II is fully compat ible with its predecessor in terms of pin con figuration object code and software and with slight modifications to the crystal fre quencies it will be compatible with all SC MP support equipment Sample quantities are immediately available at 17 76 in single units 2900 Semiconductor Dr Santa Clara CA 95051 408 737 5173 460Z CPU EXPANDER The Ohio Scientific Instruments 46027 CPU expander is a totally new computer building block with phenomenal performance and flexi bility The 460Z s main purpose is to allow a user to run 8080 27 80

single chip microcomputer mos sc/mp now offered gi & itt sign 6100

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single chip microcomputer mos sc/mp now offered gi &amp; itt sign 6100

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single chip microcomputer mos sc/mp now offered gi & itt sign 6100