NEW PRODUCTS
Contents
1. SD Cat No from the Superintendent of Documents U S Government Printing Office Washington D C 20402 Foreign re mittances must be U S exchange and include an additional 25 percent of the publication price to cover mailing costs Order microfiche copies prepaid by NTIS No from the National Technical Information Center Springfield VA 22151 the price is 2 25 domestic or 3 75 foreign a copy 732. allow upward expan sion of the units within the system and future system enhancement with the large floppy drive Also being introduced along with the minifloppy drive and minidiskette media is the new SA4400 ministreaker controller board which handles one two or three minifloppy drives Single quantity prices are minifloppy drive 390 box of 10 diskettes 45 and ministreaker controller 490 Quantity discounts are available delivery is 60 days ARO Reader Service Number 19 72 Analyzer aids in diagnosing 6800 microprocessor systems A new analyzer designed to develop and debug microcomputer systems built around the Motorola 6800 microprocessor is being marketed by E amp L Instruments Inc A product of AO Systems the instru ment can display all address data and status information and permits direct user interaction with memory and all registers including the program counter The Model AO6800 microprocessor sys tem analyzer is effective as a design aid in converting breadboard circuits to pro totypes and for the evaluation and fault analysis of microprocessor based products in production The addition of a buffered clip on probe converts the analyzer into a portable production test or field mainte nance instrument The connection to the system being analyzed is accomplished with a buffer isolated probe terminated with a 40 pin clip that attaches directly to the microprocessor chip The interactive featur
3. minicomputer The software components include a file system a keyboard monitor a text editor an assembler binary loader octal debug ger high level language interpreter and numerous utility programs Price for the 6970 IFDOS floppy disk operating system is 5100 Reader Service Number 5 67 Wintek reduces micro price 50 announces Fantom Wintek has cut the price on its single card microcomputer by 50 The price was reduced from 298 to 149 for the minimum configuration Wince Control Module consisting of a 6800 MPU clock and baud rate generator 1K ROM with Fantom II 128 byte RAM and ACIA UART serial I O or PIA 16 TTL lines parallel I O The price for the maximum configuration module consisting of 6800 MPU clock and baud rate generator 1K ROM with Fantom II 512 byte RAM ACIA UART serial I O and 2 PIA s 32 TTL lines parallel I O was reduced from 398 to 199 All Wince modules control RAM ROM EROM programmer A D etc are on industry standard 44 x6 inch printed circuit boards Fantom II is a new 1K monitor debug program that allows single step execution of user programs insertion and deletion of breakpoints and setup of interrupt vec tors It also allows the user to load memory examine and or change memory print and or punch memory display MPU regis ters go to user s programs and reset Reader Service Number 6 i Data General Introduces heuristic operating system for
4. 46 presents information on com puters peripherals and software for data acquisition and control system builders and is available from L Ellis Communica tions Services M S 6 58 Data General Corp Route 9 Southboro MA 01772 TAPE PAC SYSTEM Brochure describes Emerson Electric Company s 2000 Series Tape Pac System and is available from Emerson Electric Co Industrial Controls Division 3300 S Standard St Santa Ana CA 92702 EDP MAINTENANCE Brochure contains a discussion of EDP maintenance perfor mance and is available from Sirvess Inc 50 Market St Saddle Brook NJ 07662 DATA MODEMS 24 page catalog covering products and services is available from Vadic major manufacturer of low and medium speed data modems by writing Tom McShane vice president of market ing 505 E Middlefield Road Mountain View CA 94043 NBSLD THE COMPUTER PROGRAM FOR HEATING AND COOLING LOADS IN BUILDINGS Computer program Na tional Bureau of Standards Load Determi nation is contained in this 398 page document Price 4 60 SD Cat No C13 29 2 69 TESTING AND CERTIFICATION FOR EXPORT PRODUCTS IN INDUSTRIALIZ ING COUNTRIES Report includes pre pared papers and discussions from a reg ional seminar in Singapore May 1975 which was attended by representatives of many south Asian countries Price 2 40 SD Cat No C13 10 438 NTIS No NBS SP 438 Order NBS publications prepaid at the price shown above and by
5. Eclipse Data General has introduced a heuristic multiprogramming advanced operating system AOS for its Eclipse family of com puters Eclipse systems with multiprogram ming AOS can control multiple concur rent timesharing batch and real time op erations AOS manages these operations heuristically constantly monitoring all activities and automatically adapting the system to both user priorities and past be havior of the various operations Accord ing to Data General this internal intelli gence makes highly efficient use of system resources memory space CPU time mass memory storage and peripheral I O devices and provides fast interactive re sponse while maintaining high volume batch throughout In addition to the heuristic scheduling of system operations AOS resource man agement capabilities cited by Data Gen eral include dynamic memory manage ment with sharing of common code and data to significantly reduce memory re quirements and load on call overlays to multiply the effective size of programs complete data management with hierar chical file directories for total file security synchronous and asynchronous communi cations fully integrated into the operating system flexible prioritized multitasking to efficiently handle multiple independent tasks within a single user program and sophisticated hardware software protec tion that controls each user s processing privileges and gives each a secure e
6. anager called Enscribe According to Tandem the software ex tends the security concept of nonstop oper ation inherent in the Tandem 16 NonStop computer to protect a user s data base from degradation Enscribe which runs under the company s Guardian operating system in combination with its multiprocessor ar chitecture simplifies software develop ment and maintenance and contains un usual data protection features For example Tandem points out En scribe ensures that indices within a data base are not corrupted When a conven tional processor fails while updating indi ces it often is necessary to reconstruct the index from archival tapes or manual rec ords to ensure the integrity of the index Enscribe optionally manages a data base with a mirror principle Data may be written in this mode onto two disk devices simultaneously If a failure in one of the devices precludes its being read back cor rectly it is read from the other device Upon restoration of the failed disk drive the system automatically updates the re stored device while continuing to process transactions Mirroring is transparent to both the application programmer and computer operator Also to prevent data degradation result ing from a processor failure an active pro cessor signals an alternate processor which contains a back up program at the start of a file update If the update is not completed correctly the operating system ale
7. bination of Prism or Scribe terminals A user can also select remote slave matrix printers for use with a Prism on any of the three input output ports A bisynchronous communication channel is also available The new Scribe printer utilizes mic rocomputer control for its 9 x 7 dot matrix and prints an ASCII 96 character set at 120 or 165 characters per second It is cap able of printing bidirectionally on its 132 character lines and can highlight data with its expanded character capability An optional second character set is specifically designed for plotting and graphics The dif ferent character sets are selected under software control Reader Service Number 13 Megatek offers intelligent refresh graphics terminal Megatek Corporation has announced the Megraphic 6014 an intelligent re fresh terminal designed to provide Tek tronix users with an alternative to storage tube graphics Positioned as an upward compatible unit to the 4014 Megatek s 6014 enables Plot 10 users to add dynamic vector re fresh to their existing applications soft ware The Megraphic 6014 is compatible with all Tektronix TCS software and will directly replace any existing 4014 ter minal according to Megatek The Megraphic 6014 is an intelligent re fresh terminal that can be upgraded into a full standalone system The basic config uration includes a Data General Nova 3 general purpose processor with 8K words 16 bit of 700 nsec memory a 17
8. cate immediately with the terminal or the host computer In addition the system has au tomatic self test and diagnostics for fault isolation January 1977 The system s terminal controller in cludes two microprocessors a display processor and a graphic controller The display processor is a general purpose unit which operates with 16 bit words or 8 bit bytes It has eight general purpose regis ters and an 8K 16 bit read memory ex pandable in 8K increments The graphic controller is a 16 bit parallel microprocessor with 40 display instruc tions 13 display registers and four gen eral registers It provides refresh rates of 60 40 and 30 Hz A read only memory 4K x 16 bits in the terminal controller contains the control program that handles communications be tween the terminal and the host computer controls the data entry devices manages the display image refresh and performs other functions usually done in the host computer The system has two interface options a 16 bit parallel interface and an RS 232C interface A basic system is priced at 32 800 Ad ditional equipment such as Photopen trackball multiple displays and hard copy are available Reader Service Number 17 Data base manager lockstepped with Tandem s NonStop computer system Tandem Computers Inc originator of a multiprocessing system designed for im munity to breakdown has announced a companion breakdown free data base re cord m
9. cycle times are 800 nsec for the Model 3 and 660 nsec for the Model 5 Series 1 is a general purpose computing system which offers both communications and sensor based capabilities IBM states The new system also enables users to at tach a large number and variety of input and output devices including custom built devices for special application require ments Reader Service Number 4 New Intersil floppy disk system shown here with Intercept prototyping system top Intersil introduces floppy disk development system Intersil Inc has announced a new flexi ble disk program development system 6970 IFDOS for use with its IM6100 CMOS microprocessor based Intercept prototyping system The purpose of the 6970 IFDOS to gether with the 4096 words of memory provided with the Intercept system and an ASCII terminal such as Teletype ASR33 or equivalent is to provide rapid software development for IM6100 CMOS micro processor based systems The 6970 IFDOS consists of two inter faced floppy disk drive mechanisms with all electronics power supplies and cables necessary to add more than 4M bits of on line mass storage to the Intercept prototyp ing system All components are packaged in one co vered enclosure which can be rack or tab letop mounted and plugs into Intercept It provides IBM 3740 compatible media with multiple sources and is fully software com patible with the DEC RX8 flexible disk system for the PDP 8 E
10. des connec tion to any system The base price of the AO6800 is 875 and delivery is from stock to six weeks Reader Service Number 20 Data terminal features holographic memory with up to 200M bits A data terminal featuring a built in holographic memory has been announced by Holofile Industries Ltd This holographic based system was developed for Holofile by TRW s Defense and Space Systems Division The system s Holofile memory can store up to 200M bits of binary data ona 4x6 inch holographic fiche The fiche contains thousands of individual holograms each of which stores thousands of data bits the contents of an optical data page For exam ple every word in the Los Angeles central telephone directory could be stored on a single holofiche which weighs a fraction of an ounce According to the company a holofiche memory can be replicated for a few cents approximately 4 100 the cost of magnetic tape with comparable storage capacity The terminal consists of a reader which houses the holofiche memory a laser an optical sensing array associated elec tronics and a keypad display for addres sing the memory When the laser beam strikes a particular hologram the holog ram emits a binary light pattern of its en tire contents This pattern is converted to electronic data by the optical sensing array and clocked out at rates to 5M bits sec According to the company holography could have the same impact on mass memor
11. edited by Demetrios A Michalopoulos Associate Professor of Computer Sciences California State University at Fullerton NEW PRODUCTS i A MOAT TEST SYSTEM weccet Micro Control has announced a CRT terminal operated memory and LSI test system for produc tion and engineering environments The M 10AT features 1 nsec timing resolution with a range of 0 65 usec 10 MHz operation 16 data bits expandable to 72 bits 16 address bits expandable to 24 with optional topological scrambler available automatic operation controlled by an 8 bit 8080 microprocessor and tape cartridge storage of test programs Software is included and options such as real time error log and fault isolation software for memory systems and a printer are available Prices start at 30 000 Delivery can be made in about 30 days Reader Service Number 3 IBM introduces new Series 1 computers Two small computers intended primar ily for experienced data processing users with programming capabilities and a need for multiple small systems have been in troduced by IBM Called Series 1 Model 3 and Model 5 they are offered on a purchase only basis for prices ranging from 10 000 to 100 000 depending upon configuration The 19 inch rack mountable units are av ailable in 16 384 byte increments of mem ory from 16 384 to 65 536 bytes in the Model 3 and from 16 384 to 131 072 bytes January 1977 in the Model 5 Storage
12. es of the AO6800 include the ability to transmit data to and receive data from all 6800 internal regis ters including the program counter mod ify the contents of any random access memory location examine all memory and send and receive data from selected O ports Address and data are displayed on two full 16 bit LED displays paralleling a bank of 16 toggle switches for information entry A status display consists of five LED lamps A 4 digit alphanumeric LED dis play provides hexadecimal conversion of the 16 bits of address and data display in formation Switches on the front panel permit ac cess to the internal registers control of the microprocessor and access to memory Other switches are used to set a breakpoint or monitor a specific memory location and control an optional sequence recorder All circuitry on the A06800 is packaged on one mother board positioned behind the front panel The panel measures 19x10 inches and the 3 8 pound instrument is 1 inches wide The analyzer will stand as a bench top instrument or may be mounted in a standard 19 inch rack For field ser vice use an optional case complete with power supply is available Power requirements are 5 V dc 5 at 3 amps I O connections may be made to the system under test with an 86 pin edge con nector or 3M type flat cable connectors Al ternatively the buffer probe with its 40 pin IC clip complete with buffer module and 3 feet of flat cable provi
13. fic functions of Dartmouth Basic are not available The kit which includes the program on either paper tape or audio cassette tape and a 32 page user s manual sells for 25 00 The manual sells for 6 00 sepa rately Reader Service Number 16 COMPUTER Intelligent interactive computer graphic display system features two programmable micro processors that enable the system to be operated with the ease of an ordinary desk top com puter terminal according to its manufacturer Sanders Associates Inc Sanders programmable computer graphic display system features two microprocessors An intelligent interactive computer graphic display system featuring two programmable microprocessors has been announced by Sanders Associates Inc The Graphic 7 is compatible with most comput ers via an RS232 interface or a high speed parallel interface and has all the graphic capabilities of the company s larger sys tems according to Sanders The new graphic system compatible with Sanders Graphic 5 product line is preprogrammed for interactive operations When used with an optional Fortran calla ble graphic subroutine package it allows the user to begin applications program ming immediately by freeing the system programmer from the task of supporting the graphic terminals The Graphic 7 also includes a one button initialize feature According to Sanders the system automatically readies itself and allows the operator to communi
14. ich describe acoustic emission in strumentation equipment by contacting them at 2500 Washington St Canton MA 02021 FIXED RESISTORS 28 page illustrated booklet contains specifications on 20 dif ferent resistor configurations available from TRW IRC by requesting catalog 771 401 N Broad St Philadelphia PA 19108 MICROPROCESSORS 1970 1975 Bibliog raphy compiled by Neward Electronics covers 145 articles selected from top indus try publications and is available by writ ing the company at 500 N Pulaski Road Chicago IL 60624 312 638 4411 INTERFACE CONTROLLERS Four page black and white brochure from Wang Labs describes company s on line interface controllers designed for use with Wang 2200 computers and compatible with a var iety of instrumentation devices and is av ailable by contacting the company at 1 In dustrial Ave Lowell MA 01851 617 851 4111 NCC ROUNDUP Bimonthly newsletter providing news feature articles inter views plus additional information on the 1977 National Computer Conference is available by contacting AFIPS Headquar ters 210 Summit Ave Montvale NJ 07645 201 391 9810 ELECTROSTATIC OUTPUT Short sum mary discussions of Versatec electrostatic output systems for the company s project evaluation and review technique PERT available by writing for Newsletter 238 Versatec 2805 Bowers Ave Santa Ana CA 95051 408 988 2800 DATA ACQUISITION 16 page brochure 012 2
15. ies that the Xerox process has had on document reproduction For example archival storage using holographic memories would require just a fraction of the space at approximately 1 100 of the cost Holofile memories since they contain millions of bits of data are also ideal for on line applications such as personalized data storage i e an individual s medical history a consumer s credit record an employee s security clearance When tied to a CRT display the system can be used where an operator must quickly retrieve information such as policy data for an in surance agent or inventory information for an automotive parts warehouse In applications where data must be vis ually displayed or hard copies produced the Holofile terminal can interface with a wide variety of peripherals Interfaces are currently available for minicomputers tape drives CRT displays disk drives plotters line printers plasma panels and page printers Holofile readers are priced under 500 in production quantities Reader Service Number 21 COMPUTER New NCR tabletop computer designed for educational use A compact microcomputer designed primarily for use in schools and colleges has been announced by NCR Corporation The 7200 Model VI includes a micro processor and 24K bytes of RAM of which 4K bytes can be used for student programming The 7200 also features a 9 inch visual display screen alphanum eric and numeric keyboards and a
16. inch diagonal monitor Megatek s proprietary MG 752 graphic processor ASCII keyboard with joystick EIA RS 232 inter face table with equipment rack and 4014 emulator and enhanced dynamic software EDS package The emulater enables the computer to interpret TCS Plot 10 commands and dis play them in full refresh Megatek s EDS package gives the user the capabilities in herent in refresh systems dynamic motion without flicker selective erase zoom scale clip rotate translate rubber band blink window and update the host from the screen Options include a larger monitor up to 21 inch more computer memory up to 128K words peripherals such as floppy and hard disk data tablet digitizer plot ter magnetic tape etc Depending upon configuration the Megraphic 6014 sells for approximately 16 000 Delivery is 30 60 days ARO FOB factory San Diego Reader Service Number 14 69 Comtal announces stand alone image processing system Comtal Corporation recently announced a stand alone image processing system called Vision One that gives prospective users a total system from front end proces sor to applications software Vision One combines an LSI 11 the image processor the refresh memory with optional CCD or 16K RAM and Comtal developed applications software into a package that according to Comtal gives customers a powerful system without hav ing the responsibility of developing the in teractive p
17. mag netic cassette tape recorder for storage and retrieval of programs and data The system is programmed in a special version of NCR Basic designed for the mi croprocessing environment The unit can accommodate a variety of off the shelf programs More than 100 preprogrammed applications in the NCR Basic library in clude computer science applications as well as a number of teaching and problem solving applications for other dis ciplines The 7200 Model VI will be available for delivery in the first quarter of 1977 It is priced at 6995 which includes a one time software license charge and a complete set of aids reference manual operator s handbook and the Basic library catalog Reader Service Number 22 Quantor introduces light compact microfiche display Quantor Corp recently introduced the Q 304 the newest and most compact model in the company s line of microfiche display units The Q 304 microfiche display provides a high resolution image of 11 x 14 inch com puter printout at 75 of the original size The unit occupies only 4 x 14 inches of desk space weighs 15 pounds and is bal anced for ease of carrying The unit s stable aluminum base pro vides a heat sink for the lamp eliminating need for a cooling fan Absence of a fan reduces the number of moving parts low ers power consumption and eliminates noise and air flow according to Quantor The Q 304 s optional dual fiche carriage provide
18. n the PDP 11 35 40 It directly addresses 32K 16 bit words and has a maximum memory capacity of 28K words A choice of RAM ROM or combinations of memory are available There is one function processor per image with a capacity of 8 bits 256 levels input and 8 bits output One pseudo color processor per system is provided with a capacity of 6 bits 64 levels input and 12 bits 4 per primary color output Other important aspects of the system according to Comtal are its movable target hardware grid pattern zoom and pagina tion features Interactive devices include an alphanumeric keyboard with prog rammable function switches a trackball and a data tablet Comtal states that the Vision One soft ware allows the user more than 20 major functions including the ability to read selected images from source data and display it to search mag tape for the selected image to select display options 70 The Vision One image processing system provides total system capability at a fixed price according to Comtal The actual selling price is about 15 more than other Comtal systems however it replaces a minicomputer which costs substantially more The bundled system includes the front end LSI applications software and the image processor so that users can go directly to their big computer or use it as a stand alone system such as grey scale display function proces sor operation pseudo color processing true color display o
19. nd asynchronous and is capable of full duplex serial I O channel operation The Z80 counter timer circuit a single phase TTL level clock features four inde pendent programmable 8 bit counter 16 bit timer channels with selectable counter or timer mode readable down counters and selectable 16 or 256 clock prescaler for each timer channel for resolution of 64 usec to 32 msec The Z80 component set requires very lit tle support circuitry All devices require a IMSAI s new 44 column dot matrix printer designed for use with the company s 8080 computer as well as many other computers is priced at 399 in kit and 549 assembled The printer is self contained with case cable power supply timing control and character generation included It offers multiple copy printing using carbon or NCR paper and in terfaces to an 8 bit parallel output port with handshaking Reader Service Number 11 January 1977 single 5 volt power supply and a single phase TTL clock In addition all control signals are directly compatible with I O and memory devices so that system control circuits are not required External inter rupt control and prioritization circuits are not required since these are included in every Z80 I O circuit DMA circuits are generally not required due to an extremely fast interrupt response and powerful I O block transfer capability within the CPU according to Mostek The Z80 development system provides two flop
20. ntity discounts above 2 units Reader Service Number 7 and file editors symbolic debugger and library builder also aid rapid implemen tation of user applications The AOS will be licensed to systems that meet minimum license configuration re quirements Initial systems to each cus tomer have an associated license fee of 2500 The initial system includes three days of on site systems engineering sup port three training credits and one year subscription to the Software Subscription Service Subsequent systems to the same customer are licensed at no charge De liveries will begin in the spring of 1977 Reader Service Number 8 The new DG Video Terminal 6053 from Data General Corporation swivels on two planes It also offers a separate keyboard and variable speeds to 19 2K baud The 96 key typewriter format keyboard features an 11 key numeric pad and 11 function keys Reader Service Number 9 New 10M byte moving head cartridge disk designed and manufactured by Data General can be expanded up to 40M bytes Cartridge disks can be mixed with diskettes on the same controller and a dual porting option allows users to implement dual processor shared disk configurations using standard Data Gen eral hardware and software Single drive sub system prices start under 10 000 Reader Service Number 10 COMPUTER Mostek announces Z80 component set and development system Mostek s microcomputer family offers 8080A sof
21. nvi ronment For application development and prob lem solving AOS provides a range of high level languages including Extended Basic real time Fortran IV optimized Fortran 5 and a powerful macro assem bler A set of AOS utilities including text 6800 programmers panel is compatible with custom designs A new programmers panel from Applied Microsystems provides program and I O troubleshooting capability for 6800 based products The unit connects to a custom 6800 product using a 50 conductor flat ca ble Program debugging features include 68 keys for RESET RUN PAUSE and SINGLE STEP with keys for Examine Change Memory and Examine Change Processor registers A trace memory is implemented which captures the last 100 processor cycles There is also a hardware implemented breakpoint comparator to stop program execution at any desired point The programmers panel contains a 34 key keyboard and hexadecimal dis plays All functions are selected with single keystrokes PIA s and other I O de vices can be quickly initialized and tested A buffered bus is available at the side of the unit so that additional memory and peripherals may be added with minimum impact to the system under test The programmer s panel comes with in terconnecting cable and is packaged in a compact enclosure that will fit in tool kits for field service Delivery is from stock to 6 weeks single units are priced at 1590 with qua
22. ortion of the system It hooks up directly to an CDC Cyber IBM 370 or vir tually any other big computer or it can stand alone The company believes Vision One will have a strong impact on geophysical med ical educational and government applica tions The system provides high fidelity high spatial resolution full color display on a 19 inch studio quality CRT color monitor The image data is displayed for analysis and enhancement and can be photographed for permanent record A choice of CCD memory specifically de signed for Comtal systems or a new 16K RAM offers users the ability to best fit their needs For random access applications the re fresh memory has a capacity of 512K bits to 12M bits The access time is 1 5 usec per byte Access modes include horizontal by rows vertical by columns single pixel 8 bits and any rectangular shape x by y Minimum transfer time for a complete image 512 x 512 x 8 is 100 msec The specifications for line sequential ac cess applications include a capacity of 1024K bits to 24M bits Standard access time is 8 3 msec average per line an op tional fast access is 500 usec average per line The standard access mode is horizontal by rows an optional mode is horizontal by rows and vertical by column Minimum transfer time for a complete image is 150 msec The arithmetic and logical processor uses an instruction set of more than 400 instructions it is the same as the set used i
23. py disks with a file maintenance network The user can quickly retrieve manipulate and store large files of data to minimize software development time In cluded in the system is an advanced real time debug module that connects directly to the user s system providing a simul taneous hardware and software debug capability Mostek states The resident software package operates stand alone on the Z80 development sys tem and has no dependence on external hardware The package primarily consists of an advanced assembler disassembler text editor and disk operating real time debugging program The editor assem bler and file maintenance system are stored on a diskette and can be loaded into the Z80 System within a few seconds The system executive resident in ROM in cludes a program loader Reader Service Number 12 Reality 11 computer system and Scribe printer introduced by Microdata Reality 11 a small business computer system has been added to the Reality fam ily of data base management systems by Microdata Corporation The basic system configuration includes Microdata s 1600 CPU 16K bytes of main core memory 5M of virtual disk memory 5M bytes of file store memory a Prism display terminal and the company s new Scribe line printer The total system is priced at 31 500 The Reality 11 will be expandable to a maximum of 32K bytes of core memory and provisions are made for two additional terminals in any com
24. r false color display and to compute histograms of a selected image and display the results on a graphics overlay Software also enables the system to create the zoom feature to enlarge or re duce a selected area of an image Size changes can be by extrapolation or interpo lation The system can also perform arith New Basic interpreter offered for Binary Systems has introduced a new Basic interpreter for 8080 based mic rocomputers Called Basic etc the new interpreter is a variant of the Dartmouth Basic programming language Basic etc was developed by John Arnold and Dick Whipple of Tyler Texas authors of the Tiny Basic programming language Arnold said they decided on an interpre tive translator over a compiler largely be cause an interpreter frees the user from the job of deciphering new program bugs at the object level metic and logical operations on pixels of multiple images Other software functions enable users to display graphic overlays in selectable col ors calculate the mean and variance of a previously calculated histogram and mod ify the slope and offset of linear function transform curves The price for Vision One is 25 000 to 80 000 Delivery is 60 days ARO Reader Service Number 15 8080 based microcomputers Basic etc uses the lower 8K bytes of memory plus at least 1K bytes of RAM for scratchpad Since it is for business applica tions and games the less frequently used scienti
25. rts the other processor to perform the update When updating a data base Enscribe allows a record locking so that individual records within a data base are available only to a specific terminal As opposed to locking an entire file record locking allows more concurrent access to records within a file Disk data base structures available under Enscribe include key sequenced entry sequenced and relative files Files are not limited to traditional capacity con straints of one disk but instead may span a number of disks Maximum size of each file within the data base is four billion bytes English mnemonics are used by prog rammers to activate data base utility pro cedures Up to 255 secondary keys may be used to access an Enscribe controlled data base Enscribe now is undergoing testing at customer installations and will be released February 14 1977 A Tandem two processor system with 192K bytes of internal memory two 50M byte disks one tape drive one 300 lpm printer and 16 page mode terminals com plete with the Guardian operating system Enscribe data manager Envoy communi cations manager Entry formatter and editor costs under 175 000 Reader Service Number 18 71 The new Shugart SA400 minifloppy drive left is shown with the company s SA800 standard floppy drive Media for the two drives appear in the foreground Minifloppy disk drive is half the size of a standard floppy drive Shugart Associa
26. s access to two 4 x 6 inch files car riers open automatically and independ ently of each other Reduction ratios avail able are 24X 42X 48X and 72X The units are priced at 185 each and delivery began November 1 Reader Service Number 23 January 1977 New Literature CONNECTOR TOOLS 16 page catalog describes products from Jonard Industries Corp 134 Marbledale Road Tuckahoe NY 10707 PERIODICAL Watts Up At SCI is a power supply journal available from Semiconductor Circuits Inc 3046 River St Haverhill MA 01830 617 373 9104 LIBRARY BROCHURE Technical library brochure from Intel Corp describes the company s recent sales and technical pub lications and is available from Intel s Lit erature Dept 3065 Bowers Ave Santa Clara CA 95051 DATA COMMUNICATIONS Bulletin de scribes Tele Dynamics complete line of data communications products and is av ailable by contacting Tele Dynamics Div of Ambac Industries 525 Virginia Dr Fort Washington PA 19034 215 643 3900 DESIGN METHODOLOGY 48 page handbook describes the Jackson Design Methodology and is available from In fotech International U S Training Div P O Box 5008 Pasadena CA 91107 213 793 0687 MULTIPLEX SYSTEM Brochure de scribes series 600 computer based multi plex system from Receptors Inc 4203 Spencer St Torrance CA 90503 INSTRUMENTATION New product brochures are available from Instron Corp wh
27. tes SA400 minifloppy disk drive offers the random access stor age capability of floppy disk drives in a package the size of most cassette tape un its According to the company it also pro vides superior data integrity 1 10 soft er rors 1 1011 hard errors and faster throughput of data 125K bits sec transfer rate when compared with cassette drives Storage capacities of the minifloppy drive are 109 4K bytes unformatted and 89 6 formatted The new drive based on the same technology as the Shugart SA800 floppy disk drive offers an alternative for low cost function applications Its package measures 3 25 x 5 75 x 8 0 inches and weighs three pounds yet it provides the precision and mechanical integrity of die cast chassis construction It features a new direct drive stepping motor actuator that utilizes a spiral cam with a v groove posi tive detent a de servo controlled spindle drive subsystem new 5 25 inch minidis kette media Model SA104 soft sectored and Model SA105 hard sectored developed for the drive and the same proprietary glass bonded ferrite ceramic read write re cording head technology as the company s standard size SA800 According to Shugart no preventive maintenance is required on the unit Power consumption is 15 watts continuous duty and 7 5 watts standby with low heat generation a cooling fan is not required in most customer applications The minifloppy drive will be equipped with an interface to
28. tware compatibility expanded system features enhanced instructions and improved memory efficiency and per formance According to the company the Z80 LSI component set includes all of the logic circuits necessary for the user to build high performance microcomputer sys tems with virtually no external logic and minimum number of standard memory components The Z80 component family includes the MK 3880 CPU MK 3881 parallel input output controller MK 3882 counter timer circuit MK 3883 direct memory access controller and MK 3884 serial input output controller The Z80 CPU features 158 instructions including all 78 of the 8080A instructions with total software compatibility and new instruc tions for 4 8 and 16 bit operations plus 17 internal registers more than twice the 8080A registers including two real index registers The parallel input output controller has two independent 8 bit ports with hand shake interrupt driven and four modes of operation under program control byte input byte output byte bidirectional and bit control The direct memory access controller handles bidirectional data transfers bet ween main memory and Z80 peripherals It features four selectable modes of transfer no cycle steal byte at a time burst and continuous Data handling rate is 1 2 bytes sec The serial input output controller is de signed to handle peripherals with serial data interface requirements both syn chronous a
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