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1. Interface Age 1980年10月号

coated with positive PhOtO イ esist. Provided with the board are layout paper, clear mylar film for artwork, a heavy plastic bag fO 「 etching and complete instructions. The 8800 日 2 boards are $ 19.95 each; the 日 407 transfer artwork kit, $ 2.65 ; the 259 etchant, $ 1 .69 ; the 2594A etchant, $ 1 .30 ; and the 0088-21-45 developer, $ 2.46. Vector Electronic CO. , 12460 Gladstone Ave. , Sylmar, CA 91342 , ( 213 ) 365-9661 , TWX 910-496-1539. CIRCLE INQUIRY NO. 156 6502 development system contains within one program a text editor, assembler, disassembler and symbolic debugger. The system is available on APPle compatible diskette and resides in slightly over 8K RAM. video terminal, and printer. The system does complete jOb costing—allowing each house under construction tO be broken down intO up tO 99 user definable cost center. The system 引 SO provides a fully integrated general ledger tO keep track Of accounts payable tO vendors and subcontractors, and provides financial statements. Dalcon 旧 511 Woodbine Ave. , Nashville, TN 3721 1 , ( 61 5 ) 242-5801. CIRCLE INQUIRY NO. 158 Advanced business computer features a unique, decentralized system architecture, entirely modular in design. は can be expanded from a basic, low-cost system tO one utilizing more than 32 peripheral devices and ap- proaching large, expensive computerS in capabilities and storage capacity. The basic system consists Of a CRT/keyboard terminal, a 1 50-character per second impact printer and a control cabinet which houses a high speed floppy disk dual drive (with space for a second drive), tWO plug-in processor boards (with provision for a third) and a power supply. The system is available with a number Of choice Of four types Of Eprom/ROM ( 2708 , 2758 , 2608 , 2716 and 2732 ) allows expan- sion from 4K tO 16K bytes; 1 K Of RAM is in- cluded and may be extended up tO 1 K using 旧 t standard 21 14A -5 1 K x 4 static RAMs (sockets for these additional RAMS are pro- vided on the ISBC 80 / 1 OB board). Price: $ 560. 旧 t CO 「 p. , 5200 N. E. Elam Young Parkway, Hillsboro, 0 日 97123 , ( 503 ) 640-7147. CIRCLE INQUIRY NO. 154 Five-component system lets designers quickly prepare custom circuit boards fO 「 S-I OO-bus systems without costly and time- consuming photo-negative processing. Heart Of the system is a positive イ esist- coated, double-sided copper-clad circuit board, model 8800 日 2. The 5.3 by 1 0 by O. 062 inch F 日 4 , GI 0 epoxy-glass board is form and bus compatible with the S-I OO con- vention. At the lower edge are 1 OO go 旧 - flashed, nickel-plated card-edge contacts ( 50 each side) on 0.125 inch centers. The 鸞朝第画物を は is SO available on Eprom with socket adaptors tO replace lnteger Basic and con- vert the AppIe tO a dedicated 6502 develop- ment tOOI. Microproducts, 30420 Via Rivera, R. P.V. , CA 90274 , ( 213 ) 541-5131. CIRCLE INQUIRY NO. 157 Home builders business system, a com- contacts continue intO the two-ounce copper plete, turnkey, microcomputer system con- fields SO that no jumpers are required after sists Of a North Star Horizon Ⅱ computer, etching. BOth sides Of the board are pre- 32K BYTE MEMORY RELIABLE/COST EFFECTIVE EXPANDABLE RAM FOR 6502 AND 6800 SYSTEM—AIM 65-*KlM*SYM*PET*S44-BUS ☆ PLUG COMPAT 旧 LE WITH THE AlM-65/SYM EXPANSION CONNECTOR BY USING A RIGHT ANGLE CONNECTOR (SUPPLIED) MOUNTED ON THE BACK OF THE MEMORY BOARD. ☆ MEMORY BOARD EDGE CONNECTOR PLUGS INTO THE 6800 S 44 BUS. ☆ CONNECTS TO PET OR KIM USING AN ADAPTOR CABLE. ☆ RELIABLE—DYNAMIC RAM WITH ON BOARD INVISIBLE REFRESH—LOOKS LIKE STAT ℃ MEMORY BUT AT LOWER COST AND A FRACTION OF THE POWER REQUIRED FOR STATIC BOARDS. ☆ USES + 5V ONLY, SUPPLIED FROM HOST COMPUTER ☆ FULL DOCUMENTATION. ASSEMBLED AND TESTED BOARDS ARE GUARANTEED FOR ONE YEAR AND PURCHASE PRICEIS FULLY REFUNDABLE 下 BOARD RETURNED UNDAMAGED WITHIN 14 DAYS. ASSEMBLED WITH 32K RAM $ 419.00 $ 349.00 WITH 16K RAM TESTEO WITHOUT RAM CHIPS $ 279.00 HARD TO GET PARTS ()O RAM CHIPS) 引四 .00 WITH BOARD AND MANUAL $ 49.00 BARE BOARD & MANUAL 16K MEMORY EXPANSION KIT ONLY S58 FOR APPLE, T 日 S ・ 80 KEYBOARD, EXIDY, AND ALL OTHER 16K DYNAM ℃ SYS- TEMS USING MK4116-3 0 日 EQUIVALENT DEVICES. ☆ 200 NSEC ACCESS, 375 NSEC CYCLE ☆ BURNED-IN AND FULLY TESTED ☆ 1 YR. PARTS REPLACEMENT GUARANTEE ☆ QTY. DISCOUNTS AVAILABLE 64K BYTE EXPANOABLE RAM DYNAM ℃ RAMWITHONBOARDTRANSPARENT REFRESH GUARANTEED TO OPERATE 爪 NORTHSTAR, CROMEMCO. VECTOR GRAPHICS, SOL, AND OTHER 8080 0 日 Z -80 BASED S100 SYSTEMS*4MHZ Z-80WlTHNOWAlTSTATES. ☆ SELECTABLE AND DESELECTABLE 爪 4K lNCREMENTSON4KADDRESSBOUNDARlES ☆ LOW POWER—8 WATTS MA 刈 MIJM ☆ 200NSEC4116 日 AMS. ☆ FULL DOCUMENTATION ☆ ASSEMBLED AND TESTED BOARDS ARE G U A R A N T E E D F 0 R 0 N E Y E A R A N D PURCHASE P 日℃臼 S FULLY REFUNDABLEIF BOARD 旧 RETURNED UNDAMAGED WITHIN 14 DAYS ASSEMBLED / TESTED $ 595.00 $ 529.00 $ 459.00 $ 389 00 VISTA V ・ 200 MINI ・ FLOPPY SYSTEM ☆ SI 00 DOUBLE DENSITY CONTROLLER ☆ 204 KBYTE CAPACITY FLOPPY DISK DRIVE WITH CASE & POWER SUPPLY ☆ MOD 旧 ED CPM OPERATING SYSTEM WITH EXTENDED BAS ℃ S695.00 5 64KRAM 48KRAM 32KRAM 16KRAM COffPUTER DEVICES ー 0 山 . ( 0 ー LIn ー AVE. ORMGE, ( 92668 ( 料 4 ) 655 ・ 1280 C residents が ea ・・ add 6 % ・謝肭 x. Ma 引・代 h 町 00 & Visa 0 ・ pted. 円・ as ・ allow 14 days 「 checks tO clear bank. Phone 0 e w come. Shipping c れ町 9 ・ 5 will be added all shipments. S100 MAINFRAME ANO CARD CAGE ☆ W/ SOLID FRONT PANEL . S239.00 ☆ WI CUTOUTS FOR 2 MINI—FLOPPIES . ☆ 30 AMP POWER SUPPLY . ☆ 8 SLOT MOTHERBOARD ☆ 1 9 SLOT MOTHERBOARD PETINTERFACE KIT—CONNECTS THE 32K RAM BOARD TO A 4K OR 8K PET. CONTAINS:INTERFACE CABLE, BOARD STANDOFFS. POWER SUPPLY MOD 旧 CATION KIT AND COMPLETEINSTRUCTIONS. 9. 凹 S239.00 S119.00 S149.00 S199.00 U. S. PR ℃ ESONLY INTERFACE AGE 1 1 / OCTOBER 1980

2. Interface Age 1980年10月号

MEMORY EXPANSION FOR TRS-80* AII you have tO remember is tO 0 他 g it in Four configurations are available: Memory expansion. lt's a field packed with intriguing theories. FO 「 instance, it has been suggested that the memory areas Of the Without RAM in kit form human brain are transferable from one bOdY (MT-32K @ $ 79.50 ) tO another, like transplanted kidneys.ln man or machine, a larger memory iS always a Without RAM assembled and tested welcome acquisition. (MT-32A @ $ 99.50 ) け you are interested in expanding your With 16K RAM assembled and tested TRS-80 memory without shelling out dollars ()T ・ 32B @ $ 159.50 ) fO 「 a full blown expansion interface,we have just the solution. With 32K RAM assembled and tested lntroducing the MT -32. Ou 「 new, brilliantly (MT- 32C @ $ 199.50 ) designed Printer/Memo 「 y expansion module fo 「 the TRS-80. This unit will add 16K 0 「 32K Available from Microtek Of dynamic RAM tO your basic 16K machine. 0 「 your nearest computer dealer. The module SO contains circuitry tO drive Microtek's MT-80P dOt matrix printer, 0 「 any Other Centronics-compatible printer. 物■物・ⅵⅢ NO hardware modification tO your TRS-80 is required. Just plug intO your bus connector and you are ready tO go. AII Microtek products are covered by a one MICÄOTEKina year warranty. 9514 Chesapeake Drive San Diego, CA 92123 Tel. ( 714 ) 278-0633 TWX 910-335-1269 CIRCLE INQUIRY NO を 40 TRS-80 is a Registered Trademark of Tandy CO 「 p.

3. Interface Age 1980年10月号

"WH OLESALE COMPdTER PRICES ” OMEGA DIRECT TO THE PdBLIC SALES 12 Meeting St. , Cumberland, R 」 . 02864 CO. PRODdCT SPECIAL OF THE MONTH!! OMEGA OFFERS THE BEST DELIVERY AND PRICE ON: APPLE ・ ATARI ・ TRS ・ 80 MODEL II ・ INTERTEC ・ T 」 . 810 ・ HEWLETT-PACKARD-85 ・ SOROC ・ COMMODORE ・ NEC ・ QUME ・ CENTRONICS CIRCLE INQUIRY NO. 45 ()MEGA sells 0 司 y factory fresh, top quality merchandise to our customers. C)MEGA will try to match any current advertised price with similar purchase conditions. Before you buy anywhere else - be sure to call OMEGA Sales CO. 1-401 ・ 722-1027 or ト 800-55 & 7587 )MEGA ships via UPS, truck, 0 「 air. COD's, VISA, mastercharge accepted. A member in qood standinq of the better business bureau. TRS ・ 80 Modelll- $3 , 500 Products are NOW STOCK AT OME GA Sales Co. ーア Apple 16K - S1049 Atari 800 749. OO INTERTEC SUPERBRAIN 32K RAM - $2 鬨 9.00 64K RAM ・ S2649. OO Fo 「 : TRS ・ 80. AppIe. CBM. (lnterface lncluded) 3 第 ! ー第 CALL TOLL FREE FOR 0 ' S PRICE! NEC Spinwriter 5510 ・ 5530 ・ S2449 So 「 oc 120 ・ S699 Epson TX ・ 80 ・ S745 OLL FREE V/S4 n 沼日 charge

4. Interface Age 1980年10月号

、ツ every smarT comPIJTer neeDS an 50 SYSTems HearT. Wedesign and manutacture acomplete lineof in- dustry compatible microcomputer boards and kits that can serve asthe heart Of your system. AII are S- 100 Bus compatible and use the Z80 microprocessor. MPC-4—This SD Systems exclusive is a multi port controller which usesthe Z80 for multi-user opera- tions offering four serial RS -232 レ 0 channels. 58C 1 側々 00 ー A 2.5 / 4 megahertz range of single board computers which are effective standing alone or combined with the complete SD board range. ExpandoRAM ー″ーー Fo 「 use with 250/200 nanosec- ond RAM, these high density boardsoffer 16t064K memory; the Expand0RAM Ⅱ can achieve RAM ca- pacities uptO 256K using 64Kchips. 阨′ sa ″ 0 〃〃 y 〃〃ー A floppy disk controllerfor upto four drives, supporting single/double density and single/double-sided disk formats. M08- 24 ー Afu Ⅱ function visual display board with a Z80 controller that adds display capabilities to your system. P ′ om 7 側ー A specialty board of SD Systems which allows you tO program 2708 / 2716 / 2732 proms. Z -80 5 ね e ′ Kit —A low-cost entry into the world of microcomputers designed primarily for education and experimentation. P.O. Box 2 10 ・ Dallas, Texas 75228 ・ 214-2714 聞 7 ・ Telex 682 16 CIRCLE INQUIRY NO. 50 Ⅳ 0 ″ YO リ CANSAVE $ 25 PER 80AR0 when you purchase any SD Systems microcomputer board from participating SD Systems dealers listed below. * 0 升 e 「 expires 10 1 用 0 ADVANCED COMPUTER JADE COMPUTER PRODUCTS, 根 C. PRODUCTS lrvine CA ・ 714-5 - 13 Hawthorne CA ・ 88421-55 ANCRONA MARK GORDON CuIver City CA ・ 213 414 4 COMPUTER Cambridge MA ・ 617791-7505 THE COMPUTER MART Waltham MA ・ 617- 94540 MINI MICRO MART Syracuse NY ・ 3154224467 COMPUTER PRODUCTS STORES PRIORITYONE Springfield に・ 217-528-827 Sepulveda CA ・ 88423-56 0 「 213-8 171 CUSHMAN ASSOCIATES WiImington DE ・ 302- 的 5 7 S-I Clark NJ ・ 201- 2-1318 DAL-COMP Dallas 以・ 214-3 895 0. T. COMPUTER SYSTEMS,INC. FUTURE ELECTRONICS Lawndale CA ・ 8 421-5150 Natick MA ・ 617-237 0 (ex. (A) 0 「 213-9709952 Fo 「 complete product information, send fo 「 SD Systems' board and kit brochure 但 K -101 ).

5. Interface Age 1980年10月号

S は厄 arn ⅲ 9 and computing ル「 only $ 129.95 i 市 0 Netronics 8085- sed computer t. Then expand なⅲ lOW-cost steps tO 0 business/development system 面 64 0 「 mo 肥 RAM, 8 ″引叩 py disk drives, hard disks and multi- ten れⅲ 0 リ / 0. THE NEW EXPLORER/85 SYSTEM Special! Full 8 " floppy, 64k system for less than the price 可 0 mini! OnIy $ ー 499.95 ! (Also available wired & tested. $ 17 的 .95 ) nal 256 bytes located in the 8155A ). The static RAM for only $ 129.95 you can own the starting lma ine can be located anywheré from . to EFFF ⅲ 4k leve Of Explorer/85, a computer that's expandable int0 blocks. full business/development capabi Ⅲ ies - ー a computer that c.an be our beginner system. an OEM controller, LEVEL "E ” SPECIFICATIONS or an IBM-\ormatted 8 " disk small business 00. LeveI "E" adds sockets for 8k of EPROM to use the From the first day you own Ex が 0 肥 r / 85. you begin popularlntel 2716 or the TI 2516. Ⅱ includes all scxkets. computing on a significant level, and applying princi- power supply 肥 guIat0 「 . heat sink. filtering and decou- ples discus sed in leading computer magazines. Ex- pling components. Sockets may 飜 so be used for 2k x 8 pIorer/85 features the advanced lntel 85 cpu. which RAM IC's (allowing for up to 12k of onboard RAM). is 1 償 compatible with the older A. Ⅱ offers on- DISK DRIVE SPECIFICATIONS board S- 1 ( 用 bus expansion. M icrosoft BASIC in ROM. ・ 8 " CONTROLDATACORP. ・ Datacapacity: 1.016b ⅵ es plus instant conversion tO mass stora e diSk memory professionaldrive. (SD). 2.032 bytes(DD). with standard IBM-formatted 8 " AII for 0 ⅲ ・一ー con olle 「 . unformatted. $ 129.95 、 plus the cost of wer sup , keyboa / ・、Ⅳ「ⅱ ep 「 0 ct. ・ Accesstime: 25n 当 ( one Full 8 " disk system 厄司 e than the price 可 0 mini (shown with ・ SingIe 0 「 double density. track). terminal and RF modulator i you don't ave them Netronics Explorer/85 (.ompute 「 and new terminal). System features DISK CONTROLLER/ I/O BOARD our remarkable prices w for these and other ac- floppy drive な om Con な司以 0 C ( ) 甲 . , world's 「 g t maker 可 SPECIFICATIONS cessories). With a Hex Keypad/display front panel, memory storage systems (not 0 hobby brand!) ・ Cont ・・ olsuptofour8"drives. ・ 2716PROMsocketincluded Level 、、 A " can be programmed with no need for a ter- ・ 1771AL 引 (SD)floppydisk fO 「 use in custom minal, ideal fo 「 a cont roller. OEM, or a reallow-cost cnnt 「 olle 「 . applications. start. ・ OntX)ard data 記 pa 「 ato 「 ・ OnboardcrystaIcnntroIIed. Level "A" is 0 (IBM compatible). ・ Onboard I/O baud rate ・ 2 「 ia ⅱ / 0 1X)rts ・ Autob(k)tto disk system ・ uble-sided PCboard when system reset. 、冩ⅲ ne . hobbyists, DISK DRIVE CABINET/POWER SUPPLY 。 industrial con 作 0 〃 e 「 ・ lhluxe steel cabinet with individual (X)wer supply for max- u . $ 129.95 imum reliability and stability. ORDER A COORDINATED LEVEL "A ” SPECIFICATIO NS EXPLORER/85 APPLICATIONS ExpIorer/85' s LeveI' 、 A" system features the advanced lntel ) 85 cpu, an 55 ROM with 2k deluxe monitor/ PAK! 籌 d 8155 RAM I/0 Beginner's Pak (Save $%. M)!)— Buy LeveI"A" (Ter- rcx)m for RAM/ROM/ minal Version) with MonitorSource Listing and AP-I PROM/EPROM and S -18 expansion, plus generous 5-amp Power SuppIy: (regular price $ 1 的 .95 ) , now at prototyping space. SPECIAL PRICE: $ 169. plus post. & insur. PC Board: G lass eEX)xy, through holes with Pak Ⅱ (Save 覧 3.40 ! ) ーー Buy Level solder mask. ・ I/O: Provisions for 25-pin (DB25) con- 、 A ・ ' (Hex Keypad/Display Version) with Hex nector for terminal seriaII/O , which can also supEK)rt a Keypad/Display.Intel ) 85 User ManuaI, Level' 、 A' cassette tape recorder input and paper tape reader . Hex Monitor &)urce List ing, and AP-1 5-a mp Power output ・ ... cassette tape control output .. LED output Supply: (regular price $ 279.35 ) , all at SPECIAL indicator on (C)D (serial output) line . rinter inter- PRICE: $ 219. plus post. & insur. face (less drivers) ... total of four 8-bit p us one 6-bit Microsoft BASIC Pak (Save $ 103. ! ) ー - レ 0 s. ・ C Frequency: 6.144 MHz. ・ CO 猷ー cludes Level "A" (TerminaI Version), Level 、、 B ・ Switches: Reset and user (RST 7.5 ) interrupt ... addi- LeveI 、、 D ' ' ()k RAM). Level "E", 8k Microsoft in tional provisions for RST 5.5 , 6.5 田 TRAP interru ts 00 面 0 . ・ C000t ・ , / Tim ・ 0 P 墅 0000b 厄 , 14- b 、 t 、 ROM, lntel ) 85 User Manual. lævel い A' ・ Monitor Source Listing. and AP-1 5-amp Power Supply: (regu- nary. ・ System 強 M : 256 bytes located at F 耻 ideal lar price 39.70 ) , now yours ・ at SPECIAL PRICE: for smaller systems and for use as an isolated stack $ 329. plus post. & insur. area in ex ded systems .. RAM expandable t0 64K via S -1 圓翳 or 4k on motherboard. ADD A TERMINAL WITH CABINET, GET A FREE RF MODULATOR: save System Monitor (TerminaI Version): 2k b es of over $ 114 at this SPECIAL PRICE: . deluxe system monitor ROM located at F" eaving plus post. & insur. free for user RAM/ROM. Features include tape Specia18" DiskEdition Ex が 0 肥「 / (Save ov $ 1 ! ) load with ... examine/change contents of lncludes disk-version Level"A" Level 、、げ ' two ー emo ′ ... insert data ... 、 Start ... examine and S -1 ) connectors and brackets. disk controller 、 64k change all registers . . single ste with 肥 ister display RAM AP-1 5-amp powersupply. Explorer/85 deluxe each break point, a debuggi traini eature ... . 000 ー 0000 f 0 steel cabinet. cabinet fan. 8 " SD/DD disk drive from ー 0 execution address famous CONTROL DATA CORP. (not a hobby . fill bl(Xks of memory with a one location tO another . brand!) 、 drive cabinet with power sup . and drive display blocks of memory ... automatic 00b 厄、 0 ト up f00 ー 00 dr ⅳ 0 , This P00 し ge i0010d0 、 constant baud rate select ion baud . variable dis lay everything butterminal and printers (see coupon for line length control い -255 characters/line) them). ReguIar price $ 1630. . all yours in kit at nelized I/O routine with 8-bit parallel output SPECIAL PRICE: $ 14 . plus ) s し & insur. Wired for high-speed printer . serial console in and console and tested. only $ 17 . %. out channel SO that monitor can communicate with l/O SpeciaI! CompIete Business Software Pak (Save s. LEVEL "D ” SPECIFICATIONS System Monitor (Hex Keypad/Display Version ) : lncludes CP/M 2.0. Microsoft BASIC. lævel' 、 D" provides 4k of RAM. (X)wer supply regula- Tape load wit h labeling ね dump with labeling General Ledger. Accounts Receivable. Accounts ⅱ on. filtering decoupling components and sockets to . examine/change contents Of memory ... insert data PayabIe. PayroII Package: (regular price $ 1325 ). yours expand your Explorer/85 memory t0 4k (plus the origi- . examine and change all registers . now at SPECIAL PRICE: .95. . warm 円 ease send the items checked below: ロ AP•I w 叩 p ー士 8V @ 5 amps) indeluxesteel cabinet ロ頂 skü)n 一群Ⅷⅲ I/O 引 .95 plus $ 2 引 . ロ Ex / 時 IÆV "A ” kit(Terminal Version) ... 引 .95 us $ 39.95 lus $ 2 po 引 . & insur. & in.sur. ロ S : : C,onWete il 、 *)ftware Pak (see ロ 0 円 ( Ⅱ .. S4.85each. EX)stpaid. $ 3 mjst. & insur. ロ取 / 時 lævel "A ” kit(Hex Keypad/DisplayVersion) . ロ ' 物 atO ーー allowsyou to useyourTV set as a mon ⅱ 0 「 ) ー . 圏餌 ) 引 pa id. $ ー . 盟 5 plus $ 3 し & insur. SOLDSEPARATELY 0 れ B ん 00 00 、、・Ⅲ e ね . . 1Xjstpaid. ロ ロ CP/M れ 4.. Sl(ng»stpaid. ロー胤 M い S - 1 boa 「 d expandst064k) .. 引 .95P s $ 2 Mic 「 0 れ、血 ROMkit(requires Levels ・・ B ・・ . ・・ D " and ロ CPIM 2.0 . 駅 ) 引 paid. ロ 伊 ) s し & ln.sur. ロ刊 Ott BASIC.. $ 325 m)stpaid. ・ (") .. $ .95 plus $ 2 凶引 . & insur. ロ 32k AM し . 載 .95 plus $ 2 餌 ) 引 . & insur. ロ "B ” ( l( ー灯し . 材 5 plus $ 2 凶軋 & insur. ロ lntel 積 5 回 . . $ 7. 浦馗 . ロ 48k M し . $ 3 . 5 plus $ 2 ) 引 . & insur. ロ、 el "C' (S-lM)6•card ー (r) し . S39. 曾 5 plus $ 2 凶引 . ロⅧ A " 川川「 . $ 25 餌 ) 引 paid. ロ Nk M し . 材 . plus $ 2 餌 ) 引 . & insur. ロー AM EXINinsim い t( ) expand any ofthe above ⅲ 16k & insur. Con n は U 、ス . ⅲ第積引面 ( 翫 ut ロ IÆV “ ()k M ー紀ー . .95 plus $ 2 ) 引 . & insur. block.s upt064k) .. $ . が us $ 2 p ( . & insur. each CALL TO 乢 FREE: 800-243-7428 ロ uwel "E ” (EROWROM) ー .. S535 plus 浦 0 p&h. ロ lntel 積 5 催ゞ聞 l.. $ 7. ) 引 paid. ロ lk*uxe ーーけ 0 「 ExpIorer/85 .. 材 0.95 plus ) 引 . 口に " Ⅵー物 n 0 ロ 10MHz bandwidth) ... 引 39.95 plus $ 5 To Order From Connecticut Or For Technical 伊 ) 引 . & jn.sur. Assistance. call ( 203 ) 354-9375 & lnsur. $僑 . mplus $ 1. 浦凶引 . & insur. ロ肥「、 Pak (see above) 引開 .95 plus 伊 ) 引 . & insur. ロ Fan Fo 「 Cabinet TotaI EncIosed (Conn res. add sales tax) $ ロん K /( m 「ー出ー features a full 128 ロ Ex 「ⅲ肥、 (see amve) . 載 .95 plus 新 ) 引 . & Paid By: character set. u&l case: full cursor control: 75 Ohm video ln.sur. ロ PersonaI Check ロ Cashier ・ s Check/Money Order ロ刊 crt 0 れ BASIC 「ー出Ⅱ s “ⅸ ) ve ) . output: convertible tO baudOt output: s : ね b baud 「 e. に S232- Co 「 20 ma. レ ( ). 32 0 「図 character by 16 line formats. ロ VISA ロ Master Charge (Bank No. $ 3 .95 plus $ 7 伊 ) 引 . & insur. and can be used with eitheraCRT monitororan set (ifyou ロ Same a.s above. plus ん第 Keymard 「ーーⅧⅲ信 Exp. Date Acct. No. 引 49. 5 plus $ 3.8 ) 引 . & insur. CA atO ロ we above) .. 材圏 .95 plus 引 0 凶引 . have an RF modulator) . Signature ロ lmuxe 績ーー fo 「 ASCII keyboard/terminal & insur. Print ロ用・頂、 k E 川側糲俯町 / いⅢ above) . S19.95plus $ 2. 凶 & insur. 引 4 .95 Na me ロ New! ーー l/ 物 : ( ま甲 photo) Same features as dbove. plus $ 26 ) s し & insur. Add ress e.xcept 12 " monitor with kevboard and terminalis in deluxe ロⅧ「 & 1 一 .. 引 7 .95 lus $ 26 ) 引 . & insur. ロ Extra 8 " noppy 併ⅳ & 95P に、 S12 引 . & ⅲ、 00 single cabinet: kit S3 .95 plus $ 7 餌 ) 引 . & i nsur. City ロー肥ー & H)wer For Drive.. 95 p に、 S3 , 引 . & ロ Hazeltirw ー n 山旧 ls : Ot11 ・ prices too low to quo い・一 CALL ー馬 State Zip ロ町・ gl rn 山駅 / ⅲ : Our prices t(K) low to q Ⅲ市 !. lnsur. NETRONICS Research & Development Ltd. CALL ロ l)rive e ト社 p FO 「 1 ⅳ . . $ 25 plus 引 . 浦伊 . & 、 333 Litchfield Road, New Milford, CT 776 Hex K 同 / 頂、 ay し . . 盟 5 plus $ 2 伊ぶ . & insur. ロ lnsur. OCTOBER 1980 INTERFACE AGE 3 プ CIRCLE INQUIRY NO. 81 Level い A ” With Hex KeY\Å1d/DispIay. single step with register display at each break point 冩 0 tO execution address. Level ・、 A " in this version makes a perfect controller for industrial applications. and is programmed using the Netronics Hex Keypad/ Display. Ⅱ is low cost. perfect for heginners. H E X KEYPA D/DISPLAY SPECIFICATIO NS Calculator type keypad with 24 system-defined and 16 user-defined ke s. Six digit calculator-type display. that displays fu ~ 0dd00 、、が da ね 0 、 00n ~ , egi 引 0 , and status information. LEVEL "B ” SPECIFICATIONS LeveI 、、 B 、 ' provides the S -1 開 si nals plus buffers/ 市ⅳ 00 、 to 、 up 凶 rt up 、ⅸ S -1 開 0 、 b000d 、 . 00d in- cludes: address decoding for onboard 4k RAM expan- sion selectable in 4k blocks ... address decoding for onboard 8k EPROM expansion selectable in 8k blocks address and data bus drivers foronboard expansion 、 wait state generator (jumperselectable). toallow the use Of SIO 、 memories . コ WO separate 5 volt regula- tors. LEVEL "C ” SPECIFICATIONS LeveI "C' ・ expands Explorer/85's motherboard with a card cage. allowing ou tO plug u tO six S -1 ( 用 cards directly in 市 0 00 00 0 , d BO よ 00g0 00d 000d 000 neatly contained inside Explorer•s deluxe 引ー cabinet. lævel 、・ C ' ' includes a shee.t metal superstruc- ture. a 5-card. go 旧 plated S -1 開 extension PC board that plugs i nto the motherboard. 恒 add requi red number of S-I(K) connectors. Ex 可 0 「 e 「 / 85 With Level' ℃” ′ー / Card Cage ・

6. Interface Age 1980年10月号

CHOOSE... Choose an AppIe Desk に u 前ユ luu ーこ道 uu れ what you want, then color is what you enough wires and cables tO thrill an get. For "under $ 400 , " it is offering a electrician, the strange-looking expan- 4K RAM, 8K ROM unit with a 53-key sion interface, and the accompanying giggles from the rest Of the computer typewriter-type keyboard, 1 , 500 baud industry. That scenario has not been cassette interface and RS -232 serialin- repeated. The model Ⅲ has gotten rid terface. The color computer provides a Of that cheap, plastic IOOk, shows some screen format Of 16 lines, 32 characters- excellent styling, and doesn't have a per-line and graphics arrays from 32 by visible cable—except tO peripherals. 64 tO 196 by 256. The machine uses plug-in color program pack, and the initial fact, the unit resembles the offering includes: personal finance, AppIe Ⅲ in many respects. CertainIy, A bi-level desk ideal fo 「 an AppIe math, bingo, chess, checkers, music, bOth feature themselves as integrated computersystem. This 42 ” x 31 % ” desk cor 第 with a shelf to ho two AppIe disk drives. The football, pinball and quasar commander. units with keyboard, memory, and top shelf fO 「 your TV 0 「 monitor and manuals The program packs sell f0 「 $ 29.95 tO diskette storage capabilities in one. can a 0 have an optional paper 引 Ot tO accom- $ 39.95. Joystick controls with push- This RadiO Shack offering has a hand- Odate a printer. button triggering are $ 24.95. A 16K some sculpted keyboard, a variety Of Choose a Micro Desk RAM unit is available as an expansion memory sizes ranging from 4K tO 48K option fO 「 $ 218 0 「 as a complete unit, and up tO tWO onboard diskettes with a upping the system price tag tO $ 599. A configuration limit Of four. matching 1 3-inch color TV receiver is The model Ⅲ is available in three ver- available fO 「 $ 399. sions. The levell system with 4K Of Looking very much like the color RAM prices at $ 699. は will reportedly computer, but bearing a different key- run with 訓 modell,levell software pro- board, is the Videotex terminalthat will grams as it uses the levell Basic. A second version with 16K Of RAM sell for $ 399 and be available in and model Ⅲ Basic will sellfor $ 999 and Get your micro computer off the desk top and November. は includes a direct-connect intO the micro shelf under ou 「 Designer Series features upper and lower case. telephone modem and 4K 0f memory, desks. SuitabIe fo 「 the North Star, Dynabyte, The third version, dubbed the desk- and can be used for accessing net- Vector Graph ics, and Altos computers The top business computer, has 32K Of works such as Micronet. deskS come in a variety Of sizes and CO ー 0 「 S. RAM, two double-density 40-track disk RadiO Shack is quick tO point out that Choose a Mini Rack drives, an 日 S -232 serialinterface and the Videotex terminalis just that... a ter- sells for $ 2 , 495. は can be expanded tO minal, and despite its resemblance tO the full 48K and four disk drives. One Of the color computer, is not a computer. its high points is the ability tO read exist- The daisy wheel printer is just that, a ing modell disks, which immediately daisy wheel printer, with some unique makes 訓 Of that software out there application Of plastics and a price tag Of available fO 「 immediate use. The model $ 1 960 ー we below the average. Ⅲ Basic is "compatible with most The printer plotter, at $ 1 460 , is T 日 S -80 modell programs," according to bound tO become quite popular. は the company. lnterestingly enough, the features multidirectional printing and company still denies that production on has an average print speed Of CPS on the modell has been stopped. 7.5-inch lines. The Lineprinter Ⅵ , a wide bed 100 CO 「 s , at last CPS printer featuring bidirectional 9 by The long-awaited color unit seemed 7-dOt print head, can use between dwarfed in this announcement by the 4-inch and 1 5-inch paper, has a built in previous tWO products, but if color is character self-test and limited graphics capability. Made overseas, the unit car- ries a $ 1 , 160 price tag, is being made exclusively f0 「 Radi0 Shack and uses a Centronics-type interface. lncidentally, one Of the chief criticisms against RadiO Shack has been the way it refuses t0 acknowledge any- one else in the industry. lts marketing policies in company-owned stores high- light this view, since it doesn't even 訓 OW non-Radio Shack publications tO be SO 旧 . That wall may be about tO crack. Along with the Videotex announce- 物 ment, RadiO Shack a 0 advised us that it will be selling a videotex software package f0 「 Apple that will retail for $ 29.95 , and are seriously considering an offering Of the package fo 「 other popular microcomputers. OCTOBER 1980 Mini racks and mini ーれ iC 「 0 racks have standard venting, cable cut outs and adjustable RETMA rails. Choo a stand alone bay 0 「 a 48 " , 60' 72 ” desk modelin a variety of co 「 s and wood tones. A custom rack is available for the C 「 0 ー第 e ー第 CO. Choose a Printer Stand The UniversaI printer stand fits the: Centronics 700 ′ s DiabIo 1600 ′ s & 2300 ′ s Dec LA 34 T ヨ : 810 & 820 NEC Spinwriter Okidata Slimline Lear SiegIer 300 ・ s Anadex 9500 ' s Delivery in days on over 200 styles and co 「 s in StOCk. Dealer inquiries invited. ELECTNONIC 5 5 〒 EM 与 FURNITUNE COMe リ 17129 S. Kingsveiw Avenue Carson, CaIifornia 90746 Telephone: 213 / 538-9601 CIRCLE INQUIRY NO. 16 第 8 INTERFACE AGE

7. Interface Age 1980年10月号

SUPERBRAIN FUTRA PRICE $ 2445 list $ 2995 GRAPHICS PAPER TIGER FUTRA PRICE $ 879 list $ 1095 FUTRA COMPANY P. O. BOX4380 DEPARTMENT ー TORRANCE, CA 90510 Phone ( 213 ) 370-2933 M ー 0ROS0 ドす Z -80 Soft Card A high performance d0t matrix 96 character printer with Factory Graphics Opt. Serial and Parallellnterface EMAKO 22 printer $ 749 WOW! A complete expandable, Z80, SI 00, CP/M, Computer System With Dual Drives350K, 12 " CRT, 32K RAM Double Density Superbrain $ $ CALL ATARI 800 FUTRA PRICE $ 795 list $ 1085 FUTRA PRICE $ 259 list $ 349 Now! Z80-CP/M Capability in your Apple Ⅱ . Switch between Z80/8080 softwa 「 e and Apple Ⅱ 6502 software CP/M & Microsoft Basic lncl. 12 ” SANYO GREEN SCREEN MONITOR Now! 80 by 24 Screen display fO 「 your AppIe Videx 80 x 24 "Videoterm ” with Graphics Rom FUTRA Price $ 269 list $ 369 7 by 9 dOt Mat 「 ix, uppe 「 and lower case with true decenders. 1 K firmware inco 「 PO- 「 ates pascal and Basic protocalls. Com- patible with APPle peripherials, User definable character set, lnverse display Supe 「 fO 「 Language System and 乙 80 Softca 「 d A 16K RAM personal computing system with BAS ℃ Lang. Program Recorder $ 78 Education Cartridge $ 58 AppIe 0 「 AppIe Plus w/16K RAM TARBELL DS ・ 0 FUTRA PRICE $ 2099 list $ 2399 FUTRA PRICE $ 274 list $ 325 A complete double densityS-100 Disk Subsystem, Dua18" drives and controller, att 「 active cabinet, power supply, CP/M, Tarbell BAS ℃ VDS-IIDD DoubIe Sided $ 2449 MOUNTAIN HARWARE fo ′ AppIe $ 259 ・ Supertalke 「 $ 175 Romplus with filte 「 $ 149 Romwriter ・ INT 日〇 L X/IO System $ 259 TERMS OF SALE: Master Charge 0 「 Visa add 3 % service cha 「 ge tO pu ℃ hase p 「 ice. NO COD'S. AIIOW 3 weeks fO 「 personal checks tO C a 「 . Orders under $ 50. , add $ 2.8 fO 「 shipping and handling costs. AII othe 「 orde 「 s (unless specified in (d) that are within 50 わ s. limit Of U. P. S. will be shipped, no charge Shipments ove 「 50 わ s. in weight 0 「 out 0f ContinentaI U. S. shipped freight collect. AII prices a 「 e subject tO change and all Offers subject tO with- drawal without notice CalifO 「 nia residents add 6 % 0 「 6.5 % if serviced by BART 800 line 「 esolution monitor with Green Phosphoric Screen for pleasant viewing. Perfect for new 80 by 24 Video Boards LEEDEX 12 ” B & W $ 153 APPLE Accessories $ 179 ・ Novation CAT Modem ・ Apple ClockCard 249 ・ ABT Key Pad 115 ・ ALF Music Ca 「 d 239 C Hayes Micromodem Ⅱ 345 ・ Speech Lab Disk Software 189 ・ VisiCalc 120 CA Data Management 85 ・ Desk Top Plan 85 DATA SUPPLIES $ 27 ' ' ' ' Memo 「 ex Diskettes 0, 10, 0 「 16 Sector ー Boxof 10 ・ 8 ' ' Memo 「 ex diskettes $ 32 00 「 32 Sector ー Boxof 10 ・ 3 「 ing Diskette Sleves (IO) $ 6.95 Each holds ( 2 ) 5 " " diskettes List—$1195.00 FUTRA P ⅱ ce ー $ 939.95 (ship. included) Disk Ⅱ with controller Disk Ⅱ 2nd drive G raph ics Tablet Language System with PASCAL Parallel Printerlnt. card H. S. SeriaIInt. card Centronics Printerlnt. card Communication 旧 t. card lnterge 「 BAS ℃ Firmware Card MICROMATION S -100 BOARDS ・乙 64 Board (list $ 1295 ) $ 1099 4Mhz Z80 CPU with 64K ・ VlO-F8 (list $ 495 ) 439 80 x 24 Memory Mapped Video with SeriaI & ParaIIeII/O ・ DS-F8 (list $ 495 ) 429 DoubIe density cont 「 0Ⅱe「 ・ MD ControlIer(list $ 895 ) 769 FO 「 shugart SA4004-8 ・ Multi/User I/O (list $ 295 ) 249 4 Serial, 2 parallel, ClOCk $ 498.00 449.00 679.00 397.00 149.00 159.00 179.00 179.00 155.00 CIRCLE INQUIRY NO. 73 INTERFACE AGE 133 OCTOBER 7 980

8. Interface Age 1980年10月号

AC power conditioners, W-model voltec- tors, remove electrical disturbances from the power line tO protect micro/minicompu- ters, word processors and Other sensitive electronic equipment from noisy and un- stable AC power. The power conditioners reduce excessively high voltage surges tO safe levels. They 引 SO remove IOW voltage transients and noise spectra that Often cause computer e 「「 0 「 S , data and program IOSS. They are effective in bOth common mode (line-to-ground) and transverse, 0 「 dif- ferential mode (line-to-line) forms Of inter- number and amount Of unused sectors on diskette; determine active drive 0 「 change active drive; ℃ atalog' gives name Of file length expressed as number Of sectors, file type, and for binary files - stored load ad- dress and length expressed as bytes - either decimal 0 「 hexadecimal. Copyrom, a 2K 日 OM provides access fO 「 frequently used programs. Mountain Computer c. , 300 Harvey W. BIvd. , Santa Cruz, CA 95060 , ( 408 ) 429-8600. CIRCLE INQUIRY NO. 151 S ・ 100 compatible DAC card offers 64 out- put channels from a single multiplexed 8-bit DAC. The system's processor accesses each channelindividually without preliminary set-up sequences. Features include: C-10 VO は range, 5-bit nonlinearity; 9-bit bus com- parator fO 「 address decoding; 8 microsecond refresh cycles; low-cost high-density. The MOdeI SB64-R is $ 539. Digital Multi-Media Control, 1 210 E. Pine St. , Stayton, 0 日 97405 , ( 503 ) 769-2735. CIRCLE INQUIRY NO. 152 冫 / APPLE SPECIALS A - ー 00 Now is the time to save $ $ $ $ on AII Apple Computer Products. AppIe Ⅱ Plus Computer with 48K Memory Upgrade, Apple Disk Ⅱ Drive with Controller, lnteger Basic Firmware Card, and RF Modu- tor. Reg. Price. . $ 2320.00 . $ 1820.00 Sale Price ・ Price lncludes 24 Hour Burn ・ ROM & RAM Test ・ ONE YEAR Guarantee on A-ViddMemory Optional one year extended warranty now available on all Apple products. H ・一 d 響・ SpeciaIs R ・ S ・ Apple Graphics Tablet $ 795. $ 695. Apple Disk Ⅱ w/ controller $ 595. $ 495. Apple Disk Ⅱ W/O controller $ 495. OO $ 445.00 Apple Basic Firmware Cards $ 2 . OO $ 150. Apple Language $ 495.00 $ 382. OO System AppIe Disk Utility Pack (DOS 3.2 ) $ 25. $ 15. 90 w ・ Specials The Welch Check Register $ 35. OO $ 29.95 ScelbiIntroduction to Lores Graphics $ 24.95 $ 19.95 N ・響 So w ・ Scott Adams Adventure Programs VoIumes 1-9 Buy 3 Get One Free! $ 14.95 Hires Adventure # 1 $ 24.95 BiII Budge 'Head On' $ 24.95 lmmediate delivery. Phone and mail orders accepted. We ship worldwide ( F. 0. B. Long Beach). 2210 Bellflower Boulevard Long Beach, CA 90815 ( 213 ) 598-0444 ( 714 ) 821 ・ 0870 Three blocks South of the San Diego Freeway in the LOS AltOS Center. Mon - Thurs 8:3()AM-5:3()PM Hours: Fri 8:30AM-9:()()PM Saturday VISA TerminaI dust 00 e 「 s are designed to p 「 0- ference, smoothing out the 60Hz waveform tect CRT terminals, printers and keyboards tO a relatively clean sine wave. lnternally from dust and dirt. They are made of heavy fused, the conditioners, equipped with. an gauge clear plastic that will protect against on/off switch and a green pilot light, are con- water damage during a fire. The are tained in a lightweight housing. Pilgrim Elec- tric CO. , 29 Cain Dr. , Plainview, NY 11803 , ( 51 6 ) 420-8989. CIRCLE INQUIRY NO. 149 へ 9 第第を」 SingIe board microcomputer, the 9600A MPU module, is a complete MC6802-based microcomputer on a single card. The unit iS supported by a family Of modules for memory and レ 0 expansion and is bus and outline compatible with the MOtO 「 0 Exor- Ciser and Micromodules. Some features in- clude: 1 152 bytes Of static RAM, 2048 bytes Of Eprom, expandable tO 6144 bytes; custom made tO fit a specific model of com- puter CRT, keyboard or printer. Prices: CRT (including keyboard): $ 9.95 , keyboard only: $ 8.95 ; printer: $ 9.95. Computer Acces- sories CO. , 20 Boat Lane, Port Washington, NY 1 1050 , ( 516 ) 767-0366. CIRCLE INQUIRY NO. 153 Si れ 9 厄・ boa 「 d computer includes an ex- pandable レ 0 feature Of major interest tO system designers. The InteliSBC 80 / 1 OB in- cludes specification improvements over the / 1 OA version.ln addition, the on-board CPU bus has been extended tO receive an entire- Ⅳ new family Of iSBX MultimoduIe plug-in boards tO add incremental functionality. The modelis expandable to Eprom, RAM and レ 0 design needs for a built-in adaptability. A full duplex RS232C seriaII/O channel, ex- pandable tO tWO channels; address and data bus fully buffered for external expansion; resident system monitor provides debug assistance; power failure protect/restart Cir- cuit; and break-detect circuit tO generate reset 0 「 interrupt. Price is $ 595. Creative Micro Systems, 1 1642-8 Knott Ave. , Garden Grove, CA 92641 , ( 714 ) 898-9669 CIRCLE INQUIRY NO. 150 - Ⅶ 00 ・一 0 れ iCS 00. Catalog programs ⅲ ROM fo 「 the Apple Ⅱ are designed tO be installed on Mountain Computer's card and expands the capability Of the AppIe tO include special copy p 「 0- grams and catalog information. A few Of the commands include: identify disk volume master charge CIRCLE INQUIRY NO. 65 育 6 INTERFACE AGE OCTOBER プ 980

9. Interface Age 1980年10月号

①群 am Y ①①館 e C tO 瓢 ... T 血 e.. Rate.. 諷Ⅱ / by Fred BIechman げ you own a microcomputer, you com- municate with the world by just adding a $ 3 relay. Sound far-fetched? This Basic program, written for the Radi0 Shack TRS-80 Level but adaptable to Other micros, will hO 旧 up tO 500 names and telephone numbers in a 16K RAM memory (about 40 names even with only a 4K memory). は can so be used tO call the same number over and over. When you type in the name of the party you wish tO call, the computer sequentially searches in memory fO 「 a match. When it's located, the screen displays the name and phone number, in- cluding area code, then pulse-dials the number, displaying each digit as it "dials. ' You can command a totallisting on the screen, 0 「 manually dial from the keyboard, or redial the last number dialed, with a single key (plus ・ enter'). During the call, an on-screen elapsed timer tells you the number Of minutes charged and how many seconds remain for the next additional charge. At the end Of the call, you can enter the rates fo 「 that particular call (varying with distance and time Of day) and the computer calculates and displays the tOtal charge, and asks for the next command. Screen prompts make the program easy to use, and no knowledge Of programming is required if

10. Interface Age 1980年10月号

Hardware EvaIuation: Get On the "Band ” Wago れ A Review Of Mic 「 0 PeripheraIs' Mini-Floppy Disk 0 「ⅳ e by Roger H. EdeIson While not exactly brand new,l have just tried one of pansion spring, it found that a fixed value Of pretcnsion MPl's family of 5%-inch floppy disk drives. AII its produced superior results when the drives were sub- drives, ranging from 250K bytes tO 1 megabyte, use a jected tO a range Of operating temperatures. unique approach tO the conversion from stepper-motor The use Of a drive pulley with a firmly attached band allows the rotational movement Of the stepper motor tO rotary output tO the linear movement required by the be converted directly intO linear head motion through head positioning transport. lnstead Of rotary lead- the mechanism Of the drive pulley radius. The equation screw, or cam and cam-follower approaches, MPl uses expressing this relationship is: a patented pulley-band technique much like that used tO convert rotary tuning knob motion tO linear move- d = ( a / 360 ) x れ x2 日 ment Of a slide イ ule dial on many tuners. MPI has improved on floppy dial-cord design by utiliz- ing a flexible metal band with one-half slotted tO let the other, thinner, half pass through. The band center is secured tO the drive pulley and each end is connected tO the head positioning block (figure 1 ). 旧 order to avoid band slackness and the attendant backlash, both sides are pretensioned during assembly and attached to the head positioning block. While the MPI patent covers a method using either a compression or an ex- 50 INTERFACE AGE where d = linear displacement a = rotational movement in degrees 日 =drive pulley radius Therefore, with a pulley radius of 0.3316 inch, the nominal 3.6 。 rotation Of the stepper-motor translates tO a head movement Of 0.20803 inch (equivalent to 48 TPI). As can be seen by this simple equation, the only factors affecting accuracy Of the head position are the OCTOBER プ 980