“Resources” lists new products and services for Sinclair and Timex/Sinclair users. Suppliers and users are invited to send brief, informative, objective descriptions of products and services along with details for ordering to: Resources, SYNC, 39 E. Hanover Ave., Morris Plains, NJ 07950.
All programs in this listing require the 8K ROM and 16K RAM unless otherwise noted. “CC”indicates cassette format. When a supplier has more than one product listed, the name and address follow the last product.
User Groups
Florida
South Florida Users Group
c/o Bob Pearsall
[address omitted]
Lakewood, FL 33463
Newsletter: $10/12 issues.
Oklahoma
Timex Sinclair User Group
Billy Casebeer, Pres.
PO Box 372
Oologah, OK 74053
Rhode Island
Ocean State T/S User Group
c/o Bob Dyl
[address omitted]
Newport, RI 02840
[phone number omitted]
Texas
San Antonio Timex/Sinclair User Group
Jim Houston
[address omitted]
San Antonio, TX 78212
[phone number omitted]
User Group Name/Address Changes
Maryland
Capitol Area Timex/Sinclair Users Group
PO Box 725
Bladensburg, MD 20710
Formerly Prince George’s SUG.
Missouri
Timex/Sinclair Users Group of Kansas City
c/o Carl E. Mutch, Pres.
[address omitted]
Kansas City, MO 64151
[phone number omitted]. Formerly Computer Users Group TS1000 & ZX80/81.
New York
Address change:
Sinclair Computer User’s Society (SINCUS)
PO Box 36
Johnson City, NY 13790
User Group Forming
Pennsylvania
Philadelphia area:
Mark F. Miller
[address omitted]
Philadelphia, PA 19115
[phone number omitted]. Please send SASE.
Topical
Archaelogy special interest group. Write in English, French, Spanish, or German. Worldwide.
Archaeological ZX Users Group
c/o Robin Smith
[address omitted]
Toronto, Ont
Canada M4Y-1R5
Forth Interest Group
PO Box 1105
San Carlos, CA 94070, Annual dues: $15 (U.S.); $27 (foreign). Includes subscription to Forth Dimensions (bi-monthly).
Publications
“What Every Computer User Should Know about Static Control,” 8-page brochure on nature and cause of electrostatic charges and treatment for static-proofing virtually every surface and object in the computer workplace. For a copy, write: ACL Inc., 1960 E. Devon Ave., Elk Grove Village, IL 60007. (312) 981-9212.
RB Forum. Monthly newsletter published by RB Robot Corp. Free to owners of RB5X Intelligent Robot; other subscriptions: $15/yr. prepaid. RB Robot Corp., 18301 W. 10th Ave., Suite 310, Golden, CO 80401. (303) 279-5525.
AAMI Journal. Published by American Association of Microcomputer Investors, Inc. Included in membership dues of $49. to provide information on how to use computers to do better in investing. Other membership benefits: comprehensive directory of investment software, free computer programs, discounts on investment software, study guides and disks. Write: American Association of Microcomputer Investors, PO Box 1384, Princeton, NJ 08542. (609) 921-6494.
Books
McGraw-Hill Dictionary of Scientific and Technical Terms. 1,846 pp. $70. Covers every major field of science, engineering, and technology. Reflects current usage and specialized terminology in 100 different disciplines. McGraw-Hill Book Co., 1221 Ave. of the Americas, New York, NY 10020. (212) 997-3493.
GOSUBS: 100 Program-Building Subroutines in Timex/Sinclair Basic. By Ewin Gaby and Shirley Gaby. $9.95. 176 pp. Designed to provide both novice and experienced programmers with building blocks for constructing, modifying, and refining programs on the ZX81, TS1000, TS1500, and, with very few exceptions, the Spectrum and TS2068. McGraw-Hill Book Co., 1221 Ave. of the Americas, New York, NY 10020. (212) 997-2486.
Creative Computing Press (U.K.)
3 new books for the ZX81 and TS1000 from Creative Computing Press available directly from the publisher in U.K.: The Best of SYNC (£6), 50 Programs for the TS1000 (£5.50), and The TS1000 Ideabook (£6). Limited quantities of Computers for Kids: Sinclair Edition (£4.25) also available. Add £1 for postage and packing in U.K.; £2 to all other countries. Hazel Gordon, 10 Bishops Way, Sutton Coldfield, West Midlands B74 4XU, U.K.
Programming Aids
Complete Software Library. Extensions to Basic, Program Name Reader, Multiple Programs in Memory, Tape Unlocker, Secret ROM Tape Routine, Etchsketch, Character Set Bandana, Surprise!, Beep Routine, Lower Case for Printer, Phaser Sound Effect, Super Function Plot, 16K Two Pass Assembler, Hires Printer Routine. Also Unusual Display, Program Name Reader Relocation Program, Oscilloscope with Fantastic Graphics, 16K text editor with full print formatting, 1K text editor, 3 great real-time games, Sines, Flower, Beep Relocation Routine, Unusual User, Keyboard Learning Game, Self List, Poster Maker Program, Multiple Programs in Memory Relocation Routine, 3D Plane. 1K to 16K RAM. On TDK tape or equivalent. Poster at half price with this package. CC: $24.95.
John Richard Coffey, PO Box 448, Scottsburg, IN 47170.
Basic Basic. Learn to write your own computer games; screen display, keyboard input, moving graphics, loops, editing, and other programming techniques. Program tape, workbook, and blank tape: $17.95; Visa/MC. 2-Bit Software, PO Box 2036, Del Mar, CA 92014. (619) 481-3242.
Tape Unlocker. 1K machine code program to end your worries about not having backup tapes. Break through the program; list and save or print it. Listing: $1 plus SASE.
Super Save/Load. 4 features: SAVEs and LOADs machine code above RAMTOP; SAVEs and LOADs data; reads the name of the program on tape; makes copies of almost any tape program. MC. People who have bought Multiple Programs in Memory will be able to use this to save all the programs in memory. CC: $4.95.
John Richard Coffey, PO Box 448, Scottsburg, IN 47170.
RPNZL Programming System. Occupies lower portion of the 16K RAM pack; leaves enough room for equivalent of 12K Basic program in only 6K RAM; typically 15 times faster than Basic. Full screen text editor suitable for word processing and a compiler permit structured, symbolic code in a Forth-like, stack oriented syntax. Accesses dozens of program, data, and text files per tape. CC and manual: $29.95. See applications elsewhere in this column. The Golden Stair, 141A Dore St., San Francisco, CA 94103. (415) 552-1415. $1.50 s&h per order.
Word Processors
Word Sinc II. Word processor featuring: 42 characters per line: lower case letters (unshifted); auto repeat on all keys; full screen editing; automatic up and down scrolling; block move; search; replace; delete; tab; 20 special characters; and more. Room for 8000 characters in 16K RAM; expandable to larger RAMs. CC with manual: $20. P. Hargrave, Site V RR 4, Nanimo, BC, Canada V9R 5X9. Exclusive U.S. Distributor: Gesang Associates, PO Box 452, Randallstown, MD 21133.
Text Processor. Write, read, edit, print, save, and clear text. 2000 word capacity. Edit in full or split screen mode. CC and instructions: $12.50. A. Rodriguez, 1605 Pennsylvania Ave., Miami Beach, FL 33139.
Electronics Programs
Electronic Programs for the Hobbyist. Programs cover Ohms law, op-amps, bipolar power supply design. Menu driven. Looped programs. $9.95; $1 s&h (money order). Rob Wells, 3090 Meadowgreen Way, West Jordon, UT 84084.
Tax Programs
Fed-Tax Software System. System has 3 separate programs: 1040 Long Form, 1040A Short Form-1040EZ Easy Form, and Schedules A & B. CC and documentation. Each program: $10.95 plus $1 s&h. Toco Technology, PO Box 98, Santa Claus, IN 47579.
Math/Science
Easy Math. Does math directly; type in problem or formula and press ENTER; answer appears on screen. 10 single letter variables available for problems like (4+D)/TAN A. Each can be an equation itself so systems of equations can be run with a single keystroke. Produces columnar output on printer with headings, subtotals, and totals. Demo program included. CC: $9.95. Simulsion, Box 894, Lemon Grove, CA 92045.
Math by Numbers. Arithmetic tutorial for grades 3-5. Randomly generated problems in addition, subtraction, multiplication, and division of multidigit numbers. Enter answer one digit at a time just as on paper; allows for carrying, borrowing, and remainders. Separate score for each type of problem; extra practice for weakest area. CC and instructions: $12.95 pp. Charles J. Bonner, PO Box 9179, Norfolk, VA 23505.
Cubic/quadratic Solution. Solution to the cubic and quadratic equation for real coefficients. $1 plus large SASE. Igor Alexeff, E.E. Dept., University of Tennessee, Knoxville, TN 37916.
Equation Solver. Displays each step in the solution of mathematical equations. Works on any level of mathematical proficiency. Also solves unknowns. CC: $8.95 pp. Robert Martin, 15950, Fountain Valley, CA 92708.
Lab Program I. Computes CODs, BODs, MLSS/MLVSS/SVI, Total Suspended Solids, Total Solids; will run 20 samples in each category, except TSS which runs 34. Formats data in tabular form.
Lab Program II. 2 interactive parts: 1) COD; 2) BOD/COD Correlation. With user input factors will compute COD, estimated BOD, Sample sizes for BOD analysis, Expected High and Low BOD range; includes HELP screens. Auto load feature carries results from one part to another. Formats data in tabular form.
Menu driven programs. $24.95 each. SASE for information. Labsoft, 1707 King St., Jacksonville, FL 32204.
Financial Programs
Checks + Balances. Up to 60 data files for storing your checking transactions. Automatic number of checks (according to your present system); plenty of room for descriptive info; automatic deposit mode; review by number or payee’s name; auto-save mode saves data. CC: $8.50 plus $1.50 s&h. Computer-Wear Software, PO Box 1059, Dept. 1D, Riverdale, NY 10471.
IRA Organizer. Maintain a complete permanent record of all your IRA transactions (dates, deposits, withdrawals, interest). Subtotals and account balance computed. Menu: enter data, display all data, correction, display account summary, display specific transaction, save to tape, copy to printer. CC and documentation: $16.50. John B. Carson, 11200 Lockwood Dr., Silver Spring, MD 20901.
Loan Amortization. Shows break-down between principal and interest on loan payments; use any payment plan; give any 3 of 4 factors and the program calculates the fourth. Listing: $8; CC: $15.
Tax Return Organizer. Written by an accountant; helps organize tax records for individuals. CC: $15.
WMJ Data Systems, 4 Butterfly Dr., Hauppauge, NY 11788.
Rapid Finance. 19 user established categories; up to 500 entries made by date, category, amount, optional comments. Numerical totals maintained for each category. Entries may be searched. Much MC. Info on request. CC: $10.95. Russell Brewer, 26630 Mill Rd., Frazeysburg, OH 43822.
Utility Programs
Quickdrive. 17 MC graphic and utility routines to incorporate into your programs; listable; explained; Basic demo. Includes: CLS/Screen-fill, Inverse, Border, Input Check, Graph 1 & 2, Scroll (4 directions), and more. CC and manual: $12.95. Micro-load, PO Box 1095, Truth or Consequences, NM 87901.
Educational Programs
Writing. Input a 100 word sample of text and the program will determine the educational grade level required to understand it. An analysis of your text will also be prepared. CC: $8.95. UAS, PO Box 612, Haddonfield, NJ 08033.
Math Quiz. Asks questions on grades 1-6 level. 7 levels. CC: $9.95 pp. Andy Balderson, 3390 Dent Cres., Prince Albert, Sask., Canada S6V 7H3.
Bible Books. Drill and practice in recognizing New and Old Testament books, categorizing them by type (history, letters, etc.), spelling of the book names, arranging them in order. $5. Abbreviated 2K drills: $3.
Ten Commandments. Drill and practice in completing key words in the Ten Commandments and in recognizing the sequence. Available in KJV, RSV, GNB. $5.
Prodigal Son. 2 programs: 1) Presents story in frames for student interaction; variety of questioning techniques. 2) Simulation program for students to reenact the decisions made by the younger son as he leaves his father, travels, squanders his money, nearly starves, and then returns in shame to receive his father’s forgiveness. Ages 11 up. Both programs included: $10.
Marydel Frohne, St. John United Church of Christ, 601 N. Highway 83, Bensenville, IL 60106.
Spelling Program (2K RAM). Drills user in self-entered words. Fully adjustable word lengths, number of words, length of time to study words, etc. Ideal for small children. Prompts. Documentation and modification instructions. In Basic. Listing: $1.50 plus SASE. John Osborne, Box 579, Oakwood, IL 61858.
Home Programs
Auto Diagnostic. Select your problem areas and the computer will perform a decision tree analysis to pinpoint your trouble spots. Many remedies require only simple adjustments. Save on costly auto repair bills. CC: $9.95. UAS, PO Box 612, Haddonfield, NJ 08033.
The Organizer. Inventory program. Allows manipulation of items through add, alter, destroy, start from scratch.
The File Developer. Allows storage of 100 files spread over 4 parts.
For more information write: E and S Software, PO Box 196, Budd Lake, NJ 07828.
Insulator. Figure gains on home energy improvements; determine whether savings justify cost. Listing: $2 and SASE; CC: $10 plus $.60 s&h.
Biorhythms. Calculate physical, mental, and emotional cycles for any given day or 3 week period. Listing: $2 and SASE; CC: $10 plus $.60 s&h.
MAH Software, 341 W. Eagle Lake Dr. Maple Grove, MN 55369. SASE for catalog.
Astro-Data. File system with options of the 12 signs of the Zodiac to give information on your character, destiny, future career, and more. CC: $10.50 (Canadian; no personal checks or credit cards). J. Brunet, 857 St-Honore St., Quebec City, Que., Canada G1J 2W2.
Schedule. Enter appointments and short memos in any order; retrieve them by day, week, month, or year. Holds at least 75 items; up to 250. CC: $7.95.
Chartmak. Six modes of operation for line, bar, and pie charts. CC: $9.95.
The Golden Stair, 141A Dore St., San Francisco, CA 94103. (415) 552-1415. $1.50 s&h per order. RPNZL application programs.
Flying Programs
Flight Planner. For pilots. Plans entire cross country flight; true courses, wind correction, true air speed, groundspeed, etc. are all calculated. Maintains data base of airport/VOR locations; will generate checkpoints with enroute VORs. CC and manual: $10 pp. Joe Smiley, 8A Anthony Cir., Newark, DE 19702.
Amateur Radio
Ham Helper Series. Programs for the Ham “Shack” from data files to QSL printing. In Basic; easy modification. SASE for details. Kraig D. Pritts, Box 196, Leonardsville, NY 13364.
Beam Heading. Calculate bearing, miles, and kilometers from user’s city to any location in the world. Prints world grid centered on user’s city.
Log Book. Provisions for input of all log data, recall from memory by call sign or QTH. Printout can be used for QSL card (QSL format).
DXCC. Keeps all ARRL countries data. View, print, and revise records; printout of countries worked, confirmed, or needed. Single or all band.
WAS. Same as DXCC but for states.
Dupe Sheet. Checks for duplicate contacts before they are called. Keeps contact number displayed for contest use. Prints calls for records.
Antenna Design. Design your own cubical quad, yagi beam or inverted Vee antenna for ham or CB radio. Saves hours of research.
Each program on CC: $5.95 ea. pp. Kentronics, PO Box 586, Vernon, AL 35592.
Ham-Hacker Series. Morse Code (16K)/2K code. Code practice with built in audio tone. By Gary Fox KC9MR. $14.95. Minimuf 3.5. Maximum usable frequency radio propagation program. For DXers. By Sandy Blaize W5TVW. $17.95. CE Amp. Common emitter amp. Design/test program from Syncware. By Fred Nachbaur. $19.95. Hawg Wild Software, PO Box 7668, Little Rock, AR 72217.
Food Programs
Microkjeldahl Protein, Determination (S 030). Calculates total nitrogen (dry basis) in MG/100G and percent protein (dry or wet basis) for up to 50 items. Program protected by 4 sets of account numbers and passwords. Menu driven.
Moisture-Oven Method (S 031). Helps with tedious computation of moisture content of food and agricultural materials. Accepts raw data from which a table of moisture contents is printed. Up to 50 items.
Program listings: $4 pp. ea.; CC: $7 pp. ea. Ako Tech, Dept. SL2, 1613 Dayton Rd., West Hyattsville, MD 20783.
Graphics
Turtlart. Uses one letter commands; direct the turtle to draw just about any figure desired. Sequences of up to 255 steps can be programmed. RPNZL Application. CC: $9.95 plus $1.50 s&h. The Golden Stair, 141A Dore St., San Francisco, CA 94103. (415) 552-1415. $1.50 s&h per order.
SW Hi Res. High resolution graphics on your TV; software only; no hardware changes needed. Accesses 256 x 174 pixels. Define your own symbols. Includes 10 utilities. CC and instructions: $15. Add $5 for COPY utility; prints Hi Res on TS2040. N. Elmaleh, 5100 Highbridge St., 53D, Fayetteville, NY 13066.
Miscellaneous
Computer Stand Module. Build a tabletop computer stand module to hold a ZX81 or TS1000 computer with 16K RAM pack firmly in place, a ZX printer, provision for storing up to 9 tapes with title edge clearly visible. Inexpensive to build with simple tools. Plans and instructions: $2. W. G. Squiers, 28 West St., Fairfield, ME 04937.
Demo Sales Program. For all qualifying TS1000 retailers. Program designed by an advertising director to help you sell more Timex products. For details on you can own this $40 program, write: Computer-Wear Software, PO Box 1059, Dept. 1D, Riverdale, NY 10471.
Computer Poster (2K RAM). 22 foot by 4 inch computer poster. Very abstract; great conversation starter. Poster and fully documented poster program: $5.95; program alone: $1 plus SASE. John Richard Coffey, PO Box 448, Scottsburg, IN 47170.
Services
Cassette and disk duplication. Write for details. Compdisk, 6224 Oakton St., Morton Grove, IL 60053.
Games
Golf Handicapper. Compute, save, and update golf stroke handicaps for up to 48 players. Menu: add players, update player handicap, list handicap and scores for a given player, list all players and handicaps, save onto tape, copy to printer, delete player. Handicaps computed according to USGA guidelines for 18 hole courses. CC and documentation: $20. John B. Carson, 11200 Lockwood Dr., Silver Spring, MD 20901.
Pro Golf. 18 holes with all the hazards of real golf; sand traps, rough, and 12 clubs to keep you on the fairway; different every time you play.
ZX81 Football. Try your luck against the ZX81 or another player; all the features of professional football; 42 different plays.
Statistics. Keep up-to-date statistics on your favorite team and players. Predict scores of upcoming games with amazing accuracy. Programs for baseball, hockey, football, and soccer. Specify which game you want.
Each game on CC: $10.95; all three for $21.90. Certified check or money order. R. D. Brennan, 122 The Heights Dr., Don Mills, Ont., Canada M3C 1Y3.
4-2K Adventures (2K RAM). Tank Track (supreme strategy); 3D caves (can you get out?); City Skipper (arcade action); Zephus Lair (arcade adventure). CC and catalog: $10. Adventure Club, 2016 Woodhillcrest Rd., Mobile, AL 36609.
18 Hole Golf Game. Each course, ball, and hole are printed. Shows hole number, shot number, and current score of player. Courses get progressively harder.
Elevator Man. Your job is to operate an elevator in a large hotel. If you do not get to each floor quickly enough and get the people into the elevator, they will fall out the hotel windows.
Phantom Bombs. Bombs coming from another world are trying to blow up the defense shield of your planet. You must stop the bombs by using a large beam which disintegrates them instantly.
Air and Sea Attack. Planes and ships are heading in on the attack. You must stop them with missiles before they arrive. You can control the missiles after they are fired.
Any 2 programs for $10; all 4 for $15 pp. Original Software, 605 Applehill, Rochester, MI 48064.
2K Game Pack (2K RAM). Key Game, Quick Lander, I Got a Bad Feeling ’bout This, Etchsketch, Sines. 5 2K Basic listings: $1 plus SASE.
cen-TIC-pede. MC action; high scores; multiple levels; extra large characters. CC: $4.95.
John Richard Coffey, PO Box 448, Scottsburg, IN 47170.
ZX/TS Black Box. 4 or more points are hidden on a grid; locate them by sending imaginary beams at them and analyzing the results. Challenges your thinking powers. One to four players can play against each other. Main algorithm and other routines in MC. $10.95 plus $1.50 s&h U.S. currency. Aldebaran Alpha, Box 776, R1, Hudson, PQ, Canada J0P 1H0.
The Assassin. The monarchs of the land are being assassinated and the terrorized king has hired you (the Assassin) to eliminate the source of distress. Graphic fantasy; offers perplexing riddles during real time playing; requires strategy.
Orgs & Ogres. You are in a party of 10 fighters out to find the gold or kill the dragon. You encounter other monsters: orges, ogres, kobolds. You must choose whether to fight the monster or run. To win you must get 1000 gold pieces or slay the dragon.
The Dark Empire. You are commander—in-chief of the rebel nobles on the planet Rion. Can you liberate your forces from your stronghold and overthrow the tyrant Pyrinx? If you can free Rion, can you help free the Milky Way from the insidious clutches of the Dark Empire?
CC: $12.95 each. JPR Software, PO Box 4155, Winter Park, FL 32793. (305) 646-9125.
Wizard’s Castle. Fight monsters, hunt treasures, solve problems, defeat the evil wizard. 3D graphics. Randomly created multi-level dungeon with over two dozen different types of monsters, treasures, traps, and special items. All MC. $12.95 pp. David Spellman, PO Box 2300, Provo, UT 84603.
Hiding. You are an American sub commander searching for a Russian sub hiding in American waters. Mixture of graphics and text which acts as documentation. Hard game of skill and luck. For information write: E and S Software, PO Box 196, Budd Lake, NJ 07828.
Gridlock (2K). Four games: Tow Truck: Tell the driver where to find your stalled car. Foggy Sea: Cartesian coordinates help you rescue a missing ship. Robot: Program the robot arms to repack two cartons in the smallest number of moves. Easy Plot: Displays plot of equations for Y as a function of X.
Snake Eyes (2K). Odds On: See just how random the random number generator really is. Roulette: Place your bets; you can win this two-player game by chance. Loaded Dice: The “house” has fixed this game; figure out how. Blackjack: Figure the changing odds to beat the computer (dealer) at 21.
CC: $14.95 each. 2-Bit Software, PO Box 2036, Del Mar, CA 92014. (619) 481-3242. Visa/MC.
Mountain Raider. Your mission is to patrol the mountainous regions of Phelld for the demonic craft of the Cyborg. Suddenly one swoops down out of the sky. Will it fire on you or is it playing chicken? Do not waste your fire power, but, if the demon hits you, you will walk home. Programmable joystick. CC: $5.95.
The Desperate Herd. Herd roams a hot, torrid plain, grazing on the patchy bush, always seeking more until they find it or starve. They reproduce only if they get something to eat, but the herd’s gluttony leads to a population explosion and famine. You control metabolism, energy requirements, growth, and food value of the vegetation. CC: $14.95.
Meteor Storm. Fast, arcade-style animation. Challenge yourself to command your craft through a storm of interstellar debris. Skills as pilot and gunner stretched to limit. CC: $7.95.
The Golden Stair, 141A Dore St., San Francisco, CA 94103. (415) 552-1415. RPNZL applications. $1.50 s&h per order.
3D Black Star. Explosions mushroom around you; the rear scanner shows pursuing craft. Increase speed and fire; dodge from side to side of the narrow corridor. Fast 3D graphics. Warp drive. Full instrument display. By. M. Sudworth.
Damper. A grid runner is needed to shut down the power grid of the city as the space leaches attack. A cable cycle is provided; the rest is up to you. Glooper. A-maze-ing. By P. Crane.
Pioneer Trail. Western adventure based on historical data; 20 levels of play; mind game plus shooting. Rifle speed uses all keys and is measured against the player’s personal average response. By Marion Stubbs.
Munchees. Beware of the Munchees. A board creaks in the time lost corridors. A ghostly presence, a rush of wind, a forgotten echo whispering around the house and a following chuckle of ghosts. By A. Laird.
Croaka Crawla. It is not easy being a frog—what with the trucks and logs, crocodiles and turtles. The continual battle for survival. By John Field.
CC: $14.95 each; $2 s&h per order. Quicksilva, 426 W. Nakoma, San Antonio, TX 78216. (512) 340-3684.
New software line for the ZX/TS computers: Blackjack: $12.95; Tic-Tac-Toe: $9.95; Word Scramble: $9.95. Free 28 page catalog describes the line. Dynacomp, Inc., 1427 Monroe Ave., Rochester, NY 14618. (716) 442-8960.
ZX81 Games Pack. 7 games: 1K: 3-D Battle; City Bomb. 16K: Warp Wars, Snake, Sweet Tooth, Black Holes, Slalom.
Battleships
Alien Attack
JRS Software, 19 Wayside Ave., Worthing, U.K. BN13 3JU.
TS2068 software
Multiple Programs in Memory, Text Editor and Formatter, Three Great Real Time Games, Keyboard Learning Game, Etchsketch, Tape Unlocker, Touch-type Learning Game. CC: $9.95. Substitutions may be made for individual programs. John Richard Coffey, PO Box 448, Scottsburg, IN 47170.
Boards/Interfaces
FDZX1 Interface Board. Buffered access to address, data, and control buses; 6 decoded device codes (expandable to 18). Can be used in automated measurement, data acquisition, and instrument control. School, laboratory, home, industry applications. Series of science experiments to incorporate computers into science courses. Kit: $69.95; assembled: $99.95; $2 s&h. Visa/MC. Group Technology, PO Box 87, Check, VA 24072. (703) 651-3153.
I/O Experimenter Board. For Spectrum. Do I/O circuit design; 8-bit port; large prototyping area. Bare board with description and application information on how to build a multichannel sound generator. $29.95 (# 2401). Elcomp Publishing, 53 Redrock Ln., Pomona, CA 91766. (714) 623-8314.
ROMs, RAMs, EPROMs
Uvipac EPROM Eraser. Load EPROM into conductive foam pad and insert in unit; usually erases in 5-20 minutes; optical fiber on-indicator. $29.95; same unit with timer: $39.95. Airmail shipping: $10. Send 1 international reply coupon for information. Ground Control, Alfreda Ave., Hullbridge, Essex, U.K. SS5 6LT.
Instant Load Cartridges. Plug-in software cartridges running programs from a replaceable ROM (also available); load with no wait time; eliminates cassettes. Software now available includes arcade games, party games, finance, utilities, scientific, graphics, and more. Blank cartridge plus any software on ROM: $25; additional ROMs $15 each and plug into reuseable cartridge. SASE for free catalog. Rompak, 8206 Blackburn Ave., Los Angeles, CA 90048.
Disk Drives
Complete Floppy Disk System. Controller (FDC-100): Works with single and double density, single or double sided; supports 2 drives; 40 track double density drive provides 250K storage; new DOS commands integrated into Basic (no USR, PEEK, POKE used); compatible with wide range of Shugart drives. $199. Complete system Model FDS-101: Controller; cable for 2 drives; Shugart SA-200 Disk Drive; power supply; case for SA-200 with space for second drive. $499. Model FDS-102: Model FDS-101 with the 2nd drive and power supply. $760. $3.50 s&h. For further information write or call: Compusa Corp., 1101 Bristol Rd., Mountainside, NJ 07092. (201) 654-7220.
Display Aids
Video Reverser. Reverses entire screen display. Reduces eye strain; diminishes display distortion. Installed inside case (only 4 wires). Optional switch for switching between normal and reverse. Use all high speed devices for outstanding character definition. $14.95 plus $1 s&h. Sight and Sound Electronics, 1120 Bailey Hill Rd., Eugene, OR 97402.
Keyboards/Accessories
Contact Lens. Keyboard overlay; made of clear, soft, non-glare plastic with rectangular holes to accommodate even large fingers. Self-adhesive backing; stick to original membrane keyboard. $7.95. Warrent Imports Group, 81 Brookmill Blvd., Unit 80, Agincourt, Ont., Canada M1W 2L5.