Resources (Sync v2 n5)

The “Resources” column lists new products for Sinclair users. Suppliers and users are invited to send brief product descriptions and details for ordering to: Resources, SYNC, 39 E. Hanover Ave., Morris Plains, NJ 07950.

User Groups

• Kaiserslautern, Germany ZX81 Users Group. Just being started. Contact:

Tom White
HG 21st SUPCOM
ACSRM – IRD
APO NY 09325
Phone: [phone number omitted]

• The Sinclair Users Group of San Diego. For information contact:

Robert Jorgenson
[address omitted]
San Diego, CA 92154

User Groups Forming

• Any Portland, Oregon, area users interested in forming a group? Contact:

J. E. De Groot
[address omitted]
Portland, OR 97210

Business/Household Programs

• ZX Phone Book. Holds 720 names with edit functions of ADD, CHANGE, DELETE, and SAVE; search by name or category; can be used for other information. 16K RAM. Hard copy listing with thorough documentation: $4.95
• Sort-a ZX81. Collating tool; counts and files thousands of items in up to 29 categories on just 1K RAM; listing and notes show how to use your ZX81 as a home and office tool. Hard copy listing with thorough documentation: $4.95.

Thomas B. Woods
PO Box 64
Jefferson, NH 03583

• Data Storage and Display System. Stores up to 60 data points in a file, e.g., stock prices, profit-loss data, experimental data; allows file crunching for plotting; up to 25 files can be saved under user-defined titles; recalled in tabular or graph form; menu lists 9 jobs; expandable with additional cassettes. 8K ROM; 16K RAM. $14.75 plus $1.25 s&h.

ZX-Panding, Ltd.
PO Box 25
Newton, NC 28658

Educational Programs

• Vocab Builder for the ZX81. 60 words per cassette; 2 modes; definitions and quiz; for teens and adults. 16K RAM. $9.50.

Charles Bucher
132 E. Pasco Lane
Cocoa Beach, FL 32931

Games

• ZX81 Bomber. Drop bombs and two types of missiles on the enemy; graphics; points and percentage; full documentation and instructions. 8K ROM; 1K RAM. Program: $1.00 plus SASE. Cassette: $3 plus $1 s&h.

Rimas Buntinas
7440 N. Rockwell
Chicago, IL 60645

• Trader Jack. You are captain of your own trading vessel sailing the South Pacific; buy supplies; fight storms and volcanos; trade your cargo, hopefully for a profit. 8K ROM; 16K RAM. Also ZX81 Monopoly in Spanish, American, or British versions. Each game on cassette: $14.95.

Savage Software
PO Box 892
New Smyrna Beach, FL 32069

• Pick’em. Program to attempt to predict outcome of national football league games and even the point spread; accepts information available from most daily newspapers. 8K ROM; 16K RAM. Cassette: $9.95 plus $1.50 s&h.

Stuart Software
25381-G Alicia Pkwy., Suite 316
Laguna Hills, CA 92653

• Mad Dog Tank Blaster. Mammoth program with routines useful in your own programming. Wild tank moves through grid-like maze blasting all the way; your man must put a mine in its path without getting shot, run over, or blown up by the mine. Hard copy listings with thorough documentation to teach programming. 16K RAM. $6.95.

Thomas B. Woods
Box 64
Jefferson, NH 03583

• Arcade excitement on your 1K or 2K ZX81. All programs have moving graphics; sold as listings. Pickle Man: $2; Tempestuous Battle: $2; ICBM Barrage: $2; Monkey Barrels: $2; Defense Wave: $1.50; Evade: $1; Lander-X: $1.50. Add $0.30 s&h.

Panero Software
3309 Lewis Ave.
Long Beach, CA 90807

• Game Pack for the ZX81. Bomber (move the bomb sight over the target, very fast); Missile (destroy the missiles before they hit your spaceship); Auto 3-D (enter 4 numbers; ZX81 will draw tunnels and spirals and much more depending on numbers); Speed Draw (the ZX81 starts a line; control it by the right keys to produce all sorts of pictures). 8K ROM; 1K RAM. All four on one cassette: $5 plus $3 s&h.

Mark E. Rogers
553 Melrose Dr.
LaPlace, LA 70068

• 18 Hole Golf. Graphics display of each hole, moving ball, 3 types of hazards; 4 player capability; final score card display; 3 different courses. 8K ROM; 16K RAM. Cassette: $10.

R. Midura
19 Merrifield St.
Worcester, MA 01605

Graphics Programs

• Memopak High Resolution Graphics. Contains 2K EPROM monitor, holding full range of graphics subroutines called up by USR or machine code; gives 192 x 248 pixels. Video pages: each requires about 6.5K RAM; memory and bit mapped; can be located anywhere in available RAM. $149.95.

Memotech
7550 West Yale Ave., Suite 200
Denver, CO 80227

Catalogs/Directories/Product Lists

• Programs for the ZX81. Games, business, household, statistics, cards, aids, horse racing, and other general items. Free catalog.

UAS
PO Box 612
Haddonfield, NJ 08033

• Game, utility, household programs. 16K RAM/1K RAM. For details send SASE (postage $.40).

Gampper
Zollamtstrasse 52
675 Kaiserslautern
West Germany

• The Sinclair Computer Family Sourcebook. Lists over 500 programs, books, accessories from over 80 manufacturers. $4.95 plus $1.25 s&h (add 4% tax in Virginia).

Atlantic Computer Products
PO Box 936
Norfolk, VA 23501

• Howard Hein is compiling a directory of services and supplies for the Timex/Sinclair 1000. He invites readers to supply information on: hardware and software suppliers; hardware and software projects (including listings); user groups; newsletters; reviews in magazines and books; suppliers of training; shows and festivals. Submissions and comments to:

Howard Hein
33 Oak Lane
Mt. Lakes, NJ 07046

RAM Expansion

• Memopak 16K RAM. Accepts further memory units plugged in “piggy-back” fashion (Memopak 16K, Memopak 32K, or Sinclair 16K) and other add-on peripherals. $59.95.
• Memopak 32K RAM. Full 32K RAM directly addressable. Accepts Memopak 16K RAM as plug-in. $99.95.

Memotech
7550 West Yale Ave., Suite 200
Denver, CO 80227

Printers

• MW 100 Printer. Available now. Prints on plain paper roll, 1 3/4 inches wide; standard tape and ribbon obtainable at office equipment and electronics stores. For details:

Mindware, Inc.
70 Boston Post Rd.
Wayland, MA 01778
(617) 358-7175

Interfaces

• Memopak Centronics Parallel Printer Interface. Enables ZX81 to be used with a wide range of dot matrix and daisywheel printers. Resident software gives ASCII character set. $94.95.

Memotech
7550 West Yale Ave., Suite 200
Denver, CO 80227

• ZX99 Automatic Tape Control. Full software control of up to four tape decks (two for loading; two for saving) to mix and modify files; uses tape for data storage; automatic tape copy; diagnostic information for best recording; RS-232-C interface to connect to any such serial printer using standard ASCII; 2K ROM extends the ZX81 8K ROM and accessed by USR. $150.

Data-assette
H.S.W. & S., Inc.
52 South 3rd St.
Oxford, PA 19363
(215) 932-3626

Keyboards

• ZX80/1 Keyboard. Keytops finger shape molded; characters for the ZX keyboard printed in two colors on keytops as per your ZX80/1; repeat key; black plastic molded case available (can be purchased separately); 12-inch ribbon cable attached by 15 solder connections; full instructions. $75.

Data-assette
H.S.W. & S., Inc.
52 South 3rd St.
Oxford, PA 19363
(215) 932-3626

• 44 key tactile keyboard; plugs into ZX81 or Timex/Sinclair 1000; all graphics included; EDIT, DELETE, “, and FUNCTION do not require shift. $70 plus $4 s&h (add 4% tax for Massachusetts

E Z Key
Suite 75, 711 Southern Artery
Quincy, MA 02169

• Keyboard overlay. Gives tactile help in making keystroke entry; stops missed keys; speeds program entry; simple to install. $3.95.

P. Hargrave
Site V, R.R. 4
Nanaimo, B.C.
Canada V9R 5X9

• E-Z Key 44. Hear a click and feel a snap for every key pressed; 4 special keys have electronic control to eliminate need to use shift key (DELETE, EDIT, “, FUNCTION); accesses all graphics and functions; no wiring required; just plug it in; adaptable to ZX80 or MicroAce; schematic and instructions. $70 plus $4 s&h (add 4% tax for Massachusetts.

E-Z Key
Suite 75
711 Southern Artery
Quincy, MA 02169

Hardware Improvements

• ZX81 Improved Heatsink. Prevent system crashes caused by overheating of voltage regulator; no modification of appearance or function of the ZX81 needed; installed in minutes. $10.

B. Sanzone
289 Baxter Lane
Milford, CT 06460

• End edge connector tarnish problems. Electro-plate the fingers with 24 karat gold. $15 plus $3.75 s&h for first item; $10 plus $2.75 for any additional item with the same order. Do not send the product you want plated now. Instead send SASE for full details first.

Matthew Zenkar
142 Holcroft Rd.
Rochester, NY 14612

System Expansion

• System expansion kit. Install permanent system utilities such as machine language or service routines in up to 8K memory that is not lost when you reset or turn off your ZX81; compatible with 16K RAM packs. Full details and all components including one 2K HM6116P-3 CMOS RAM: $29.95 plus $1.95 s&h. PC board alone, masked and silkscreened: $15 postpaid. Additional 2K HM6116P-3 (150 ns): $9 each.

Hunter
1630 Forest Hills Dr.
Okemos, MI 48864

Tape Accessories

• Winky Board Cassette Loader/Duplicator Interface. Makes loading easy; includes LED level monitor, earphone eavesdropper and interference filter, circuits for direct copying of any cassette. Kit: $12; assembled and tested unit: $18. U.S. postpaid; overseas: add $2. Free information.

G. Russell
RD 1, Box 539
Centre Hall, PA 16828

• ZX Loading Aid. Circuit detects and shows signal level on two LEDs to enable you to distinguish program, introductory buzz, silence, voice overs; in small black metal box 90x35x30mm with two 3.5mm sockets and two 3.5mm jacks; connects between tape player and computer. 1%9.95 (incl. s&h and VAT); $21. Specify which computer you will use it on.

Fulcrum Products
“Hillside” Steep Lane, Findon
Worthing, West Sussex BN14 0UF
United Kingdom

• Chirper module. Gives acoustic feedback on keystrokes as a variable chirp that remains on until the ZX81 is ready for another entry; produces sound while program runs; sounds can be programmed either in Basic or machine code; fits inside ZX81; solder 3 wires. $9.95.

Audiograph Co.
3584 Leroy
Ann Arbor, MI 48103

T-Shirts

• T-Shirts and Sweatshirts. SoftWEAR for the ZX81 owner. T-shirts with round neck and short sleeves; sweatshirts with long sleeves and heavy weight fleecy lining. Red lettering “Sinclair ZX81″ on black or white shirts. Adults: 34″, small; 36″, medium; 38-40″, large; 42-44″, extra large. Children: 24″, 26″, 28″, 30″, 32”. T-shirts: £3.25 or $7; sweatshirts: £6.99 or $16.

Fulcrum Products
Hillside, Steep Lane
Findon, Worthing
West Sussex BN14 0UF
United Kingdom

Video Upgrade

• Video Upgrade Kit. For ZX80 8K ROM; smooth flicker free video; performance is exactly that of the ZX81; easy assembly and installation inside the ZX80. $32.50 plus $2.50 s&h.

Computer Engineering Services
PO Box 1222
Show Low, AR 85901
(602) 537-7522