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
- ZX EXCHANGE. Offers opportunities for informal postal contact with other users in U.K. and abroad. Full details and a copy of the current ZX Broadsheet. Self-addressed envelope and two international reply coupons to:
Nick Godwin
[address omitted]
Eyemouth, Berwickshire TD14 5AP
United Kingdom
Virginia
- Central VA User Group. Contact:
J. C. McCormick
PO Box 29177
Richmond, VA 23229
User Groups Forming
Georgia
- Metro-Atlanta area ZX users. Contact:
Jeff Feinsmith
[address omitted]
Riverdale, GA 30296
[phone number omitted]
Virginia
- Rockingham, Augusta County, area users. Contact:
Andrew J. Milligan
[address omitted]
Bridgewater, VA 22812
[phone number omitted] (bus)
[phone number omitted] (home)
- Tidewater area users. Contact:
Michael B. Williams
[address omitted]
Virginia Beach, VA 23464
[phone number omitted] (after 3 p.m.)
Hardware Improvements
- End edge connector tarnish problems by electroplating the fingers with 24 karat gold. $5 plus $3 s&h. For details write:
Matthew Zenkar
142 Holcroft Rd.
Rochester, NY 14612
Business/Household Programs
- Home Clock Family Bulletins Program. Both a clock and bulletin board; clock features menu for clock control; clock displays time in large numerals; continuous display of bulletins with large text alarm display area; and more. 8K ROM; 16K RAM. Cassette and documentation: $20. Full details available.
King Software
85 Myrtle St.
Lowell, MA 01850
- ZX Data-Finder. Sets up files for wide variety of uses; allows ADD, EDIT, Title search, Word search; flexible file size. Listing and thorough documentation: $9.95 pp.
Thomas B. Woods
PO Box 64
Jefferson, NH 03583
- INVZXTROL. Inventory Program. Controls up to 200 items; includes description code quantity in stock and price; menu driven; easily editable for further use of X PRINTER; total control on inputs/outputs; totally written in Basic; prompts and all the instructions are written in SPANISH; up to 750 items with 64K module. 8K ROM; 16K RAM. Program: $20.00.
Rafael Ceja Beltran
Emilio Carranza No. 78
San Pedro Tlaquepaque Jalisco
45500 Mexico
- Complete Portfolio Management. Inventory and analysis (e.g., profit, loss, yield, dates). Market Forecast. 8K ROM; 16K RAM. Cassette: $9.95 plus $0.50 s&h.
Teletek Co.
15 Central Way, Suite 169
Kirkland, WA 98033
- Budget Program. Tells how much you have to spend per pay period (works on any pay period length) and how much you have left. 8K ROM; 16K RAM. 4K ROM; 1K RAM). $10.00 pp. Barchart Program. Indexes 28 vertical bars 20 spaces high. 8K ROM; 1K RAM). $5.00 pp. Credit cards not accepted.
Al Jorgensen
Box 202, RD 2
Vergennes, VT. 05491
- Home Financial Package. Includes Bond Investment, IRA Account Planner, and Mortgage Analysis. 8K ROM; 1K RAM. All listings: $1.00 and SASE.
Florida Creations
Dept. P.
PO Box 16422
Jacksonville, FL 32245-6422
- For FM, HAM, and TV antennas. Design your own or modify your current antenna to optimize the reception in your specific location. 8K ROM. Listing: $2.50; cassette: $9.50.
Huron Communications
710 S. Silver St.
Bad Axe, MI 48413
- Security Service, will custom secure your Basic program, put access codes in it, make parts of it nonlistable, or even make parts of your Basic program noneditable. For more information write:
Mark E. Rogers
553 Melrose Dr.
LaPlace, LA 70068
Graphics
- Graph-it. Plots user supplied equations on polar or rectangular coordinates chosen from menu; calculates scales; accepts equation as variable rather than program statement (no re-programming necessary); help section sends results to printer; 3-dimensional graphs also possible; improves math understanding as well as displays data in graphical form. Run-it price: $14.95.
Run-it Software, Inc.
732 S. Sherman
Chicago, IL 60605
Assemblers
- The ZX81 Disassembler. Allows you to browse through the powerful routines in Sinclair’s 8K ROM, check your own machine language routines by converting them to assembly code; converts 252 regular and 560 extended opcodes to assembler mnemonics; no external table lookups required; allows you to jump to any point in memory at any time. 12K program. Cassette and instructions: $9.
M. Irons
46 Magic Circle Dr.
Goshen, NY 10924
- TS1000/ZX81 Assembler/Debugger. Two-pass assembler for entire Z80 instruction set with standard Zilog mnemonics. Source in REM statements with labels, symbols, and seven pseudo-ops: ORG, DEFB, DEFW, DEFS, DEFC, EQU, and END. Displays or prints listings; assembles in FAST or SLOW mode, up to 1000 lines per minute, with syntax checking and diagnostics. Debugging features include: memory display and modification in hexadecimal, breakpoint with display of all registers, line renumbering. 6.5K machine code and Basic. Cassette and comprehensive manual: $14.95 pp. ($19.95 overseas; U.S. funds only).
Scientific Software
6 W. 61 Terrace
Kansas City, MO 64113
Back Issues of SYNC (UK)
- Back issues of SYNC, volume 1, numbers 1 through 6, are available in the United Kingdom for £1.20 from:
Hazel Gordon
SYNC Magazine
27 Andrew Close
Stoke Golding
Nuneaton CV13 6EL
Repair Service
- The only Sinclair-authorized service center in the U.S. Offers full repair service and maintenance contracts covering full service and all parts for the Sinclair ZX81 and T/S 1000 and the ZX Printer. For information contact:
Customer Service Dept.
MicroSync Services
162 Marlboro St.
Keene, NH 03431
Workshops
- Workshop series “Microcomputers in Education.” Tallahassee, FL, Jan. 18-20; Washington, D.C., Feb. 7-9; New York, Feb. 17-19. Designed for professional development of educators at all levels; emphasis on hands-on experience; extensive reference materials. For further information and other upcoming workshops, write:
TERC
8 Eliot St.
Cambridge, MA 02138
Games
- ZXBOMBER. Includes 11 ranks, 40 cities of varying sizes, and a mixture of graphics (for the attack) and text (upon return to base). 8K ROM; 16K RAM. Complete instructions included: $6.95 incl s&h. (Coming soon DUNJUN, the ultimate adventure game.)
Blake Kincaid
3704 S.E. 42nd Ave.
Portland, OR 97206
- Masterbrain. Computer invents a fiendish code which you must decipher. You are given clues as to how close your guess approximates the five place code. You will be rewarded for doing well and chastised for doing poorly. The solution can be called if you are having trouble. Program uses graphics. 8K ROM; 16K RAM. Cassette: $9.95 plus $1.00 s&h.
David B. Scollin
350 Laughlin Way
Redwood Valley, CA 95470
- Laser Invasion. Exciting arcade game. 8K ROM; 2K RAM. Listing and instructions: $2.00 plus SASE.
ZX-Vision
PO Box 42
Ringoes, NJ 08551
- Artificial Flight Program. Fly your private plane to the runway and land safely or find out why you crashed and try again. Graphics real time; three separate displays. 8K ROM; 16K RAM. Cassette: $5.00 plus $1.00 s&h.
Greg Keller
6409 S. Boston
Fort Smith, AR 72903
Catalogs/Directories/Product Lists
- The Sinclair Software Sourcebook. You can sell your programs through a listing in 1 of 8 categories; listing runs for one year for $10. Book will be updated and reprinted periodically. Write for full details and listing form.
Drivers Software Sourcebooks
PO Box 1048
Port Hardy, B.C.
Canada V0N 2P0
- The Watchmakers Guidebook to the TIMEX/Sinclair Computers. Directory of suppliers with a brief description of their wares; includes about 120 software suppliers, 50 hardware, and 20 ancillary; directory of user groups, TIMEX/Sinclair specific magazines and books, index to articles in general computer magazines on the T/S computers. 44 pp. $3.95 plus $1 s&h. Quarterly updating planned.
TSG Enterprises
Guidebook
54 Richwood Pl.
Denville, NJ 07834
- Games and Utilities for the ZX81. Send SASE for free program and information to:
Brown Software
53 Cliff Ln.
Levittown, NY 11756
Tape Accessories
- L-Monitor. Multi-purpose tape loading aid. Features accuracy and reliability of sensitive microammeter; compact and attractive; plugs in between any computer and recorder using standard 1/8″ connectors; assures first-time LOADs; wide sensitivity range, user adjustable. Output for earphone, amplifier or tape duping. Instructions for tape head alignment, hi-fi tonal balance, and using your own stereo system to LOAD and SAVE programs. Kit: $17.50; assembled and tested: $23.50. U.S. pp.
L-Monitor
819 Kenyon Ln.
Newark, DE 19711