Syntax/Syntax ZX80 v4 n9

Volume: 4
Issue: 9

Articles

  • Memotech, Printer Incompatibility Solved
    Memotech reports the cause of Memopak/TS2040 printer incompatibility—3 unneeded printer capacitors (C4-C6).
  • TS1500 RAM Trouble
    Industry sources inform SYNTAX that testing of several RAMs—Memotech, Byte-Back, Gladstone, Persona, and D’ktronics—shows they will not work with current TS1500 demos.
  • TS2068 Update
    TS2068s may grace your mailboxes by the end of September. Timex says Reagan’s FCC cuts delayed approval.
  • Network Interface for Spectrum
    Sinclair Research announces the ZX Interface I, enabling 64-machine, 100 Kbaud local area networking and modem transmission.
  • New Products and Services (Syntax v4 n9)
    New products from Matthew Zenkar, SyncMaster, John Carson, I.M.S. Enterprises, Banta Software, ZX-Panding, Syber Inc., KSOFT, E-Z Key.
  • Syntax Errors
    Correction to Return on Investment.
  • Clarification
    Winky Board manufacturer Gerry Russell says the SAVE filter feature should be used only if high frequency RAM pack noise prevents SAVEing.
  • ZX/TS Users' Groups
  • Vendor Reports and Notes
    Updates from Brainchild, Kopak, Paul Hunter.
  • User Friendly Legal Advice, Part II
    Should you sell or license your program?
  • Memotext Word Processor
    Review of Memotech’s word processor.
  • Better Scrolling
    Techniques to improve scrollig.
  • ZXDIS Disassembler
    Review of the program Scientific Software.
  • ZIP-to-State, State-to-ZIP
    Technique we used at SYNTAX to make sure our zip and state match in our mailing list.
  • Program Access Security System
    Short machine code program prevents program access without a code after you LOAD your program.
  • Dear Editor
    Cleaning the ZX printer; secure the slot key in expansion devices; printing problems with joystick; avoid power supply related crashes; test tape head alignment.
  • Distance
    Computes the shortest distance and true bearing from any point on the earth’s surface to any other location.
  • ZX81/Timex Programming in BASIC & Machine Language
    Takes up where your ZX/TS manual leaves off; the book assumes you know the basics of ZX/TS hardware and software.
  • MC Inkey$ Subroutine
    Machine code routine returns the CODE value of the key pressed to your BASIC program.
  • Cheap Power
    Surplus power supplies can double a ZX/TS’s load capabilities.
  • Hidden REMs
    Use this trick to hide information in your REM statements.
  • Rhythm-Fun
    Teaches basic rhythm timing and sight reading for quarter notes.
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