Syntax/Syntax ZX80 v2 n11

Date: November 1981
Volume: 2
Issue: 11

Articles

  • Improved 4K Sine CalculationZX80 Type-in program
    Use these lines in 4K programs requiring sines between 0 and 90 degrees.
  • CAI Ships WidgetsMicroAce
    At press time, CAI’s Bob Swann confirmed reader reports- 100’s of Widgets shipped. Expect printers in 2 wks, tape drives in 4. Widgets chew up the top 4K of memory – 2 for tape and 2 for printer.
  • Beginners' Column: REM RevisitedZX80 ZX81 Tutorial
    Storing machine code in REM statements.
  • ReverseZX80 ZX81 Type-in program
    The object of this game, rewritten from one published by Creative Computing, is to get the numbers in ascending order from left to right.
  • Dear Sinclair ResearchZX80
    It is with great displeasure that I am returning my Sinclair ZX80. Response from Nigel Searle.
  • Digital ClockZX81 Type-in program
    This program operates as a digital clock, showing A.M. or P.M. and changing at 12:00.
  • The ZX81 CompanionZX81 TS 1000 Book review
    Bob Maunder’s new book is very different from The ZX80 Companion. It aims to appeal to every ZX81 owner, but more to “students” of computing whether at home or at school.
  • ZX81 and 16K RAM SchematicsZX81 TS 1000
    A new company, Heuristics, is the exclusive distributor of ZX81 and 16K RAM pack schematics. They also plan ZX81 hardware and software.
  • Find Clean Tape on 8KZX81 Type-in program
    Quickly find the unused section of tape for SAVEing 8K programs on multi-program tapes on any RAM size.
  • ZX81 - The New StandardZX81 TS 1000 Hardware review
    For only $149, you now get 8K BASIC, continuous display, the choice of channel 2 or 3 and a newly styled case.
  • Dear EditorZX80 MicroAce ZX81
    ZX-Microfair in London; Microace 8K ROM has bugs; Microace regulator; floating point in 8K ROM.
  • Zeta SoftwareZX81 Type-in program
    MCD Name Changer.
  • New 8K ROM PotpourriZX81 Reference
    Sinclair’s first 8K ROM had a few bugs; list of changes to the 8K ROM map.
  • Super MonzxerZX81 Type-in program
    This adventure game of survival challenges you with man-eating spiders, giant bats, pits and monzxers. You are in a cave with 5 levels of 20 rooms each.
  • Reduce 4K Loading NoiseZX80
    4K ROM users: instead of building our Cassette Eavesdropper (Dec. 80) to reduce loading noise, try a dual mini-plug from Radio Shack.
  • Hardware HintsZX80 Hardware project
    Potential solution to overheating; labeling keys on big keyboards.
  • Sinclair's Printer Shown in USZX81 Type-in program
    Clive Sinclair of Sinclair Research demonstrated his ZX81 printer at the the US introduction of the ZX81 computer in Boston on Oct. 7.
  • Microace interface to MM57109 calculator chipMicroAce
    R.B. Turner plans to interface his 4K/2K MicroAce to the MM57109 programmable calculator chip to provide many scientific calculations.
  • Inverse Big CharactersZX80 Type-in program
    To print 8x size characters in reverse video, change these lines from Big Characters (Dec. 80).
  • Changes to Amazing Active DisplayZX80
    John Sampson of College Point, NY, called in response to the letter in the Oct. 81 issue about The Amazing Active Display.
  • Syntax ErrorsZX81
    Jon Passler noticed an error in his 8K Roundoff routine (Oct. 81).
  • Multipurpose Memory ExpansionZX80
    SABRE Systems has developed a multipurpose memory expansion board to use in a variety of RAM/EPROM combinations.
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