ZX81 Programs

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Publication Details

Volume: 4 Issue: 1

Date

April 1987

Pages

4-8

Several programs from club members.

  • Child1: visual aid to teaching pre-school children numbers from 1 to 10 (Bill Harmer).
  • VROP: voltage regulator circuit design program using a 741 op-amp (Bill Harmer).
  • Screen Fill: short machine language program to fill screen with any single character.
  • Stop-Watch: timer based on internal FRAMES variable; max of 18.2 minutes.
  • Flashing Prompts: demonstration of flashing text.

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