Defensive Awari
Improvements to author’s program.
Sinclair ZX81
Educational Software Vendor
Edson Electronics offers educational programs for ZX80/81.
Educational Software Vendor Read More »
Translating Programs: On … Go To
Techniques for translating programs from other BASICs.
Translating Programs: On … Go To Read More »
Numbers Held Inexactly on the ZX81
First in a series of articles on numerical errors in the 8K ROM.
Numbers Held Inexactly on the ZX81 Read More »
Another $100 Misunderstanding
Tips for constructing the ZX81 kit.
Another $100 Misunderstanding Read More »
Dear Editor
How to make a program unlistable; program for linear regression; painting heatsinks; FORTH; problems with 8K ROM/keyboard upgrade for ZX80; MicroAce flicker-free kit; large keyboard; edge connector cleaner.
Curing 16K RAM Random Dumping
Suggestions for eliminating RAM pack wobble.
Curing 16K RAM Random Dumping Read More »