A Z80 machine language program to use the ZX81 as an audio frequency counter
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Timex/Sinclair 1000
Timex Sinclair 1000 sales disappointing
One blot on the rosy scene of the Sinclair Research financial year was the disappointing performance of the Timex Sinclair 1000 in the U.S. Two factors seem to have affected sales badly, the raging personal computer price war which brought the selling price of the TS 1000 crashing to a derisory $39 and what some
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Instantaneous Keyboard Response
Part III of Programming Arcade Games.
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An Illuminating Idea
Hardware and software to switch up to four 5-amp loads at up to 110v.
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Screener: An ‘Instant’ Screen Display Routine
Short utility program that will let you print an entire screen almost instantly.
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Paradox of the Twins
Demonstrates the “Twin Paradox” of one person travelling through space at a speed near light versus a person who stays on Earth. The person on Earth ages faster than the one travelling.
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Shopper’s Guide: About T/S Computers…
Overview of the three Timex/Sinclair computers.
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Shopper’s Guide: Suppliers
List of hardware/software suppliers.
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