Circuit Cellar Feedback: Multitasking Timex
Letter from Bill Jones noting that he’d built a Timex 1000 and wanted to build another to make a multi-tasking system.
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Timex/Sinclair 1000
Astronomical Software 1
Menu-driven program providing date, time and coordinate conversions. 64K.
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Structured Programming with ZX81 BASIC
Discussion of structured programming techniques and how to apply them to the ZX81
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Prime Number Benchmark
Comparison of prime number benchmarks written in BASIC and C, across several emulators.
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More Astronomical Programs on the ZX81
Programs written in C and compiled with z88dk for the ZX81
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T/S 2068 and ZX81 ROM Routines
Comparison of routines in both computers.
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QDDASM – Quick and Dirty DisAssembler
Tim writes his own disassembler.
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