An Introduction to VU-CALC Spreadsheeting for the Timex/Sinclair 1000 and the Sinclair ZX81
Review of the book.
Timex/Sinclair 1000
What Does This Program Do
Flash screen by switching between FAST and SLOW.
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Machine Code Graphics Demo
Program provides an unusual display of machine code (MC) graphics. It alters the I register, which contains the high order address of the graphics table.
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Timex at the Heart of the Kidney
TS1000 plus peripherals can make life easier and less expensive for artificial kidney patients and US taxpayers. Artificial kidneys used by dialysis patients cost $20-50 each and patients can use each only once. Each kidney patient must dialyze, using a new kidney, three times a week. Medicare, through our tax dollars, bears 80% of this
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Stop Auto-Run
Stop an auto-RUN program (a program that automatically RUNS when LOADed) before it RUNS.
Faster Pseudorandom Numbers
Sequentially PEEK from the 8K ROM’s machine language operating system (essentially a pseudorandom number table) from a randomly selected starting point to provide “random” numbers.
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E-Z Loader Software Bug Fix
Repair E-Z Loader with a few pokes.
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Pie Chart: A Refinement
Refining Ron Oblander’s chart (Nov. 82) makes it run faster and puts table and chart on 1 display.
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Multiple Regression Analysis
Review of the program from Programmers at Large.
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