The ZX-81/TS1000 Notebook
Short routines from GOSUBS by Edwin and Shirley Gaby; converting programs to the ZX-81.
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Timex/Sinclair 1000
A Sinclair Quickfix
Short machine code routines to allow for saving/loading just data to tape on the ZX81/TS 1000.
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Structured Programming Core Program Framework
Introduction to principles of structured programming.
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TMS9918A VDP Enhanced BASIC Programming Cassette
For use with the TMS9918A Video Project/Upgrade.
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