| Astronomical Algorithms on the ZX81 |
Examples of astronomical algorithms from More Uses for Your Timex/Sinclair 1000: Astronomy on Your Computer. |
Sinclair ZX81 |
| Drawing a Line |
Code that implement’s Bresenham’s line algorithm in C and BASIC for the ZX81. |
Sinclair ZX81 |
| Editorial |
Introduction from Tim Swenson, author and publisher. Describes goals and scope of the e-zine. |
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| MicroSync Services |
Brief article about “Sinclair’s Exclusive Authorized Service Center.” |
Sinclair ZX81 |
| Plotting with Z88dk |
Describes how to add ZX BASIC PLOT/UNPLOT commands to the Z88dk C compiler. |
Sinclair ZX81 |
| The ZX80 and ZX81 in the USA |
Background about Sinclair Research Ltd., its entry into the United States marketplace, and its first two computers. |
Sinclair ZX80, Sinclair ZX81 |
| ZX81 Basic Compilers |
Overview of several compilers available in the early 1980s for the ZX81, including ZX Autocoder, MCODER, ZXpress, and The ZX Compiler. |
Sinclair ZX81 |
