The Computer Journal
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| Title | Description | Computers |
|---|---|---|
| Designing Operating Systems: A ROM Based O.S. for the Z81 | Article describes implementing a smaller operating system, with CP/M as the starting point, on the Sinclair ZX81/TS 1000. | Timex/Sinclair 1000, Downloadable |
| Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part One | Introduction to interfacing the 1000, 1500, 2068 and a schematic for interfacing. | Timex/Sinclair 1000, Timex/Sinclair 1500, Timex/Sinclair 2068 |
| Interfacing Tips and Troubles: Interfacing the Sinclair Computers, Part Two | Basic and machine language routines for interfacing. Tri-state interface schematic. | Timex/Sinclair 1000, Timex/Sinclair 1500, Timex/Sinclair 2068 |
| Interfacing Tips and Troubles: Memory Mapped I/O on the Sinclair ZX81 | Memory-mapped IO on a Timex/Sinclair computer. | Sinclair ZX81, Timex/Sinclair 1000, Timex/Sinclair 1500, Timex/Sinclair 2068 |
| Sinclair ZX-81 | Several letters in response to request for ZX-81 schematic. Letters include details about user’s experiences. Schematics of ZX80, ZX81 and 16K ram pack. List of Sinclair/Timex book; includes brief summary of each book. Also, discussion of emulator options available at the time. | Sinclair ZX80, Sinclair ZX81 |
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