| Aligning Decimal Points |
Subroutines to align decimals and control the number of digits displayed after the decimal. |
Timex/Sinclair 1000 |
| BASIC Programming (part 3) |
BASIC language programming tutorial, building a name/address file. |
Timex/Sinclair 1000 |
| Hardware Hints |
Offers several solutions for preventing the ZX81 from overheating. |
Timex/Sinclair 1000 |
| Machine Code Programming (part 3) |
Machine language programming tutorial. |
Timex/Sinclair 1000 |
| Merging BASIC Programs |
Method for typing in a second program without losing the first. |
Timex/Sinclair 1000 |
| Single-Key Shifted Functions |
Describes how to use diodes and integrated circuits to map a single key to a shifted-key function on the ZX81. |
Timex/Sinclair 1000 |
