Super Data Save
Construction tips and parts list for a load filter and software package for the ZX81/TS1000.
Timex/Sinclair 1000
TRS-80 to ZX81 Conversions
Tips on converting programs with READ/DATA, LEFT$, RIGHT$, MID$, and ON GO TO to ZX81 BASIC.
TRS-80 to ZX81 Conversions Read More »
A 4-Line Program to Set RAMTOP
Short routine sets RAMTOP via values RAND pushes to the stack.
A 4-Line Program to Set RAMTOP Read More »
Peeks and Pokes for the TS1000
List of ROM routines programmers may find useful.
Peeks and Pokes for the TS1000 Read More »
Overlooked Logicals
Using logical expressions to reduce program size and increase speed.
Overlooked Logicals Read More »
To Eliminate Blank Spaces When Using Strings in a Line of Text
Short code snippet to trim white space from end of string.
To Eliminate Blank Spaces When Using Strings in a Line of Text Read More »
ZX81 Screen Addressing
Instructions for PEEKing and POKEing to the display file.
ZX81 Screen Addressing Read More »
SincBits
Advice about returning 2068s for repair, color monitors, Timex Portugal deal to supply Polish government with 800,000 TC2068s and 300,000 FDD 3000 systems. Discusses utilities for the Spectrum. Ray Kingsley working with John Oliger on a DOS. Remarkable hardware and software available from Fred Nachbaur.
ZX81 Tips
PEEKs to find the number of characters in the first line of a program and to prevent accidental screen overflow.
Programming Tips, Part 3
When to use SLOW/FAST; tips on graphics coordinates.
Programming Tips, Part 3 Read More »