| CATS User Group Program Swap Listing |
Letter from John Riley, Software Librarian for the Capitol Area Timex-Sinclair User’s Group (CATS), offering a public domain program exchange: send a non-commercial TS-2068 or Spectrum program and receive one of three library volumes in return. Includes full annotated catalog of all three volumes: Vol.1 Games (18 programs), Vol.2 Educational and Utilities (17 programs), Vol.3 |
Timex/Sinclair 2068 |
| DEF FN: Spectrum-Style User-Defined Functions |
Reprint of the DEF FN section from the Sinclair Spectrum User’s Guide, supplied by Bob Orrfelt who noted the 2068 manual is inferior on this topic. Covers defining numeric and string functions, functions with multiple or no arguments, and includes exercises demonstrating FN behavior versus built-in functions. |
Sinclair ZX Spectrum, Timex/Sinclair 2068 |
| Listing on Your Printer: A Complete LLIST Program for the TS-2068 |
Discusses deficiencies in commercial LLIST programs, particularly their mishandling of tokens and color commands that are incompatible with non-Timex printers. Presents a relocatable BASIC LLIST program that converts tokens to pure ASCII, ignores color commands and number slugs, and supports selective line printing with configurable margin and width formatting. |
Timex/Sinclair 2068, Type-in program |
| Multi-Tasking on the Timex-2068 Using Z80 Interrupt Mode 2 |
In-depth technical article on implementing Z80 interrupt mode 2 on the TS-2068 for multi-tasking. Explains the 257-byte interrupt table, vector table, and service routine structure. Author used the technique in his machine code word processor to run a print spooler, input buffer, clock/calendar display, and clock display simultaneously. Includes assembly code listing. |
Timex/Sinclair 2068, Type-in program |
