Timex/Sinclair 1000
Interrupts
А discussion of interrupts was a bit too advanced a subject to cover in detail in my book ‘Introduction to 2068 Machine Code,” since the beginning student has enough other things to learn, so here is a short discussion of them. Reprinted from SMUG Bytes, August 1986.
Program Reader
Have you at one time or another forgotten the name of a particular 1000 program but didn’t want to wait the 10 minutes to see what it was? Help is at hand! This routine will read and print the name the program was saved under, all in a few seconds and without affecting the saved
Working with the ZX81/TS1000 Display File
Reprinted from ZX Appeal, July/August 1986 issue.
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Port Project #1: Data Communications Between Two Computers
This first project gives you the basis of a very useful application involving I/O ports–communicating between two computers.
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Introducing the Experimentor’s Universal Input/Output Port
Some of you may remember that a LONG time ago, I said I wanted to offer a simple parallel port and use it as the basis of a series of programs designed to show computer hobbyists the what’s, why’s and wherefore’s of “Programming for Ports”. My plan was (and still is) to provide many interesting
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Z80-B, Bent EPROMs, ROM-PAK Notes
Please note that the ROMPAK edition of ZX Pro/File has many program lines (all the DIM lines plus 9960/9970) which can be deleted after the program is transferred from eprom to memory and before the program is saved to tape. This saved memory can be used to enlarge DS or add modifications.
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