The game paddle inputs of Apple microcomputers provide a simple way to get laboratory measurements into the computer. Discusses these game paddles and the necessary interface software. Includes schematics for Apple built-in paddle electronics, TRS-80 game paddle I/O, Commodore circuit for user port, and bus interface for Sinclair/Timex, Commodore, and TI99/4A. (JN)
Lab Inputs for Common Micros. Read More »
The Sinclair blockbuster. You’ve bought the computer, you’ve read the book — and now, see the movie? Well, so far, we only have the computer — the $100 Timex/Sinclair 1000 personal computer that’s expected to sell to a million people this year — and the book, a mass-market paperback guide from Signet. Keeping enough copies
Here is how to make a copy of the “Memotext” word-processor, which you can save to tape and reload later into RAM or NVM (non-volatile memory) in the 8-16K range.
Translations: Memotext in RAM Read More »
Product announcements from C. W. Associates, Gulf Micro Electronics, Aerco, G. Russell Electronics, Melvin MacKaron, Ace Software, Rheesware, EZ-KEy, Falmouth Computer Service, Damco Enterprises, A.F.R. Software, John Oliger, Van Vangor, T-Ware, Integrated Data Systems.
The purpose of this article is to present some alternatives to this command, and in this process maybe show some ways of handling your display file.
Clear That Screen! Read More »
This chapter will list some requirements for the place where we will put the machine code, and will show you how to find a memory location that meets those requirements.
Basil’s Compendium: Where to Put the Program Read More »
“Just what is FORTH like?” FORTH is like FORTH and nothing else – it’s that simple. It has been shown that people who have never been exposed to a procedural language like BASIC, Fortran, Pascal, etc. grasp FORTH almost immediately.
Reviews the operation of the ZX81 memory, discusses PEEK and POKE and introduce the USR command.
Basil’s Compendium: PEEK, POKE & USR Read More »
Product availability announcements from Imre Auersbaucher (educational software), Hawg Wild Software (2068 fig-Forth, CP Spectrum Forth, EMU-1 Spectrum emulator, User Design Graphics toolkit), Dale Lipinski Software (5 new programs for the 2068, and 8 new ones for the 1000 and 1500, dealing with accounting and file management), Sinware (updated HotZ 2068), Games to Learn By
As the title implies, this series is designed to introduce the beginner to the basics of machine coding. The beginner in machine language that is. We must assume that you already have a working knowledge of BASIC.
Basil’s Compendium: Basic Machine Code for the ZX-81/TS1000 Read More »
This program actually comes as an addendum and application to the LPRINT Hints given in Vol. 1.
