Coarse and fine scrolling, both horizontally and vertically, let the display screen become a window for viewing large amounts of data.
[author : Chris Crawford]
The Personal Computer is a versatile microcomputer that can be used in almost any application.
[author : Gregg Williams]
Learn how to design and build economical analog interfaces.
[author : Steve Ciarcia]
Use your TRS-80 as a file-transfer terminal and debugging monitor for a 6800 system.
[author : Robert Labenski]
Straight talk on a variety of new products from a hard-to-please computer user.
[author : Jerry Pournelle]
A hardware/software project to make your TRS-80 "sensitive" to the analog world.
[author : William Barden, Jr.]
A "free-running'" microprocessor can help to fix a malfunctioning computer system.
[author : Kenneth M. Piggott]
Upgrade your Sinclair ZX-80 for under $200 with a 16 K-byte memory-expansion project.
[author : Hilton K. Ernde]
BSR X-10 strikes again.
[author : David C. Staehlin]
Hardware and software provide video-display and variable-period interrupts.
[author : Gary H. Price]
How to build a low-cost EPROM programmer based on an RCA 1802 microprocessor.
[author : Dan Rubis]
With the hardware and software described here. you can pick up the phone and wish a deaf friend a good day.
[author : Ned W. Rhodes]
Reduce the size of text files by identifying common pairs of letters.
[author : David Cortesi]
An introduction to the principles of structured programming with examples in Cromemco 32 K Structured BASIC.
[author : Mark Sobell]
How to tell if your location is suitable for a satellite-receiving antenna.
[author : Steve Emmett]
[author : Tim Daneliuk]
[author : Wayne Angevine]
IBM's entry into the small-computer market with its Personal Computer was a ·big event in the industry. And that's why we've taken a second look. Showcased in our cover photo by Paul Avis, the IBM Personal Computer is a versatile machine. For an in-depth report on its many features and capabilities read Gregg Williams' article, "A Closer Look at the IBM Personal Computer."
Hardware is our theme this month and among the many articles on that topic are Bill Barden's second in a series, "Build a Joystick A-to-D Converter for the TRS-80 Model I or III," and Kenneth Piggott's "Troubleshooting with Electronic Signatures." As well, learn how to expand your ZX-80's memory, control motors and appliances, and interrupt your Elf. All this plus our regular features and reviews.