Here's a simple converter that uses a standard integrated circuit for producing a 25 mA bipolar source from a single-ended power supply.
[author : Michael Picco]
This month Steve explains the operation of parallel input/output as a prelude to next month's design for an economical RS-232C interface.
[author : Steve Ciarcia]
Using the LFD-400 disk-controller board, the KIM-1 can access up to 87.5 K data bytes on several 5-inch hard-sectored floppy-disk drives.
[author : Joel Swank]
Building a disk-controller board for a Shugart SA400 disk drive can be done easily and with commonly available parts.
[author : John Hoeppner]
With the Soundex code, you can locate people's names in your data base by similar, but not exact, spellings.
[author : Tom Munnecke]
An electronic sketchpad? Even a small system like the COSMAC ELF can draw designs using a video display.
[author : Jeff Duntemann]
Storage devices can introduce data errors. The system presented here can increase reliability and speed of these peripherals.
[author : Gregory J Walker]
Floppy disks may be the glamorous way to store programs and data, but the cassette is far from obsolete.
[author : Emory Cook]
The conclusion of this article sets forth the routines to create and use the various arrays described in part 1.
[author : Randolph Nelson]
Part 2 continues the examination of the subtle problems encountered when translating information from performance to written score.
[author : Jef Raskin]
Now you can get some idea of the relative performance of different units by simulating their mechanical functions in a BASIC program,
[author : Dennis Nendza]
If your club is considering to form a program- and data-exchange network, the telephone and amateur radio links described here will be a valuable source of ideas.
[author : Joe Kasser]
Simplifying the Curve-Plotting Calculation by Geometric Means
Alpha Locking in Software
Maintaining a Single Exit Point
Formatted Program Output for the KIM-1
On May's cover, Robert Tinney has formed an abstraction of the most important medium of mass storage in today's era of small computers, the floppy disk. Heightening its shimmering mystery, we find a disk wavering in the heat above some desert landscape. To enlighten you, this issue features several articles that present valuable information about floppy-disk technology. This technology is no mirage - it will even work well in a similar, hot environment of East Africa, as the editorial describes.