Byte vol.5 №10 October 1980

Foreground
62 AN 8088 PROCESSOR FOR THE S-100 BUS, Part 2
by Thomas Woodward Cantrell
The second part of this article describes techniques for interfacing to the S-100 bus.
96 SORTING WITH BINARY TREES by Bill Walker
This data-storage structure makes it easy to insert or delete items in the file.
196 FLOPTRAN-IV: A TINY COMPILER by Mark Zimmermann
Commodore PET’s BASIC interpreter is a handy foundation for a tiny compiler.
232 SYMBOLIC MATH USING BASIC by David R Stoutemyer
Here’s an introduction to symbolic computer mathematics.
282 THE 6502 GETS MICROPROGRAMMABLE INSTRUCTIONS
by Dennette A Harrod
A simple circuit and some clever programming make enhancing this processor’s instruction set possible.
286 VECTOR GRAPHICS FOR RASTER DISPLAYS by John Beetem When plotting a line on a raster display, there is more logic involved than moving from point A to point B.
Background
24 MAKE LIQUID-CRYSTAL DISPLAYS WORK FOR YOU by Steve Ciarcia
With appropriate interfaces, these displays are suitable for many applications.
114 AN INFORMATION-RETRIEVAL SYSTEM by Robert W Elmore and
Krishna K Agarwal
This system is capable of maintaining a file of related records and printing a selective list based on given criteria.
154 ADD MACRO EXPANSION TO YOUR MICROCOMPUTER, Part 1
by David C Brown
A macro assembler is often a valuable tool when developing large assembly-language programs.
266 MACHINE PROBLEM SOLVING, Part 2: Directed Search Using
Cryptarithmetic by Peter Frey
The oest problem-solving programs often apply a combination of human and computer methods.
274 THE FORTH STANDARDS TEAM by William Ragsdale
Using a standard dialect of the FORTH language keeps costs down in the long run.