Vol.6 n°6 june 1981

Vol.6 n°6 june 1981

p.3 In the Queue (table of contents)

Features

p.36 Logo for Personal Computers

A preview of the first small-computer versions of this exciting language.

[author : Harold Nelson]

p.46 Build a Low-Cost Speech-Synthesizer Interface

The Digitalker integrated circuits from National Semiconductor can easily give your computer a limited spoken vocabulary.

[author : Steve Garcia]

p.72 Mathematical Modeling: A BASIC Program to Simulate Real-World Systems

A Compucolor II BASIC program effectively simulates a physical system through the solution of a system of linear differential equations.

[author : Randall E Hicks]

p.110 A Computer-Based Laboratory Timer

Accurate, repeatable tine measurements can be made in rapid succession, and logged for later use.

[author : John Gibson]

p.216 CP/M: A Family of 8- and 16-Bit Operating Systems

An overview of Digital Research's operating systems, including a 16-bit operating system.

[author : Gary Kildall]

p.248 The UNIX Operating System and the XENIX Standard Operating Environment

An inside look at a large-computer operating system implemented for use with microprocessors.

[author : Robert Greenberg]

p.268 The Ins and Outs of CP/M

Directly access the I/O and disk access functions of the CP/M operating system.

[author : James Larson]

p.302 Build a Super Simple Floppy-Disk Interface, Part II

A moderate amount of software makes the 10-device circuit into a flexible floppy-disk controller.

[author : Roger Camp and James Nicholson]

p.378 An Easy-to-Use A/D Converter

This analog-to-digital converter features six input channels with accuracy of 8 to 10 bits.

[author : Robert Daggit]

p.392 The Impossible Dream: Computing e to 116,000 Places with a Personal Computer

An 8-bit microcomputer is harnessed to the Herculean task of computing the mathematical constant e to 115,925 places.

[author : Stephen Wozniak]

Reviews

p.24 RAMCRAM Memory Module for the Atari

[author : Mark Pelczarski]

p.88 information Unlimited: The Dialog Information Retrieval Service

[author : Stan Miastkowski]

p.176 Four Word Processors for the Apple II

[author : Keith Carlson and Steve Haber]

p.352 Startrek 4.0 and Startrek 3.5

[author : Scott Mitchell]

p.356 The BDS C Compiler

[author : Christopher Kern]

Nucleus

p.6 Editorial: The New 16-Bit Operating Systems, or, The Search for Benützerfreundlichkeit

p.12 Letters

p.30, 162, 384 Technical Forums

LISP vs FORTRAN: A Fantasy

We Interrupt This Program...

A Votrax vocabulary

p.146 Education Forum

Microcomputers in Education: A Concept-Oriented Approach

p.168 Programming Quickie: Z80 Table Lookup

p.208 BYTELINES

p.234 System Notes: LIST - A Source-Listing Program for the C Language

p.342 Ask BYTE

p.348 Software Received

p.350 Books Received

p.350, 370, 377 BYTE's Bits

p.364, 374 Book Reviews

Musical Applications of Microprocessors

TEX and METAFONT: New Directions in Typesetting

p.371 Clubs and Newsletters

p.372 Event Queue

p.376 BYTE's Bugs

p.409 What's New?

p.462 Unclassified Ads

p.463 BOMB, BOMB Results

p.464 Reader Service

In This Issue

It's the operating systems that turn a hunk of hardware into a clever machine. As Robert Tinney's cover drawing depicts, they are the brains behind the brawn of today's computing systems.

This month two articles analyze the most popular operating system, "CP/M: A Family of 8- and 16-Bit Operating Systems," by Gary Kildall, and James Larson's "The Ins and Outs of CP/M." If you can get by the title of Chris Morgan's editorial - "The New 16-Bit Operating Systems, or, the Search for Benutzerfreundlichkeit" - you'll discover what form the operating systems of the future may take. And Robert Greenberg presents what may be the next popular operating system in his article, "The UNIX Operating System and the XENIX Standard Operating Environment."