Vol.12 n°6 june 1987

Vol.12 n°6 june 1987

p.2 Contents

FEATURES

p.100 First Impressions: The IBM PS/2 Computers

The Personal System/2-including a 32/16-bit bus, new operating systems, and new graphics systems-redefines IBM's microcomputer standards.

[author : the BYTE Editorial Staff]

p.116 Product Description: Microsoft's New DOS

With OS/2, Microsoft makes a break for the future while remaining true to the past.

[author : Eva White and Richard Grehan]

p.129 Ciarcia's Circuit Cellar: Build a Gray-Scale Video Digitizer, Part 2

An imaging system with remarkable features for the price.

[author : Steve Ciarcia]

p.143 Programming Project: A Contouring Subroutine

Use this BASIC program to represent any three-dimensional surface on a flat plane.

[author : Paul D. Bourke]

p.155 Programming Insight: Polynomial Curve Fitter

This BASIC program finds a polynomial function to fit a set of data points.

[author : William G. Hood]

p.161 68000 Machines: Atari 520ST Projects

An interface board for the Atari ST cartridge port.

[author : Tim G. Hunkler]

THEME: Computer-Aided Design

p.173 Introduction

p.177 Data Structures in CAD Software

A description of image types and their computer representation.

[author : Larry Pfortmiller]

p.187 The CADcompiler

A logic design tool with a twist.

[author : Arthur W. Crooke]

p.199 Computer-Aided Routing of Printed Circuit Boards

An examination of Lee's Algorithm and possible improvements.

[author : Stephen E. Belter]

p.209 IGES

One answer to the problems of CAD database exchange.

[author : Ralph J. Mayer]

p.217 CAD for Building Chips

Silicon compilers and the automated building of VLSI circuits.

[author : Steve Trimberger and Jim Rowson]

REVIEWS

p.227 Reviewer's Notebook

[author : Cathryn Baskin]

p.229 Beyond Turbo

Two 12-MHz machines from PC ' s Limited and Wells American.

[author : Wayne Rash Jr.]

p.235 Turbo-Amiga

An Amiga peripheral that's more like a high-performance clone.

[author : Warren Block]

p.238 Pick of the Litter

An overview of eight computer mice.

[author : William H. Murray and Chris H. Pappas]

p.245 Four C Language Interpreters

Run/C, Run/C Professional, C-terp, and Instant-C .

[author : John Unger]

p.250 Microsoft Windows Software Development Kit

Pull-down menus, multitasking, device independence, and more.

[author : David and Lee Hart]

p.256 Smalltalk/V Release 1.2

Inexpensive object-oriented programming for the IBM PC and compatibles.

[author : Mat Davis]

p.265 Acquaint

A frame-based, knowledge-development system and expert-system tool.

[author : Ernest R. Tello]

p.272 Zoomracks II

This text-database manager features a unique visual interface.

[author : Tyler Sperry]

KERNEL

p.281 Computing at Chaos Manor: Puttering with Yin and Yang

Short-shrift time prompts a look at several products.

[author : Jerry Pournelle]

p.297 According to Webster: Processor Wars

Bruce considers the new Macs, the Access 386, and Professional Pascal.

[author : Bruce Webster]

p.317 Focus on Algorithms: Run-Length Encoding

This column premieres with a look at the simplest algorithm for compressing data.

[author : Dick Pountain]

p.321 Applications Only: AI, AI,Oh!

VP-Expert is an inexpensive expert-system program that actually works.

[author : Ezra Shapiro]

DEPARTMENTS

p.6 Editorial: Liberation and Fragmentation

p.16 Letters and Review Feedback

p.32 Chaos Manor Mail

p.37 Microbytes

p.45 What's New

p.65 Events and Clubs

p.68 Ask Byte

p.74 Circuit Cellar Feedback

p.81 Book Reviews

p.378 BOMB and Coming Up in BYTE

p.379 Editorial Index by company

p.381 Reader Service

BEST OF BIX

p.325 Macintosh

p.332 Atari ST

p.334 Amiga

LISTINGS

p.337 From BIX

From BYTEnet (617) 861-9764

On Disk or in print see card before 321