1987 13.03 1989

Vol.13 n°3 march 1988

Vol.13 n°3 march 1988

(byte_1988_03.jpg)

p.2 Contents

p.2 Contents

p.65 PRODUCTS IN PERSPECTIVE

p.65 PRODUCTS IN PERSPECTIVE

p.67 What's New

p.67 What's New

p.89 Short Takes

p.89 Short Takes

SideKick Plus, a major upgrade of Borland's TSR

Manuscript 2.0, Lotus 's word processor enhanced

Friendly Finder, a dBASE file-retrieval program

Focal Point, a Mac HyperCard application

PC WeatherPro, a weather monitor for your PC

Tech*Graph*Pad 2.1, a technical graphing program

REVIEWS

REVIEWS

p.102 Product Focus: Enhanced EGA and VGA Boards [author : Curtis Franklin Jr.]

p.102 Product Focus: Enhanced EGA and VGA Boards [author : Curtis Franklin Jr.]

Should you buy a VGA or will an enhanced EGA suffice for less money?

p.115 The Zenith Z-386 [author : Ed McNierney]

p.115 The Zenith Z-386 [author : Ed McNierney]

Zenith's powerful desktop provides outstanding performance and flawless compatibility.

p.121 NEC PowerMate 2 and HP Vectra ES/12 [author : John Unger]

p.121 NEC PowerMate 2 and HP Vectra ES/12 [author : John Unger]

Two 80286-based AT compatibles that offer high performance and excellent expansion capability.

p.127 The Tandy 1400 LT [author : David Satz]

p.127 The Tandy 1400 LT [author : David Satz]

A low-cost, lightweight laptop with good performance.

p.134 Screening Macintosh II Color Monitors [author : Joel West and Neil Rhodes]

p.134 Screening Macintosh II Color Monitors [author : Joel West and Neil Rhodes]

Three monitors that take advantage of the Mac II's flexible display capabilities .

p.139 Pushing the Mac SE [author : Laurence H. Loeb]

p.139 Pushing the Mac SE [author : Laurence H. Loeb]

A look at two accelerator boards: Do they really double the Mac SE's processing power?

p.145 Trilogy: A New Approach to Logic Programming [author : Alex Lane]

p.145 Trilogy: A New Approach to Logic Programming [author : Alex Lane]

An alternative to Prolog with windows and other interesting twists.

p.155 Excel Extraordinaire [author : Rich Malloy]

p.155 Excel Extraordinaire [author : Rich Malloy]

Microsoft's successful Macintosh spreadsheet shines on the IBM PC AT.

p.157 Microsoft Works [author : Nicholas M. Baran]

p.157 Microsoft Works [author : Nicholas M. Baran]

The flexible exchange of data is this package's real strength.

p.162 Reflex Plus for the Macintosh [author : Charles Spezzano]

p.162 Reflex Plus for the Macintosh [author : Charles Spezzano]

Reflex has evolved into this faster and easier relational database manager.

COLUMNS

COLUMNS

p.169 Computing at Chaos Manor: Transparent Conversions? Hah! [author : Jerry Pournelle]

p.169 Computing at Chaos Manor: Transparent Conversions? Hah! [author : Jerry Pournelle]

A look at QuickBASIC 4.0 and Turbo BASIC, and Jerry presents his awards for 1987.

p.187 Applications Only: Annual Revelations [author : Ezra Shapiro]

p.187 Applications Only: Annual Revelations [author : Ezra Shapiro]

Ezra's yearly look at the products he uses.

p.195 IN DEPTH: Floating-Point Processing

p.195 IN DEPTH: Floating-Point Processing

p.196 Introduction

p.196 Introduction

p.197 Avoiding Coprocessor Bottlenecks [author : by Mauro Bonomi]

p.197 Avoiding Coprocessor Bottlenecks [author : by Mauro Bonomi]

Memory mapping helps overcome bandwidth problems between the CPU and floating-point coprocessor.

p.205 The Intel 80387 vs. The Weitek 1167 [author : Tom Thompson]

p.205 The Intel 80387 vs. The Weitek 1167 [author : Tom Thompson]

p.207 Programming the 80387 Coprocessor [author : Prakash Chandra]

p.207 Programming the 80387 Coprocessor [author : Prakash Chandra]

A look at the key differences between this floating-point unit and the earlier 8087 and 80287.

p.217 Floating-Point Survival Kit [author : Pete Wilson]

p.217 Floating-Point Survival Kit [author : Pete Wilson]

An overview of floating-point arithmetic, standards, benchmarks, and high-performance designs.

p.229 How to Get Better Floating-Point Results [author : Carl Byington]

p.229 How to Get Better Floating-Point Results [author : Carl Byington]

A look at the trade-offs involved in emulating floating-point hardware, and the implications for programmers.

p.238 Resource Guide

p.238 Resource Guide

p.241 FEATURES

p.241 FEATURES

p.243 Ciarcia's Circuit Cellar: The BCC180 Multitasking Controller Part 3: Memory Management and Windowing [author : Steve Ciarcia]

p.243 Ciarcia's Circuit Cellar: The BCC180 Multitasking Controller Part 3: Memory Management and Windowing [author : Steve Ciarcia]

The BCC 180's multitasking BASIC compiler can operate on a variety of hardware.

p.249 Better Bit-Mapped Lines [author : Jerry R. Van Aken and Carrell R. Killebrew Jr.]

p.249 Better Bit-Mapped Lines [author : Jerry R. Van Aken and Carrell R. Killebrew Jr.]

Bresenham's line algorithm provides a quick way for your computer to draw a straight line.

p.255 Focus on Algorithms: Multicolumn Paged Text [author : Dick Pountain]

p.255 Focus on Algorithms: Multicolumn Paged Text [author : Dick Pountain]

This program will help you to explore desktop-publishing software technology.

p.265 It's All in the Symbols [author : Merrill Cornish]

p.265 It's All in the Symbols [author : Merrill Cornish]

We are beginning to suspect that the "things" that can be represented by numbers might be in the minority.

p.273 System Calls in Modula-2 [author : Richard Rankin]

p.273 System Calls in Modula-2 [author : Richard Rankin]

Pascal's successor gives you easy control over your PC's BIOS and DOS functions.

DEPARTMENTS

DEPARTMENTS

p.6 Editorial: Not Just for the Macfaithful

p.6 Editorial: Not Just for the Macfaithful

p.11 Micro bytes

p.11 Micro bytes

p.22 Letters

p.22 Letters

p.34 Chaos Manor Mail

p.34 Chaos Manor Mail

p.38 Ask BYTE

p.38 Ask BYTE

p.42 Circuit Cellar Feedback

p.42 Circuit Cellar Feedback

p.51 Book Reviews

p.51 Book Reviews

p.323 Coming Up in BYTE

p.323 Coming Up in BYTE

READER SERVICE

READER SERVICE

p.322 Editorial Index by Company

p.322 Editorial Index by Company

p.325 Alphabetical Index to Advertisers

p.325 Alphabetical Index to Advertisers

p.327 Index to Advertisers by Product Category

p.327 Index to Advertisers by Product Category

Inquiry Reply Cards: after 328

Inquiry Reply Cards: after 328

PROGRAM LISTINGS

PROGRAM LISTINGS

From BIX: see 278

From BIX: see 278

From BYTEnet: call (617) 861-9764

From BYTEnet: call (617) 861-9764

On disk or in print: see card after 296

On disk or in print: see card after 296