Vol.10 n°9 september 1985

Vol.10 n°9 september 1985

p.2 Contents

FEATURES

p.84 INTRODUCTION

p.86 CIARCIA'S CIRCUIT CELLAR: BUILD THE SB180 SINGLE-BOARD COMPUTER, PART I: THE HARDWARE

The SB180 is the 29-chip equivalent of a large S-100 system.

[author : Steve Ciarcia]

p.104 PROGRAMMING PROJECT: AN ANALYSIS OF SORTS

This article analyzes the efficiency of three sorting algorithms.

[author : Jonathan Amsterdam]

p.116 THE DSI-32 COPROCESSOR BOARD, PART 2: THE SOFTWARE

[author : Trevor G. Marshall, George Scolaro, David L. Rand, Tom King, and Vincent P. Williams]

The software environment for the DSI board lets it run both UNIX and MS-DOS applications.

p.129 AN ALGORITHM FOR DISK CACHING WITH LIMITED MEMORY

Several C routines execute an algorithm for efficient disk buffering in a limited memory space.

[author : Brian McKeon]

p.141 ASTROPHYSICAL NUMBER CRUNCHING

A Harvard astronomy professor reminisces about the various computers he's used since the fifties.

[author : A. G. W. Cameron]

p.154 TWO GENERALIZED FLOATING-POINT REPRESENTATIONS

Partitioned and variable-base representations are the two designs proposed here.

[author : David Salomon]

p.161 TURBO PASCAL DRIVES THE MOUSE

The procedure described lets you use the Microsoft Mouse with Borland's Pascal.

[author : John Figueras]

p.171 IBM COMPATIBILITY FOR THE NEC APC III

An operating-system patch and a few other alterations give the NEC APC III clone status.

[author : Herbert Stein]

p.183 PROGRAMMING INSIGHT: BUILD A TRAVESTY TREE

A tree data structure speeds up travesty generation.

[author : Peter Wayner]

p.193 PROGRAMMING INSIGHT: PRINTING PASCAL GRAPHICS

Dump Apple Pascal graphics to any Epson MX-series printer.

[author : Kelly W. Davis]

THEMES

p.226 INTRODUCTION

p.229 EGO: A HOMEBUILT CPU, PART I: THE SOFTWARE

The first in this two-part series covers the instruction set and software aspects of the EGO computer.

[author : Clifford Kelley]

p.247 THE QUARTER-MEG ATARI 800XL

Upgrade your 8-bit microprocessor to 256K bytes and add a RAM disk.

[author : Claus Buchholz]

p.257 A PARALLEL-TO-SERIAL PRINTER PORT ADAPTER

With this $35 adapter you can use your parallei port for serial devices.

[author : Howard Austerlitz]

p.263 ADD FUNCTION KEYS TO YOUR MICROCOMPUTER

Expand your parallel keyboard.

[author : Mark Hanslip]

REVIEWS

p.272 INTRODUCTION

p.275 REVIEWER'S NOTEBOOK

[author : Glenn Hartwig]

p.276 THE KAYPRO 16

A transportable IBM PC- and PC XT-compatible.

[author : Sieve McManon]

p.284 THE OSBORNE 3

A 12-pound system based on the 80C86.

[author : Donna Osgood]

p.291 WORDSTAR 2000

MicroPro makes changes to its classic.

[author : Malcolm C. Rubel]

p.297 XyWRITE II PLUS

A word processor written by some of the designers of Atex, with macro routines and programming capability.

[author : Rubin Rabinovitz]

p.305 FILEVISION

Data management with an emphasis on graphics.

[author : Scott L. Norman]

p.311 DB MASTER FOR THE MACINTOSH

Stoneware's database manager on another Apple.

[author : Jeffrey M. Jacques]

p.321 PARADISE MODULAR GRAPHICS CARD

A graphics board for color and monochrome monitors.

[author : Harry Krause]

p.325 THE RAMDISK-64

Speed for the Commodore.

[author : Warren Block]

p.331 KEYPORT 717

A programmable keyboard for the Apple II line.

[author : David L. Salahi]

p.335 REVIEW FEEDBACK

Readers respond to previous reviews.

KERNEL

p.344 INTRODUCTION

p.347 COMPUTING AT CHAOS MANOR: PCs, PERIPHERALS, PROGRAMS, AND PEOPLE

A new spreadsheet for the Mac prompts Jerry to look at the concept of integrated software.

[author : Jerry Pournelle]

p.382 CHAOS MANOR MAIL

Jerry's readers write, and he replies.

[author : Jerry Pournelle]

p.385 BYTE U.K.: SEVENTH ANNIVERSARY OF MICROCOMPUTING

Our U.K. correspondent brings us a brief history of computing in Great Britain.

[author : Dick Pountain]

p.395 BYTE JAPAN: A HISTORY OF JAPAN'S MICROCOMPUTERS

Bill takes a look at the progress of microcomputing from his part of the world.

[author : William M. Raike]

p.401 ACCORDING TO WEBSTER: WEST COAST FAIRE, MAC STUFF, AND THE AMIGA

A trip to the West Coast Computer Faire highlights Bruce's month.

[author : Bruce Webster]

p.409 MATHEMATICAL RECREATIONS: π, e, AND ALL THAT

This month's column looks at transcendental numbers.

[author : Robert T. Kurosaka]

p.416 CIRCUIT CELLAR FEEDBACK

Steve answers project-related queries from readers.

[author : Steve Ciarcia]

p.418 BYTELINES

News and speculation about personal computers.

[author : Sol Libes]

(Nucleus)

p.6 EDITORIAL: TEN GOOD YEARS

p.9 MICROBYTES

p.14 LETTERS

p.33 FIXES AND UPDATES

p.37, 431 WHATS NEW

p.44 ASK BYTE

p.54 CLUBS & NEWSLETTERS

p.57 BOOK REVIEWS

p.80 EVENT QUEUE

p.485 UNCLASSIFIED ADS

p.486 BYTE'S ONGOING MONITOR BOX, BOMB RESULTS

p.487 READER SERVICE