May19:91 - PROGRAMMING WITH COPROCESSORS


FEATURES

A COPROCESSOR FOR A COPROCESSOR
by Warren Davis and Kan Yabumoto

When fast graphics aren't fast enough, the TL 34020 graphics coprocessor employs its own coprocessor--the 34082 FPU--for even higher system performance.

ADDING THE POWER OF DSP TO YOUR APPLICATIONS
by Jim Bittman

Jim implements the Fast Fourier Transform to show that when it comes to speed, digital signal processing can make a difference.

GETTING NUMERIC COPROCESSORS UP TO SPEED
by John H. Letcher

Memory-mapped math coprocessors can boost performance without sacrificing compatibility.

PORTING UNIX TO THE 386:THE INITIAL ROOT FILESYSTEM
by William Frederick Jolitz and Lynne Greer Jolitz

Bill and Lynne describe the 386BSD root filesystem, a key component of kernel development.

IMPLEMENTING THE GPIB
by Don Morgan

Don implements IEEE 488.1 functionality by building an embedded system using the TMS9914A.

A FAST PSEUDO RANDOM NUMBER GENERATOR
by W. L. Maier

The r250 algorithm uses a 250-element array to generate pseudo random numbers faster than better-known techniques.

EXAMINING ROOM

MAKING SMALLTALK WITH WIDGETS
by Kenneth E. Ayers

Widgets/V 286 extends the Smalltalk/V 286 environment by providing alternative classes to the standard Smalltalk user interface components.

PROGRAMMER'S WORKBENCH

ARRAY BOUNDS CHECKING WITH TURBO C
by Glenn Pearson

Add array bounds checking to your Turbo C applications using DOS extenders and the techniques Glenn describes here.

COLUMNS

PROGRAMMING PARADIGMS
by Michael Swaine

Windows and the Windows Conference are the subjects of this months ruminations.

C PROGRAMMING
by Al Stevens

Al launches D-Flat, a CUA-compliant C library.

STRUCTURED PROGRAMMING
by Jeff Duntemann

Designing good communications software requires knowing the hardware.

GRAPHICS PROGRAMMING
by Michael Abrash

Last month, Michael introduced Edsun's CEG/DAC. This month, he puts it to work.

PROGRAMMER'S BOOKSHELF
by Andrew Schulman

C++ books have come a long way, and Andrew looks at the best of the bunch.

DEPARTMENTS

EDITORIAL
by Jonathan Erickson

LETTERS
by you

SWAINE'S FLAMES
by Michael Swaine

PROGRAMMER'S SERVICES

OF INTEREST
by Jana Custer


Copyright © 1991, Dr. Dobb's Journal