WILLIAMS.ASC

Title: ROLL YOUR OWN DOS EXTENDER
Keywords: OCT90 NOV90 DOS DOS EXTENDER 80386 PROTECTED MODE

Complete source code for PROT, Al Williams' DOS extender, which
is published in two-parts in October 1990 (Listing One through
Three) and November 1990 (Listing Four through Seven) issue of
DDJ.


SCHULMAN.ASC

Title: OPENING OS/2'S BACKDOOR
Keywords: OCT90 OS/2 DEVICE DRIVER C ASM

Source code for Andrew Schulman's DEVHLP.SYS, a generic OS/2
device driver. Assembler code. Also includes C code for Arthur
Rothstein's sidebar ``Walking the OS/2 Device Chain.''


SWITZER.ASC

Title: CLOSING DOS'S BACKDOOR
Keywords: OCT90 DOS INT21 ASM

How to access DOS without going through the INT21 function
handler. ASM.


REAGEN.ASC

Title: RAM DISK DRIVER FOR UNIX
Keywords: OCT90 UNIX DRIVER

Source for Jeff Reagen's RAM disk driver for Unix that lets you
more efficiently manage /tmp files, reduce overhead associated
with file loading, and increase performance by using RAM as a
primary swap device. Developed on a 386 system with 4 Mbytes of
RAM running Unix System V/386 Release 3.2.


DUVANEKO.ASC

Title: OPTIMAL DETERMINATION OF OBJECT EXTENTS
Keywords: OCT90 GRAPHICS 3-D MIN/MAX

Source to more efficiently determine boundaries (extents) of 3-D
objects.


JARVIS.ASC

Title: IMPLEMENTING CORDIC ALGORITHMS
Keywords: OCT90


SCHATZ.ASC

Title: UNRAVELING OPTIMIZATION IN MICROSOFT C 6.0
Keywords: OCT90 C OPTIMIZATION


STEVENS.ASC

Title: C PROGRAMMING COLUMN
Keywords: OCT90 C

Source for Al Steven's C Programming Column. This month an
Al shares source code sent in by readers that implements a form
of class inheritance.


DUNTEMAN.ASC

Title: STRUCTURED PROGRAMMING COLUMN
Keywords: OCT90 MODULA-2 TIME/DATE ZELLER

Source code for Jeff Duntemann's implementation of Zeller's
Congruence and for a revised time-and-date stamp object.
Implemented with TopSpeed Modula-2.