1982 8.04 1984

Vol.8 n°4 (#78) april 1983

Vol.8 n°4 (#78) april 1983

(ddj_1983_04.jpg)

p.6 Editorial (p.165 in reprint volume 8)

p.6 Editorial (p.165 in reprint volume 8)

#Edito

TABLE OF CONTENTS

ARTICLES

ARTICLES

p.14 RECLAIM — File Reclamation Utility for Destroyed Directories (p.170 in reprint volume 8)

p.14 RECLAIM — File Reclamation Utility for Destroyed Directories (p.170 in reprint volume 8)

[author : Walter V. Murphy]

Ever started formatting a disk, only to remember that it contained important files? Or had a runaway program run over your directory? All is not lost! With RECLAIM you can get those files back.

p.24 Binary Magic Numbers (p.176 in reprint volume 8)

p.24 Binary Magic Numbers (p.176 in reprint volume 8)

[author : Edwin E. Freed]

There are certain integers for each number base that have special or unusual properties. Author Freed discusses how binary “magic numbers” can be very helpful to programmers.

p.38 An 8080 fig-FORTH Directory and File System (p.184 in reprint volume 8)

p.38 An 8080 fig-FORTH Directory and File System (p.184 in reprint volume 8)

[author : Alfred J. Monroe]

This Forth program overlays a directory-and-file system onto Fig-Forth for North Star DOS. Forth code makes the program highly portable.

p.55 SAY "Forth Votrax Driver" (p.194 in reprint volume 8)

p.55 SAY "Forth Votrax Driver" (p.194 in reprint volume 8)

[author : C. Kevin McCabe]

Designing software to interface your system to such things as a Votrax speech synthesizer can be difficult with conventional languages such as BASIC. Forth’s modularity and expandability prove useful in the interface presented here.

p.60 A TRS-80 to 8080 Translator (p.198 in reprint volume 8)

p.60 A TRS-80 to 8080 Translator (p.198 in reprint volume 8)

[author : Anthony T. Scarpelli]

Working from Robert W. Dea’s original translator (published in DDJ No. 45), author Scarpelli has produced a Microsoft BASIC version that is faster and comes with a flowchart.

DEPARTMENTS

DEPARTMENTS

p.6 Letters (p.165 in reprint volume 8)

p.6 Letters (p.165 in reprint volume 8)

p.9 CP/M Exchange (p.167 in reprint volume 8)

p.9 CP/M Exchange (p.167 in reprint volume 8)

[author : Gene Head]

Part Two of CP/ M disk I/O

p.76 Dr. Dobb’s Clinic (p.212 in reprint volume 8)

p.76 Dr. Dobb’s Clinic (p.212 in reprint volume 8)

[author : Dave Cortesi]

Disk Drives Us Crazy, Counts and Measures, Working on CP/M Plus with RMAC and LINK 80

p.79 16-Bit Software Toolbox (p.214 in reprint volume 8)

p.79 16-Bit Software Toolbox (p.214 in reprint volume 8)

[author : Ray Duncan]

Reflections on CP/M 83, Intel 8087 News, Preview of CP/M-68K, Improved Square Root Routines

p.83 Software Review: "Unica and XM-80" (p.218 in reprint volume 8)

p.83 Software Review: "Unica and XM-80" (p.218 in reprint volume 8)

[author : Michael Favitta]

p.86 Of Interest (p.221 in reprint volume 8)

p.86 Of Interest (p.221 in reprint volume 8)

[author : Michael Wiesenberg]