Beneath Apple DOS (and Updated for Apple IIe)
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Beneath Apple DOS and Beneath Apple DOS Updated for Apple IIe originally for Apple II, Sixth Printing, January 1984
by Don Worth and Pieter Lechner published by Quality Software
is intended to serve as a companion to Apple's DOS manual, providing additional information for the advanced programmer.
The information presented here is a result of intensive disassembly and annotation of various versions of DOS.... it also draws from application notes, articles and discussions.
The evolution of DOS:
DOS 3 - 29 June 1978
DOS 3.1 - 20 July 1978 .... for Disk II
DOS 3.2 - 16 February 1979 .... long list of changes
DOS 3.2.1 - 31 July 1979 .... maintenance release
DOS 3.3 - 25 August 1980 ... hardware/software upgrade
DOS 3.3 - 1 January 1983 .... maintenance release
Chapter 1 INTRODUCTION
Chapter 2 THE EVOLUTION OF DOS Chapter 3 DISKETTE FORMATTING
Chapter 4 DISKETTE ORGANIZATION
Chapter 5 THE STRUCTURE OF DOS
Chapter 6 USING DOS FROM ASSEMBLY LANGUAGE
Chapter 7 CUSTOMIZING DOS
Chapter 8 DOS PROGRAM LOGIC
Appendix A EXAMPLE PROGRAMS
TRACK DUMP PROGRAM DISK UPDATE PROGRAM REFORMAT A SINGLE TRACK PROGRAM FIND TRACK/SECTOR LISTS PROGRAM BINARY TO TEXT FILE CONVERT PROGRAM Appendix B DISK PROTECTION SCHEMES
Platform: Apple II 48Kb RAM OS: Apple DOS 3 - 3.3 System Software (SS:) Apple DOS 3 - 3.3 Version: 3 - 3.3 Publisher : Quality Software Author : Don Worth and Pieter Lechner Format : Wire Bound Book This exhibit has a reference ID of CH66120. Please quote this reference ID in any communication with the Centre for Computing History. |