Frank van Gilluwe produced a very similar book called "Undocumented PC;" it is
based heavily on Ralf Brown's work. The 2nd edition came out in 1997, but still
doesn't go much beyond DOS 5. This book comes with a 3 1/2" floppy containing
several code fragments that might be of interest to someone beginning to use
assembler. I would stay away from the 1st edition: there were several
significant errors.
Walt
Subject: Re: [Freedos-devel] documentation for FreeDOS filesystem or other
programming functions/interfaces?
To: freedos-devel@lists.sourceforge.net
Date: Monday, February 14, 2011, 10:51 AM
The book is called "Undocumented DOS", but was written around 1993 (2nd
Edition here). It contains material about MS-DOS 6.2, as well as
discussing predictions of the upcoming "Chicago" operating system (to
become Windows 95 and MS-DOS 7.00). Therefore it does not contain any
information about the Int21.73 interface or FAT32. Here's a link to
Amazon's description of the book, because apparently there's no Wikipedia
article about it:
http://www.amazon.com/Undocumented-DOS-Programmers-Structures-Programming/dp/020163287X
Regards,
Christian
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