Date: Fri, 28 Feb 1997 17:28:50 -0800 (PST) From: Jonathan Mini <mini@micron.efn.org> To: pgiffuni@fps.biblos.unal.edu.co Cc: Jonathan Lemon <jlemon@americantv.com>, emulation@freebsd.org Subject: Re: Status report of vm86/dos emulation (DOS info) Message-ID: <Pine.BSF.3.91.970228172609.22419A-100000@micron.efn.org> In-Reply-To: <Pine.A41.3.95.970227153137.4650A-100000@fps.biblos.unal.edu.co>
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On Thu, 27 Feb 1997 pgiffuni@fps.biblos.unal.edu.co wrote: > On Tue, 25 Feb 1997, Jonathan Lemon wrote: On the same subject -- I orginially joined this list via request by somebody or other for help with DOS internals. I know a considerable amount, and have even more documentation about DOS. I own listings for IBM bioses for the XT and AT. (it comes in handy, belive it or not) I also have done some work with DOS extenders, including djgpp's GO32, DOS/4GW and Phar Lap's extender, to name a few. IF you guys have any questions about DOS, or how DOS should act, let me know -- I unfortuntaly never have enough time to commit to working on code, but I cna answer almost anything. (or so i hope) > > I'm definitely not a DOS hacker, so I really don't know what to look at. I > > just bought the van Gilluwe book (Undocumented PC) but it only seems to cover > > some BIOS calls - is there a better book to look at? > > -- > Sorry for replying so late, I was out of the net for two weeks! > I found some interesting information on a WINE's developer page and other > sites: > > * Ralph Brown's Page: > "A comprehensive listing of interrupt calls, I/O ports, memory locations, > and far-call interfaces for IBM PCs and compatible machines, both > documented and undocumented. More than six megabytes of information in > ASCII text files! " > ftp://ftp.cs.cmu.edu/afs/cs.cmu.edu/user/ralf/pub/WWW/files.html > > *Partial source code of a msdos clone. > The source code looks like it could save a lot of experimentation as to > how dos works in bizarre situations. Note that the source code is > copyrighted. Do not copy code from there -- use it only for determining > how dos is supposed to work and recall that the author might have gotten > it wrong occasionally. > ftp://ftp.std.com/pub/rxdos/ > > *DOS extenders in the x2ftp archive (some interesting docs around, too) > ftp://x2ftp.oulu.fi/pub/msdos/programming/pmode > ftp://ftp.ibp.fr/pub/pc/x2ftp > > And finally, interesting, but not useful, there is the page for a 32 bit > DOS from Russia (commercial product): http://www.pts.mipt.ru/ > > Pedro. > > > > Jonathan > > > > Jonathan Mini (j_mini@efn.org) ... bleakness ... desolation ... plastic forks ...
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