Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!hp-pcd!hpspkla!dubner
From: dubner@hpspkla.spk.hp.com (Joe Dubner)
Newsgroups: comp.os.msdos.programmer
Subject: Re: How to make device drivers
Message-ID: <6060005@hpspkla.spk.hp.com>
Date: 15 Feb 91 15:35:21 GMT
References: <1991Feb15.021901.13855@Neon.Stanford.EDU>
Organization: Hewlett Packard Company, Spokane, Wa.
Lines: 16

>              I just found a public domain device driver source in
> assembly language.  Could you tell me how to assemble this thing to
> create a device driver with a .sys extension?  

In a nutshell, a device driver is similar to a .COM file but the ORG is
at 0h instead of 0100h.  So after you compile and link it, pass it
through EXE2COM (freeware) or EXE2BIN (comes with some versions of
MS-DOS), and rename the resultant binary file with a .SYS extension.

... Joe

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Joe Dubner     K7JD  |  Hewlett Packard Company  |  dubner@hpspkla.HP.COM
                     |  TAFC-34         M.S. 2I  |   (509) 921-3514 
                     |  Spokane, WA  99220       |
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