🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: comp.os.msdos.programmer
Article #2645

Re: Turbo C Interrupt Question

#2645
From: Ralf.Brown
Date: Thu, 11 Oct 1990 12:08
12 lines
1174 bytes
In article <34729@cup.portal.com>, ekalenda@cup.portal.com (Edward John Kalenda) wrote:
}I may be wrong, but the way I do it is to look at the return address on the
}stack. By examining the instruction it points to (actually the instruction
}before) to see if it is an INT will tell me if it is hardware or software.

That isn't foolproof, of course.  The instruction prior to the interrupt
could end in "CD xx"....
--
UUCP: {ucbvax,harvard}!cs.cmu.edu!ralf -=- 412-268-3053 (school) -=- FAX: ask
ARPA: ralf@cs.cmu.edu  BIT: ralf%cs.cmu.edu@CMUCCVMA  FIDO: 1:129/3.1
Disclaimer?    |   I was gratified to be able to answer promptly, and I did.
What's that?   |   I said I didn't know.  --Mark Twain
Technical Details
Message-ID: <271460c8@ralf>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!b.gp.cs.cmu.edu!Ralf.Brown@B.GP.CS.CMU.EDU

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!pt.cs.cmu.edu!b.gp.cs.cmu.edu!Ralf.Brown@B.GP.CS.CMU.EDU
From: Ralf.Brown@B.GP.CS.CMU.EDU
Newsgroups: comp.os.msdos.programmer
Subject: Re: Turbo C Interrupt Question
Message-ID: <271460c8@ralf>
Date: 11 Oct 90 12:08:40 GMT
Sender: ralf@b.gp.cs.cmu.edu
Organization: Carnegie Mellon University School of Computer Science
Lines: 12
In-Reply-To: <34729@cup.portal.com>