Article View: comp.os.msdos.programmer
Article #171Re: Re-entrant Int 21?
From: Denis Beauregard
Date: Sat, 01 Aug 1992 15:38
Date: Sat, 01 Aug 1992 15:38
19 lines
1421 bytes
1421 bytes
In article <1992Jul31.064344.5173@cc-mac.nbn.com> dv@cc-mac.nbn.com (David Vezie) writes: >I have a very simple question, and need an answer. Is it possible >to write an interrupt handler for one of the Int 21 interrupts >(in this case, File Open and File Write), such that things >can be made re-entrant? In other words, can I write the handler >so that it can call a random Pascal unit that may do all kinds >of unknown things? And if so, how would I go about doing this? > >David Vezie dv@sonoma.edu,dv@xnet.ssl.berkeley.edu Perhaps, you can. But I presume 1) You will have to rewrite a good part of BIOS 2) You will have to do it in Assembly language -- \_\ Denis Beauregard * internet:beaurega@ireq.hydro.qc.ca / \ Genealogiste officiel : Beauregard/Jarret/Jarest/Vincent J __> Barthelemy Jarret (1471) -> Andre Jarret, sieur de Beauregard (1665) \_.-=== -> Denis Beauregard (1992) Opinions ? Et pis non !
Technical Details
Message-ID:
<BsBA3p.A9q@ireq.hydro.qc.ca>Path:
arc1-ca.pugleaf.net!sparky!uunet!bonnie.concordia.ca!hobbit.ireq.hydro.qc.ca!beauregaReferences:
<1992Jul31.064344.5173@cc-mac.nbn.com>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!bonnie.concordia.ca!hobbit.ireq.hydro.qc.ca!beaurega From: beaurega@ireq.hydro.qc.ca (Denis Beauregard) Newsgroups: comp.os.msdos.programmer Subject: Re: Re-entrant Int 21? Message-ID: <BsBA3p.A9q@ireq.hydro.qc.ca> Date: 1 Aug 92 15:38:13 GMT References: <1992Jul31.064344.5173@cc-mac.nbn.com> Sender: news@ireq.hydro.qc.ca (Netnews Admin) Organization: Institut de recherche d'Hydro-Quebec, Varennes, Canada Lines: 19