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Mail Archives: djgpp/2003/02/28/14:45:10

Message-ID: <3e5fb8c7$0$65242$cc7c7865@news.luth.se>
From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: Chaining Prot Mode Int From C
Newsgroups: comp.os.msdos.djgpp
References: <2f64dfca DOT 0302281119 DOT 61aacade AT posting DOT google DOT com>
User-Agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (NetBSD/1.5_BETA (alpha))
Date: 28 Feb 2003 19:30:15 GMT
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Tony Richardson <richardson AT evansville DOT edu> wrote:
: I want to chain to a protected mode ISR from my own
: ISR which is written in C, but I don't want to use
: _go32_dpmi_chain_protected_mode_interrupt_vector()
: (I want to run the default ISR every other time my
: ISR runs.)

: Is it possible to do this from C or do I need to do
: it from assembly?  I know that I can get the selector

No. You must use assembly. I've been looking for it too. I've been
thinking about making a
_go32_dpmi_chain_protected_mode_interrupt_vector_or_not_depending_on_return_value()
or otherwise suitably named but I haven't done any more than thinking
it would be good to have one.


Right,

						MartinS

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