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Mail Archives: djgpp/1996/05/30/12:14:34

Date: Thu, 30 May 1996 19:03:51 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: Lennart Steinke <steinke AT zeus DOT adv-boeblingen DOT de>
Cc: djgpp AT delorie DOT com
Subject: Re: Interrupt keyword (clueless newbie)
In-Reply-To: <Pine.VUL.3.91.960530083532.8564F-100000@zeus.adv-boeblingen.de>
Message-Id: <Pine.SUN.3.91.960530185856.15866B-100000@is>
Mime-Version: 1.0

On Thu, 30 May 1996, Lennart Steinke wrote:

> but what is the "interrupt" keyword? I didn't find
> anything in the faq, the info files etc.

The FAQ *does* mention this keyword in section 18.9.  It is not explained
anywhere else in the docs because DJGPP doesn't recognize this keyword. 
Its meaning is explained in the docs of the other DOS compilers that
support this keyword.  Generally it tells the compiler to generate special
code at entry and exit to the functions declared with this attribute; 
this code is required by the way hardware interrupts work on MS-DOS.  See 
the above section of the FAQ for the explanation of how to do the same 
with DJGPP.

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