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Date: | Wed, 22 Jul 1998 11:09:49 +0300 (IDT) |
From: | Eli Zaretskii <eliz AT is DOT elta DOT co DOT il> |
To: | yannick DAGUILLON <yannick DOT daguillon AT holydis DOT com> |
cc: | djgpp AT delorie DOT com |
Subject: | Re: hardware interrupt |
In-Reply-To: | <01bdb4ae$f7f6d5a0$9805a8c0@stg1> |
Message-ID: | <Pine.SUN.3.91.980722110808.10941E-100000@is> |
MIME-Version: | 1.0 |
On 21 Jul 1998, yannick DAGUILLON wrote: > Does anybody knows how can i hook the handler of an hardware interrupt ? I suggest to begin by reading section 18.9 of the DJGPP FAQ list (v2/faq210b.zip from the same place you get DJGPP). It explains some of the basics. > void my_IRQ5_handler(void) > { > asm("mov $0x20,%dx"); > asm("mov $0x20,%al"); > asm("out %al,%dx"); > asm("iret"); > } > > but it don't works :( How exactly does it fail?
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