Re: A92: Need Help to replace interrupt vectors

To: assembly-92@lists.ticalc.org
Subject: Re: A92: Need Help to replace interrupt vectors
From: Arno.Kizina@t-online.de (Arno Kizina)
Date: Wed, 11 Feb 1998 01:15:31 +0100
References: <v0211010ab0fb10103e0e@[206.149.127.65]> <v03110701b1064658532a@[134.157.81.172]>
Reply-To: assembly-92@lists.ticalc.org


Vincent Bernardi schrieb:
>
> I tried to use the way to redirect an interrupt vector used by David
> Ellsworth in gray4lib and suggested by him in "convert.txt" (see below),
> but when my program terminates, it always freeze the calc.
> By the way, the only thing my new interrupt vector do is branch to the old
> interrupt vector.
>
> 	move.w	#$0700,d0
> 	trap	#1
> 	move.l	$64,old_int_1
> 	bclr.b	#2,$600001
> 	move.l	#int_1,$64
> 	bset.b	#2,$600001
> 	trap	#1
>
> Thanks in advance,
> Vincent Bernardi
>
>
You should perhaps reinstall the old vector before terminating your program, 
would work without crash, I suppose		A.K.

References:

A92: BBS software

From: gussie@alaska.net (Grant Stockly)

A92: Need Help to replace interrupt vectors

From: Vincent Bernardi <bernardi@ibm4.cicrp.jussieu.fr>

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