Re: A92: PLEASE ! > HELP ! Interrupt & stack ! PLEH <

To: assembly-92@lists.ticalc.org
Subject: Re: A92: PLEASE ! > HELP ! Interrupt & stack ! PLEH <
From: fi97 Guillaume POTHIER <guillaume.pothier@eleve.emn.fr>
Date: Thu, 29 Jan 1998 12:58:44 +0100
cc: gpothier@eleve.emn.fr
In-reply-to: Your message of "Wed, 28 Jan 1998 20:25:43 +0100." <01BD2C2A.F7930D20@rou6-237.abo.wanadoo.fr>
Reply-To: assembly-92@lists.ticalc.org


> 
> I have an other question... Is the CCR register destroyed by the interrupt routine ? Because If it break the program just after a 'cmp', it could crash the program. If it is destroyed, how could I do to save it and then restore it, since the 'move from CCR' doesn't work on the 68000.
> 
When an interrupt is called, sr is pushed on the stack, and it is poped when 
you return by RTE. And ccr is a part of sr if I don't mix everything.

References:

Re: A92: PLEASE ! > HELP ! Interrupt & stack ! PLEH <

From: Famille SCHERRER <p.c.Scherrer@wanadoo.fr>

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