[A83] Re: interrupt loop


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[A83] Re: interrupt loop




If you're using your own IM 2 routine, you have to DI to disable interrupts
at the beginning to prevent this..Then you EI at the end of your routine.

Michael Vincent
Detached Solutions - www.detacheds.com
Radical Software - www.radicalsoft.org

----- Original Message -----
From: "Tijl Coosemans" <tijl@ulyssis.org>
To: <assembly-83@lists.ticalc.org>
Sent: Tuesday, December 04, 2001 2:23 PM
Subject: [A83] Re: interrupt loop


>
> During an interrupt, interrupts are disabled, so you don't have to worry
> about that.
>
> ----- Original Message -----
> From: "SUCKER from the old days" <sucker_pvn@hotmail.com>
> To: <assembly-83@lists.ticalc.org>
> Sent: Tuesday, December 04, 2001 21:48
> Subject: [A83] interrupt loop
>
>
> >
> > What happens if a standalone interrupt program has
> > such a large piece of interrupt code that before it's
> > finished the z80 does another interrupt call? (So the loop restarts)
> >
> >          SUCKER
> >
> > _________________________________________________________________
> > Get your FREE download of MSN Explorer at
http://explorer.msn.com/intl.asp
> >
> >
>
>
>





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