What do you mean by 'interfering' ? What happens the the 'normal' code ?

I cannot give you an 18F specific answer but there are many things that
can go wrong, for example, if both
Access the same resource (I/O, memory variable, etc) at the same time
(unless it is done right), the interrupt routing cause stack overflow,
etc.

Tal

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Silvio Baccari
> Sent: Wednesday, May 07, 2003 4:04 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [PIC]: Interrupt routin interferes with normal execution!
>
>
> I'm using C18 compiler with 18F452 , but some time the
> execution of interrupt conflict with execution of the
> "normal" code not in the ISR. I have used the directive:
>
> #pragma interrupt high_isr save =
> PRODL,PRODH,BEXP,AEXP,AARGB0,AARGB1,AARGB2,AARGB3,BARGB0,BARGB
> 1,BARGB2,BARGB3
>
> Is there another solution for this type of problem?
>
> Silvio
>
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