Matthew

Almost certainly you have not cleared the interrupt cause flag . Usually you
clear the interrupt flag, sometimes (e.g. UART TX) you actually have to
disable the interrupt.

e.g. To clear Timer 0 interrupt flag

bcf INTCON,T0IF

Robin Abbott - robin.abbott@fored.co.uk

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----- Original Message -----
From: Mathew Cohen <mathew@EVERYTHINGIT.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: 30 October 1999 09:07
Subject: question on RETFIE instruction.


> Hi All,
>
> Why when I put the RETFIE instruction after my interupt routine does the
> program go bak and loop through the interupt routine over and over. I
> thought it should return the PC back to were it was before the interupt.
>
>
> Thanks in advance
>
> Mathew Cohen