> -----Original Message-----
> From: Microchip [SMTP:microchip@VANZO.IT]
> Sent: Wednesday, February 12, 2003 6:54 AM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      RETFIE or enable GIE
>
> hello,
> if I can ask.
> when I use the interrupt service at ORG 0x04
> to see if there is incoming data on the RX, can I
> just test the bit RCIE at 0x04, jump to the part
> of the program that works with the data and enable
> GIE or do I have to return to the interrupt service
> and use RETFIE. It would be important for me to stay
> there and do some calculations on the data recieved
>
> thank you
>
> Stefano Vanzo
>
You should use either RETFIE or RETURN from the interrupt otherwise you will
get a stack overflow.

Mike

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