Hi all,

I have been working on a 16c74 design which uses many different interrupt
sources. My question is, what happens if another interrupt occurs while
an ISR is executing ?

I realise GIE is off during an interrupt service, but will the PIC
jump to the interrupt vector when it returns from the first interrupt
simply because is see's that another interrupt flag has been set?

Thanks in advance for any help!

Wayne.

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Wayne G Boyd
(Digital Sys. Eng.)
E-mail: wayne@jce.wintermute.co.uk
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