To enable interrupts, set INTCON,GIE and set the mask bit for
whichever device you want to cause the interrupt, ie INTCON,T0IE
will cause an interrupt to occur when timer0 overflows. After the
interrupt occurs, the flag corresponding to the source will be
set, i.e. INTCON,T0IF and software must clear this flag.

PICs don't *require* interrupts to operate and I believe the global
interrupt enable bit INTCON,GIE is cleared at power-up.


ok..jef (k8jef)



On Tue, 29 Feb 2000, Andrew T Kelley wrote:

> Hello
>
> Could someone tell me how to turn on interrupts and when to turn them
> back on (if needed) in a 16f84?
>
> I need it to wake up a project from zzzz's.
>
> Thanks,
> Andrew K.
>
>         A.R.S. N1YEW
>
> PS: the device the pic is used in is a laser (!) communicator.( it uses
> morse code(aka CW) not voice )(the pic generates the 'dits' and 'dahs'
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Jeffrey D. Spears
University of Michigan
College of Engineering

``Double-E, can't spell gEEk without it!''
                        -Captain Gerald M. Bloomfield II, USMC
                         (my brother)