Yes.  The only thing you then have to worry about is that an interrupt
could fire multiple times, but it will only run the interrupt handling
routine once.

Each interrupt source has a flag which indicates whether the interrupt
has triggered or not.  Once the flag is set, it's set until you clear it
in the interrupt code.  When you clear GIE, it will ignore those flags.
When GIE is set it will constantly interrupt until all those flags are
cleared.

So if an interrupt triggers multiple times when GIE is off, it only has
one bit saying it's fired, not how many times it's fired.

I doubt this'll be an issue in your code, but it's good to know for
future projects.

Also, some processors indicate that you should clear GIE in a loop -
there is one condition where GIE will be set again if an interrupt
occurs while the BCF GIE is taking place:
loop
   clear GIE
   If GIE is set, goto loop
    ' Protected code
   Set GIE

I hope this helps!

-Adam

Marcel van Lieshout wrote:

>Thank you all for the answers. Is it correct to state that interrupts that
>occur during the no-interrupt-period will fire the interruptroutine as soon
>as the GIE bit is set again? Reading the datasheet I would expect this to be
>the case, but it is not explicitly written.
>
>Marcel
>
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