Clear the T0IF then RETFIE and in the main loop, SLEEP.
The CPU will shit down and do nothing till the next interrupt.

On Sun, Oct 2, 2016 at 8:17 PM, Bob LeDoux <bobledoux@proaxis.com> wrote:

> This should be a simple problem, but I've missed the solution.
>
> I'm programming a 16F684 in assembler.
>
> TMR0 interrupts every 4 milliseconds-1:16 prescaler.  It is used to time
> data input.
>
> A branch of the program processes in a few microseconds.  I want the
> program to wait until the next interrupt occurs.
>
> If I don't clear the TOIF flag before the RETFIE instruction the interrup=
t
> repeats in a continuous loop.
>
> I could monitor TMR0 and wait until it reaches 0xff--that would be close
> enough.
>
> But there should be some other way.  Any ideas?
>
> --
> Bob LeDoux <bobledoux@proaxis.com>
> --
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