Been there, tried that!!
It works fine but you have to write 0xFF to the timer 'cause it's the FF->00
that generates an interrupt!

Regards,
Johnny




Soren Knudsen wrote:

> Hi All!
>
> I have come up with the following idea: If using PORTA, 4 as source for the
> timer increement and at every finished INT write 0xFE tho the timer you have
> an alternative to PORTB, 0 pin INT.
>
> Is this right? -Or have I misunderstood something?
>
> Soren K
>
> drop by http://knudsen.cjb.net for contactinfo