Aldi
You might want to look at the HCTL-2000, 2016 and 2020 Quadrature
Decoder/Counter Interface ICs from Hewlett Packard. It does a lot in
hardware and your pic has to read the 8 data lines and some other
pins. I can give you a sort description if you Email me direc.
Regards
Cassie

> Good day !
>
> Presently I'm doing a counter for my transformer winder machine using
> this 16C84.
> However, I need to determine the direction of the rotation in order to
> know the
> correct no. of turns by considering the addition and subtruction of
> turns which depends
> on the direction of the rotation of my motor.
>
> Can anybody  give an idea on the way to detect the direction of the
> motor in simplest
> manner or any.
>
> Thank you gentlemen!
>
> aldi.
>