I just wrote:

> be SURE that:
> ....
> 3.  An interrupt is corrupting the register in question.

    Uhh... That should have been "An interrupt ISN'T corrupting
    the register".

    -Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
=== http://www.geocities.com/SiliconValley/2499