[Coco] Eureka! I'm Running My Coco 3 with Drivewire 4 Server Finally! or I Found a Bug in HDBDOS v1.4 DW4 Coco 3!

[Darren A]

On Tue, Sep 17, 2013 at 4:22 PM, Tormod Volden wrote:

> On Tue, Sep 17, 2013 at 11:04 PM, Aaron Wolfe wrote:
> > IIRC, the sequence is supposed to be sent at 230k, and the server is
> > supposed to be at 115.
> > The result of this mismatch is static and detectable, and that is what
> > the server is looking for.
>
> I am curious to know how that works. The HDB-DOS code simply sends an
> $E6 byte at turbo speed. From what I can see the server simply checks
> for $E6 as well, but at the slower speed.
>
>
The CoCo sends an $E6 byte (lsb first) at turbo speed.  If the server is
running at the same speed as the CoCo then it receives $E6 and no change is
required.  If the server is running at half turbo speed then it will see
the $E6 byte as $FD.

Darren