Re: Resurrecting the Apple I

[dsf@globalcrossing.net (Dan Foster)]

In article <qhbs402fvj.fsf@ruckus.brouhaha.com>,
Eric Smith  <eric-no-spam-for-me@brouhaha.com> wrote:
>
>The Apple ][ design, on the other hand, shows an absolutely remarkable
>amount of cleverness.  It took me a *long* time to fully understand the
>design of the system timing generation (the lower left corner of the
>large schematic) and why some things were done in a particular way.  For
>instance, why every 65th clock cycle is slightly longer than the others.
>But once I finally understood, I was in awe of Woz's design skill.

I've seen Woz's ingenuity in the other parts of the design so I'm not
surprised. But since you've gotten the better of my curiosity... ;)

So, why is the 65th clock cycle slightly longer than the others?

-Dan