Re: Why did Woz use the long cycle?

["Bryan Parkoff" <nospam@nospam.com>]

> VA already toggles every line.  It counts just as /HPE is asserted, and 
> then holds it's own value as the horizontal counter is preset.  VA isn't 
> preset when vertical preload occurs, but since there is an even number of 
> vertical cycles, it doesn't need to be preset at that point, either.
>
> Jim Salter's schematic in his book is mistaken when it connects /HPE to VA 
> and the VA preset line.  /HPE is not connected to either.

    Are you sure that it is Understanding Apple II+ book?  Which page did 
Jim Sather make mistake to connect HPE to VA.

Bryan Parkoff