Re: Gottlieb / Q*bert scripts for the 9010A/9100

From: Zonn <zonn_at_zonn.com>
Date: Wed May 08 2002 - 20:32:15 EDT

On Wed, 8 May 2002 20:02:04 -0400, "Kev" <KKlopp@erols.com> wrote:

>
>
>>There is hardware for running an HP signature in the 9010a. I found this in
>the
>>service manual (page 4 of 4 of the main board schematic, or something like
>that,
>>there was no page number). Included in the calculation was a counter that
>>counts the number of high to low transitions made by the incoming data
>>bitstream.
>>
>
>Is this the Async clock module? (where you looking at the PDF from spies or
>do yo have a schematic?)

Yes, the one from spies. It's a small circuit all by itself on the page, and
the bottom right corner of the page says "sh 4 of 4". You can recognize it by
all the xor gates.

-Zonn
Received on Wed May 08 17:54:23 2002

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