[Coco] Disto SC add-ons

[Benoit Bleau]

Roger Taylor wrote:
> Does anyone know how in the heck the addon with the video chip is 
> supposed to output video or how it works?  The board also has a clock 
> chip which seems to be running even though the board is old.. you can 
> PEEK from BASIC and see the clock registers changing.  I do have the 
> register specs on the clock.  The video chip is a CRT9128. There's an 
> 11mhz crystal, HM6116LP-2 chip, 13x2 header, and 2x2 header.  I see no 
> other ID marks on the board other than the word "Disto" and two color 
> stickers on the back labeled "M" and "T".
>
> I see nothing in the Disto SC docs explaining the details of this 
> board, just a mention that it's one of the add-ons.
if I recall, I had one of these boards 15 years ago?  and it worked only 
with OS9. It required a driver to be installed.
I returned it to CRC computers, because it had a horrible wobble in the 
image.

-Benoit