[Coco] Wanted: Hi Res Joystick Adapter

[Mark]

   Thanks Mark O for the hi res joystick schematic,
   I can follow most of it and think I can eventually replicate it, but I
   cannot follow what is being shown on the bottom part of the schematic,
   in particular:
   <http://aaronwolfe.com/robert.gault/Coco/FAQs/HiJoystick/Joystick2.gif>
   A) what are the 9 Dots at the bottom of the schematic for? Is that
   supposed to be representing a switch? Why is it even there, Really
   stumping me...
   B) Also what are the Blue "#1" and Blue "#2", off the Lm3900m supposed
   to be connected too? The cassette or joystick port or nothing or both?
   I still learning schematics, i get capacitors, resistors, etc, but the
   above two things don't make sense to me.
   Thanks in advance
   Mark
   On May 22, 2019 1:39 AM, "Mark D. Overholser" <marko555.os2 at gmail.com>
   wrote:

     On 5/21/19 1:59 PM, Mark wrote:
     >     Camillus,
     >     Yes it's the one that plugs into the joystick and cassette
     port that
     >     I'm looking for.
     >     I have searched the web and found that in 2007  a software
     driver
     >     solution was created (by John Kowalski, Robert Gault  and Nick
     >     Marentes) that using a machine language routine you could
     dramatically
     >     increase the resolution, but this is not compatible with
     older/existing
     >     programs, but could be coded for future work.
     >     Never found any schematics to create a hardware version.
     >     If you happen to find an extra one that would be amazing
     >     Mark
     >

     Here is a Schematic from Robert Gault's CoCo FAQ
     <http://aaronwolfe.com/robert.gault/Coco/FAQs/HiJoystick/Joystick2.g
     if>

     From this page:
     <http://aaronwolfe.com/robert.gault/Coco/FAQs/Hresjoy.htm>

     MarkO

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