[Coco] Wanted: Hi Res Joystick Adapter

[Bill Pierce]

I think the switch part you are referring is to choose between the standard Tandy interface and the CocoMax III interface as this unit does both.
 
 
 
-----Original Message-----
From: Mark <mpacan at flutterball.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Wed, May 22, 2019 7:59 pm
Subject: Re: [Coco] Wanted: Hi Res Joystick Adapter

  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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