Years ago, I ran a set of wires inside the machine to allow the joystick to simply plug in an Atari joystick.
When I get home, I'll refer to my notes from the mid 1980's to see what I did. Doug On Wed, 24 Sept 2025, 1:01 pm Mike Stein, <[email protected]> wrote: > Couldn't you just scan the printer port looking for 1 out of 8 switch > closures?. > > m > > On Tue, Sep 23, 2025 at 9:42 PM Scott McDonnell <[email protected]> > wrote: > >> I am back to thinking about a joystick for the Model 100. I have a >> specific reason in mind and even a specific joystick. >> >> My intent is to target the Atari/Commodore 64 digital joystick interface >> mainly because my inspiration is the Suncom Icontroller which mounts to >> the side of the machine. >> >> This interface is a series of 5 discrete switches to control direction >> and a fire button. Very basic. >> >> While the parallel port would have been ideal for something like this, >> it is not bidirectional and offers only two inputs. >> >> The serial port provides 3 inputs; still not enough >> >> While some multiplexing strategies might allow this to work, both of >> those ports are also often used for other important purposes. >> >> So I started thinking about the barcode port. It only has one input, but >> the joystick could be encoded into a serial stream. Maybe even using the >> original barcode drivers. I don't know the specifics of the BCR >> implementation here, but often they are just keyboard wedges. >> >> Any thoughts on this or a better solution? >> >> >>
