[Coco] MC-10 Joystick Interface

[Charlie]

I have converted an Atari 2600 controller for the MC-10 that uses the serial 
port. It is only 2 directions and a fire button.
I have converted all of my games and a bunch of others to use the stick and 
they are lots of fun to play with.

That interface you have there looks excellent. However with no 16K ram pack 
in your MC-10 what can you really load up anyway?

:)

-Charlie

"Torsten Dittel" <Torsten at Dittel.info> wrote in 
message news:45DA02D2.F447D4EA at Dittel.info...
> Here's what I figured out about the MC-10 Joystick interface.
>
> PCB view:
>
> http://www.sinu.info/misc/mc10ji_1.jpg
> http://www.sinu.info/misc/mc10ji_2.jpg
> http://www.sinu.info/misc/mc10ji_3.jpg
>
> Connector:
>
> (1) (2) (3) (4) (5)
>
>  (6) (7) (8) (9)
>
> 1 = Up
> 2 = Down
> 3 = Left
> 4 = Right
> 6 = Fire
> 8 = GND
>
> Adresses:
>
> Right Joystick: $BF30
> Left  Joystick: $BF34
>
> Bits ( = 0 if connected to GND, otherwise = 1):
>
> | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
> +---+---+---+---+---+---+---+---+
> | X | X | X | F | R | L | D | U |
>
> 4 = Fire
> 3 = Right
> 2 = Left
> 1 = Down
> 0 = Up
>
> Looks like the interface can be easily used to watch the state of 10
> switches.
>
> Regards,
> Torsten
>
>
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