Re: 2 joysticks

[Michael J. Mahon <mjmahon@aol.com>]

Lukazi <lukazi@hotmail.com> wrote:
> On Sep 7, 4:09 am, KP <kjpm...@gmail.com> wrote:
>> How do you split the Apple II joystick port to allow 2 joysticks in
>> one Apple II?
> 
> Why do you want to connect two analog joysticks? To play multiplayer
> games or for something that you are developing yourself? If it is for
> multiplayer Joyport games then you will need digital joysticks instead
> (they use the annunciator pins on the 16 pin game port).
> 
> The only game that I am know of that supports two analog joysticks (on
> the IIGS anyway) is Superstar Ice Hockey. I had planned to build an
> adaptor to do this one day. Does anyone know how the pushbutton lines
> are split between the two joysticks (my guess would be PB0 for either
> button on Joystick 1 and PB1 for either button on Joystick 2)? Is the
> third pushbutton (ie Pushbutton 2) used at all since it is only really
> usable on the IIGS model?
> 
> Does anyone know why using two analog joysticks was not readily used?
> I think I read somewhere that it would have made game play very slow.
> 
> If I can find out the best way to slit the pushbutton lines then I'll
> make some up for sale.

Actually, 3 pushbuttons are easily supported on all 16-pin game-ported
Apple II's. It's the fourth pushbutton that is present only on the IIgs. 

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon