[stella] Driving controller multitap

Subject: [stella] Driving controller multitap
From: Glenn Saunders <mos6507@xxxxxxxxxxx>
Date: Tue, 24 Feb 2004 09:48:02 -0800
At 05:54 AM 2/24/2004, you wrote:
Forget asymetrical playfields...I think the truly worthy
project would be 4 player Indy using paddles. Might take some
tuning to get the sensitivity right (since actually, paddles are
more like a real car's steering wheel than the driving controllers,
it's just a better of making in insensitive enough that it has
a big "wheel is centered" sweetspot, but while keeping it
sensitive enough to be responsive)

This isn't even necessary. It should be possible to do a 4-player driving game with 4 driving controllers. Only two pins are necessary to read for each driving controller, the other two can be masked out. So with clever rewiring it should be possible to read off four driving controllers. For the extra buttons you could emulate the booster grip.

However, you just can't add in two cars to Indy 500 without completely changing the kernel. You'd need an intelligent flicker routine.

This controller scheme or something like it would work just as well with the Vectrex too, btw.

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