On Fri, 24 Sep 2004, Vintage Computer Festival wrote:
> On Fri, 24 Sep 2004, Paul Koning wrote:
>
> > sending of ball hitting paddle or wall is done with contacts in the
> > mechanism, not with the logic itself. So the relay control has to
>
> Perhaps I read it wrong but the PONGMECHANIK uses logic to determine when
> the ball has hit a paddle or wall.
>
> "Element 2: The movements of ball and racquet, as well as the collision
> detection take place in a metal chassis under the glass cover. Each moving
> game compoent has a mechanical counterpart, which is moved by electric
> motors. When these parts collide, contacts are closed and the relays in
> the computer switch the direction of rotation of the motors."
Hmm, upon further ponderance it seems like there is a combination of
mechanical contact and logic.
--
Sellam Ismail Vintage Computer Festival
------------------------------------------------------------------------------
International Man of Intrigue and Danger http://www.vintage.org
[ Old computing resources for business || Buy/Sell/Trade Vintage Computers ]
[ and academia at www.VintageTech.com || at http://marketplace.vintage.org ]
Received on Fri Sep 24 2004 - 14:55:17 BST