DRIVING
CONTROLLER
The heart of the driving controller is
a
switching device that generates
a
full two-bit
gray code for
each
quarter turn of the controller knob. The output of both the gray
code generator and the pushbutton switch is detected by the
6532,
causing the program
to
respond accordingly. Unlike
the
non-linear resistive game paddles, the driving
controller gives
the
user precise linear positional control over the complete turning
range
of
the
knob. As with the
game
paddles, there is
a
simple push-to-make
~ushbutton switch located on
the
side
of
the controller.
The
driving controller
assembly is illustrated in Figure
7-5;
the
seL-.:
:-..?tic
in Figure
7-6.
Figure
7-5.
Driving Controller
-
2600/2600A
Domestic
VCS
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