31 Jul
2004
31 Jul
'04
7:13 a.m.
On Fri, 30 Jul 2004, Dwight K. Elvey wrote:
Hi
Does anyone have any data books with the specs
and signals for Rockwell's 4 bit processors that
they made during the late 70's? These were in a
funny flat pack called spider chips.
Dwight
If those are PPS-4s, they were used in some early pinball machines, you might
google for pinball PPS-4, maybe there is a schematic available...
Peter Wallace