On 2/2/25 17:07, Christian Kennedy via cctalk wrote: > I am reminded of the Regitel system, a POS system from the early > 1970's. We ran 64 model 33's off of a three-or-four board Regitel mux > on a Nova 800; you'd basically load a bunch of registers with the > current bit for each port and it would bang them out; input was the > reverse. It was on the processor to the requisite mask-and-shift > operations to get the bits to the right place.
Exactly what else (other than bit-bang serial) did people think that the 8085 SID/SOD pins were intended for? --Chuck
