[sdiy] Yamaha CS-60 issues

[Roman Sowa]

3 multiplexers, decoding/sequencing logic, counter, comparator and 8 
registers. Possibly doable with maybe 20 generic CMOS logic chips.

Roman

W dniu 2020-10-06 o 11:33, Adam Inglis (sdiy) pisze:
> 
> 
> Interesting points Mattias!
> 
> What exactly did these chips do that could not otherwise be done?
> 
> Tom described
> "pretty much a multiplexer-plus-some-bits”
> 
> but those “bits” must’ve been pretty important to Yamaha for them to 
> manufacture a custom chip!!
> and this, in the 1970’s!!!
> 
> A
>