[sdiy] Yamaha CS-60 issues

[Adam Inglis (sdiy)]

> On 6 Oct 2020, at 4:09 pm, Mattias Rickardsson <mr at analogue.org> wrote:
> 
> Michael E Caloroso <mec.forumreader at gmail.com <mailto:mec.forumreader at gmail.com>> skrev:
> Can you say "planned obsolescence"?  I knew you could.
> 
> Yamaha is hardly alone.  Korg and Roland used proprietary chips too.
> 
> They were at the forefront, commercial chips didn't provide the needed functionality, proprietary chips solved it and could also keep the intellectual property safer.
> 
> Why would their plan be that it would go obsolete 50 years later?
> 


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

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