<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 6 Oct 2020, at 4:09 pm, Mattias Rickardsson <<a href="mailto:mr@analogue.org" class="">mr@analogue.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class=""><div class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Michael E Caloroso <<a href="mailto:mec.forumreader@gmail.com" target="_blank" rel="noreferrer" class="">mec.forumreader@gmail.com</a>> skrev:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Can you say "planned obsolescence"? I knew you could.<br class="">
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Yamaha is hardly alone. Korg and Roland used proprietary chips too.<br class=""></blockquote></div></div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">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.</div><div dir="auto" class=""><br class=""></div><div dir="auto" class="">Why would their plan be that it would go obsolete 50 years later?</div><div dir="auto" class=""><br class=""></div></div></div></blockquote><br class=""></div><div><br class=""></div><div>Interesting points Mattias!</div><div><br class=""></div><div>What exactly did these chips do that could not otherwise be done?</div><div><br class=""></div><div>Tom described</div><div>"<span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class="">pretty much a multiplexer-plus-some-bits</span><font color="#000000" class=""><span style="caret-color: rgb(0, 0, 0);" class="">”</span></font></div><div><span style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);" class=""><br class=""></span></div><div><font color="#000000" class="">but those “bits” must’ve been pretty important to Yamaha for them to manufacture a custom chip!!</font></div><div><font color="#000000" class="">and this, in the 1970’s!!!</font></div><div><font color="#000000" class=""><br class=""></font></div><div><font color="#000000" class="">A</font></div><br class=""></body></html>