From mboxrd@z Thu Jan 1 00:00:00 1970 From: unix@deranged.schneider.org (Rik Schneider) Date: Wed, 19 Apr 2017 21:32:16 -0700 Subject: [TUHS] Zilog Z80 Unix In-Reply-To: <20170420030913.A3CDF124AEAA@mail.bitblocks.com> References: <19663.1492652562@cesium.clock.org> <20170420030913.A3CDF124AEAA@mail.bitblocks.com> Message-ID: Cromix was the name of Cromenco's Unix Like OS. http://www.classiccmp.org/dunfield/crom/cromix.jpg On Wed, Apr 19, 2017 at 8:09 PM, Bakul Shah wrote: > On Wed, 19 Apr 2017 18:42:42 PDT "Erik E. Fair" wrote: >> I have a memory of having seen a Zilog Z-80 (not Z8002 like the Onyx) based = >> Unix, possibly v6, at a vendor show or conference - perhaps the West Coast = >> Computer Faire (WCCF) in the late 1970s or early 1980s. >> >> I recall asking the people in the booth how they managed without an MMU, and >> don't recall their answer. I do remember thinking that since Unix had "grown >> up" with MMUs to stomp on obvious pointer mistakes, the software ought to be >> relatively well-behaved ... you know: not trying to play "core war" with = >> itself? >> >> I searched the TUHS archives cursorily with Google to see if this has been >> previously mentioned, but pretty much all Z80 CPU references have for its use >> in "smart" I/O devices back in the day. >> >> Does anyone else remember this Z80 Unix and who did it? Or maybe that it was >> a clone of some kind ... ? >> >> looking for a little history, >> >> Erik Fair > > You may be thinking of Cromemco.