Unix for 8080/Z80? [Re: WooHoo!! PC/XT Unix anyone?]

From: Allison J Parent <allisonp_at_world.std.com>
Date: Sat Jan 23 12:22:17 1999

<Any Unix clones for 8080/Z80 systems? It ought to be doable, given that th
<original Unix was done on a 64KB address space machine...

Uzi in a 64k machine required 32k of it for the kernel and the rest for
apps. It was a full swaping scheme so hard disk for similar was a must
have. Banking/mmu made it more palateable as you could have the kernel in
it's own space.

IT was not uncommon if you could afford the cost (in late 81 it was about
$159 for 64k) of ram to have large banked memory on s100 in the early 80s.
I was running a multi z80 system then with 256k.

Yes, UZI unix, see WWW.psyber.com/~tcj as they have a page on it. IT was
z80 FYI and has been ported to z180 and z280.

Allison
Received on Sat Jan 23 1999 - 12:22:17 GMT

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