27 Nov
2017
27 Nov
'17
3:50 p.m.
Will Senn <will.senn(a)gmail.com> wrote:
In my naive understanding, the PDP-11 itself, with the
Unibus and
apparently agnostic ISA seem to summarily reject the Harvard
Architecure...
My question is - was there tension around Harvard and Von Neumann
architectures in Unix circles and if so, how was it resolved?
Well, there were PDP-11 models with split instruction and data address
spaces, so you could address 64K of code and 64K of data without overlays.
Tony.
--
f.anthony.n.finch <dot(a)dotat.at> http://dotat.at/ - I xn--zr8h punycode
Shannon, Rockall, Malin, Hebrides, Bailey: North or northwest 5 to 7,
occasionally gale 8 except in Shannon. Rough or very rough, occasionally
moderate. Squally showers. Good.