27 Oct
2017
27 Oct
'17
12:57 p.m.
On Oct 27, 2017, at 3:21 PM, Al Kossow via cctalk
<cctalk at classiccmp.org> wrote:
On 10/27/17 12:16 PM, Chuck Guzis via cctalk wrote:
That doesn't sound even close.
Ken Olsen did his thesis on magnetic core logic. There is some (but surprisingly little)
information on line about this technology. There are two flavors: with permanent magnetic
cores (memory cores) and with "soft" cores (transformers). Apollo
"rope" core memory ROM is an example of the former.
paul
I've long had a fantasy about building a
core-logic CPU such as the
Univac Solid State.
I have been told the behavior of Univac magnetic logic was similar to NMOS