[Simh] KE11A support patch

[Tim Newsham]

> I have to ask:  What do you mean by "v1 unix"?  The earliest versions of 
> UNIX ran on the PDP-7, and certainly did not have (PDP-11) Unibus 
> support of any kind.

The version described in the 1st edition manuals:
http://www.cs.bell-labs.com/who/dmr/1stEdman.html

which we recently entered from a kernel source listing:
http://www.bitsavers.org/pdf/bellLabs/unix/PreliminaryUnixImplementationDocument_Jun72.pdf

and currently have running in (a slightly modified) simh.  More 
information can be found here:

http://code.google.com/p/unix-jun72/
https://minnie.tuhs.org/mailman/listinfo/unix-jun72

>                                                         Rich Alderson

Tim Newsham
http://www.thenewsh.com/~newsham/