rewriting legacy OS for new iron

[Paul Koning]

>>>>> "Greg" == Greg Ewing <greg at cosc.canterbury.ac.nz> writes:

 Greg> Sometimes I think it might be fun to build an emulator based on
 Greg> an FPGA. Then you wouldn't have any other instruction set in
 Greg> the way, either. :-)

 Greg> Has anyone out there done that?

I don't know about the PDP-11.  But yes, for the PDP-4 and PDP-8:
  http://www.spies.com/~dgc/

      paul