See also
http://sourceforge.net/projects/openpoplog/
It states:
OpenPoplog is a multi-language, incrementally-compiled virtual machine-based development environment with its own extensive teaching and support material, supporting the languages Pop-11, Prolog, Common Lisp and ML on Unix, VMS, Linux and Windows.
The latest openpoplog for windows can be downloaded from here.
People who wish to contribute to Poplog development, especially the port of full poplog to Windows are invited to visit that site.
This file is part of the Birmingham Free Poplog Site http://www.cs.bham.ac.uk/research/poplog/