Thanks, that (http://en.wikipedia.org/wiki/Burroughs_large_systems#B5000 http://en.wikipedia.org/wiki/Burroughs_large_systems#B5000) seems like a very interesti

Thanks, that (http://en.wikipedia.org/wiki/Burroughs_large_systems#B5000 http://en.wikipedia.org/wiki/Burroughs_large_systems#B5000) seems like a very interesting processor. A few tidbits that caught my eye: - All code automatically reentrant - Partially data-driven tagged and descriptor-based design - First commercial implementation of virtual memory