On 2013-04-05 20:10, Bob Armstrong wrote: Ooo. I have almost all the parts of the PDP-11 implementation. Missing one file or two... You don't happen to have more of this stuff, do you? I don't have the PDP-11 version, no. Sorry. Well, the one or two files missing are modula files that might not be that different for the VAX, if I'm lucky.... Could you share what you do have? Johnny