There's a thread on the Alphatronic P2 here:

http://forum.classic-computing.de/index.php?page=Thread&threadID=8510

with dumped ROMs, pictures of the PCBs and links to software and documentation.

It's also mentioned that no emulator exists so far smile


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20