Nice find, Jeff, thanks for sharing.
I'm interested in looking at the source code.

Interesting emulator for OS/X on the Mac:
https://hackaday.com/2021/05/13/apple-gets-cp-m/#more-476308

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Jeff Brace
Vice President & Board Member
Vintage Computer Festival East Show-runner
Vintage Computer Federation is a 501c3 charity
http://www.vcfed.org/
jeffrey@vcfed.org