There's an OpenSource replacement called Nitros9 http://www.nitros9.org/documents.html http://www.nitros9.org/documents.html Also: https://github.com/nealcrook

There's an OpenSource replacement called Nitros9 http://www.nitros9.org/documents.html http://www.nitros9.org/documents.html Also: https://github.com/nealcrook/multicomp6809/wiki https://github.com/nealcrook/multicomp6809/wiki and finally: https://www.retrobrewcomputers.org/doku.php https://www.retrobrewcomputers.org/doku.php for more retro goodness.