Alternative HP-41CL mainframe (OS ROMs) update for beta test

[Ángel Martin]

(10-01-2019 08:14 PM)hth Wrote:  I suspect the CCD ROM has copied the NFL routines and does not call the entry points in 41CX, which is probably to be expected as it wants to work with all 41 models, 41C/CV/CX.

That's actually correct, the CCD and derivatives like the OSX3 have their own way to enumerate CAT-2, CAT-4, and CAT-6.
I assume this makes them somehow incompatible with the alternative OS as well...