HP-41 FORTH; The most misunderstood Module?

[Raymond Del Tondo]

(04-12-2014 08:31 AM)Ángel Martin Wrote:  There are a couple of bugs I haven't figured out how to correct, like an undocumented CPU instruction (318 in address 49ED), and a call in addresses 4CCE/4CCF to address 3CBC in port#3 - which is obviously wrong given that this was designed for a 41C/CV.

I haven't checked the Forth blueprint, but at least the CCD module has data isles between code lines.