A bug of the HP-15C Collector's Edition running in HP-16C mode?

[brouhaha]

(03-09-2024 04:00 PM)Valentin Albillo Wrote:  Seems to be a hardware problem so perhaps not fixable by firmware updates ?

Hi V.!

I'm reasonably sure that it's a problem with the SIMULATED hardware, not the physical hardware, so it should be correctable in the simulation code that's running on the ARM core. Alas, since I don't have access to the source code of the simulator running on the ARM, and don't want to spend a lot of time reverse-engineering it, I don't know exactly how it's going off the rails nor how to fix it.

In the past Cyrille has solved similar problems in the 12C and and 15C, and I've occasionally been able to offer him a little advice, but it remains unclear as to whether there will ever be a firmware update for the 15C CE that might include fixes to the undocumented and unsupported 16C mode.