HP-41C weird program behaviour

[JurgenRo]

(04-14-2023 06:53 AM)Didier Lachieze Wrote:  

(03-19-2023 06:46 PM)JurgenRo Wrote:  Hello everyone!
I have an HP-41C which shows a weird behaviour when it comes to programming with LBLs and GTOs. Running a program (by XEQ, R/S or SST) with a mumeric Label, LBL01 say, GTO01 will send the program pointer "anywhere" but not to the LBL01. Moreover, "anywhere" seems not to be a location in normal program memory but shows characters that indicates the program pointer to be into firmware area or something (reminds me to what I'm seeing when doing SP). Any thoughts?

Does this also happen if you replace the numeric label (LBL 01) by a global alpha label such as LBL "01"?

No, I have not yet, good idea! I will try and report the result!