HP-41CY re-initialization ROM
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11-03-2019, 06:29 PM
Post: #10
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RE: HP-41CY re-initialization ROM
(11-03-2019 05:59 PM)hth Wrote:(11-03-2019 02:32 PM)Jurgen Keller Wrote: It looks like I'm doing a monologue ;-) W&W did for sure have such a fail-safe mechanism. Unfortunately, I didn't found any information about it. There is also a valued member of this forum who has developed such a re-initialization module in the past. However, he decided to not disclose that module for personal reasons and I fully respect his decision. Nevertheless, for personal curiosity, to get into MCODE-ing and to be able to restore my 41CY when needed, I wanted to solve the mystery. The whole re-initialization process is not very complicated once you understand how the ENROMx instructions work in the 41CY. There is only one situation which caused me headaches:
Not sure if that sheds some more light on it ... After many partially working attempts the current version of my re-initialization module seems to work fine now. Hopefully, I can publish it soon. |
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