41CL Flash Update
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08-21-2016, 06:47 AM
Post: #1
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41CL Flash Update
My little adventure updating my 41CL ...
I have postpone updating my 41CL's (v2:2011, v3:2012 & v4:2015) for years and with the new 1024 registers module from Ángel now seems the right time to do it. First thing I did was to download and read the excellent how-to manual (Updating the 41CL Flash) from Monte. Second, I downloaded the 41CL Memory Reference documents of the Manuals section Third, I downloaded the ROM files from the File Area section. Then it became complicated and I got a lot more than I bargained for ... After evaluating my options, I have decided to update my v3 board because if I screw up (a real possibility), I still got the v4 board working. Next was to find out what was the update gap between 2012 and 2016, which turns out to be almost everything (62 pages or ~500 ROM images). After that realization, it became clear that I needed to structure myself more seriously. Starting from the mem_ref.csv file, I have created an Excel file, added new columns and started filling them. One of the new columns that took the most time to fill-up was the filename and the YCRC validation. Even thought most of the ROM files was included in the zip files from Monte not all was present. Also, I wanted to 100% sure that the files I got were valid, so I did the following for all of them (~500) ...
The results after 30+ hours of work is available here: 41CL_V3+_2016-08-17b.zip. The zip file contains the following ...
Now that my baseline has been done, my next step is to do the actual update. I am currently creating a small FOCAL program and a script on the PC to automate the update process. I will publish them after my update is completed. Best regards, Sylvain PS: Ángel, sorry for the GRAFIKS module validation delay, I never expected to spend so much time on this update. |
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08-21-2016, 07:09 PM
Post: #2
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RE: 41CL Flash Update
(08-21-2016 06:47 AM)Sylvain Cote Wrote: My little adventure updating my 41CL ...You've just imparted an important lesson to this new 41CL owner; update regularly! I've added an anniversary reminder to my calendar to update my own unit each year (at least). Thanks also for generously sharing your work. Much appreciated. ~Mark Remember kids, "In a democracy, you get the government you deserve." |
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08-21-2016, 07:45 PM
Post: #3
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RE: 41CL Flash Update
Yes it can get very laborious when multiple updates are needed... been there myself!
To make it even worse I keep adding new ROM images, like just finished an update to the CLXPREGS plus a new Y-PPC-REGS module; never a dull moment! "To live or die by your own sword one must first learn to wield it aptly." |
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08-21-2016, 08:50 PM
Post: #4
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RE: 41CL Flash Update
Quote:Now that my baseline has been done, my next step is to do the actual update.As mentioned on Montes' page under "FILE AREA", Geir Isene wrote a FOCAL routine to support / simplify Update: [url=https://github.com/isene/hp-41_CL]. Juergen |
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