HP 15c CE : decoding / encoding Voyagersave files

[AnnoyedOne]

(09-07-2024 08:45 PM)Divasson Wrote:  There is a description of the file content here:

I'd seen that before but forgot where I saw it or who posted it.

FYI my original 2012 HP "Virtual Calculators" (HP-15C & HP-12C) stored memory in files 2040 bytes in size and not 2048. That is 255x8 and not 256x8. So 8 bytes are not used for whatever reason. However the VoyagerSave ones are 2048 bytes.

(09-07-2024 08:45 PM)Divasson Wrote:  And there is at least a project of a program to read and write HP15c CE memory files.

That's great news. I look forward to trying it.

Websites are great when the internet is accessible. Which it always is. Except when it isn't

A1

PS: I should note that the HP HP-12C Platinum virtual calculator appears to use the Sunplus SoC emulator under the hood. It saves a 18KB binary file containing who-knows-what. From what I've read the Generalplus and Sunplus SoC's are pretty much the same. Both use a masked-ROM for (fixed) firmware and have no means to read/write RAM.