Rockbox Development > New Ports
Creative Zen Vision:M
Sonic:
--- Quote from: iSE on May 07, 2007, 11:04:59 AM ---What about updating the wiki? Keeping all the discussed ideas there so people can first check that?
--- End quote ---
I like that idea, 'cause it's a drag to have to sift through the entire thread.
TheBlackCat:
--- Quote from: mcuelenaere on April 30, 2007, 05:23:41 AM ---Some functions I've found in the .exe (named them myself):
FirmwareChk at 00413E10 (big function, has a lot of checks of nk.bin in it)
...
ChkSumInit at 004229B0 (has something to do with the CheckSum; I strongly believe it is SHA1 or RIPEMD160) --> this one uses a lot of SHA1 constants, so I believe the SHA1 hash is generated here
--- End quote ---
Can you post the text of these, please?
mcuelenaere:
--- Quote from: TheBlackCat on May 19, 2007, 12:02:39 PM ---Can you post the text of these, please?
--- End quote ---
If you mean the disassembled versions of them, yes:
http://paste-it.net/pf649f3
http://paste-it.net/z5e1fd0
jhulst:
--- Quote from: Sonic on May 13, 2007, 05:12:58 PM ---
--- Quote from: iSE on May 07, 2007, 11:04:59 AM ---What about updating the wiki? Keeping all the discussed ideas there so people can first check that?
--- End quote ---
I like that idea, 'cause it's a drag to have to sift through the entire thread.
--- End quote ---
Go ahead, it's a wiki, anyone can edit it.
EXCiD3:
Ok, I just wanted to let you guys know, over at the Nomadness forums, all the work done for the Series 3 devices, such as the Xtra (which i currently own, soon to have a ZVM or ZVW ;) can probably help us work with the ZVM. We have been able to do pretty much about the same as you guys with Series 3 hacking, with the exception of changing text on the firmware. We have gotten a couple of guys to dump the firmware (first 8 megs of the hd) and have modified the text and written it back to the drive. Apparently, the Series 3 devices do NOT have a checksum like the ZVM.
Much of the progress you guys have been making can EASILY be ported to the Series 3 devices. They are using the TMS320 processor also but it is a different variant (DA25x i think). Taken from wikipedia: DA25x is an ARM processor and a C55x core. It has som on-chip peripherals like a USB slave controller and security features. Documentation of this chip is only available after signing a Texas Instruments NDA. These variants are used exclusively in the Creative Zen and Dell Digital Jukebox MP3 players, as the primary CPU and signal processor for all processing of MP3 data streams.
Keep up the good work guys, I am going to begin hacking my Zen Xtra even though much of the progress made was dropped back in 2005 and I still don't quite have the money to shell out for another player.
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