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JuicBox Video Card Hack

New MessageJuicBox Video Card Hack (modified 0 times) Da_0wl
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Has anyone tried to access a video Cartridge by the reverse of the SD adapter?

Rather than SD to Juicebox (MP3 Kit) I am thinking Juicebox cartridge to SD, this way I can copy the file they are storing to my computer or SD card. Then it's just a matter of making a new adapter for the SD card to allow it to present itself to the JuiceBox as a standard cartridge...

Am I way out on left field on this, or is is realy as simple as an adapter that will present the SD card as a Cartridge?

06-06-2005 10:58:07

New MessageRE:JuicBox Video Card Hack (modified 0 times) chillywilly
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I was thinking about this over the weekend.
I don't have the skills to do this, but my thinking was that maybe the code in the cartridge has some code that tells the JB to play the video on the cartridge (kind of like a boot loader). If this would be the case me could them copy this small program along with a video file to an SD card and bango we have video on the JB.

Good luck and keep us informed.

ChillyWilly

06-06-2005 12:35:01

New MessageRE:JuicBox Video Card Hack (modified 0 times) darkwillow
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there is the problem of the proprietary codec used by juicebox. even if you get a bootloader to fool the juicebox into thinking it has a juiceware card instead of just an SD card, if the video isn't encoded right then you will likely get only garbage. since the codec is proprietary, perhaps the only way is to reverse engineer the codec used for the juiceware and i don't know if that's possible. i hope it can be done, because i've been obsessed with this juicebox thing for the longest time now but i've been kinda helpless to do much about it because i'm not techno-savvy with linux and soldering or anything like that.
06-06-2005 15:10:32

New MessageRE:JuicBox Video Card Hack (modified 0 times) Tom61
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See my thread here: http://www.linux-hacker.net/cgi-bin/UltraBoard/UltraBoard.pl?Action=ShowPost&Board=MJB&Post=7&Idle=0&Sort=0&Order=Descend&Page=0&Session=tom61.111811322075011

"The Juiceware chip has more connections to the internal SMT wide DIP (my name for it, it's a chip that has the pins along the width not the length) than the SD adapter has, and is missing at least one signal line found in the SD card adapter. This means a simple adapter from Juiceware to SD to read the card is not possible."

Reply from prplague (the guy that has done the most with the JuiceWare so far):
"the sd (again just as a reminder, the sd lines are not implemented only mmc) interface is just using standard spi. one of the gpio pins determines where to activate the address bus or to activate the spi interface."

06-06-2005 20:11:24

New MessageRE:JuicBox Video Card Hack (modified 0 times) paganize
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Hmmm.
I just received a e-mail informing me that the Juicebox video format was a shockwave variant, 14-16 FPS.
kinda/sorta makes sense...
06-11-2005 02:29:05

New MessageRE:JuicBox Video Card Hack (modified 0 times) SteveID
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Is this still valid?
08-18-2009 13:56:18

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