00:00:10 | Dma-Sc | bother you i mean ;) |
00:00:14 | Zagor | Dma-Sc: yes, a motorola coldfire (modified 68k) |
00:00:40 | Dma-Sc | oh really |
00:00:50 | Dma-Sc | let's have a st emu on it! ;) |
00:00:58 | Zagor | hehe |
00:01:24 | Dma-Sc | or at least play sndh tunes ;p |
00:02:07 | amiconn | Zagor: There is a sidplay port to the Amiga. The author says an 68030 (standard 68030 clock on Amiga is 25 MHz) is sufficient, though he recommends 68040 |
00:03:20 | Zagor | the very first SID emulator is even faster: http://www.computerbrains.com/ccs64/playsid.html |
00:04:08 | amiconn | Yeah, but playsid _is_ assembler |
00:04:11 | Dma-Sc | zagor : and it got an additional dsp for the main depacking job then? |
00:04:31 | Zagor | ah the port you're talking about is c? got a link? |
00:04:51 | Zagor | Dma-Sc: no, just an emac for the multiplications |
00:05:21 | amiconn | ...and playsid uses custom chips of the amiga, namely the paula and the cia |
00:05:21 | Dma-Sc | ah ok |
00:05:46 | Zagor | playsid uses all the tricks in the book, and then some... :) |
00:09:15 | amiconn | The sidplay lib port to amiga is on aminet, but without sources... |
00:09:36 | Zagor | the "old" sidplay lib is apparently faster than the newer sidplay2, but it too is written in c++. |
00:09:41 | Zagor | ah, badness |
00:10:22 | Dma-Sc | zagor : btw do you think such a cpu could handle mod/xm/s3m playback routs? |
00:10:31 | Zagor | Dma-Sc: definitely |
00:10:47 | Zagor | mod is a very low-cpu format |
00:11:21 | amiconn | Low-cpu, low-memory and low-diskspace, yes |
00:11:21 | Dma-Sc | zagor : depends on the number of voices and effects though |
00:11:54 | Zagor | Dma-Sc: even with lots of voices and effects, it's a lot cheaper than mp3 or ogg |
00:12:02 | Dma-Sc | ah yes |
00:12:40 | Dma-Sc | anyway this would be cool when noticing there's still a long way back home and you've already reached the last bits of batteries ;p |
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00:13:31 | Zagor | well we don't know yet how much adaptive power saving we can do. |
00:13:39 | Zagor | but one can hope |
00:13:55 | Dma-Sc | only things we, users, can do yes ;) |
00:15:21 | Dma-Sc | ok, good luck on this people then and see you :) |
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00:28:27 | Zagor | "Ogg/Vorbis in embedded systems. Master thesis by Johannes Sandvall" http://www.sandvall.nu/thesis.pdf |
00:32:22 | _Lucretia_ | Zagor, yup, they have those here as well ;-) |
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01:21:35 | Zagor | bed time. night all! |
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01:49:29 | bagawk | bye |
01:49:40 | bagawk | :) |
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05:55:41 | [av]bani | anyone have a good picture of the disassembled lcd? |
05:56:19 | midk | you can't really disassemble an lcd.. unless you shatter it with a hammer >:) |
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05:57:09 | [av]bani | i mean, separate from the ihp |
05:57:17 | [av]bani | http://rockbox.haxx.se/iriver/front.jpg |
05:57:21 | [av]bani | thats not terribly useful |
05:57:28 | [av]bani | eg, the ribbon cable, cog etc |
05:57:43 | midk | well, if it did exist it would be there |
06:00 |
06:26:30 | pike | must be something useful on the flipside fo the lcd |
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08:59:29 | midk | bed, nite |
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10:00 |
10:00:59 | amiconn | morning Jörg |
10:01:21 | [IDC]Dragon | hi |
10:01:33 | [IDC]Dragon | do you expect your Ondio taday? |
10:02:02 | amiconn | Dunno whether dpd delivers on Saturdays too, if so ->yes |
10:03:03 | amiconn | While were very productive the last days (hey, you cover the cvs activity log almost completely!) I still can't be of much help |
10:03:32 | amiconn | (other than I looked into you changes a bit, and why the plugins don't compile) |
10:03:49 | amiconn | *While yo were... |
10:03:52 | amiconn | *you |
10:04:14 | [IDC]Dragon | did you find it out? |
10:04:41 | [IDC]Dragon | right now I'm almost happy they don't compile, keeping the make small |
10:06:08 | | Join pike [0] (amiga@h234n1fls22o1064.bredband.comhem.se) |
10:06:39 | amiconn | (1) The Makefile in apps/plugins/lib does need the same extension as that in apps/plugins (including the recorder path for the Ondio too |
10:07:12 | amiconn | (2) Then _many_ plugins fail with the "same case value" error, so need fixing |
10:07:42 | dwihno | Morning Jens & Jörg |
10:07:58 | [IDC]Dragon | hmm, we may better leave (2) until we have a better button driver |
10:08:12 | [IDC]Dragon | hi dwihno |
10:08:47 | [IDC]Dragon | i'm not worried about plugins right now, without disk I/O |
10:08:57 | amiconn | Of course |
10:09:35 | amiconn | The source tree needs some major restructuring imho. |
10:09:42 | dwihno | [IDC]Dragon: how do you boot rockbox on the ondio? |
10:10:24 | amiconn | (1) Until now the recording feature was connected with having a graphic display. This is no longer true |
10:11:18 | [IDC]Dragon | is it that dirty? |
10:11:33 | [IDC]Dragon | we have a config define for that |
10:12:00 | amiconn | Yes, as e.g. the widgets are in the recorder sub-dir |
10:12:07 | [IDC]Dragon | dwihno: the usual way: hook it to USB, copy ajbrec.ajz onto it |
10:12:40 | [IDC]Dragon | amiconn: the recorder subdir is in the make |
10:12:54 | [IDC]Dragon | ah, you're talking plugin make? |
10:13:24 | amiconn | (2) Same goes for the number of buttons and their layout. Imho this requires adding some pre-processing in the button driver, i.e. emitting events (e.g. "go to the menu") instead of or in addition to raw button events |
10:13:54 | [IDC]Dragon | I woudn't touch that yet |
10:13:55 | dwihno | [IDC]Dragon: ah, okay... I started thinking there was a need of some kind of special flashing |
10:14:33 | [IDC]Dragon | amiconn: let's try to walk before we run |
10:15:01 | [IDC]Dragon | perhaps you could work on the MMC driver |
10:15:20 | [IDC]Dragon | I found some nice code (for Atmel uC) to start with |
10:15:38 | [IDC]Dragon | since you're good about datasheets |
10:16:16 | [IDC]Dragon | I'd carry on the reverse engineering then |
10:17:01 | amiconn | I'll try that, as soon as my Ondio arrives. Of course I will also take a look into the hardware |
10:17:15 | [IDC]Dragon | http://www.ulrichradig.de/index.html |
10:17:30 | [IDC]Dragon | look under AVR Projekte |
10:17:49 | [IDC]Dragon | then MMC-SD |
10:18:35 | amiconn | Found it. |
10:18:40 | [IDC]Dragon | sourcecode has german comments |
10:18:50 | [IDC]Dragon | so no problem :-) |
10:19:07 | [IDC]Dragon | the MMC driver won't need much code |
10:19:42 | amiconn | ..and not much optimization either, since it uses the serial i/f, which does dma |
10:19:56 | amiconn | But perhaps we need byte swapping... lets see |
10:20:59 | [IDC]Dragon | it's "just" establishing the syncronous serial, working with the few commands |
10:22:31 | [IDC]Dragon | and working with the clock/select gates of the quad AND |
10:22:44 | [IDC]Dragon | I don't fully understand that part yet |
10:23:15 | [IDC]Dragon | Thought I'm close to do a USB enable within Rockbox, but it doesn't work |
10:25:11 | amiconn | A propos and gate: I looked a bit at your table, and found that there is a contradiction in it: |
10:26:49 | amiconn | (1) It says that pin 13 is connected to pin 11, but pin 11 is not connected to pin 13 |
10:27:26 | amiconn | (2) it says pin 4 is connected to pin 13, but pin 13 is not connected to pin 4 |
10:27:48 | amiconn | I *guess* that means pins 4 and 13 are in fact connected |
10:27:54 | [IDC]Dragon | yes |
10:28:37 | amiconn | Unfortunately, there are still too many connections missing to completely understand what it does |
10:28:55 | [IDC]Dragon | I know a bitmore, updating now |
10:30:00 | amiconn | Btw: I have an idea what the connection of SIBI to the cpu may be good for: |
10:30:42 | amiconn | This must be held high for mp3 (bitstream) playback. However, for word oriented transfers this is the word sync |
10:31:10 | amiconn | This may be useful e.g. for the pcm pass through codec... |
10:32:05 | [IDC]Dragon | interesting |
10:32:34 | [IDC]Dragon | but the parallel is read only, grr :-( |
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10:39:36 | amiconn | I really would like to go into mas hacking... I have some dreams... Super-fast jpeg decoding... .mod playback... |
10:40:53 | [IDC]Dragon | we could mod the Ondio for bidirectional |
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10:47:25 | [av]bani | mystery chip identified |
10:47:39 | [av]bani | AZU 3AW ZD8L |
10:47:48 | [av]bani | voltage regulator |
10:48:49 | amiconn | [IDC]Dragon: I think this is not really necessary. The only advantage would be to use the pcm pass through codec unmodified. I doubt it would be much faster than the serial with out boxes, since the parallel is completely software controlled |
10:49:06 | amiconn | s/out/our/ |
10:51:45 | [IDC]Dragon | twiki updated |
10:56:00 | amiconn | Two pin functions are swapped: presuming your input pin names, pin 8 is O2 and pin 11 is O3 |
10:56:25 | Bagder | [av]bani: cool |
10:57:45 | [IDC]Dragon | amiconn:fixed, thanks |
11:00 |
11:00:19 | amiconn | Pin 3 (O0) does go nowhere??? |
11:01:05 | [IDC]Dragon | it goes somewhere, doing it's job |
11:01:18 | [IDC]Dragon | but I don't know exactly how |
11:04:11 | amiconn | Gate 3 apparently "mixes" the mmc clock from the bridge and the cpu; that of course requires that the passive devices has to hold the clock line high |
11:04:31 | [IDC]Dragon | yes |
11:04:57 | amiconn | Gate 0 simply buffers the usb enable signal |
11:05:22 | amiconn | It would be really interesting what O0 is connected to |
11:06:25 | amiconn | Did you measure levels while the unit is running (with archos fw)? |
11:07:12 | [IDC]Dragon | yes |
11:08:13 | [IDC]Dragon | one thing I know about the output: it is connected to the USB line itself, via a resistor |
11:08:36 | [IDC]Dragon | probably messing up the bus while inactive |
11:09:58 | [IDC]Dragon | first I'd like to work out those selects |
11:12:10 | * | amiconn also thinks that deciphering the functions of this quad and is most important, since wrong setup could also prevent an mmc driver from working |
11:20:20 | [IDC]Dragon | yes |
11:20:32 | [IDC]Dragon | I made a mistake with my USB mode |
11:21:43 | [IDC]Dragon | the bridge will use MMC mode, not SPI mode |
11:21:52 | | Part [av]bani |
11:22:01 | [IDC]Dragon | so no /CS involved, that's only for SPI |
11:22:29 | [IDC]Dragon | but still the card has to be switched |
11:22:37 | [IDC]Dragon | internal/external |
11:26:37 | [IDC]Dragon | need to measure the levels, in USB mode |
11:41:02 | amiconn | Already read a bit about mmcs: (1) The driver shouldn't be hard, mmc is much less complex than ata (2) mmc and sd are identical in spi mode, so the Ondio should also support sd cards. Could/ did you verify this? |
11:41:38 | amiconn | This is in fact interesting for me, because I already have a 256 MB sd card... |
11:45:24 | [IDC]Dragon | it won't fit, mechanically |
11:45:30 | [IDC]Dragon | I tried |
11:45:47 | [IDC]Dragon | I'm away now, mostly |
11:46:29 | [IDC]Dragon | perhaps you can mount a different socket |
11:52:13 | amiconn | [IDC]Dragon: r u there? |
11:52:41 | amiconn | Oops, was way scrolled up.. |
11:53:28 | amiconn | I have an idea what PA12 _might_ be good for |
11:55:12 | amiconn | You need a way to switch the card back from spi mode to mmc mode. The docs say "The only way to return to the MultiMedia Card mode is by entering the power cycle." |
11:56:44 | [IDC]Dragon | but PA12 only influences the clock gating... |
11:57:19 | amiconn | Hmm, there must be some logic to do this... |
11:58:07 | [IDC]Dragon | iirc, Vcc is hard wired |
11:59:12 | [IDC]Dragon | maybe the bridge uses SPI mode, too |
11:59:27 | [IDC]Dragon | (haven't studied the datasheet) |
12:00 |
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12:23:44 | amiconn | [IDC]Dragon: Argh! MMC serial communication is msb first, while the SH serial does lsb first. Sounds familiar? |
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12:46:47 | [IDC]Dragon | <irony>Great! Then we need to do nothing for mp3</irony> |
12:47:23 | [IDC]Dragon | well, at least the CPU gets something to do while the DMA runs |
12:47:46 | amiconn | The serial comm itself should be possible up to 1.5 MBit/s, assuming cpuclk == 12 MHz |
12:48:03 | [IDC]Dragon | but the mp3 payload gets bitswapped twice |
12:48:11 | amiconn | yup :( |
12:48:48 | [IDC]Dragon | if I ever build a USART, I'll make this programmable, promised! |
12:49:41 | amiconn | At least our bitswap routines are faster than the serial xfer itself :/ |
12:56:40 | amiconn | Argh! I missed the end of a Studio 10 auction! |
13:00 |
13:00:03 | [IDC]Dragon | how much? |
13:00:18 | [IDC]Dragon | lunchtime |
13:02:59 | amiconn | It went for € 94,- which would have been within my limit... |
13:24:42 | [IDC]Dragon | oh, that's a lot |
13:25:10 | [IDC]Dragon | but the price is the limit of the 2nd bidder |
13:25:33 | [IDC]Dragon | you'd have to be above the limit of the 1st guy |
13:26:02 | [IDC]Dragon | who knows what that would've been |
13:26:27 | [IDC]Dragon | "Mittagsschläfchen" now |
13:27:42 | dwihno | sounds like a good idea |
13:27:57 | dwihno | Ich habe doch zuviel geschlafen :) |
13:33:22 | kaboofa | Ich liebe apfels! |
13:33:58 | kaboofa | Sie sind Orangen! |
13:34:09 | kaboofa | As usual, I have nothing useful to contribute to #rockbox :( |
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15:06:55 | Bagder | hey bro, see ya in a while. Agnes just woke up |
15:06:58 | Zagor | argh, [av]bani said he found out the chip but doesn't updated the wiki with the information... |
15:07:00 | Zagor | ok |
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15:28:43 | elinenbe | how is progress on the iriver coming? |
15:32:10 | Zagor | well most of the chips are documented now and I incorporated the MAD mp3 decoder in rockbox yesterday |
15:32:23 | Zagor | it's really slow on the 12MHz sh1 :) |
15:33:14 | Zagor | hopefully we'll have a BDM cable on monday |
15:41:57 | ashridah | zagor: where's the BDM port on the pcb of the iriver? the 5 solder pads on the righthand side of the front of the board, or the set of a lot more pads on the left hand side? |
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16:25:27 | LinusN | ashridah: the bdm port is the 20-pin connector on the left side |
16:26:00 | ashridah | righto. |
16:27:38 | ashridah | hm. so any idea what the block of 5 pads on the right is? |
16:28:57 | LinusN | two of the pins go to one of the serial ports, so i guess we can use it for debugging as well |
16:29:19 | LinusN | check the back side |
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16:30:22 | _aLF | hi |
16:31:46 | LinusN | hi |
16:31:50 | ashridah | ah, yeah, so i see |
16:38:54 | LinusN | the main "problem" right now is the lcd |
16:40:12 | ashridah | yeah. no details on the connection. i assume there's a PIC or something buried into it? |
16:40:39 | ashridah | maybe you'd be better off decoding the signals sent to the remote LCD first, since it looks like it might just be VCC,GND, RX/TX ... |
16:41:02 | ashridah | hrm. scratch that. it has two jacks as well as the data pins |
16:43:24 | LinusN | all lcd modules have a chip on them, Chip On Glass |
16:43:32 | ashridah | ah |
16:43:42 | * | ashridah never really had to deal with LCD units at uni |
16:44:52 | LinusN | we can disassemble the lcd driver in the original firmware, and we can analyze the signals to the lcd |
16:44:58 | LinusN | i intend to do both |
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16:46:33 | LinusN | gotta go, cu around |
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18:31:35 | kaboofa | Hmm |
18:32:02 | kaboofa | I just got a weird idea.... |
18:32:40 | midk | weird? |
18:32:42 | midk | go on! |
18:33:04 | kaboofa | What if I wrote drivers for rockbox |
18:33:16 | kaboofa | that uh.. |
18:33:18 | kaboofa | ugh, wtf |
18:33:29 | midk | ... |
18:33:34 | midk | feel free to go on... :) |
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18:34:30 | kaboofa | Sorry, got ap hone call |
18:34:32 | kaboofa | *a phone call |
18:34:45 | midk | oh. np ;) |
18:35:12 | kaboofa | Ok, make some hacks to the usb driver, so if an option was enabled, then when the usb wire was plugged in the recorder would show up as a game controller |
18:35:15 | kaboofa | or a joystick or something |
18:35:26 | kaboofa | I know that sounds stupid |
18:35:48 | kaboofa | but what if you had like.. an american football game or something, you could select the plays on the rockbox screen |
18:35:51 | kaboofa | on the lcd |
18:35:53 | kaboofa | with special drivers |
18:35:55 | midk | sounds awesome until you tell someone about it :) |
18:36:03 | kaboofa | Yeah... |
18:36:13 | midk | hmm. very doubtful.. but i'm not sure of much about it |
18:36:16 | kaboofa | But it still sounds awesome to me, so i'm going to investigate ring0 for windows xp and hacking the kernel |
18:36:23 | kaboofa | the kernel meaning rockbox |
18:36:41 | kaboofa | i could probably make a unix port too |
18:37:05 | midk | mhm, sure, and i'll ..uh.... cool |
18:37:29 | kaboofa | hmm |
18:37:45 | kaboofa | That would be cool though |
18:38:33 | kaboofa | Hmm, need to find my msdn cds... |
18:38:43 | midk | what ever happened to that polish notation calculator or whatever? |
18:38:47 | kaboofa | Or wait until oct. |
18:38:50 | kaboofa | midk: it died. |
18:38:59 | kaboofa | I didn't need it anymore, because I found one for my ti89 |
18:39:00 | midk | ghetto_sprintf didn't work? |
18:39:04 | kaboofa | that too |
18:39:07 | midk | wtf.. we could still use it. |
18:39:20 | midk | that doesn't mean i have one for my.. uh... yeah |
18:39:20 | kaboofa | ok =( |
18:39:31 | midk | what's so hard about ghetto sprintf anywyas |
18:39:32 | midk | ways* |
18:39:35 | midk | why do you need it? |
18:39:51 | kaboofa | Need what? |
18:39:54 | kaboofa | RPN or my MSDN cds? |
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18:40:18 | midk | ghetto_sprintf |
18:40:44 | dwihno | ghetto code! \o/ |
18:41:16 | midk | :) |
18:41:26 | kaboofa | \m/ |
18:41:33 | midk | hmm |
18:41:38 | midk | but, why do you need it kaboofa? |
18:43:05 | kaboofa | because you can't do float->string conversions in rockbox |
18:44:12 | Zagor | kaboofa: the usb is hardwired to the isd300 chip. the processor has no control. |
18:44:31 | kaboofa | :( |
18:44:34 | kaboofa | there goes my plans. |
18:44:40 | midk | see, that's exactly what i told him |
18:44:46 | midk | isn't it? isn't it?! ;) |
18:44:55 | kaboofa | thanks Zagor. |
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18:46:27 | midk | -Zagor+midk! |
18:49:31 | kaboofa | o.o |
18:49:38 | kaboofa | When did you say that? |
18:50:00 | kaboofa | And it would be s/Zagor/midk/; ;p |
18:50:19 | kaboofa | regex == leetsauce; |
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19:03:53 | | Quit R3nTiL () |
19:11:59 | midk | kaboofa, not really |
19:12:04 | midk | -/+ works too |
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20:26:07 | bagawk | hi ze |
20:26:10 | bagawk | i mean zeekoe |
20:26:11 | bagawk | lol |
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20:30:42 | Bagder | you scared him away! ;-) |
20:33:07 | bagawk | hehe |
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21:19:15 | bagawk | bye |
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23:21:18 | amiconn | Grr, this is annoying! |
23:21:41 | bagawk | what? |
23:22:08 | amiconn | Did some test recordings, with varying level including clipping, archos fw & rockbox |
23:22:26 | amiconn | Very same CD all the time, 3 different level settings each |
23:22:28 | bagawk | And the result? |
23:22:47 | amiconn | archos fw: no frame sync errors |
23:23:28 | amiconn | rockbox: 2 of 3 recordings have sync errors, the 3rd merely has the last frame truncated |
23:23:41 | bagawk | :( |
23:24:25 | bagawk | any ideas where the errors are coming from? |
23:24:37 | amiconn | Not really :( |
23:25:19 | bagawk | could you do some debug, and find out where the sync errors occur, and what rockbox was doing at the time? |
23:25:21 | amiconn | Next test: rockbox modified to not use m/s stereo encoding. Perhaps the mas has a bug with m/s stereo (although I don't really believe this) |
23:25:39 | bagawk | ok |
23:25:57 | amiconn | In parallel I'll write some more thorough mpeg frame analyzer tool |
23:32:14 | | Join Fusen [0] (~Fusen@fusen.user) |
23:32:23 | Fusen | where can I get descramble from? |
23:32:44 | bagawk | Fusen, you need to compile it yourself |
23:32:51 | bagawk | Fusen, why do you want it? |
23:33:06 | Fusen | new av300 firmware was released |
23:33:18 | Fusen | there were numerous copies of it on the av300 yahoo groups |
23:33:22 | Fusen | but they have all gone |
23:33:35 | Fusen | and I'm sure rockbox used to have it as a download |
23:33:37 | Zagor | grab the source tarball or take it from cvs |
23:33:40 | Fusen | compiled |
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23:34:51 | Zagor | ...or download from http://rockbox.haxx.se/tools/descramble.exe |
23:34:56 | Fusen | thanks |
23:35:15 | bagawk | can the tool really descramble the av300 firmware? |
23:35:23 | Zagor | yes |
23:36:28 | Fusen | all done, thanks for that |
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