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Madroms · 2019-04-25 21:18:57

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Another topic: is it normal that for some PSX PAL demo discs, DIC reports: [INFO] This disc isn't PSX PAL. /nl is ignored.

Demo discs that I dumped which have this info reported by DIC:
http://redump.org/disc/531/
http://redump.org/disc/52732/

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iR0b0t · 2019-04-25 22:03:26

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Madroms wrote:

Another topic: is it normal that for some PSX PAL demo discs, DIC reports: [INFO] This disc isn't PSX PAL. /nl is ignored.

I am assuming this has something to do with "SYSTEM.CNF" file.
Those discs may lack of "SYSTEM.CNF" file or the file lacks of "VMODE = PAL" value.

BOOT2 = cdrom0:\SLES_542.18;1
VER = 1.02
VMODE = PAL

Can you check which is the case?

PX-760A (+30), PX-W4824TA (+98), GSA-H42L (+667), GDR-8164B (+102), SH-D162D (+6), SOHD-167T (+12)

sarami · 2019-04-26 01:07:20

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Madroms wrote:

Another topic: is it normal that for some PSX PAL demo discs, DIC reports: [INFO] This disc isn't PSX PAL. /nl is ignored.

dic checks this string of LBA: 4.

LBA: 4

0000 : 20 20 20 20 20 20 20 20  20 20 4C 69 63 65 6E 73             Licens
0010 : 65 64 20 20 62 79 20 20  20 20 20 20 20 20 20 20   ed  by          
0020 : 53 6F 6E 79 20 43 6F 6D  70 75 74 65 72 20 45 6E   Sony Computer En
0030 : 74 65 72 74 61 69 6E 6D  65 6E 74 20 45 75 72 6F   tertainment Euro
0040 : 20 70 65 20 20 20 00 00  00 00 00 00 00 00 00 00    pe   ..........

You can also check LBA:4.

Jackal wrote:

KailoKyra dumped this disc: http://redump.org/disc/3927/ but it wasn't matching the database, because DIC is not descrambling any of the last 3 sectors.
Attached the 3 last data sectors for this disc and the DIC log:
If I remember correctly, we agreed before that all sectors inside a data track with a valid sync should always be descrambled? But still DIC is not descrambling the first 2 sectors. The third and last sector has an invalid sync and shouldn't be descrambled.

LBA[079915, 0x1382b]: Track[01]: Invalid mode.

This sector was descrambled. IIRC, we agreed before about invalid mode.

LBA[079916, 0x1382c]: Track[01]: Invalid mode. Invalid reserved byte. Skip descrambling

This sector was not descrambled because this sector is incomplete as data sector. IIRC, we also agreed before about incomplete data sector. For this sector, it seems sync of next sector is shifted by 12 bytes.

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Jackal · 2019-04-26 09:42:10

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Ok I fixed Magic Carpet according to these specifications (scrambled sector 79916). But is there an easy way (without redumping) to check similar dumps for any descrambled sectors that should have remained scrambled?

Some of the dumps that need to be checked:
Chasm - The Rift (Europe) (Sold Out Software)
Cyberwar (USA) (Disc 1)
Cyberwar (USA) (Disc 2)
Cyberwar (USA) (Disc 3)
MER Innebandy (Sweden)
PowerHouse (Europe) (En,Fr,De,Es)
Push-Over (Europe) (En,Fr,De,Es) (Hit Squad - Regenerator)
SimCity 2000 (Germany)
Steel Panthers (Germany)
Trolls (Europe) (1995)

More on this list, but it's outdated: http://forum.redump.org/topic/16655/ibm … to-redump/

I guess we can find most of them this way:
http://redump.org/discs/errors/2/system/pc/
http://redump.org/discs/errors/3/system/pc/
http://redump.org/discs/errors/4/system/pc/
http://redump.org/discs/errors/5/system/pc/
http://redump.org/discs/errors/6/system/pc/
http://redump.org/discs/errors/7/system/pc/
http://redump.org/discs/errors/8/system/pc/
http://redump.org/discs/errors/9/system/pc/
http://redump.org/discs/errors/10/system/pc/
http://redump.org/discs/errors/12/system/pc/

Also, maybe a stupid question, but can we be sure that the offset of this dump is correct? http://redump.org/disc/19878/
Logs attached. The previous (old) dump of this disc was submitted with +0 offset and different Track02 pregap (and the old audio is off by 285 samples compared to the new dump). Most likely it was a dumping error, but there were some cases where different reading modes would give different offsets (588 samples difference with some SecuROM discs), so can we be sure that there is no drive/firmware bug here?

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sarami · 2019-04-26 13:31:58

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Jackal wrote:

But is there an easy way (without redumping) to check similar dumps for any descrambled sectors that should have remained scrambled?

Scrambled sector of mode 1
---
0x814: 0x48, 0x815: 0x64, 0x816: 0x36, 0x817: 0xab, 0x818: 0x56, 0x819: 0xff, 0x81a: 0x7e, 0x81b: 0xc0

descrambled sector of mode 1
---
0x814: 0x00, 0x815: 0x00, 0x816: 0x00, 0x817: 0x00, 0x818: 0x00, 0x819: 0x00, 0x81a: 0x00, 0x81b: 0x00

Jackal wrote:

but can we be sure that the offset of this dump is correct? ... but there were some cases where different reading modes would give different offsets (588 samples difference with some SecuROM discs)

According the disc.txt, SubCode[0], [2] and [8] show 285 samples. Perhaps px_d8 also outputs same result. But there isn't sync in LBA:14098.

This sync of LBA:14098 is LBA:14099.

04B0 : 1C 43 49 F1 F6 C4 1A 43  1F 41 38 2B 00 FF FF FF   .CI....C.A8+....
04C0 : FF FF FF FF FF FF FF 00  02 89 74 61 00 28 00 1E   ..........ta.(..

I don't know why there isn't sync in LBA:014098. Gulf War Soukouden of FMT has similar problem. http://forum.redump.org/topic/16418/add … new-dumps/

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xTMODx · 2019-04-26 13:54:24

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hi sarami, i had to redump this disc http://redump.org/disc/55274/ but i couldnt get a dump with newest DIC so i redumped with old dic and isobuster and they produced a different hash than the old one... could you check the logs please, i couldnt find any error
https://www.mediafire.com/file/5jmhv55m … p.rar/file
https://www.mediafire.com/file/f5wi1ql5 … p.rar/file

sarami · 2019-04-26 16:04:22

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As cmd says,
1. If your disc has scratches, it needs to be polished
2. Try to dump with different drive speed
3. Try to dump with different drive

If the problem isn't solved, you can use this.

Option (for CD SubChannel)
          /nq     Not fix SubQ

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Madroms · 2019-04-26 19:16:27

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sarami wrote:

Madroms wrote:
Another topic: is it normal that for some PSX PAL demo discs, DIC reports: [INFO] This disc isn't PSX PAL. /nl is ignored.
dic checks this string of LBA: 4.
LBA: 4

0000 : 20 20 20 20 20 20 20 20  20 20 4C 69 63 65 6E 73             Licens
0010 : 65 64 20 20 62 79 20 20  20 20 20 20 20 20 20 20   ed  by          
0020 : 53 6F 6E 79 20 43 6F 6D  70 75 74 65 72 20 45 6E   Sony Computer En
0030 : 74 65 72 74 61 69 6E 6D  65 6E 74 20 45 75 72 6F   tertainment Euro
0040 : 20 70 65 20 20 20 00 00  00 00 00 00 00 00 00 00    pe   ..........
You can also check LBA:4.

So they have a different LBA:4

24D8h: 20 20 20 20 20 20 20 20 20 20 4C 69 63 65 6E 73            Licens 
24E8h: 65 64 20 20 62 79 20 20 20 20 20 20 20 20 20 20  ed  by           
24F8h: 53 6F 6E 79 20 43 6F 6D 70 75 74 65 72 20 45 6E  Sony Computer En 
2508h: 74 65 72 74 61 69 6E 6D 65 6E 74 28 45 75 72 6F  tertainment(Euro 
2518h: 70 65 29 00 00 00 00 00 00 00 00 00 00 00 00 00  pe).............

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RibShark · 2019-04-26 20:53:54

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Some early PAL and NTSC-U/C PS1 games have a different licensing string

          Licensed  by          Sony Computer Entertainment(Europe)

or

          Licensed  by          Sony Computer Entertainment of America

which is definitely worth noting if you need to detect regions. It shouldn't matter though, since libcrypt probably isn't on any of these early PAL discs.

PX-4824TA (offset +98), PX-755SA (offset +30), ASUS BW-16D1HT (offset +6)

xTMODx · 2019-04-26 22:13:37

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sarami wrote:

As cmd says,
1. If your disc has scratches, it needs to be polished
2. Try to dump with different drive speed
3. Try to dump with different drive
If the problem isn't solved, you can use this.
Option (for CD SubChannel)
          /nq     Not fix SubQ

i have tried with the /nq option and the plextor 712 drive but DIC crashed then, but with the plextor premium it worked perfectly even without the /nq option

sarami · 2019-04-27 10:43:52

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Madroms wrote:

So they have a different LBA:4

http://www.mediafire.com/file/eq80y20l9 … st.7z/file
- added: detecting " Licensed by Sony Computer Entertainment(Europe)"

If /nl is used, LBA:4 is outputted in _mainInfo.txt like this.

========== LBA[000004, 0x00004]: Main Channel ==========
       +0 +1 +2 +3 +4 +5 +6 +7  +8 +9 +A +B +C +D +E +F
0000 : 20 20 20 20 20 20 20 20  20 20 4C 69 63 65 6E 73             Licens
0010 : 65 64 20 20 62 79 20 20  20 20 20 20 20 20 20 20   ed  by          
0020 : 53 6F 6E 79 20 43 6F 6D  70 75 74 65 72 20 45 6E   Sony Computer En
0030 : 74 65 72 74 61 69 6E 6D  65 6E 74 20 45 75 72 6F   tertainment Euro
0040 : 20 70 65 20 20 20 00 00  00 00 00 00 00 00 00 00    pe   ..........
========== LBA[000016, 0x00010]: Main Channel ==========
       +0 +1 +2 +3 +4 +5 +6 +7  +8 +9 +A +B +C +D +E +F
0000 : 01 43 44 30 30 31 01 00  50 4C 41 59 53 54 41 54   .CD001..PLAYSTAT
0010 : 49 4F 4E 20 20 20 20 20  20 20 20 20 20 20 20 20   ION             
0020 : 20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20                   
0030 : 20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20                   
 :
 :

Plz try and report.

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reentrant · 2019-04-27 12:55:58

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When subQ crc is 0 DIC stops. When I retried it worked. Is is possible to add some more complex restart logic? If crc is 0 go back 100 sectors and retry reading? This crc 0 thing looks quite random...

Kludge · 2019-04-27 18:23:33

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When I'm finally up and running (and caught up), I'll happily run a script on the entire catalogue if someone can throw together a linux bash script (All files will be DEcompressed, so they'll be far easier to work on rather than needing a decompression routine)

(I'm currently moving from Windows & Multiple Hardware RAID5s with NTFS & data deduplication to Linux & ZFS. It's taking far longer than i'd hoped, but i'll get there!)

Madroms · 2019-04-27 19:47:46

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sarami wrote:

Plz try and report.

Ok will do.

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Madroms · 2019-04-28 16:58:40

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sarami wrote:

Plz try and report.

Tried and reported:

========== LBA[000004, 0x00004]: Main Channel ==========
       +0 +1 +2 +3 +4 +5 +6 +7  +8 +9 +A +B +C +D +E +F
0000 : 20 20 20 20 20 20 20 20  20 20 4C 69 63 65 6E 73             Licens
0010 : 65 64 20 20 62 79 20 20  20 20 20 20 20 20 20 20   ed  by          
0020 : 53 6F 6E 79 20 43 6F 6D  70 75 74 65 72 20 45 6E   Sony Computer En
0030 : 74 65 72 74 61 69 6E 6D  65 6E 74 28 45 75 72 6F   tertainment(Euro
0040 : 70 65 29 00 00 00 00 00  00 00 00 00 00 00 00 00   pe).............
========== LBA[000016, 0x00010]: Main Channel ==========
       +0 +1 +2 +3 +4 +5 +6 +7  +8 +9 +A +B +C +D +E +F
0000 : 01 43 44 30 30 31 01 00  50 4C 41 59 53 54 41 54   .CD001..PLAYSTAT
0010 : 49 4F 4E 20 20 20 20 20  20 20 20 20 20 20 20 20   ION             
0020 : 20 20 20 20 20 20 20 20  44 45 4D 4F 5F 4F 4E 45           DEMO_ONE
0030 : 20 20 20 20 20 20 20 20  20 20 20 20 20 20 20 20                   
0040 : 20 20 20 20 20 20 20 20  00 00 00 00 00 00 00 00           ........

It works.

Another question, probably already replied: why DIC does not create a submission txt file ? Or does anyone create a script for windows (batch file) ? I think I saw one for Linux (?) made by a member, but none for windows.

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sarami · 2019-04-29 04:06:49

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Madroms wrote:

why DIC does not create a submission txt file ? Or does anyone create a script for windows (batch file) ? I think I saw one for Linux (?) made by a member, but none for windows.

You can use DICUI.

reentrant wrote:

When subQ crc is 0 DIC stops. When I retried it worked. Is is possible to add some more complex restart logic? If crc is 0 go back 100 sectors and retry reading? This crc 0 thing looks quite random...

I tried going back, going forward, flushing cache, but it's all in vain...

xTMODx wrote:

i have tried with the /nq option and the plextor 712 drive but DIC crashed then

http://www.mediafire.com/file/eq80y20l9 … st.7z/file
- fixed: tracknum of SubQ manually if /nq is used

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reentrant · 2019-04-29 06:51:25

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I tried going back, going forward, flushing cache, but it's all in vain...

Oh that's quite bad. Maybe eject + load (like hard reset) will make it work?
What happens when crc is 0 - some data is invalid?

sarami · 2019-04-29 09:10:29

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reentrant wrote:

Maybe eject + load (like hard reset) will make it work?

No, in my case. But when changed to the other drive, made it work. This is the same as xTMODx.

reentrant wrote:

What happens when crc is 0 - some data is invalid?

http://www.mediafire.com/file/drnxhe529 … st.7z/file
added test code to retry and output failed sector to _mainError.txt.
In my disc, all subQ is zero, not only crc16 of subQ.

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Madroms · 2019-04-29 20:55:26

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sarami wrote:

Madroms wrote:
why DIC does not create a submission txt file ? Or does anyone create a script for windows (batch file) ? I think I saw one for Linux (?) made by a member, but none for windows.
You can use DICUI.

I know DICUI create such file, but I don't use it as I use my own batch file to do multiple tasks. Ok, so it is not implemented atm.

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Parotaku · 2019-05-01 15:21:57

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Hello Sarami
Using DICUI_1.12.2, I got a problem dumping Philips CD-i disc 'Dimo's quest' (US version) (in perfect condition, no scratch).
It stops with the following error:

LBA[269200, 0x41b90]: [F:ReadCDForCheckingSubRtoW][L:803]
    Opcode: 0xd8
    ScsiStatus: 0x02 = CHECK_CONDITION
    SenseData Key-Asc-Ascq: 05-21-00 = ILLEGAL_REQUEST - LOGICAL BLOCK ADDRESS OUT OF RANGE
lpCmd: d8, 00, 00, 04, 1b, 90, 00, 00, 00, 01, 08, 00
dwBufSize: 2742

Dump result attached to this post...

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user7 · 2019-05-01 16:46:43

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sarami, do you have all the info to add proper multisession dumping / cue info?

We would love to start submitting these discs

http://forum.redump.org/topic/20409/dis … ssion-cue/

All my posts and submission data are released into Public Domain / CC0.

ssjkakaroto · 2019-05-02 00:17:49

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user7 wrote:

sarami, do you have all the info to add proper multisession dumping / cue info?
We would love to start submitting these discs
http://forum.redump.org/topic/20409/dis … ssion-cue/

From what I understand there isn't a consensus on the format, it would be a waste of time for him to implement something that could be changed at any time.

user7 · 2019-05-02 00:21:11

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On the discord, Jackal said to just go with Fireball's suggestion. Better than waiting another 10 years because not everyone can be 100% happy with the spec.

All my posts and submission data are released into Public Domain / CC0.

sarami · 2019-05-02 02:55:50

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Parotaku wrote:

I got a problem dumping Philips CD-i disc 'Dimo's quest' (US version) (in perfect condition, no scratch).
It stops with the following error:

I want to see the sub-channel file. Please dump it by clonecd and upload .sub
And I have a question. Does this disc have the logo of 'compact disc interactive' or 'compact disc digital audio CD-I READY'?

user7 wrote:

Jackal said to just go with Fireball's suggestion.

http://forum.redump.org/post/67312/#p67312 or http://forum.redump.org/post/69074/#p69074 ?
Both format is a little different.

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Parotaku · 2019-05-02 06:52:59

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I want to see the sub-channel file. Please dump it by clonecd and upload .sub
And I have a question. Does this disc have the logo of 'compact disc interactive' or 'compact disc digital audio CD-I READY'?

Done... And it has the 'Compact disc Interactive' logo.

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DiscImageCreator (Page 73 of 142)

Posts: 1,801 to 1,825 of 3,527

1,801 Reply by Madroms 2019-04-25 21:18:57

1,802 Reply by iR0b0t 2019-04-25 22:03:26

1,803 Reply by sarami 2019-04-26 01:07:20 (edited by sarami 2019-04-26 01:14:31)

1,804 Reply by Jackal 2019-04-26 09:42:10 (edited by Jackal 2019-04-26 10:22:47)

1,805 Reply by sarami 2019-04-26 13:31:58

1,806 Reply by xTMODx 2019-04-26 13:54:24

1,807 Reply by sarami 2019-04-26 16:04:22

1,808 Reply by Madroms 2019-04-26 19:16:27

1,809 Reply by RibShark 2019-04-26 20:53:54 (edited by RibShark 2019-04-26 20:54:11)

1,810 Reply by xTMODx 2019-04-26 22:13:37

1,811 Reply by sarami 2019-04-27 10:43:52

1,812 Reply by reentrant 2019-04-27 12:55:58

1,813 Reply by Kludge 2019-04-27 18:23:33

1,814 Reply by Madroms 2019-04-27 19:47:46

1,815 Reply by Madroms 2019-04-28 16:58:40

1,816 Reply by sarami 2019-04-29 04:06:49 (edited by sarami 2019-04-29 04:07:46)

1,817 Reply by reentrant 2019-04-29 06:51:25

1,818 Reply by sarami 2019-04-29 09:10:29

1,819 Reply by Madroms 2019-04-29 20:55:26

1,820 Reply by Parotaku 2019-05-01 15:21:57

1,821 Reply by user7 2019-05-01 16:46:43

1,822 Reply by ssjkakaroto 2019-05-02 00:17:49

1,823 Reply by user7 2019-05-02 00:21:11

1,824 Reply by sarami 2019-05-02 02:55:50

1,825 Reply by Parotaku 2019-05-02 06:52:59

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