1

(1,162 replies, posted in General discussion)

Is it the case just for sector with LBA 10000 or for all sectors >= 10000. It's really weird...

2

(1,162 replies, posted in General discussion)

"I definitely understood the plextor drive has -1 sector offset about C2 error"

Could you explain it?

3

(0 replies, posted in General discussion)

REDUMP: 7th Guest, The (USA) (Disc 1) - Random header and data at last two sectors, should be filled with 0x55?, needs redumping
REDUMP: Archimedean Dynasty, The (USA) - Mastering errors, needs redumping
REDUMP: Beast Within, The - Un Mystere avec Gabriel Knight (France) (Disc 6) - Image starts at 00:02:01
REDUMP: MageSlayer (USA) - 120 random bytes in data track, track 2 looks corrupted, needs redumping
REDUMP: MechWarrior 2 - 31st Century Combat (USA) (Windows 95) (Alt) - Random bytes at end of data track, needs redumping
REDUMP: MechWarrior 2 - Mercenaries (USA) (3Dfx Interactive Edition) - Random bytes at end of data track, needs redumping
REDUMP: Quake II Mission Pack - Ground Zero (USA) - 120 random bytes in data track, needs redumping
REDUMP: Tiger Hunt (Taiwan) - Physical protection, need redumping with OptiArc
REDUMP: Total Meltdown (USA) - Illegal sector headers, needs redumping
REDUMP: Whiplash + VR Soccer '96 (USA) - 120 random bytes in data track, overdumped, needs redumping

TRUSTEDME: Brix 2 Deluxe (Germany) - Mastering error
TRUSTEDME: Brutal - Paws of Fury (Germany) - Mastering error
TRUSTEDME: Dark Secrets of Africa - Das Geheimnis des Pharaonengrabs (Germany) - Mastering error, track 3 has MSF shifted by 150 frames
TRUSTEDME: Doom (USA) (v1.2) (Demo) (19940321) - Mastering error
TRUSTEDME: GameTek 3 in 1 Compilation - Road Warrior + Brutal + Humans 3 (Europe) - Mastering error, lead out in data area
TRUSTEDME: Magic Carpet (Europe) (En,Fr,De,It) - Mastering error
TRUSTEDME: Moto Racer 2 (USA) (En,Fr,De,Es,It,Sv) - Mastering error
TRUSTEDME: Pete Sampras Tennis 97 (Europe) - Mastering error
TRUSTEDME: Requiem - Avenging Angel (USA) - Mastering error
TRUSTEDME: Spec Ops II - Operation Bravo (Europe) (En,Fr,De,Es,It) (Rerelease) - Mastering error
TRUSTEDME: Supergames Volume 10 (Europe) - Mastering error
TRUSTEDME: Supergames Volume 6 (Europe) - Mastering error
TRUSTEDME: Syndicate Plus (USA) (En,Fr,Es,It) - Mastering error
TRUSTEDME: Trolls (Europe) (1995) - Mastering error
TRUSTEDME: XF5700 Mantis - Experimental Fighter (USA) - Mastering error

HARD: Broken Sword - The Shadow of the Templars (Europe) (Disc 1) (Sold Out Software) (19990708) - Pre last sector has unknown mode
HARD: Broken Sword II - The Smoking Mirror (Europe) (Disc 1) (Sold Out Software) - Pre last sector has unknown mode
HARD: Broken Sword II - The Smoking Mirror (Europe) (Disc 2) - Pre last sector has unknown mode
HARD: Chasm - The Rift (Europe) (Sold Out Software) - Pre last sector has unknown mode
HARD: Cyberwar (USA) (Disc 1)\Cyberwar (USA) (Disc 1) - Last and pre last sector has unknown mode
HARD: Cyberwar (USA) (Disc 2)\Cyberwar (USA) (Disc 2) - Last and pre last sector has unknown mode
HARD: Cyberwar (USA) (Disc 3)\Cyberwar (USA) (Disc 3) - Last and pre last sector has unknown mode
HARD: MER Innebandy (Sweden) - Weird mastering errors

VALID: Delta Force (USA) (v1.00.02.00P) - Looks corrupted on the other side (Kludged)
VALID: Formula 1 97 (Europe) - Different flags are ok
VALID: Kreed (Europe) (Disc 1) - Alternating track mode protection
VALID: Kreed (Europe) (Disc 2) - Alternating track mode protection
VALID: Moto Racer 2 (Europe) (En,Fr,De,Es,It,Sv) - Different flags are ok
VALID: Moto Racer 3 (Europe) (En,Fr,De,Es,It,Sv) - Tages twin sectors
VALID: Moto Racer 3 (USA) - Tages twin sectors
VALID: Nox (Europe) (En,Fr,De,Es,It) (Disc 3) (Manuals Disc) (Rerelease) - Multisession

This is a semi-complete list of weird images in IBM PC set. There are 4 categories:
REDUMP - Titles must be redumped.
TRUSTEDME - Titles with mastering errors coming from trusted dumpers (you know what I mean)
HARD - Weird mastering errors. All share a same pattern so it's very unlikely they are bad (weird track mode byte).
VALID - Images with weird stuff. Proper ones.

The obvious corrupted ones are the ones from REDUMP group.

4

(2 replies, posted in General discussion)

Latest disc entry modification is also fine for me. The main idea is to grab cues from n last modified entries easily.

5

(2 replies, posted in General discussion)

Hello,
   I have a small idea. When I download cues from main page, all the files inside archive have the same exact timestamp. Is it possible to change cue timestamps to match modification time of appropriate game? What do you think?

6

(0 replies, posted in Dumps)

http://redump.org/disc/18268/

Mastering SID Code: IFPI LB 46
Mould SID Code: IFPI 0778
Write Offset: -12

Everything else matches 1:1

http://redump.org/disc/34552/

Mastering SID Code: IFPI LB 46
My disc has space in mastering sid code and it doesn't have any mould sid code.
Write Offset: -12

http://redump.org/disc/34551/

Mastering SID Code: IFPI LB 46  (space in mastering sid code)
Mould SID Code: IFPI 0733
Write Offset: -12

http://redump.org/disc/18283/

100% match.

http://redump.org/disc/20803/
Layerbreak is actually: 2060992

Layer 1:
Mastering Code: GMRecords    www.gmrecords.pl    2502532304 L-1
Mastering SID Code: IFPI LT57
Mould SID Code: IFPI Z965

Layer 0:
Mould SID Code: IFPI Z966

Already submitted mould SID codes should start with Z, not 7.

http://redump.org/disc/27578/

Region: Europe
Mastering Code: GW-EU-UK-C1
Mastering SID Code: IFPI LTZ2
Mould SID Code: IFPI UU019
Write Offset: -12
Serial: GW-EU-UK-C1
Barcode: 5 060094 440408

http://redump.org/disc/27579/

Region: Europe
Mastering Code: GW-EU-UK-C2
Mastering SID Code: IFPI LTZ2
Mould SID Code: IFPI UU019
Write Offset: -12
Serial: GW-EU-UK-C2
Barcode: 5 060094 440408

7

(1,162 replies, posted in General discussion)

Sarami it looks like DIC after removal of /rc doesn't pick up SmartE or possibly VOB (/ss doesn't help):
http://forum.redump.org/topic/16532/ibm … um-issues/

Could you have a look at it plz?

8

(2 replies, posted in General discussion)

Use Alcohol or different software. Most of the discs are ripped at 8x but few ripped at fulll speed...

9

(2 replies, posted in General discussion)

Hello,
   Does someone know why does my Plextor 760A seem to be locked to 8x when reading CDs? Did you come across such issue before?

I on the other hand like it very much ^-^

11

(1,162 replies, posted in General discussion)

sarami wrote:
reentrant wrote:

subchannels are corrupted.

This? http://forum.redump.org/post/54682/#p54682

I'm not the original dumper, I only saw the logs. In idlord's case /s 2 didn't help. In one of the logs you output a table describing TOC with pregap and this table is computed using RMSF in SubQ, yes? The problem with the CD is that RMSF in Q channel is bad but not random. For example at some point (say LBA 90000), RMSF is changed to some low value like 00:24:24 and goes up on each frame. After some sectors it restarts again and goes up.

RMSF goes 1 frame up with each sector (it's good) but the value is shifted and it screwes everything...

12

(1,162 replies, posted in General discussion)

I checked idlord's logs and the issue is because subchannels are corrupted.

Listing the different protection schemes for the 8 subcoding channels...
Channel P: no protection, Channel Q: 16-bit CRC, Channels R to W:

[FONT=Arial][SIZE=2][SIZE=2][FONT=Arial][SIZE=2][FONT=Arial]To protect the data in the subcoding channels R to W, a (24, 20) Reed-Solomon error correction code is used. To improve the burst error correction capability, 8 times interleaving is added to this error-correction system. The first two symbols in a PACK have additional protection with a (4, 2) Reed-Solomon error correction code.
[/FONT][/SIZE][/SIZE][/FONT][/SIZE][/FONT]

https://club.myce.com/t/subchannel-issues/195516/9

Sarami maybe you could take the CRC16 from Sub Q and attempt to detect single bit errors by bit swapping each bit in Sub Q and checking if CRC16 matches (CRC16 could also be corrupted). cdgtool is using such approach to clean the subs for random bit errors. Could you implement this simple algorithm. That could solve issue with such rotting CDs...

13

(8 replies, posted in General discussion)

Sector 16, offset 320-370 in isobuster.
Newest DIC puts PVD to one of the log files.

14

(11 replies, posted in General discussion)

It's this:

if(sector[0x10] == sector[0x14] && sector[0x11] == sector[0x15] && sector[0x12] == sector[0x16] && sector[0x13] == sector[0x17]) { OK } else { FLAGS_NOT_SAME }

15

(2 replies, posted in General discussion)

Try to read discs with positive and negative write offsets...

16

(2 replies, posted in General discussion)

What OS ? Recent OS can screw the protectors...

17

(1,162 replies, posted in General discussion)

So in case of this 1024B sector is DIC going to have support for this?

Sarami: Could you made a commit to git with latest changes? I think I have a DVD that fails to dump and I'd like to debug it...

18

(1,162 replies, posted in General discussion)

sarami wrote:

http://redump.org/disc/43476/
File system doesn't corrupt, but CD-ROM that "Logical Block Size" isn't 2048 byte is perhaps rare or irregular. So, I think the OS that is newer than WinXP doesn't support it.

Nice find. Also some tools do not support it either (Total Commander) + 7z.

19

(1,162 replies, posted in General discussion)

In this case it's possible to reimage from mounted image in virtual drive

20

(1,162 replies, posted in General discussion)

It's not a bug in DIC. DIC correctly parses the data. It's disc fault. New operating systems do not detect anything on the cd. Only old Windows show the data (I guess those old versions do not handle Path Table records).

21

(1,162 replies, posted in General discussion)

I just had a small morning debugging session and one of the dumpers found a CD which has corrupted Path Table Record. I inspected it under debugger and basically all fields are off. I think Path Table Records related values in PVD are wrong.

Please add an option to disable reading Path Table Record via command line in order to fight such weird CDs...

Yes

It could this: http://redump.org/disc/42279/

Also Ring PROTECH cannot be dumped with Plextors.
1) Extract AUDIO using DIC.
2) Extract DATA using OptiARC.

This is the only solution...

24

(1,162 replies, posted in General discussion)

I checked under debugger that pDirRec[*nDirPosNum].uiDirNameLen = 0. It's an error during mastering phase?

> Is this solved ?

I forgot which dics it was neutral

25

(1,162 replies, posted in General discussion)

Also I found one bug in CD-Text dumping. In function: SetAndOutputTocCDText -> strlen(pTmpText + uiIdx) crashes. iuIdx has some big value. This only happens with PX760. Other drive reads it correctly. Maybe before parsing those data structures subchannels should be corrected (packed mode read?).