[SS] Something about dumping Saturn games (updated 04/12/08)

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Rocknroms
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[SS] Something about dumping Saturn games (updated 04/12/08)

Post by Rocknroms »

The following are some considerations and discoveries after dumping more than 200 Saturn discs:

1) Write Offset.

It seems that ring codes have something to do with write offset in the following way:

- when there's a ring code ending with A, B or C the w.offset is always +18

- when there's a ring code ending with C xx the w.offset normally is +0 (By the way in this case we may have many alternatives audio tracks as it seems there was more than one master copy). Some ring codes are missing, by the way in this case w.offset can be also +222 or else (like https://redump.info/disc/1431/ and https://redump.info/disc/2767/).

- when there's a ring code ending with V we can have different values for w.offset, but the most common are +390 and +684.

So the most common w.offset for Saturn discs seems to be +0, +18, +390 and +684

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2) Problems and anomalies in dumping process.

I've dumped all my games both with PerfectRip and EAC (and IsoBuster where's needed) to check and avoid bad tracks dumping.
PerfectRip sometimes gives bad results, the most common are the following:

----------------------------------

A) Data track with errors in log and after checking with CDMage.

Solution 1: Redump data track alone without audio tracks
Solution 2: Slow down reading speed
Solution 3: a- Take bad dump, dump the same data track with Isobuster (subtracting track02 pregap)
b - check bad track with CDMage and import sectors from data track dumped with Isobuster (this is only if someone wants to check it, the data track dumped with IB normally is good).

----------------------------------

B) First audio track (normally "track02") may have garbage in pregap (you can find this if you dump tracks also with EAC as PR doesn't report any dump or C2 error).

If you open the track with an Hex editor you'll find 2 or more -12 bytes- code strings = | 26 48 26 48 26 48 26 48 26 48 26 48 | in the first sectors.

Solution: Simply redump track with EAC.

This problem was found in the following games:

- Bubble Bobble also featuring Rainbow Islands (E) - https://redump.info/disc/3907/
- DecAthlete (J) - https://redump.info/disc/3252/
- Magical Night Dreams - Cotton 2 (J) - https://redump.info/disc/3889/

----------------------------------

C) Wrong "track02" pregap, bigger pregap and so smaller data track and sectors of data in "track02" pregap.

Solution: Forget PR and dump the old way IsoBuster+EAC.

This problem was found in the following games:

- Puyo Puyo Sun (J) - https://redump.info/disc/3766/
- Waku Waku Puyo Puyo Dungeon (J) - https://redump.info/disc/3751/

Moreover the following games have wrong pregap detection both on PR and EAC with a Plextor:

- Panzer Dragoon (J) - https://redump.info/disc/2636/ and https://redump.info/disc/3243/
- SteamGear Mash (J) - https://redump.info/disc/3890/

[s]PS: there are other cases where point A, B and C are mixed.[/s]

----------------------------------

D) No pregap for some tracks in PR, but pregap with EAC.

- PR adds pregap to previous track.

- EAC move one sector to previous track if it finds mode=0x02 sectors (look down for Dremora explanation).

This is the most strange problem found with PR/EAC

Solution: Redump track with 0 pregap with EAC, check subcode (dump CD with CloneCD or Alcohol and open .SUB) with sca for 0x02 mode sectors. If first sector of one of the problematic tracks is 0x02, move this sector to previous track.

Here is the list of dumped games, and tracks pairs, with this problem (there could be many others).
Arcade Gears Vol.3 - Wonder 3 (J) (Track 05-06)
https://redump.info/disc/5057/
SUB ---> T-26107G
Analysis: Track06 first sector is 0x02
Capcom Generation - Dai 3 Shuu Kokoni Rekishi Hajimaru (J) (Track 37-38, 40-41)
https://redump.info/disc/3652/
SUB ---> T-1234G
Analysis: Track38 & Track41 first sector is 0x02
Capcom Generation - Dai 4 Shuu Kokou no Eiyuu (J) (Track 13-14, 29-30)
https://redump.info/disc/3653/
SUB ---> T-1235G
Analysis: Track14 & Track30 first sector is 0x02
Chibi Maruko-Chan no Taisen Puzzledama (J) (Track 01-02)
https://redump.info/disc/3850/
SUB ---> T-9507G
Analysis: Track02 first sector is 0x02. No w.offset changing.
ClockWerx (J) (Track 05-06)
https://redump.info/disc/3669/
SUB ---> iR0b0t's dump
Analysis:
Cyberbots - Fullmetal Madness (J) (Track 21-22)
https://redump.info/disc/3669/
SUB ---> T-1216G
Analysis: Track22 first sector is 0x02
*** TOC Serpentine structure
Digital Pinball - Last Gladiators (J) (Track 61-62, 72-73)
https://redump.info/disc/4944/
SUB ---> T-18901G
Analysis: Track62 first sector is ok and Track73 first sector is 0x02
Dynamite Deka (J) (Track 08-09, 27-28)
https://redump.info/disc/3522/
SUB ---> GS-9122
Analysis: Track09 first sector is 0x02, Track28 first sector is ok.
Fighting Vipers (J) (Track 09-10)
https://redump.info/disc/5063/
SUB ---> GS-9101
Analysis: Track10 first sector is 0x02
Gokujou Parodius Da! Deluxe Pack (J) (Track 2-3)
https://redump.info/disc/3852/
SUB ---> T-9501G
Analysis: Track03 first sector is ok
Gunbird (J) (Track 09-10)
https://redump.info/disc/5018/
SUB ---> T-14402G
Analysis: Track10 first sector is 0x02
Gussun Oyoyo S (J) (Track 09-10, 16-17, 40-41)
https://redump.info/disc/5047/
SUB ---> T-26101G
Analysis: Track10, Track17 & Track41 first sector is 0x02
King of Fighters '96, The (J) (Track 12-13)
https://redump.info/disc/5250/
SUB ---> iR0b0t's dump
Analysis:
Magical Drop 2 (J) (Track 24-25)
https://redump.info/disc/3518/
SUB ---> GS-9104
Analysis: Track25 first sector is 0x02
Mizubaku Daibouken (J) (Track 17-18)
https://redump.info/disc/4948/
SUB ---> T-19910G
Analysis: Track18 first sector is 0x02
O-chan no Oekaki Logic (J) (Track 06-07)
https://redump.info/disc/3315/
SUB ---> p_star's dump
Analysis:
Pastel Muses (J) (Track 12-13)
https://redump.info/disc/5108/
SUB ---> T-30602G
Analysis: Track13 first sector is 0x02
Princess Crown (J) (Track 6-7)
https://redump.info/disc/4901/
SUB ---> T-14418G
Analysis: Track07 first sector is 0x02
Pukunpa - Joshikousei no Houkago... (J) (Track 23-24)
https://redump.info/disc/4910/
SUB ---> T-16802G
Analysis: Track24 first sector is 0x02
Puzzle Bubble 2X (J) (Track 09-10)
https://redump.info/disc/3559/
SUB ---> T-1106G
Analysis: Track10 first sector is 0x02
*** TOC Serpentine structure
Real Bout Garou Densetsu Special (J) (Track 18-19)
https://redump.info/disc/1747/
SUB ---> p_star's & asapy's dump
Analysis:
Samurai Spirits - Amakusa Kourin (J) (Track 15-16)
https://redump.info/disc/3710/
SUB ---> T-3116G
Analysis: Track16 first sector is 0x02
Sega Rally Championship (J) (Track 15-16)
https://redump.info/disc/3227/
SUB ---> GS-9047
Analysis: Track16 first sector is 0x02
Street Fighter Zero (J) (v1.002) (Track 02-03)
https://redump.info/disc/3661/
SUB ---> T-1206G
Analysis: Track03 first sector is 0x02
Street Fighter Zero (J) (v1.002) (Alt) (Track 33-34)
https://redump.info/disc/5263/
SUB ---> T-1206G
Analysis: Track34 first sector is 0x02
Strikers 1945 (J) (Track 1-2)
https://redump.info/disc/4898/
SUB ---> T-14407G
Analysis: Track02 first sector is ok, last sector of data track is 0x02 so here this sector is put at the end of track by EAC.
Tenchi wo Kurau II - Sekiheki no Tatakai (J) (Track 36-37)
https://redump.info/disc/3666/
SUB ---> T-1207G
Analysis: Track37 first sector is 0x02
Thunderhawk 2 - Firestorm (G) (Track 06-07)
https://redump.info/disc/5194/
SUB ---> iR0b0t's dump
Analysis: Serpentine pregap
Tokimeki Memorial Taisen Tokkaedama (J) (Track 12-13)
https://redump.info/disc/3865/
SUB ---> T-9524G
Analysis: Track13 first sector is 0x02
Willy Wombat (J) (Track 10-11)
https://redump.info/disc/4905/
SUB ---> T-14306G
Analysis: Track11 first sector is ok
*** I saw P_star dumped a pair of EU-US games with same strange gaps, with exception of anomalies above, both EAC and PR give the same serpentine pregaps structure.

----------------------------------

3) Games with INDEX > 1
Dark Savior (J) - https://redump.info/disc/5045/ - real cue
Magical Drop (J) - https://redump.info/disc/4206/ - real cue
Monster Slider (J) - https://redump.info/disc/5052/ - real cue
Nanatsu no Hikan (J) (Disc 1) - https://redump.info/disc/5270/ - real cue
Nanatsu no Hikan (J) (Disc 2) - https://redump.info/disc/5271/ - real cue
Nanatsu no Hikan (J) (Disc 3) - https://redump.info/disc/5272/ - real cue
Prikura - Princess Clara Daisakusen (J) - https://redump.info/disc/4916/ - real cue
4) Other games with serpentine pregaps

The games below have serpentine pregap but don't have the problem of point 2.
King of Fighters '95, The (J) (Track 04-05, 11-12, 14-15, 17-18, 20-21, 24-25)
https://redump.info/disc/1874/
SUB ---> T-3101G
Analysis: Actual pauses are exactly 150 sectors, but according to the Q-channel, those pregaps are 149 sectors long.
5) Other anomalies

The games below have only one track with different pregap from 2.00 or 1.74.
Kyutenkai (J)
https://redump.info/disc/3716/
SUB ---> T-1801G
Analysis: Track pregap is really 2.01, please beware that EAC reports 2 sectors more pregap for every track (2.00 ---> 2.02 and 2.01 ---> 2.03).
Whizz (J)
https://redump.info/disc/5164/
SUB ---> T-36102G
Analysis: Seems the opposite of Gunbird, sync errors that put real pregap to 2.02. Subcode reports 2.00, but if you take this pregap the last 2 sectors of data will be void (fffff...) and px_d8 reports sync error while checking w.o. on those sectors. To get a w.o. you have to go back to 2.02. Moreover IsoBuster reports errors while track extraction.
Last edited by Rocknroms on Tue Oct 07, 2008 8:13 pm, edited 1 time in total.
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by p_star »

Rocknroms wrote:The following are some considerations and discoveries after dumping quite 150 Saturn discs:

1) Write Offset.

It seems that ring codes have something to do with write offset in the following way:

- when there's a ring code ending with A, B or C the w.offset is always +18

So the most common w.offset for Saturn discs seems to be +0, +18, +390 and +684
Sometimes sutch CDs come to an end on K and J. WOffset not always +18. Sometimes in garbage it is possible to observe synchro.

Gaps between audiotracks depend from WOffsets.
If on a disk there are no anomalies, that is traced dependence:
WO 0, +18 or +222 ======== Gaps 2.00 sec
WO +390, +684 ========== Gaps 1.74 sec

Thanks Rocknroms, for a long time I wished to write something similar, but stirs lack of knowledge of English language. Image
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by Rocknroms »

Thanks P_star.

I forget to say that my conclusions are basically on Japanese games. USA and EU games have some more different ring code structures.
So about w.o. = +18 I mean basically Japanese games.

By the way the mean conclusion about SS w.o. is that they are more regular than SCD, PCE and Amiga ones. About this aspect: Dremora could add +18, +390 and +684 as common offsets in the wip disc form if he stands it could be usefull.

I notice now also your conclusion about gaps.

PS: Even my English is not the best around Image
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by Rocknroms »

About point 2-D also the following Sega CD games have the same PR problem

Puggsy (U) (Track 04-05, 11-12) - https://redump.info/disc/4106/
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by Rocknroms »

This is the real TOC / CUE of Prikura - Princess Clara Daisakusen (J), detected both by PerfectRip and EAC.

Multiple INDEX are voice effects joined in one track.

I added to the wip the same way of Magical Drop (J) only with INDEX 00 and INDEX 01.

Code: Select all

REM Tool: PerfectRip
REM Date & time: 03/10/2008 18.58.16
REM Drive: PLEXTOR DVDR   PX-760A  1.07

CATALOG 0000000000000
FILE "01.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 01 MODE1/2352
    INDEX 01 00:00:00
FILE "02.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 02 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:02:00
FILE "03.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 03 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "04.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 04 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "05.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 05 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "06.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 06 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "07.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 07 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "08.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 08 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "09.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 09 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "10.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 10 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "11.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 11 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "12.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 12 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "13.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 13 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "14.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 14 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "15.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 15 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "16.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 16 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "17.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 17 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "18.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 18 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "19.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 19 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "20.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 20 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "21.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 21 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "22.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 22 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "23.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 23 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
FILE "24.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 24 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:04:52
    INDEX 03 00:07:57
    INDEX 04 00:12:10
    INDEX 05 00:15:34
    INDEX 06 00:18:57
    INDEX 07 00:22:05
    INDEX 08 00:25:27
    INDEX 09 00:29:55
    INDEX 10 00:32:60
FILE "25.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 25 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:06:73
    INDEX 03 00:16:27
    INDEX 04 00:20:37
    INDEX 05 00:32:25
    INDEX 06 00:36:53
    INDEX 07 00:40:21
    INDEX 08 00:45:15
    INDEX 09 00:49:50
    INDEX 10 00:54:19
    INDEX 11 00:57:42
    INDEX 12 01:00:55
    INDEX 13 01:10:03
    INDEX 14 01:13:36
    INDEX 15 01:16:69
    INDEX 16 01:22:26
FILE "26.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 26 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:07:65
    INDEX 03 00:17:62
    INDEX 04 00:27:24
    INDEX 05 00:33:42
    INDEX 06 00:40:52
    INDEX 07 00:45:47
    INDEX 08 00:49:22
    INDEX 09 00:55:06
    INDEX 10 00:59:10
    INDEX 11 01:02:73
    INDEX 12 01:07:56
    INDEX 13 01:13:29
    INDEX 14 01:20:22
FILE "27.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 27 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:08:16
    INDEX 03 00:12:45
    INDEX 04 00:18:22
    INDEX 05 00:21:18
    INDEX 06 00:26:37
    INDEX 07 00:30:32
    INDEX 08 00:33:35
    INDEX 09 00:37:47
FILE "28.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 28 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:05:29
    INDEX 03 00:12:41
    INDEX 04 00:15:64
    INDEX 05 00:24:67
    INDEX 06 00:28:61
    INDEX 07 00:32:60
    INDEX 08 00:35:70
    INDEX 09 00:43:46
    INDEX 10 00:47:74
    INDEX 11 00:53:61
    INDEX 12 00:59:33
    INDEX 13 01:05:67
    INDEX 14 01:11:20
    INDEX 15 01:18:56
    INDEX 16 01:21:69
    INDEX 17 01:26:66
    INDEX 18 01:31:26
    INDEX 19 01:38:23
    INDEX 20 01:42:32
    INDEX 21 01:48:05
    INDEX 22 01:52:66
    INDEX 23 01:58:45
FILE "29.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 29 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:09:26
    INDEX 03 00:14:08
    INDEX 04 00:22:30
    INDEX 05 00:24:60
    INDEX 06 00:30:09
    INDEX 07 00:35:15
FILE "30.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 30 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:10:04
    INDEX 03 00:16:14
    INDEX 04 00:20:48
    INDEX 05 00:29:04
    INDEX 06 00:34:27
    INDEX 07 00:42:20
FILE "31.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 31 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:10:67
    INDEX 03 00:16:40
    INDEX 04 00:19:56
    INDEX 05 00:27:27
    INDEX 06 00:30:56
FILE "32.- Prikura - Princess Clara Daisakusen (J).track.pcm" BINARY
  TRACK 32 AUDIO
    INDEX 00 00:00:00
    INDEX 01 00:01:74
    INDEX 02 00:11:35
    INDEX 03 00:15:36
    INDEX 04 00:25:65
    INDEX 05 00:31:69
    INDEX 06 00:35:40
    INDEX 07 00:42:67
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by Jackal »

I'm glad you're investigating this. As far as I can guess there are still plenty of other unneccesary dupes in the db that should be identical if dumped properly.

I hope Dremora can make you a moderator so that you can add the dumps and fixes yourself, because I don't know if anyone else is doing it. Just make sure you remove the dump comments from the comments field Image
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by Rocknroms »

Vigi wrote:I'm glad you're investigating this. As far as I can guess there are still plenty of other unneccesary dupes in the db that should be identical if dumped properly.

I hope Dremora can make you a moderator so that you can add the dumps and fixes yourself, because I don't know if anyone else is doing it. Just make sure you remove the dump comments from the comments field Image
Thanks Vigi for your feedback! I will be glad to be. Image
About comment I added in comment field it was to help a new dumper to understand what's the matter. I'll add these informations in this thread and when I'll have some free time I could make a faq about SS dumping.
After I'll finish to dump all my SS disc I'll upload SUB for the disc with PR pregap detection problem (I was wondering if this happens for a mastering error, or this may be factory setting, that add 1 sector of pregap to tracks affected by).
Thanks!
Last edited by Rocknroms on Sun Oct 05, 2008 5:32 am, edited 1 time in total.
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by F1ReB4LL »

Rocknroms wrote:As soon as I have time and will I'll take subs for all the games above.
So, could you do them? I've already explained you, why most of them (if not all) are dumped wrong.
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by Rocknroms »

Yes, I'll do them as soon as possible. Sorry but I'm busy in these days.
By the way you explained me the EAN issue, but not WHY (I'm not a zombie Image) I have to move sectors... as I said this has to be discussed (there are similar sectors even in the middle of the pregap, look at Gunbird for example (http://www.rocknroms.net/subs/T-14402G.rar).

PS: I had thought the same "moving sectors" of you since the beginning of my dumps, but I need a confirmed matter.

PS2: Games like Cyberbots and Puzzle Bubble will have only interested tracks to be moved in sectors, other track are like this 100%... serpentine.
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Re: [SS] Something about dumping Saturn games (updated 04/12/08)

Post by F1ReB4LL »

Because EAC counts that EAN sector as the first sector of the next track's pregap, but it's wrong.
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