1

(1,174 replies, posted in General discussion)

Have you ever tried to test every sector from 0 to 44849 to find out, which sectors are readable? GD-ROM format is badly documented even in the official SEGA docs. I have "GD-ROM Format Basic Specifications Ver. 2.14 " and "GD-ROM Format Specification Details Ver. 1.32" and they don't even mention the lead-in area for the security zone, the doc says sectors 24600...24940 and 38690...39352 are the 'mirror' (unreadable) areas, but that's not correct, the secutity (ring) area has its own lead-in, it goes before the sector 24941, sectors 24825...24940, I think, but can't say for sure where does it exactly start, since it's hard to read the sectors before 24853 on my drives (but 24853 to 24940 are clearly the security area TOC sectors).
The doc mentions the lead-in area for the HD zone, which contains 6675 sectors and goes before the HD zone, so it _should_ be in the sectors 38175...44849, then, but that means it starts in the 2nd unreadable 'mirror' zone, so I don't understand anything smile

The HD zone starts not at 45000, btw, but at 44850, sectors 44850...44999 contain the 3rd track's pregap.

2

(1,174 replies, posted in General discussion)

What areas does DIC read for DC? 0...leadout and 45000...leadout? Maybe worth to read the 24941...38689 ringcode area as well? Ringcode area goes as a 2nd session with its own TOC (HD area is a 3rd session).

Ringcode photos are way more informative as proofs smile

4

(4 replies, posted in Dumps)

For 310690062-2 "C" is a toolstamp, for the rest those are parts of the additional mould text, IMO.

5

(39 replies, posted in Dumps)

Why not to ask the seller about the ringcode before bidding/buying? smile

6

(4 replies, posted in Dumps)

Mastering Code (Ringcode): 8100082V104 50407341 01 >

Exactly spaces? 2 and more spaces should be replaced with the [TAB] symbols. Ringcode photos are also welcome, if possible.

DiscImageCreator 20171010

Logs?

7

(4 replies, posted in Guests & account requests)

8

(4 replies, posted in Guests & account requests)

¿

9

(2 replies, posted in Dumps)

Logs?

ajshell1 wrote:

Additional Mould Text (Label Side): MADE IN USA*DIGITAL AUDIO DISC CORP. D (R)

Photo? I've seen a couple of them, but with no text there.

ajshell1 wrote:

I've never seen a Sega Saturn disc in person before, so I'm not sure if all Saturn discs have this, but mine has a bit of mastering code on the outer region of the disc:
PRODUCED BY or UNDER LICENSE FROM SEGA ENTERPRISES, LTD.    TRADEMARK "SEGA"
With "Sega" stylized to look like their logo.

It's a part of the protection, the console checks for this text and boots only if it's there - http://forum.redump.org/topic/3367/sega-saturn-cp-talk/
Same for Dreamcast.

10

(9 replies, posted in Dumps)

AirDC = DC++? Maybe easier/faster to make a DHT trackerless torrent?

11

(9 replies, posted in Dumps)

Either full logs (not really needed, but I could keep them just in case) + pics or pics only (to check the pics and 'green' the rings according to them); as for the cues, locking them isn't possible atm for 2 reasons: 1) no subs for the HD area (hope, Sarami will find a solution); 2) we still need to implement the multisession support somehow (and for DC it is harder to do, since there is a 'hole' between 2 sessions).

12

(9 replies, posted in Dumps)

jhmiller: do you have a single MEGA folder with all the logs/pics, so I could download them at once?

13

(9 replies, posted in Dumps)

We've already duscussed that, subchannels are needed to 'green' them. Right now, it's impossile to check for the possible metadata flags.

Enker wrote:

That's why I mark the topics as [V_RING]

And what does it mean, btw?

14

(7 replies, posted in Dumps)

retaliator wrote:

Title: Amiga Magazin CD 6-7/1998
http://redump.org/disc/17132/
...
Mastering Code: 822.068.000.000.0    #1    mastered by KOCH
Mastering SID Code: N/A
Mould SID Code (Cover): 3005

3005, not 3002? Tried to look from different angles and sides?

retaliator wrote:

Title: Amiga Magazin CD 9-10/1997
http://redump.org/disc/17127/
..
Mastering Code: AMIGA 997 285 JUL 97    MPO    01 @@@ 9

285 - typo?

15

(15 replies, posted in Dumps)

Surgical Strike (USA) (Disc 1)

That would be confusing, since it doesn't have (Disc 1) there.

16

(15 replies, posted in Dumps)

Schrodinger wrote:

When I search for 32XCD games in http://redump.org/discs/system/scd/sort/edition/ I only find the ones with "Sega CD 32X" tag in Edition field.

See that only Fahrenheit has "32X CD" tag, only in dat information

Changed to "Sega CD \ 32X CD" as proposed above, now they are all nearby.

Schrodinger wrote:

Another thing is besides that info on Surgical cd "(Insert Key Disc 1 First)", it's not necessary the first cd to run the 32XCD version, differing from fahrenheit case.

Those are 'disc number' and 'disc title' tags, if those were added for Fahrehnheit, logically, they should be added for Surgical Strike 32x as well.

17

(15 replies, posted in Dumps)

Yes, that's why Disc 1 has "(Sega CD)" in its filename and Disc 2 has "(32X CD)". Edition is for the box, which is only 1.

18

(7 replies, posted in Dumps)

retaliator wrote:

Title: Amiga Magazin CD 1/1998
http://redump.org/disc/17130/
System: Commodore Amiga CD
Media: CD
Category: Coverdisc
Dumped with: DiscImageCreator Build_20170901
Region: Germany
Languages: German
EXE Date: 1997_12_15
Version: N/A
Barcode: N/A
Mastering Code: AMIGA 298 16 DEC 97    MPO    01 @@ 9
Mastering SID Code: IFPI L032
Mould SID Code (Data): IFPI 120E
Toolstamp: 02

Edition: Original
Number of tracks: 1
Write Offset: 0

Amiga Magazin CD 2/1998, as I understand (according to the ringcode and link, also, the real 1/1998 was in another thread), no log for it?

19

(15 replies, posted in Dumps)

Both discs belong to the same release, it can't be different for Disc 1 and Disc 2. Can change to something like "Sega CD \ 32X CD" for both.

Shouldn't we omit those already? hmm No-Intro doesn't use them and the naming convention pdf says not to include the publisher's name that goes before the title unless it was really turned into a part of the title (like, Sega Rally).

21

(10 replies, posted in General discussion)

sarami wrote:

General 'Photo CD' is yes.

Yes, found it, there is PVD after some weird header.

22

(10 replies, posted in General discussion)

'Acorn Archimedes' -- I don't have any
'Bandai / Apple Pippin' -- Pippin = Mac, HFS f/s. I don't see any PVDs for Mac discs, but there must be a reason why these are enabled for Macintosh
'Bandai Playdia' -- yes
'Commodore Amiga CD' -- yes
'Commodore Amiga CD32' -- yes
'Commodore Amiga CDTV' -- yes
'Enhanced CD' -- yes
'Mattel HyperScan' -- yes
'Microsoft Xbox' -- I don't have any
'Namco / Sega / Nintendo Triforce GD-ROM' -- Triforce = Gamecube, can't see any PVDs inside.
'NEC PC Engine CD / TurboGrafx-CD' -- no
'NEC PC-88 series' -- no
'NEC PC-FX / PC-FXGA' -- no
'Palm' -- I don't have any, but these are PC/Win discs with palm soft installers, as I understand, so, most likely, yes.
'Panasonic 3DO Interactive Multiplayer' -- no
'Philips CD-i' -- yes
'Photo CD' -- no
'Sega CD - Mega-CD' -- yes
'Sega Chihiro GD-ROM' -- I don't have any
'Sega Dreamcast GD-ROM' -- yes, but every session has its own PVD, I don't know, whether they always match or not. Same for the multisessional IBM PC discs, btw.
'Sega Lindbergh' -- I don't have any.
'Sega Naomi 2 GD-ROM' -- I don't have any, same as the next one?
'Sega Naomi GD-ROM' -- yes, same as normal DC GD-ROMs
'Sega Saturn' -- yes
'Sharp X68000' -- I don't have any
'SNK Neo Geo' -- yes
'Tandy / Memorex Visual Information System' -- yes
'Tao iKTV' -- I don't have any
'Tomy Kiss-Site' -- yes
'Video CD' -- yes
'VM Labs NUON' -- yes
'VTech V.Flash' -- yes

23

(10 replies, posted in General discussion)

sarami wrote:

And PVD is useful too. Why isn't there PVD field in psx db?

Only iR0b0t can answer.

While it is a random error, it seems DIC has changed this sub sector completely, not only detected and fixed the bad bits. It shouldn't alter the .sub sectors.

No luck with PSX discs for me (neither with or without the additional lighting from IR flashlight), though, ack2121 says he was able to get the good ring photo using the IR flashlight in addition to the phone's flash.