401

(1 replies, posted in Guests & account requests)

Only if you find the disc somewhere and dump it for us. I don't know any owners nor where to buy it.

402

(1 replies, posted in Guests & account requests)

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403

(4 replies, posted in Guests & account requests)

trebor22 wrote:

Should I post something in the Verification Dumps section, or the New Dumps section?

Yes.

404

(23 replies, posted in General discussion)

MagnAyato wrote:

“PreGapMode” = [0,1,2]
most likelly the data type mode of the track's pregap: Mode 1, 2 or 0 (all three valid values for a data track)

“PreGapSubC” = [0,1]
track subchannels, allow or disallow (enabled or disabled)

What does this add to the data files when PreGapSubC = 1 instead of ( PreGapSubC = 0 ) ?

Maybe to support the images with pregaps cut and replaced with the PREGAP command in the cue? And maybe it supports .img files with the pregaps cut and full .sub files as PreGapSubC = 1 and .img files with the pregaps cut and .sub files with the pregaps cut as PreGapSubC = 0? Just a thought, haven't tested.

405

(23 replies, posted in General discussion)

MagnAyato wrote:

H
Post Gap :

I have difficulty defining what a post gap is.
Obviously this is a set of a minimum of 150 sectors.
It is at the end of a track.
Then I have conflicting definitions.
One says that the post gap is contained in a separate index.

[Track]
[index  01][index 02]
              
The other says that the post gap immediately follows the track data.

[Track]
[index  01 (post gap)]

I would like a clarification of what the Red book /Yellow Book standard says.

ECMA-130 wrote:

c)  Post-gap : A last part of a Digital Data Track, not containing user data, and structured in Sectors. It has the
length of at least 150 Sections (at least 2 s). The setting of the Control field of the q-channel and
the setting of the Sector Mode byte are identical with those of the part of the track where the user
data is recorded.

Means no additional indexes/indices. Indexes 02 to 99 are only used for easier navigation, like bookmarks inside the audio track (and aren't normally used for the data tracks at all). Though, on certain 3DO and Sega CD discs the postgap has an additional index, yes, but that's out of the standard (also NGCD uses additional data track indexes as a part of their protection scheme, but that's a different story).

MagnAyato wrote:

Lead Out Transition :

I did not find information on what kind of transition is between
the last track of a session and the lead out.

[last track (audio)] [?] [Lead out]
[last track (data)]   [?] [Lead out]

ECMA-130 wrote:

Lead-in Area
The Lead-in Track is either a Digital Data Track or an Audio Track. If it is a Digital Data Track, it shall be
structured in Sectors and end with a Post-gap. If it is an Audio Track, it shall be according to IEC 908.

ECMA-130 wrote:

Lead-out Area
The Lead-out Track is either a Digital Data Track or an Audio Track. If it is a Digital Data Track, it shall be
structured in Sectors, without Pre-gap. If the Lead-out Track is an Audio Track, it shall be according to IEC 908.

Means the lead-in sectors are of the same type as the first track and the lead-out sectors are of the same type as the last track, no transitions.

MagnAyato wrote:

Mode 1 or 2 track to Audio track transition :

I read in ECMA 394 (13-17) :
"No Pre-gap, start Track with 2 seconds digital silence"
Is that 2 seconds merge with index 01 of audio track or is it encapsulated in an Index 00 ?

It's a very weird table in ECMA-394. Normally, those 2 seconds of digital silence are marked as pregap sectors (index 00).

ECMA-130 wrote:

b)  Pre-gap : A first part of a Digital Data Track not containing user data and encoded as a Pause. It is divided
into two intervals:
- first interval: at least 75 Sections (at least 1 s) coded as the preceding track, i.e. the Control field
(see 22.3.1) of the q-channel (see 22.3) and, in case of a preceding Digital Data Track, the setting
of the Sector Mode byte are identical with those of the previous Information Track;
- second interval: at least 150 Sections (at least 2 s) in which the Control field of the q-channel and
the setting of the Sector Mode byte are identical with those of the part of the track where user
data is recorded. In this interval of the Pre-gap the data is structured in Sectors.

But for the Data to Audio transitions it's usually only the second interval.

PCE discs are tricky, you either need to find one of the recommended Plextor drives or to try to bother with swapping with audio CDs (when you insert some audio CD, stop the drive's motor, open the tray mechanically without touching the Eject button/OS Eject command, replace the disc with PCE one, close it mechanically and try to read the game like audio disc).

407

(3,521 replies, posted in General discussion)

sarami wrote:
F1ReB4LL wrote:

ROM^2 Karaoke Volume 5 (Japan)_2.rar

Uploaded http://www.mediafire.com/file/eq80y20l9 … st.7z/file

EDIT:
Re-uploaded due to removing the debug log

Forgot to say it was dumped properly with that test version - http://redump.org/disc/66810/

408

(3,521 replies, posted in General discussion)

fuzzball wrote:

verifying http://redump.org/disc/28214/

dic: doesn't match db (1 error), logs: https://www.mediafire.com/file/t6kw2n7jz1buy8w
IsoBuster: matches db (no error)

Which is correct?

IsoBuster reads using the 0xBE command, probably the drive itself is fixing this error somehow while descrambling and the DIC dump is correct?

Or maybe it's that cache error again? Have you tried to dump it several times with DIC? If yes, were the checksums the same every time?

Hi! Have you tried to dump it? Is it any different?

410

(10 replies, posted in Guests & account requests)

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411

(1 replies, posted in Guests & account requests)

Would you like to dump and contribute something? Or what kind of membership are you looking for?

412

(1 replies, posted in Guests & account requests)

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413

(4 replies, posted in Guests & account requests)

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416

(1 replies, posted in Guests & account requests)

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417

(3,521 replies, posted in General discussion)

https://mega.nz/#!a9pDAK6R!lic1WG0clvNK … VWKbX13RpQ

    TITLE "Track 1 (CD Text in Japanese only)"
    PERFORMER "Artist CD Text in Japanese only"

Are these strings really encoded as CD Text? Not replaced by DIC?

418

(3,521 replies, posted in General discussion)

sarami wrote:
F1ReB4LL wrote:

http://redump.org/disc/66810/ - why was the 2nd track misdetected as audio? Marked as data in the subs as usual, TOC in disc.txt also says the track type is Data.

Try to use latest test version.

Same.

419

(3,521 replies, posted in General discussion)

http://redump.org/disc/66810/ - why was the 2nd track misdetected as audio? Marked as data in the subs as usual, TOC in disc.txt also says the track type is Data.

420

(3 replies, posted in General discussion)

Nope, these aren't the same cases. For the Audio CD we can merge all the tracks into a single image and shift the whole image by 294 samples to get the match, because the entire disc contents is shifted. While for the 1M/2M/3M/etc. ones only some tracks are shifted and even if you leave the data sectors scrambled and try to shift the whole image, it won't match any other one.

In short:

When the whole image is shifted compared to another one => both discs are the same and are only affected by the write offset, should be merged
When only some tracks are shifted compared to another image (all the tracks are shifted, but not the scrambled data track also belongs here) => both discs are mastered differently and shouldn't be merged

421

(10 replies, posted in Guests & account requests)

Hi! Is it a single-time submission or do you want an account?

422

(1 replies, posted in Guests & account requests)

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423

(1 replies, posted in Guests & account requests)

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424

(1 replies, posted in Guests & account requests)

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425

(3 replies, posted in Guests & account requests)

Speaking of Chinese XBOX releases - do you, maybe, have this and this?