On semi-vacation. MSF/AMSF to LBA/offset and viceversa calculator:link To write properly occidental characters contained in japanese titles:screenshot Spaces must be the fullwidth variant:link / screenshot
/m If MCN sector exists in the last sector of the track, use this
For WonderMega Collection [Mega-CD]
On Mega CD and Saturn titles MCN is always in the last sector of the track. Only PCE titles have MCN in the first sector of the track. You should treat MCN sectors as the last sector of the track by default. And "/m" parameter should be for PCE discs, where "MCN sector exists in the first sector of the track".
/m If MCN sector exists in the last sector of the track, use this
For WonderMega Collection [Mega-CD]
On Mega CD and Saturn titles MCN is always in the last sector of the track. Only PCE titles have MCN in the first sector of the track. You should treat MCN sectors as the last sector of the track by default. And "/m" parameter should be for PCE discs, where "MCN sector exists in the first sector of the track".
These discs sometimes contain a MCN frame in certain audio tracks transitions, where there are no indexes 00 and whatnot in these audio-audio transitions. Those frames belong logically to the next track, as dicted by the TOC.
Certain buggy app (well, not optimized to dump game discs with audio tracks) used in the past (EAC) treated these things as artificial indexes 00, especially when combined with TOC versus subcode desyncs.
On semi-vacation. MSF/AMSF to LBA/offset and viceversa calculator:link To write properly occidental characters contained in japanese titles:screenshot Spaces must be the fullwidth variant:link / screenshot
pablogm123 wrote:These discs sometimes contain a MCN frame in certain audio tracks transitions, where there are no indexes 00 and whatnot in these audio-audio transitions. Those frames belong logically to the next track, as dicted by the TOC.
Certain buggy app (well, not optimized to dump game discs with audio tracks) used in the past (EAC) treated these things as artificial indexes 00, especially when combined with TOC versus subcode desyncs.
No, I've asked to assign these sectors to the previous track by default, since many Saturn and Mega CD ones are mastered this way. Only PCE CD discs need EAN sectors assigned to the next track. Default - EAN goes to the previous sector, /m - EAN goes to the next sector
Only example I have physically (or at least I am aware of that) with that kind of "colission" is track 35 of /disc/29188/. A MCN frame appears in the track 34 - index 01 / track 35 - index 00 transition.
That MCN frame belongs to previous track, pregap is 00:02:02 (Sony style) and, at least this one, was ripped finely by DIC without doing anything special. I didn't specify any /m parameter even if back then was already encoded.
On semi-vacation. MSF/AMSF to LBA/offset and viceversa calculator:link To write properly occidental characters contained in japanese titles:screenshot Spaces must be the fullwidth variant:link / screenshot
Simply, via rereading lots of times the bad sectors until being lucky and get a reread without C2 errors for any bad sector. Not always possible, though.
If the disc to dump is really in awful condition (label side heavily scratched, corroded by long exposition to water, disc edge bad sealed and metallic layer is corroded by oxygen...), no matter how much you reread the problematic sectors, data returned will be always bad and therefore unrecoverable. Miracles don't exist.
Last edited by pablogm123 on Sun Aug 17, 2014 9:27 am, edited 1 time in total.
On semi-vacation. MSF/AMSF to LBA/offset and viceversa calculator:link To write properly occidental characters contained in japanese titles:screenshot Spaces must be the fullwidth variant:link / screenshot
