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Feature Request - New var2 setting for /c2 that corrects c2 errors as the scm is being created, not after (/c2 var1 2) #147

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ehw opened this issue Sep 6, 2022 · 0 comments

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@ehw
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ehw commented Sep 6, 2022

Is your feature request related to a problem? Please describe.
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We're currently trying to dump GD-ROMs using the audio trap disc method using a drive that is capable of C2 error correction and scramble read opcode 0xd8 (a Plextor PX-708A). We're noticing that the drive experiences issues. when retrying C2 errors possibly due to seeking issues because of the altered TOC caused by either the audio trap disc or the GD-ROM itself. Even if DIC says that its correcting errors, it doesn't seem to be. This might be caused by seeking issues on the drive because it doesn't know where to align the laser when going back to retry C2 errors.

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It would be cool if there was a third option for var2 with the /c2 command (/c2 var1 2) that will retry c2 errors as they're discovered when dumping the .scm, rather than waiting for the .scm to be made before C2 retries can be done.

This way, the drive will never need to seek back to a random location, causing issues with rereads. DIC will take care of what it can per sector without needing to seek back.

Describe alternatives you've considered
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I can't think of any alternative to this feature.

Additional context
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Refer to the GD-ROM /c2 issue that might stem from this one.

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