Problem with writing disks back to FDD

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brightcaster
Posts: 476
Joined: Fri Nov 08, 2013 10:48 pm

Re: Problem with writing disks back to FDD

Post by brightcaster »

@mr.vince: Okay, appriciated...

@duddie: Please align the first 79 tracks as SomeGuy described above (ex/import as adf). After that copy the attached track 80 into the folder of the raw files and write everything back to disk...

The whole track 80 is not divided in any sectors but just a stream of bits. Somewhere in there must be a key which is checked by the copy protection (a bit similar to copylock). If the part of the index is involved it can not be copied by an index to index copy. I aligned the track in a way that the index pulse apears just in the middle of the write splice. Please report if that does the trick.

David
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duddie
Posts: 6
Joined: Fri Sep 10, 2021 5:29 pm

Re: Problem with writing disks back to FDD

Post by duddie »

Okay, I have sent PM. I have rights to this dump, anyway, I understand.
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mr.vince
Posts: 2215
Joined: Tue Oct 05, 2010 5:48 pm

Re: Problem with writing disks back to FDD

Post by mr.vince »

Better be safe than sorry; again, no problem as long as it can be declared fair use. And I am sure you'll find ways to transfer the actual data. Also, please share info and shed light on the protection itself.
duddie
Posts: 6
Joined: Fri Sep 10, 2021 5:29 pm

Re: Problem with writing disks back to FDD

Post by duddie »

Thanks to brightcaster, I have managed to make a working copy with protection. Problem was with not aligned tracks. After aligning, copy works flawlessly!
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