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Recovering old Doom Floppy disk

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Reply 20 of 23, by Decrypt

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DaveDDS wrote on 2025-08-13, 15:14:
I've been working on/mostly finished a little tool which might be of use: […]
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I've been working on/mostly finished a little tool which might be of use:

Floppy Disk Recover

use: FDR <drive>: file[.FDR] [options]

opts: -L Low density
-N New
-M force Monochrome
-?F show Format of .FDR
-?I "" Interactive keys
-R Review .FDR (no updaate)) FDR file.FDR
-I Convert .FDR to raw .IMG "" "" outfile

FDR can help recover diskette sectors which fail "normal" reads, but may be
read with minor drive alignment adjustments or other treaks.

It will auto-read the entire disk, show the read-status of the tracks/sectors,
then let you manually seek, select and try reading individual "" as
you "tweak" the drive.

Regretable I'm travelling at the moment, and won't be able to properly update
my site for about a week - if you need it sooner, we could find a way to get
it to you.

This sounds interesting but there's no rush, whenever you can it's fine. Cheers!

Reply 21 of 23, by DaveDDS

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Ok, I have placed in in a "temporary drop" area of my site, you should be
able to get it from my site at:

   https://dunfield.themindfactory.com/Drop/FDR.ZIP

Be sure to read the enclosed FDR.TXT

Dave ::: https://dunfield.themindfactory.com ::: "Daves Old Computers"->Personal

Reply 22 of 23, by Decrypt

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DaveDDS wrote on 2025-08-15, 15:12:
Ok, I have placed in in a "temporary drop" area of my site, you should be able to get it from my site at: […]
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Ok, I have placed in in a "temporary drop" area of my site, you should be
able to get it from my site at:

   https://dunfield.themindfactory.com/Drop/FDR.ZIP

Be sure to read the enclosed FDR.TXT

Hi, Thanks for sending this! I will try it later today.

Reply 23 of 23, by MAZter

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DaveDDS wrote on 2025-08-13, 17:46:

If you want to recover ANY of the original data on the diskette, DON'T go near it with a magnet!

You don't understand, the data on this diskette is not unique, it is free to download from the internet, there is no point in trying to restore content.

100% copy of what Decrypt have on this Doom diskette floppy is available online as floppy image. So he can alway overwrite image to floppy, making it back authenticity.

And recording the image will be better and more reliable than any recovery.

It would be a different matter if it were a unique floppy disk that did not have backups anywhere.

Doom is what you want (c) MAZter