Last updated, 2019/07/10

Unlike my other rips, this one was a bit special.

The Tsukihime ~Preview Edition~ was distributed in the form of a 3.5" floppy disk. Unfortunately, floppy disks are prone to physical degradation of their magnetic field and mechanical failure over time. As was the case with my copy, which had numerous bad sectors, resulting in corrupted data. Through the use of the Linux program "ddrescue", I was able to recover the bulk of the data (I did 2 passes). After creating the disk image, I extracted the files and did some quick MD5 hash checks and timestamp checks. This was enough to verify that the original content of the floppy disk is identical to the files distributed in later CDs, in particular, "Tsukihime ~Half Moon Edition~" and "Tsukihime PLUS+DISC".

Instead of just including the final floppy disk image, I've included multiple relevant files for historical reference:
- "ddrescue-pass-1.log" - ddrescue mapfile for the first pass
- "ddrescue-pass-1.png" - ddrescueview generated image of the mapfile for the first pass
- "ddrescue-pass-2.log" - ddrescue mapfile for the second pass
- "ddrescue-pass-2.png" - ddrescueview generated image of the mapfile for the second pass
- "tsukihime-preview-pass-1.img" - first disk image copy generated by ddrescue (first pass)
- "tsukihime-preview-pass-2.img" - updated disk image copy generated by ddrescue (second pass, contains about 2kb more recovered data)
- "tsukihime-preview-recovered.zip" - files extracted from the second pass image (contains corrupt/incompletely recovered files, see below)
- "tsukihime-preview-restored.zip" - combination of extracted files from the disk image and replacement files from CD images to give a complete copy of what the floppy disk originally contained (note: there may be some timestamp discrepancies due to the mix of Linux and Windows used in the process)

The following files are corrupt in the floppy disk image (based on MD5 hash comparisons):
- index.html
- item/akiha/akiha_h.html
- item/akiha/image/akiha_ev.jpg
- item/akiha/image/akiha_fc.gif
- item/akiha/image/akiha_h.jpg
- item/akiha/image/akiha_in.jpg
- item/ark/image/ark_ev.jpg
- item/ark/image/ark_fc.gif
- item/ark/image/ark_h.jpg

~Keripo

