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keirf / flashfloppy

Floppy drive emulator for Gotek hardware
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D88 format support #288

Open tdaede opened 4 years ago

tdaede commented 4 years ago

This is a format used for various Japanese computer images (including the PC-98). https://fjkraan.home.xs4all.nl/comp/px4/vfloppy/d88Format.html Unlike other PC-98 formats, this one supports varying sector size and density on a per track basis, so it will be a bit more complex to implement.

SuperTurboZ commented 4 years ago

Many Japanese users will want to support D88. Since D88 needs to move a lot of track data depending on the track write, it is not suitable for emulators with small RAM. I think it is better to support read-only or automatically pre-convert to HFE .

tdaede commented 4 years ago

My plan is to support reading and writing, but not formatting. All of the structures are fixed length as long as you write with the same sector size as it was formatted, so it should work out OK.

Peredonov commented 2 months ago

I can see it's been a while since D88 support was requested. While waiting for it, is conversion to HFE recommended, or is there a better format to convert D88 files for use with Flashfloppy?