Originally Posted by shattered
Agat floppies are either 140K GCR (format is identical to Apple's) and 840K MFM (80 tracks, 2 heads, 21 sectors, 256 bytes per sector), but the address marks etc. aren't standard: https://raw.githubusercontent.com/sintech/AGAT/master/docs/agat-840k-format.txt

Quick and dirty HLE of this 840K controller appears to work -- the rest of emulation, not so much. Alice in Wonderland translation patch doesn't go beyond these startup screens:

[Linked Image from img-fotki.yandex.ru]
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[Linked Image from img-fotki.yandex.ru]