https://github.com/xtcrefugee/gotek-usb-batch-files
https://goughlui.com/2013/04/24/review-unbranded-1-44mb-usb-100-floppy-emulator/
https://goughlui.com/2013/05/19/review-gotek-system-sfr1m44-u100k-usb-1000-floppy-disk-emulator/
https://dfarq.homeip.net/gotek-floppy-emulator-for-retro-pcs/
https://github.com/picosonic/bbc-fdc
http://beebwiki.mdfs.net/Acorn_DFS_disc_format