Reason I ask is that I just had a look under Linux and it's possible (at
least with 2.6 kernels - no idea about earlier) to setup the FDC from
user-land via the fd floppy device.
--
And there is code to do make floppy images with this
http://dmklib.brouhaha.com
Probably needs to be some code to go between dmk and teledisk, since
dmklib is currently read-only.