The HxC Floppy Drive Emulator is a software and hardware system created by jfdn aka Jeff.

The aim of this project is to replace the floppy disk drive by an electronic device emulating the floppy disk drive (list of supported Computer/Hardware).

There are two differents emulators:

• A USB version which allows to connect the floppy disk drive interface of the computer to a PC via a USB cable.
• A SDCARD version which allows to emulate floppy disks which images are stored in a SDCARD.

Release notes for the HxCFloppyEmulator software v1.6.8.0:

• New track generator implemented.
• Use of the new track generator for Most of file loaders.
• New files Support : *.ADF Amiga/UAE Extended ADF file format (old and new format)
• New files Support : *.ADF Acorn  file format.
• New files Support : *.SSD/*.DSD Acorn BBC file format.
• New files Support : *.ADL Acorn BBC file format.
• New files Support : *.D77/*.88D/*.D8U/*.2D/*.D68
• New files Support : *.FDI file format. (Zx Spectrum…)
• New files Support : *.LDF (CamputersLynx) file format. (Beta)
• New files Support : *.D81 file format (C64+1581). (Beta)
• New files Support : *.DMK file format (TRS-80)
• New files Support : *.vegasdsk file format (“Tavernier” / Vegas 6809)
• D88 files Support : 1DD format support.
• … full release notes here

source: hxc2001.free.fr