taglinefilesource code
track_shift1973drivers/block/floppy.cint count,head_shift,track_shift;
track_shift1996drivers/block/floppy.ctrack_shift = 2 * head_shift + 3;
track_shift1999drivers/block/floppy.cn = (track_shift * format_req.track + head_shift * format_req.head)