taglinefilesource code
olddor714drivers/block/floppy.cregister unsigned char drive, unit, newdor,olddor;
olddor719drivers/block/floppy.colddor = FDCS->dor;
olddor720drivers/block/floppy.cnewdor =  (olddor & mask) | data;
olddor721drivers/block/floppy.cif (newdor != olddor){
olddor722drivers/block/floppy.cunit = olddor & 0x3;
olddor723drivers/block/floppy.cif (is_selected(olddor, unit) && !is_selected(newdor,unit)){
olddor736drivers/block/floppy.cif (!is_selected(olddor, unit) && is_selected(newdor,unit)){
olddor743drivers/block/floppy.cif (olddor & FLOPPY_MOTOR_MASK)
olddor745drivers/block/floppy.creturn olddor;