DSKDIREC          526 drivers/block/amiflop.c 	prb &= ~DSKDIREC;
DSKDIREC          539 drivers/block/amiflop.c 	prb |= DSKDIREC;
DSKDIREC          592 drivers/block/amiflop.c 	prb |= DSKSIDE | DSKDIREC;
DSKDIREC          597 drivers/block/amiflop.c 		prb &= ~DSKDIREC;