Symbol: DSKDRV0
drivers/block/ataflop.c
533
sound_ym.wd_data = (tmp | DSKDRVNONE) & ~(drive == 0 ? DSKDRV0 : DSKDRV1);
drivers/block/ataflop.c
628
~(drive == 0 ? DSKDRV0 : DSKDRV1);