fdselect
fdselect(fdc, unit, 0); /* deselect drive zero (used in fdreset) */
fdselect(fdc, unit, 0);
fdselect(fdc, unit, 0);
fdselect(fdc, unit, 0);
fdselect(fdc, unit, 0);
static void fdselect(struct fdctlr *fdc, int unit, int onoff);
fdselect(fdc, unit, 1);
fdselect(fdc, unit, 1); /* select drive */
fdselect(fdc, unit, 0);
fdselect(fdc, unit, 1); /* Sony requirement */
fdselect(fdc, unit, 0);