FDCMD_READ
if (fc.fdc_cmd == FDCMD_READ || fc.fdc_cmd == FDCMD_WRITE) {
spc = (fc.fdc_cmd == FDCMD_READ)? B_READ: B_WRITE;
if (fc.fdc_cmd == FDCMD_READ || fc.fdc_cmd == FDCMD_WRITE) {
spc = (fc.fdc_cmd == FDCMD_READ)? B_READ: B_WRITE;