SDA_CMDF_READ
if ((cmdp->sc_flags & SDA_CMDF_READ) != 0) {
cmdp->sc_flags |= SDA_CMDF_INIT | SDA_CMDF_DAT | SDA_CMDF_READ;
flags = SDA_CMDF_DAT | SDA_CMDF_MEM | SDA_CMDF_READ |
flags = SDA_CMDF_DAT | SDA_CMDF_MEM | SDA_CMDF_READ;