MOBJ_READ_4
orig_val = MOBJ_READ_4(mac, BWI_COMM_MOBJ, 0);
val = MOBJ_READ_4(mac, BWI_COMM_MOBJ, 0);
val = MOBJ_READ_4(mac, BWI_COMM_MOBJ, 0);
MOBJ_READ_4((mac), (objid), (ofs)) | (bits))
MOBJ_READ_4((mac), (objid), (ofs)) & ~(bits))