IS_TDCW          2887 src/dps8/dps8_iom.c     if (IS_TDCW (p))
IS_TDCW          3039 src/dps8/dps8_iom.c             (IS_TDCW (p)))
IS_TDCW           373 src/dps8/dps8_mgp.c   if (IS_IDCW(p) || IS_TDCW(p))
IS_TDCW          1054 src/dps8/dps8_prt.c 
IS_TDCW           823 src/dps8/dps8_socket_dev.c     if (IS_IDCW (p) || IS_TDCW (p))