callType         2844 src/dps8/dps8_sys.c         word18 callType  = (word18) (M[ap + 0] & MASK18);
callType         2847 src/dps8/dps8_sys.c         switch (callType)
callType         2859 src/dps8/dps8_sys.c               sim_msg ("call_type Unknown (%o)\n", callType);