argCount         2877 src/dps8/dps8_sys.c         word16 argCount  = (word16) ((M[ap + 0] >> 19) & MASK17);
argCount         2880 src/dps8/dps8_sys.c         sim_msg ("arg_count   %d\n", argCount);
argCount         2906 src/dps8/dps8_sys.c             for (uint argno = 0; argno < argCount; argno ++)