argnoos          2874 src/dps8/dps8_sys.c                 uint argnoos       = ap + 2 + argno * 2;
argnoos          2875 src/dps8/dps8_sys.c                 word15 argnoSegno  = (word15) ((M[argnoos] >> 18) & MASK15);
argnoos          2876 src/dps8/dps8_sys.c                 word18 argnoOffset = (word18) ((M[argnoos + 1] >> 18) & MASK18);