oP2               961 src/dps8/dps8_utils.c void cmp36(word36 oP1, word36 oP2, word18 *flags)
oP2               966 src/dps8/dps8_utils.c     t_int64 op2 = SIGNEXT36_64(oP2 & DMASK);
oP2              1005 src/dps8/dps8_utils.c void cmp18(word18 oP1, word18 oP2, word18 *flags)
oP2              1010 src/dps8/dps8_utils.c     int32 op2 = SIGNEXT18_32 (oP2 & MASK18);