oP1               961 src/dps8/dps8_utils.c void cmp36(word36 oP1, word36 oP2, word18 *flags)
oP1               965 src/dps8/dps8_utils.c     t_int64 op1 = SIGNEXT36_64(oP1 & DMASK);
oP1              1005 src/dps8/dps8_utils.c void cmp18(word18 oP1, word18 oP2, word18 *flags)
oP1              1009 src/dps8/dps8_utils.c     int32 op1 = SIGNEXT18_32 (oP1 & MASK18);