ctest            3556 src/dps8/dps8_eis.c     word9 ctest = 0;
ctest            3568 src/dps8/dps8_eis.c               ctest = (duo >> 13) & 017;
ctest            3571 src/dps8/dps8_eis.c               ctest = (duo >> 12) & 077;
ctest            3574 src/dps8/dps8_eis.c               ctest = (duo >> 9) & 0777;
ctest            3580 src/dps8/dps8_eis.c         ctest = EISget469 (2, 0);
ctest            3590 src/dps8/dps8_eis.c             ctest &= 017;    // keep 4-bits
ctest            3593 src/dps8/dps8_eis.c             ctest &= 077;    // keep 6-bits
ctest            3596 src/dps8/dps8_eis.c             ctest &= 0777;   // keep 9-bits
ctest            3607 src/dps8/dps8_eis.c         word9 c = ((~mask) & (yCharn1 ^ ctest)) & 0777;
ctest            3728 src/dps8/dps8_eis.c     word9 ctest = 0;
ctest            3740 src/dps8/dps8_eis.c               ctest = (duo >> 13) & 017;
ctest            3743 src/dps8/dps8_eis.c               ctest = (duo >> 12) & 077;
ctest            3746 src/dps8/dps8_eis.c               ctest = (duo >> 9) & 0777;
ctest            3752 src/dps8/dps8_eis.c         ctest = EISget469 (2, 0);
ctest            3762 src/dps8/dps8_eis.c             ctest &= 017;    // keep 4-bits
ctest            3765 src/dps8/dps8_eis.c             ctest &= 077;    // keep 6-bits
ctest            3768 src/dps8/dps8_eis.c             ctest &= 0777;   // keep 9-bits
ctest            3778 src/dps8/dps8_eis.c         word9 c = ((~mask) & (yCharn1 ^ ctest)) & 0777;