xdo              2957 src/dps8/dps8_cpu.c                         cpu.cu.xdo = 1;
xdo              3091 src/dps8/dps8_cpu.c                 else if (! (cpu.cu.xde | cpu.cu.xdo |
xdo              3492 src/dps8/dps8_cpu.c                   if (cpu.cu.xdo)
xdo              3505 src/dps8/dps8_cpu.c                   cpu.cu.xde  = cpu.cu.xdo = 0;
xdo              3752 src/dps8/dps8_cpu.c                   !cpu.cu.xde && cpu.cu.xdo)
xdo              3779 src/dps8/dps8_cpu.c                   !cpu.cu.xde && cpu.cu.xdo)
xdo              3796 src/dps8/dps8_cpu.c               if (cpu.cu.xde && cpu.cu.xdo)
xdo              3810 src/dps8/dps8_cpu.c               if (cpu.cu.xde || cpu.cu.xdo)  // we are in an XEC/XED
xdo              3812 src/dps8/dps8_cpu.c                   cpu.cu.xde        = cpu.cu.xdo = 0;
xdo              3829 src/dps8/dps8_cpu.c               cpu.cu.xde = cpu.cu.xdo = 0;
xdo              3995 src/dps8/dps8_cpu.c               cpu.cu.xdo = 1;
xdo              5041 src/dps8/dps8_cpu.c     putbits36_1  (& w0, 10, cpu.cu.xdo);
xdo              1028 src/dps8/dps8_cpu.h     word1 xdo;     // 25    XDO Execute instruction from Execute Double odd pair
xdo               543 src/dps8/dps8_faults.c                       ! (cpu.cu.xde || cpu.cu.xdo || cpu.cu.rpt ||
xdo               503 src/dps8/dps8_ins.c     putbits36_1 (& words[5], 25, cpu.cu.xdo && (! cpu.cu.xde || (cpu.PPR.IC & 1)));
xdo               647 src/dps8/dps8_ins.c     cpu.cu.xdo          = false;
xdo               751 src/dps8/dps8_ins.c     cpu.cu.xdo          = getbits36_1  (words[5], 25) | cpu.cu.xde;
xdo              1563 src/dps8/dps8_ins.c     if (opcode == 0717 && !opcodeX && cpu.cu.xde && cpu.cu.xdo /* even instruction being executed */)
xdo              1570 src/dps8/dps8_ins.c       if (cpu.cu.xde && cpu.cu.xdo /* even instr being executed */)
xdo              1575 src/dps8/dps8_ins.c       if (!cpu.cu.xde && cpu.cu.xdo /* odd instr being executed */ && !(cpu.PPR.IC & 1))
xdo              7303 src/dps8/dps8_ins.c           cpu.cu.xdo = 0;
xdo              7347 src/dps8/dps8_ins.c           cpu.cu.xdo = 1;
xdo              1876 src/dps8/dps8_sys.c 
xdo               464 src/dps8/panelScraper.c                 SETL1 (bank_a, 25+3, cpu.cu.xdo);
xdo               963 src/dps8/panelScraper.c     SETL (bank_j, 33, cpu.cu.xdo, 1);