xdo              2397 src/dps8/dps8_cpu.c                         cpu.cu.xdo = 1;
xdo              2487 src/dps8/dps8_cpu.c                 else if (! (cpu.cu.xde | cpu.cu.xdo |
xdo              2720 src/dps8/dps8_cpu.c                   if (cpu.cu.xdo)
xdo              2733 src/dps8/dps8_cpu.c                   cpu.cu.xde  = cpu.cu.xdo = 0;
xdo              2969 src/dps8/dps8_cpu.c                   !cpu.cu.xde && cpu.cu.xdo)
xdo              2991 src/dps8/dps8_cpu.c                   !cpu.cu.xde && cpu.cu.xdo)
xdo              3008 src/dps8/dps8_cpu.c               if (cpu.cu.xde && cpu.cu.xdo)
xdo              3022 src/dps8/dps8_cpu.c               if (cpu.cu.xde || cpu.cu.xdo)  // we are in an XEC/XED
xdo              3024 src/dps8/dps8_cpu.c                   cpu.cu.xde        = cpu.cu.xdo = 0;
xdo              3041 src/dps8/dps8_cpu.c               cpu.cu.xde = cpu.cu.xdo = 0;
xdo              3174 src/dps8/dps8_cpu.c               cpu.cu.xdo = 1;
xdo              4199 src/dps8/dps8_cpu.c     putbits36_1  (& w0, 10, cpu.cu.xdo);
xdo              1015 src/dps8/dps8_cpu.h     word1 xdo;     // 25    XDO Execute instruction from Execute Double odd pair
xdo               487 src/dps8/dps8_ins.c     putbits36_1 (& words[5], 25, cpu.cu.xdo);
xdo               626 src/dps8/dps8_ins.c     cpu.cu.xdo          = false;
xdo               729 src/dps8/dps8_ins.c     cpu.cu.xdo          = getbits36_1  (words[5], 25);
xdo              1519 src/dps8/dps8_ins.c     if (opcode == 0717 && !opcodeX && cpu.cu.xde && cpu.cu.xdo /* even instruction being executed */)
xdo              1526 src/dps8/dps8_ins.c       if (cpu.cu.xde && cpu.cu.xdo /* even instr being executed */)
xdo              1531 src/dps8/dps8_ins.c       if (!cpu.cu.xde && cpu.cu.xdo /* odd instr being executed */ && !(cpu.PPR.IC & 1))
xdo              7159 src/dps8/dps8_ins.c           cpu.cu.xdo = 0;
xdo              7203 src/dps8/dps8_ins.c           cpu.cu.xdo = 1;
xdo              1831 src/dps8/dps8_sys.c 
xdo               470 src/dps8/panelScraper.c                 SETL1 (bank_a, 25+3, cpu.cu.xdo);
xdo               969 src/dps8/panelScraper.c     SETL (bank_j, 33, cpu.cu.xdo, 1);