diff --git a/modules/pdp10/lib/debugger.js b/modules/pdp10/lib/debugger.js
index c7616e747..c4d2ba277 100644
--- a/modules/pdp10/lib/debugger.js
+++ b/modules/pdp10/lib/debugger.js
@@ -1326,7 +1326,7 @@ class DebuggerPDP10 extends Debugger {
          */
         if (!nState) {
             opCode = this.cpu.readWord(addr);
-            if ((opCode / PDP10.OPCODE.FNSHIFT)|0 == PDP10.OPCODE.FNHALT && this.cpu.getLastPC() == addr) {
+            if ((opCode >> PDP10.OPCODE.FNSHIFT) == PDP10.OPCODE.HALT && this.cpu.getLastPC() == addr) {
                 addr = this.cpu.advancePC(1);
             }
         }
@@ -1354,7 +1354,7 @@ class DebuggerPDP10 extends Debugger {
             if (opCode < 0) {
                 opCode = this.cpu.readWord(addr);
             }
-            if ((opCode & 0xffff) != PDP10.OPCODE.INVALID) {
+            if (opCode >= 0) {
                 var dbgAddr = this.aInstructionHistory[this.iInstructionHistory];
                 this.setAddr(dbgAddr, addr);
                 // if (DEBUG) dbgAddr.cycleCount = cpu.getCycles();
@@ -1389,6 +1389,12 @@ class DebuggerPDP10 extends Debugger {
             opNum = opMasks[op & mask];
             if (opNum) {
                 opMask = +mask;
+                /*
+                 * When we extracted op from opCode using OPSHIFT, we included 6 additional bits
+                 * to help distinguish OPIO instructions from non-OPIO instructions.  But for the
+                  * following tests, we don't need those bits, so we get rid of them now.
+                 */
+                op >>= 6;
                 switch(opMask) {
                 case PDP10.OPCODE.OPMODE:
                     aModes = DebuggerPDP10.OPMODES;
@@ -1412,7 +1418,20 @@ class DebuggerPDP10 extends Debugger {
         if (sMode == "S" && opNum > DebuggerPDP10.OPS.MOVM) sMode = "B";
 
         var sOpName = opNames[opNum] + sMode;
-        if (!opNum) sOperands = this.toStrWord(opCode);
+        if (!opNum) {
+            sOperands = this.toStrWord(opCode);
+        } else {
+            if (opMask == PDP10.OPCODE.OPIO) {
+                sOperands = this.toStrBase((opCode / PDP10.OPCODE.IOSHIFT) & PDP10.OPCODE.IOMASK, -1);
+            } else {
+                sOperands = this.toStrBase((opCode >> PDP10.OPCODE.FNSHIFT) & PDP10.OPCODE.FNMASK, -1);
+            }
+            if (sOperands) sOperands += ',';
+            if (opCode & PDP10.OPCODE.I_BIT) sOperands += '@';
+            sOperands += this.toStrBase(opCode & PDP10.OPCODE.Y_MASK, -1);
+            var i = (opCode >> PDP10.OPCODE.X_SHIFT) & PDP10.OPCODE.X_MASK;
+            if (i) sOperands += '(' + this.toStrBase(i, -1) + ')';
+        }
 
         var sOpCodes = "";
         var sLine = this.toStrAddr(dbgAddrOp) + ":";
@@ -3501,7 +3520,9 @@ if (DEBUGGER) {
         TD:     81,     TS:     82,     XCT:    83,     JFFO:   84,
         JFCL:   85,     JSR:    86,     JSP:    87,     JRST:   88,
         JSA:    89,     JRA:    90,     PUSHJ:  91,     POPJ:   92,
-        UUO:    93
+        BLKI:   93,     DATAI:  94,     BLKO:   95,     DATAO:  96,
+        CONO:   97,     CONI:   98,     CONSZ:  99,     CONSO:  100,
+        UUO:    101
     };
 
     /*
@@ -3532,6 +3553,8 @@ if (DEBUGGER) {
         "TD",           "TS",           "XCT",          "JFFO",
         "JFCL",         "JSR",          "JSP",          "JRST",
         "JSA",          "JRA",          "PUSHJ",        "POPJ",
+        "BLKI",         "DATAI",        "BLKO",         "DATAO",
+        "CONO",         "CONI",         "CONSZ",        "CONSO",
         "UUO"
     ];
 
@@ -3544,7 +3567,7 @@ if (DEBUGGER) {
     ];
 
     /*
-     * PDP-10 opcodes are 36-bit values:
+     * PDP-10 opcodes are 36-bit values, many of which use the following layout:
      *
      *                          1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3
      *      0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
@@ -3565,114 +3588,130 @@ if (DEBUGGER) {
      *  2:  MEMORY      M           AC      E
      *  3:  SELF        S           E       E (and AC if A is non-zero)
      *
-     * Bits 0-21 (I,X,Y) contain what we call a "reference address" (R), which is used to
+     * Input-output instructions look like:
+     *
+     *      3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1
+     *      5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
+     *      1 1 1 D D D D D D D O O O I X X X X Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y
+     *
+     * Bits 0-22 (I,X,Y) contain what we call a "reference address" (R), which is used to
      * calculate the "effective address" (E).  To determine E from R, we must extract I, X,
      * and Y from R, set E to Y, then add [X] to E if X is non-zero.  If I is zero, then
      * we're done; otherwise, we must set set R to [E] and repeat the process.
      */
     DebuggerPDP10.OPTABLE = {
         [PDP10.OPCODE.OPMASK]: {
-            0o130: DebuggerPDP10.OPS.UFA,
-            0o131: DebuggerPDP10.OPS.DFN,
-            0o132: DebuggerPDP10.OPS.FSC,
-            0o133: DebuggerPDP10.OPS.IBP,
-            0o134: DebuggerPDP10.OPS.ILDB,
-            0o135: DebuggerPDP10.OPS.LDB,
-            0o136: DebuggerPDP10.OPS.IDPB,
-            0o137: DebuggerPDP10.OPS.DPB,
-            0o240: DebuggerPDP10.OPS.ASH,
-            0o241: DebuggerPDP10.OPS.ROT,
-            0o242: DebuggerPDP10.OPS.LSH,
-            0o243: DebuggerPDP10.OPS.JFFO,
-            0o244: DebuggerPDP10.OPS.ASHC,
-            0o245: DebuggerPDP10.OPS.ROTC,
-            0o246: DebuggerPDP10.OPS.LSHC,
-            0o250: DebuggerPDP10.OPS.EXCH,
-            0o251: DebuggerPDP10.OPS.BLT,
-            0o252: DebuggerPDP10.OPS.AOBJP,
-            0o253: DebuggerPDP10.OPS.AOBJN,
-            0o254: DebuggerPDP10.OPS.JRST,      // includes HALT, JRSTF, and JEN
-            0o255: DebuggerPDP10.OPS.JFCL,      // includes JOV, JCRY0, JCRY1, JCRY, and JFOV
-            0o256: DebuggerPDP10.OPS.XCT,
-            0o260: DebuggerPDP10.OPS.PUSHJ,
-            0o261: DebuggerPDP10.OPS.PUSH,
-            0o262: DebuggerPDP10.OPS.POP,
-            0o263: DebuggerPDP10.OPS.POPJ,
-            0o264: DebuggerPDP10.OPS.JSR,
-            0o265: DebuggerPDP10.OPS.JSP,
-            0o266: DebuggerPDP10.OPS.JSA,
-            0o267: DebuggerPDP10.OPS.JRA,
+            0o13000: DebuggerPDP10.OPS.UFA,
+            0o13100: DebuggerPDP10.OPS.DFN,
+            0o13200: DebuggerPDP10.OPS.FSC,
+            0o13300: DebuggerPDP10.OPS.IBP,
+            0o13400: DebuggerPDP10.OPS.ILDB,
+            0o13500: DebuggerPDP10.OPS.LDB,
+            0o13600: DebuggerPDP10.OPS.IDPB,
+            0o13700: DebuggerPDP10.OPS.DPB,
+            0o24000: DebuggerPDP10.OPS.ASH,
+            0o24100: DebuggerPDP10.OPS.ROT,
+            0o24200: DebuggerPDP10.OPS.LSH,
+            0o24300: DebuggerPDP10.OPS.JFFO,
+            0o24400: DebuggerPDP10.OPS.ASHC,
+            0o24500: DebuggerPDP10.OPS.ROTC,
+            0o24600: DebuggerPDP10.OPS.LSHC,
+            0o25000: DebuggerPDP10.OPS.EXCH,
+            0o25100: DebuggerPDP10.OPS.BLT,
+            0o25200: DebuggerPDP10.OPS.AOBJP,
+            0o25300: DebuggerPDP10.OPS.AOBJN,
+            0o25400: DebuggerPDP10.OPS.JRST,    // includes HALT, JRSTF, and JEN
+            0o25500: DebuggerPDP10.OPS.JFCL,    // includes JOV, JCRY0, JCRY1, JCRY, and JFOV
+            0o25600: DebuggerPDP10.OPS.XCT,
+            0o26000: DebuggerPDP10.OPS.PUSHJ,
+            0o26100: DebuggerPDP10.OPS.PUSH,
+            0o26200: DebuggerPDP10.OPS.POP,
+            0o26300: DebuggerPDP10.OPS.POPJ,
+            0o26400: DebuggerPDP10.OPS.JSR,
+            0o26500: DebuggerPDP10.OPS.JSP,
+            0o26600: DebuggerPDP10.OPS.JSA,
+            0o26700: DebuggerPDP10.OPS.JRA,
         },
         [PDP10.OPCODE.OPMODE]: {
-            0o140: DebuggerPDP10.OPS.FAD,
-            0o144: DebuggerPDP10.OPS.FADR,
-            0o150: DebuggerPDP10.OPS.FSB,
-            0o154: DebuggerPDP10.OPS.FSBR,
-            0o160: DebuggerPDP10.OPS.FMP,
-            0o164: DebuggerPDP10.OPS.FMPR,
-            0o170: DebuggerPDP10.OPS.FDV,
-            0o174: DebuggerPDP10.OPS.FDVR,
-            0o200: DebuggerPDP10.OPS.MOV,
-            0o204: DebuggerPDP10.OPS.MOVS,
-            0o210: DebuggerPDP10.OPS.MOVN,
-            0o214: DebuggerPDP10.OPS.MOVM,
-            0o220: DebuggerPDP10.OPS.IMUL,
-            0o224: DebuggerPDP10.OPS.MUL,
-            0o230: DebuggerPDP10.OPS.IDIV,
-            0o234: DebuggerPDP10.OPS.DIV,
-            0o270: DebuggerPDP10.OPS.ADD,
-            0o274: DebuggerPDP10.OPS.SUB,
-            0o400: DebuggerPDP10.OPS.SETZ,
-            0o404: DebuggerPDP10.OPS.AND,
-            0o410: DebuggerPDP10.OPS.ANDCA,
-            0o414: DebuggerPDP10.OPS.SETM,
-            0o420: DebuggerPDP10.OPS.ANDCM,
-            0o424: DebuggerPDP10.OPS.SETA,
-            0o430: DebuggerPDP10.OPS.XOR,
-            0o434: DebuggerPDP10.OPS.IOR,
-            0o440: DebuggerPDP10.OPS.ANDCB,
-            0o444: DebuggerPDP10.OPS.EQV,
-            0o450: DebuggerPDP10.OPS.SETCA,
-            0o454: DebuggerPDP10.OPS.ORCA,
-            0o460: DebuggerPDP10.OPS.SETCM,
-            0o464: DebuggerPDP10.OPS.ORCM,
-            0o470: DebuggerPDP10.OPS.ORCB,
-            0o474: DebuggerPDP10.OPS.SETO,
-            0o500: DebuggerPDP10.OPS.HLL,
-            0o504: DebuggerPDP10.OPS.HRL,
-            0o510: DebuggerPDP10.OPS.HLLZ,
-            0o514: DebuggerPDP10.OPS.HRLZ,
-            0o520: DebuggerPDP10.OPS.HLLO,
-            0o524: DebuggerPDP10.OPS.HRLO,
-            0o530: DebuggerPDP10.OPS.HLLE,
-            0o534: DebuggerPDP10.OPS.HRLE,
-            0o540: DebuggerPDP10.OPS.HRR,
-            0o544: DebuggerPDP10.OPS.HLR,
-            0o550: DebuggerPDP10.OPS.HRRZ,
-            0o554: DebuggerPDP10.OPS.HLRZ,
-            0o560: DebuggerPDP10.OPS.HRRO,
-            0o564: DebuggerPDP10.OPS.HLRO,
-            0o570: DebuggerPDP10.OPS.HRRE,
-            0o574: DebuggerPDP10.OPS.HLRE
+            0o14000: DebuggerPDP10.OPS.FAD,
+            0o14400: DebuggerPDP10.OPS.FADR,
+            0o15000: DebuggerPDP10.OPS.FSB,
+            0o15400: DebuggerPDP10.OPS.FSBR,
+            0o16000: DebuggerPDP10.OPS.FMP,
+            0o16400: DebuggerPDP10.OPS.FMPR,
+            0o17000: DebuggerPDP10.OPS.FDV,
+            0o17400: DebuggerPDP10.OPS.FDVR,
+            0o20000: DebuggerPDP10.OPS.MOV,
+            0o20400: DebuggerPDP10.OPS.MOVS,
+            0o21000: DebuggerPDP10.OPS.MOVN,
+            0o21400: DebuggerPDP10.OPS.MOVM,
+            0o22000: DebuggerPDP10.OPS.IMUL,
+            0o22400: DebuggerPDP10.OPS.MUL,
+            0o23000: DebuggerPDP10.OPS.IDIV,
+            0o23400: DebuggerPDP10.OPS.DIV,
+            0o27000: DebuggerPDP10.OPS.ADD,
+            0o27400: DebuggerPDP10.OPS.SUB,
+            0o40000: DebuggerPDP10.OPS.SETZ,
+            0o40400: DebuggerPDP10.OPS.AND,
+            0o41000: DebuggerPDP10.OPS.ANDCA,
+            0o41400: DebuggerPDP10.OPS.SETM,
+            0o42000: DebuggerPDP10.OPS.ANDCM,
+            0o42400: DebuggerPDP10.OPS.SETA,
+            0o43000: DebuggerPDP10.OPS.XOR,
+            0o43400: DebuggerPDP10.OPS.IOR,
+            0o44000: DebuggerPDP10.OPS.ANDCB,
+            0o44400: DebuggerPDP10.OPS.EQV,
+            0o45000: DebuggerPDP10.OPS.SETCA,
+            0o45400: DebuggerPDP10.OPS.ORCA,
+            0o46000: DebuggerPDP10.OPS.SETCM,
+            0o46400: DebuggerPDP10.OPS.ORCM,
+            0o47000: DebuggerPDP10.OPS.ORCB,
+            0o47400: DebuggerPDP10.OPS.SETO,
+            0o50000: DebuggerPDP10.OPS.HLL,
+            0o50400: DebuggerPDP10.OPS.HRL,
+            0o51000: DebuggerPDP10.OPS.HLLZ,
+            0o51400: DebuggerPDP10.OPS.HRLZ,
+            0o52000: DebuggerPDP10.OPS.HLLO,
+            0o52400: DebuggerPDP10.OPS.HRLO,
+            0o53000: DebuggerPDP10.OPS.HLLE,
+            0o53400: DebuggerPDP10.OPS.HRLE,
+            0o54000: DebuggerPDP10.OPS.HRR,
+            0o54400: DebuggerPDP10.OPS.HLR,
+            0o55000: DebuggerPDP10.OPS.HRRZ,
+            0o55400: DebuggerPDP10.OPS.HLRZ,
+            0o56000: DebuggerPDP10.OPS.HRRO,
+            0o56400: DebuggerPDP10.OPS.HLRO,
+            0o57000: DebuggerPDP10.OPS.HRRE,
+            0o57400: DebuggerPDP10.OPS.HLRE
         },
         [PDP10.OPCODE.OPCOMP]: {
-            0o300: DebuggerPDP10.OPS.CAI,
-            0o310: DebuggerPDP10.OPS.CA,
-            0o320: DebuggerPDP10.OPS.JUMP,
-            0o330: DebuggerPDP10.OPS.SKIP,
-            0o340: DebuggerPDP10.OPS.AOJ,
-            0o350: DebuggerPDP10.OPS.AOS,
-            0o360: DebuggerPDP10.OPS.SOJ,
-            0o370: DebuggerPDP10.OPS.SOS,
+            0o30000: DebuggerPDP10.OPS.CAI,
+            0o31000: DebuggerPDP10.OPS.CA,
+            0o32000: DebuggerPDP10.OPS.JUMP,
+            0o33000: DebuggerPDP10.OPS.SKIP,
+            0o34000: DebuggerPDP10.OPS.AOJ,
+            0o35000: DebuggerPDP10.OPS.AOS,
+            0o36000: DebuggerPDP10.OPS.SOJ,
+            0o37000: DebuggerPDP10.OPS.SOS,
         },
         [PDP10.OPCODE.OPTEST]: {
-            0o600: DebuggerPDP10.OPS.TR,
-            0o601: DebuggerPDP10.OPS.TL,
-            0o610: DebuggerPDP10.OPS.TD,
-            0o611: DebuggerPDP10.OPS.TS,
+            0o60000: DebuggerPDP10.OPS.TR,
+            0o60100: DebuggerPDP10.OPS.TL,
+            0o61000: DebuggerPDP10.OPS.TD,
+            0o61100: DebuggerPDP10.OPS.TS,
+        },
+        [PDP10.OPCODE.OPIO]: {
+            0o70000: DebuggerPDP10.OPS.BLKI,
+            0o70004: DebuggerPDP10.OPS.DATAI,
+            0o70010: DebuggerPDP10.OPS.BLKO,
+            0o70014: DebuggerPDP10.OPS.DATAO,
+            0o70020: DebuggerPDP10.OPS.CONO,
+            0o70024: DebuggerPDP10.OPS.CONI,
+            0o70030: DebuggerPDP10.OPS.CONSZ,
+            0o70034: DebuggerPDP10.OPS.CONSO
         },
         [PDP10.OPCODE.OPUUO]: {
-            0o000: DebuggerPDP10.OPS.UUO
+            0o00000: DebuggerPDP10.OPS.UUO
         }
     };
 
diff --git a/modules/pdp10/lib/defines.js b/modules/pdp10/lib/defines.js
index 2b22e54ed..dfa55c8e0 100644
--- a/modules/pdp10/lib/defines.js
+++ b/modules/pdp10/lib/defines.js
@@ -104,15 +104,22 @@ var PDP10 = {
      * Opcode definitions
      */
     OPCODE: {
-        OPMASK:     0o777,              // operation mask
-        OPMODE:     0o774,              // operation with mode
-        OPCOMP:     0o770,              // operation with compare
-        OPTEST:     0o611,              // operation with test
-        OPUUO:      0o700,              // unimplemented user operation (UUO) mask
-        OPSHIFT:    Math.pow(2, 27),    // operation shift
-        FNSHIFT:    Math.pow(2, 23),    // function shift
-        FNHALT:     0o5304,             // function code for HALT
-        INVALID:    0o777777777777      // TODO: Resolve
+        OPMASK:     0o77700,            // operation mask
+        OPMODE:     0o77400,            // operation with mode
+        OPCOMP:     0o77000,            // operation with compare
+        OPTEST:     0o71100,            // operation with test
+        OPIO:       0o70034,            // input-output instructions
+        OPUUO:      0o70000,            // unimplemented user operation (UUO) mask
+        OPSHIFT:    Math.pow(2, 21),    // operation shift
+        FNSHIFT:    23,                 // accumulator/function shift
+        FNMASK:     0o17,               // accumulator/function mask (after shift)
+        IOSHIFT:    Math.pow(2, 26),    // input-output device code shift
+        IOMASK:     0o177,              // input-output device code mask (after shift)
+        Y_MASK:     0o777777,
+        X_SHIFT:    18,
+        X_MASK:     0o17,
+        I_BIT:      0o20000000,
+        HALT:       0o5304              // operation code for HALT
     },
 
     /*
diff --git a/versions/pdpjs/1.34.0/pdp10-dbg.js b/versions/pdpjs/1.34.0/pdp10-dbg.js
index 126adaeb9..ef0b7bab3 100644
--- a/versions/pdpjs/1.34.0/pdp10-dbg.js
+++ b/versions/pdpjs/1.34.0/pdp10-dbg.js
@@ -36,32 +36,32 @@ Ec:82,Fc:83,Gc:84,Hc:85,Ic:86,Jc:87,Kc:88,Lc:89,ob:90,"[":91,"\\":92,"]":93,"^":
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+function B(a,b){var c=C;b=D(b.parentNode,c+"-control");for(var d=0;d<b.length;d++)for(var e=b[d].childNodes,g=0;g<e.length;g++){var f=e[g];if(1===f.nodeType){var h=f.getAttribute("class");if(h)for(var k=h.split(" "),m=0;m<k.length;m++)switch(h=k[m],h){case c+"-binding":(h=A(f))&&h.binding&&a.da(h.type,h.binding,f,h.value),m=k.length}}}}
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+function kc(a,b,c,d){for(var e=b,g=c,f=e>>>a.j;0<g&&f<a.g.length;){var h=a.g[f],k=16384*f,m=16384-(e-k);m>g&&(m=g);if(h&&h.size){if(h.type==d){if(e+g<=h.v)return h.Ga+=h.v-e,h.v=e,!0;if(e>=h.v+h.Ga){m=h.size-(e-k);m>g&&(m=g);h.Ga=e-h.v+m;e=k+16384;g-=m;f++;continue}}return lc(mc,e,g)}e=new V(a,e,m,16384,d);ic(e,a.A,h);a.g[f++]=e;e=k+16384;g-=m}return 0>=g?(a.status("Added "+(c>>10)+"Kb "+nc[d]+" at "+Qa(b)),!0):lc(oc,b,c)}
+function gc(a,b){var c=a.g[(b&a.u)>>>a.j];a.w++;b=c.j(b&16383,b);a.w--;return b}function fc(a,b,c){var d=a.g[(b&a.u)>>>a.j];a.w++;d.F(c,b&16383,b);a.w--}function jc(a){for(var b=0,c=[],d=0;d<a.B;d++){var e=a.g[d];if(e.La||e.pb){c[b++]=d;var g=b++;if(e=e.save()){for(var f=0,h=0,k=[];f<e.length;){for(var m=e[f],n=f+1;n<e.length&&e[n]===m;)n++;k[h++]=n-f;k[h++]=m;f=n}k.length<e.length&&(e=k)}c[g]=e}}return c}
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+l.Pb=function(a,b,c,d,e){if(this.b&&null!=this.v){var g=this.b;Qc(g,this.v+b,1,g.G)&&g.R(!1)}this.g?this.ua(a,0,c):this.w(a,b,c,d,e)};l.Rb=function(a,b,c){if(this.b&&null!=this.v){var d=this.b;Qc(d,this.v+b,2,d.G)&&d.R(!1)}this.g?this.ua(a,0,c):this.F(a,b,c)};var Hc=0,Ic=2,nc=["NONE","RAM","ROM"],Gc=0,Lc=[],Kc=[V.prototype.Eb,V.prototype.Qb,V.prototype.Hb,V.prototype.Sb],Oc=[V.prototype.Db,V.prototype.Pb,V.prototype.Fb,V.prototype.Rb];
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@@ -99,31 +99,31 @@ l.restore=function(a){var b;b=a[0];ha();ea();ha();var c=b[Symbol.iterator];b=c?c
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+function ld(a){u.call(this,"ROM",a,128);this.S=this.g=null;this.B=+a.addr;this.u=+a.size;this.j=a.alias;"string"==typeof this.j&&(this.j=eval(this.j));this.w=a.file;this.G=Ra(this.w);if(this.w){a=this.w;var b=Sa(this.G);"json"!=b&&"hex"!=b&&(a=Ua()+"/api/v1/dump?file="+this.w+"&format=bytes&decimal=true");var c=this;J(a,null,!0,function(a,b,g){g?(c.Y("Unable to load ROM resource (error "+g+": "+a+")"),c.w=null):(ta(c.Ka,a,b),(a=ib(a,b))?(c.g=a.W,c.S=a.S):c.w=null);md(c)})}}r(ld,u);
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 function Le(a,b,c){if("?"==c)a.f("trace commands:"),a.f("\tt  [#]\ttrace # instructions"),a.f("\ttr [#]\ttrace # instructions with register updates"),a.f("\ttc [#]\ttrace # cycles"),a.f("note: bn [#] breaks after # instructions without updates");else{var d="t"!=b;c=yd(a,c,null,!0)||1;var e=0;"tc"==b&&(e=c,c=1);a.qa=b;qb(c,function(){return Na(a,!0)&&ac(a,e,d,!1)},function(){a.ea&&a.ea.stop();Q(a.D,-1);Na(a,!1)})}}
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