Updated Closure Compiler to v20160911, so now we have a version that supports ECMAScript 6, but I'm not going to go bonkers on ES6 features just yet; the first feature I'm going to use is support for octal and binary constants (of the form 0onnnn and 0bnnnn)

modules/c1pjs/lib/debugger.js

@@ -1247,8 +1247,8 @@ if (DEBUGGER) {
     {
         var sLine = str.toHex(addr, 4);
         var bOpCode = this.getByte(addr++);
-        var aOpDesc = this.aaOperations[bOpCode];
         var b = (bOpCode === undefined? 0 : bOpCode);
+        var aOpDesc = this.aaOperations[b];
         var abOperand = [];
         var cb = (aOpDesc[1] === undefined? 0 : aOpDesc[1]);
         do {

modules/c1pjs/lib/keyboard.js

@@ -204,7 +204,7 @@ function C1PKeyboard(parmsKbd)
     this.msReleaseRepeat    = 100;      // number of milliseconds before a held key is "forced" up (assuming auto-repeat)
     this.msInjectDelay      = 300;      // number of milliseconds between injected keystrokes
 
-    this.aButtonCodeMap = [];
+    this.aButtonCodeMap = {};
     this.aButtonCodeMap['break']  = this.CHARCODE_BREAK;
     this.aButtonCodeMap['esc']    = this.CHARCODE_ESC;
     this.aButtonCodeMap['ctrl-c'] = this.CHARCODE_CTRLC;

modules/pc8080/lib/debugger.js

@@ -147,7 +147,7 @@ function Debugger8080(parmsDbg)
         /*
          * Initialize Debugger8080 message support
          */
-        this.afnDumpers = [];
+        this.afnDumpers = {};
         this.messageInit(parmsDbg['messages']);
 
         this.sInitCommands = parmsDbg['commands'];
@@ -4343,7 +4343,7 @@ if (DEBUGGER) {
     {
         var a = this.parseCommand(sCmds, fSave);
         for (var s in a) {
-            if (!this.doCommand(a[s])) return false;
+            if (!this.doCommand(a[+s])) return false;
         }
         return true;
     };

modules/pdp11/lib/debugger.js

@@ -146,7 +146,7 @@ function DebuggerPDP11(parmsDbg)
         /*
          * Initialize DebuggerPDP11 message support
          */
-        this.afnDumpers = [];
+        this.afnDumpers = {};
         this.messageInit(parmsDbg['messages']);
 
         this.sInitCommands = parmsDbg['commands'];
@@ -3682,7 +3682,7 @@ if (DEBUGGER) {
     {
         var a = this.parseCommand(sCmds, fSave);
         for (var s in a) {
-            if (!this.doCommand(a[s])) return false;
+            if (!this.doCommand(a[+s])) return false;
         }
         return true;
     };

modules/pdp11/lib/defines.js

@@ -233,6 +233,12 @@ var PDP11 = {
         NORMAL:     0x0,        // write byte or word normally
         ZERO:       0x1,        // zero byte or word
         SIGNEXT:    0x2         // sign-extend a byte to a word
+    },
+    /*
+     * Assorted special (UNIBUS) addresses
+     */
+    UNIBUS: {
+        PSW:        0o177776
     }
 };