diff --git a/apps/pdp11/tapes/diags/README.md b/apps/pdp11/tapes/diags/README.md
index 7d2f6be13..4dfe82df3 100644
--- a/apps/pdp11/tapes/diags/README.md
+++ b/apps/pdp11/tapes/diags/README.md
@@ -44,7 +44,7 @@ Running Paper Tape Diagnostics
 
 Instructions for running "TEST 1 - BRANCH" through "TEST 12 - JUMP" come from the
 [MAINDEC-11-DZQAB MAINDEC USER REFERENCE MANUAL (Oct 1973)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQAB-B-D_User_Reference_Manual_Oct73.pdf),
-p. 19:
+page 19:
 
 	MAINDEC-11-D0AA to D0LA (NEW NUMBER - DZKAA to DZKAL)
 	
@@ -250,7 +250,7 @@ so for now, I'm just going to pick out selected tapes and archive them here.
 
 From [bitsavers.org](http://bitsavers.trailing-edge.com/bits/DEC/pdp11/papertapeimages/20040101/), Tray 02:
 
-* Tape 04: [MAINDEC-11-DEQKC-B1-PB 06/12/78; 11/70 cpu instruction exerciser; (c)1975,76](#md-11-1170-cpu-exerciser)
+* Tape 04: [MAINDEC-11-DEQKC-B1-PB 06/12/78; 11/70 cpu instruction exerciser; (c)1975,76](#md-11-1170-cpu-exerciser) [[1980 Listing](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7996E-MC__PDP11-70-74__11-70_INST_EXR__CEQKCE0__%28C%2975,80.pdf)]
 
 MD-11 11/70 CPU EXERCISER
 -------------------------
@@ -336,7 +336,7 @@ I disassembled the code responsible for that failure:
 I wasn't able to locate a source code listing for this particular (1978) version of the 11/70 CPU Instruction Exerciser,
 but I did find another useful document,
 [MAINDEC-11-DCQKC 11/40 and 11/45 INSTRUCTION EXERCISER (Sep 1974)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DCQKC-D-D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf),
-where I discovered a matching test sequence on p. 86.
+where I discovered a matching test sequence on page 86.
 
 Here's an excerpt:
 
@@ -373,6 +373,13 @@ to trap when SP is 150.  That contradicts this newer test (ie, that TST should n
 trap "BECAUSE TST IS A NON MODIFYING INST").  For this and other reasons, PDPjs now installs different
 checkStackLimit() handlers based on the CPU model.
 
+UPDATE: Another (1980) version of the source code for this diagnostic has been located and archived
+with the rest of our [DEC PDP-11 Diagnostic Publications](/pubs/dec/pdp11/diags/):
+
+- [CEQKCE0 11/70 INSTRUCTION EXERCISER (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7994E-MC_CEQKCE0_1170_INSTRUCTION_EXERCISER_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7996E-MC__PDP11-70-74__11-70_INST_EXR__CEQKCE0__%28C%2975,80.pdf)]
+
+You'll find the above excerpt on page 114, at address 024624.
+
 ---
 
 Here's the next test that PDPjs failed.  Again, I found the same sequence of instructions in the 11/40 and 11/45
diff --git a/devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml b/devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml
index 80259b38b..826881287 100644
--- a/devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml
+++ b/devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml
@@ -8,7 +8,7 @@
 	<device id="default" type="default"/>
 	<serial id="dl11" adapter="0" binding="print"/>
 	<panel ref="/devices/pdp11/panel/1170/debugger/front.xml"/>
-	<debugger id="debugger" base="8" messages="rk11" commands='bp 33330 "bp 037772; bp 041734; bp 042164"'/>
+	<debugger id="debugger" base="8" messages="rk11|pc11" commands='bp 033330 "bp 037772; bp 041734; bp 042164"'/>
 	<device ref="/devices/pdp11/pc11/default.xml"/>
 	<device ref="/devices/pdp11/rk11/default.xml"/>
 	<device ref="/devices/pdp11/rl11/default.xml"/>
diff --git a/modules/markout/lib/markout.js b/modules/markout/lib/markout.js
index 3293dfd64..5fd25b0ef 100644
--- a/modules/markout/lib/markout.js
+++ b/modules/markout/lib/markout.js
@@ -975,6 +975,7 @@ MarkOut.prototype.convertMDLinks = function(sBlock)
         } else {
             sURL = net.encodeURL(sURL, this.req, this.fDebug);
         }
+        sURL = sURL.replace(/_/g, "%5F");       // this helps prevent emphasis detection in URLs
         sBlock = str.replaceAll(aMatch[0], '<' + sTag +  ' ' + sType + '="' + sURL + '"' + sTitle + '>' + sText + '</' + sTag + '>', sBlock);
     }
     return sBlock;
diff --git a/modules/pcx86/lib/keyboard.js b/modules/pcx86/lib/keyboard.js
index 2e228bb44..ee312e2b9 100644
--- a/modules/pcx86/lib/keyboard.js
+++ b/modules/pcx86/lib/keyboard.js
@@ -1043,7 +1043,7 @@ Keyboard.prototype.setBinding = function(sHTMLType, sBinding, control, sValue)
                         kbd.addActiveKey(simCode);
                     };
                 }(this, sBinding, Keyboard.SOFTCODES[sBinding]);
-                var fnUp = function (kbd, sKey, simCode) {
+                var fnUp = function(kbd, sKey, simCode) {
                     return function onKeyboardBindingUp(event) {
                         kbd.removeActiveKey(simCode);
                     };
@@ -1655,7 +1655,7 @@ Keyboard.prototype.injectKeysFromBuffer = function(msDelay)
         this.addActiveKey(ch, true);
     }
     if (this.sInjectBuffer.length > 0) {
-        setTimeout(function (kbd) {
+        setTimeout(function(kbd) {
             return function onInjectKeyTimeout() {
                 kbd.injectKeysFromBuffer(msDelay);
             };
diff --git a/modules/pdp11/README.md b/modules/pdp11/README.md
index 8a2703415..4f8808db7 100644
--- a/modules/pdp11/README.md
+++ b/modules/pdp11/README.md
@@ -9,29 +9,94 @@ PDP-11 Machine Emulation Module (PDPjs)
 
 Overview
 ---
-PDPjs, our [PDP-11 Machine](/devices/pdp11/machine/) emulation module, is adapted from
-the [PDP-11/70 Emulator (v1.4)](http://skn.noip.me/pdp11/pdp11.html) written by
-Paul Nankervis.
+PDPjs, our [PDP-11 Machine](/devices/pdp11/machine/) emulation module, was written in 2016.  It was adapted from
+the [PDP-11/70 Emulator (v1.4)](http://skn.noip.me/pdp11/pdp11.html) written by Paul Nankervis.
 
-PDPjs is currently comprised of the following non-shared components, as listed in
-[package.json](../../package.json) (see the *pdp11Files* property):
+PDPjs is currently comprised of the following PDP-11 components, as listed in [package.json](../../package.json)
+(see the *pdp11Files* property):
 
+* [bus.js](/modules/pdp11/lib/bus.js)
+* [computer.js](/modules/pdp11/lib/computer.js)
+* [cpu.js](/modules/pdp11/lib/cpu.js)
+* [cpuops.js](/modules/pdp11/lib/cpuops.js)
+* [cpustate.js](/modules/pdp11/lib/cpustate.js)
+* [debugger.js](/modules/pdp11/lib/debugger.js)
 * [defines.js](/modules/pdp11/lib/defines.js)
+* [device.js](/modules/pdp11/lib/device.js)
+* [disk.js](/modules/pdp11/lib/disk.js)
+* [keyboard.js](/modules/pdp11/lib/keyboard.js)
+* [memory.js](/modules/pdp11/lib/memory.js)
 * [messages.js](/modules/pdp11/lib/messages.js)
 * [panel.js](/modules/pdp11/lib/panel.js)
-* [bus.js](/modules/pdp11/lib/bus.js)
-* [device.js](/modules/pdp11/lib/device.js)
-* [memory.js](/modules/pdp11/lib/memory.js)
-* [cpu.js](/modules/pdp11/lib/cpu.js)
-* [cpustate.js](/modules/pdp11/lib/cpustate.js)
-* [cpuops.js](/modules/pdp11/lib/cpuops.js)
-* [rom.js](/modules/pdp11/lib/rom.js)
-* [ram.js](/modules/pdp11/lib/ram.js)
-* [keyboard.js](/modules/pdp11/lib/keyboard.js)
-* [serialport.js](/modules/pdp11/lib/serialport.js)
 * [pc11.js](/modules/pdp11/lib/pc11.js)
-* [disk.js](/modules/pdp11/lib/disk.js)
+* [ram.js](/modules/pdp11/lib/ram.js)
 * [rk11.js](/modules/pdp11/lib/rk11.js)
 * [rl11.js](/modules/pdp11/lib/rl11.js)
-* [debugger.js](/modules/pdp11/lib/debugger.js)
-* [computer.js](/modules/pdp11/lib/computer.js)
+* [rom.js](/modules/pdp11/lib/rom.js)
+* [serialport.js](/modules/pdp11/lib/serialport.js)
+
+Since this module was written in 2016, it seemed appropriate to start adopting some of the more useful features of
+[ECMAScript](http://www.ecma-international.org/ecma-262/6.0/index.html) 2015 (aka ES6), including:
+
+* Classes
+* *const* and *let*
+* Computed Properties
+* Default Parameters
+* Octal and Binary Constants
+* Template Literals
+	- String Interpolation (i.e., ${*expr*})
+* New Built-in Methods
+	- String.repeat()
+* *import* and *export*
+
+However, I've still configured the Closure Compiler to "transpile" to ECMAScript 5 (aka ES5), because some people
+may still be using older browsers that don't support ES6 -- or at least the subset of ES6 features I'm currently
+using.
+
+Eventually, I need to do some performance testing and determine whether the ES6 version performs any faster and/or
+consumes fewer resources than the ES5 version.  If it does, then I should either bite the bullet and generate ES6 code,
+or generate both versions and use a loader that detects the browser's capabilities and loads the appropriate version.
+
+Caveats
+-------
+
+### Shared modules
+
+All PCjs machines rely on shared modules that are normally stored in [/shared/lib](/shared/lib/).  However, until
+ALL the machines have been converted to use ES6 classes, shared code must now exist in two flavors:
+[/shared/lib](/shared/lib/) and [/shared/es6](/shared/es6/).
+
+Once all the other machines have been converted to use ES6 classes, the shared ES6 code will be folded back into
+[/shared/lib](/shared/lib/), and the temporary ES6 folder will go away.  Obviously, there is incentive for me to do
+this sooner rather than later, since in the interim, I must make any changes to shared code in both places.
+
+There's also a less obvious problem: if you load a web page that attempts to load two or more PCjs machines, one of
+which uses [/shared/lib](/shared/lib/) and another of which uses [/shared/es6](/shared/es6/), at least one of them will
+fail to start, because the two sets of shared code cannot coexist.  Well, they *could* have coexisted if I had been
+willing to change the names of all the shared global objects (like **Component**), but I wasn't. 
+
+### *import* and *export*
+
+With regard to *import* and *export* statements, the main reason I use them is to inform my development environment
+(WebStorm) about each file's dependencies, thereby preventing inspection warnings.  And ultimately, I plan to make PDPjs
+run as a Node application, so explicitly declaring all imports and exports will be required, but for now, it's just
+a web application, so strictly speaking, they're not required.
+
+When loading uncompiled PDPjs files into a web browser, the Node-based web server bundled with PCjs still relies on
+the `<script>` tag to load all JavaScript files, and as far as I know, no browser currently knows what to do with the
+*import* and *export* keywords under those conditions.  Chrome, for example, will immediately throw an exception when
+it encounters a file containing them.
+
+As a work-around, the bundled web server intercepts all requests for .js files and inserts line comments in front of
+every *import* and *export* statement, so that your web browser won't barf on them.  The statements are completely
+superfluous anyway, since the web server generates `<script>` tags for all the necessary scripts, in the order they are
+listed in [package.json](../../package.json).
+
+This work-around assumes that all *export* statements appear AFTER the object they're exporting; e.g.:
+
+	export default ComputerPDP11;
+
+and NOT as part of the object declaration; e.g.:
+
+	export default class ComputerPDP11 extends Component { ... }
+
diff --git a/modules/pdp11/lib/bus.js b/modules/pdp11/lib/bus.js
index fa7e590e0..276006ee3 100644
--- a/modules/pdp11/lib/bus.js
+++ b/modules/pdp11/lib/bus.js
@@ -494,7 +494,7 @@ class BusPDP11 extends Component {
             var block = this.aBusBlocks[iBlock];
             info.cbTotal += block.size;
             if (block.size) {
-                info.aBlocks.push(Usr.initBitFields(BlockInfoPDP11, iBlock, 0, 0, block.type));
+                info.aBlocks.push(/** @type {BlockInfoPDP11} */ (Usr.initBitFields(BlockInfoPDP11, iBlock, 0, 0, block.type)));
                 info.cBlocks++
             }
             iBlock++;
@@ -982,7 +982,7 @@ class BusPDP11 extends Component {
             var fnWriteWord = afn[3]? afn[3].bind(component) : null;
 
             /*
-             * As discussed in the IOController comments above, when handlers are being registered for these
+             * As discussed in the IOController comments below, when handlers are being registered for these
              * BYTE-granular UNIBUS addresses, we must install custom fallback handlers for all BYTE accesses.
              */
             if (addr >= PDP11.UNIBUS.R0SET0 && addr <= PDP11.UNIBUS.R6USER) {
@@ -1131,12 +1131,14 @@ class BusPDP11 extends Component {
     }
 }
 
-BusPDP11.IOPAGE_16BIT   =   0xE000; /*000160000*/               // eg, PDP-11/20
-BusPDP11.IOPAGE_18BIT   =  0x3E000; /*000760000*/               // eg, PDP-11/45
+BusPDP11.IOPAGE_16BIT   = 0x00E000; /*000160000*/               // eg, PDP-11/20
+BusPDP11.IOPAGE_18BIT   = 0x03E000; /*000760000*/               // eg, PDP-11/45
 BusPDP11.IOPAGE_22BIT   = 0x3FE000; /*017760000*/               // eg, PDP-11/70
-BusPDP11.IOPAGE_LENGTH  =   0x2000;                             // ie, 8Kb
+BusPDP11.IOPAGE_LENGTH  = 0x002000;                             // ie, 8Kb
 BusPDP11.IOPAGE_MASK    = BusPDP11.IOPAGE_LENGTH - 1;
 
+BusPDP11.MASK_18BIT     = 0x03FFFF; /*000777777*/
+
 BusPDP11.UNIBUS_22BIT   = 0x3C0000; /*017000000*/
 BusPDP11.MASK_22BIT     = 0x3FFFFF; /*017777777*/
 
diff --git a/modules/pdp11/lib/cpustate.js b/modules/pdp11/lib/cpustate.js
index afb63dc44..2061c895f 100644
--- a/modules/pdp11/lib/cpustate.js
+++ b/modules/pdp11/lib/cpustate.js
@@ -50,8 +50,8 @@ import MemoryPDP11 from "./memory";
  * queue would constantly grow and shrink as requests were issued and dispatched, and as long as there was something
  * in the queue, the CPU was constantly examining it.
  *
- * Now we are trying something more efficient.  First, for devices that require delays (like a serial port's receiver
- * and transmitter buffer registers that are supposed to "clock" the data in and out at a specific baud rate), the
+ * Now we are trying something more efficient.  First, for devices that require delays (like the SerialPort's receiver
+ * and transmitter buffer registers, which are supposed to "clock" the data in and out at a specific baud rate), the
  * CPU offers timer services that will "fire" a callback after a specified delay, which are much more efficient than
  * requiring the CPU to dive into an interrupt queue and decrement delay counts on every instruction.
  *
@@ -337,11 +337,29 @@ class CPUStatePDP11 extends CPUPDP11 {
         this.mmuLastPage = 0;
         this.mmuMask = 0x3ffff;
 
-        this.addrLast = 0;          // this is queried by the Panel when it's not using its own ADDRESS register
-        this.opLast = 0;            // stores the PC and any auto-incs or auto-decs from the last opcode; used to update MMR1 and MMR2
+        /*
+         * This is queried and displayed by the Panel when it's not displaying its own ADDRESS register
+         * (which takes precedence when, for example, you've manually halted the CPU and are independently
+         * examining the contents of other addresses).
+         *
+         * We initialize it to whatever the current PC is, because according to @paulnank's pdp11.js: "Reset
+         * displays next instruction address" and initMMU() is called on a RESET.
+         */
+        this.addrLast = this.regsGen[7];
+
+        /*
+         * This stores the PC in the lower 16 bits, and any auto-incs or auto-decs from the last opcode in the
+         * upper 16 bits;  the lower 16 bits are used to update MMR2, and the upper 16 bits are used to update MMR1.
+         * The upper bits are automatically zeroed at the start of every operation when PC is copied to opLast.
+         */
+        this.opLast = 0;
 
         this.resetIRQs();
 
+        /*
+         * As initCPU() explains, we shouldn't be calling this function until well after initBus() has been
+         * called, but we still make absolutely sure we have Bus access.
+         */
         if (this.bus) {
             this.setMemoryAccess();
             this.addrInvalid = this.bus.getMemoryLimit(MemoryPDP11.TYPE.RAM);
@@ -479,8 +497,8 @@ class CPUStatePDP11 extends CPUPDP11 {
     getMMR1()
     {
         /*
-         * If updates to MMR1 have not been shut off (ie, MMR0.ABORT bits are clear),
-         * then we are allowed to sync MMR1 with its real-time counterpart in opLast.
+         * If updates to MMR1 have not been shut off (ie, MMR0.ABORT bits are clear), then we are allowed
+         * to sync MMR1 with its real-time counterpart in opLast.
          */
         if (!(this.regMMR0 & PDP11.MMR0.ABORT)) {
             this.regMMR1 = (this.opLast >> 16) & 0xffff;
@@ -501,8 +519,8 @@ class CPUStatePDP11 extends CPUPDP11 {
     getMMR2()
     {
         /*
-         * If updates to MMR2 have not been shut off (ie, MMR0.ABORT bits are clear),
-         * then we are allowed to sync MMR2 with its real-time counterpart in opLast.
+         * If updates to MMR2 have not been shut off (ie, MMR0.ABORT bits are clear), then we are allowed
+         * to sync MMR2 with its real-time counterpart in opLast.
          */
         if (!(this.regMMR0 & PDP11.MMR0.ABORT)) {
             this.regMMR2 = this.opLast & 0xffff;
@@ -530,14 +548,14 @@ class CPUStatePDP11 extends CPUPDP11 {
     setMMR3(newMMR3)
     {
         /*
-         * Don't allow the 11/45 to use 22-bit addressing or the UNIBUS map
+         * Don't allow the 11/45 to use 22-bit addressing or the UNIBUS map.
          */
         if (this.model < PDP11.MODEL_1170) {
             newMMR3 &= ~(PDP11.MMR3.MMU_22BIT | PDP11.MMR3.UNIBUS_MAP);
         }
         if (this.regMMR3 != newMMR3) {
             this.regMMR3 = newMMR3;
-            this.mmuMask = (newMMR3 & PDP11.MMR3.MMU_22BIT)? 0x3fffff : 0x3ffff;
+            this.mmuMask = (newMMR3 & PDP11.MMR3.MMU_22BIT)? BusPDP11.MASK_22BIT : BusPDP11.MASK_18BIT;
             this.setMemoryAccess();
         }
     }
@@ -817,6 +835,26 @@ class CPUStatePDP11 extends CPUPDP11 {
         return pc;
     }
 
+    /**
+     * branch(opCode)
+     *
+     * @this {CPUStatePDP11}
+     * @param {number} opCode
+     * @param {boolean|number} condition
+     */
+    branch(opCode, condition)
+    {
+        if (condition) {
+            var off = ((opCode << 24) >> 23);
+            if (DEBUG && DEBUGGER && this.dbg && off == -2) {
+                this.dbg.stopInstruction("branch to self");
+            }
+            this.setPC(this.getPC() + off);
+            this.nStepCycles -= 2;
+        }
+        this.nStepCycles -= (2 + 1);
+    }
+
     /**
      * getPC()
      *
@@ -2151,6 +2189,9 @@ class CPUStatePDP11 extends CPUPDP11 {
     /**
      * getByteChecked(addr)
      *
+     * This is the getByte() handler whenever the Debugger has one or more virtual memory READ breakpoints set;
+     * otherwise, getByte() is bound to Bus.getByte().
+     *
      * @this {CPUStatePDP11}
      * @param {number} addr
      * @return {number}
@@ -2166,6 +2207,9 @@ class CPUStatePDP11 extends CPUPDP11 {
     /**
      * getWordChecked(addr)
      *
+     * This is the getWord() handler whenever the Debugger has one or more virtual memory READ breakpoints set;
+     * otherwise, getWord() is bound to Bus.getWord().
+     *
      * @this {CPUStatePDP11}
      * @param {number} addr
      * @return {number}
@@ -2181,6 +2225,9 @@ class CPUStatePDP11 extends CPUPDP11 {
     /**
      * setByteChecked(addr, data)
      *
+     * This is the setByte() handler whenever the Debugger has one or more virtual memory WRITE breakpoints set;
+     * otherwise, setByte() is bound to Bus.setByte().
+     *
      * @this {CPUStatePDP11}
      * @param {number} addr
      * @param {number} data
@@ -2196,6 +2243,9 @@ class CPUStatePDP11 extends CPUPDP11 {
     /**
      * setWordChecked(addr, data)
      *
+     * This is the setWord() handler whenever the Debugger has one or more virtual memory WRITE breakpoints set;
+     * otherwise, setWord() is bound to Bus.setWord().
+     *
      * @this {CPUStatePDP11}
      * @param {number} addr
      * @param {number} data
@@ -2767,26 +2817,6 @@ class CPUStatePDP11 extends CPUPDP11 {
         }
     }
 
-    /**
-     * branch(opCode)
-     *
-     * @this {CPUStatePDP11}
-     * @param {number} opCode
-     * @param {boolean|number} condition
-     */
-    branch(opCode, condition)
-    {
-        if (condition) {
-            var off = ((opCode << 24) >> 23);
-            if (DEBUG && DEBUGGER && this.dbg && off == -2) {
-                this.dbg.stopInstruction("branch to self");
-            }
-            this.setPC(this.getPC() + off);
-            this.nStepCycles -= 2;
-        }
-        this.nStepCycles -= (2 + 1);
-    }
-
     /**
      * stepCPU(nMinCycles)
      *
diff --git a/modules/pdp11/lib/debugger.js b/modules/pdp11/lib/debugger.js
index 8a9c59f5f..fff05b6ba 100644
--- a/modules/pdp11/lib/debugger.js
+++ b/modules/pdp11/lib/debugger.js
@@ -55,7 +55,7 @@ import MessagesPDP11 from "./messages";
  *      aCmds           preprocessed commands (from sCmd)
  *
  * @typedef {{
- *      addr:(number),
+ *      addr:(number|null),
  *      fPhysical:(boolean),
  *      fTemporary:(boolean),
  *      nBase:(number|undefined),
@@ -203,7 +203,7 @@ class DebuggerPDP11 extends Debugger {
      * getAddr(dbgAddr, fWrite, nb)
      *
      * @this {DebuggerPDP11}
-     * @param {DbgAddrPDP11|null|undefined} dbgAddr
+     * @param {DbgAddrPDP11|null} [dbgAddr]
      * @param {boolean} [fWrite]
      * @param {number} [nb] number of bytes to check (1 or 2); default is 1
      * @return {number} is the corresponding linear address, or PDP11.ADDR_INVALID
@@ -221,14 +221,14 @@ class DebuggerPDP11 extends Debugger {
      * Returns a NEW DbgAddrPDP11 object, initialized with specified values and/or defaults.
      *
      * @this {DebuggerPDP11}
-     * @param {number} [addr]
+     * @param {number|null} [addr]
      * @param {boolean} [fPhysical]
      * @param {number} [nBase]
      * @return {DbgAddrPDP11}
      */
     newAddr(addr, fPhysical, nBase)
     {
-        return {addr: addr || 0, fPhysical: fPhysical || false, fTemporary: false, nBase: nBase};
+        return {addr: addr || null, fPhysical: fPhysical || false, fTemporary: false, nBase: nBase};
     }
 
     /**
@@ -2918,7 +2918,7 @@ class DebuggerPDP11 extends Debugger {
              * TODO: Tweak this output to accommodate 18-bit machines as well as 22-bit machines.
              */
             var fPhysical = (dbgAddr.fPhysical || dbgAddr.addr > 0xffff);
-            var a = this.cpu.getAddrInfo(dbgAddr.addr, fPhysical);
+            var a = this.cpu.getAddrInfo(dbgAddr.addr || 0, fPhysical);
             this.println(Str.pad("", fPhysical? 12: 19) + Str.toBin(dbgAddr.addr, fPhysical? 22 : 17, 3) + "  " + Str.toOct(dbgAddr.addr, 8));
             if (a.length < 6) {
                 if (a.length > 2) {
diff --git a/modules/pdp11/lib/defines.js b/modules/pdp11/lib/defines.js
index 3d8d94037..29af1a5de 100644
--- a/modules/pdp11/lib/defines.js
+++ b/modules/pdp11/lib/defines.js
@@ -708,6 +708,7 @@ var PDP11 = {
         RKER: {                 // 177402: Error Register
             WCE:    0x0001,     // Write Check Error
             CSE:    0x0002,     // Checksum Error
+            SE:     0x0003,     // Soft Error bits (cleared at the start of a new function)
             UNUSED: 0x001C,     // unused (returns zero)
             NXS:    0x0020,     // Non-Existent Sector
             NXC:    0x0040,     // Non-Existent Cylinder
@@ -719,7 +720,8 @@ var PDP11 = {
             SKE:    0x1000,     // Seek Error
             WLO:    0x2000,     // Write Lock-Out Violation
             OVR:    0x4000,     // Overrun
-            DRE:    0x8000      // Drive Error
+            DRE:    0x8000,     // Drive Error
+            HE:     0x7FE0      // Hard Error bits (cleared only by Bus RESET or RK11 CRESET function)
         },
         RKCS: {                 // 177404: Control Status Register
             GO:     0x0001,     // (000001) Go (W/O)
diff --git a/modules/pdp11/lib/device.js b/modules/pdp11/lib/device.js
index e6e1da0fd..2d282101f 100644
--- a/modules/pdp11/lib/device.js
+++ b/modules/pdp11/lib/device.js
@@ -35,11 +35,13 @@
 import Str from "../../shared/es6/strlib";
 import Web from "../../shared/es6/weblib";
 import Component from "../../shared/es6/component";
+import PDP11 from "./defines";
 import BusPDP11 from "./bus";
 import MemoryPDP11 from "./memory";
 import MessagesPDP11 from "./messages";
 import PC11 from "./pc11";
 import RL11 from "./rl11";
+import RK11 from "./rk11";
 
 class DevicePDP11 extends Component {
     /**
diff --git a/modules/pdp11/lib/panel.js b/modules/pdp11/lib/panel.js
index aab68f7d5..2169aaaf1 100644
--- a/modules/pdp11/lib/panel.js
+++ b/modules/pdp11/lib/panel.js
@@ -1020,7 +1020,7 @@ class PanelPDP11 extends Component {
                 }
 
                 /*
-                 * Update the ADDRESS and DATA LEDs by selecting the appropriate values
+                 * Update the ADDRESS and DATA LEDs by selecting the appropriate values.
                  *
                  * TODO: There is currently no mechanism for selecting regData over regDisplay;
                  * we are acting as if the DATASEL switch setting is locked to "DISPLAY REGISTER".
diff --git a/modules/pdp11/lib/rk11.js b/modules/pdp11/lib/rk11.js
index ea9be5d08..597f64207 100644
--- a/modules/pdp11/lib/rk11.js
+++ b/modules/pdp11/lib/rk11.js
@@ -944,30 +944,20 @@ class RK11 extends Component {
     processCommand()
     {
         var fInterrupt = true;
-        var fnReadWrite, sFunc = "";
+        var fnReadWrite, func, sFunc = "";
         var iDrive = (this.regRKDA & PDP11.RK11.RKDA.DS) >> PDP11.RK11.RKDA.SHIFT.DS;
         var drive = this.aDrives[iDrive];
         var iCylinder, iHead, iSector, nWords, addr, inc;
 
-        this.regRKCS &= ~PDP11.RK11.RKCS.CRDY;
-        var func = this.regRKCS & PDP11.RK11.RKCS.FUNC;
+        this.regRKCS &= ~(PDP11.RK11.RKCS.CRDY | PDP11.RK11.RKCS.SCP);
+        this.regRKER &= ~(PDP11.RK11.RKER.SE);
 
-        switch(func) {
+        switch(func = this.regRKCS & PDP11.RK11.RKCS.FUNC) {
 
         case PDP11.RK11.FUNC.CRESET:
             if (this.messageEnabled()) this.printMessage(this.type + ": CRESET(" + iDrive + ")", true);
-            this.regRKER = 0;
+            this.regRKER = this.regRKDA = 0;
             this.regRKCS = PDP11.RK11.RKCS.CRDY;
-            this.regRKDA = 0;
-            break;
-
-        case PDP11.RK11.FUNC.SEEK:
-            iCylinder = (this.regRKDA & PDP11.RK11.RKDA.CA) >> PDP11.RK11.RKDA.SHIFT.CA;
-            if (this.messageEnabled()) this.printMessage(this.type + ": SEEK(" + iCylinder + ")", true);
-            if (iCylinder >= drive.nCylinders) {
-                this.regRKER |= PDP11.RK11.RKER.DRE | PDP11.RK11.RKER.NXC;
-                this.regRKCS |= PDP11.RK11.RKCS.HE | PDP11.RK11.RKCS.ERR;
-            }
             break;
 
         case PDP11.RK11.FUNC.RCHK:
@@ -997,21 +987,31 @@ class RK11 extends Component {
             if (this.messageEnabled()) this.printMessage(this.type + ": " + sFunc + "(" + iCylinder + ":" + iHead + ":" + iSector + ") " + Str.toOct(addr) + "--" + Str.toOct(addr + (nWords << 1)), true, true);
 
             if (iCylinder >= drive.nCylinders) {
-                this.regRKER |= PDP11.RK11.RKER.DRE | PDP11.RK11.RKER.NXC;
-                this.regRKCS |= PDP11.RK11.RKCS.HE | PDP11.RK11.RKCS.ERR;
+                this.regRKER |= PDP11.RK11.RKER.NXC;
                 break;
             }
             if (iSector >= drive.nSectors) {
-                this.regRKER |= PDP11.RK11.RKER.DRE | PDP11.RK11.RKER.NXS;
-                this.regRKCS |= PDP11.RK11.RKCS.HE | PDP11.RK11.RKCS.ERR;
+                this.regRKER |= PDP11.RK11.RKER.NXS;
                 break;
             }
 
             fInterrupt = fnReadWrite.call(this, drive, iCylinder, iHead, iSector, nWords, addr, inc, (func >= PDP11.RK11.FUNC.WCHK), this.doneReadWrite.bind(this));
             break;
 
+        case PDP11.RK11.FUNC.SEEK:
+            iCylinder = (this.regRKDA & PDP11.RK11.RKDA.CA) >> PDP11.RK11.RKDA.SHIFT.CA;
+            if (this.messageEnabled()) this.printMessage(this.type + ": SEEK(" + iCylinder + ")", true);
+            if (iCylinder < drive.nCylinders) {
+                this.regRKCS |= PDP11.RK11.RKCS.SCP;
+            } else {
+                this.regRKER |= PDP11.RK11.RKER.NXC;
+            }
+            break;
+
         case PDP11.RK11.FUNC.DRESET:
             if (this.messageEnabled()) this.printMessage(this.type + ": DRESET(" + iDrive + ")");
+            this.regRKER = this.regRKDA = 0;
+            this.regRKCS = PDP11.RK11.RKCS.CRDY | PDP11.RK11.RKCS.SCP;
             break;
 
         default:
@@ -1021,9 +1021,7 @@ class RK11 extends Component {
 
         this.regRKDS = drive.status | (drive.disk? PDP11.RK11.RKDS.DRDY : 0) | (iDrive << PDP11.RK11.RKDS.SHIFT.ID) | (this.regRKDA & PDP11.RK11.RKDS.SC);
 
-        if (this.regRKER & PDP11.RK11.RKER.DRE) {
-            if (this.messageEnabled()) this.printMessage(this.type + ": ERROR: " + Str.toOct(this.regRKER));
-        }
+        this.updateErrors();
 
         if (fInterrupt) {
             this.regRKCS &= ~PDP11.RK11.RKCS.GO;
@@ -1139,8 +1137,6 @@ class RK11 extends Component {
                 err = PDP11.RK11.RKER.NXM;
                 break;
             }
-            addr += inc;
-            nWords--;
             if (!sector) {
                 if (iCylinder >= disk.nCylinders) {
                     err = PDP11.RK11.RKER.NXC;
@@ -1167,56 +1163,19 @@ class RK11 extends Component {
                     break;
                 }
                 /*
-                 * TODO: Figure out why certain WCHK commands fail during the 11/70 CPU EXERCISER diagnostic,
-                 * once the test starts reading/writing with physical addresses > 177777.  I think all the
-                 * UNIBUS address calculations are fine, so I'm at a loss to explain how a WCHK operation
-                 * can succeed when the diagnostic itself appears to alter the memory immediately after the
-                 * preceding WRITE operation.
+                 * NOTE: During the 11/70 CPU EXERCISER diagnostic, a number of WCHK requests will fail
+                 * when the test starts reading/writing with physical addresses > 177777.  I'm pretty sure all
+                 * the UNIBUS address calculations are fine, and therefore those failures are expected.
                  *
-                 * The following machine is already primed with the diagnostic, as well as the recommended
-                 * breakpoints and messages:
-                 *
-                 *      http://www.pcjs.org/devices/pdp11/machine/1170/panel/debugger/cpuexer/
-                 *
-                 * If you're not using that machine, turn on RK11 messages ("m rk11 on"), set a breakpoint at
-                 * 033330 ("bp 033330") and then take a look at the first RK11 operation after that breakpoint;
-                 * it should be the first one using a UNIBUS address larger than 16 bits:
-                 *
-                 *      RK11: WRITE(147:1:2) 00453610--00463610 @037772
-                 *
-                 * Use a breakpoint to halt the machine at 037772, and then use the Debugger's "da" command
-                 * to determine where UNIBUS address 00453610 is mapped (make sure you specify it as a physical
-                 * address using the % prefix):
-                 *
-                 *      >> da %00453610
-                 *                         00,101,011,110,001,000  00453610
-                 *      UNIMAP[18]: 1,111,111,110,100,001,111,000  17764170
-                 *          OFFSET:             1,011,110,001,000  00013610
-                 *        PHYSICAL: 0,000,000,000,000,000,000,000  00000000
-                 *
-                 * So, you can see that the starting address for the WRITE is perfectly calculated to begin at
-                 * physical address 0.  And the "da" command indicates virtual address 0 points to the same
-                 * memory:
-                 *
-                 *      >> da 0
-                 *                         00,000,000,000,000,000  00000000
-                 *                              0,000,000,000,000  00000000
-                 *      +   KIPAR0: 0,000,000,000,000,000,000,000  00000000
-                 *      &  MMUMASK: 1,111,111,111,111,111,111,111  17777777
-                 *      = PHYSICAL: 0,000,000,000,000,000,000,000  00000000
-                 *
-                 * Strangely, the diagnostic (its interrupt handler to be exact) is updating the next RKCS command
-                 * value at 001570, which is right in the middle of the first 2048 words of memory -- the same 2048
-                 * words that the diagnostic is about to WRITE and then WCHK.  Since that value is changing between
-                 * the WRITE and the WCHK, how can WCHK succeed?
-                 *
-                 * For now, I just pretend that it does, by skipping the actual comparison.
-                 *
-                 *      if (data != (b0 | (b1 << 8))) {
-                 *          err = PDP11.RK11.RKER.WCE;
-                 *          break;
-                 *      }
+                 * Originally, those failures were causing me some grief because I was treating a WCE error like
+                 * any other error; ie, as a HARD error.  That was wrong.  Two errors (WCE and CSE) are soft
+                 * errors, so while they should still trigger the general-purpose RKCS ERR bit, they should NOT
+                 * trigger the RKCS HE (Hard Error) bit.  This is all taken care of in updateErrors() now.
                  */
+                if (data != (b0 | (b1 << 8))) {
+                    err = PDP11.RK11.RKER.WCE;
+                    break;
+                }
             } else {
                 if (!disk.write(sector, ibSector++, data & 0xff) || !disk.write(sector, ibSector++, data >> 8)) {
                     err = PDP11.RK11.RKER.NXS;
@@ -1224,6 +1183,8 @@ class RK11 extends Component {
                 }
             }
             if (ibSector >= disk.cbSector) sector = null;
+            addr += inc;
+            nWords--;
         }
         return done? done(err, iCylinder, iHead, iSector, nWords, addr) : err;
     }
@@ -1246,13 +1207,39 @@ class RK11 extends Component {
         this.regRKCS = (this.regRKCS & ~PDP11.RK11.RKCS.MEX) | ((addr >> (16 - PDP11.RK11.RKCS.SHIFT.MEX)) & PDP11.RK11.RKCS.MEX);
         this.regRKWC = (0x10000 - nWords) & 0xffff;
         this.regRKDA = (this.regRKDA & ~PDP11.RK11.RKDA.SA) | (iSector & PDP11.RK11.RKDA.SA);
-        if (err) {
-            this.regRKER |= err | PDP11.RK11.RKER.DRE;
-            this.regRKCS |= PDP11.RK11.RKCS.HE | PDP11.RK11.RKCS.ERR;
-        }
+        this.regRKER |= err;
+        this.updateErrors();
         return true;
     }
 
+    /**
+     * updateErrors()
+     *
+     * @this {RK11}
+     */
+    updateErrors()
+    {
+        /*
+         * Reflect RKER bits to RKCS bits as appropriate.
+         *
+         * TODO: I'm not entirely sure about the handling of the DRE bit here.  DEC's RK11 documentation says:
+         *
+         *      Sets if one of the drives in the system senses a loss of either AC or DC power and a function is
+         *      either initiated or in process while the selected drive is not ready or in some error condition.
+         *
+         * I'm not sure how to parse all the "ands" and "ors" in that sentence.  For now, we're treating the DRE bit
+         * much like the high error bit found in other hardware registers: we always set it if any lower error bits
+         * are also set.
+         */
+        this.regRKCS &= ~PDP11.RK11.RKCS.ERR;
+        if (this.regRKER) {
+            this.regRKER |= PDP11.RK11.RKER.DRE;
+            this.regRKCS |= PDP11.RK11.RKCS.ERR;
+            if (this.regRKER & PDP11.RK11.RKER.HE) this.regRKCS |= PDP11.RK11.RKCS.HE;
+            if (this.messageEnabled()) this.printMessage(this.type + ": ERROR: " + Str.toOct(this.regRKER));
+        }
+    }
+
     /**
      * readRKDS(addr)
      *
diff --git a/modules/shared/es6/README.md b/modules/shared/es6/README.md
new file mode 100644
index 000000000..c01780b84
--- /dev/null
+++ b/modules/shared/es6/README.md
@@ -0,0 +1,28 @@
+Shared (ES6) Sources
+====================
+
+This folder contains a mix of shared code, with some files used only by Node (server) modules,
+some used only by Browser (client) modules, and others used by both.
+
+At the moment, only a few files are completely agnostic; eg: [strlib.js](strlib.js) and [usrlib.js](usrlib.js).
+One give-away is that neither contain references to any globals (although references to each other
+would be fine).
+
+[netlib.js](netlib.js) is appropriate only for Node modules, because it contains code that relies on Node's
+global *Buffer* object, as indicated by:
+
+	/* global Buffer: false */
+
+[weblib.js](weblib.js) is appropriate only for client modules, because it contains code that relies on the
+browser's global *window* object, as indicated by:
+
+	/* global window: true */
+
+We declare *window* modifiable (true) so that [defines.js](defines.js) can set *global.window* to *false*
+when running within Node, allowing any other code to test the existence of *window* with a simple:
+
+	if (window) {...}
+	
+instead of:
+
+	if (typeof window !== "undefined") {...}
diff --git a/modules/shared/es6/component.js b/modules/shared/es6/component.js
index d395e5299..74f1ad9be 100644
--- a/modules/shared/es6/component.js
+++ b/modules/shared/es6/component.js
@@ -1027,7 +1027,7 @@ if (!Array.prototype.indexOf) {
  * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
  */
 if (!Array.isArray) {
-    Array.isArray = function (arg) {
+    Array.isArray = function(arg) {
         return Object.prototype.toString.call(arg) === '[object Array]';
     };
 }
diff --git a/modules/shared/es6/debugger.js b/modules/shared/es6/debugger.js
index cf6448432..16308d4e0 100644
--- a/modules/shared/es6/debugger.js
+++ b/modules/shared/es6/debugger.js
@@ -29,7 +29,7 @@
 "use strict";
 
 import Str from "../../shared/es6/strlib";
-import Component from "../..shared/es6/component";
+import Component from "../../shared/es6/component";
 
 /**
  * Debugger Address Object
diff --git a/modules/shared/es6/netlib.js b/modules/shared/es6/netlib.js
index 4cb2a89ef..d36997057 100644
--- a/modules/shared/es6/netlib.js
+++ b/modules/shared/es6/netlib.js
@@ -156,7 +156,7 @@ class Net {
         var options = url.parse(sURL);
         options.method = "HEAD";
         options.path = options.pathname;    // TODO: Determine the necessity of aliasing this
-        var req = http.request(options, function (res)
+        var req = http.request(options, function(res)
         {
             var err = null;
             var stat = null;
@@ -179,7 +179,7 @@ class Net {
             }
             done(err, stat);
         });
-        req.on('error', function (err)
+        req.on('error', function(err)
         {
             done(err, null);
         });
@@ -211,9 +211,9 @@ class Net {
          */
         var sFile = "";
         var bufFile = null;
-        http.get(sURL, function (res)
+        http.get(sURL, function(res)
         {
-            res.on('data', function (data)
+            res.on('data', function(data)
             {
                 if (sEncoding) {
                     sFile += data;
@@ -241,7 +241,7 @@ class Net {
                  *      bufFile = buf;
                  */
                 bufFile = Buffer.concat([bufFile, data], bufFile.length + data.length);
-            }).on('end', function ()
+            }).on('end', function()
             {
                 /*
                  * TODO: Decide what to do when res.statusCode is actually an error code (eg, 404), because
@@ -252,7 +252,7 @@ class Net {
                 } else {
                     done(new Error(sEncoding ? sFile : bufFile), res.statusCode, null);
                 }
-            }).on('error', function (err)
+            }).on('error', function(err)
             {
                 done(err, res.statusCode, null);
             });
@@ -279,12 +279,12 @@ class Net {
          * Either the documentation isn't quite right for url.parse() or http.request() (the big brother
          * of http.get), or one of those "options" properties is aliased to the other, or...?
          */
-        http.get(sURL, function (res)
+        http.get(sURL, function(res)
         {
-            res.on('data', function (data)
+            res.on('data', function(data)
             {
                 file.write(data);
-            }).on('end', function ()
+            }).on('end', function()
             {
                 file.end();
                 /*
@@ -295,7 +295,7 @@ class Net {
                  * in such cases, the file content will likely just be an HTML error page.
                  */
                 done(null, res.statusCode);
-            }).on('error', function (err)
+            }).on('error', function(err)
             {
                 done(err, res.statusCode);
             });
@@ -329,7 +329,7 @@ class Net {
             var sBaseName = Str.getBaseName(sURL);
             var sFile = path.join(Net.sServerRoot, sURL);
             if (fAsync) {
-                fs.readFile(sFile, {encoding: "utf8"}, function (err, s)
+                fs.readFile(sFile, {encoding: "utf8"}, function(err, s)
                 {
                     /*
                      * TODO: If err is set, is there an error code we should return (instead of -1)?
diff --git a/modules/shared/es6/proclib.js b/modules/shared/es6/proclib.js
index aca7c8b58..818a708a4 100644
--- a/modules/shared/es6/proclib.js
+++ b/modules/shared/es6/proclib.js
@@ -44,7 +44,7 @@ class Proc {
      *
      * @return {{argc:number, argv:{}}}
      */
-    static getArgs = function ()
+    static getArgs()
     {
         var argc = 0;
         var argv = {};
diff --git a/modules/shared/es6/strlib.js b/modules/shared/es6/strlib.js
index 804d9301b..24db0468b 100644
--- a/modules/shared/es6/strlib.js
+++ b/modules/shared/es6/strlib.js
@@ -450,7 +450,7 @@ class Str {
      */
     static escapeHTML(sHTML)
     {
-        return sHTML.replace(/[&<>"']/g, function (m)
+        return sHTML.replace(/[&<>"']/g, function(m)
         {
             return Str.aHTMLEscapeMap[m];
         });
@@ -494,7 +494,7 @@ class Str {
             k = k.replace(/([\\[\]*{}().+?])/g, "\\$1");
             sMatch += (sMatch ? '|' : '') + k;
         }
-        return s.replace(new RegExp('(' + sMatch + ')', "g"), function (m)
+        return s.replace(new RegExp('(' + sMatch + ')', "g"), function(m)
         {
             return a[m];
         });
@@ -553,7 +553,10 @@ class Str {
      */
     static toASCIICode(b)
     {
-        var s = (b != Str.ASCII.CR && b != Str.ASCII.LF ? Str.aASCIICodes[b] : null);
+        var s;
+        if (b != Str.ASCII.CR && b != Str.ASCII.LF) {
+            s = Str.aASCIICodes[b];
+        }
         if (s) {
             s = '<' + s + '>';
         } else {
diff --git a/modules/shared/es6/usrlib.js b/modules/shared/es6/usrlib.js
index 1ea251fd1..d3260b457 100644
--- a/modules/shared/es6/usrlib.js
+++ b/modules/shared/es6/usrlib.js
@@ -56,7 +56,7 @@ class Usr {
         var right = a.length;
         var found = 0;
         if (fnCompare === undefined) {
-            fnCompare = function (a, b)
+            fnCompare = function(a, b)
             {
                 return a > b ? 1 : a < b ? -1 : 0;
             };
diff --git a/modules/shared/es6/weblib.js b/modules/shared/es6/weblib.js
index cc7f22fd7..c83cc951e 100644
--- a/modules/shared/es6/weblib.js
+++ b/modules/shared/es6/weblib.js
@@ -174,7 +174,7 @@ class Web {
             return [sResource, nErrorCode];
         }
         else if (fAsync && typeof resources == 'function') {
-            resources(sURL, function (sResource, nErrorCode)
+            resources(sURL, function(sResource, nErrorCode)
             {
                 if (done) done(sURL, sResource, nErrorCode);
             });
@@ -190,7 +190,7 @@ class Web {
 
         var xmlHTTP = (window.XMLHttpRequest ? new window.XMLHttpRequest() : new window.ActiveXObject("Microsoft.XMLHTTP"));
         if (fAsync) {
-            xmlHTTP.onreadystatechange = function ()
+            xmlHTTP.onreadystatechange = function()
             {
                 if (xmlHTTP.readyState === 4) {
                     /*
@@ -679,7 +679,7 @@ class Web {
             var match;
             var pl = /\+/g; // RegExp for replacing addition symbol with a space
             var search = /([^&=]+)=?([^&]*)/g;
-            var decode = function (s)
+            var decode = function(s)
             {
                 return decodeURIComponent(s.replace(pl, " "));
             };
@@ -777,7 +777,7 @@ class Web {
                 ms = msRepeat;
             }
         };
-        e.onmousedown = function ()
+        e.onmousedown = function()
         {
             // Web.log("onMouseDown()");
             if (!fIgnoreMouseEvents) {
@@ -787,7 +787,7 @@ class Web {
                 }
             }
         };
-        e.ontouchstart = function ()
+        e.ontouchstart = function()
         {
             // Web.log("onTouchStart()");
             if (!timer) {
@@ -795,7 +795,7 @@ class Web {
                 fnRepeat();
             }
         };
-        e.onmouseup = e.onmouseout = function ()
+        e.onmouseup = e.onmouseout = function()
         {
             // Web.log("onMouseUp()/onMouseOut()");
             if (timer) {
@@ -803,7 +803,7 @@ class Web {
                 timer = null;
             }
         };
-        e.ontouchend = e.ontouchcancel = function ()
+        e.ontouchend = e.ontouchcancel = function()
         {
             // Web.log("onTouchEnd()/onTouchCancel()");
             if (timer) {
diff --git a/modules/shared/lib/README.md b/modules/shared/lib/README.md
index 5fdee8d8a..045f2377e 100644
--- a/modules/shared/lib/README.md
+++ b/modules/shared/lib/README.md
@@ -1,5 +1,5 @@
 Shared Sources
-===
+==============
 
 This folder contains a mix of shared code, with some files used only by Node (server) modules,
 some used only by Browser (client) modules, and others used by both.
@@ -8,7 +8,7 @@ At the moment, only a few files are completely agnostic; eg: [strlib.js](strlib.
 One give-away is that neither contain references to any globals (although references to each other
 would be fine).
 
-**netlib.js** is appropriate only for Node modules, because it contains code that relies on Node's
+[netlib.js](netlib.js) is appropriate only for Node modules, because it contains code that relies on Node's
 global *Buffer* object, as indicated by:
 
 	/* global Buffer: false */
diff --git a/modules/shared/lib/component.js b/modules/shared/lib/component.js
index 07a03b6f4..92b0abe8e 100644
--- a/modules/shared/lib/component.js
+++ b/modules/shared/lib/component.js
@@ -1081,7 +1081,7 @@ if (!Array.prototype.indexOf) {
  * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
  */
 if (!Array.isArray) {
-    Array.isArray = function (arg) {
+    Array.isArray = function(arg) {
         return Object.prototype.toString.call(arg) === '[object Array]';
     };
 }
diff --git a/modules/shared/lib/sockets.js b/modules/shared/lib/sockets.js
index da453401c..06c16914b 100644
--- a/modules/shared/lib/sockets.js
+++ b/modules/shared/lib/sockets.js
@@ -34,6 +34,6 @@
 var socket = io.connect();
 
 // if we get an "info" emit from the socket server then console.log the data we receive
-socket.on('info', function (data) {
+socket.on('info', function(data) {
     console.log(data);
 });
diff --git a/pubs/dec/pdp11/README.md b/pubs/dec/pdp11/README.md
index 5e9ab70c8..d343fb05e 100644
--- a/pubs/dec/pdp11/README.md
+++ b/pubs/dec/pdp11/README.md
@@ -8,26 +8,26 @@ DEC PDP-11 Publications
 ---
 
 This page summarizes PDP-11 documentation that was useful in creating [PDPjs](/modules/pdp11/).  In most cases,
-these documents came from the PDF Document Archive at [bitsavers.org](http://bitsavers.org),  in the [/pdf/dec/pdp11/](http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/pdp11/)
+these documents came from the PDF Document Archive at [bitsavers.org](http://bitsavers.org),  in the [/pdf/dec/pdp11/](http://bitsavers.org/pdf/dec/pdp11/)
 directory.  If a PDF was not searchable, it was "OCR'ed" before being archived below. 
 
 [PDP-11/20](1120/)
 
 - [PDP-11/20 Handbook (1969)](http://archive.pcjs.org/pubs/dec/pdp11/1120/PDP1120_Handbook_1969.pdf) [[Original PDF](http://research.microsoft.com/en-us/um/people/gbell/Digital/PDP%2011%20Handbook%201969.pdf)]
-- [PDP-11/20 Handbook (1971)](http://archive.pcjs.org/pubs/dec/pdp11/1120/PDP1120_Handbook_1971.pdf) [[Original PDF](http://bitsavers.trailing-edge.com/pdf/dec/pdp11/handbooks/PDP1120_Handbook_1972.pdf)]
+- [PDP-11/20 Handbook (1971)](http://archive.pcjs.org/pubs/dec/pdp11/1120/PDP1120_Handbook_1971.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/handbooks/PDP1120_Handbook_1972.pdf)]
 
 [PDP-11/40](1140/)
 
-- [PDP-11/40 Handbook (1972)](http://archive.pcjs.org/pubs/dec/pdp11/1140/PDP1140_Handbook_1972.pdf) [[Original PDF](http://bitsavers.trailing-edge.com/pdf/dec/pdp11/handbooks/PDP-11_40_Processor_Handbook_1972.pdf)]
+- [PDP-11/40 Handbook (1972)](http://archive.pcjs.org/pubs/dec/pdp11/1140/PDP1140_Handbook_1972.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/handbooks/PDP-11_40_Processor_Handbook_1972.pdf)]
 
 [PDP-11/45](1145/)
 
-- [PDP-11/45 Handbook (1973)](http://archive.pcjs.org/pubs/dec/pdp11/1145/PDP1145_Handbook_1973.pdf) [[Original PDF](http://bitsavers.trailing-edge.com/pdf/dec/pdp11/handbooks/PDP1145_Handbook_1973.pdf)]
+- [PDP-11/45 Handbook (1973)](http://archive.pcjs.org/pubs/dec/pdp11/1145/PDP1145_Handbook_1973.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/handbooks/PDP1145_Handbook_1973.pdf)]
 
 [PDP-11/70](1170/)
 
-- [PDP-11/70 Handbook (1976)](http://archive.pcjs.org/pubs/dec/pdp11/1170/PDP1170_Handbook_1976.pdf) [[Original PDF](http://bitsavers.informatik.uni-stuttgart.de/pdf/dec/pdp11/1170/PDP-11_70_Handbook_1977-78.pdf)]
-- [PDP-11/70 Handbook (1979)](http://archive.pcjs.org/pubs/dec/pdp11/1170/PDP1170_Handbook_1979.pdf) [[Original PDF](http://bitsavers.trailing-edge.com/pdf/dec/pdp11/handbooks/PDP11_Handbook1979.pdf)]
+- [PDP-11/70 Handbook (1976)](http://archive.pcjs.org/pubs/dec/pdp11/1170/PDP1170_Handbook_1976.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/1170/PDP-11_70_Handbook_1977-78.pdf)]
+- [PDP-11/70 Handbook (1979)](http://archive.pcjs.org/pubs/dec/pdp11/1170/PDP1170_Handbook_1979.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/handbooks/PDP11_Handbook1979.pdf)]
 
 [PDP-11 BASIC](basic/)
 
@@ -36,18 +36,26 @@ directory.  If a PDF was not searchable, it was "OCR'ed" before being archived b
 
 [PDP-11 Diagnostics](diags/)
 
-- [MAINDEC-11-DZQAB MAINDEC USER REFERENCE MANUAL (Oct 1973)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQAB-B-D_User_Reference_Manual_Oct73.pdf)
-- [MAINDEC-11-DCQKC 11/40 and 11/45 INSTRUCTION EXERCISER (Sep 1974)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DCQKC-D-D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf)
-- [MAINDEC-11-DZQXA XXDP USER MANUAL (Jul 1976)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQXA-I-D_XXDP_User_Manual_Jul76.pdf)
-- [CEKBAD0 11/70 CPU #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AH-7963D-MC_CEKBAD0_1170_CPU_1_May80.pdf)
-- [CEKBBF0 11/70 CPU #2 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AH-7968F-MC_CEKBBF0_1170_CPU_2_May80.pdf)
-- [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.pdf)
+- [MAINDEC-11-DZQAB MAINDEC USER REFERENCE MANUAL (Oct 1973)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQAB-B-D_User_Reference_Manual_Oct73.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/MAINDEC-11-DZQAB-B-D_MAINDEC_User_Reference_Manual_Oct73.pdf)]
+- [MAINDEC-11-DCQKC 11/40 and 11/45 INSTRUCTION EXERCISER (Sep 1974)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DCQKC-D-D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/diag_listings/1140_45/028_MAINDEC-11-DCQKC-D_D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf)]
+- [MAINDEC-11-DZQXA XXDP USER MANUAL (Jul 1976)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQXA-I-D_XXDP_User_Manual_Jul76.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/MAINDEC-11-DZQXA-I-D_XXDP_User_Manual_Jul76.pdf)]
+- [CEKBAD0 11/70 CPU #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7962D-MC_CEKBAD0_1170_CPU_1_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7963D-MC__PDP-11-70__11-70_CPU_%231__CEKBAD0__%28C%2975-80.pdf)]
+- [CEKBBF0 11/70 CPU #2 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7966F-MC_CEKBBF0_1170_CPU_2_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7968F-MC__PDP11-70__11-70_CPU_%232__CEKBBF0__%28C%2975,80.pdf)]
+- [CEKBCD0 11/70 CACHE #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-0009D-MC_CEKBCD0_1170_CACHE_1_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-0010D-MC__PDP11-70-74__11-70_CACHE_%231__CEKBCD0__%28C%2975,80.pdf)]
+- [CEKBDE0 11/70 CACHE #2 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7971E-MC_CEKBDE0_1170_CACHE_2_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7972E-MC__PDP11-70-74__11-70_CACHE_%232__CEKBDE0__%28C%2975,80.pdf)]
+- [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7976E-MC__PDP-11-70__11-70_MEM_MGMT__CEKBEE0__%28C%2975,80.pdf)]
+- [CEKBFD0 11/70 UNIBUS MAP (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7979D-MC_CEKBFD0_1170_UNIBUS_MAP_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7980D-MC__11-70-11-74__11-70_UNIBUS_MAP__CEKBFD0__%28C%2975-80.pdf)]
+- [CEMJAD0 11/70 MEM TST (Feb 1979)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7990D-MC_CEMJAD0_1170_MEM_TST_Feb79.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7991D-MC__MJ11__11-70_MEM_TST__CEMJAD0__%28C%2973-79.pdf)]
+- [CEQKCE0 11/70 INSTRUCTION EXERCISER (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7994E-MC_CEQKCE0_1170_INSTRUCTION_EXERCISER_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7996E-MC__PDP11-70-74__11-70_INST_EXR__CEQKCE0__%28C%2975,80.pdf)]
+- [CFKAAC0 11/34 BASIC INSTRUCTION TEST (Oct 1978)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-8041C-MC_CFKAAC0_1134_BSC_INST_TST_Oct78.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/diag_listings/1134/AC-8041C-MC_CFKAAC0-1134-Bsc-Inst-Tst_Oct78.pdf)]
+- [CXCPAG0 INSTRUCTION TEST (Sep 1978)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-E664G-MC_CXCPAG0_PROCESSOR_TEST_Sep78.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/x11_listings/AC-E664G-MC_CXCPAG0-Processor-test_Sep78.pdf)]
 - [PDP-11 DIAGNOSTIC HANDBOOK (1988)](http://archive.pcjs.org/pubs/dec/pdp11/diags/PDP11_DiagnosticHandbook_1988.pdf)
 - [Notes for XXDP+ and XXDP V2 Operating Systems (Feb 1993)](http://archive.pcjs.org/pubs/dec/pdp11/diags/XXDP_Notes_Feb93.pdf)
 
 [PDP-11 KW11](kw11/)
 
-- [KW11-L Line Time Clock Manual (Apr 1973)](http://archive.pcjs.org/pubs/dec/pdp11/kw11/KW11L_Apr73.pdf)
+- [KW11-L Line Time Clock Manual (Apr 1973)](http://archive.pcjs.org/pubs/dec/pdp11/kw11/KW11L_Apr73.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/unibus/DEC-11-HKWB-D_KW11L_Apr73.pdf)]
+- [KW11-L Line Time Clock Manual (Jul 1974)](http://archive.pcjs.org/pubs/dec/pdp11/kw11/KW11L_Jul74.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/1140/EK-KW11L_TM-002_KW11-L_Line_Time_Clock_Manual_Jul74.pdf)]
 
 [PDP-11 M9312](m9312/)
 
diff --git a/pubs/dec/pdp11/diags/README.md b/pubs/dec/pdp11/diags/README.md
index a908a5d19..f6289f423 100644
--- a/pubs/dec/pdp11/diags/README.md
+++ b/pubs/dec/pdp11/diags/README.md
@@ -9,12 +9,19 @@ DEC PDP-11 Diagnostic Publications
 
 PDPjs development and testing relied on the following PDP-11 diagnostic publications:
 
-- [MAINDEC-11-DZQAB MAINDEC USER REFERENCE MANUAL (Oct 1973)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQAB-B-D_User_Reference_Manual_Oct73.pdf)
-- [MAINDEC-11-DCQKC 11/40 and 11/45 INSTRUCTION EXERCISER (Sep 1974)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DCQKC-D-D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf)
-- [MAINDEC-11-DZQXA XXDP USER MANUAL (Jul 1976)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQXA-I-D_XXDP_User_Manual_Jul76.pdf)
-- [CEKBAD0 11/70 CPU #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AH-7963D-MC_CEKBAD0_1170_CPU_1_May80.pdf)
-- [CEKBBF0 11/70 CPU #2 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AH-7968F-MC_CEKBBF0_1170_CPU_2_May80.pdf)
-- [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.pdf)
+- [MAINDEC-11-DZQAB MAINDEC USER REFERENCE MANUAL (Oct 1973)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQAB-B-D_User_Reference_Manual_Oct73.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/MAINDEC-11-DZQAB-B-D_MAINDEC_User_Reference_Manual_Oct73.pdf)]
+- [MAINDEC-11-DCQKC 11/40 and 11/45 INSTRUCTION EXERCISER (Sep 1974)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DCQKC-D-D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/diag_listings/1140_45/028_MAINDEC-11-DCQKC-D_D_1140_1145_INSTRUCTION_EXERCISER_Sep74.pdf)]
+- [MAINDEC-11-DZQXA XXDP USER MANUAL (Jul 1976)](http://archive.pcjs.org/pubs/dec/pdp11/diags/MAINDEC-11-DZQXA-I-D_XXDP_User_Manual_Jul76.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/MAINDEC-11-DZQXA-I-D_XXDP_User_Manual_Jul76.pdf)]
+- [CEKBAD0 11/70 CPU #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7962D-MC_CEKBAD0_1170_CPU_1_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7963D-MC__PDP-11-70__11-70_CPU_%231__CEKBAD0__%28C%2975-80.pdf)]
+- [CEKBBF0 11/70 CPU #2 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7966F-MC_CEKBBF0_1170_CPU_2_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7968F-MC__PDP11-70__11-70_CPU_%232__CEKBBF0__%28C%2975,80.pdf)]
+- [CEKBCD0 11/70 CACHE #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-0009D-MC_CEKBCD0_1170_CACHE_1_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-0010D-MC__PDP11-70-74__11-70_CACHE_%231__CEKBCD0__%28C%2975,80.pdf)]
+- [CEKBDE0 11/70 CACHE #2 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7971E-MC_CEKBDE0_1170_CACHE_2_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7972E-MC__PDP11-70-74__11-70_CACHE_%232__CEKBDE0__%28C%2975,80.pdf)]
+- [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7976E-MC__PDP-11-70__11-70_MEM_MGMT__CEKBEE0__%28C%2975,80.pdf)]
+- [CEKBFD0 11/70 UNIBUS MAP (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7979D-MC_CEKBFD0_1170_UNIBUS_MAP_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7980D-MC__11-70-11-74__11-70_UNIBUS_MAP__CEKBFD0__%28C%2975-80.pdf)]
+- [CEMJAD0 11/70 MEM TST (Feb 1979)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7990D-MC_CEMJAD0_1170_MEM_TST_Feb79.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7991D-MC__MJ11__11-70_MEM_TST__CEMJAD0__%28C%2973-79.pdf)]
+- [CEQKCE0 11/70 INSTRUCTION EXERCISER (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7994E-MC_CEQKCE0_1170_INSTRUCTION_EXERCISER_May80.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/microfiche/ftp.j-hoppe.de/bw/gh/AH-7996E-MC__PDP11-70-74__11-70_INST_EXR__CEQKCE0__%28C%2975,80.pdf)]
+- [CFKAAC0 11/34 BASIC INSTRUCTION TEST (Oct 1978)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-8041C-MC_CFKAAC0_1134_BSC_INST_TST_Oct78.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/diag_listings/1134/AC-8041C-MC_CFKAAC0-1134-Bsc-Inst-Tst_Oct78.pdf)]
+- [CXCPAG0 INSTRUCTION TEST (Sep 1978)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-E664G-MC_CXCPAG0_PROCESSOR_TEST_Sep78.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/xxdp/x11_listings/AC-E664G-MC_CXCPAG0-Processor-test_Sep78.pdf)]
 
 The *MAINDEC-11-DZQAB MAINDEC USER REFERENCE MANUAL (Oct 1973)* was particularly useful for understanding DEC's
 [Paper Tape Diagnostics](/apps/pdp11/tapes/diags/).
diff --git a/pubs/dec/pdp11/kw11/README.md b/pubs/dec/pdp11/kw11/README.md
index 3db99d266..e00e13209 100644
--- a/pubs/dec/pdp11/kw11/README.md
+++ b/pubs/dec/pdp11/kw11/README.md
@@ -9,4 +9,5 @@ DEC PDP-11 KW11 Line Time Clock
 
 PDPjs development and testing relied on the following PDP-11 publications:
 
-- [KW11-L Line Time Clock Manual (Apr 1973)](http://archive.pcjs.org/pubs/dec/pdp11/kw11/KW11L_Apr73.pdf)
+- [KW11-L Line Time Clock Manual (Apr 1973)](http://archive.pcjs.org/pubs/dec/pdp11/kw11/KW11L_Apr73.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/unibus/DEC-11-HKWB-D_KW11L_Apr73.pdf)]
+- [KW11-L Line Time Clock Manual (Jul 1974)](http://archive.pcjs.org/pubs/dec/pdp11/kw11/KW11L_Jul74.pdf) [[Original PDF](http://bitsavers.org/pdf/dec/pdp11/1140/EK-KW11L_TM-002_KW11-L_Line_Time_Clock_Manual_Jul74.pdf)]
diff --git a/versions/pdpjs/1.31.0/pdp11-dbg.js b/versions/pdpjs/1.31.0/pdp11-dbg.js
index 1b37de24b..714aaef5d 100644
--- a/versions/pdpjs/1.31.0/pdp11-dbg.js
+++ b/versions/pdpjs/1.31.0/pdp11-dbg.js
@@ -79,7 +79,7 @@ function Ic(a,b,c,d,e){for(var f=b,g=c,k=f>>>a.g;0<g&&k<a.b.length;){var l=a.b[k
 h.Zb=function(a){return this.v[(a&this.w)>>>this.g].ia(a&this.j,a)};h.Jc=function(a,b){this.v[(a&this.w)>>>this.g].Xb(a&this.j,b,a)};h.Ib=function(a,b){this.v[(a&this.w)>>>this.g].sb(a&this.j,b,a)};function Pc(a,b){return a.b[(b&a.H)>>>a.g]}function ic(a,b){a.G=!1;a.ha++;b=Pc(a,b).B(b&a.j,b);a.ha--;return b}function Qc(a,b,c){a.G=!1;a.ha++;Pc(a,b).I(b&a.j,c&255,b);a.ha--}function gc(a,b,c){a.G=!1;a.ha++;Pc(a,b).G(b&a.j,c&65535,b);a.ha--}
 function Rc(a){for(var b=0,c=[],d=0;d<a.J;d++){var e=a.b[d];if(e.Sa||e.Ld){c[b++]=d;var f=b++;if(e=e.save()){for(var g=0,k=0,l=[];g<e.length;){for(var m=e[g],n=g+1;n<e.length&&e[n]===m;)n++;l[k++]=n-g;l[k++]=m;g=n}l.length<e.length&&(e=l)}c[f]=e}}return c}function Sc(a){for(var b=Tc,c=0,d=0;d<a.b.length;d++){var e=a.b[d];e.type==b&&(c=e.K+e.Eb)}return c}
 function Uc(a,b,c,d,e,f,g,k,l){for(var m=b==c?-1:0;b<=c;b+=2){var n=b&Vc;if(void 0!==a.Ja[n])return y("I/O address already registered: "+v(b,8,!0)),!1;var r=l||"unknown";r&&0<=m&&(r+=m++);a.Ja[n]=[d,e,f,g,r,k||16,!1]}return!0}
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+function Mb(a,b,c,d){for(var e in c){var f=+e+(d||0),g=c[e];if(!(g[6]&&g[6]>a.f.xa)){var k=g[0]?g[0].bind(b):null,l=g[1]?g[1].bind(b):null,m=g[2]?g[2].bind(b):null,n=g[3]?g[3].bind(b):null;65472<=f&&65487>=f&&(!k&&m&&(k=function(a){return function(b){return a(b)&255}.bind(b)}(m)),!l&&n&&(l=function(a){return function(b,c){return a(b,c)}.bind(b)}(n)));for(var r=g[4],u=g[5]||1,t=0;t<u;t++,f+=2)if(r&&1<u&&(r=g[4]+t),!Uc(a,f,f,k,l,m,n,g[7]||b.fa,r||b.jb))return!1}}return!0}
 function Ob(a,b){a.O.push(b)}h.Ia=function(a,b,c){this.G=!0;this.ha||(this.F&&H(this.F,4)&&I(this.F,"memory fault ("+c+") on "+O(this.F,a),!0,!0),b&&(this.f.R|=b),this.f.ja(4,0,a))};function Wc(a){var b=a.G;a.G=!1;return b}function Lc(a,b,c){y("Memory block error ("+a+": "+v(b)+","+v(c)+")");return!1}var Cc=8192,Vc=Cc-1,Mc=1,Oc=2;
 function Dc(a,b){var c=-1,d=this.controller,e=d.Ja[a],f=b&65535;e?e[0]?c=e[0](f):e[2]&&(c=f&1?e[2](f&-2)>>8:e[2](f)&255):f&1&&(e=d.Ja[a&-2])&&(e[2]?c=e[2](f&-2)>>8:e[0]&&(c=e[0](f)));if(0<=c)return this.f&&H(this.f,16|e[5])&&I(this.f,e[4]+".readByte("+O(this.f,b)+"): "+O(this.f,c),!0,!d.ha),c;d.Ia(b,16,3);c=255;this.f&&H(this.f,16)&&I(this.f,"warning: unconverted read access to byte @"+O(this.f,b)+": "+O(this.f,c),!0,!d.ha);return c}
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@@ -126,12 +126,12 @@ function ce(a){var b=+a.model||1170;Nd.call(this,a,6666667);this.xa=b;this.Pc=a.
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 h.pa=function(a,b,c,d){Nd.prototype.pa.call(this,a,b,c,d);this.oc=b.Ic.bind(b);this.pc=b.Zb.bind(b);this.qc=b.Jc.bind(b);this.rc=b.Ib.bind(b)};h.qa=function(a,b){for(var c=192,d=0;d<this.sc.length;d++){var e=this.sc[d];0>e.Wb&&(e.Wb=c,c+=4)}return Nd.prototype.qa.call(this,a,b)};
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-[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];this.Fa=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];this.Yb=[0,0,0,0,0,0,0,0];this.v=this.j=this.hc=this.V=this.Y=this.i=this.mc=0;this.$a=-1;Yb(this);Qd(this);this.A.error=!1;Nd.prototype.reset.call(this)};function Yb(a){a.S=0;a.Ub=0;a.Vb=0;a.U=0;a.R=0;a.ab=0;a.ya=255;a.Va=0;a.ub=0;a.wb=0;a.Ca=262143;a.ib=0;a.P=0;a.ka=null;a.D&&(fe(a),a.Oc=Sc(a.D))}
+[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];this.Fa=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0];this.Yb=[0,0,0,0,0,0,0,0];this.v=this.j=this.hc=this.V=this.Y=this.i=this.mc=0;this.$a=-1;Yb(this);Qd(this);this.A.error=!1;Nd.prototype.reset.call(this)};function Yb(a){a.S=0;a.Ub=0;a.Vb=0;a.U=0;a.R=0;a.ab=0;a.ya=255;a.Va=0;a.ub=0;a.wb=0;a.Ca=262143;a.ib=a.g[7];a.P=0;a.ka=null;a.D&&(fe(a),a.Oc=Sc(a.D))}
 function fe(a){a.Jb=a.oc;a.Kb=a.pc;a.gc=a.qc;a.Lb=a.rc;a.Rb&&(a.Jb=a.dd,a.Kb=a.jd);a.Sb&&(a.gc=a.nd,a.Lb=a.od);a.Va?(a.Ba=65536,a.hb=a.U&16?4186112:253952,a.ta=a.hd,a.ia=a.Rb?a.Ze:a.Dc,a.sb=a.Sb?a.jg:a.Gc,Kc(a.D,a.U&16?22:18)):(a.Ba=0,a.hb=57344,a.ta=a.Md,a.ia=a.Rb?a.Ye:a.md,a.sb=a.Sb?a.ig:a.rd,Kc(a.D,16))}function ed(a){var b=a.S;b&57344||(b=b&-3199|a.ub<<5|a.wb<<1);return b}
 function fd(a,b){b&=-3073;if(a.S!=b){b&57344&&!(a.S&57344)&&(a.Ub=a.P>>16&65535,a.Vb=a.P&65535);a.S=b;a.ub=(b&96)>>5;a.wb=(b&30)>>1;var c=0;b&257&&(c=4,b&1&&(c|=2));a.Va!=c&&(a.Va=c,fe(a))}}function gd(a){a.S&57344||(a.Ub=a.P>>16&65535);a=a.Ub;a&65280&&(a=(a<<8|a>>8)&65535);return a}function hd(a){a.S&57344||(a.Vb=a.P&65535);return a.Vb}function id(a,b){1170>a.xa&&(b&=-49);a.U!=b&&(a.U=b,a.Ca=b&16?4194303:262143,fe(a))}
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 h.restore=function(a){var b=a[1];this.Za=b[1];Wd(this,b[3]);a:{b=this.D;a=a[2];var c;for(c=0;c<a.length-1;c+=2){var d=a[c],e=a[c+1];if(e&&e.length<b.S){for(var f=0,g=Array(b.S),k=0;k<e.length-1;)for(var l=e[k++],m=e[k++];l--;)g[f++]=m;e=g}f=b.b[d];if(!f||!f.restore(e)){y("Unable to restore memory block "+d);b=!1;break a}}b=!0}return b};function je(a){return a.G&65536?1:0}function ke(a){return a.H&32768?2:0}function le(a){return a.L&65535?0:4}function me(a){return a.J&32768?8:0}
-function ne(a,b){var c=a.g[7];a.g[7]=c+b&65535;return c}function he(a,b){a.g[7]=b&65535}function $c(a,b,c,d){c={Wb:b,eb:c,message:d||0,next:null};c.name=Ab[b];a.sc.push(c);return c}function oe(a,b){var c=a.ka;if(c==b)a.ka=b.next;else for(;c;){var d=c.next;if(d==b){c.next=d.next;break}c=d}a.ka&&(a.i|=1)}
+function ne(a,b){var c=a.g[7];a.g[7]=c+b&65535;return c}function S(a,b,c){c&&(he(a,a.g[7]+(b<<24>>23)),a.b-=2);a.b-=3}function he(a,b){a.g[7]=b&65535}function $c(a,b,c,d){c={Wb:b,eb:c,message:d||0,next:null};c.name=Ab[b];a.sc.push(c);return c}function oe(a,b){var c=a.ka;if(c==b)a.ka=b.next;else for(;c;){var d=c.next;if(d==b){c.next=d.next;break}c=d}a.ka&&(a.i|=1)}
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 function kd(a){return a.w=a.w&63728|me(a)|le(a)|ke(a)|je(a)}function ld(a,b){b&=a.Wc;a.J=b<<12;a.L=~b&4;a.H=b<<14;a.G=b<<16;if((b^a.w)&a.Vc)for(var c=a.oa.length;0<=--c;){var d=a.g[c];a.g[c]=a.oa[c];a.oa[c]=d}a.O=b>>14&3;c=a.w>>14&3;a.O!=c&&(a.X[c]=a.g[6],a.g[6]=a.X[a.O]);a.w=b;a.i&=-3;a.i|=a.ka?2:1}function jd(a,b){if(b&=65024){var c=b>>9;do b+=34;while(c>>=1);a.i|=1}a.ab=b}h.wa=function(a){this.J=this.L=a;this.H=0};h.fb=function(a,b){this.J=this.L=this.G=a;this.H=b||0};
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@@ -146,29 +146,29 @@ h.nd=function(a,b){this.F&&Kd(this.F,a,1);this.qc(a,b)};h.od=function(a,b){this.
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@@ -182,8 +182,8 @@ null!=a.j&&a.j.length&&(b=a.j);for(c=0;c<b.length;c++){for(var d=a,e=b[c],f=d.D,
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@@ -194,7 +194,7 @@ G(this)};h.kd=function(a){if(!this.v){var b=Pd(this.I,"connection");if(b){var c=
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 a||1024<=this.w.length)this.u(this.w),this.w="";10!=a&&(this.w+=String.fromCharCode(a))}Zc(this.f,this.X,1E3/Math.round(this.aa/10));this.g&=-129};var qh="buffer",th={},rh=(th[65392]=[null,null,ph.prototype.xe,ph.prototype.Gf,"RCSR"],th[65394]=[null,null,ph.prototype.we,ph.prototype.Ff,"RBUF"],th[65396]=[null,null,ph.prototype.cf,ph.prototype.lg,"XCSR"],th[65398]=[null,null,ph.prototype.bf,ph.prototype.kg,"XBUF"],th);
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 function Wh(a,b){var c=a.ca*a.Z,d=b/c|0;return d<a.W?(b%=c,a.seek(d,b/a.Z|0,b%a.Z+1)):null}function Xh(a,b,c){for(var d=1,e=0,f=0;d--;){var g=a.read(b,c++);if(0>g)break;e|=g<<f;f+=8}return e}function Yh(a){for(var b="",c=0,d;d=Wh(a,c++);)for(var e=0,f=d.length;e<f;e++)b+=String.fromCharCode(Xh(a,d,e));return btoa(b)}
@@ -224,146 +224,146 @@ h.save=function(){var a=0,b=[];b[a++]=[this.va,this.i,this.W,this.ca,this.Z,this
 h.restore=function(a){var b=0,c="unsupported restore format";if(a&&0<a.length){var d=0,e=a[d++];e&&2<=e.length&&(!this.b.length&&6<=e.length?Rh(this,"local",e[2],e[3],e[4],e[5]):null!=e[1]&&null!=this.i&&e[1]!=this.i&&(c="original checksum ("+e[1]+") differs from current checksum ("+this.i+")",b=-2));for(this.b.length||(b=-1);d<a.length&&0<=b;){var f=0,g=a[d++],k=g[f++],l=g[f++],m=g[f++];if(k>=this.b.length||l>=this.b[k].length||m>=this.b[k][l].length){c="sector (CHS="+k+":"+l+":"+m+") out of range ("+
 b+" changes applied)";b=-1;break}if(this.j){c="unable to modify write-protected disk";b=-1;break}e=g[f++];f=g[f++];g=e+f.length;if(k=this.b[k][l][m]){for(l=k.data.length;l<e;)k.data[l++]=k.pattern;l=0;k.Qa=e;for(k.Ga=f.length;e<g;)k.data[e++]=f[l++];b++}}}0>b&&-2!=b&&this.controller.N("Unable to restore disk '"+this.Ma+": "+c);return b};
 h.toJSON=function(){var a;a=0;for(var b;b=Wh(this,a++);)Zh(b);a=JSON.stringify(this.b,function(a,b){if("file"!=a)return b});a=a.replace(/,"length":512/gm,"").replace(/,"pattern":0/gm,"");a=a.replace(/"(sector|length|data|pattern)":/gm,"$1:");a=a.replace(/,"[^"]*":([0-9]+|true|false)/gm,"");a=a.replace(/(sector|length|data|pattern):/gm,'"$1":');return a=a.replace(/([\]}]),/gm,"$1,\n")};
-function Zh(a){var b=a.data,c=b.length;if(c<<2==a.length){for(var d=c-1,e=b[d],f=0;d--&&b[d]===e;)f++;f++&&(b.length=c-f,a.pattern=e)}}var Qh=0;function R(a){A.call(this,"RK11",a,0,65536);this.G=$h(this,a.autoMount);this.B=0;this.g=Array(8);this.H=!Ma("Mobi")&&window&&"FileReader"in window;this.cb=null;this.L=this.i=this.b=this.w=this.v=this.j=this.J=0}p(R,A);
+function Zh(a){var b=a.data,c=b.length;if(c<<2==a.length){for(var d=c-1,e=b[d],f=0;d--&&b[d]===e;)f++;f++&&(b.length=c-f,a.pattern=e)}}var Qh=0;function R(a){A.call(this,"RK11",a,0,65536);this.G=$h(this,a.autoMount);this.B=0;this.i=Array(8);this.H=!Ma("Mobi")&&window&&"FileReader"in window;this.cb=null;this.L=this.g=this.b=this.w=this.v=this.j=this.J=0}p(R,A);
 function $h(a,b){if(b&&"string"==typeof b)try{b=eval("("+b+")")}catch(c){y(a.type+" auto-mount error: "+c.message+" ("+b+")"),b=null}return b||{}}h=R.prototype;
 h.na=function(a,b,c){var d=this;switch(b){case "listDisks":return this.C[b]=c,c.onchange=function(){var a=d.C.descDisk,b=c.options&&c.options[c.selectedIndex];if(a&&b){var g={};if(b=b.getAttribute("data-value"))try{g=eval("("+b+")")}catch(k){y("RK11 option error: "+k.message)}b=g.desc;void 0===b&&(b="");g=g.href;void 0!==g&&(b='<a href="'+g+'" target="_blank">'+b+"</a>");a.innerHTML=b}},!0;case "descDisk":case "listDrives":return this.C[b]=c,c.onchange=function(){var a=la(c.value,10);null!=a&&ai(d,
-a)},!0;case "loadDisk":return this.C[b]=c,c.onclick=function(){var a=d.C.listDisks;a&&a.options&&ui(d,a.options[a.selectedIndex].text,a.value)},!0;case "bootDisk":return this.C[b]=c,c.onclick=function(){var a,b=d.C.listDrives,b=b&&la(b.value,10);null==b||0>b||b>=d.g.length||!(a=d.g[b])?d.N("Unable to boot the selected drive"):a.ga?(ge(d.f,0,!0),(a=d.Tc(a,0,0,0,512,0,2))&&d.N("Unable to read the boot sector ("+a+")")):d.N("Load a disk into the drive first")},!0;case "saveDisk":if(!this.H){c.parentNode.removeChild(c);
-break}this.C[b]=c;c.onclick=function(){var a=d.C.listDrives;a&&a.options&&d.g&&((a=d.g[la(a.value,10)||0])?(a=a.ga)?(a=Na(Yh(a),a.ec.replace(".json",".img")),y(a)):d.N("No disk loaded in drive."):d.N("No disk drive selected."))};return!0;case "mountDisk":if(this.H)return this.C[b]=c,c.addEventListener("change",function(){var a=c.children[0];a.children[1].disabled=!a.children[0].files.length}),c.onsubmit=function(a){if(a=a.currentTarget[1].files[0]){var b=a.name;ui(d,x(b,!0),b,a)}return!1},!0;c.parentNode.removeChild(c)}return!1};
-h.pa=function(a,b,c,d){this.I=a;this.D=b;this.f=c;this.F=d;if(a=$h(this,Pd(this.I,"autoMount")))for(var e in a)e.substr(0,2)==this.type.substr(0,2)&&(this.G[e]=a[e]);wi(this);this.cb=$c(this.f,144,5,65536);Mb(b,this,xi);Ob(b,this.reset.bind(this));yi(this,"None",zi,!0);this.H&&yi(this,"Local Disk",Ai);yi(this,"Remote Disk",Bi);Ci(this)||G(this)};
-h.qa=function(a,b){if(!b){if(!a||!this.restore){if(this.reset(),this.I.w){for(a=0;a<this.g.length;a++)Di(this,a,!0);Ci(this,!0)}}else if(!this.restore(a))return!1;if(a=this.C.listDrives){for(;a.firstChild;)a.removeChild(a.firstChild);a.value="";for(b=0;8>b;b++){var c=document.createElement("option");c.value=b;c.text="RK"+b;a.appendChild(c)}a.value="0";ai(this,0)}}return!0};h.za=function(a){return a?this.save():!0};h.reset=function(){wi(this)};h.save=function(){return(new ie(this)).data()};
-h.restore=function(a){return wi(this,a[0])};function Ci(a,b){b||(a.B=0);for(var c in a.G){var d=a.G[c],e=d.path||"",f;if(!(f=d.name))a:{if((f=a.C.listDisks)&&f.options)for(var g=0;g<f.options.length;g++){var k=f.options[g];if(k.value==e){f=k.text;break a}}f=x(e,!0)}if(e&&f&&(g=-1,c&&(g=c.charCodeAt(c.length-1)-48,0>g||9<g)&&(g=-1),0<=g&&g<a.g.length)){!Ei(a,g,f,e,!0)&&b&&G(a,!1);continue}a.N("Incorrect auto-mount settings for drive "+c+" ("+JSON.stringify(d)+")")}return!!a.B}
-function ui(a,b,c,d){var e=a.C.listDrives,e=e&&la(e.value,10);if(void 0===e||0>e||e>=a.g.length)a.N("Unable to load the selected drive");else if(c)if(c==Ai)a.N('Use "Choose File" and "Mount" to select and load a local disk.');else{if(c==Bi){c=window.prompt("Enter the URL of a remote disk image.","")||"";if(!c)return;b=x(c);a.status("Attempting to load "+c+' as "'+b+'"')}Ei(a,e,b,c,!1,d)}else Di(a,e)}
-function Ei(a,b,c,d,e,f){var g=-1,k=a.g[b];k.va.toLowerCase()!=d.toLowerCase()&&(g++,Di(a,b,!0),k.pb?a.N("RK11 busy"):(k.pb=!0,e&&(k.ob=!0,a.B++,H(a)&&I(a,"auto-loading disk: "+c)),k.Ta=!!f,Th(new Ph(a,k,"preload"),c,d,f,a.yd)&&g++));return g}
+a)},!0;case "loadDisk":return this.C[b]=c,c.onclick=function(){var a=d.C.listDisks;a&&a.options&&bi(d,a.options[a.selectedIndex].text,a.value)},!0;case "bootDisk":return this.C[b]=c,c.onclick=function(){var a,b=d.C.listDrives,b=b&&la(b.value,10);null==b||0>b||b>=d.i.length||!(a=d.i[b])?d.N("Unable to boot the selected drive"):a.ga?(ge(d.f,0,!0),(a=d.Tc(a,0,0,0,512,0,2))&&d.N("Unable to read the boot sector ("+a+")")):d.N("Load a disk into the drive first")},!0;case "saveDisk":if(!this.H){c.parentNode.removeChild(c);
+break}this.C[b]=c;c.onclick=function(){var a=d.C.listDrives;a&&a.options&&d.i&&((a=d.i[la(a.value,10)||0])?(a=a.ga)?(a=Na(Yh(a),a.ec.replace(".json",".img")),y(a)):d.N("No disk loaded in drive."):d.N("No disk drive selected."))};return!0;case "mountDisk":if(this.H)return this.C[b]=c,c.addEventListener("change",function(){var a=c.children[0];a.children[1].disabled=!a.children[0].files.length}),c.onsubmit=function(a){if(a=a.currentTarget[1].files[0]){var b=a.name;bi(d,x(b,!0),b,a)}return!1},!0;c.parentNode.removeChild(c)}return!1};
+h.pa=function(a,b,c,d){this.I=a;this.D=b;this.f=c;this.F=d;if(a=$h(this,Pd(this.I,"autoMount")))for(var e in a)e.substr(0,2)==this.type.substr(0,2)&&(this.G[e]=a[e]);vi(this);this.cb=$c(this.f,144,5,65536);Mb(b,this,xi);Ob(b,this.reset.bind(this));yi(this,"None",zi,!0);this.H&&yi(this,"Local Disk",Ai);yi(this,"Remote Disk",Bi);Ci(this)||G(this)};
+h.qa=function(a,b){if(!b){if(!a||!this.restore){if(this.reset(),this.I.w){for(a=0;a<this.i.length;a++)Di(this,a,!0);Ci(this,!0)}}else if(!this.restore(a))return!1;if(a=this.C.listDrives){for(;a.firstChild;)a.removeChild(a.firstChild);a.value="";for(b=0;8>b;b++){var c=document.createElement("option");c.value=b;c.text="RK"+b;a.appendChild(c)}a.value="0";ai(this,0)}}return!0};h.za=function(a){return a?this.save():!0};h.reset=function(){vi(this)};h.save=function(){return(new ie(this)).data()};
+h.restore=function(a){return vi(this,a[0])};function Ci(a,b){b||(a.B=0);for(var c in a.G){var d=a.G[c],e=d.path||"",f;if(!(f=d.name))a:{if((f=a.C.listDisks)&&f.options)for(var g=0;g<f.options.length;g++){var k=f.options[g];if(k.value==e){f=k.text;break a}}f=x(e,!0)}if(e&&f&&(g=-1,c&&(g=c.charCodeAt(c.length-1)-48,0>g||9<g)&&(g=-1),0<=g&&g<a.i.length)){!Ei(a,g,f,e,!0)&&b&&G(a,!1);continue}a.N("Incorrect auto-mount settings for drive "+c+" ("+JSON.stringify(d)+")")}return!!a.B}
+function bi(a,b,c,d){var e=a.C.listDrives,e=e&&la(e.value,10);if(void 0===e||0>e||e>=a.i.length)a.N("Unable to load the selected drive");else if(c)if(c==Ai)a.N('Use "Choose File" and "Mount" to select and load a local disk.');else{if(c==Bi){c=window.prompt("Enter the URL of a remote disk image.","")||"";if(!c)return;b=x(c);a.status("Attempting to load "+c+' as "'+b+'"')}Ei(a,e,b,c,!1,d)}else Di(a,e)}
+function Ei(a,b,c,d,e,f){var g=-1,k=a.i[b];k.va.toLowerCase()!=d.toLowerCase()&&(g++,Di(a,b,!0),k.pb?a.N("RK11 busy"):(k.pb=!0,e&&(k.ob=!0,a.B++,H(a)&&I(a,"auto-loading disk: "+c)),k.Ta=!!f,Th(new Ph(a,k,"preload"),c,d,f,a.yd)&&g++));return g}
 h.yd=function(a,b,c,d,e){a.pb=!1;b&&(b.W>a.W||b.ca>a.ca)&&(this.N('Disk "'+c+'" too large for drive '+("RK"+a.qb)),b=null);b?(a.ga=b,a.Ma=c,a.va=d,this.N('Loaded disk "'+c+'" in drive '+("RK"+a.qb),a.ob||e),this.I&&Zd(this.I)):a.Ta=!1;a.ob&&(a.ob=!1,--this.B||G(this));ai(this,a.qb)};
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-function wi(a,b){var c=0;b||(b=[]);a.L=b[c++]||2368;a.i=b[c++]||0;a.b=b[c++]||128;a.w=b[c++]||0;a.v=b[c++]||0;a.j=b[c++]||0;a.J=b[c]||0;for(b=0;b<a.g.length;b++){var d=a.g[b];void 0===d&&(d=a.g[b]={});c=a;d.qb=b;d.name=c.jb;d.pb=d.Ta=!1;d.W=203;d.ca=2;d.Z=12;d.ma=512;d.ac=!0;d.Id=0;d.Gd=0;d.xc=1;d.ad=d.Z;d.Ac=d.ma;d.Nd=0;d.ff=null;d.ga||(d.va="");d.status=2368}return!0}
-h.Tc=function(a,b,c,d,e,f,g,k,l){var m=0;a=a.ga;var n=null,r;a||(m=128,e=0);for(;e;){if(!n){if(b>=a.W){m=64;break}n=a.seek(b,c,d+1);if(!n){m=4096;break}r=0;++d>=a.Z&&(d=0,++c>=a.ca&&(c=0,++b))}var t,u;if(0>(t=a.read(n,r++))||0>(u=a.read(n,r++))){m=32;break}if(!k&&(gc(this.D,ve(this.f,f),t|u<<8),Wc(this.D))){m=1024;break}r>=a.ma&&(n=null);f+=g;e--}return l?l(m,b,c,d,e,f):m};
-h.zd=function(a,b,c,d,e,f,g,k,l){var m=0;a=a.ga;var n=null,r;a||(m=128,e=0);for(;e;){var t=ic(this.D,ve(this.f,f));if(Wc(this.D)){m=1024;break}f+=g;e--;if(!n){if(b>=a.W){m=64;break}n=a.seek(b,c,d+1,!0);if(!n){m=4096;break}r=0;++d>=a.Z&&(d=0,++c>=a.ca&&(c=0,++b))}if(k){if(0>a.read(n,r++)||0>a.read(n,r++)){m=32;break}}else if(!a.write(n,r++,t&255)||!a.write(n,r++,t>>8)){m=32;break}r>=a.ma&&(n=null)}return l?l(m,b,c,d,e,f):m};
-h.xd=function(a,b,c,d,e,f){this.v=f&65535;this.b=this.b&-49|f>>12&48;this.w=65536-e&65535;this.j=this.j&-16|d&15;a&&(this.i=this.i|a|32768,this.b|=49152);return!0};h.Ce=function(){return this.L};h.Lf=function(){};h.De=function(){return this.i};h.Mf=function(){};h.ze=function(){return this.b&61438};
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-this.type+": ERROR: "+q(this.i));a&&(this.b&=-2,this.b|=128,this.b&64&&Yc(this.f,this.cb))}};h.Ee=function(){return this.w};h.Nf=function(a){this.w=a};h.ye=function(){return this.v};h.Hf=function(a){this.v=a};h.Ae=function(){return this.j};h.Jf=function(a){this.j=a};h.Be=function(){return this.J};h.Kf=function(a){this.J=a};
-var zi="",Ai="?",Bi="??",Fi={},xi=(Fi[65280]=[null,null,R.prototype.Ce,R.prototype.Lf,"RKDS"],Fi[65282]=[null,null,R.prototype.De,R.prototype.Mf,"RKER"],Fi[65284]=[null,null,R.prototype.ze,R.prototype.If,"RKCS"],Fi[65286]=[null,null,R.prototype.Ee,R.prototype.Nf,"RKWC"],Fi[65288]=[null,null,R.prototype.ye,R.prototype.Hf,"RKBA"],Fi[65290]=[null,null,R.prototype.Ae,R.prototype.Jf,"RKDA"],Fi[65294]=[null,null,R.prototype.Be,R.prototype.Kf,"RKDB"],Fi);
-function nd(a){A.call(this,"RL11",a,0,131072);this.H=Gi(this,a.autoMount);this.G=0;this.g=Array(4);this.J=!Ma("Mobi")&&window&&"FileReader"in window;this.cb=null;this.b=this.B=this.i=this.j=this.w=this.v=0}p(nd,A);function Gi(a,b){if(b&&"string"==typeof b)try{b=eval("("+b+")")}catch(c){y(a.type+" auto-mount error: "+c.message+" ("+b+")"),b=null}return b||{}}h=nd.prototype;
-h.na=function(a,b,c){var d=this;switch(b){case "listDisks":return this.C[b]=c,c.onchange=function(){var a=d.C.descDisk,b=c.options&&c.options[c.selectedIndex];if(a&&b){var g={};if(b=b.getAttribute("data-value"))try{g=eval("("+b+")")}catch(k){y("RL11 option error: "+k.message)}b=g.desc;void 0===b&&(b="");g=g.href;void 0!==g&&(b='<a href="'+g+'" target="_blank">'+b+"</a>");a.innerHTML=b}},!0;case "descDisk":case "listDrives":return this.C[b]=c,c.onchange=function(){var a=la(c.value,10);null!=a&&Hi(d,
-a)},!0;case "loadDisk":return this.C[b]=c,c.onclick=function(){var a=d.C.listDisks;a&&a.options&&Ii(d,a.options[a.selectedIndex].text,a.value)},!0;case "bootDisk":return this.C[b]=c,c.onclick=function(){var a,b=d.C.listDrives,b=b&&la(b.value,10);null==b||0>b||b>=d.g.length||!(a=d.g[b])?d.N("Unable to boot the selected drive"):a.ga?(ge(d.f,0,!0),(a=d.Uc(a,0,0,0,512,0))&&d.N("Unable to read the boot sector ("+a+")")):d.N("Load a disk into the drive first")},!0;case "saveDisk":if(!this.J){c.parentNode.removeChild(c);
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+function dk(a,b,c,d){var e={},f=a.B[b].$c,g=0,k=null;0<=c&&c<f.length&&(g=f[c][0],k=f[c][1]);k&&(e=a.B[b].da[k],k="."==k.charAt(0)?null:e.l||k);d.push(k);d.push(g);d.push(e.a);d.push(e.c)}function ek(a,b){var c=b.match(/^\s*([A-Z_]?[A-Z0-9_]*)\s*(=?)\s*(.*)$/i);if(c){if(!c[1])return bj(a)||a.u("no variables"),!0;if(!c[2])return bj(a,c[1]);if(!c[3])return delete a.U[c[1]],!0;b=Xi(a,c[3]);return void 0!==b?(a.U[c[1]]=b,!0):!1}a.u("invalid assignment:"+b);return!1}
+function fk(a,b,c){var d=null;if(b=lj(a,b,!0)){var e=ck(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.K-e[1])&&(g=" + "+w(f)),f=e[0]+" ("+O(a,e[1])+")"+g,c&&a.u(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.K)&&(g=" - "+w(f)),f=e[4]+" ("+O(a,e[5])+")"+g,c&&a.u(f),d||(d=f))}else c&&a.u("no symbols")}return d}
+function Gj(a,b){var c;if(b&&"?"==b[1])a.u("register commands:"),a.u("\tr\tdump registers"),a.u("\trm\tdump misc registers"),a.u("\trx [#]\tset flag or register x to [#]");else{var d=!1,e=a.f;null==c&&(c=!0);if(b&&1<b.length){var f=b[1];if("m"==f)d=!0;else{var g=f.indexOf("=");if(0<g)b=f.substr(g+1),f=f.substr(0,g);else if(2<b.length)b=b[2];else{a.u("missing value for "+b[1]);return}g=Xi(a,b);if(void 0===g)return;b=f.toUpperCase();switch(b){case "SP":case "R6":e.g[6]=g&65535;break;case "PC":case "R7":he(e,
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-g&65535;break}a.u("unknown register: "+f);return}L(a.I);a.u("updated registers:")}}a.u(ak(a,d));c&&(a.H=W(e.g[7]),Gj(a,nj(a,a.H)))}}function fk(a,b){b=ua(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.u(c[2]):$i(a,null,c[2].charCodeAt(0)):Wi(a,b,!0)}
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-function Mj(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.u(">> "+b):(a.P&&(a.u("ended assemble at "+nj(a,a.O)),a.H=a.O,a.P=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.S=null;if(qb(a)&&0<b.length){a.P&&(b="a "+nj(a,a.O)+" "+b);var f=!1,g=b.replace(/ +/g," ").split(" ");g[0]=g[0].toLowerCase();if(g&&g.length)for(var k=g[0],l=k.charAt(0),m=1;m<k.length;m++){var n=k.charAt(m);if("?"==l||"r"==l||"a">n||"z"<n){g[0]=k.substr(m);g.unshift(k.substr(0,m));break}}switch(g[0].charAt(0)){case "a":var r=
-kj(a,g[1],!0);if(r)if(a.O=r,void 0===g[2])a.u("begin assemble at "+nj(a,r)),a.P=!0,L(a.I);else{var t;a.u("not supported yet");t=[];if(t.length){for(var u=0;u<t.length;u++)a.Mc(r,t[u],1);a.u(Nj(a,a.O))}}break;case "b":a:{var E=g[0],z=g[1],C=b;if("?"==z)a.u("breakpoint commands:"),a.u("\tbp [#]\tset exec breakpoint at addr #"),a.u("\tbr [#]\tset read breakpoint at addr #"),a.u("\tbw [#]\tset write breakpoint at addr #"),a.u("\tbc [#]\tclear breakpoint at addr #"),a.u("\tbl\tlist all breakpoints"),a.u("\tbn [#]\tbreak after # instruction(s)");
-else{var F=E.charAt(1);if("l"==F){var bb;bb=0+Lj(a,a.g);bb+=Lj(a,a.L);(bb+=Lj(a,a.G))||a.u("no breakpoints")}else if("n"==F)a.Y=Yi(a,z),a.u("break after "+a.Y+" instruction(s)");else if(void 0===z)a.u("missing breakpoint address");else{var V=W();if("*"!=z&&(V=kj(a,z,!0),!V))break a;"c"==F?null==V.K?(cj(a),a.u("all breakpoints cleared")):Jj(a,a.g,V)||Jj(a,a.L,V)||Jj(a,a.G,V)||a.u("breakpoint missing: "+nj(a,V)):null!=V.K&&(mj(a,V,C),"p"==F?a.nb(a.g,V):"r"==F?a.nb(a.L,V):"w"==F?a.nb(a.G,V):a.u("unknown breakpoint command: "+
-F))}}}break;case "c":a.Oa&&(a.Oa.value="");break;case "d":a:{var Bb,Ra=g[0],Fa=g[1],Sa=g[2],Gk=g[3];if("?"==Fa){var Cb="";for(Bb in Hb)a.ka[Bb]&&(Cb&&(Cb+=","),Cb+=Bb);Cb+=",state,symbols";a.u("dump memory commands:");a.u("\tda [a]        dump info for address a");a.u("\tdb [a] [n]    dump n bytes at address a");a.u("\tdw [a] [n]    dump n words at address a");a.u("\tdd [a] [n]    dump n dwords at address a");a.u("\tds [a] [n]    dump n words at address a as JSON");a.u("\tdh [p] [n]    dump n instructions from history position p");
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-Ra;if("dh"==Ra){var ei=Fa,fi=Sa,gi="",hi=0,va=a.R,Ga=a.i;if(Ga.length){var qa=+ei||a.oa,nc=+fi||10;isNaN(qa)?qa=nc:gi="more ";qa>Ga.length&&(a.u("note: only "+Ga.length+" available"),qa=Ga.length);va-=qa;0>va&&(null==Ga[Ga.length-1].K?(qa=va+qa,va=0):va+=Ga.length);var Ne=[];"call"==fi&&(nc=1E5,Ne=["CALL"]);for(void 0!==ei&&a.u(qa+" instructions earlier:");0<nc&&va!=a.R;){var ii=Ga[va++];if(null==ii.K)break;var oc=W(ii.K),Hk=qa--,ji=Nj(a,oc,"history",Hk);(!Ne.length||0<=ji.indexOf(Ne[0]))&&a.u(ji);
-oc.zc&&(va+=oc.zc,nc-=oc.zc,qa-=oc.zc);va>=Ga.length&&(va=0);a.oa=qa;hi++;nc--}}hi||(a.u("no "+gi+"history available"),a.oa=void 0)}else{var fa=kj(a,Fa);if(fa)if("da"==Ra){var Oe=fa.Ha||65535<fa.K,K=we(a.f,fa.K,Oe);a.u(ta("",Oe?12:19)+ma(fa.K,Oe?22:17,3)+"  "+q(fa.K,8));6>K.length?(2<K.length&&(a.u("    OFFSET:             "+ma(K[3],13,3)+"  "+q(K[3],8)),a.u("UNIMAP["+na(K[1])+"]: "+ma(K[2],22,3)+"  "+q(K[2],8))),a.u("  PHYSICAL: "+ma(K[0],22,3)+"  "+q(K[0],8))):(a.u("    OFFSET:             "+ma(K[1],
-13,3)+"  "+q(K[1],8)),a.u("+   "+ik[K[2]]+"PAR"+K[3]+": "+ma(K[4],22,3)+"  "+q(K[4],8)),a.u("&  MMUMASK: "+ma(K[5],22,3)+"  "+q(K[5],8)),a.u("= PHYSICAL: "+ma(K[0],22,3)+"  "+q(K[0],8)))}else{var db=0,Pe="ds"==Ra;if(Sa){if("l"==Sa.charAt(0))Sa=Sa.substr(1)||Gk,db=Yi(a,Sa);else{var ki=kj(a,Sa);ki&&(db=ki.K-fa.K)}0>db&&(db=0);65536<db&&(db=65536)}var Jk=a.ua;fa.ua&&(a.ua=fa.ua);for(var eb="dd"==Ra?4:"db"==Ra?1:2,sd=eb*db||128,Qe=Pe?16:a.ua,Kk=(sd+Qe-1)/Qe|0||1,fb="";Kk--&&0<sd;){for(var gb="",Re="",
-Fa=nj(a,fa),td=Qe,pc=0,qc=0;0<td&&0<sd;){var Eb=1,ud=1==eb?a.Lc(fa,Eb):a.Na(fa,Eb=2),pc=pc|ud<<(qc<<3),qc=qc+Eb;qc==eb&&(Pe?(gb&&(gb+=","),gb+="0x"+v(pc,2*eb)):(gb+=O(a,pc,eb),gb+=1==eb?9==td?"-":" ":"  "),pc=qc=0);td-=Eb;for(sd-=Eb;1==eb&&Eb--;)var Se=ud&255,Re=Re+(32<=Se&&128>Se?String.fromCharCode(Se):"."),ud=ud>>8}fb&&(fb+="\n");fb=Pe?fb+(gb+","):fb+(Fa+":  "+gb+(0==td?" "+Re:""))}fb&&a.u(fb);a.Aa=fa;a.ua=Jk}}}}break;case "e":if("else"==g[0])break;var Fb,Te,Ue,Ve,We=g[0],Xe=g[1];"eb"==We?(Fb=
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-vd,rc,Fb)}}break;case "g":a:{var li=g[1],Lk=b;if(void 0!==li){var Ye=kj(a,li,!0);if(!Ye)break a;mj(a,Ye,Lk);a.nb(a.g,Ye,!0)}Dj(a,!0,c)}break;case "h":a.A.T?(c||a.u("halting"),Bj(a)):rb(a,!0)||c||a.u("already halted");break;case "i":if("if"==g[0]){var Ze;var sc=b.substr(2),sc=ua(sc);Wi(a,sc)?(c||a.u("true: "+sc),Ze=!0):(c||a.u("false: "+sc),Ze=!1);Ze||(d=!1);break}f=!0;break;case "k":var Mk=g[0];if("?"==g[1])a.u("stack trace commands:"),a.u("\tk\tshow frame addresses"),a.u("\tks\tshow symbol information");
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-g[0]){fk(a,b.substr(5));break}var Rk=g[0];if("?"==g[1])a.u("step commands:"),a.u("\tp\tstep over instruction"),a.u("\tpr\tstep over instruction with register update");else{var si="pr"==Rk?1:0,ti=1+si;if(a.J)a.u("step in progress");else{var zd=W(a.f.g[7]),Gb=a.Na(zd);3==Gb||4==Gb||34816==(Gb&65280)||32256==(Gb&65024)||35072==(Gb&65280)?(a.J=ti,lj(zd,2)):2048==(Gb&65024)&&(Nj(a,zd),a.J=ti);a.J?(a.nb(a.g,zd,!0),Dj(a)||(a.I&&Zd(a.I),a.J=0)):gk(a,si?"tr":"t")}}break;case "r":if("reset"==b){a.I&&a.I.reset();
-break}Fj(a,g);break;case "s":a:switch(g[1]){case "base":if(g[2]){var wc=+g[2];if(8==wc||10==wc||16==wc)a.ua=wc;else{a.u("invalid base: "+wc);break}}a.u("default base: "+a.ua);break;case "cs":var xc;void 0!==g[3]&&(xc=+g[3]);switch(g[2]){case "int":a.f.xb=xc;break;case "start":a.f.Ob=xc;break;case "stop":a.f.zb=xc;break;default:a.u("unknown cs option");break a}void 0!==xc&&Rd(a.f);a.u("checksums "+(a.f.A.vb?"enabled":"disabled"));break;case "sp":void 0!==g[2]&&(Wd(a.f,+g[2])||a.u("warning: using 1x multiplier, previous target not reached"));
-a.u("target speed: "+(a.f.gb.toFixed(2)+"Mhz")+" ("+a.f.Ya+"x)");break;default:if(g[1]){a.u("unknown option: "+g[1]);break}case "?":a.u("debugger options:"),a.u("\tbase #\t\tset default base to #"),a.u("\tcs int #\tset checksum cycle interval to #"),a.u("\tcs start #\tset checksum cycle start count to #"),a.u("\tcs stop #\tset checksum cycle stop count to #"),a.u("\tsp #\t\tset speed multiplier to #")}break;case "t":gk(a,g[0],g[1]);break;case "u":Gj(a,g[1],g[2],8);break;case "v":if("var"==g[0]){dk(a,
-b.substr(3))||(d=!1);break}if("ver"==g[0]){a.u("PDPjs version 1.31.0 ("+a.f.xa+",RELEASE"+(yb?",TYPEDARRAYS":",LONGARRAYS")+")");a.u(window?window.navigator.userAgent:"");break}f=!0;break;case "?":if(g[1]){fk(a,b.substr(1));break}var cf="commands:",df;for(df in jk)cf+="\n"+ta(df,9)+jk[df];Je(a)||(cf+="\nnote: history disabled if no exec breakpoints");a.u(cf);break;default:f=!0}f&&(a.u("unknown command: "+b),d=!1)}}catch(vi){a.u("debugger error: "+(vi.stack||vi.message)),d=!1}return d}
-function Ud(a,b,c){b=Ui(a,b,c);for(var d in b)if(!Mj(a,b[+d]))return!1;return!0}
-var jk={"?":"help/print","a [#]":"assemble","b [#]":"breakpoint",c:"clear output","d [#]":"dump memory","e [#]":"edit memory","g [#]":"go [to #]",h:"halt","if":"eval expression","int [#]":"request interrupt",k:"stack trace",ln:"list nearest symbol(s)",m:"messages",p:"step over",print:"print expression",r:"dump/set registers",reset:"reset machine",s:"set options","t [#]":"trace","u [#]":"unassemble","var":"assign variable",ver:"print version"},Pj=".WORD ADC ADCB ADD ASL ASLB ASR ASRB BCC BCS BEQ BGE BGT BHI BIC BICB BIS BISB BIT BITB BLE BLOS BLT BMI BNE BPL BPT BR BVC BVS CCC CLC CLCN CLCV CLCVN CLCVZ CLCZ CLCZN CLN CLR CLRB CLV CLVN CLVZ CLVZN CLZ CLZN CMP CMPB COM COMB DEC DECB INC INCB HALT JMP JSR MARK MFPD MFPI MFPS MOV MOVB MTPD MTPI MTPS NEG NEGB NOP RESET ROL ROLB ROR RORB RTI RTS SBC SBCB SCC SEC SECN SECV SECVN SECVZ SECZ SECZN SEN SEV SEVN SEVZ SEVZN SEZ SEZN SUB SWAB SXT TST TSTB WAIT MUL DIV ASH ASHC XOR SOB EMT TRAP SPL IOT RTT MFPT".split(" "),
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-function kk(a,b,c){A.call(this,"Computer",a,0,33554432);this.A.ea=!1;this.O=null;lk(this,b);this.L=Pd(this,"autoPower",a);this.j=0;this.U=a.busWidth||a.buswidth;this.b=mk;this.H=null;this.R=this.w=this.M=this.B=this.S=!1;this.v=null;this.V=Pd(this,"url")||"";(Math.random()+.1).toString(36);this.g=nk(this);if(this.f=mb("CPU",this.id)){this.F=mb("Debugger",this.id);this.D=new Bc({id:this.kb+".bus",busWidth:this.U},this.f,this.F);var d,e=kb(this.id);if((this.i=mb("Panel",this.id))&&this.i.Oa)for(b=0;b<
+g&65535;break}a.u("unknown register: "+f);return}L(a.I);a.u("updated registers:")}}a.u(bk(a,d));c&&(a.H=W(e.g[7]),Hj(a,oj(a,a.H)))}}function gk(a,b){b=ua(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.u(c[2]):aj(a,null,c[2].charCodeAt(0)):Xi(a,b,!0)}
+function hk(a,b,c){if("?"==c)a.u("trace commands:"),a.u("\tt  [#]\ttrace # instructions"),a.u("\ttr [#]\ttrace # instructions with register updates"),a.u("\ttc [#]\ttrace # cycles"),a.u("note: bn [#] breaks after # instructions without updates");else{var d="t"!=b;c=Zi(a,c,null,!0)||1;var e=0;"tc"==b&&(e=c,c=1);a.sa=b;Oa(c,function(){return sb(a,!0)&&ac(a,e,d,!1)},function(){a.b&&a.b.stop();L(a.I,-1);sb(a,!1)})}}
+function Hj(a,b,c,d){if(b=lj(a,b,!0)){void 0===d&&(d=1);var e=256;if(void 0!==c)if("l"==c.charAt(0))c=Zi(a,c.substr(1)),null!=c&&(d=c);else{d=lj(a,c,!0);if(!d||d.K<b.K)return;e=d.K-b.K;if(256<e){a.u("range too large");return}d=-1}c=0;for(var f;0<e&&d--;){f=rb(a,!1)||a.J?a.w:null;var g=null!=f?"cycles":null,k=ck(a,b),l=b.K;if(k[0]&&d&&(!c&&d||0>k[0].indexOf("+"))){var m=k[0]+":";k[2]&&(m+=" "+k[2]);a.u(m)}k[3]&&(g=k[3],f=null);f=Oj(a,b,g,f);a.u(f);a.H=b;e-=b.K-l;c++}}}
+function Nj(a,b,c){var d=!0;try{b.length&&"end"!=b?c||a.u(">> "+b):(a.P&&(a.u("ended assemble at "+oj(a,a.O)),a.H=a.O,a.P=!1),b="");var e=b.charAt(0);if('"'==e||"'"==e)return!0;a.S=null;if(qb(a)&&0<b.length){a.P&&(b="a "+oj(a,a.O)+" "+b);var f=!1,g=b.replace(/ +/g," ").split(" ");g[0]=g[0].toLowerCase();if(g&&g.length)for(var k=g[0],l=k.charAt(0),m=1;m<k.length;m++){var n=k.charAt(m);if("?"==l||"r"==l||"a">n||"z"<n){g[0]=k.substr(m);g.unshift(k.substr(0,m));break}}switch(g[0].charAt(0)){case "a":var r=
+lj(a,g[1],!0);if(r)if(a.O=r,void 0===g[2])a.u("begin assemble at "+oj(a,r)),a.P=!0,L(a.I);else{var u;a.u("not supported yet");u=[];if(u.length){for(var t=0;t<u.length;t++)a.Mc(r,u[t],1);a.u(Oj(a,a.O))}}break;case "b":a:{var E=g[0],z=g[1],C=b;if("?"==z)a.u("breakpoint commands:"),a.u("\tbp [#]\tset exec breakpoint at addr #"),a.u("\tbr [#]\tset read breakpoint at addr #"),a.u("\tbw [#]\tset write breakpoint at addr #"),a.u("\tbc [#]\tclear breakpoint at addr #"),a.u("\tbl\tlist all breakpoints"),a.u("\tbn [#]\tbreak after # instruction(s)");
+else{var F=E.charAt(1);if("l"==F){var bb;bb=0+Mj(a,a.g);bb+=Mj(a,a.L);(bb+=Mj(a,a.G))||a.u("no breakpoints")}else if("n"==F)a.Y=Zi(a,z),a.u("break after "+a.Y+" instruction(s)");else if(void 0===z)a.u("missing breakpoint address");else{var V=W();if("*"!=z&&(V=lj(a,z,!0),!V))break a;"c"==F?null==V.K?(dj(a),a.u("all breakpoints cleared")):Kj(a,a.g,V)||Kj(a,a.L,V)||Kj(a,a.G,V)||a.u("breakpoint missing: "+oj(a,V)):null!=V.K&&(nj(a,V,C),"p"==F?a.nb(a.g,V):"r"==F?a.nb(a.L,V):"w"==F?a.nb(a.G,V):a.u("unknown breakpoint command: "+
+F))}}}break;case "c":a.Oa&&(a.Oa.value="");break;case "d":a:{var Bb,Ra=g[0],Fa=g[1],Sa=g[2],Hk=g[3];if("?"==Fa){var Cb="";for(Bb in Hb)a.ka[Bb]&&(Cb&&(Cb+=","),Cb+=Bb);Cb+=",state,symbols";a.u("dump memory commands:");a.u("\tda [a]        dump info for address a");a.u("\tdb [a] [n]    dump n bytes at address a");a.u("\tdw [a] [n]    dump n words at address a");a.u("\tdd [a] [n]    dump n dwords at address a");a.u("\tds [a] [n]    dump n words at address a as JSON");a.u("\tdh [p] [n]    dump n instructions from history position p");
+Cb.length&&a.u("dump extension commands:\n\t"+Cb)}else if("state"==Fa){var Ke=ik(a.I,!0);"console"==Sa?console.log(Ke):(a.Oa&&(a.Oa.value=""),Ke&&a.u(Ke))}else if("symbols"==Fa)for(var Le=0;Le<a.B.length;Le++){var Me=a.B[Le],Db;for(Db in Me.da)if("."!=Db.charAt(0)){var ci=Me.da[Db].o;if(void 0!==ci){var di=Me.da[Db].l;di&&(Db=di);a.u(O(a,ci)+" "+Db)}}}else{if("d"==Ra){for(Bb in Hb)if(g[1]==Bb){var ei=a.ka[Bb];ei?(g.shift(),g.shift(),ei(g)):a.u("no dump registered for "+Fa);break a}Fa||(Ra=a.Fa||"dw")}else a.Fa=
+Ra;if("dh"==Ra){var fi=Fa,gi=Sa,hi="",ii=0,va=a.R,Ga=a.i;if(Ga.length){var qa=+fi||a.oa,nc=+gi||10;isNaN(qa)?qa=nc:hi="more ";qa>Ga.length&&(a.u("note: only "+Ga.length+" available"),qa=Ga.length);va-=qa;0>va&&(null==Ga[Ga.length-1].K?(qa=va+qa,va=0):va+=Ga.length);var Ne=[];"call"==gi&&(nc=1E5,Ne=["CALL"]);for(void 0!==fi&&a.u(qa+" instructions earlier:");0<nc&&va!=a.R;){var ji=Ga[va++];if(null==ji.K)break;var oc=W(ji.K),Ik=qa--,ki=Oj(a,oc,"history",Ik);(!Ne.length||0<=ki.indexOf(Ne[0]))&&a.u(ki);
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+h.Y=function(a,b){if(!b){if(!a||!this.restore){if(this.reset(),this.A.i){for(a=0;a<this.f.length;a++)gg(this,a,!0);fg(this,!0)}}else if(!this.restore(a))return!1;if(a=this.j.listDrives){for(;a.firstChild;)a.removeChild(a.firstChild);a.value="";for(b=0;8>b;b++){var c=document.createElement("option");c.value=b;c.text="RK"+b;a.appendChild(c)}a.value="0";Yf(this,0)}}return!0};h.ga=function(a){return a?this.save():!0};h.reset=function(){$f(this)};h.save=function(){return(new Q(this)).data()};
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