From 19d63b4710443082e1e7c92d35c81df6541a1285 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Sun, 18 Dec 2016 15:05:41 -0800
Subject: [PATCH 01/12] I'm Dreaming of White Spaces

---
 modules/pcx86/lib/keyboard.js   |  4 ++--
 modules/shared/es6/component.js |  2 +-
 modules/shared/es6/netlib.js    | 22 +++++++++++-----------
 modules/shared/es6/proclib.js   |  2 +-
 modules/shared/es6/strlib.js    |  4 ++--
 modules/shared/es6/usrlib.js    |  2 +-
 modules/shared/es6/weblib.js    | 14 +++++++-------
 modules/shared/lib/component.js |  2 +-
 modules/shared/lib/sockets.js   |  2 +-
 9 files changed, 27 insertions(+), 27 deletions(-)

diff --git a/modules/pcx86/lib/keyboard.js b/modules/pcx86/lib/keyboard.js
index 2e228bb44b..ee312e2b98 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/shared/es6/component.js b/modules/shared/es6/component.js
index d395e5299a..74f1ad9be0 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/netlib.js b/modules/shared/es6/netlib.js
index 4cb2a89ef0..d369970573 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 aca7c8b584..818a708a42 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 804d9301bf..82264f4e4d 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];
         });
diff --git a/modules/shared/es6/usrlib.js b/modules/shared/es6/usrlib.js
index 1ea251fd1c..d3260b457a 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 cc7f22fd78..c83cc951ea 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/component.js b/modules/shared/lib/component.js
index 07a03b6f42..92b0abe8e0 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 da453401c6..06c16914be 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);
 });

From 15f3053b694def1ba3f344f30f83323abb8e9066 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Wed, 21 Dec 2016 16:07:11 -0800
Subject: [PATCH 02/12] Some notes on ES6 adoption and work-arounds

---
 modules/pdp11/README.md | 82 ++++++++++++++++++++++++++++++++---------
 1 file changed, 65 insertions(+), 17 deletions(-)

diff --git a/modules/pdp11/README.md b/modules/pdp11/README.md
index 8a2703415f..19d96e4758 100644
--- a/modules/pdp11/README.md
+++ b/modules/pdp11/README.md
@@ -9,29 +9,77 @@ 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):
 
-* [defines.js](/modules/pdp11/lib/defines.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)
+* [computer.js](/modules/pdp11/lib/computer.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)
+* [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)
-* [serialport.js](/modules/pdp11/lib/serialport.js)
+* [memory.js](/modules/pdp11/lib/memory.js)
+* [messages.js](/modules/pdp11/lib/messages.js)
+* [panel.js](/modules/pdp11/lib/panel.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
+-------
+
+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.  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 { ... }
+

From aac011d5fab45502da8bc66e88491bfee0dbb76f Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Wed, 21 Dec 2016 16:24:26 -0800
Subject: [PATCH 03/12] Some notes on ES6 adoption and work-arounds

---
 modules/pdp11/README.md      | 19 ++++++++++++++++++-
 modules/shared/es6/README.md | 28 ++++++++++++++++++++++++++++
 modules/shared/lib/README.md |  2 +-
 3 files changed, 47 insertions(+), 2 deletions(-)
 create mode 100644 modules/shared/es6/README.md

diff --git a/modules/pdp11/README.md b/modules/pdp11/README.md
index 19d96e4758..4f8808db74 100644
--- a/modules/pdp11/README.md
+++ b/modules/pdp11/README.md
@@ -60,8 +60,25 @@ or generate both versions and use a loader that detects the browser's capabiliti
 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.  Ultimately, I plan to make PDPjs
+(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.
 
diff --git a/modules/shared/es6/README.md b/modules/shared/es6/README.md
new file mode 100644
index 0000000000..5fdee8d8af
--- /dev/null
+++ b/modules/shared/es6/README.md
@@ -0,0 +1,28 @@
+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.
+
+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** 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/lib/README.md b/modules/shared/lib/README.md
index 5fdee8d8af..4a678495d7 100644
--- a/modules/shared/lib/README.md
+++ b/modules/shared/lib/README.md
@@ -1,4 +1,4 @@
-Shared Sources
+Shared (ES6) Sources
 ===
 
 This folder contains a mix of shared code, with some files used only by Node (server) modules,

From c9764b1727e4ca9237acddb673e9cf1ad352bf06 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Wed, 21 Dec 2016 17:37:01 -0800
Subject: [PATCH 04/12] Fixed assorted inspection errors

---
 modules/pdp11/lib/bus.js       | 2 +-
 modules/pdp11/lib/debugger.js  | 4 ++--
 modules/pdp11/lib/device.js    | 2 ++
 modules/shared/es6/debugger.js | 2 +-
 modules/shared/es6/strlib.js   | 6 +++---
 5 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/modules/pdp11/lib/bus.js b/modules/pdp11/lib/bus.js
index fa7e590e01..cedf26bf78 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++;
diff --git a/modules/pdp11/lib/debugger.js b/modules/pdp11/lib/debugger.js
index 8a9c59f5ff..a5006971a2 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|undefined),
  *      fPhysical:(boolean),
  *      fTemporary:(boolean),
  *      nBase:(number|undefined),
@@ -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/device.js b/modules/pdp11/lib/device.js
index e6e1da0fd5..2d282101f0 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/shared/es6/debugger.js b/modules/shared/es6/debugger.js
index cf6448432b..16308d4e01 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/strlib.js b/modules/shared/es6/strlib.js
index 82264f4e4d..d7192d28dc 100644
--- a/modules/shared/es6/strlib.js
+++ b/modules/shared/es6/strlib.js
@@ -553,9 +553,9 @@ class Str {
      */
     static toASCIICode(b)
     {
-        var s = (b != Str.ASCII.CR && b != Str.ASCII.LF ? Str.aASCIICodes[b] : null);
-        if (s) {
-            s = '<' + s + '>';
+        var s;
+        if (b != Str.ASCII.CR && b != Str.ASCII.LF) {
+            s = '<' + Str.aASCIICodes[b] + '>';
         } else {
             s = String.fromCharCode(b);
         }

From 6570263269df61ae913670a751a498a93515e25f Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Wed, 21 Dec 2016 17:40:02 -0800
Subject: [PATCH 05/12] Fixed assorted inspection errors

---
 modules/shared/es6/README.md       |  6 +++---
 modules/shared/lib/README.md       |  6 +++---
 versions/pdpjs/1.31.0/pdp11-dbg.js | 14 +++++++-------
 versions/pdpjs/1.31.0/pdp11.js     |  4 ++--
 4 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/modules/shared/es6/README.md b/modules/shared/es6/README.md
index 5fdee8d8af..c01780b84f 100644
--- a/modules/shared/es6/README.md
+++ b/modules/shared/es6/README.md
@@ -1,5 +1,5 @@
-Shared Sources
-===
+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.
@@ -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/README.md b/modules/shared/lib/README.md
index 4a678495d7..045f2377e5 100644
--- a/modules/shared/lib/README.md
+++ b/modules/shared/lib/README.md
@@ -1,5 +1,5 @@
-Shared (ES6) Sources
-===
+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/versions/pdpjs/1.31.0/pdp11-dbg.js b/versions/pdpjs/1.31.0/pdp11-dbg.js
index 1b37de24bd..72c840c19f 100644
--- a/versions/pdpjs/1.31.0/pdp11-dbg.js
+++ b/versions/pdpjs/1.31.0/pdp11-dbg.js
@@ -194,8 +194,8 @@ G(this)};h.kd=function(a){if(!this.v){var b=Pd(this.I,"connection");if(b){var c=
 h.qa=function(a,b){if(!b)if(this.kd(this.H),!a||!this.restore)this.reset();else if(!this.restore(a))return!1;return!0};h.za=function(a){return a?this.save():!0};h.reset=function(){sh(this)};h.save=function(){var a=new ie(this);a.set(0,[]);return a.data()};h.restore=function(){return sh(this)};function sh(a){a.G=0;a.b=8192;a.g=128;a.j=[];return!0}
 h.cc=function(a){if("number"==typeof a)this.j.push(a);else if("string"==typeof a)for(var b=0,c,d=0;d<a.length;d++){c=b;b=a.charCodeAt(d);if(10==b){if(13==c)continue;b=13}this.j.push(b)}else this.j=this.j.concat(a);Zc(this.f,this.R,1E3/Math.round(this.S/10));return!0};h.df=function(a){var b=this.b;this.b&=-12289;a&32&&(this.b|=8192);a&256&&(this.b|=4096);b!=this.b&&(this.b|=32768,this.b&32&&Yc(this.f,this.P))};h.xe=function(){var a=this.b&65534;this.b&=-32769;return a};
 h.Gf=function(a){var b=a^this.b;this.b=this.b&-112|a&111;this.O&&b&6&&(b=0,b=this.H?b|(a&4?32:0)|(a&2?320:0):b|(a&4?16:0)|(a&2?1048576:0),this.O.call(this.v,b))};h.we=function(){this.b&=-129;return this.G};h.Ff=function(){};h.cf=function(){return this.g};h.lg=function(a){this.g&128&&(a&64?Yc(this.f,this.L):dd(this.f,this.L));this.g=this.g&-70|a&69};h.bf=function(){return 0};
-h.kg=function(a){a&=255;I(this,"transmitByte("+v(a,2,!0)+")");this.M&&this.M.call(this.v,a);a&=127;if(this.i)if(13==a)this.B=0;else if(8==a)this.i.value=this.i.value.slice(0,-1),0<this.B&&this.B--;else{if(a){var b;b=(b=13!=a&&10!=a?wa[a]:null)?"<"+b+">":String.fromCharCode(a);var c=b.length;32>a&&1==c&&(c=0);9==a&&(a=this.V||8,c=a-this.B%a,this.V&&(b=ta("",c)));this.U&&!this.B&&c&&(b=String.fromCharCode(this.U)+b);this.i.value+=b;this.i.scrollTop=this.i.scrollHeight;this.B+=c}}else if(null!=this.w){if(10==
-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);
+h.kg=function(a){var b=a&255;I(this,"transmitByte("+v(b,2,!0)+")");this.M&&this.M.call(this.v,b);b&=127;if(this.i)if(13==b)this.B=0;else if(8==b)this.i.value=this.i.value.slice(0,-1),0<this.B&&this.B--;else{if(b){a=13!=b&&10!=b?"<"+wa[b]+">":String.fromCharCode(b);var c=a.length;32>b&&1==c&&(c=0);9==b&&(b=this.V||8,c=b-this.B%b,this.V&&(a=ta("",c)));this.U&&!this.B&&c&&(a=String.fromCharCode(this.U)+a);this.i.value+=a;this.i.scrollTop=this.i.scrollHeight;this.B+=c}}else if(null!=this.w){if(10==b||
+1024<=this.w.length)this.u(this.w),this.w="";10!=b&&(this.w+=String.fromCharCode(b))}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);
 Ua(function(){for(var a=D(document,"pdp11","serial"),b=0;b<a.length;b++){var c=a[b],d=B(c),d=new ph(d);nb(d,c)}});function md(a){A.call(this,"PC11",a);this.M=uh(this,a.autoMount);this.g=0;this.S=a.baudReceive||3600;this.B=this.G=this.b=0;this.w=[];this.v=vh;this.i=wh;this.L=this.j="";this.ba=this.La=this.Ka=null;this.P=-1;this.O=!Ma("Mobi")&&window&&"FileReader"in window;this.H=null;this.R=-1;this.J=null}p(md,A);
 function uh(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=md.prototype;
 h.na=function(a,b,c){var d=this,e=wh;switch(b){case "listTapes":return this.C[b]=c,c.onchange=function(){var a=d.C.descTape,b=c.options[c.selectedIndex];if(a&&b){var e={};if(b=b.getAttribute("data-value"))try{e=eval("("+b+")")}catch(l){y("PC11 option error: "+l.message)}b=e.desc;void 0===b&&(b="");e=e.href;void 0!==e&&(b='<a href="'+e+'" target="_blank">'+b+"</a>");a.innerHTML=b}},!0;case "descTape":return this.C[b]=c,!0;case "readTape":e=xh;case "loadTape":return e||(e=yh),this.C[b]=c,c.onclick=
@@ -317,11 +317,11 @@ 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,
 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");
 Cb.length&&a.u("dump extension commands:\n\t"+Cb)}else if("state"==Fa){var Ke=hk(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 bi=Me.da[Db].o;if(void 0!==bi){var ci=Me.da[Db].l;ci&&(Db=ci);a.u(O(a,bi)+" "+Db)}}}else{if("d"==Ra){for(Bb in Hb)if(g[1]==Bb){var di=a.ka[Bb];di?(g.shift(),g.shift(),di(g)):a.u("no dump registered for "+Fa);break a}Fa||(Ra=a.Fa||"dw")}else a.Fa=
 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=
-1,Te=255,Ue=a.Lc,Ve=a.Mc):"e"==We||"ew"==We?(Fb=2,Te=65535,Ue=a.Na,Ve=a.wd):Xe=null;if(null==Xe)a.u("edit memory commands:"),a.u("\teb [a] [...]  edit bytes at address a"),a.u("\tew [a] [...]  edit words at address a");else{var vd=kj(a,Xe);if(vd)for(var wd=2;wd<g.length;wd++){var rc=Wi(a,g[wd]);if(void 0===rc){a.u("unrecognized value: "+g[wd]);break}rc&~Te&&a.u("warning: "+v(rc)+" exceeds "+Fb+"-byte value");a.u("changing "+nj(a,vd)+(H(a,16)?"":" from "+O(a,Ue.call(a,vd),Fb))+" to "+O(a,rc,Fb));Ve.call(a,
-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");
+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||0,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=1,Te=255,Ue=a.Lc,Ve=a.Mc):"e"==We||"ew"==We?(Fb=2,Te=65535,Ue=a.Na,Ve=a.wd):Xe=null;if(null==Xe)a.u("edit memory commands:"),a.u("\teb [a] [...]  edit bytes at address a"),a.u("\tew [a] [...]  edit words at address a");else{var vd=kj(a,Xe);if(vd)for(var wd=2;wd<g.length;wd++){var rc=Wi(a,g[wd]);if(void 0===rc){a.u("unrecognized value: "+g[wd]);break}rc&~Te&&a.u("warning: "+v(rc)+" exceeds "+Fb+"-byte value");a.u("changing "+nj(a,vd)+(H(a,16)?"":" from "+O(a,Ue.call(a,vd),Fb))+" to "+O(a,rc,
+Fb));Ve.call(a,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");
 else{var $e=0,af=W(),tc=W(a.f.g[6]);for(a.u("stack trace for "+nj(a,tc));10>$e;){for(var hb=null,Nk=256;65536>tc.K>>>0;){af.K=a.Na(tc,2);if(null==tc.K||!Nk--)break;if(!(af.K&1)){for(var Ok=a,xd=af,mi=null,uc=xd.K,ni=uc,bf=1;6>=bf&&uc;bf++){if(2<bf){xd.K=uc;var yd=Nj(Ok,xd);if(0<=yd.indexOf("JSR")){var oi=yd.indexOf(" ");if(uc+(yd.indexOf(" ",oi+1)-oi-1)/2==ni){mi=yd;break}}}uc-=2}xd.K=ni;if(hb=mi)break}}if(!hb||null==hb)break;var pi=null;if("ks"==Mk){var qi=hb.match(/[0-9A-F]+$/);qi&&(pi=ek(a,qi[0]))}hb=
 ta(hb,50)+"  ;"+(pi||"stack="+nj(a,tc));a.u(hb);$e++}$e||a.u("no return addresses found")}break;case "l":if("ln"==g[0]){ek(a,g[1],!0);break}f=!0;break;case "m":a:{var Ha,Ia=null,M=g[1];"?"==M&&(M=void 0);if(void 0!==M){var Ta=0;if("all"==M)Ta=1879046143,M=null;else if("on"==M)Ia=!0,M=null;else if("off"==M)Ia=!1,M=null;else{"keys"==M&&(M="key");"kbd"==M&&(M="keyboard");for(Ha in Hb)if(M==Ha){Ta=Hb[Ha];Ia=!!(a.fa&Ta);break}if(!Ta){a.u("unknown message category: "+M);break a}}if(Ta)if("on"==g[2])a.fa|=
 Ta,Ia=!0;else if("off"==g[2]&&(a.fa&=~Ta,Ia=!1,1073741824==Ta)){for(var ri=1E3<=a.M.length?a.M.length-1E3:0;ri<a.M.length;)a.u(a.M[ri++]);a.M=[]}}var Pk=0,vc="";for(Ha in Hb)if(!M||M==Ha){var Qk=!!(a.fa&Hb[Ha]);if(null===Ia||Ia==Qk)vc&&(vc+=","),++Pk%10||(vc+="\n\t"),"key"==Ha&&(Ha="keys"),vc+=Ha}void 0===M&&a.u("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.u((null!==Ia?Ia?"messages on:  ":"messages off: ":"message categories:\n\t")+(vc||"none"));dj(a)}break;case "p":if("print"==
diff --git a/versions/pdpjs/1.31.0/pdp11.js b/versions/pdpjs/1.31.0/pdp11.js
index 61d736eeec..df5442f1ce 100644
--- a/versions/pdpjs/1.31.0/pdp11.js
+++ b/versions/pdpjs/1.31.0/pdp11.js
@@ -178,8 +178,8 @@ h.Bc=function(a){if(!this.h){var b=Bc(this.A,"connection");if(b){var c=b.split("
 h.Y=function(a,b){if(!b)if(this.Bc(this.u),!a||!this.restore)this.reset();else if(!this.restore(a))return!1;return!0};h.ga=function(a){return a?this.save():!0};h.reset=function(){pf(this)};h.save=function(){var a=new R(this);a.set(0,[]);return a.data()};h.restore=function(){return pf(this)};function pf(a){a.o=0;a.a=8192;a.b=128;a.g=[];return!0}
 h.Gb=function(a){if("number"==typeof a)this.g.push(a);else if("string"==typeof a)for(var b=0,c,d=0;d<a.length;d++){c=b;b=a.charCodeAt(d);if(10==b){if(13==c)continue;b=13}this.g.push(b)}else this.g=this.g.concat(a);bc(this.c,this.H,1E3/Math.round(this.I/10));return!0};h.xe=function(a){var b=this.a;this.a&=-12289;a&32&&(this.a|=8192);a&256&&(this.a|=4096);b!=this.a&&(this.a|=32768,this.a&32&&M(this.c,this.G))};h.Sd=function(){var a=this.a&65534;this.a&=-32769;return a};
 h.$e=function(a){var b=a^this.a;this.a=this.a&-112|a&111;this.F&&b&6&&(b=0,b=this.u?b|(a&4?32:0)|(a&2?320:0):b|(a&4?16:0)|(a&2?1048576:0),this.F.call(this.h,b))};h.Rd=function(){this.a&=-129;return this.o};h.Ze=function(){};h.we=function(){return this.b};h.Gf=function(a){if(this.b&128)if(a&64)M(this.c,this.w);else{var b=this.w;b&&ec(this.c,b)}this.b=this.b&-70|a&69};h.ve=function(){return 0};
-h.Ff=function(a){a&=255;this.C&&this.C.call(this.h,a);a&=127;if(this.f)if(13==a)this.m=0;else if(8==a)this.f.value=this.f.value.slice(0,-1),0<this.m&&this.m--;else{if(a){var b;b=(b=13!=a&&10!=a?pa[a]:null)?"<"+b+">":String.fromCharCode(a);var c=b.length;32>a&&1==c&&(c=0);9==a&&(a=this.M||8,c=a-this.m%a,this.M&&(b="                                        ".slice(0,c)));this.K&&!this.m&&c&&(b=String.fromCharCode(this.K)+b);this.f.value+=b;this.f.scrollTop=this.f.scrollHeight;this.m+=c}}else if(null!=
-this.i){if(10==a||1024<=this.i.length)this.U(this.i),this.i="";10!=a&&(this.i+=String.fromCharCode(a))}bc(this.c,this.W,1E3/Math.round(this.da/10));this.b&=-129};var nf="buffer",qf={},of=(qf[65392]=[null,null,Z.prototype.Sd,Z.prototype.$e,"RCSR"],qf[65394]=[null,null,Z.prototype.Rd,Z.prototype.Ze,"RBUF"],qf[65396]=[null,null,Z.prototype.we,Z.prototype.Gf,"XCSR"],qf[65398]=[null,null,Z.prototype.ve,Z.prototype.Ff,"XBUF"],qf);
+h.Ff=function(a){var b=a&255;this.C&&this.C.call(this.h,b);b&=127;if(this.f)if(13==b)this.m=0;else if(8==b)this.f.value=this.f.value.slice(0,-1),0<this.m&&this.m--;else{if(b){a=13!=b&&10!=b?"<"+pa[b]+">":String.fromCharCode(b);var c=a.length;32>b&&1==c&&(c=0);9==b&&(b=this.M||8,c=b-this.m%b,this.M&&(a="                                        ".slice(0,c)));this.K&&!this.m&&c&&(a=String.fromCharCode(this.K)+a);this.f.value+=a;this.f.scrollTop=this.f.scrollHeight;this.m+=c}}else if(null!=this.i){if(10==
+b||1024<=this.i.length)this.U(this.i),this.i="";10!=b&&(this.i+=String.fromCharCode(b))}bc(this.c,this.W,1E3/Math.round(this.da/10));this.b&=-129};var nf="buffer",qf={},of=(qf[65392]=[null,null,Z.prototype.Sd,Z.prototype.$e,"RCSR"],qf[65394]=[null,null,Z.prototype.Rd,Z.prototype.Ze,"RBUF"],qf[65396]=[null,null,Z.prototype.we,Z.prototype.Gf,"XCSR"],qf[65398]=[null,null,Z.prototype.ve,Z.prototype.Ff,"XBUF"],qf);
 Ea(function(){for(var a=F(document,"pdp11","serial"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new Z(d);E(d,c)}});function jc(a){A.call(this,"PC11",a);this.C=rf(this,a.autoMount);this.b=0;this.I=a.baudReceive||3600;this.m=this.o=this.a=0;this.i=[];this.h=sf;this.f=tf;this.w=this.g="";this.N=this.ja=this.ia=null;this.G=-1;this.F=!Ba("Mobi")&&window&&"FileReader"in window;this.u=null;this.H=-1;this.v=null}n(jc,A);
 function rf(a,b){if(b&&"string"==typeof b)try{b=eval("("+b+")")}catch(c){z(a.type+" auto-mount error: "+c.message+" ("+b+")"),b=null}return b||{}}h=jc.prototype;
 h.aa=function(a,b,c){var d=this,e=tf;switch(b){case "listTapes":return this.j[b]=c,c.onchange=function(){var a=d.j.descTape,b=c.options[c.selectedIndex];if(a&&b){var e={};if(b=b.getAttribute("data-value"))try{e=eval("("+b+")")}catch(l){z("PC11 option error: "+l.message)}b=e.desc;void 0===b&&(b="");e=e.href;void 0!==e&&(b='<a href="'+e+'" target="_blank">'+b+"</a>");a.innerHTML=b}},!0;case "descTape":return this.j[b]=c,!0;case "readTape":e=uf;case "loadTape":return e||(e=vf),this.j[b]=c,c.onclick=

From 4a5d548d8f34f75b40b9ae8fc9bf4794897990e6 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Thu, 22 Dec 2016 09:51:32 -0800
Subject: [PATCH 06/12] More documentation

---
 modules/pdp11/lib/bus.js      |  8 ++--
 modules/pdp11/lib/cpustate.js | 90 +++++++++++++++++++++++------------
 2 files changed, 65 insertions(+), 33 deletions(-)

diff --git a/modules/pdp11/lib/bus.js b/modules/pdp11/lib/bus.js
index cedf26bf78..10d12bfdc4 100644
--- a/modules/pdp11/lib/bus.js
+++ b/modules/pdp11/lib/bus.js
@@ -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 afb63dc44c..2061c895f7 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)
      *

From c90f2491dc004b9149e86d7f77dbcb635159857d Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Thu, 22 Dec 2016 09:52:20 -0800
Subject: [PATCH 07/12] More documentation

---
 versions/pdpjs/1.31.0/pdp11-dbg.js | 26 ++++++++++----------
 versions/pdpjs/1.31.0/pdp11.js     | 38 +++++++++++++++---------------
 2 files changed, 32 insertions(+), 32 deletions(-)

diff --git a/versions/pdpjs/1.31.0/pdp11-dbg.js b/versions/pdpjs/1.31.0/pdp11-dbg.js
index 72c840c19f..67e0d3666e 100644
--- a/versions/pdpjs/1.31.0/pdp11-dbg.js
+++ b/versions/pdpjs/1.31.0/pdp11-dbg.js
@@ -126,12 +126,12 @@ function ce(a){var b=+a.model||1170;Nd.call(this,a,6666667);this.xa=b;this.Pc=a.
 ee.bind(this),this.tb=this.Kd,this.Wc=~(1792|(1145>this.xa?2048:0))&65535,this.Vc=1145<=this.xa?2048:0);this.la=0;this.ka=null;this.sc=[];this.A.complete=!1;this.Jb=this.oc=this.dd;this.Kb=this.pc=this.jd;this.gc=this.qc=this.nd;this.Lb=this.rc=this.od;this.Ba=this.hb=this.Rb=this.Sb=0;this.ta=this.hd;this.ia=this.Dc;this.sb=this.Gc;this.Yc=this.Xc=0}p(ce,Nd);h=ce.prototype;
 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)};
 h.reset=function(){this.status("Model "+this.xa);this.A.T&&J(this);this.G=65536;this.H=32768;this.L=65535;this.J=32768;this.w=15;this.g=[0,0,0,0,0,0,0,this.Pc,-1,-2,-3,-4,-5,-6,-7,-8];this.oa=[0,0,0,0,0,0];this.X=[0,0,0,0];this.O=0;this.tc=[4,2,0,1];this.B=[[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],[65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535,65535],[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]];this.M=[[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],[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}
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-255,this.Ea);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){T(this,a,0,sd);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){T(this,a,1,wd);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){T(this,a,1,ud);this.a-=this.h?9:3+(7==this.f?2:0)}],Se=[function(a){T(this,a,0,yd);this.a-=this.h?11:6},function(a){T(this,a,S(this)?1:0,id);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){T(this,a,S(this)?1:0,Ed);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){a=dd(this,a);this.Ea(a<<8);this.a-=this.h?4:3+(7==this.f?
-2:0)}],Ue=[function(a){T(this,a,0,Cd);this.a-=this.h?9+(this.Cb&1):3+(7==this.f?2:0)},function(a){T(this,a,0,Ad);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){T(this,a,0,md);this.a-=this.h?9+(this.Cb&1):3+(7==this.f?2:0)},function(a){T(this,a,0,kd);this.a-=this.h?9:3+(7==this.f?2:0)}];function Nc(a){Ze[a>>12].call(this,a)}
+255,this.Ea);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){U(this,a,0,sd);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){U(this,a,1,wd);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){U(this,a,1,ud);this.a-=this.h?9:3+(7==this.f?2:0)}],Se=[function(a){U(this,a,0,yd);this.a-=this.h?11:6},function(a){U(this,a,S(this)?1:0,id);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){U(this,a,S(this)?1:0,Ed);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){a=dd(this,a);this.Ea(a<<8);this.a-=this.h?4:3+(7==this.f?
+2:0)}],Ue=[function(a){U(this,a,0,Cd);this.a-=this.h?9+(this.Cb&1):3+(7==this.f?2:0)},function(a){U(this,a,0,Ad);this.a-=this.h?9:3+(7==this.f?2:0)},function(a){U(this,a,0,md);this.a-=this.h?9+(this.Cb&1):3+(7==this.f?2:0)},function(a){U(this,a,0,kd);this.a-=this.h?9:3+(7==this.f?2:0)}];function Nc(a){Ze[a>>12].call(this,a)}
 var Ze=[function(a){$e[a>>8&15].call(this,a)},qe,fe,Qd,Md,Od,Hd,function(a){af[a>>8&15].call(this,a)},function(a){bf[a>>8&15].call(this,a)},re,ge,Rd,Nd,Pd,ze,Y],$e=[function(a){cf[a>>4&15].call(this,a)},ce,$d,Sd,Td,Yd,Ud,Wd,oe,oe,Fe,He,Je,function(a){df[a>>6&3].call(this,a)},Y,Y],df=[function(a){a=this.b[7]+((a&63)<<1)&65535;var b=this.V(a|this.qa);Q(this,this.b[5]);this.b[6]=a+2&65535;this.b[5]=b;this.a-=8},function(a){a=Zc(this,a,0);this.ba(a);Uc(this,a);this.a-=11},function(a){var b=Wc(this);this.W=
 this.a;this.ba(b);$c(this,a,0,b);this.a=this.W-se[this.h]},function(a){gd(this,a,Pc(this)?65535:0,this.ba);this.a-=this.h?9:3+(7==this.f?2:0)}],cf=[function(a){ef[a&15].call(this,a)},Y,Y,Y,me,me,me,me,we,function(a){a&8?(this.i&49152||(this.i=this.i&-225|(a&7)<<5,this.g|=1,this.g&=-3),this.a-=5):K(this,8,0,-9)},Le,Ne,Ae,Ae,Ae,Ae],ef=[je,Ce,function(){Vc(this);this.g|=this.i&16;this.a-=13},be,ke,ve,xe,function(){K(this,8,0,-9)},Y,Y,Y,Y,Y,Y,Y,Y],af=[te,te,he,he,Id,Id,Jd,Jd,De,De,Y,Y,Y,Y,ye,ye],bf=[ae,
 Zd,Vd,Xd,de,ee,Kd,Ld,ie,Be,Pe,Re,Te,function(a){ff[a>>6&3].call(this,a)},Y,Y],ff=[Y,function(a){a=Zc(this,a,65536);this.ba(a);Uc(this,a);this.a-=11},function(a){var b=Wc(this);this.W=this.a;this.ba(b);$c(this,a,65536,b);this.a=this.W-se[this.h]},Y];

From f3f729804449cb716674348fc959947942a3b7bd Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Thu, 22 Dec 2016 09:57:16 -0800
Subject: [PATCH 08/12] More documentation corrections

---
 modules/pdp11/lib/bus.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/pdp11/lib/bus.js b/modules/pdp11/lib/bus.js
index 10d12bfdc4..276006ee30 100644
--- a/modules/pdp11/lib/bus.js
+++ b/modules/pdp11/lib/bus.js
@@ -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) {

From 243aa9245cc390b9b694a5525a4953cec368b24f Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Thu, 22 Dec 2016 22:58:35 -0800
Subject: [PATCH 09/12] More PDP-11 documentation additions

---
 modules/pdp11/lib/panel.js         | 2 +-
 modules/shared/es6/strlib.js       | 5 ++++-
 pubs/dec/pdp11/README.md           | 9 +++++++--
 pubs/dec/pdp11/diags/README.md     | 9 +++++++--
 versions/pdpjs/1.31.0/pdp11-dbg.js | 4 ++--
 versions/pdpjs/1.31.0/pdp11.js     | 4 ++--
 6 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/modules/pdp11/lib/panel.js b/modules/pdp11/lib/panel.js
index aab68f7d5b..2169aaaf14 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/shared/es6/strlib.js b/modules/shared/es6/strlib.js
index d7192d28dc..24db0468b5 100644
--- a/modules/shared/es6/strlib.js
+++ b/modules/shared/es6/strlib.js
@@ -555,7 +555,10 @@ class Str {
     {
         var s;
         if (b != Str.ASCII.CR && b != Str.ASCII.LF) {
-            s = '<' + Str.aASCIICodes[b] + '>';
+            s = Str.aASCIICodes[b];
+        }
+        if (s) {
+            s = '<' + s + '>';
         } else {
             s = String.fromCharCode(b);
         }
diff --git a/pubs/dec/pdp11/README.md b/pubs/dec/pdp11/README.md
index 5e9ab70c82..223c9c3a35 100644
--- a/pubs/dec/pdp11/README.md
+++ b/pubs/dec/pdp11/README.md
@@ -39,9 +39,14 @@ directory.  If a PDF was not searchable, it was "OCR'ed" before being archived b
 - [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)
+- [CEKBAD0 11/70 CPU #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7962D-MC_CEKBAD0_1170_CPU_1_May80.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)
+- [CEKBCD0 11/70 CACHE #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-0009D-MC_CEKBCD0_1170_CACHE_1_May80.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)
 - [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.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)
+- [CEMJAD0 11/70 MEM TST (Feb 1979)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7990D-MC_CEMJAD0_1170_MEM_TST_Feb79.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)
 - [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)
 
diff --git a/pubs/dec/pdp11/diags/README.md b/pubs/dec/pdp11/diags/README.md
index a908a5d191..380b8015e1 100644
--- a/pubs/dec/pdp11/diags/README.md
+++ b/pubs/dec/pdp11/diags/README.md
@@ -12,9 +12,14 @@ PDPjs development and testing relied on the following PDP-11 diagnostic publicat
 - [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)
+- [CEKBAD0 11/70 CPU #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7962D-MC_CEKBAD0_1170_CPU_1_May80.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)
+- [CEKBCD0 11/70 CACHE #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-0009D-MC_CEKBCD0_1170_CACHE_1_May80.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)
 - [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.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)
+- [CEMJAD0 11/70 MEM TST (Feb 1979)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7990D-MC_CEMJAD0_1170_MEM_TST_Feb79.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)
 
 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/versions/pdpjs/1.31.0/pdp11-dbg.js b/versions/pdpjs/1.31.0/pdp11-dbg.js
index 67e0d3666e..65a8f9d81d 100644
--- a/versions/pdpjs/1.31.0/pdp11-dbg.js
+++ b/versions/pdpjs/1.31.0/pdp11-dbg.js
@@ -194,8 +194,8 @@ G(this)};h.kd=function(a){if(!this.v){var b=Pd(this.I,"connection");if(b){var c=
 h.qa=function(a,b){if(!b)if(this.kd(this.H),!a||!this.restore)this.reset();else if(!this.restore(a))return!1;return!0};h.za=function(a){return a?this.save():!0};h.reset=function(){sh(this)};h.save=function(){var a=new ie(this);a.set(0,[]);return a.data()};h.restore=function(){return sh(this)};function sh(a){a.G=0;a.b=8192;a.g=128;a.j=[];return!0}
 h.cc=function(a){if("number"==typeof a)this.j.push(a);else if("string"==typeof a)for(var b=0,c,d=0;d<a.length;d++){c=b;b=a.charCodeAt(d);if(10==b){if(13==c)continue;b=13}this.j.push(b)}else this.j=this.j.concat(a);Zc(this.f,this.R,1E3/Math.round(this.S/10));return!0};h.df=function(a){var b=this.b;this.b&=-12289;a&32&&(this.b|=8192);a&256&&(this.b|=4096);b!=this.b&&(this.b|=32768,this.b&32&&Yc(this.f,this.P))};h.xe=function(){var a=this.b&65534;this.b&=-32769;return a};
 h.Gf=function(a){var b=a^this.b;this.b=this.b&-112|a&111;this.O&&b&6&&(b=0,b=this.H?b|(a&4?32:0)|(a&2?320:0):b|(a&4?16:0)|(a&2?1048576:0),this.O.call(this.v,b))};h.we=function(){this.b&=-129;return this.G};h.Ff=function(){};h.cf=function(){return this.g};h.lg=function(a){this.g&128&&(a&64?Yc(this.f,this.L):dd(this.f,this.L));this.g=this.g&-70|a&69};h.bf=function(){return 0};
-h.kg=function(a){var b=a&255;I(this,"transmitByte("+v(b,2,!0)+")");this.M&&this.M.call(this.v,b);b&=127;if(this.i)if(13==b)this.B=0;else if(8==b)this.i.value=this.i.value.slice(0,-1),0<this.B&&this.B--;else{if(b){a=13!=b&&10!=b?"<"+wa[b]+">":String.fromCharCode(b);var c=a.length;32>b&&1==c&&(c=0);9==b&&(b=this.V||8,c=b-this.B%b,this.V&&(a=ta("",c)));this.U&&!this.B&&c&&(a=String.fromCharCode(this.U)+a);this.i.value+=a;this.i.scrollTop=this.i.scrollHeight;this.B+=c}}else if(null!=this.w){if(10==b||
-1024<=this.w.length)this.u(this.w),this.w="";10!=b&&(this.w+=String.fromCharCode(b))}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);
+h.kg=function(a){a&=255;I(this,"transmitByte("+v(a,2,!0)+")");this.M&&this.M.call(this.v,a);a&=127;if(this.i)if(13==a)this.B=0;else if(8==a)this.i.value=this.i.value.slice(0,-1),0<this.B&&this.B--;else{if(a){var b;13!=a&&10!=a&&(b=wa[a]);b=b?"<"+b+">":String.fromCharCode(a);var c=b.length;32>a&&1==c&&(c=0);9==a&&(a=this.V||8,c=a-this.B%a,this.V&&(b=ta("",c)));this.U&&!this.B&&c&&(b=String.fromCharCode(this.U)+b);this.i.value+=b;this.i.scrollTop=this.i.scrollHeight;this.B+=c}}else if(null!=this.w){if(10==
+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);
 Ua(function(){for(var a=D(document,"pdp11","serial"),b=0;b<a.length;b++){var c=a[b],d=B(c),d=new ph(d);nb(d,c)}});function md(a){A.call(this,"PC11",a);this.M=uh(this,a.autoMount);this.g=0;this.S=a.baudReceive||3600;this.B=this.G=this.b=0;this.w=[];this.v=vh;this.i=wh;this.L=this.j="";this.ba=this.La=this.Ka=null;this.P=-1;this.O=!Ma("Mobi")&&window&&"FileReader"in window;this.H=null;this.R=-1;this.J=null}p(md,A);
 function uh(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=md.prototype;
 h.na=function(a,b,c){var d=this,e=wh;switch(b){case "listTapes":return this.C[b]=c,c.onchange=function(){var a=d.C.descTape,b=c.options[c.selectedIndex];if(a&&b){var e={};if(b=b.getAttribute("data-value"))try{e=eval("("+b+")")}catch(l){y("PC11 option error: "+l.message)}b=e.desc;void 0===b&&(b="");e=e.href;void 0!==e&&(b='<a href="'+e+'" target="_blank">'+b+"</a>");a.innerHTML=b}},!0;case "descTape":return this.C[b]=c,!0;case "readTape":e=xh;case "loadTape":return e||(e=yh),this.C[b]=c,c.onclick=
diff --git a/versions/pdpjs/1.31.0/pdp11.js b/versions/pdpjs/1.31.0/pdp11.js
index 3105049b75..328d487755 100644
--- a/versions/pdpjs/1.31.0/pdp11.js
+++ b/versions/pdpjs/1.31.0/pdp11.js
@@ -178,8 +178,8 @@ h.Bc=function(a){if(!this.h){var b=Bc(this.A,"connection");if(b){var c=b.split("
 h.Y=function(a,b){if(!b)if(this.Bc(this.u),!a||!this.restore)this.reset();else if(!this.restore(a))return!1;return!0};h.ga=function(a){return a?this.save():!0};h.reset=function(){pf(this)};h.save=function(){var a=new R(this);a.set(0,[]);return a.data()};h.restore=function(){return pf(this)};function pf(a){a.o=0;a.a=8192;a.b=128;a.g=[];return!0}
 h.Gb=function(a){if("number"==typeof a)this.g.push(a);else if("string"==typeof a)for(var b=0,c,d=0;d<a.length;d++){c=b;b=a.charCodeAt(d);if(10==b){if(13==c)continue;b=13}this.g.push(b)}else this.g=this.g.concat(a);bc(this.c,this.H,1E3/Math.round(this.I/10));return!0};h.xe=function(a){var b=this.a;this.a&=-12289;a&32&&(this.a|=8192);a&256&&(this.a|=4096);b!=this.a&&(this.a|=32768,this.a&32&&M(this.c,this.G))};h.Sd=function(){var a=this.a&65534;this.a&=-32769;return a};
 h.$e=function(a){var b=a^this.a;this.a=this.a&-112|a&111;this.F&&b&6&&(b=0,b=this.u?b|(a&4?32:0)|(a&2?320:0):b|(a&4?16:0)|(a&2?1048576:0),this.F.call(this.h,b))};h.Rd=function(){this.a&=-129;return this.o};h.Ze=function(){};h.we=function(){return this.b};h.Gf=function(a){if(this.b&128)if(a&64)M(this.c,this.w);else{var b=this.w;b&&ec(this.c,b)}this.b=this.b&-70|a&69};h.ve=function(){return 0};
-h.Ff=function(a){var b=a&255;this.C&&this.C.call(this.h,b);b&=127;if(this.f)if(13==b)this.m=0;else if(8==b)this.f.value=this.f.value.slice(0,-1),0<this.m&&this.m--;else{if(b){a=13!=b&&10!=b?"<"+pa[b]+">":String.fromCharCode(b);var c=a.length;32>b&&1==c&&(c=0);9==b&&(b=this.M||8,c=b-this.m%b,this.M&&(a="                                        ".slice(0,c)));this.K&&!this.m&&c&&(a=String.fromCharCode(this.K)+a);this.f.value+=a;this.f.scrollTop=this.f.scrollHeight;this.m+=c}}else if(null!=this.i){if(10==
-b||1024<=this.i.length)this.U(this.i),this.i="";10!=b&&(this.i+=String.fromCharCode(b))}bc(this.c,this.W,1E3/Math.round(this.da/10));this.b&=-129};var nf="buffer",qf={},of=(qf[65392]=[null,null,Z.prototype.Sd,Z.prototype.$e,"RCSR"],qf[65394]=[null,null,Z.prototype.Rd,Z.prototype.Ze,"RBUF"],qf[65396]=[null,null,Z.prototype.we,Z.prototype.Gf,"XCSR"],qf[65398]=[null,null,Z.prototype.ve,Z.prototype.Ff,"XBUF"],qf);
+h.Ff=function(a){a&=255;this.C&&this.C.call(this.h,a);a&=127;if(this.f)if(13==a)this.m=0;else if(8==a)this.f.value=this.f.value.slice(0,-1),0<this.m&&this.m--;else{if(a){var b;13!=a&&10!=a&&(b=pa[a]);b=b?"<"+b+">":String.fromCharCode(a);var c=b.length;32>a&&1==c&&(c=0);9==a&&(a=this.M||8,c=a-this.m%a,this.M&&(b="                                        ".slice(0,c)));this.K&&!this.m&&c&&(b=String.fromCharCode(this.K)+b);this.f.value+=b;this.f.scrollTop=this.f.scrollHeight;this.m+=c}}else if(null!=
+this.i){if(10==a||1024<=this.i.length)this.U(this.i),this.i="";10!=a&&(this.i+=String.fromCharCode(a))}bc(this.c,this.W,1E3/Math.round(this.da/10));this.b&=-129};var nf="buffer",qf={},of=(qf[65392]=[null,null,Z.prototype.Sd,Z.prototype.$e,"RCSR"],qf[65394]=[null,null,Z.prototype.Rd,Z.prototype.Ze,"RBUF"],qf[65396]=[null,null,Z.prototype.we,Z.prototype.Gf,"XCSR"],qf[65398]=[null,null,Z.prototype.ve,Z.prototype.Ff,"XBUF"],qf);
 Ea(function(){for(var a=F(document,"pdp11","serial"),b=0;b<a.length;b++){var c=a[b],d=D(c),d=new Z(d);E(d,c)}});function jc(a){A.call(this,"PC11",a);this.C=rf(this,a.autoMount);this.b=0;this.I=a.baudReceive||3600;this.m=this.o=this.a=0;this.i=[];this.h=sf;this.f=tf;this.w=this.g="";this.N=this.ja=this.ia=null;this.G=-1;this.F=!Ba("Mobi")&&window&&"FileReader"in window;this.u=null;this.H=-1;this.v=null}n(jc,A);
 function rf(a,b){if(b&&"string"==typeof b)try{b=eval("("+b+")")}catch(c){z(a.type+" auto-mount error: "+c.message+" ("+b+")"),b=null}return b||{}}h=jc.prototype;
 h.aa=function(a,b,c){var d=this,e=tf;switch(b){case "listTapes":return this.j[b]=c,c.onchange=function(){var a=d.j.descTape,b=c.options[c.selectedIndex];if(a&&b){var e={};if(b=b.getAttribute("data-value"))try{e=eval("("+b+")")}catch(l){z("PC11 option error: "+l.message)}b=e.desc;void 0===b&&(b="");e=e.href;void 0!==e&&(b='<a href="'+e+'" target="_blank">'+b+"</a>");a.innerHTML=b}},!0;case "descTape":return this.j[b]=c,!0;case "readTape":e=uf;case "loadTape":return e||(e=vf),this.j[b]=c,c.onclick=

From 364ccd773b3c3c6a5ce7a1c0ef68c4e238c61f85 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Fri, 23 Dec 2016 12:51:33 -0800
Subject: [PATCH 10/12] More PDP-11 documentation additions

---
 modules/markout/lib/markout.js |  1 +
 pubs/dec/pdp11/README.md       | 39 ++++++++++++++++++----------------
 pubs/dec/pdp11/diags/README.md | 24 +++++++++++----------
 pubs/dec/pdp11/kw11/README.md  |  3 ++-
 4 files changed, 37 insertions(+), 30 deletions(-)

diff --git a/modules/markout/lib/markout.js b/modules/markout/lib/markout.js
index 3293dfd64c..5fd25b0ef8 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/pubs/dec/pdp11/README.md b/pubs/dec/pdp11/README.md
index 223c9c3a35..d343fb05e9 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/)
 
@@ -36,23 +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/AC-7962D-MC_CEKBAD0_1170_CPU_1_May80.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)
-- [CEKBCD0 11/70 CACHE #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-0009D-MC_CEKBCD0_1170_CACHE_1_May80.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)
-- [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.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)
-- [CEMJAD0 11/70 MEM TST (Feb 1979)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7990D-MC_CEMJAD0_1170_MEM_TST_Feb79.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)
+- [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 380b8015e1..f6289f423c 100644
--- a/pubs/dec/pdp11/diags/README.md
+++ b/pubs/dec/pdp11/diags/README.md
@@ -9,17 +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/AC-7962D-MC_CEKBAD0_1170_CPU_1_May80.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)
-- [CEKBCD0 11/70 CACHE #1 (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-0009D-MC_CEKBCD0_1170_CACHE_1_May80.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)
-- [CEKBEE0 11/70 MEM MGMT (May 1980)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7975E-MC_CEKBEE0_1170_MEM_MGMT_May80.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)
-- [CEMJAD0 11/70 MEM TST (Feb 1979)](http://archive.pcjs.org/pubs/dec/pdp11/diags/AC-7990D-MC_CEMJAD0_1170_MEM_TST_Feb79.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)
+- [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 3db99d266f..e00e13209a 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)]

From 7deebfcbcc3acec527f2e7b72064e4e844209934 Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Fri, 23 Dec 2016 13:15:33 -0800
Subject: [PATCH 11/12] Updated information on 11/70 CPU EXERCISER

---
 apps/pdp11/tapes/diags/README.md | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/apps/pdp11/tapes/diags/README.md b/apps/pdp11/tapes/diags/README.md
index 7d2f6be13a..ab2f40ba57 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 the 11/70 CPU EXERCISER 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

From 0ab16dc60a3d2455e0b0f833fdbec54b9a9fdf4e Mon Sep 17 00:00:00 2001
From: Jeff Parsons <jeff@pcjs.org>
Date: Tue, 27 Dec 2016 13:58:53 -0800
Subject: [PATCH 12/12] Write Check commands issued by the 11/70 CPU EXERCISER
 should operate correctly now

---
 apps/pdp11/tapes/diags/README.md              |   2 +-
 .../1170/panel/debugger/cpuexer/machine.xml   |   2 +-
 modules/pdp11/lib/debugger.js                 |   8 +-
 modules/pdp11/lib/defines.js                  |   4 +-
 modules/pdp11/lib/rk11.js                     | 139 ++++---
 versions/pdpjs/1.31.0/pdp11-dbg.js            | 266 ++++++-------
 versions/pdpjs/1.31.0/pdp11.js                | 350 +++++++++---------
 7 files changed, 380 insertions(+), 391 deletions(-)

diff --git a/apps/pdp11/tapes/diags/README.md b/apps/pdp11/tapes/diags/README.md
index ab2f40ba57..4dfe82df3a 100644
--- a/apps/pdp11/tapes/diags/README.md
+++ b/apps/pdp11/tapes/diags/README.md
@@ -373,7 +373,7 @@ 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 the 11/70 CPU EXERCISER diagnostic has been located and archived
+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)]
diff --git a/devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml b/devices/pdp11/machine/1170/panel/debugger/cpuexer/machine.xml
index 80259b38b8..8268812874 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/pdp11/lib/debugger.js b/modules/pdp11/lib/debugger.js
index a5006971a2..fff05b6ba0 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|undefined),
+ *      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};
     }
 
     /**
diff --git a/modules/pdp11/lib/defines.js b/modules/pdp11/lib/defines.js
index 3d8d940374..29af1a5de3 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/rk11.js b/modules/pdp11/lib/rk11.js
index ea9be5d089..597f64207f 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.
-                 *
-                 * 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
+                 * 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.
                  *
-                 * 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/versions/pdpjs/1.31.0/pdp11-dbg.js b/versions/pdpjs/1.31.0/pdp11-dbg.js
index 65a8f9d81d..714aaef5de 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}
-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],t=g[5]||1,u=0;u<t;u++,f+=2)if(r&&1<t&&(r=g[4]+u),!Uc(a,f,f,k,l,m,n,g[7]||b.fa,r||b.jb))return!1}}return!0}
+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}
 function Ec(a,b,c){var d=!1,e=this.controller,f=e.Ja[a],g=c&65535;if(f)if(f[1])f[1](b,g),d=!0;else{if(f[3]){a=f[2]?f[2](g,!0):0;if(g&1)f[3](a&255|b<<8,g&-2);else f[3](a&-256|b,g);d=!0}}else g&1&&(f=e.Ja[a&-2])&&(f[3]?(g&=-2,a=f[2]?f[2](g,!0):0,f[3](a&255|b<<8,g),d=!0):f[1]&&(f[1](b,g),d=!0));d?this.f&&H(this.f,16|f[5])&&I(this.f,f[4]+".writeByte("+O(this.f,c)+","+O(this.f,b)+")",!0,!e.ha):(e.Ia(c,16,5),this.f&&H(this.f,16)&&I(this.f,"warning: unconverted write access to byte @"+O(this.f,c)+": "+O(this.f,
@@ -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,
 function lh(a){A.call(this,"RAM",a);this.da=this.g=null;this.i=a.addr;this.j=a.size;this.La=a.load;this.Ka=a.exec;this.v=!1;this.b=a.file;this.w=x(this.b);if(this.b){a=this.b;var b=oa(this.w);"json"!=b&&"hex"!=b&&(a=Ca()+"/api/v1/dump?file="+this.b+"&format=bytes&decimal=true");var c=this;Aa(a,null,!0,function(a,b,f){f?(c.N("Unable to load RAM resource (error "+f+": "+a+")"),c.b=null):(ib(c.kb,a,b),(a=Ba(a,b))?(c.g=a.ba,c.da=a.da,null==c.La&&(c.La=a.La),null==c.Ka&&(c.Ka=a.Ka)):c.b=null);mh(c)})}}
 p(lh,A);lh.prototype.pa=function(a,b,c,d){this.D=b;this.f=c;this.F=d;mh(this)};lh.prototype.qa=function(){this.da&&(this.F&&kh(this.F,this.id,this.i,this.j,this.da),delete this.da);return!0};lh.prototype.za=function(){return!0};function mh(a){if(a.D&&(!a.v&&a.j&&(Ic(a.D,a.i,a.j,Tc)?a.v=!0:a.j=0),!qb(a))){if(!a.v)y("No RAM allocated");else if(a.b){if(!a.g||!a.D)return;nh(a,a.g,a.La,a.Ka,a.i)}G(a)}}
 lh.prototype.reset=function(){if(this.v){for(var a=this.D,b=this.i,c=this.j,d=b&a.j,b=b>>>a.g;0<c&&b<a.b.length;){var e=a.b[b],f=c,g=0,k,d=d||0,g=(g||0)&255;void 0===f&&(f=e.size);if(yb&&e.C)for(k=d;f--&&k<e.C.length;k++)e.C[k]=g;else for(k=d;f--&&k<e.size;k++)e.I(d,g,e.K+d);c-=a.i;b++;d=0}this.g&&nh(this,this.g,this.La,this.Ka,this.i,!0)}};
-function nh(a,b,c,d,e,f){var g=!1,k=!1;if(null==c)for(var l=0;l<b.length-1;){var m=b[l]&255|(b[l+1]&255)<<8;if(m)if(m&255){var n=l;if(1!=m){I(a,"invalid signature ("+w(m)+") at offset "+w(n),4096);break}if(l+6>=b.length){I(a,"invalid block at offset "+w(n),4096);break}for(var l=l+2,r=b[l++]&255|(b[l++]&255)<<8,t=b[l++]&255|(b[l++]&255)<<8,m=m+((r&255)+(r>>8)+(t&255)+(t>>8)),u=l,E=r-=6;0<r&&l<b.length;)m+=b[l++]&255,r--;if(r||l>=b.length){I(a,"insufficient data for block at offset "+w(n),4096);break}m+=
-b[l++]&255;if(m&255){I(a,"invalid checksum ("+v(m,2,!0)+") for block at offset "+w(n),4096);break}if(E)for(I(a,"loading "+w(E)+" bytes at "+w(t)+"-"+w(t+E),4096);E--;)Qc(a.D,t++,b[u++]&255);else t&1?g=!0:null==d&&(d=t),null!=d&&I(a,"starting address: "+w(d),4096);k=!0}else l++;else l+=2}if(!k&&(null==c&&(c=e),null!=c)){for(e=0;e<b.length;e++)Qc(a.D,c+e,b[e]);k=!0}if(k){if(null==d||g)J(a.f),f=!1;null!=d&&ge(a.f,d,f)}return k}
+function nh(a,b,c,d,e,f){var g=!1,k=!1;if(null==c)for(var l=0;l<b.length-1;){var m=b[l]&255|(b[l+1]&255)<<8;if(m)if(m&255){var n=l;if(1!=m){I(a,"invalid signature ("+w(m)+") at offset "+w(n),4096);break}if(l+6>=b.length){I(a,"invalid block at offset "+w(n),4096);break}for(var l=l+2,r=b[l++]&255|(b[l++]&255)<<8,u=b[l++]&255|(b[l++]&255)<<8,m=m+((r&255)+(r>>8)+(u&255)+(u>>8)),t=l,E=r-=6;0<r&&l<b.length;)m+=b[l++]&255,r--;if(r||l>=b.length){I(a,"insufficient data for block at offset "+w(n),4096);break}m+=
+b[l++]&255;if(m&255){I(a,"invalid checksum ("+v(m,2,!0)+") for block at offset "+w(n),4096);break}if(E)for(I(a,"loading "+w(E)+" bytes at "+w(u)+"-"+w(u+E),4096);E--;)Qc(a.D,u++,b[t++]&255);else u&1?g=!0:null==d&&(d=u),null!=d&&I(a,"starting address: "+w(d),4096);k=!0}else l++;else l+=2}if(!k&&(null==c&&(c=e),null!=c)){for(e=0;e<b.length;e++)Qc(a.D,c+e,b[e]);k=!0}if(k){if(null==d||g)J(a.f),f=!1;null!=d&&ge(a.f,d,f)}return k}
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@@ -211,12 +211,12 @@ function Mh(a,b,c,d,e,f,g){a.L=b;a.j=c;a.i=d;a.ba=e;a.La=f;a.Ka=g;d==xh?a.J&&nh(
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+function Th(a,b,c,d,e){var f=c;if(a.g)return!0;a.Ma=b;a.va=c;a.ec=x(c);a.g=e;a.w=a.controller;if(d){var g=new FileReader;g.onload=function(){var b=g.result,c,d=b?b.byteLength:0,e=ja[d];if(e){a.W=e[0];a.ca=e[1];a.Z=e[2];a.ma=e[3]||512;c=a.ma>>2;var f=e=0,b=new DataView(b,0,d);a.b=Array(a.W);for(d=0;d<a.b.length;d++)for(var u=a.b[d]=Array(a.ca),t=0;t<u.length;t++)for(var E=u[t]=Array(a.Z),z=0;z<E.length;z++){for(var C=Sh(null,d,t,z+1,a.ma,0),F=C.data,bb=0;bb<c;bb++,f+=4)var V=F[bb]=b.getInt32(f,!0),
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-c+")");if(k.length)if(1==k.length)y(k[0]);else{a.W=k.length;a.ca=k[0].length;a.Z=k[0][0].length;var l=k[0][0][0];a.ma=l&&l.length||512;for(d=c=0;d<a.W;d++)for(f=0;f<a.ca;f++)for(g=0;g<a.Z;g++)if(l=k[d][f][g]){var m=l.length;void 0===m&&(m=l.length=512);var m=m>>2,n=l.pattern;void 0===n&&(n=l.pattern=0);var r=l.data;if(void 0===r){var t=l.bytes;if(void 0!==t&&t.length){for(var u=m<<2,E=t.length;E<u;E++)t[E]=n;Vh(l,t)}else r=[],n=l.pattern=n|n<<8|n<<16|n<<24,l.data=r;delete l.bytes}Sh(l,d,f);for(u=
-0;u<r.length;u++)c=c+r[u]&-1}a.b=k;a.i=c;e=a}else y("Empty disk image: "+a.Ma)}catch(z){y("Disk image error ("+b+"): "+z.message)}}a.g&&(a.g.call(a.w,a.v,e,a.Ma,a.va),a.g=null)}function Sh(a,b,c,d,e,f){a||(a={sector:d,length:e,data:[],pattern:f});a.nh=b;a.oh=c;a.Qa=a.Ga=0;a.Sa=!1;return a}
+c+")");if(k.length)if(1==k.length)y(k[0]);else{a.W=k.length;a.ca=k[0].length;a.Z=k[0][0].length;var l=k[0][0][0];a.ma=l&&l.length||512;for(d=c=0;d<a.W;d++)for(f=0;f<a.ca;f++)for(g=0;g<a.Z;g++)if(l=k[d][f][g]){var m=l.length;void 0===m&&(m=l.length=512);var m=m>>2,n=l.pattern;void 0===n&&(n=l.pattern=0);var r=l.data;if(void 0===r){var u=l.bytes;if(void 0!==u&&u.length){for(var t=m<<2,E=u.length;E<t;E++)u[E]=n;Vh(l,u)}else r=[],n=l.pattern=n|n<<8|n<<16|n<<24,l.data=r;delete l.bytes}Sh(l,d,f);for(t=
+0;t<r.length;t++)c=c+r[t]&-1}a.b=k;a.i=c;e=a}else y("Empty disk image: "+a.Ma)}catch(z){y("Disk image error ("+b+"): "+z.message)}}a.g&&(a.g.call(a.w,a.v,e,a.Ma,a.va),a.g=null)}function Sh(a,b,c,d,e,f){a||(a={sector:d,length:e,data:[],pattern:f});a.nh=b;a.oh=c;a.Qa=a.Ga=0;a.Sa=!1;return a}
 h.seek=function(a,b,c,d,e){d=null;var f=this.v,g=this.b[a];if(g){var k=g[b];if(!k&&f.Hd&&b<f.ca)for(k=g[b]=Array(f.ad),g=0;g<k.length;g++)k[g]=Sh(null,a,b,g+1,f.Ac,0);if(k){for(g=0;g<k.length;g++)if(k[g]&&k[g].sector==c){d=k[g];break}!d&&f.Hd&&9==f.xc&&(d=k[g]=Sh(null,a,b,f.xc,f.Ac,0))}}e&&e(d,!1);return d};function Vh(a,b){for(var c=0,d=a.length>>2,e=Array(d),f=0;f<d;f++)e[f]=b[c]|b[c+1]<<8|b[c+2]<<16|b[c+3]<<24,c+=4;a.data=e}
 h.read=function(a,b){var c=-1;if(a&&b<a.length)var c=a.data,d=b>>2,c=(d<c.length?c[d]:a.pattern)>>((b&3)<<3)&255;return c};h.write=function(a,b,c){if(this.j)return!1;if(b<a.length){if(c!=this.read(a,b,!0)){var d=a.data,e=a.pattern,f=b>>2;b=(b&3)<<3;for(var g=d.length;g<=f;g++)d[g]=e;a.Ga?f<a.Qa?(a.Ga+=a.Qa-f,a.Qa=f):f>=a.Qa+a.Ga&&(a.Ga+=f-(a.Qa+a.Ga)+1):(a.Qa=f,a.Ga=1);d[f]=d[f]&~(255<<b)|c<<b}return!0}return null};
 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)}
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+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);
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+O(a,a.b.rb));break;case Bj:a.b&&yc(a.b)&&(c="SR="+O(a,a.b.Ua,3))}c&&(c+=" ");return c}function bk(a,b){var c,d="";for(c=0;6>c;c++)d+=Z(a,c);d=d+"\n"+(Z(a,6)+Z(a,7));d+=Z(a,rj)+Z(a,sj)+Z(a,uj);d+=ak(a,"T")+ak(a,"N")+ak(a,"Z")+ak(a,"V")+ak(a,"C");b&&(b=d,c=""+(Z(a,vj)+Z(a,wj)),c+=Z(a,xj)+Z(a,yj)+Z(a,tj),c=c+"\n"+(Z(a,Bj)+Z(a,zj)+Z(a,Aj)),d=b+("\n"+c));return d}h.bd=function(a,b){return a[0]>b[0]?1:a[0]<b[0]?-1:0};
+function kh(a,b,c,d,e){var f=[],g;for(g in e){var k=e[g];"number"==typeof k&&(e[g]=k={o:k});var l=k.o,m=k.a;if(void 0!==l){var n=f,l=[l>>>0,g],r=xa(n,l,a.bd);0>r&&n.splice(-(r+1),0,l)}m&&(k.a=m.replace(/''/g,'"'))}a.B.push({uh:b,K:c,Od:d,da:e,$c:f})}function ck(a,b,c){var d=[],e=hj(b)>>>0;for(b=0;b<a.B.length;b++){var f=a.B[b],g=f.K>>>0,k=f.Od;if(e>=g&&e<g+k){e=xa(f.$c,[e-g],a.bd);0<=e?dk(a,b,e,d):c&&(e=~e,dk(a,b,e-1,d),dk(a,b,e,d));break}}return d}
+function dk(a,b,c,d){var e={},f=a.B[b].$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*(.*)$/i);if(c){if(!c[1])return bj(a)||a.u("no variables"),!0;if(!c[2])return bj(a,c[1]);if(!c[3])return delete a.U[c[1]],!0;b=Xi(a,c[3]);return void 0!==b?(a.U[c[1]]=b,!0):!1}a.u("invalid assignment:"+b);return!1}
+function fk(a,b,c){var d=null;if(b=lj(a,b,!0)){var e=ck(a,b,!0);if(e.length){var f,g;e[0]&&(g="",(f=b.K-e[1])&&(g=" + "+w(f)),f=e[0]+" ("+O(a,e[1])+")"+g,c&&a.u(f),d=f);4<e.length&&e[4]&&(g="",(f=e[5]-b.K)&&(g=" - "+w(f)),f=e[4]+" ("+O(a,e[5])+")"+g,c&&a.u(f),d||(d=f))}else c&&a.u("no symbols")}return d}
+function Gj(a,b){var c;if(b&&"?"==b[1])a.u("register commands:"),a.u("\tr\tdump registers"),a.u("\trm\tdump misc registers"),a.u("\trx [#]\tset flag or register x to [#]");else{var d=!1,e=a.f;null==c&&(c=!0);if(b&&1<b.length){var f=b[1];if("m"==f)d=!0;else{var g=f.indexOf("=");if(0<g)b=f.substr(g+1),f=f.substr(0,g);else if(2<b.length)b=b[2];else{a.u("missing value for "+b[1]);return}g=Xi(a,b);if(void 0===g)return;b=f.toUpperCase();switch(b){case "SP":case "R6":e.g[6]=g&65535;break;case "PC":case "R7":he(e,
 g);a.H=W(e.g[7]);break;case "N":e.J=g?32768:0;break;case "Z":e.L=g?0:1;break;case "V":e.H=g?32768:0;break;case "C":e.G=g?65536:0;break;case "PS":ld(e,g);break;case "PI":jd(e,g);break;case "ER":e.R=g;d=!0;break;case "SL":e.ya=g|255;break;case "M0":fd(e,g);d=!0;break;case "M3":id(e,g);d=!0;break;case "AR":a.b&&(d=a.b,kc(d,d.ra=g));d=!0;break;case "DR":a.b&&(d=a.b,fc(d,d.rb=g));d=!0;break;case "SR":if(a.b&&yc(a.b)){lc(a.b,g);d=!0;break}default:if("R"==b.charAt(0)&&(b=+b.charAt(1),0<=b&&6>b)){e.g[b]=
-g&65535;break}a.u("unknown register: "+f);return}L(a.I);a.u("updated registers:")}}a.u(ak(a,d));c&&(a.H=W(e.g[7]),Gj(a,nj(a,a.H)))}}function fk(a,b){b=ua(b);var c=b.match(/^(['"])(.*?)\1$/);c?1<c[2].length?a.u(c[2]):$i(a,null,c[2].charCodeAt(0)):Wi(a,b,!0)}
-function gk(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=Yi(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 Gj(a,b,c,d){if(b=kj(a,b,!0)){void 0===d&&(d=1);var e=256;if(void 0!==c)if("l"==c.charAt(0))c=Yi(a,c.substr(1)),null!=c&&(d=c);else{d=kj(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=bk(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=Nj(a,b,g,f);a.u(f);a.H=b;e-=b.K-l;c++}}}
-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");
-Cb.length&&a.u("dump extension commands:\n\t"+Cb)}else if("state"==Fa){var Ke=hk(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 bi=Me.da[Db].o;if(void 0!==bi){var ci=Me.da[Db].l;ci&&(Db=ci);a.u(O(a,bi)+" "+Db)}}}else{if("d"==Ra){for(Bb in Hb)if(g[1]==Bb){var di=a.ka[Bb];di?(g.shift(),g.shift(),di(g)):a.u("no dump registered for "+Fa);break a}Fa||(Ra=a.Fa||"dw")}else a.Fa=
-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||0,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=1,Te=255,Ue=a.Lc,Ve=a.Mc):"e"==We||"ew"==We?(Fb=2,Te=65535,Ue=a.Na,Ve=a.wd):Xe=null;if(null==Xe)a.u("edit memory commands:"),a.u("\teb [a] [...]  edit bytes at address a"),a.u("\tew [a] [...]  edit words at address a");else{var vd=kj(a,Xe);if(vd)for(var wd=2;wd<g.length;wd++){var rc=Wi(a,g[wd]);if(void 0===rc){a.u("unrecognized value: "+g[wd]);break}rc&~Te&&a.u("warning: "+v(rc)+" exceeds "+Fb+"-byte value");a.u("changing "+nj(a,vd)+(H(a,16)?"":" from "+O(a,Ue.call(a,vd),Fb))+" to "+O(a,rc,
-Fb));Ve.call(a,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");
-else{var $e=0,af=W(),tc=W(a.f.g[6]);for(a.u("stack trace for "+nj(a,tc));10>$e;){for(var hb=null,Nk=256;65536>tc.K>>>0;){af.K=a.Na(tc,2);if(null==tc.K||!Nk--)break;if(!(af.K&1)){for(var Ok=a,xd=af,mi=null,uc=xd.K,ni=uc,bf=1;6>=bf&&uc;bf++){if(2<bf){xd.K=uc;var yd=Nj(Ok,xd);if(0<=yd.indexOf("JSR")){var oi=yd.indexOf(" ");if(uc+(yd.indexOf(" ",oi+1)-oi-1)/2==ni){mi=yd;break}}}uc-=2}xd.K=ni;if(hb=mi)break}}if(!hb||null==hb)break;var pi=null;if("ks"==Mk){var qi=hb.match(/[0-9A-F]+$/);qi&&(pi=ek(a,qi[0]))}hb=
-ta(hb,50)+"  ;"+(pi||"stack="+nj(a,tc));a.u(hb);$e++}$e||a.u("no return addresses found")}break;case "l":if("ln"==g[0]){ek(a,g[1],!0);break}f=!0;break;case "m":a:{var Ha,Ia=null,M=g[1];"?"==M&&(M=void 0);if(void 0!==M){var Ta=0;if("all"==M)Ta=1879046143,M=null;else if("on"==M)Ia=!0,M=null;else if("off"==M)Ia=!1,M=null;else{"keys"==M&&(M="key");"kbd"==M&&(M="keyboard");for(Ha in Hb)if(M==Ha){Ta=Hb[Ha];Ia=!!(a.fa&Ta);break}if(!Ta){a.u("unknown message category: "+M);break a}}if(Ta)if("on"==g[2])a.fa|=
-Ta,Ia=!0;else if("off"==g[2]&&(a.fa&=~Ta,Ia=!1,1073741824==Ta)){for(var ri=1E3<=a.M.length?a.M.length-1E3:0;ri<a.M.length;)a.u(a.M[ri++]);a.M=[]}}var Pk=0,vc="";for(Ha in Hb)if(!M||M==Ha){var Qk=!!(a.fa&Hb[Ha]);if(null===Ia||Ia==Qk)vc&&(vc+=","),++Pk%10||(vc+="\n\t"),"key"==Ha&&(Ha="keys"),vc+=Ha}void 0===M&&a.u("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.u((null!==Ia?Ia?"messages on:  ":"messages off: ":"message categories:\n\t")+(vc||"none"));dj(a)}break;case "p":if("print"==
-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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-Y],3456:[65,Y],3520:[96,Y],35328:[40,Y],35392:[50,Y],35456:[54,Y],35520:[52,Y],35584:[68,Y],35648:[2,Y],35712:[78,Y],35776:[98,Y],35840:[74,Y],35904:[72,Y],35968:[7,Y],36032:[5,Y],36096:[66,Y],36160:[59,Y],36224:[64,Y],36288:[61,Y]},65528:{128:[76,Wj],152:[108,Sj]},65535:{0:[55],1:[99],2:[75],3:[26],4:[109],5:[70],6:[110],7:[111],160:[69],161:[31],162:[41],163:[33],164:[45],165:[36],166:[43],167:[35],168:[38],169:[32],170:[42],171:[34],172:[46],173:[37],174:[44],175:[30],176:[69],177:[80],178:[88],
-179:[82],180:[92],181:[85],182:[90],183:[84],184:[87],185:[81],186:[89],187:[83],188:[93],189:[86],190:[91],191:[79]}},Oj=[0],jj=[58,60,65,96,108,110,100,101,102,103,104,105,59,64],Cj=1E3;Ua(function(){for(var a=D(document,"pdp11","debugger"),b=0;b<a.length;b++){var c=a[b],d=B(c),d=new bj(d);nb(d,c)}});
-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);
+oc.zc&&(va+=oc.zc,nc-=oc.zc,qa-=oc.zc);va>=Ga.length&&(va=0);a.oa=qa;ii++;nc--}}ii||(a.u("no "+hi+"history available"),a.oa=void 0)}else{var fa=lj(a,Fa);if(fa)if("da"==Ra){var Oe=fa.Ha||65535<fa.K,K=we(a.f,fa.K||0,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("+   "+jk[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)||Hk,db=Zi(a,Sa);else{var li=lj(a,Sa);li&&(db=li.K-fa.K)}0>db&&(db=0);65536<db&&(db=65536)}var Kk=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,Lk=(sd+Qe-1)/Qe|0||1,fb="";Lk--&&0<sd;){for(var gb=
+"",Re="",Fa=oj(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=Kk}}}}break;case "e":if("else"==g[0])break;var Fb,Te,Ue,Ve,We=g[0],Xe=g[1];"eb"==
+We?(Fb=1,Te=255,Ue=a.Lc,Ve=a.Mc):"e"==We||"ew"==We?(Fb=2,Te=65535,Ue=a.Na,Ve=a.wd):Xe=null;if(null==Xe)a.u("edit memory commands:"),a.u("\teb [a] [...]  edit bytes at address a"),a.u("\tew [a] [...]  edit words at address a");else{var vd=lj(a,Xe);if(vd)for(var wd=2;wd<g.length;wd++){var rc=Xi(a,g[wd]);if(void 0===rc){a.u("unrecognized value: "+g[wd]);break}rc&~Te&&a.u("warning: "+v(rc)+" exceeds "+Fb+"-byte value");a.u("changing "+oj(a,vd)+(H(a,16)?"":" from "+O(a,Ue.call(a,vd),Fb))+" to "+O(a,rc,
+Fb));Ve.call(a,vd,rc,Fb)}}break;case "g":a:{var mi=g[1],Mk=b;if(void 0!==mi){var Ye=lj(a,mi,!0);if(!Ye)break a;nj(a,Ye,Mk);a.nb(a.g,Ye,!0)}Ej(a,!0,c)}break;case "h":a.A.T?(c||a.u("halting"),Cj(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);Xi(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 Nk=g[0];if("?"==g[1])a.u("stack trace commands:"),a.u("\tk\tshow frame addresses"),a.u("\tks\tshow symbol information");
+else{var $e=0,af=W(),tc=W(a.f.g[6]);for(a.u("stack trace for "+oj(a,tc));10>$e;){for(var hb=null,Ok=256;65536>tc.K>>>0;){af.K=a.Na(tc,2);if(null==tc.K||!Ok--)break;if(!(af.K&1)){for(var Pk=a,xd=af,ni=null,uc=xd.K,oi=uc,bf=1;6>=bf&&uc;bf++){if(2<bf){xd.K=uc;var yd=Oj(Pk,xd);if(0<=yd.indexOf("JSR")){var pi=yd.indexOf(" ");if(uc+(yd.indexOf(" ",pi+1)-pi-1)/2==oi){ni=yd;break}}}uc-=2}xd.K=oi;if(hb=ni)break}}if(!hb||null==hb)break;var qi=null;if("ks"==Nk){var ri=hb.match(/[0-9A-F]+$/);ri&&(qi=fk(a,ri[0]))}hb=
+ta(hb,50)+"  ;"+(qi||"stack="+oj(a,tc));a.u(hb);$e++}$e||a.u("no return addresses found")}break;case "l":if("ln"==g[0]){fk(a,g[1],!0);break}f=!0;break;case "m":a:{var Ha,Ia=null,M=g[1];"?"==M&&(M=void 0);if(void 0!==M){var Ta=0;if("all"==M)Ta=1879046143,M=null;else if("on"==M)Ia=!0,M=null;else if("off"==M)Ia=!1,M=null;else{"keys"==M&&(M="key");"kbd"==M&&(M="keyboard");for(Ha in Hb)if(M==Ha){Ta=Hb[Ha];Ia=!!(a.fa&Ta);break}if(!Ta){a.u("unknown message category: "+M);break a}}if(Ta)if("on"==g[2])a.fa|=
+Ta,Ia=!0;else if("off"==g[2]&&(a.fa&=~Ta,Ia=!1,1073741824==Ta)){for(var si=1E3<=a.M.length?a.M.length-1E3:0;si<a.M.length;)a.u(a.M[si++]);a.M=[]}}var Qk=0,vc="";for(Ha in Hb)if(!M||M==Ha){var Rk=!!(a.fa&Hb[Ha]);if(null===Ia||Ia==Rk)vc&&(vc+=","),++Qk%10||(vc+="\n\t"),"key"==Ha&&(Ha="keys"),vc+=Ha}void 0===M&&a.u("message commands:\n\tm [category] [on|off]\tturn categories on/off");a.u((null!==Ia?Ia?"messages on:  ":"messages off: ":"message categories:\n\t")+(vc||"none"));ej(a)}break;case "p":if("print"==
+g[0]){gk(a,b.substr(5));break}var Sk=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 ti="pr"==Sk?1:0,ui=1+ti;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=ui,mj(zd,2)):2048==(Gb&65024)&&(Oj(a,zd),a.J=ui);a.J?(a.nb(a.g,zd,!0),Ej(a)||(a.I&&Zd(a.I),a.J=0)):hk(a,ti?"tr":"t")}}break;case "r":if("reset"==b){a.I&&a.I.reset();
+break}Gj(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"));
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+this.P=a,f||(this.B=!0,this.b=nk),this.b&&(this.J=new ie(this,"1.31.0"),pk(this.J)?b=null:delete this.J);!b&&this.b&&(b=qk(this))&&(this.B=!0);if(b){var g=this;Aa(b,null,!0,function(a,b,c){c?(g.G=null,g.B=!1,g.N("Unable to load machine state from server (error "+c+(b?": "+ua(b):"")+")")):(g.H=b,g.S=!0);G(g)})}else G(this);this.C.power||(this.L=!0);!c&&this.L&&rk(this,this.Qb)}else y("Unable to find CPU component")}p(lk,A);
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+function zk(a,b){if(Da("There may be a problem with your PDPjs machine.\n\nTo help us diagnose it, click OK to send this PDPjs machine state to http://www.pcjs.org.")){var c=a.g||"";b=b.toString();var d={app:"PDPjs",ver:"1.31.0"};d.url=a.V;d.user=c;d.type="bug";d.data=b;Aa("http://www.pcjs.org/api/v1/report",d,!0)}}
+function ik(a,b,c){var d,e="none";if(a.j)return null;a.j--;var f=new ie(a,"1.31.0"),g=new ie(a,"1.31.0",tk),k=za();g.set(vk,k);f.set(vk,k);f.set(Fk,"1.31.0");f.set(Gk,window?window.location.href:null);f.set(Jk,window?window.navigator.userAgent:"");a.f&&a.f.za&&(c&&J(a.f),d=a.f.za(b,c),"object"===typeof d&&f.set(a.f.id,d),c&&(a.f.A.ea=!1,!1===d&&(e=null)));for(var k=kb(a.id),l=0;l<k.length;l++){var m=k[l];m.A.ea&&(m.za&&(d=m.za(b,c),"object"===typeof d&&f.set(m.id,d)),c&&(m.A.ea=!1,!1===d&&(e=null)))}e&&
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