update CHIM to js-dos v8, update maze to latest

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "iew-site",
-	"version": "0.14.0",
+	"version": "0.14.1",
 	"description": "",
 	"main": "index.js",
 	"scripts": {},

src/assets/_root/chim/js-dos-api.js

@@ -1,348 +0,0 @@
-/*!
- * jQLite JavaScript Library v1.1.1 (http://code.google.com/p/jqlite/)
- * Copyright (c) 2010 Brett Fattori (bfattori@gmail.com)
- * Licensed under the MIT license
- * http://www.opensource.org/licenses/mit-license.php
- *
- * Many thanks to the jQuery team's efforts.  Some code is
- * Copyright (c) 2010, John Resig.  See
- * http://jquery.org/license
- *
- * @author Brett Fattori (bfattori@gmail.com)
- * @author $Author: bfattori $
- * @version $Revision: 145 $
- *
- * Created: 03/29/2010
- * Modified: $Date: 2010-06-21 11:08:14 -0400 (Mon, 21 Jun 2010) $
- */
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-    Module.prototype.preRun = [];
-
-    Module.prototype.postRun = [];
-
-    Module.prototype.totalDependencies = 0;
-
-    Module.prototype.print = function(text) {
-      text = Array.prototype.slice.call(arguments).join(' ');
-      return typeof console !== "undefined" && console !== null ? typeof console.log === "function" ? console.log(text) : void 0 : void 0;
-    };
-
-    Module.prototype.printErr = function(text) {
-      text = Array.prototype.slice.call(arguments).join(' ');
-      return typeof console !== "undefined" && console !== null ? typeof console.error === "function" ? console.error(text) : void 0 : void 0;
-    };
-
-    Module.prototype.setStatus = function(text) {
-      return typeof console !== "undefined" && console !== null ? typeof console.log === "function" ? console.log(text) : void 0 : void 0;
-    };
-
-    Module.prototype.monitorRunDependencies = function(left) {
-      var status;
-      this.totalDependencies = Math.max(this.totalDependencies, left);
-      status = left ? "Preparing... (" + (this.totalDependencies - left) + "/" + this.totalDependencies + ")" : 'All downloads complete.';
-      return this.setStatus(status);
-    };
-
-    return Module;
-
-  })();
-
-}).call(this);
-
-(function() {
-  Dosbox.Mount = (function() {
-    function Mount(module, url, options) {
-      this.module = module;
-      new Dosbox.Xhr(url, {
-        success: (function(_this) {
-          return function(data) {
-            var bytes;
-            bytes = _this._toArray(data);
-            if (_this._mountZip(bytes)) {
-              return options.success();
-            } else {
-              return typeof console !== "undefined" && console !== null ? typeof console.error === "function" ? console.error('Unable to mount', url) : void 0 : void 0;
-            }
-          };
-        })(this),
-        progress: options.progress
-      });
-    }
-
-    Mount.prototype._mountZip = function(bytes) {
-      var buffer, extracted;
-      buffer = this.module._malloc(bytes.length);
-      this.module.HEAPU8.set(bytes, buffer);
-      extracted = this.module.ccall('extract_zip', 'int', ['number', 'number'], [buffer, bytes.length]);
-      this.module._free(buffer);
-      return extracted === 0;
-    };
-
-    Mount.prototype._toArray = function(data) {
-      var arr, i, len;
-      if (typeof data === 'string') {
-        arr = new Array(data.length);
-        i = 0;
-        len = data.length;
-        while (i < len) {
-          arr[i] = data.charCodeAt(i);
-          ++i;
-        }
-        return arr;
-      }
-      return data;
-    };
-
-    return Mount;
-
-  })();
-
-}).call(this);
-
-(function() {
-  Dosbox.UI = (function() {
-    function UI(options) {
-      this.appendCss();
-      this.div = $('#' + (options.id || 'dosbox'));
-      this.wrapper = $('<div class="dosbox-container">');
-      this.canvas = $('<canvas class="dosbox-canvas" oncontextmenu="event.preventDefault()">');
-      this.overlay = $('<div class="dosbox-overlay">');
-      this.loaderMessage = $('<div class="dosbox-loader-message">');
-      this.loader = $('<div class="dosbox-loader">').append($('<div class="st-loader">').append($('<span class="equal">'))).append(this.loaderMessage);
-      this.start = $('<div class="dosbox-start">Click to start');
-      this.div.append(this.wrapper);
-      this.wrapper.append(this.canvas);
-      this.wrapper.append(this.loader);
-      this.wrapper.append(this.overlay);
-      this.overlay.append($('<div class="dosbox-powered">Powered by &nbsp;').append($('<a href="http://js-dos.com">js-dos.com')));
-      this.overlay.append(this.start);
-    }
-
-    UI.prototype.onStart = function(fun) {
-      return this.start.click((function(_this) {
-        return function() {
-          fun();
-          return _this.overlay.hide();
-        };
-      })(this));
-    };
-
-    UI.prototype.appendCss = function() {
-      var head, style;
-      head = document.head || document.getElementsByTagName('head')[0];
-      style = document.createElement('style');
-      style.type = 'text/css';
-      if (style.styleSheet) {
-        style.styleSheet.cssText = this.css;
-      } else {
-        style.appendChild(document.createTextNode(this.css));
-      }
-      return head.appendChild(style);
-    };
-
-    UI.prototype.showLoader = function() {
-      this.loader.show();
-      return this.loaderMessage.html('');
-    };
-
-    UI.prototype.updateMessage = function(message) {
-      return this.loaderMessage.html(message);
-    };
-
-    UI.prototype.hideLoader = function() {
-      return this.loader.hide();
-    };
-
-    UI.prototype.css = '.dosbox-container { position: relative; min-width: 320px; min-height: 200px; } .dosbox-canvas { } .dosbox-overlay, .dosbox-loader { position: absolute; left: 0; right: 0; top: 0; bottom: 0; background-color: #333; } .dosbox-start { text-align: center; position: absolute; left: 0; right: 0; bottom: 50%; color: #f80; font-size: 1.5em; text-decoration: underline; cursor: pointer; } .dosbox-overlay a { color: #f80; } .dosbox-loader { display: none; } .dosbox-powered { position: absolute; right: 1em; bottom: 1em; font-size: 0.8em; color: #9C9C9C; } .dosbox-loader-message { text-align: center; position: absolute; left: 0; right: 0; bottom: 50%; margin: 0 0 -3em 0; box-sizing: border-box; color: #f80; font-size: 1.5em; } @-moz-keyframes loading { 0% { left: 0; } 50% { left: 8.33333em; } 100% { left: 0; } } @-webkit-keyframes loading { 0% { left: 0; } 50% { left: 8.33333em; } 100% { left: 0; } } @keyframes loading { 0% { left: 0; } 50% { left: 8.33333em; } 100% { left: 0; } } .st-loader { width: 10em; height: 2.5em; position: absolute; top: 50%; left: 50%; margin: -1.25em 0 0 -5em; box-sizing: border-box; } .st-loader:before, .st-loader:after { content: ""; display: block; position: absolute; top: 0; bottom: 0; width: 1.25em; box-sizing: border-box; border: 0.25em solid #f80; } .st-loader:before { left: -0.76923em; border-right: 0; } .st-loader:after { right: -0.76923em; border-left: 0; } .st-loader .equal { display: block; position: absolute; top: 50%; margin-top: -0.5em; left: 4.16667em; height: 1em; width: 1.66667em; border: 0.25em solid #f80; box-sizing: border-box; border-width: 0.25em 0; -moz-animation: loading 1.5s infinite ease-in-out; -webkit-animation: loading 1.5s infinite ease-in-out; animation: loading 1.5s infinite ease-in-out; }';
-
-    return UI;
-
-  })();
-
-}).call(this);
-
-(function() {
-  Dosbox.Xhr = (function() {
-    function Xhr(url, options) {
-      var e;
-      this.success = options.success;
-      this.progress = options.progress;
-      if (window.ActiveXObject) {
-        try {
-          this.xhr = new ActiveXObject('Microsoft.XMLHTTP');
-        } catch (error) {
-          e = error;
-          this.xhr = null;
-        }
-      } else {
-        this.xhr = new XMLHttpRequest();
-      }
-      this.xhr.open('GET', url, true);
-      this.xhr.overrideMimeType('text/plain; charset=x-user-defined');
-      this.xhr.addEventListener('progress', (function(_this) {
-        return function(evt) {
-          if (_this.progress) {
-            return _this.progress(evt.total, evt.loaded);
-          }
-        };
-      })(this));
-      this.xhr.onreadystatechange = (function(_this) {
-        return function() {
-          return _this._onReadyStateChange();
-        };
-      })(this);
-      this.xhr.send();
-    }
-
-    Xhr.prototype._onReadyStateChange = function() {
-      if (this.xhr.readyState === 4 && this.success) {
-        return this.success(this.xhr.responseText);
-      }
-    };
-
-    return Xhr;
-
-  })();
-
-}).call(this);

src/assets/_root/webtoys/maze/assets/index-BwPfcn-3.css

@@ -1 +0,0 @@
-:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;font-size:16px}h1{font-size:3.2em;line-height:1.1}h4,h5{margin:1rem 0}pre{font-size:1em;font-family:monospace;font-weight:400;font-style:normal}#app{align-items:center;display:flex;flex-direction:column;flex-wrap:wrap;justify-content:center;margin:0 auto;max-width:800px;position:relative;text-align:center;width:100%}#app-controls-window{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;grid-gap:.5rem;margin-top:.5rem}#app-controls-window>button{grid-column:span 2}#app-controls-window>button:first-child,#app-controls-window>button:last-child{grid-column:2 / span 2}#app-interface-window{display:flex;flex-basis:40%;flex-direction:column;font-size:16px;order:3}#app-inventory-controls{display:flex;flex-direction:row;gap:.5rem;width:100%}#app-inventory-controls select{font-size:16px;width:15rem}#app-maze-window{flex-basis:60%;order:1}#app-modal{background-color:#1b1e1fde;border-radius:4px;left:50%;position:fixed;top:50%;transform:translate(-50%,-50%);visibility:hidden;width:20rem}#app-modal.show{transition:visibility .5s cubic-bezier(.075,.82,.165,1);visibility:visible}#app-modal-button{margin:3rem auto 1rem}#app-text-output{flex-basis:100%;order:2;padding:.5rem;width:95%}#mazeOutput{margin:0}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.vanilla:hover{filter:drop-shadow(0 0 2em #3178c6aa)}.card{padding:2em}.read-the-docs{color:#888}button{background-color:#363c3e;border-radius:8px;border:1px solid transparent;cursor:pointer;font-family:inherit;font-size:1em;font-weight:500;padding:.6em 1.2em;touch-action:manipulation;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (min-width: 30em) and (orientation: landscape){#app{align-items:start;flex-direction:row;justify-content:space-around}#app-interface-window{order:2}#app-text-output{order:3}}

src/assets/_root/webtoys/maze/index.html

@@ -2,15 +2,11 @@
 <html lang="en">
 	<head>
 		<meta charset="UTF-8" />
-		<link rel="icon" href="./favicon.ico" />
+		<link rel="icon" href="/webtoys/maze/favicon.ico" />
 		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
 		<title>Maze of the Minotaur</title>
-		<script
+		<script type="module" crossorigin src="/webtoys/maze/assets/index-Bw4OooWg.js"></script>
-			type="module"
+		<link rel="stylesheet" crossorigin href="/webtoys/maze/assets/index-f4dP9NA-.css">
-			crossorigin
-			src="./assets/index-BR90kO-n.js"
-		></script>
-		<link rel="stylesheet" crossorigin href="./assets/index-BwPfcn-3.css" />
 	</head>
 	<body>
 		<div id="app">

src/assets/scripts/backgroundScroller.js

@@ -0,0 +1,71 @@
+// @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt CC0-1.0
+/****************************************************************************
+ * It's Eric Woodward's Site
+ *
+ * Copyright 2014-2025 Eric Woodward
+ * Source released under CC0 Public Domain License v1.0
+ * https://www.itsericwoodward.com/licenses/cc0/
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ ****************************************************************************/
+
+/**
+ * Execute returned function to add background scrolling
+ */
+export default (actionBox) => {
+    if (!window.Cookies || !actionBox) return;
+
+    // default to no scrolling on devices under 600 px w
+    const isMobile = window.matchMedia(
+        "only screen and (max-width: 600px)"
+    ).matches;
+
+    // add background scrolling
+    const hasScrollToggle =
+        Cookies.get("scrollToggle") === true ||
+        Cookies.get("scrollToggle") === "true" ||
+        (Cookies.get("scrollToggle") === undefined && !isMobile);
+
+    const scrollToggle = document.createElement("div");
+    scrollToggle.innerHTML = [
+        '<label class="toggleSwitch" for="scrollingToggle">',
+        '<div class="toggleSwitch-description">',
+        "Background",
+        "</div>",
+        `<input class="toggleSwitch-checkbox" ${
+            hasScrollToggle ? "checked" : ""
+        } type="checkbox" id="scrollingToggle" />`,
+        '<div class="toggleSwitch-status" data-ts-on="SCROLLING" data-ts-off="STATIC"></div>',
+        "</label>",
+    ].join("\n");
+    scrollToggle.classList.add("js-scrollToggle", "scrollToggle");
+
+    actionBox.append(scrollToggle);
+    actionBox.classList.add("js-actionBox");
+
+    const actionBoxTitle = document.createElement("summary");
+    actionBoxTitle.innerHTML =
+        "<h3 class='actionBox-title'>Settings</h3>";
+    actionBox.append(actionBoxTitle);
+
+    // add toggle event
+    document
+        .getElementById("scrollingToggle")
+        .addEventListener("click", function (e) {
+            const theList =
+                document.getElementById("gridContainer").classList;
+
+            theList.toggle("js-isAnimated");
+            Cookies.set(
+                "scrollToggle",
+                !!theList.contains("js-isAnimated")
+            );
+        });
+
+    // add class if active at startup
+    if (hasScrollToggle)
+        document
+            .getElementById("gridContainer")
+            .classList.add("js-isAnimated");
+
+};
+// @license-end

src/assets/scripts/lib/js-dos/test/audio-node.js

@@ -0,0 +1,113 @@
+"use strict";
+exports.__esModule = true;
+exports.audioNode = void 0;
+var SamplesQueue = /** @class */ (function () {
+    function SamplesQueue() {
+        this.samplesQueue = [];
+    }
+    SamplesQueue.prototype.push = function (samples) {
+        this.samplesQueue.push(samples);
+    };
+    SamplesQueue.prototype.length = function () {
+        var total = 0;
+        for (var _i = 0, _a = this.samplesQueue; _i < _a.length; _i++) {
+            var next = _a[_i];
+            total += next.length;
+        }
+        return total;
+    };
+    SamplesQueue.prototype.writeTo = function (dst, bufferSize) {
+        var writeIt = 0;
+        while (this.samplesQueue.length > 0) {
+            var src = this.samplesQueue[0];
+            var toRead = Math.min(bufferSize - writeIt, src.length);
+            if (toRead === src.length) {
+                dst.set(src, writeIt);
+                this.samplesQueue.shift();
+            }
+            else {
+                dst.set(src.slice(0, toRead), writeIt);
+                this.samplesQueue[0] = src.slice(toRead);
+            }
+            writeIt += toRead;
+            if (writeIt === bufferSize) {
+                break;
+            }
+        }
+        if (writeIt < bufferSize) {
+            dst.fill(0, writeIt);
+        }
+    };
+    return SamplesQueue;
+}());
+function audioNode(ci) {
+    var sampleRate = ci.soundFrequency();
+    var channels = 1;
+    if (sampleRate === 0) {
+        console.warn("Can't create audio node with sampleRate === 0, ingnoring");
+        return;
+    }
+    var audioContext = null;
+    if (typeof AudioContext !== "undefined") {
+        audioContext = new AudioContext({
+            sampleRate: sampleRate,
+            latencyHint: "interactive"
+        });
+    }
+    else if (typeof window.webkitAudioContext !== "undefined") {
+        // eslint-disable-next-line new-cap
+        audioContext = new window.webkitAudioContext({
+            sampleRate: sampleRate,
+            latencyHint: "interactive"
+        });
+    }
+    if (audioContext == null) {
+        return;
+    }
+    var samplesQueue = new SamplesQueue();
+    var bufferSize = 2048;
+    var preBufferSize = 2048;
+    ci.events().onSoundPush(function (samples) {
+        if (samplesQueue.length() < bufferSize * 2 + preBufferSize) {
+            samplesQueue.push(samples);
+        }
+    });
+    var audioNode = audioContext.createScriptProcessor(bufferSize, 0, channels);
+    var started = false;
+    var active = 0;
+    var onQueueProcess = function (event) {
+        var numFrames = event.outputBuffer.length;
+        var numChannels = event.outputBuffer.numberOfChannels;
+        var samplesCount = samplesQueue.length();
+        if (!started) {
+            started = samplesCount >= preBufferSize;
+        }
+        if (!started) {
+            return;
+        }
+        for (var channel = 0; channel < numChannels; channel++) {
+            var channelData = event.outputBuffer.getChannelData(channel);
+            samplesQueue.writeTo(channelData, numFrames);
+        }
+    };
+    audioNode.onaudioprocess = onQueueProcess;
+    audioNode.connect(audioContext.destination);
+    var resumeWebAudio = function () {
+        if (audioContext !== null && audioContext.state === "suspended") {
+            audioContext.resume();
+        }
+    };
+    document.addEventListener("click", resumeWebAudio, { once: true });
+    document.addEventListener("touchstart", resumeWebAudio, { once: true });
+    document.addEventListener("keydown", resumeWebAudio, { once: true });
+    ci.events().onExit(function () {
+        if (audioContext !== null) {
+            audioNode.disconnect();
+            audioContext.close();
+        }
+        document.removeEventListener("click", resumeWebAudio);
+        document.removeEventListener("touchstart", resumeWebAudio);
+        document.removeEventListener("keydown", resumeWebAudio);
+    });
+}
+exports.audioNode = audioNode;

src/assets/scripts/lib/js-dos/test/dhry2-node.js

@@ -0,0 +1,85 @@
+const fs = require("fs");
+require("../emulators");
+
+const backend = process.argv[2] === "x" ? "dosboxXNode" : "dosboxNode";
+const emulators = global.emulators;
+emulators.pathPrefix = "./";
+
+const bundle = fs.readFileSync("dhry2.jsdos");
+let startedAt = null;
+let runStartedAt = Date.now();
+let prevNonSkippableSleepCount = 0;
+let prevSleepCount = 0;
+let prevCycles = 0;
+const medianVax = [];
+const medianCycles = [];
+const medianNonSkippableSleepCount = [];
+const medianSleepCount = [];
+const sortFn = (a, b) => a - b;
+
+console.log("Dhrystone 2 Test for " + backend);
+emulators[backend](bundle)
+    .then((ci) => {
+        ci.events().onStdout((message) => {
+            if (!message.startsWith("dhry2:")) {
+                return;
+            }
+
+            if (startedAt === null) {
+                startedAt = Date.now();
+            }
+
+            const [_, runs, delta, vax] = message.split(" ");
+            console.log("dhry2: " + runs + " runs, browser time " + delta + " ms, " +
+                "VAX rating " + vax);
+            ci.asyncifyStats().then((stats) => {
+                const dt = Date.now() - runStartedAt;
+                const nonSkippableSleepCount = stats.nonSkippableSleepCount - prevNonSkippableSleepCount;
+                const sleepCount = stats.sleepCount - prevSleepCount;
+                const cycles = stats.cycles - prevCycles;
+                prevNonSkippableSleepCount = stats.nonSkippableSleepCount;
+                prevSleepCount = stats.sleepCount;
+                prevCycles = stats.cycles;
+                runStartedAt = Date.now();
+                medianNonSkippableSleepCount.push(nonSkippableSleepCount * 1000 / dt);
+                medianSleepCount.push(sleepCount * 1000 / dt);
+                medianCycles.push(cycles / dt);
+                console.log("dhry2: sleep p/sec: " + Math.round(sleepCount * 1000 / dt) +
+                    " , non skippable p/sec: " + Math.round(nonSkippableSleepCount * 1000 / dt) +
+                    " , avg cycles p/ms: " + Math.round(cycles / dt));
+            });
+            medianVax.push(vax);
+            if (runs === "320000") {
+                const executionTimeSec = (Date.now() - startedAt) / 1000;
+                medianVax.sort(sortFn);
+                medianNonSkippableSleepCount.sort(sortFn);
+                medianSleepCount.sort(sortFn);
+                medianCycles.sort(sortFn);
+
+                console.log("Time:", Math.round(executionTimeSec * 10) / 10, "sec",
+                    "RpS:", Math.round((runs - 1000) / executionTimeSec),
+                    "Med VAX:", medianVax[Math.round(medianVax.length / 2)]);
+
+                ci.asyncifyStats().then((stats) => {
+                    console.log("Message sent:", stats.messageSent,
+                        "(frame", stats.messageFrame + ")",
+                        "(sound", stats.messageSound + ")");
+                    console.log("Message recv:", stats.messageReceived);
+
+                    console.log("Sleep count:", stats.sleepCount);
+                    console.log("Sleep time:", Math.round(stats.sleepTime / 1000 * 10) / 10, "sec");
+                    console.log("Avg sleep:", stats.sleepTime / stats.sleepCount, "ms");
+                    console.log("Med non skippable sleep p/sec: ",
+                        Math.round(medianNonSkippableSleepCount[Math.round(medianNonSkippableSleepCount.length / 2)]));
+                    console.log("Med sleep p/sec:",
+                        Math.round(medianSleepCount[Math.round(medianSleepCount.length / 2)]));
+                    console.log("Med cycles p/ms:",
+                        Math.round(medianCycles[Math.round(medianCycles.length / 2)]));
+
+                    // properly exit
+                    ci.exit();
+                });
+            }
+        });
+    })
+    .catch(console.error);

src/assets/scripts/lib/js-dos/test/dhry2.html

@@ -0,0 +1,135 @@
+<!doctype html>
+<html>
+
+<head>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <style>
+        html,
+        body {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+        }
+    </style>
+    <script src="../emulators.js"></script>
+</head>
+
+<body>
+    <div>
+        <button onClick="javascript:downloadBundleAndRun({worker: true, x: false})">dosboxWorker</button>
+        <button onClick="javascript:downloadBundleAndRun({worker: false, x: false})">dosboxDirect</button>
+        <button onClick="javascript:downloadBundleAndRun({worker: true, x: true})">xWorker</button>
+        <button onClick="javascript:downloadBundleAndRun({worker: false, x: true})">xDirect</button>
+        <pre id="stdout"></pre>
+    </div>
+
+    <script>
+        emulators.pathPrefix = "../";
+
+        let runId = 0;
+        async function runBundle(bundle, options) {
+            const id = runId++;
+            const stdout = document.getElementById("stdout");
+
+            // promise is resolved when emulator is started
+            const ci = await (options.worker ?
+                (options.x ? emulators.dosboxXWorker(bundle) : emulators.dosboxWorker(bundle)) :
+                (options.x ? emulators.dosboxXDirect(bundle) : emulators.dosDirect(bundle)));
+
+
+            let startedAt = null;
+            let runStartedAt = Date.now();
+            let prevNonSkippableSleepCount = 0;
+            let prevSleepCount = 0;
+            let prevCycles = 0;
+            const medianVax = [];
+            const medianCycles = [];
+            const medianNonSkippableSleepCount = [];
+            const medianSleepCount = [];
+            const sortFn = (a, b) => a - b;
+            ci.events().onStdout((message) => {
+                if (!message.startsWith("dhry2:")) {
+                    return;
+                }
+
+                if (startedAt === null) {
+                    startedAt = Date.now();
+                }
+
+                const [_, runs, delta, vax] = message.split(" ");
+                stdout.innerHTML += (id) + ": " + runs + " runs, browser time " + delta + " ms, " +
+                    "VAX rating " + vax + "\n";
+                ci.asyncifyStats().then((stats) => {
+                const dt = Date.now() - runStartedAt;
+                const nonSkippableSleepCount = stats.nonSkippableSleepCount - prevNonSkippableSleepCount;
+                const sleepCount = stats.sleepCount - prevSleepCount;
+                const cycles = stats.cycles - prevCycles;
+                prevNonSkippableSleepCount = stats.nonSkippableSleepCount;
+                prevSleepCount = stats.sleepCount;
+                prevCycles = stats.cycles;
+                runStartedAt = Date.now();
+                medianNonSkippableSleepCount.push(nonSkippableSleepCount * 1000 / dt);
+                medianSleepCount.push(sleepCount * 1000 / dt);
+                medianCycles.push(cycles / dt);
+                    stdout.innerHTML += (id) + ": sleep p/sec: " + Math.round(sleepCount * 1000 /dt) + 
+                        " , non skippable p/sec: " + Math.round(nonSkippableSleepCount * 1000 / dt) +
+                        " , avg cycles p/ms: " + Math.round(cycles / dt) + "\n";
+                });
+                medianVax.push(vax);
+                if (runs === "320000") {
+                    const executionTimeSec = (Date.now() - startedAt) / 1000;
+                    medianVax.sort(sortFn);
+                    medianNonSkippableSleepCount.sort(sortFn);
+                    medianSleepCount.sort(sortFn);
+                    medianCycles.sort(sortFn);
+
+                    stdout.innerHTML += (id) +
+                        ": Time: " + Math.round(executionTimeSec * 10) / 10 + " sec" +
+                        " RpS: " + Math.round((runs - 1000) / executionTimeSec) +
+                        " Med VAX: " + medianVax[medianVax.length / 2] + "\n";
+
+                    ci.asyncifyStats().then((stats) => {
+                        const dt = Date.now() - startedAt;
+                        stdout.innerHTML += (id) + ": Message sent: " + stats.messageSent +
+                            "(frame " + stats.messageFrame + ") " +
+                            "(sound " + stats.messageSound + ")\n";
+                        stdout.innerHTML += (id) + ": Message recv: " + stats.messageReceived + "\n";
+                        stdout.innerHTML += (id) + ": Sleep count: " + stats.sleepCount + "\n";
+                        stdout.innerHTML += (id) + ": Sleep time: " + Math.round(stats.sleepTime / 1000 * 10) / 10 + "sec\n";
+                        stdout.innerHTML += (id) + ": Avg sleep time: " + stats.sleepTime / stats.sleepCount + "ms\n";
+                        stdout.innerHTML += (id) + ": Med non skippable sleep p/sec: " +
+                            Math.round(medianNonSkippableSleepCount[Math.round(medianNonSkippableSleepCount.length / 2)]) + "\n";
+                        stdout.innerHTML += (id) + ": Med sleep p/sec: " +
+                            Math.round(medianSleepCount[Math.round(medianSleepCount.length / 2)]) + "\n";
+                        stdout.innerHTML += (id) + ": Med cycles p/ms: " + 
+                            Math.round(medianCycles[Math.round(medianCycles.length / 2)]) + "\n";
+
+                        //properly exit
+                        ci.exit();
+                    });
+                }
+            });
+        }
+
+        function downloadBundleAndRun(options) {
+            const bundleUrl = "dhry2.jsdos";
+
+            // we need to download bundle, emulators accept only Uint8Array
+            const xhr = new XMLHttpRequest();
+            xhr.open("GET", bundleUrl, true);
+            xhr.overrideMimeType("text/plain; charset=x-user-defined");
+            xhr.responseType = "arraybuffer";
+            xhr.onreadystatechange = () => {
+                if (xhr.readyState === 4 && xhr.status === 200) {
+                    // do not forget to create Uint8Array, 
+                    // arraybuffer will not work!
+                    runBundle(new Uint8Array(xhr.response), options);
+                }
+            };
+            xhr.send();
+        };
+    </script>
+</body>
+
+</html>

src/assets/scripts/lib/js-dos/test/mocha.css

@@ -0,0 +1,325 @@
+@charset "utf-8";
+
+body {
+  margin:0;
+}
+
+#mocha {
+  font: 20px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif;
+  margin: 60px 50px;
+}
+
+#mocha ul,
+#mocha li {
+  margin: 0;
+  padding: 0;
+}
+
+#mocha ul {
+  list-style: none;
+}
+
+#mocha h1,
+#mocha h2 {
+  margin: 0;
+}
+
+#mocha h1 {
+  margin-top: 15px;
+  font-size: 1em;
+  font-weight: 200;
+}
+
+#mocha h1 a {
+  text-decoration: none;
+  color: inherit;
+}
+
+#mocha h1 a:hover {
+  text-decoration: underline;
+}
+
+#mocha .suite .suite h1 {
+  margin-top: 0;
+  font-size: .8em;
+}
+
+#mocha .hidden {
+  display: none;
+}
+
+#mocha h2 {
+  font-size: 12px;
+  font-weight: normal;
+  cursor: pointer;
+}
+
+#mocha .suite {
+  margin-left: 15px;
+}
+
+#mocha .test {
+  margin-left: 15px;
+  overflow: hidden;
+}
+
+#mocha .test.pending:hover h2::after {
+  content: '(pending)';
+  font-family: arial, sans-serif;
+}
+
+#mocha .test.pass.medium .duration {
+  background: #c09853;
+}
+
+#mocha .test.pass.slow .duration {
+  background: #b94a48;
+}
+
+#mocha .test.pass::before {
+  content: '✓';
+  font-size: 12px;
+  display: block;
+  float: left;
+  margin-right: 5px;
+  color: #00d6b2;
+}
+
+#mocha .test.pass .duration {
+  font-size: 9px;
+  margin-left: 5px;
+  padding: 2px 5px;
+  color: #fff;
+  -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.2);
+  -moz-box-shadow: inset 0 1px 1px rgba(0,0,0,.2);
+  box-shadow: inset 0 1px 1px rgba(0,0,0,.2);
+  -webkit-border-radius: 5px;
+  -moz-border-radius: 5px;
+  -ms-border-radius: 5px;
+  -o-border-radius: 5px;
+  border-radius: 5px;
+}
+
+#mocha .test.pass.fast .duration {
+  display: none;
+}
+
+#mocha .test.pending {
+  color: #0b97c4;
+}
+
+#mocha .test.pending::before {
+  content: '◦';
+  color: #0b97c4;
+}
+
+#mocha .test.fail {
+  color: #c00;
+}
+
+#mocha .test.fail pre {
+  color: black;
+}
+
+#mocha .test.fail::before {
+  content: '✖';
+  font-size: 12px;
+  display: block;
+  float: left;
+  margin-right: 5px;
+  color: #c00;
+}
+
+#mocha .test pre.error {
+  color: #c00;
+  max-height: 300px;
+  overflow: auto;
+}
+
+#mocha .test .html-error {
+  overflow: auto;
+  color: black;
+  display: block;
+  float: left;
+  clear: left;
+  font: 12px/1.5 monaco, monospace;
+  margin: 5px;
+  padding: 15px;
+  border: 1px solid #eee;
+  max-width: 85%; /*(1)*/
+  max-width: -webkit-calc(100% - 42px);
+  max-width: -moz-calc(100% - 42px);
+  max-width: calc(100% - 42px); /*(2)*/
+  max-height: 300px;
+  word-wrap: break-word;
+  border-bottom-color: #ddd;
+  -webkit-box-shadow: 0 1px 3px #eee;
+  -moz-box-shadow: 0 1px 3px #eee;
+  box-shadow: 0 1px 3px #eee;
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
+
+#mocha .test .html-error pre.error {
+  border: none;
+  -webkit-border-radius: 0;
+  -moz-border-radius: 0;
+  border-radius: 0;
+  -webkit-box-shadow: 0;
+  -moz-box-shadow: 0;
+  box-shadow: 0;
+  padding: 0;
+  margin: 0;
+  margin-top: 18px;
+  max-height: none;
+}
+
+/**
+ * (1): approximate for browsers not supporting calc
+ * (2): 42 = 2*15 + 2*10 + 2*1 (padding + margin + border)
+ *      ^^ seriously
+ */
+#mocha .test pre {
+  display: block;
+  float: left;
+  clear: left;
+  font: 12px/1.5 monaco, monospace;
+  margin: 5px;
+  padding: 15px;
+  border: 1px solid #eee;
+  max-width: 85%; /*(1)*/
+  max-width: -webkit-calc(100% - 42px);
+  max-width: -moz-calc(100% - 42px);
+  max-width: calc(100% - 42px); /*(2)*/
+  word-wrap: break-word;
+  border-bottom-color: #ddd;
+  -webkit-box-shadow: 0 1px 3px #eee;
+  -moz-box-shadow: 0 1px 3px #eee;
+  box-shadow: 0 1px 3px #eee;
+  -webkit-border-radius: 3px;
+  -moz-border-radius: 3px;
+  border-radius: 3px;
+}
+
+#mocha .test h2 {
+  position: relative;
+}
+
+#mocha .test a.replay {
+  position: absolute;
+  top: 3px;
+  right: 0;
+  text-decoration: none;
+  vertical-align: middle;
+  display: block;
+  width: 15px;
+  height: 15px;
+  line-height: 15px;
+  text-align: center;
+  background: #eee;
+  font-size: 15px;
+  -webkit-border-radius: 15px;
+  -moz-border-radius: 15px;
+  border-radius: 15px;
+  -webkit-transition:opacity 200ms;
+  -moz-transition:opacity 200ms;
+  -o-transition:opacity 200ms;
+  transition: opacity 200ms;
+  opacity: 0.3;
+  color: #888;
+}
+
+#mocha .test:hover a.replay {
+  opacity: 1;
+}
+
+#mocha-report.pass .test.fail {
+  display: none;
+}
+
+#mocha-report.fail .test.pass {
+  display: none;
+}
+
+#mocha-report.pending .test.pass,
+#mocha-report.pending .test.fail {
+  display: none;
+}
+#mocha-report.pending .test.pass.pending {
+  display: block;
+}
+
+#mocha-error {
+  color: #c00;
+  font-size: 1.5em;
+  font-weight: 100;
+  letter-spacing: 1px;
+}
+
+#mocha-stats {
+  position: fixed;
+  top: 15px;
+  right: 10px;
+  font-size: 12px;
+  margin: 0;
+  color: #888;
+  z-index: 1;
+}
+
+#mocha-stats .progress {
+  float: right;
+  padding-top: 0;
+
+  /**
+   * Set safe initial values, so mochas .progress does not inherit these
+   * properties from Bootstrap .progress (which causes .progress height to
+   * equal line height set in Bootstrap).
+   */
+  height: auto;
+  -webkit-box-shadow: none;
+  -moz-box-shadow: none;
+  box-shadow: none;
+  background-color: initial;
+}
+
+#mocha-stats em {
+  color: black;
+}
+
+#mocha-stats a {
+  text-decoration: none;
+  color: inherit;
+}
+
+#mocha-stats a:hover {
+  border-bottom: 1px solid #eee;
+}
+
+#mocha-stats li {
+  display: inline-block;
+  margin: 0 5px;
+  list-style: none;
+  padding-top: 11px;
+}
+
+#mocha-stats canvas {
+  width: 40px;
+  height: 40px;
+}
+
+#mocha code .comment { color: #ddd; }
+#mocha code .init { color: #2f6fad; }
+#mocha code .string { color: #5890ad; }
+#mocha code .keyword { color: #8a6343; }
+#mocha code .number { color: #2f6fad; }
+
+@media screen and (max-device-width: 480px) {
+  #mocha {
+    margin: 60px 0px;
+  }
+
+  #mocha #stats {
+    position: absolute;
+  }
+}

src/assets/scripts/lib/js-dos/test/stats.min.js

@@ -0,0 +1,5 @@
+// stats.js - http://github.com/mrdoob/stats.js
+(function(f,e){"object"===typeof exports&&"undefined"!==typeof module?module.exports=e():"function"===typeof define&&define.amd?define(e):f.Stats=e()})(this,function(){var f=function(){function e(a){c.appendChild(a.dom);return a}function u(a){for(var d=0;d<c.children.length;d++)c.children[d].style.display=d===a?"block":"none";l=a}var l=0,c=document.createElement("div");c.style.cssText="position:fixed;top:0;left:0;cursor:pointer;opacity:0.9;z-index:10000";c.addEventListener("click",function(a){a.preventDefault();
+u(++l%c.children.length)},!1);var k=(performance||Date).now(),g=k,a=0,r=e(new f.Panel("FPS","#0ff","#002")),h=e(new f.Panel("MS","#0f0","#020"));if(self.performance&&self.performance.memory)var t=e(new f.Panel("MB","#f08","#201"));u(0);return{REVISION:16,dom:c,addPanel:e,showPanel:u,begin:function(){k=(performance||Date).now()},end:function(){a++;var c=(performance||Date).now();h.update(c-k,200);if(c>=g+1E3&&(r.update(1E3*a/(c-g),100),g=c,a=0,t)){var d=performance.memory;t.update(d.usedJSHeapSize/
+1048576,d.jsHeapSizeLimit/1048576)}return c},update:function(){k=this.end()},domElement:c,setMode:u}};f.Panel=function(e,f,l){var c=Infinity,k=0,g=Math.round,a=g(window.devicePixelRatio||1),r=80*a,h=48*a,t=3*a,v=2*a,d=3*a,m=15*a,n=74*a,p=30*a,q=document.createElement("canvas");q.width=r;q.height=h;q.style.cssText="width:80px;height:48px";var b=q.getContext("2d");b.font="bold "+9*a+"px Helvetica,Arial,sans-serif";b.textBaseline="top";b.fillStyle=l;b.fillRect(0,0,r,h);b.fillStyle=f;b.fillText(e,t,v);
+b.fillRect(d,m,n,p);b.fillStyle=l;b.globalAlpha=.9;b.fillRect(d,m,n,p);return{dom:q,update:function(h,w){c=Math.min(c,h);k=Math.max(k,h);b.fillStyle=l;b.globalAlpha=1;b.fillRect(0,0,r,m);b.fillStyle=f;b.fillText(g(h)+" "+e+" ("+g(c)+"-"+g(k)+")",t,v);b.drawImage(q,d+a,m,n-a,p,d,m,n-a,p);b.fillRect(d+n-a,m,a,p);b.fillStyle=l;b.globalAlpha=.9;b.fillRect(d+n-a,m,a,g((1-h/w)*p))}}};return f});

src/assets/scripts/lib/js-dos/test/template.html

@@ -0,0 +1,161 @@
+<!doctype html>
+<html>
+
+<head>
+    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
+    <style>
+        html,
+        body {
+            width: 100%;
+            height: 100%;
+            margin: 0;
+            padding: 0;
+        }
+
+        layout {
+            display: flex;
+            flex-direction: column;
+        }
+    </style>
+    <script src="../emulators.js"></script>
+    <script src="audio-node.js"></script>
+    <script src="webgl.js"></script>
+    <script src="stats.min.js"></script>
+</head>
+
+<body>
+    <div class="layout">
+        <div id="controls">
+            <button onClick="javascript:downloadBundleAndRun({worker: true, x: false})">dosboxWorker</button>
+            <button onClick="javascript:downloadBundleAndRun({worker: false, x: false})">dosboxDirect</button>
+            <button onClick="javascript:downloadBundleAndRun({worker: true, x: true})">xWorker</button>
+            <button onClick="javascript:downloadBundleAndRun({worker: false, x: true})">xDirect</button>
+        </div>
+        <p>FRAME:</p>
+        <canvas id="canvas"></canvas>
+        <p id="stats"></p>
+        <p>STDOUT:</p>
+        <pre id="stdout"></pre>
+    </div>
+
+    <script>
+        emulators.pathPrefix = "../";
+
+        const stats = new Stats();
+        stats.showPanel(0);
+        stats.dom.style.left = "initial";
+        stats.dom.style.right = "0px";
+        document.body.appendChild(stats.dom);
+
+        let runId = 0;
+        async function runBundle(bundle, options) {
+            const id = runId++;
+            const stdout = document.getElementById("stdout");
+            const canvas = document.getElementById("canvas");
+            const gl = canvas.getContext("webgl");
+            const statsEl = document.getElementById("stats");
+
+            // promise is resolved when emulator is started
+            const ci = await (options.worker ?
+                (options.x ? emulators.dosboxXWorker(bundle) : emulators.dosboxWorker(bundle)) :
+                (options.x ? emulators.dosboxXDirect(bundle) : emulators.dosDirect(bundle)));
+
+            let intervalStartedAt = Date.now();
+            let prevNonSkippableSleepCount = 0;
+            let prevSleepCount = 0;
+            let prevCycles = 0;
+            setInterval(() => {
+                ci.asyncifyStats().then((stats) => {
+                    const dt = Date.now() - intervalStartedAt;
+                    const nonSkippableSleep = stats.nonSkippableSleepCount - prevNonSkippableSleepCount;
+                    const avgSleep = (stats.sleepCount - prevSleepCount) * 1000 / dt;
+                    const avgNonSkippableSleep = (stats.nonSkippableSleepCount - prevNonSkippableSleepCount) * 1000 / dt;
+                    const avgCycles = (stats.cycles - prevCycles) / dt;
+                    intervalStartedAt = Date.now();
+                    prevNonSkippableSleepCount = stats.nonSkippableSleepCount;
+                    prevSleepCount = stats.sleepCount;
+                    prevCycles = stats.cycles;
+                    statsEl.innerHTML = "Avg sleep p/sec: " + Math.round(avgSleep) +
+                         ", avg non skippable sleep p/sec: " + Math.round(avgNonSkippableSleep) +
+                         ", cycles p/ms: " + Math.round(avgCycles);
+                });
+            }, 3000);
+
+            window.ci = ci;
+
+            webGl({ 
+                canvas,
+                addOnResize: () => {},
+            }, ci, stats);
+            audioNode(ci);
+
+            ci.events().onStdout((message) => {
+                stdout.innerHTML += message;
+            });
+
+            // ci.events().onMessage(console.log.bind(console));
+
+            function getKeyCode(code) {
+                switch (code) {
+                    case 13: return 257;
+                    case 38: return 265;
+                    case 39: return 262;
+                    case 37: return 263;
+                    case 40: return 264;
+                    case 17: return 342;
+                    case 190: return 46;
+                    default: return code;
+                }
+            }
+
+            window.addEventListener("keydown", (e) => {
+                ci.sendKeyEvent(getKeyCode(e.keyCode), true);
+                e.stopPropagation();
+                e.preventDefault();
+            });
+            window.addEventListener("keyup", (e) => {
+                ci.sendKeyEvent(getKeyCode(e.keyCode), false);
+                e.stopPropagation();
+                e.preventDefault();
+            });
+            canvas.addEventListener("mousemove", (e) => {
+                ci.sendMouseMotion(
+                    (e.clientX - canvas.offsetLeft) / canvas.width, 
+                    (e.clientY - canvas.offsetTop) / canvas.height);
+                e.stopPropagation();
+                e.preventDefault();
+            });
+            canvas.addEventListener("mousedown", (e) => {
+                ci.sendMouseButton(0, true);
+                e.stopPropagation();
+                e.preventDefault();
+            });
+            canvas.addEventListener("mouseup", (e) => {
+                ci.sendMouseButton(0, false);
+                e.stopPropagation();
+                e.preventDefault();
+            });
+        }
+
+        function downloadBundleAndRun(options) {
+            document.getElementById("controls").style.display = "none";
+            const bundleUrl = "temp.jsdos?timestamp=" + Date.now();
+
+            // we need to download bundle, emulators accept only Uint8Array
+            const xhr = new XMLHttpRequest();
+            xhr.open("GET", bundleUrl, true);
+            xhr.overrideMimeType("text/plain; charset=x-user-defined");
+            xhr.responseType = "arraybuffer";
+            xhr.onreadystatechange = () => {
+                if (xhr.readyState === 4 && xhr.status === 200) {
+                    // do not forget to create Uint8Array, 
+                    // arraybuffer will not work!
+                    runBundle(new Uint8Array(xhr.response), options);
+                }
+            };
+            xhr.send();
+        };
+    </script>
+</body>
+
+</html>

src/assets/scripts/lib/js-dos/test/test.html

@@ -0,0 +1,75 @@
+<html>
+
+<head>
+    <meta charset="utf-8">
+    <title>Emulators Tests</title>
+    <link href="mocha.css" rel="stylesheet" />
+    <style>
+        .test-config {
+            position: fixed;
+            left: 15px;
+            top: 15px;
+            display: flex;
+            flex-direction: column;
+            width: fit-content;
+        }
+
+        .test-config-row {
+            display: flex;
+            flex-direction: row;
+            align-items: center;
+            justify-content: center;
+        }
+    </style>
+</head>
+
+<body>
+    <div id="mocha"></div>
+    <script src="mocha.js"></script>
+    <script src="chai.js"></script>
+    <script>
+        mocha.setup({
+            ui: 'qunit',
+            allowUncaught: true,
+            bail: true,
+            fullTrace: true,
+            timeout: 60000
+        });
+        mocha.allowUncaught();
+    </script>
+    <script src="test.js"></script>
+    
+    <div id="test-config" class="test-config">
+        <div class="test-config-row">
+            Server Address:&nbsp;
+            <input id="server-ip" type="text" value="wss://netherlands.dos.zone"></input>
+            &nbsp;&nbsp;
+            <button id="start-net">Start Net Tests</button>
+        </div>
+        <br/>
+        <button id="start">Start Tests</button>
+    </div>
+
+    <script>
+        const testConfig = document.getElementById("test-config");
+        const start = document.getElementById("start");
+        const startNet = document.getElementById("start-net");
+
+        start.addEventListener("click", () => {
+            testConfig.style.display = "none";
+
+            window.createTests();
+            mocha.run();
+        });
+
+        startNet.addEventListener("click", () => {
+            testConfig.style.display = "none";
+
+            window.ipxServerAddress = document.getElementById("server-ip").value.trim();
+            window.createNetworkTests();
+            mocha.run();
+        });
+    </script>
+</body>
+
+</html>

src/assets/scripts/lib/js-dos/test/webgl.js

@@ -0,0 +1,136 @@
+"use strict";
+exports.__esModule = true;
+exports.webGl = void 0;
+var vsSource = "\nattribute vec4 aVertexPosition;\nattribute vec2 aTextureCoord;\n\nvarying highp vec2 vTextureCoord;\n\nvoid main(void) {\n  gl_Position = aVertexPosition;\n  vTextureCoord = aTextureCoord;\n}\n";
+var fsSource = "\nvarying highp vec2 vTextureCoord;\nuniform sampler2D uSampler;\n\n\nvoid main(void) {\n  highp vec4 color = texture2D(uSampler, vTextureCoord);\n  gl_FragColor = vec4(color.r, color.g, color.b, 1.0);\n}\n";
+function webGl(layers, ci, stats) {
+    var canvas = layers.canvas;
+    var gl = canvas.getContext("webgl");
+    if (gl === null) {
+        throw new Error("Unable to create webgl context on given canvas");
+    }
+    var shaderProgram = initShaderProgram(gl, vsSource, fsSource);
+    var vertexPosition = gl.getAttribLocation(shaderProgram, "aVertexPosition");
+    var textureCoord = gl.getAttribLocation(shaderProgram, "aTextureCoord");
+    var uSampler = gl.getUniformLocation(shaderProgram, "uSampler");
+    initBuffers(gl, vertexPosition, textureCoord);
+    var texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR);
+    var pixel = new Uint8Array([0, 0, 0]);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, 1, 1, 0, gl.RGB, gl.UNSIGNED_BYTE, pixel);
+    gl.useProgram(shaderProgram);
+    gl.activeTexture(gl.TEXTURE0);
+    gl.uniform1i(uSampler, 0);
+    var containerWidth = layers.width;
+    var containerHeight = layers.height;
+    var frameWidth = 0;
+    var frameHeight = 0;
+    var onResize = function () {
+        var aspect = frameWidth / frameHeight;
+        var width = containerWidth;
+        var height = containerWidth / aspect;
+        if (height > containerHeight) {
+            height = containerHeight;
+            width = containerHeight * aspect;
+        }
+        canvas.style.position = "relative";
+        canvas.style.top = (containerHeight - height) / 2 + "px";
+        canvas.style.left = (containerWidth - width) / 2 + "px";
+        canvas.style.width = width + "px";
+        canvas.style.height = height + "px";
+    };
+    var onResizeLayer = function (w, h) {
+        containerWidth = w;
+        containerHeight = h;
+        onResize();
+    };
+    layers.addOnResize(onResizeLayer);
+    var onResizeFrame = function (w, h) {
+        frameWidth = w;
+        frameHeight = h;
+        canvas.width = frameWidth;
+        canvas.height = frameHeight;
+        gl.viewport(0, 0, frameWidth, frameHeight);
+        onResize();
+    };
+    ci.events().onFrameSize(onResizeFrame);
+    onResizeFrame(ci.width(), ci.height());
+    var requestAnimationFrameId = null;
+    var frame = null;
+    var frameFormat = 0;
+    stats.begin();
+    ci.events().onFrame(function (rgb, rgba) {
+        stats.end();
+        stats.begin();
+        frame = rgb != null ? rgb : rgba;
+        frameFormat = rgb != null ? gl.RGB : gl.RGBA;
+        if (requestAnimationFrameId === null) {
+            requestAnimationFrameId = requestAnimationFrame(updateTexture);
+        }
+    });
+    var updateTexture = function () {
+        gl.texImage2D(gl.TEXTURE_2D, 0, frameFormat, frameWidth, frameHeight, 0, frameFormat, gl.UNSIGNED_BYTE, frame);
+        gl.drawArrays(gl.TRIANGLES, 0, 6);
+        requestAnimationFrameId = null;
+        frame = null;
+    };
+    ci.events().onExit(function () {
+        layers.removeOnResize(onResizeLayer);
+    });
+}
+exports.webGl = webGl;
+function initShaderProgram(gl, vsSource, fsSource) {
+    var vertexShader = loadShader(gl, gl.VERTEX_SHADER, vsSource);
+    var fragmentShader = loadShader(gl, gl.FRAGMENT_SHADER, fsSource);
+    var shaderProgram = gl.createProgram();
+    gl.attachShader(shaderProgram, vertexShader);
+    gl.attachShader(shaderProgram, fragmentShader);
+    gl.linkProgram(shaderProgram);
+    if (!gl.getProgramParameter(shaderProgram, gl.LINK_STATUS)) {
+        throw new Error("Unable to initialize the shader program: " + gl.getProgramInfoLog(shaderProgram));
+    }
+    return shaderProgram;
+}
+function loadShader(gl, shaderType, source) {
+    var shader = gl.createShader(shaderType);
+    gl.shaderSource(shader, source);
+    gl.compileShader(shader);
+    if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
+        var info = gl.getShaderInfoLog(shader);
+        gl.deleteShader(shader);
+        throw new Error("An error occurred compiling the shaders: " + info);
+    }
+    return shader;
+}
+function initBuffers(gl, vertexPosition, textureCoord) {
+    var positionBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);
+    var positions = [
+        -1.0, -1.0, 0.0,
+        1.0, -1.0, 0.0,
+        1.0, 1.0, 0.0,
+        -1.0, -1.0, 0.0,
+        1.0, 1.0, 0.0,
+        -1.0, 1.0, 0.0,
+    ];
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
+    gl.vertexAttribPointer(vertexPosition, 3, gl.FLOAT, false, 0, 0);
+    gl.enableVertexAttribArray(vertexPosition);
+    var textureCoordBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, textureCoordBuffer);
+    var textureCoordinates = [
+        0.0, 1.0,
+        1.0, 1.0,
+        1.0, 0.0,
+        0.0, 1.0,
+        1.0, 0.0,
+        0.0, 0.0,
+    ];
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(textureCoordinates), gl.STATIC_DRAW);
+    gl.vertexAttribPointer(textureCoord, 2, gl.FLOAT, false, 0, 0);
+    gl.enableVertexAttribArray(textureCoord);
+}

src/assets/scripts/lib/js-dos/types/build.d.ts

@@ -0,0 +1,28 @@
+export declare const Build: {
+    version: string;
+    buildSeed: number;
+    "wdosbox-x.wasm": {
+        size: number;
+        gzSize: number;
+    };
+    "wdosbox-x.js": {
+        size: number;
+        gzSize: number;
+    };
+    "wdosbox.wasm": {
+        size: number;
+        gzSize: number;
+    };
+    "wdosbox.js": {
+        size: number;
+        gzSize: number;
+    };
+    "wlibzip.wasm": {
+        size: number;
+        gzSize: number;
+    };
+    "wlibzip.js": {
+        size: number;
+        gzSize: number;
+    };
+};

src/assets/scripts/lib/js-dos/types/dos/bundle/dos-bundle.d.ts

@@ -0,0 +1,20 @@
+import { WasmModule } from "../../impl/modules";
+export interface DosArchiveSource {
+    url: string;
+    path: string;
+    type?: "zip";
+}
+export default class DosBundle {
+    dosboxConf: string;
+    jsdosConf: {
+        version: string;
+    };
+    sources: DosArchiveSource[];
+    private libzipWasm;
+    constructor(libzipWasm: WasmModule);
+    autoexec(...lines: string[]): DosBundle;
+    extract(url: string, path?: string, type?: "zip"): DosBundle;
+    extractAll(sources: DosArchiveSource[]): DosBundle;
+    toUint8Array(overwriteConfig?: boolean): Promise<Uint8Array>;
+}
+export declare const defaultConfig: string;

src/assets/scripts/lib/js-dos/types/dos/dosbox/ts/direct.d.ts

@@ -0,0 +1,3 @@
+import { WasmModule } from "../../../impl/modules";
+import { TransportLayer } from "../../../protocol/protocol";
+export declare function dosDirect(wasmModule: WasmModule, sessionId: string, canvas?: OffscreenCanvas): Promise<TransportLayer>;

src/assets/scripts/lib/js-dos/types/dos/dosbox/ts/worker.d.ts

@@ -0,0 +1,3 @@
+import { WasmModule } from "../../../impl/modules";
+import { TransportLayer } from "../../../protocol/protocol";
+export declare function dosWorker(workerUrl: string, wasmModule: WasmModule, sessionId: string, canvas?: OffscreenCanvas): Promise<TransportLayer>;

src/assets/scripts/lib/js-dos/types/emulators.d.ts

@@ -0,0 +1,85 @@
+import DosBundle from "./dos/bundle/dos-bundle";
+import { AsyncifyStats, TransportLayer, FsNode } from "./protocol/protocol";
+export interface DosConfig {
+    dosboxConf: string;
+    jsdosConf: {
+        version: string;
+    };
+}
+export declare enum NetworkType {
+    NETWORK_DOSBOX_IPX = 0
+}
+export interface BackendOptions {
+    token?: string | undefined;
+    onExtractProgress?: (bundleIndex: number, file: string, extracted: number, total: number) => void;
+    canvas?: OffscreenCanvas;
+}
+export type InitBundleEntry = Uint8Array;
+export interface InitFileEntry {
+    path: string;
+    contents: Uint8Array;
+}
+export type InitFsEntry = InitBundleEntry | InitFileEntry | DosConfig | string;
+export type InitFs = InitFsEntry | InitFsEntry[];
+export type PersistedSockdrives = {
+    drives: {
+        url: string;
+        persist: Uint8Array;
+    }[];
+} | null;
+export interface Emulators {
+    pathPrefix: string;
+    pathSuffix: string;
+    version: string;
+    wdosboxJs: string;
+    bundle: () => Promise<DosBundle>;
+    bundleConfig: (bundle: InitBundleEntry) => Promise<DosConfig | null>;
+    bundleUpdateConfig: (bundle: InitBundleEntry, config: DosConfig) => Promise<Uint8Array>;
+    dosboxNode: (init: InitFs, options?: BackendOptions) => Promise<CommandInterface>;
+    dosboxDirect: (init: InitFs, options?: BackendOptions) => Promise<CommandInterface>;
+    dosboxWorker: (init: InitFs, options?: BackendOptions) => Promise<CommandInterface>;
+    dosboxXNode: (init: InitFs, options?: BackendOptions) => Promise<CommandInterface>;
+    dosboxXDirect: (init: InitFs, options?: BackendOptions) => Promise<CommandInterface>;
+    dosboxXWorker: (init: InitFs, options?: BackendOptions) => Promise<CommandInterface>;
+    backend: (init: InitFs, transportLayer: TransportLayer, options?: BackendOptions) => Promise<CommandInterface>;
+}
+export interface CommandInterface {
+    config: () => Promise<DosConfig>;
+    height: () => number;
+    width: () => number;
+    soundFrequency: () => number;
+    screenshot: () => Promise<ImageData>;
+    pause: () => void;
+    resume: () => void;
+    mute: () => void;
+    unmute: () => void;
+    exit: () => Promise<void>;
+    simulateKeyPress: (...keyCodes: number[]) => void;
+    sendKeyEvent: (keyCode: number, pressed: boolean) => void;
+    sendMouseMotion: (x: number, y: number) => void;
+    sendMouseRelativeMotion: (x: number, y: number) => void;
+    sendMouseButton: (button: number, pressed: boolean) => void;
+    sendMouseSync: () => void;
+    sendBackendEvent: (event: any) => void;
+    persist(onlyChanges?: boolean): Promise<Uint8Array | PersistedSockdrives | null>;
+    events(): CommandInterfaceEvents;
+    networkConnect(networkType: NetworkType, address: string): Promise<void>;
+    networkDisconnect(networkType: NetworkType): Promise<void>;
+    asyncifyStats(): Promise<AsyncifyStats>;
+    fsTree(): Promise<FsNode>;
+    fsReadFile(file: string): Promise<Uint8Array>;
+    fsWriteFile(file: string, contents: ReadableStream<Uint8Array> | Uint8Array): Promise<void>;
+    fsDeleteFile(file: string): Promise<boolean>;
+}
+export type MessageType = "log" | "warn" | "error" | string;
+export interface CommandInterfaceEvents {
+    onStdout: (consumer: (message: string) => void) => void;
+    onFrameSize: (consumer: (width: number, height: number) => void) => void;
+    onFrame: (consumer: (rgb: Uint8Array | null, rgba: Uint8Array | null) => void) => void;
+    onSoundPush: (consumer: (samples: Float32Array) => void) => void;
+    onExit: (consumer: () => void) => void;
+    onMessage: (consumer: (msgType: MessageType, ...args: any[]) => void) => void;
+    onNetworkConnected: (consumer: (networkType: NetworkType, address: string) => void) => void;
+    onNetworkDisconnected: (consumer: (networkType: NetworkType) => void) => void;
+    onUnload: (consumer: () => Promise<void>) => void;
+}

src/assets/scripts/lib/js-dos/types/http.d.ts

@@ -0,0 +1,9 @@
+export interface XhrOptions {
+    method?: string;
+    progress?: (total: number, loaded: number) => void;
+    data?: string;
+    responseType?: XMLHttpRequestResponseType;
+}
+export declare const httpRequest: typeof XhrRequest;
+declare function XhrRequest(url: string, options: XhrOptions): Promise<string | ArrayBuffer>;
+export {};

src/assets/scripts/lib/js-dos/types/impl/ci-impl.d.ts

@@ -0,0 +1,32 @@
+import { CommandInterfaceEvents, MessageType, NetworkType } from "../emulators";
+export declare class CommandInterfaceEventsImpl implements CommandInterfaceEvents {
+    private onStdoutConsumers;
+    private delayedStdout;
+    private onFrameSizeConsumers;
+    private onFrameConsumers;
+    private onSoundPushConsumers;
+    private onExitConsumers;
+    private onMessageConsumers;
+    private delayedMessages;
+    private onNetworkConnectedConsumers;
+    private onNetworkDisconnectedConsumers;
+    private onUnloadConsumers;
+    onStdout: (consumer: (message: string) => void) => void;
+    onFrameSize: (consumer: (width: number, height: number) => void) => void;
+    onFrame: (consumer: (rgb: Uint8Array | null, rgba: Uint8Array | null) => void) => void;
+    onSoundPush: (consumer: (samples: Float32Array) => void) => void;
+    onExit: (consumer: () => void) => void;
+    onMessage: (consumer: (msgType: MessageType, ...args: any[]) => void) => void;
+    onNetworkConnected(consumer: (networkType: NetworkType, address: string) => void): void;
+    onNetworkDisconnected(consumer: (networkType: NetworkType) => void): void;
+    onUnload: (consumer: () => Promise<void>) => void;
+    fireStdout: (message: string) => void;
+    fireFrameSize: (width: number, height: number) => void;
+    fireFrame: (rgb: Uint8Array | null, rgba: Uint8Array | null) => void;
+    fireSoundPush: (samples: Float32Array) => void;
+    fireExit: () => void;
+    fireMessage: (msgType: MessageType, ...args: any[]) => void;
+    fireNetworkConnected: (networkType: NetworkType, address: string) => void;
+    fireNetworkDisconnected: (networkType: NetworkType) => void;
+    fireUnload: () => Promise<void>;
+}

src/assets/scripts/lib/js-dos/types/impl/emulators-impl.d.ts

@@ -0,0 +1,27 @@
+import { Emulators, CommandInterface, BackendOptions, DosConfig, InitFs, InitBundleEntry } from "../emulators";
+import { IWasmModules } from "./modules";
+import DosBundle from "../dos/bundle/dos-bundle";
+import { TransportLayer } from "../protocol/protocol";
+declare class EmulatorsImpl implements Emulators {
+    pathPrefix: string;
+    pathSuffix: string;
+    version: string;
+    wdosboxJs: string;
+    wdosboxxJs: string;
+    private wasmModulesPromise?;
+    bundle(): Promise<DosBundle>;
+    bundleConfig(bundle: InitBundleEntry): Promise<DosConfig | null>;
+    bundleUpdateConfig(bundle: InitBundleEntry, config: DosConfig): Promise<Uint8Array>;
+    dosboxNode(init: InitFs, options?: BackendOptions): Promise<CommandInterface>;
+    dosboxDirect(init: InitFs, options?: BackendOptions): Promise<CommandInterface>;
+    dosboxWorker(init: InitFs, options?: BackendOptions): Promise<CommandInterface>;
+    dosboxXNode(init: InitFs, options?: BackendOptions): Promise<CommandInterface>;
+    dosboxXDirect(init: InitFs, options?: BackendOptions): Promise<CommandInterface>;
+    dosboxXWorker(init: InitFs, options?: BackendOptions): Promise<CommandInterface>;
+    backend(init: InitFs, transportLayer: TransportLayer, options?: BackendOptions): Promise<CommandInterface>;
+    wasmModules(): Promise<IWasmModules>;
+    dosDirect(init: InitFs): Promise<CommandInterface>;
+    dosWorker(init: InitFs): Promise<CommandInterface>;
+}
+declare const emulators: EmulatorsImpl;
+export default emulators;

src/assets/scripts/lib/js-dos/types/impl/modules.d.ts

@@ -0,0 +1,42 @@
+export interface WasmModule {
+    instantiate: (module?: any) => Promise<any>;
+}
+export interface IWasmModules {
+    libzip: () => Promise<WasmModule>;
+    dosbox: () => Promise<WasmModule>;
+    dosboxx: () => Promise<WasmModule>;
+}
+interface Globals {
+    exports: {
+        [moduleName: string]: any;
+    };
+    module: {
+        exports?: () => void;
+    };
+    compiled: {
+        [moduleName: string]: Promise<WasmModule>;
+    };
+}
+declare class Host {
+    wasmSupported: boolean;
+    globals: Globals;
+    constructor();
+}
+export declare const host: Host;
+export declare class WasmModulesImpl implements IWasmModules {
+    private pathPrefix;
+    private pathSuffix;
+    private wdosboxJs;
+    private wdosboxxJs;
+    private libzipPromise?;
+    private dosboxPromise?;
+    private dosboxxPromise?;
+    wasmSupported: boolean;
+    constructor(pathPrefix: string, pathSuffix: string, wdosboxJs: string, wdosboxxJs: string);
+    libzip(): Promise<WasmModule>;
+    dosbox(): Promise<WasmModule>;
+    dosboxx(): Promise<WasmModule>;
+    private loadModule;
+}
+export declare function loadWasmModule(url: string, moduleName: string, onprogress: (stage: string, total: number, loaded: number) => void): Promise<WasmModule>;
+export {};

src/assets/scripts/lib/js-dos/types/libzip/libzip.d.ts

@@ -0,0 +1,16 @@
+export default class LibZip {
+    module: any;
+    private home;
+    constructor(module: any, home?: string);
+    zipFromFs(changedAfterMs?: number): Promise<Uint8Array>;
+    zipToFs(zipArchive: Uint8Array, path?: string, filter?: string): Promise<void>;
+    writeFile(file: string, body: ArrayBuffer | Uint8Array | string): void;
+    readFile(file: string, encoding?: "binary" | "utf8"): Promise<string | Uint8Array>;
+    exists(file: string): boolean;
+    destroy(): any;
+    private normalizeFilename;
+    private createPath;
+    private chdirToHome;
+    private chdir;
+    zipAddFile(archive: string, file: string): Promise<void>;
+}

src/assets/scripts/lib/js-dos/types/protocol/messages-queue.d.ts

@@ -0,0 +1,8 @@
+import { ServerMessage, MessageHandler } from "./protocol";
+export declare class MessagesQueue {
+    private messages;
+    handler(name: ServerMessage, props: {
+        [key: string]: any;
+    }): void;
+    sendTo(handler: MessageHandler): void;
+}

src/assets/scripts/lib/js-dos/types/protocol/mini-lz4.d.ts

@@ -0,0 +1,3 @@
+export declare const compressBound: any;
+export declare const compress: any;
+export declare const uncompress: any;

src/assets/scripts/lib/js-dos/types/protocol/protocol.d.ts

@@ -0,0 +1,137 @@
+import { CommandInterface, NetworkType, BackendOptions, DosConfig, InitFsEntry, PersistedSockdrives } from "../emulators";
+import { CommandInterfaceEventsImpl } from "../impl/ci-impl";
+export type ClientMessage = "wc-install" | "wc-run" | "wc-pack-fs-to-bundle" | "wc-add-key" | "wc-mouse-move" | "wc-mouse-button" | "wc-mouse-sync" | "wc-exit" | "wc-sync-sleep" | "wc-pause" | "wc-resume" | "wc-mute" | "wc-unmute" | "wc-connect" | "wc-disconnect" | "wc-backend-event" | "wc-asyncify-stats" | "wc-fs-tree" | "wc-fs-get-file" | "wc-send-data-chunk" | "wc-net-connected" | "wc-net-received" | "wc-sockdrive-opened" | "wc-sockdrive-new-range" | "wc-unload" | "wc-fs-delete-file";
+export type ServerMessage = "ws-extract-progress" | "ws-ready" | "ws-server-ready" | "ws-frame-set-size" | "ws-update-lines" | "ws-log" | "ws-warn" | "ws-err" | "ws-stdout" | "ws-exit" | "ws-persist" | "ws-sound-init" | "ws-sound-push" | "ws-config" | "ws-sync-sleep" | "ws-connected" | "ws-disconnected" | "ws-asyncify-stats" | "ws-fs-tree" | "ws-send-data-chunk" | "ws-net-connect" | "ws-net-disconnect" | "ws-net-send" | "ws-sockdrive-open" | "ws-sockdrive-ready" | "ws-sockdrive-close" | "ws-sockdrive-load-range" | "ws-sockdrive-write-sector" | "ws-unload" | "ws-fs-delete-file";
+export type MessageHandler = (name: ServerMessage, props: {
+    [key: string]: any;
+}) => void;
+export interface TransportLayer {
+    sessionId: string;
+    sendMessageToServer(name: ClientMessage, props: {
+        [key: string]: any;
+    }, transfer?: (ArrayBuffer | OffscreenCanvas)[]): void;
+    initMessageHandler(handler: MessageHandler): void;
+    exit?: () => void;
+}
+export interface FrameLine {
+    start: number;
+    heapu8: Uint8Array;
+}
+export interface DataChunk {
+    type: "ok" | "file" | "bundle";
+    name: string;
+    data: ArrayBuffer | null;
+}
+export interface AsyncifyStats {
+    offscreenCanvas?: boolean;
+    messageSent: number;
+    messageReceived: number;
+    messageFrame: number;
+    messageSound: number;
+    nonSkippableSleepCount: number;
+    sleepCount: number;
+    sleepTime: number;
+    cycles: number;
+    netSent: number;
+    netRecv: number;
+    driveIo: {
+        url: string;
+        preload: number;
+        total: number;
+        read: number;
+        write: number;
+    }[];
+}
+export interface FsNode {
+    name: string;
+    size: number | null;
+    nodes: FsNode[] | null;
+}
+export declare class CommandInterfaceOverTransportLayer implements CommandInterface {
+    private startedAt;
+    private exited;
+    private frameWidth;
+    private frameHeight;
+    private rgb;
+    private rgba;
+    private freq;
+    private utf8Decoder;
+    private init?;
+    private transport;
+    private ready;
+    private persistPromise?;
+    private persistResolve?;
+    private exitPromise?;
+    private exitResolve?;
+    private eventsImpl;
+    private keyMatrix;
+    private configPromise;
+    private configResolve;
+    private panicMessages;
+    private connectPromise;
+    private connectResolve;
+    private connectReject;
+    private disconnectPromise;
+    private disconnectResolve;
+    private asyncifyStatsPromise;
+    private asyncifyStatsResolve;
+    private fsTreePromise;
+    private fsTreeResolve;
+    private fsGetFilePromise;
+    private fsGetFileResolve;
+    private fsGetFileParts;
+    private fsDeleteFilePromise;
+    private fsDeleteFileResolve;
+    private dataChunkPromise;
+    private dataChunkResolve;
+    private networkId;
+    private network;
+    private sockdrives;
+    options: BackendOptions;
+    constructor(init: InitFsEntry[], transport: TransportLayer, ready: (err: Error | null) => void, options: BackendOptions);
+    private sendClientMessage;
+    private onServerMessage;
+    private onConfig;
+    private onFrameSize;
+    private onFrameLines;
+    private onSoundInit;
+    private onSoundPush;
+    private onLog;
+    private onWarn;
+    private onErr;
+    private onStdout;
+    config(): Promise<DosConfig>;
+    width(): number;
+    height(): number;
+    soundFrequency(): number;
+    screenshot(): Promise<ImageData>;
+    simulateKeyPress(...keyCodes: number[]): void;
+    sendKeyEvent(keyCode: number, pressed: boolean): void;
+    addKey(keyCode: number, pressed: boolean, timeMs: number): void;
+    sendMouseMotion(x: number, y: number): void;
+    sendMouseRelativeMotion(x: number, y: number): void;
+    sendMouseButton(button: number, pressed: boolean): void;
+    sendMouseSync(): void;
+    sendBackendEvent(payload: any): void;
+    persist(optOnlyChanges?: boolean): Promise<Uint8Array | PersistedSockdrives | null>;
+    private onPersist;
+    pause(): void;
+    resume(): void;
+    mute(): void;
+    unmute(): void;
+    exit(): Promise<void>;
+    private onExit;
+    events(): CommandInterfaceEventsImpl;
+    networkConnect(networkType: NetworkType, address: string): Promise<void>;
+    networkDisconnect(networkType: NetworkType): Promise<void>;
+    asyncifyStats(): Promise<AsyncifyStats>;
+    fsTree(): Promise<FsNode>;
+    fsReadFile(file: string): Promise<Uint8Array>;
+    fsWriteFile(file: string, contents: ReadableStream<Uint8Array> | Uint8Array): Promise<void>;
+    fsDeleteFile(file: string): Promise<boolean>;
+    persistSockdrives(): Promise<PersistedSockdrives>;
+    private sendDataChunk;
+    private sendFullDataChunk;
+    private dataChunkKey;
+    private mergeChunks;
+}

src/assets/scripts/lib/js-dos/types/protocol/sockdrive-store.d.ts

@@ -0,0 +1,18 @@
+export declare const RAW_STORE = "raw";
+export declare const WRITE_STORE = "write";
+export interface Store {
+    put: (key: number, data: Uint8Array, store: string) => Promise<void>;
+    get: (key: number, store: string) => Promise<Uint8Array | null>;
+    keys: (store: string) => Promise<number[]>;
+    each: (key: number[], store: string, callback: (key: number, data: Uint8Array) => void) => Promise<void>;
+    close: () => void;
+}
+export declare class NoStore implements Store {
+    owner: string;
+    close(): void;
+    put(key: number, data: Uint8Array, store: string): Promise<void>;
+    get(range: number, store: string): Promise<Uint8Array | null>;
+    keys(store: string): Promise<number[]>;
+    each(keys: number[], store: string, callback: (key: number, data: Uint8Array) => void): Promise<void>;
+}
+export declare function getStore(owner: string): Promise<Store>;

src/assets/scripts/lib/js-dos/types/protocol/sockdrive.d.ts

@@ -0,0 +1,28 @@
+interface DriveInfo {
+    ahead_read: number;
+    range_count: number;
+    dropped_ranges: number[];
+    preload_ranges: number[] | "_";
+    small_ranges: number[];
+    cylinders: number;
+    heads: number;
+    sectors: number;
+    sector_size: number;
+    size: number;
+    name: string;
+    url: string;
+    preloadSizeInBytes: number;
+    sizeInBytes: number;
+    readInBytes: number;
+    writeInBytes: number;
+}
+export interface Drive {
+    info: DriveInfo;
+    range(sector: number): number;
+    readRangeAsync(range: number): void;
+    ready(): void;
+    write(sector: number, buffer: Uint8Array): void;
+    persist(): Promise<Uint8Array | null>;
+}
+export declare function sockdrive(url: string, _onNewRange: (range: number, buffer: Uint8Array) => void): Promise<Drive>;
+export {};

src/assets/scripts/lib/js-dos/wlibzip.js.symbols

@@ -0,0 +1,277 @@
+0:exit
+1:__wasi_fd_close
+2:__wasi_fd_write
+3:emsc_getMTimeMs
+4:__syscall_openat
+5:__syscall_fcntl64
+6:legalimport$_mktime_js
+7:legalimport$_localtime_js
+8:legalimport$__wasi_fd_seek
+9:emscripten_resize_heap
+10:emscripten_force_exit
+11:emscripten_exit_with_live_runtime
+12:emscripten_date_now
+13:emsc_progress
+14:_tzset_js
+15:_setitimer_js
+16:_emscripten_runtime_keepalive_clear
+17:_abort_js
+18:__wasi_proc_exit
+19:__wasi_fd_read
+20:__syscall_unlinkat
+21:__syscall_stat64
+22:__syscall_rmdir
+23:__syscall_renameat
+24:__syscall_newfstatat
+25:__syscall_mkdirat
+26:__syscall_lstat64
+27:__syscall_ioctl
+28:__syscall_getdents64
+29:__syscall_fstat64
+30:__syscall_chmod
+31:__call_sighandler
+32:zip_error_set
+33:emmalloc_free
+34:_zip_error_set_from_source
+35:emmalloc_memalign
+36:_zip_buffer_free
+37:crc32_z
+38:zip_source_free
+39:_zip_buffer_put_16
+40:_zip_buffer_get_16
+41:_zip_buffer_get
+42:strlen
+43:out
+44:pad
+45:fiprintf
+46:_zip_source_call
+47:_zip_buffer_put_32
+48:_tr_flush_block
+49:zip_source_seek
+50:_zip_string_free
+51:_zip_buffer_new
+52:_zip_buffer_get_32
+53:zip_strerror
+54:zip_error_init
+55:zip_source_read
+56:_zip_ef_free
+57:_zip_buffer_set_offset
+58:_zip_buffer_put_64
+59:adler32_z
+60:_zip_buffer_left
+61:_zip_buffer_get_64
+62:__syscall_ret
+63:zip_source_tell_write
+64:zip_source_stat
+65:zip_source_make_command_bitmap
+66:zip_source_close
+67:fwrite
+68:buffer_free
+69:_zip_write
+70:zip_stat_init
+71:strchr
+72:_zip_guess_encoding
+73:_zip_dirent_free
+74:_zip_buffer_offset
+75:__wasi_syscall_ret
+76:zip_error_to_data
+77:zip_error_fini
+78:strcmp
+79:fmt_u
+80:flush_pending
+81:fclose
+82:crc32
+83:_zip_buffer_put
+84:_zip_buffer_new_from_source
+85:__memcpy
+86:zip_close
+87:umask
+88:remove
+89:memcmp
+90:fflush
+91:emmalloc_realloc
+92:buffer_new
+93:_zip_string_get
+94:_zip_error_copy
+95:_zip_dirent_clone
+96:_zip_cdir_free
+97:_zip_buffer_eof
+98:_tr_flush_bits
+99:zip_source_tell
+100:zip_source_open
+101:tolower
+102:open
+103:hash_resize
+104:fill_window
+105:_zip_string_new
+106:_zip_string_length
+107:_zip_progress_update
+108:_zip_get_dirent
+109:_zip_ef_new
+110:_zip_dirent_write
+111:_zip_dirent_init
+112:_tr_stored_block
+113:zip_source_rollback_write
+114:zip_source_layered
+115:zip_source_keep
+116:zip_source_error
+117:zip_open
+118:vfiprintf
+119:strcpy
+120:stat
+121:siprintf
+122:memchr
+123:inflate_table
+124:hash_string
+125:fputc
+126:fopen
+127:decrypt
+128:close
+129:build_tree
+130:attempt_allocate
+131:abort
+132:_zip_unchange_data
+133:_zip_u2d_time
+134:_zip_read_data
+135:_zip_read
+136:_zip_get_name
+137:_zip_get_encryption_implementation
+138:_zip_fseek
+139:_zip_file_get_offset
+140:_zip_entry_finalize
+141:_zip_ef_get_by_id
+142:_zip_dirent_finalize
+143:_zip_checkcons
+144:_zip_allocate_new
+145:__towrite
+146:__strerror_l
+147:__memset
+148:__fwritex
+149:__ftello
+150:__fseeko_unlocked
+151:zipfile_to_fs
+152:zip_stat_index
+153:zip_source_seek_write
+154:zip_source_seek_compute_offset
+155:zip_source_layered_create
+156:zip_source_function_create
+157:zip_source_file_create
+158:zip_source_file
+159:zip_source_decompress
+160:zip_source_crc
+161:zip_source_buffer
+162:zip_set_file_compression
+163:zip_recursively
+164:zip_file_add
+165:zip_error_to_str
+166:zip_error_strerror
+167:zip_discard
+168:zError
+169:wctomb
+170:strdup
+171:snprintf
+172:send_tree
+173:safe_create_dir
+174:printf_core
+175:pop_arg
+176:longest_match
+177:init_block.llvm.13708832007047381696
+178:getint
+179:frexp
+180:fread
+181:ferror
+182:emmalloc_calloc
+183:deflate_stored
+184:deflateEnd
+185:context_free
+186:compression_source_new
+187:compress_block
+188:claim_more_memory
+189:chmod
+190:buffer_seek
+191:buffer_grow_fragments
+192:buffer_find_fragment
+193:allocate
+194:_zip_string_write
+195:_zip_string_equal
+196:_zip_string_crc32
+197:_zip_stat_merge
+198:_zip_source_zip_new
+199:_zip_source_window_new
+200:_zip_source_new
+201:_zip_read_string
+202:_zip_progress_end
+203:_zip_name_locate
+204:_zip_hash_delete
+205:_zip_hash_add
+206:_zip_fseek_u
+207:_zip_file_replace
+208:_zip_error_clear
+209:_zip_entry_init
+210:_zip_ef_write
+211:_zip_ef_utf8
+212:_zip_ef_size
+213:_zip_ef_remove_internal
+214:_zip_ef_parse
+215:_zip_ef_merge
+216:_zip_dirent_read
+217:_zip_dirent_process_ef_utf_8
+218:_zip_dirent_needs_zip64
+219:_zip_cdir_new
+220:_zip_cdir_grow
+221:_zip_buffer_put_8
+222:_zip_buffer_get_8
+223:__vfprintf_internal
+224:__tzset
+225:__time
+226:__overflow
+227:__ftello_unlocked
+228:__fstatat
+229:__fseeko
+230:__fdopen
+231:zipfile_add
+232:zip_to_fs
+233:zip_source_pkware
+234:zip_from_fs
+235:zcfree
+236:zcalloc
+237:window_read
+238:strcasecmp
+239:start
+240:sn_write
+241:read_file
+242:read_data
+243:process
+244:pop_arg_long_double
+245:pkware_decrypt
+246:main
+247:libzip_destroy
+248:input
+249:get_changes_mtime_ms
+250:fmt_fp
+251:end_of_input
+252:end
+253:emmalloc_malloc
+254:demangling_terminate_handler\28\29
+255:deflate_slow
+256:deflate_fast
+257:decompress_allocate
+258:deallocate
+259:crc_read
+260:compression_flags
+261:compress_callback
+262:compress_allocate
+263:action_terminate
+264:action_abort
+265:abort_message
+266:_emscripten_timeout
+267:_emscripten_tempret_set
+268:_emscripten_stack_alloc
+269:__wasm_call_ctors
+270:__stdio_write
+271:__stdio_seek
+272:__stdio_read
+273:__stdio_close
+274:__pthread_mutex_lock
+275:__funcs_on_exit
+276:__emscripten_stdout_seek

src/assets/scripts/scripts.js

@@ -2,11 +2,14 @@
 /****************************************************************************
  * It's Eric Woodward's Site
  *
- * Copyright 2014-2024 Eric Woodward
+ * Copyright 2014-2025 Eric Woodward
  * Source released under CC0 Public Domain License v1.0
  * https://www.itsericwoodward.com/licenses/cc0/
  * http://creativecommons.org/publicdomain/zero/1.0/
  ****************************************************************************/
+import backgroundScroller from './backgroundScroller.js';
+import themeSwitcher from './themeSwitcher.js';
+
 export default (() => {
 	// we load this library via "module" to guarantee baseline ES6 functionality
 
@@ -51,119 +54,9 @@ export default (() => {
 
 			actionBox.setAttribute("open", "true");
 
-			/** THEME SWITCHER */
+			themeSwitcher(actionBox);
 
-			// load last theme
+			backgroundScroller(actionBox);
-			const currentTheme = Cookies.get("currentTheme") ?? "";
-
-			const themeSwitch = document.createElement("div");
-			themeSwitch.innerHTML = [
-				'<label class="themeSwitch" for="themeSwitch">',
-				'<div class="themeSwitch-description">',
-				"Theme",
-				"</div>",
-				'<select id="themeSwitch" name="themeSwitch">',
-				`<option value="" ${
-					currentTheme === "" ? "selected" : ""
-				}>Default</option>`,
-				`<option value="themeAdmiral" ${
-					currentTheme === "themeAdmiral" ? "selected" : ""
-				}>Admiral</option>`,
-				`<option value="themeAntsy92" ${
-					currentTheme === "themeAntsy92" ? "selected" : ""
-				}>Antsy92</option>`,
-				`<option value="themeBingo" ${
-					currentTheme === "themeBingo" ? "selected" : ""
-				}>Bingo</option>`,
-				`<option value="themeCyber77" ${
-					currentTheme === "themeCyber77" ? "selected" : ""
-				}>Cyber77</option>`,
-				`<option value="themeLightCyan" ${
-					currentTheme === "themeLightCyan" ? "selected" : ""
-				}>LightCyan</option>`,
-				`<option value="themeTerminalGreen" ${
-					currentTheme === "themeTerminalGreen" ? "selected" : ""
-				}>Terminal Green</option>`,
-				`<option value="themeVagabond" ${
-					currentTheme === "themeVagabond" ? "selected" : ""
-				}>Vagabond</option>`,
-				"</label>",
-			].join("\n");
-			themeSwitch.classList.add("js-themeSwitch", "themeSwitch");
-			if (currentTheme)
-				document
-					.getElementsByTagName("body")[0]
-					.classList.add(currentTheme);
-
-			actionBox.append(themeSwitch);
-
-			// add toggle event
-			document
-				.getElementById("themeSwitch")
-				.addEventListener("change", function (e) {
-					const body = document.getElementsByTagName("body")[0];
-					body.className = body.className
-						.split(/\s/)
-						.filter((val) => !val.startsWith("theme"))
-						.concat(e.target.value)
-						.join(" ");
-					Cookies.set("currentTheme", e.target.value);
-				});
-
-			/** SCROLLING BACKGROUND */
-
-			// default to no scrolling on devices under 600 px w
-			const isMobile = window.matchMedia(
-				"only screen and (max-width: 600px)"
-			).matches;
-
-			// add background scrolling
-			const hasScrollToggle =
-				Cookies.get("scrollToggle") === true ||
-				Cookies.get("scrollToggle") === "true" ||
-				(Cookies.get("scrollToggle") === undefined && !isMobile);
-
-			const scrollToggle = document.createElement("div");
-			scrollToggle.innerHTML = [
-				'<label class="toggleSwitch" for="scrollingToggle">',
-				'<div class="toggleSwitch-description">',
-				"Background",
-				"</div>",
-				`<input class="toggleSwitch-checkbox" ${
-					hasScrollToggle ? "checked" : ""
-				} type="checkbox" id="scrollingToggle" />`,
-				'<div class="toggleSwitch-status" data-ts-on="SCROLLING" data-ts-off="STATIC"></div>',
-				"</label>",
-			].join("\n");
-			scrollToggle.classList.add("js-scrollToggle", "scrollToggle");
-
-			actionBox.append(scrollToggle);
-			actionBox.classList.add("js-actionBox");
-
-			const actionBoxTitle = document.createElement("summary");
-			actionBoxTitle.innerHTML =
-				"<h3 class='actionBox-title'>Settings</h3>";
-			actionBox.append(actionBoxTitle);
-
-			// add toggle event
-			document
-				.getElementById("scrollingToggle")
-				.addEventListener("click", function (e) {
-					const theList =
-						document.getElementById("gridContainer").classList;
-
-					theList.toggle("js-isAnimated");
-					Cookies.set(
-						"scrollToggle",
-						!!theList.contains("js-isAnimated")
-					);
-				});
-
-			// add class if active at startup
-			if (hasScrollToggle)
-				document
-					.getElementById("gridContainer")
-					.classList.add("js-isAnimated");
 
 			if (document.documentElement.className.indexOf("is404") > -1) {
 				document.getElementById("searchQuery").value =

src/assets/scripts/themeSwitcher.js

@@ -0,0 +1,76 @@
+// @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt CC0-1.0
+/****************************************************************************
+ * It's Eric Woodward's Site
+ *
+ * Copyright 2014-2025 Eric Woodward
+ * Source released under CC0 Public Domain License v1.0
+ * https://www.itsericwoodward.com/licenses/cc0/
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ ****************************************************************************/
+
+/**
+ * Execute returned function to add theme switching
+ */
+export default (actionBox) => {
+    if (!window.Cookies) return;
+
+    // load last theme
+    const currentTheme = Cookies.get("currentTheme") ?? "";
+
+    const themeSwitch = document.createElement("div");
+    themeSwitch.innerHTML = [
+        '<label class="themeSwitch" for="themeSwitch">',
+        '<div class="themeSwitch-description">',
+        "Theme",
+        "</div>",
+        '<select id="themeSwitch" name="themeSwitch">',
+        `<option value="" ${
+            currentTheme === "" ? "selected" : ""
+        }>Default</option>`,
+        `<option value="themeAdmiral" ${
+            currentTheme === "themeAdmiral" ? "selected" : ""
+        }>Admiral</option>`,
+        `<option value="themeAntsy92" ${
+            currentTheme === "themeAntsy92" ? "selected" : ""
+        }>Antsy92</option>`,
+        `<option value="themeBingo" ${
+            currentTheme === "themeBingo" ? "selected" : ""
+        }>Bingo</option>`,
+        `<option value="themeCyber77" ${
+            currentTheme === "themeCyber77" ? "selected" : ""
+        }>Cyber77</option>`,
+        `<option value="themeLightCyan" ${
+            currentTheme === "themeLightCyan" ? "selected" : ""
+        }>LightCyan</option>`,
+        `<option value="themeTerminalGreen" ${
+            currentTheme === "themeTerminalGreen" ? "selected" : ""
+        }>Terminal Green</option>`,
+        `<option value="themeVagabond" ${
+            currentTheme === "themeVagabond" ? "selected" : ""
+        }>Vagabond</option>`,
+        "</label>",
+    ].join("\n");
+
+    themeSwitch.classList.add("js-themeSwitch", "themeSwitch");
+
+    if (currentTheme)
+        document
+            .getElementsByTagName("body")[0]
+            .classList.add(currentTheme);
+
+    actionBox.append(themeSwitch);
+
+    // add toggle event
+    document
+        .getElementById("themeSwitch")
+        .addEventListener("change", function (e) {
+            const body = document.getElementsByTagName("body")[0];
+            body.className = body.className
+                .split(/\s/)
+                .filter((val) => !val.startsWith("theme"))
+                .concat(e.target.value)
+                .join(" ");
+            Cookies.set("currentTheme", e.target.value);
+        });
+}
+// @license-end

src/assets/styles/styles.css

@@ -662,6 +662,16 @@ samp {
 	margin: 0.5em;
 }
 
+.dosboxScreen {
+	margin: 1rem 0;
+	width: 100%;
+}
+
+.dosboxScreen > div > div > .relative > .flex {
+	background-color: #000;
+	padding: .5rem;
+}
+
 .embed {
 	display: block;
 	margin: 1em auto;
@@ -1720,3 +1730,42 @@ samp {
 		display: inherit;
 	}
 }
+
+/****************************************************************************
+ * CHIM / JS-DOS Pages Only
+ ****************************************************************************/
+
+#jsChimDb {
+    width: 100%;
+    height: 24em;
+}
+
+#jsChimDb a {
+    color: #049c74;
+}
+
+#jsChimDb a:hover {
+    color: #040308;
+}
+
+#jsChimDb a:hover:visited {
+    color: #040308;
+}
+
+#jsChimDb a:visited {
+    color: #1e6e58;
+}
+
+#jsChimDb .dosbox-canvas {
+    display: block;
+    margin: auto;
+}
+
+.dosbox-overlay, .dosbox-loader {
+    background-color: #111;
+    background-color: rgba(3,3,3,.7);
+}
+
+.dosbox-start {
+	color: #049c74;    
+}

src/layouts/partials/top.ejs

@@ -12,7 +12,7 @@
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta http-equiv="Content-Security-Policy"
-    content="<%- site.csp %>" />
+    content="<%- page.csp ? page.csp : site.csp %>" />
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
 
   <!-- LEARN MORE:
@@ -48,7 +48,7 @@
   <link rel="icon" type="image/png" sizes="192x192"  href="/images/favicons/android-icon-192x192.png">
   <link rel="icon" type="image/png" sizes="32x32" href="/images/favicons/favicon-32x32.png">
   <link rel="icon" type="image/png" sizes="96x96" href="/images/favicons/favicon-96x96.png">
-  <link rel="icon" type="image/png" sizes="16x16" href="/images/favicons/favicon-16x16.png">
+  <link rel="icon" type="image/png" sizes="16x16" href="/images/favicons/favicon.png">
   <link rel="manifest" href="/manifest.json">
   <meta name="msapplication-TileColor" content="#9aa8bc">
   <meta name="msapplication-TileImage" content="/images/favicons/ms-icon-144x144.png">

src/pages/chim/index.md

@@ -6,7 +6,9 @@ license: CC0
 section: games
 subsection: chim
 content_type: feature
+csp: "default-src 'self' data:; img-src 'self' https://*; media-src 'self' https://* data:; script-src 'self' 'unsafe-eval' 'unsafe-inline'; style-src 'self' 'unsafe-inline'; worker-src 'self' blob:;"
 ---
+
 <style type='text/css'>
   a code {
     background-color: transparent;
@@ -22,65 +24,37 @@ content_type: feature
   a:visited code {
     color: #1e6e58;
   }
-  #jsChimDb a {
-    color: #049c74;
-  }
-  #jsChimDb a:hover {
-    color: #040308;
-  }
-  #jsChimDb a:hover:visited {
-    color: #040308;
-  }
-  #jsChimDb a:visited {
-    color: #1e6e58;
-  }
-
-  #jsChimDb .dosbox-canvas {
-    display: block;
-    margin: auto;
-  }
-  .btnFullscreen {
-    background-color: #111;
-    background-color: rgba(3,3,3,.7);
-    color: #049c74 !important;
-    display: block;
-    margin: .5em auto;
-    padding: .5em;
-  }
-  .dosbox-overlay, .dosbox-loader {
-    background-color: #111;
-    background-color: rgba(3,3,3,.7);
-  }
-  .dosbox-start {
-    color: #049c74;    
-  }
 </style>
 
 In 1997, I released my first (and, so far, only) computer game, **Camp Happy Island Massacre**, a comedy-horror text game for the DOS operating system. Originally written while I was still in college, the game is about a cursed summer camp and the 3 surviving counselors who try to stop a horrific force before it claims them.
 
 If you have a functional DOS machine (or an emulator, like [DOSBox](https://www.dosbox.com/)), you can download the game in a [ZIP file](/files/chim/chim.zip), which contains the following files:
 
-+ [`CHIM.EXE`](/files/chim/chim.exe) *(the main executable file)*
+- [`CHIM.EXE`](/files/chim/chim.exe) _(the main executable file)_
-+ [`CHIM.FAQ`](/files/chim/chim.faq) *(list of frequently asked questions)*
+- [`CHIM.FAQ`](/files/chim/chim.faq) _(list of frequently asked questions)_
-+ [`FILE_ID.DIZ`](/files/chim/file_id.diz) *(ZIP file descriptor)*
+- [`FILE_ID.DIZ`](/files/chim/file_id.diz) _(ZIP file descriptor)_
-+ [`INTRO.TXT`](/files/chim/intro.txt) *(the intro screen)*
+- [`INTRO.TXT`](/files/chim/intro.txt) _(the intro screen)_
-+ [`LICENSE.TXT`](/files/chim/license.txt) *(the distribution license)*
+- [`LICENSE.TXT`](/files/chim/license.txt) _(the distribution license)_
-+ [`MAP.TXT`](/files/chim/map.txt) *(a text map of the island)*
+- [`MAP.TXT`](/files/chim/map.txt) _(a text map of the island)_
 
 And now, thanks to [DOSBox](https://www.dosbox.com/), [Emscripten](http://emscripten.org/), and their unholy lovechild, [JS-DOS](https://js-dos.com/), you can play **Camp Happy Island Massacre** in your browser:
 
-<div id="jsChimDb"></div>
+<div class="dosboxScreen" id="jsChimDb"></div>
-<button class="btnFullscreen" onclick="chim_db.requestFullScreen();">Open in Fullscreen</button>
 
-<script type="text/javascript" src="./js-dos-api.js"></script>
+<!-- js-dos style sheet -->
-<script type="text/javascript">
+<link rel="stylesheet" href="/scripts/lib/js-dos/js-dos.css">
-  var chim_db = new Dosbox({
+<link rel="stylesheet" href="/styles/imports.css" type="text/css" />
-    id: "jsChimDb",
+<link rel="stylesheet" href="/styles/fonts.css" type="text/css" />
-    onload: function (chim_db) {
+<link rel="stylesheet" href="/styles/styles.css" type="text/css" />
-      chim_db.run("/chim/chim-exe.zip", "./CHIM.EXE");
+
-    },
+<!-- js-dos -->
-    onrun: function (chim_db, app) {
+<script src="/scripts/lib/js-dos/js-dos.js"></script>
-      console.log("App '" + app + "' is running!");
+
-    }
+<script>
+    Dos(document.getElementById("jsChimDb"), {
+        pathPrefix: '/scripts/lib/js-dos/',
+        theme: 'dark',
+        thinSidebar: true,
+        url: "./chim.jsdos",
     });
 </script>