diff --git a/src/common/util.ts b/src/common/util.ts
index 13c358a3..b5a44282 100644
--- a/src/common/util.ts
+++ b/src/common/util.ts
@@ -701,3 +701,15 @@ export function replaceAll(s:string, search:string, replace:string) : string {
   if (search == '') return s;
   return s.split(search).join(replace);
 }
+
+export function getCookie(name: string) : string {
+  var nameEQ = name + "=";
+  var ca = document.cookie.split(';');
+  for(var i=0;i < ca.length;i++) {
+      var c = ca[i];
+      while (c.charAt(0)==' ') c = c.substring(1,c.length);
+      if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
+  }
+  return null;
+}
+
diff --git a/src/ide/analytics.ts b/src/ide/analytics.ts
new file mode 100644
index 00000000..f399bedc
--- /dev/null
+++ b/src/ide/analytics.ts
@@ -0,0 +1,14 @@
+
+declare var ga;
+
+export function gaEvent(category: string, action: string, label?: string, value?: string) {
+    if (window['ga']) {
+        ga('send', 'event', category, action, label, value);
+    }
+}
+
+export function gaPageView(page: string) {
+    if (window['ga']) {
+        ga('send', 'pageview', page);
+    }
+}
diff --git a/src/ide/dialogs.ts b/src/ide/dialogs.ts
new file mode 100644
index 00000000..3ef50b88
--- /dev/null
+++ b/src/ide/dialogs.ts
@@ -0,0 +1,34 @@
+import DOMPurify from "dompurify";
+
+export function setWaitDialog(b: boolean) {
+    if (b) {
+        setWaitProgress(0);
+        $("#pleaseWaitModal").modal('show');
+    } else {
+        setWaitProgress(1);
+        $("#pleaseWaitModal").modal('hide');
+    }
+}
+
+export function setWaitProgress(prog: number) {
+    $("#pleaseWaitProgressBar").css('width', (prog * 100) + '%').show();
+}
+
+export function alertError(s: string) {
+    setWaitDialog(false);
+    bootbox.alert({
+        title: '<span class="glyphicon glyphicon-alert" aria-hidden="true"></span> Alert',
+        message: DOMPurify.sanitize(s)
+    });
+}
+
+export function alertInfo(s: string) {
+    setWaitDialog(false);
+    bootbox.alert(DOMPurify.sanitize(s));
+}
+
+export function fatalError(s: string) {
+    alertError(s);
+    throw new Error(s);
+}
+
diff --git a/src/ide/shareexport.ts b/src/ide/shareexport.ts
new file mode 100644
index 00000000..38f3394b
--- /dev/null
+++ b/src/ide/shareexport.ts
@@ -0,0 +1,290 @@
+import { OutputSoundFile, TAPFile } from '../common/audio/CommodoreTape';
+import { byteArrayToString, compressLZG, getBasePlatform, getFilenameForPath, getFilenamePrefix, loadScript } from '../common/util';
+import { alertError, alertInfo, setWaitDialog, setWaitProgress } from './dialogs';
+import { getCurrentEditorFilename, getCurrentMainFilename, getCurrentOutput, getCurrentProject, getPlatformStore, getWorkerParams, platform, platform_id, projectWindows } from './ui';
+import { saveAs } from "file-saver";
+
+declare var GIF;
+
+export function _shareEmbedLink(e) {
+    if (getCurrentOutput() == null) {
+        alertError("Please fix errors before sharing.");
+        return true;
+    }
+    if (!(getCurrentOutput() instanceof Uint8Array)) {
+        alertError("Can't share a Verilog executable yet. (It's not actually a ROM...)");
+        return true;
+    }
+    loadClipboardLibrary();
+    loadScript('lib/liblzg.js').then(() => {
+        // TODO: Module is bad var name (conflicts with MAME)
+        var lzgrom = compressLZG(window['Module'], Array.from(<Uint8Array>getCurrentOutput()));
+        window['Module'] = null; // so we load it again next time
+        var lzgb64 = btoa(byteArrayToString(lzgrom));
+        var embed = {
+            p: platform_id,
+            //n: current_project.mainPath,
+            r: lzgb64
+        };
+        var linkqs = $.param(embed);
+        var fulllink = get8bitworkshopLink(linkqs, 'player.html');
+        var iframelink = '<iframe width=640 height=600 src="' + fulllink + '">';
+        $("#embedLinkTextarea").text(fulllink);
+        $("#embedIframeTextarea").text(iframelink);
+        $("#embedLinkModal").modal('show');
+        $("#embedAdviceWarnAll").hide();
+        $("#embedAdviceWarnIE").hide();
+        if (fulllink.length >= 65536) $("#embedAdviceWarnAll").show();
+        else if (fulllink.length >= 5120) $("#embedAdviceWarnIE").show();
+    });
+    return true;
+}
+
+function loadClipboardLibrary() {
+    // can happen in background because it won't be used until user clicks
+    console.log('clipboard');
+    import('clipboard').then((clipmod) => {
+        let ClipboardJS = clipmod.default;
+        new ClipboardJS(".btn");
+    });
+}
+
+function get8bitworkshopLink(linkqs: string, fn: string) {
+    console.log(linkqs);
+    var loc = window.location;
+    var prefix = loc.pathname.replace('index.html', '');
+    var protocol = (loc.host == '8bitworkshop.com') ? 'https:' : loc.protocol;
+    var fulllink = protocol + '//' + loc.host + prefix + fn + '?' + linkqs;
+    return fulllink;
+}
+
+function _downloadCassetteFile_apple2(e) {
+    var addr = getWorkerParams()?.code_start;
+    loadScript('lib/c2t.js').then(() => {
+        var stdout = '';
+        var print_fn = function (s) { stdout += s + "\n"; }
+        var c2t = window['c2t']({
+            noInitialRun: true,
+            print: print_fn,
+            printErr: print_fn
+        });
+        var FS = c2t['FS'];
+        var rompath = getCurrentMainFilename() + ".bin";
+        var audpath = getCurrentMainFilename() + ".wav";
+        FS.writeFile(rompath, getCurrentOutput(), { encoding: 'binary' });
+        var args = ["-2bc", rompath + ',' + addr.toString(16), audpath];
+        c2t.callMain(args);
+        var audout = FS.readFile(audpath, { 'encoding': 'binary' });
+        if (audout) {
+            var blob = new Blob([audout], { type: "audio/wav" });
+            saveAs(blob, audpath);
+            stdout += "Then connect your audio output to the cassette input, turn up the volume, and play the audio file.";
+            alertInfo(stdout);
+        }
+    });
+}
+
+export function _downloadCassetteFile_vcs(e) {
+    loadScript('lib/makewav.js').then(() => {
+        let stdout = '';
+        let print_fn = function (s) { stdout += s + "\n"; }
+        var prefix = getFilenamePrefix(getCurrentMainFilename());
+        let rompath = prefix + ".bin";
+        let audpath = prefix + ".wav";
+        let _makewav = window['makewav']({
+            noInitialRun: false,
+            print: print_fn,
+            printErr: print_fn,
+            arguments: ['-ts', '-f0', '-v10', rompath],
+            preRun: (mod) => {
+                let FS = mod['FS'];
+                FS.writeFile(rompath, getCurrentOutput(), { encoding: 'binary' });
+            }
+        });
+        _makewav.ready.then((makewav) => {
+            let args = [rompath];
+            makewav.run(args);
+            console.log(stdout);
+            let FS = makewav['FS'];
+            let audout = FS.readFile(audpath, { 'encoding': 'binary' });
+            if (audout) {
+                let blob = new Blob([audout], { type: "audio/wav" });
+                saveAs(blob, audpath);
+                stdout += "\nConnect your audio output to the SuperCharger input, turn up the volume, and play the audio file.";
+                alertInfo(stdout);
+            }
+        });
+    });
+}
+
+function _downloadCassetteFile_c64(e) {
+    var prefix = getFilenamePrefix(getCurrentMainFilename());
+    let audpath = prefix + ".tap";
+    let tapmaker = new TAPFile(prefix);
+    let outfile = new OutputSoundFile({ sine_wave: true });
+    let data = getCurrentOutput();
+    let startAddress = data[0] + data[1] * 256;
+    data = data.slice(2); // remove header
+    tapmaker.setContent({ data, startAddress, type: TAPFile.FILE_TYPE_NON_RELOCATABLE });
+    tapmaker.generateSound(outfile);
+    let tapout = outfile.getTAPData();
+    //let audout = outfile.getSoundData();
+    if (tapout) {
+        //let blob = new Blob([audout], { type: "audio/wav" });
+        let blob = new Blob([tapout], { type: "application/octet-stream" });
+        saveAs(blob, audpath);
+    }
+}
+
+export function _getCassetteFunction() {
+    switch (getBasePlatform(platform_id)) {
+        case 'vcs': return _downloadCassetteFile_vcs;
+        case 'apple2': return _downloadCassetteFile_apple2;
+        case 'c64': return _downloadCassetteFile_c64;
+    }
+}
+
+export function _downloadCassetteFile(e) {
+    if (getCurrentOutput() == null) {
+        alertError("Please fix errors before exporting.");
+        return true;
+    }
+    var fn = _getCassetteFunction();
+    if (fn === undefined) {
+        alertError("Cassette export is not supported on this platform.");
+        return true;
+    }
+    fn(e);
+}
+
+export function _downloadROMImage(e) {
+    if (getCurrentOutput() == null) {
+        alertError("Please finish compiling with no errors before downloading ROM.");
+        return true;
+    }
+    var prefix = getFilenamePrefix(getCurrentMainFilename());
+    if (platform.getDownloadFile) {
+        var dl = platform.getDownloadFile();
+        var prefix = getFilenamePrefix(getCurrentMainFilename());
+        saveAs(dl.blob, prefix + dl.extension);
+    } else if (getCurrentOutput() instanceof Uint8Array) {
+        var blob = new Blob([getCurrentOutput()], { type: "application/octet-stream" });
+        var suffix = (platform.getROMExtension && platform.getROMExtension(getCurrentOutput()))
+            || "-" + getBasePlatform(platform_id) + ".bin";
+        saveAs(blob, prefix + suffix);
+    } else {
+        alertError(`The "${platform_id}" platform doesn't have downloadable ROMs.`);
+    }
+}
+
+export function _downloadSourceFile(e) {
+    var text = projectWindows.getCurrentText();
+    if (!text) return false;
+    var blob = new Blob([text], { type: "text/plain;charset=utf-8" });
+    saveAs(blob, getCurrentEditorFilename(), { autoBom: false });
+}
+
+async function newJSZip() {
+    let JSZip = (await import('jszip')).default;
+    return new JSZip();
+}
+
+export async function _downloadProjectZipFile(e) {
+    var zip = await newJSZip();
+    getCurrentProject().iterateFiles((id, data) => {
+        if (data) {
+            zip.file(getFilenameForPath(id), data);
+        }
+    });
+    zip.generateAsync({ type: "blob" }).then((content) => {
+        saveAs(content, getCurrentMainFilename() + "-" + getBasePlatform(platform_id) + ".zip");
+    });
+}
+
+export function _downloadSymFile(e) {
+    let symfile = platform.getDebugSymbolFile && platform.getDebugSymbolFile();
+    if (!symfile) {
+        alertError("This project does not have debug information.");
+        return;
+    }
+    var prefix = getFilenamePrefix(getCurrentMainFilename());
+    saveAs(symfile.blob, prefix + symfile.extension, { autoBom: false });
+}
+
+export async function _downloadAllFilesZipFile(e) {
+    var zip = await newJSZip();
+    var keys = await getPlatformStore().keys();
+    setWaitDialog(true);
+    try {
+        var i = 0;
+        await Promise.all(keys.map((path) => {
+            return getPlatformStore().getItem(path).then((text) => {
+                setWaitProgress(i++ / (keys.length + 1));
+                if (text) {
+                    zip.file(path, text as any);
+                }
+            });
+        }));
+        var content = await zip.generateAsync({ type: "blob" });
+        saveAs(content, getBasePlatform(platform_id) + "-all.zip");
+    } finally {
+        setWaitDialog(false);
+    }
+}
+
+var recordingVideo = false;
+
+export function _recordVideo() {
+    if (recordingVideo) return;
+    loadScript("lib/gif.js").then(() => {
+        var canvas = $("#emulator").find("canvas")[0] as HTMLElement;
+        if (!canvas) {
+            alertError("Could not find canvas element to record video!");
+            return;
+        }
+        var rotate = 0;
+        if (canvas.style && canvas.style.transform) {
+            if (canvas.style.transform.indexOf("rotate(-90deg)") >= 0)
+                rotate = -1;
+            else if (canvas.style.transform.indexOf("rotate(90deg)") >= 0)
+                rotate = 1;
+        }
+        var gif = new GIF({
+            workerScript: 'lib/gif.worker.js',
+            workers: 4,
+            quality: 10,
+            rotate: rotate
+        });
+        var img = $('#videoPreviewImage');
+        gif.on('progress', (prog) => {
+            setWaitProgress(prog);
+        });
+        gif.on('finished', (blob) => {
+            img.attr('src', URL.createObjectURL(blob));
+            setWaitDialog(false);
+            platform.resume();
+            $("#videoPreviewModal").modal('show');
+        });
+        var intervalMsec = 20;
+        var maxFrames = 300;
+        var nframes = 0;
+        console.log("Recording video", canvas);
+        $("#emulator").css('backgroundColor', '#cc3333');
+        var f = () => {
+            if (nframes++ > maxFrames) {
+                console.log("Rendering video");
+                $("#emulator").css('backgroundColor', 'inherit');
+                setWaitDialog(true);
+                platform.pause();
+                gif.render();
+                recordingVideo = false;
+            } else {
+                gif.addFrame(canvas, { delay: intervalMsec, copy: true });
+                setTimeout(f, intervalMsec);
+                recordingVideo = true;
+            }
+        };
+        f();
+    });
+}
+
diff --git a/src/ide/sync.ts b/src/ide/sync.ts
new file mode 100644
index 00000000..136467c6
--- /dev/null
+++ b/src/ide/sync.ts
@@ -0,0 +1,268 @@
+import DOMPurify from "dompurify";
+import { getCookie, getFilenameForPath, getFilenamePrefix, loadScript } from "../common/util";
+import { gaEvent } from "./analytics";
+import { alertError, alertInfo, setWaitDialog, setWaitProgress } from "./dialogs";
+import { createNewPersistentStore } from "./project";
+import { GHSession, GithubService, getRepos, parseGithubURL } from "./services";
+import { getCurrentMainFilename, getCurrentOutput, getCurrentProject, getPlatformStore, gotoNewLocation, projectWindows, repo_id } from "./ui";
+
+declare var Octokat;
+
+var githubService: GithubService;
+
+export async function getGithubService() {
+    if (!githubService) {
+        // load github API client
+        await loadScript('lib/octokat.js');
+        // load firebase
+        await loadScript('https://www.gstatic.com/firebasejs/8.8.1/firebase-app.js');
+        await loadScript('https://www.gstatic.com/firebasejs/8.8.1/firebase-auth.js');
+        await loadScript('https://8bitworkshop.com/config.js');
+        // get github API key from cookie
+        // TODO: move to service?
+        var ghkey = getCookie('__github_key');
+        githubService = new GithubService(Octokat, ghkey, getPlatformStore(), getCurrentProject());
+        console.log("loaded github service");
+    }
+    return githubService;
+}
+
+export function getBoundGithubURL(): string {
+    var toks = (repo_id || '').split('/');
+    if (toks.length != 2) {
+        alertError("You are not in a GitHub repository. Choose one from the pulldown, or Import or Publish one.");
+        return null;
+    }
+    return 'https://github.com/' + toks[0] + '/' + toks[1];
+}
+
+// GITHUB stuff (TODO: move)
+
+
+export async function importProjectFromGithub(githuburl: string, replaceURL: boolean) {
+    var sess: GHSession;
+    var urlparse = parseGithubURL(githuburl);
+    if (!urlparse) {
+        alertError('Could not parse Github URL.');
+        return;
+    }
+    // redirect to repo if exists
+    var existing = getRepos()[urlparse.repopath];
+    if (existing && !confirm("You've already imported " + urlparse.repopath + " -- do you want to replace all local files?")) {
+        return;
+    }
+    // create new store for imported repository
+    setWaitDialog(true);
+    var newstore = createNewPersistentStore(urlparse.repopath);
+    // import into new store
+    setWaitProgress(0.25);
+    var gh = await getGithubService();
+    return gh.import(githuburl).then((sess1: GHSession) => {
+        sess = sess1;
+        setWaitProgress(0.75);
+        return gh.pull(githuburl, newstore);
+    }).then((sess2: GHSession) => {
+        // TODO: only first session has mainPath?
+        // reload repo
+        setWaitDialog(false);
+        gaEvent('sync', 'import', githuburl);
+        gotoNewLocation(replaceURL, { repo: urlparse.repopath }); // file:sess.mainPath, platform:sess.platform_id};
+    }).catch((e) => {
+        setWaitDialog(false);
+        console.log(e);
+        alertError("Could not import " + githuburl + "." + e);
+    });
+}
+
+export async function _loginToGithub(e) {
+    var gh = await getGithubService();
+    gh.login().then(() => {
+        alertInfo("You are signed in to Github.");
+    }).catch((e) => {
+        alertError("Could not sign in." + e);
+    });
+}
+
+export async function _logoutOfGithub(e) {
+    var gh = await getGithubService();
+    gh.logout().then(() => {
+        alertInfo("You are logged out of Github.");
+    });
+}
+
+export function _importProjectFromGithub(e) {
+    var modal = $("#importGithubModal");
+    var btn = $("#importGithubButton");
+    modal.modal('show');
+    btn.off('click').on('click', () => {
+        var githuburl = $("#importGithubURL").val() + "";
+        modal.modal('hide');
+        importProjectFromGithub(githuburl, false);
+    });
+}
+
+export function _publishProjectToGithub(e) {
+    if (repo_id) {
+        if (!confirm("This project (" + getCurrentProject().mainPath + ") is already bound to a Github repository. Do you want to re-publish to a new repository? (You can instead choose 'Push Changes' to update files in the existing repository.)"))
+            return;
+    }
+    var modal = $("#publishGithubModal");
+    var btn = $("#publishGithubButton");
+    $("#githubRepoName").val(getFilenamePrefix(getFilenameForPath(getCurrentProject().mainPath)));
+    modal.modal('show');
+    btn.off('click').on('click', async () => {
+        var name = $("#githubRepoName").val() + "";
+        var desc = $("#githubRepoDesc").val() + "";
+        var priv = $("#githubRepoPrivate").val() == 'private';
+        var license = $("#githubRepoLicense").val() + "";
+        var sess;
+        if (!name) {
+            alertError("You did not enter a project name.");
+            return;
+        }
+        modal.modal('hide');
+        setWaitDialog(true);
+        var gh = await getGithubService();
+        gh.login().then(() => {
+            setWaitProgress(0.25);
+            return gh.publish(name, desc, license, priv);
+        }).then((_sess) => {
+            sess = _sess;
+            setWaitProgress(0.5);
+            //repo_id = qs.repo = sess.repopath;
+            return pushChangesToGithub('initial import from 8bitworkshop.com');
+        }).then(() => {
+            gaEvent('sync', 'publish', priv ? "" : name);
+            importProjectFromGithub(sess.url, false);
+        }).catch((e) => {
+            setWaitDialog(false);
+            console.log(e);
+            alertError("Could not publish GitHub repository: " + e);
+        });
+    });
+}
+
+export function _pushProjectToGithub(e) {
+    var ghurl = getBoundGithubURL();
+    if (!ghurl) return;
+    var modal = $("#pushGithubModal");
+    var btn = $("#pushGithubButton");
+    modal.modal('show');
+    btn.off('click').on('click', () => {
+        var commitMsg = $("#githubCommitMsg").val() + "";
+        modal.modal('hide');
+        pushChangesToGithub(commitMsg);
+    });
+}
+
+export function _pullProjectFromGithub(e) {
+    var ghurl = getBoundGithubURL();
+    if (!ghurl) return;
+    bootbox.confirm("Pull from repository and replace all local files? Any changes you've made will be overwritten.",
+        async (ok) => {
+            if (ok) {
+                setWaitDialog(true);
+                var gh = await getGithubService();
+                gh.pull(ghurl).then((sess: GHSession) => {
+                    setWaitDialog(false);
+                    projectWindows.updateAllOpenWindows(getPlatformStore());
+                });
+            }
+        });
+}
+
+function confirmCommit(sess): Promise<GHSession> {
+    return new Promise((resolve, reject) => {
+        var files = sess.commit.files;
+        console.log(files);
+        // anything changed?
+        if (files.length == 0) {
+            setWaitDialog(false);
+            alertInfo("No files changed.");
+            return;
+        }
+        // build commit confirm message
+        var msg = "";
+        for (var f of files) {
+            msg += DOMPurify.sanitize(f.filename) + ": " + f.status;
+            if (f.additions || f.deletions || f.changes) {
+                msg += " (" + f.additions + " additions, " + f.deletions + " deletions, " + f.changes + " changes)";
+            };
+            msg += "<br/>";
+        }
+        // show dialog, continue when yes
+        bootbox.confirm(msg, (ok) => {
+            if (ok) {
+                resolve(sess);
+            } else {
+                setWaitDialog(false);
+            }
+        });
+    });
+}
+
+async function pushChangesToGithub(message: string) {
+    var ghurl = getBoundGithubURL();
+    if (!ghurl) return;
+    // build file list for push
+    var files = [];
+    for (var path in getCurrentProject().filedata) {
+        var newpath = getCurrentProject().stripLocalPath(path);
+        var data = getCurrentProject().filedata[path];
+        if (newpath && data) {
+            files.push({ path: newpath, data: data });
+        }
+    }
+    // include built ROM file in bin/[mainfile].rom
+    if (getCurrentOutput() instanceof Uint8Array) {
+        let binpath = "bin/" + getCurrentMainFilename() + ".rom";
+        files.push({ path: binpath, data: getCurrentOutput() });
+    }
+    // push files
+    setWaitDialog(true);
+    var gh = await getGithubService();
+    return gh.login().then(() => {
+        setWaitProgress(0.5);
+        return gh.commit(ghurl, message, files);
+    }).then((sess) => {
+        return confirmCommit(sess);
+    }).then((sess) => {
+        return gh.push(sess);
+    }).then((sess) => {
+        setWaitDialog(false);
+        alertInfo("Pushed files to " + ghurl);
+        return sess;
+    }).catch((e) => {
+        setWaitDialog(false);
+        console.log(e);
+        alertError("Could not push GitHub repository: " + e);
+    });
+}
+
+export function _removeRepository() {
+    var ghurl = getBoundGithubURL();
+    if (!ghurl) return;
+    bootbox.prompt("<p>Are you sure you want to delete this repository (" + DOMPurify.sanitize(ghurl) + ") from browser storage?</p><p>All changes since last commit will be lost.</p><p>Type DELETE to proceed.<p>", (yes) => {
+        if (yes.trim().toUpperCase() == "DELETE") {
+            removeRepository();
+        }
+    });
+}
+
+async function removeRepository() {
+    var ghurl = getBoundGithubURL();
+    setWaitDialog(true);
+    let gh = await getGithubService();
+    let sess = await gh.getGithubSession(ghurl);
+    gh.bind(sess, false);
+    // delete all keys in (repo) storage
+    await getPlatformStore().keys().then((keys: string[]) => {
+        return Promise.all(keys.map((key) => {
+            return getPlatformStore().removeItem(key);
+        }));
+    });
+    setWaitDialog(false);
+    // leave repository
+    gotoNewLocation(false, { repo: '/' });
+}
+
diff --git a/src/ide/ui.ts b/src/ide/ui.ts
index b119acb9..357b85e8 100644
--- a/src/ide/ui.ts
+++ b/src/ide/ui.ts
@@ -9,9 +9,9 @@ import { Platform, Preset, DebugSymbols, DebugEvalCondition, isDebuggable, EmuSt
 import { PLATFORMS, EmuHalt } from "../common/emu";
 import { Toolbar } from "./toolbar";
 import { getFilenameForPath, getFilenamePrefix, highlightDifferences, byteArrayToString, compressLZG, stringToByteArray,
-         byteArrayToUTF8, isProbablyBinary, getWithBinary, getBasePlatform, getRootBasePlatform, hex, loadScript, decodeQueryString, parseBool } from "../common/util";
+         byteArrayToUTF8, isProbablyBinary, getWithBinary, getBasePlatform, getRootBasePlatform, hex, loadScript, decodeQueryString, parseBool, getCookie } from "../common/util";
 import { StateRecorderImpl } from "../common/recorder";
-import { GHSession, GithubService, getRepos, parseGithubURL } from "./services";
+import { getRepos, parseGithubURL } from "./services";
 import Split = require('split.js');
 import { importPlatform } from "../platform/_index";
 import { DisassemblerView, ListingView, PC_LINE_LOOKAHEAD , SourceEditor } from "./views/editors";
@@ -19,13 +19,14 @@ import { AddressHeatMapView, BinaryFileView, MemoryMapView, MemoryView, ProbeLog
 import { AssetEditorView } from "./views/asseteditor";
 import { isMobileDevice } from "./views/baseviews";
 import { CallStackView, DebugBrowserView } from "./views/treeviews";
-import { saveAs } from "file-saver";
 import DOMPurify = require("dompurify");
-import { OutputSoundFile, TAPFile } from "../common/audio/CommodoreTape";
+import { alertError, alertInfo, fatalError, setWaitDialog, setWaitProgress } from "./dialogs";
+import { _importProjectFromGithub, _loginToGithub, _logoutOfGithub, _publishProjectToGithub, _pullProjectFromGithub, _pushProjectToGithub, _removeRepository, importProjectFromGithub } from "./sync";
+import { gaEvent, gaPageView } from "./analytics";
+import { _downloadAllFilesZipFile, _downloadCassetteFile, _downloadProjectZipFile, _downloadROMImage, _downloadSourceFile, _downloadSymFile, _getCassetteFunction, _recordVideo, _shareEmbedLink } from "./shareexport";
 
 // external libs (TODO)
-declare var Tour, GIF, Octokat;
-declare var ga;
+declare var Tour;
 declare var $ : JQueryStatic; // use browser jquery
 
 // query string 
@@ -50,39 +51,33 @@ interface UIQueryString {
   tool?: string;
 }
 
-export var qs : UIQueryString = decodeQueryString(window.location.search||'?') as UIQueryString;
+/// EXPORTED GLOBALS (TODO: remove)
 
-const isElectron = parseBool(qs.electron);
-const isEmbed = parseBool(qs.embed);
-
-/// GLOBALS (TODO: remove)
-
-var PRESETS : Preset[];			// presets array
+export var qs = decodeQueryString(window.location.search||'?') as UIQueryString;
 
 export var platform_id : string;	// platform ID string (platform)
 export var store_id : string;		// store ID string (repo || platform)
 export var repo_id : string;		// repository ID (repo)
 export var platform : Platform;		// emulator object
-var platform_name : string;	// platform name (after setPlatformUI)
-
-var toolbar = $("#controls_top");
-
-var uitoolbar : Toolbar;
-
 export var current_project : CodeProject;	// current CodeProject object
-
 export var projectWindows : ProjectWindows;	// window manager
+export var lastDebugState : EmuState;	// last debug state (object)
 
+// private globals
+
+var compparams;			// received build params from worker
+var platform_name : string;	// platform name (after setPlatformUI)
+var toolbar = $("#controls_top");
+var uitoolbar : Toolbar;
 var stateRecorder : StateRecorderImpl;
-
 var userPaused : boolean;		// did user explicitly pause?
-
 var current_output : any;     // current ROM (or other object)
 var current_preset : Preset;	// current preset object (if selected)
 var store : LocalForage;			// persistent store
 
-export var compparams;			// received build params from worker
-export var lastDebugState : EmuState;	// last debug state (object)
+const isElectron = parseBool(qs.electron);
+const isEmbed = parseBool(qs.embed);
+
 
 type DebugCommandType = null 
   | 'toline' | 'step' | 'stepout' | 'stepover' 
@@ -97,6 +92,19 @@ var lastDebugCommand : DebugCommandType = null;
 var errorWasRuntime = false;
 var lastBreakExpr = "c.PC == 0x6000";
 
+export function getPlatformStore() {
+  return store;
+}
+export function getCurrentProject() {
+  return current_project;
+}
+export function getCurrentOutput() {
+  return current_output;
+}
+export function getWorkerParams() {
+  return compparams;
+}
+
 // TODO: codemirror multiplex support?
 // TODO: move to views.ts?
 const TOOL_TO_SOURCE_STYLE = {
@@ -147,26 +155,6 @@ const TOOL_TO_HELPURL = {
   'acme': 'https://raw.githubusercontent.com/sehugg/acme/main/docs/QuickRef.txt',
 }
 
-function gaEvent(category:string, action:string, label?:string, value?:string) {
-  if (window['ga']) ga('send', 'event', category, action, label, value);
-}
-
-function alertError(s:string) {
-  setWaitDialog(false);
-  bootbox.alert({
-    title: '<span class="glyphicon glyphicon-alert" aria-hidden="true"></span> Alert',
-    message: DOMPurify.sanitize(s)
-  });
-}
-function alertInfo(s:string) {
-  setWaitDialog(false);
-  bootbox.alert(DOMPurify.sanitize(s));
-}
-function fatalError(s:string) {
-  alertError(s);
-  throw new Error(s);
-}
-
 function newWorker() : Worker {
   // TODO: return new Worker("https://8bitworkshop.com.s3-website-us-east-1.amazonaws.com/dev/gen/worker/bundle.js");
   return new Worker("./gen/worker/bundle.js");
@@ -448,7 +436,6 @@ async function loadProject(preset_id:string) {
   userPrefs.setLastPreset(preset_id);
   // load files from storage or web URLs
   var result = await current_project.loadFiles([preset_id]);
-  measureTimeLoad = new Date(); // for timing calc.
   if (result && result.length) {
     // file found; continue
     loadMainWindow(preset_id);
@@ -644,435 +631,14 @@ async function getLocalFilesystem(repoid: string) : Promise<ProjectFilesystem> {
   }
 }
 
-function getCurrentMainFilename() : string {
+export function getCurrentMainFilename() : string {
   return getFilenameForPath(current_project.mainPath);
 }
 
-function getCurrentEditorFilename() : string {
+export function getCurrentEditorFilename() : string {
   return getFilenameForPath(projectWindows.getActiveID());
 }
 
-// GITHUB stuff (TODO: move)
-
-var githubService : GithubService;
-
-function getCookie(name) : string {
-    var nameEQ = name + "=";
-    var ca = document.cookie.split(';');
-    for(var i=0;i < ca.length;i++) {
-        var c = ca[i];
-        while (c.charAt(0)==' ') c = c.substring(1,c.length);
-        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
-    }
-    return null;
-}
-
-async function getGithubService() {
-  if (!githubService) {
-    // load github API client
-    await loadScript('lib/octokat.js');
-    // load firebase
-    await loadScript('https://www.gstatic.com/firebasejs/8.8.1/firebase-app.js');
-    await loadScript('https://www.gstatic.com/firebasejs/8.8.1/firebase-auth.js');
-    await loadScript('https://8bitworkshop.com/config.js');
-    // get github API key from cookie
-    // TODO: move to service?
-    var ghkey = getCookie('__github_key');
-    githubService = new GithubService(Octokat, ghkey, store, current_project);
-    console.log("loaded github service");
-  }
-  return githubService;
-}
-
-function getBoundGithubURL() : string {
-  var toks = (repo_id||'').split('/');
-  if (toks.length != 2) {
-    alertError("You are not in a GitHub repository. Choose one from the pulldown, or Import or Publish one.");
-    return null;
-  }
-  return 'https://github.com/' + toks[0] + '/' + toks[1];
-}
-
-async function importProjectFromGithub(githuburl:string, replaceURL:boolean) {
-  var sess : GHSession;
-  var urlparse = parseGithubURL(githuburl);
-  if (!urlparse) {
-    alertError('Could not parse Github URL.');
-    return;
-  }
-  // redirect to repo if exists
-  var existing = getRepos()[urlparse.repopath];
-  if (existing && !confirm("You've already imported " + urlparse.repopath + " -- do you want to replace all local files?")) {
-    return;
-  }
-  // create new store for imported repository
-  setWaitDialog(true);
-  var newstore = createNewPersistentStore(urlparse.repopath);
-  // import into new store
-  setWaitProgress(0.25);
-  var gh = await getGithubService();
-  return gh.import(githuburl).then( (sess1:GHSession) => {
-    sess = sess1;
-    setWaitProgress(0.75);
-    return gh.pull(githuburl, newstore);
-  }).then( (sess2:GHSession) => {
-    // TODO: only first session has mainPath?
-    // reload repo
-    qs = {repo:sess.repopath}; // file:sess.mainPath, platform:sess.platform_id};
-    setWaitDialog(false);
-    gaEvent('sync', 'import', githuburl);
-    gotoNewLocation(replaceURL);
-  }).catch( (e) => {
-    setWaitDialog(false);
-    console.log(e);
-    alertError("Could not import " + githuburl + "." + e);
-  });
-}
-
-async function _loginToGithub(e) {
-  var gh = await getGithubService();
-  gh.login().then(() => {
-    alertInfo("You are signed in to Github.");
-  }).catch( (e) => {
-    alertError("Could not sign in." + e);
-  });
-}
-
-async function _logoutOfGithub(e) {
-  var gh = await getGithubService();
-  gh.logout().then(() => {
-    alertInfo("You are logged out of Github.");
-  });
-}
-
-function _importProjectFromGithub(e) {
-  var modal = $("#importGithubModal");
-  var btn = $("#importGithubButton");
-  modal.modal('show');
-  btn.off('click').on('click', () => {
-    var githuburl = $("#importGithubURL").val()+"";
-    modal.modal('hide');
-    importProjectFromGithub(githuburl, false);
-  });
-}
-
-function _publishProjectToGithub(e) {
-  if (repo_id) {
-    if (!confirm("This project (" + current_project.mainPath + ") is already bound to a Github repository. Do you want to re-publish to a new repository? (You can instead choose 'Push Changes' to update files in the existing repository.)"))
-      return;
-  }
-  var modal = $("#publishGithubModal");
-  var btn = $("#publishGithubButton");
-  $("#githubRepoName").val(getFilenamePrefix(getFilenameForPath(current_project.mainPath)));
-  modal.modal('show');
-  btn.off('click').on('click', async () => {
-    var name = $("#githubRepoName").val()+"";
-    var desc = $("#githubRepoDesc").val()+"";
-    var priv = $("#githubRepoPrivate").val() == 'private';
-    var license = $("#githubRepoLicense").val()+"";
-    var sess;
-    if (!name) {
-      alertError("You did not enter a project name.");
-      return;
-    }
-    modal.modal('hide');
-    setWaitDialog(true);
-    var gh = await getGithubService();
-    gh.login().then( () => {
-      setWaitProgress(0.25);
-      return gh.publish(name, desc, license, priv);
-    }).then( (_sess) => {
-      sess = _sess;
-      setWaitProgress(0.5);
-      repo_id = qs.repo = sess.repopath;
-      return pushChangesToGithub('initial import from 8bitworkshop.com');
-    }).then( () => {
-      gaEvent('sync', 'publish', priv?"":name);
-      importProjectFromGithub(sess.url, false);
-    }).catch( (e) => {
-      setWaitDialog(false);
-      console.log(e);
-      alertError("Could not publish GitHub repository: " + e);
-    });
-  });
-}
-
-function _pushProjectToGithub(e) {
-  var ghurl = getBoundGithubURL();
-  if (!ghurl) return;
-  var modal = $("#pushGithubModal");
-  var btn = $("#pushGithubButton");
-  modal.modal('show');
-  btn.off('click').on('click', () => {
-    var commitMsg = $("#githubCommitMsg").val()+"";
-    modal.modal('hide');
-    pushChangesToGithub(commitMsg);
-  });
-}
-
-function _pullProjectFromGithub(e) {
-  var ghurl = getBoundGithubURL();
-  if (!ghurl) return;
-  bootbox.confirm("Pull from repository and replace all local files? Any changes you've made will be overwritten.",
-    async (ok) => {
-    if (ok) {
-      setWaitDialog(true);
-      var gh = await getGithubService();
-      gh.pull(ghurl).then( (sess:GHSession) => {
-        setWaitDialog(false);
-        projectWindows.updateAllOpenWindows(store);
-      });
-    }
-  });
-}
-
-function confirmCommit(sess) : Promise<GHSession> {
-  return new Promise( (resolve, reject) => {
-    var files = sess.commit.files;
-    console.log(files);
-    // anything changed?
-    if (files.length == 0) {
-      setWaitDialog(false);
-      alertInfo("No files changed.");
-      return;
-    }
-    // build commit confirm message
-    var msg = "";
-    for (var f of files) {
-      msg += DOMPurify.sanitize(f.filename) + ": " + f.status;
-      if (f.additions || f.deletions || f.changes) {
-        msg += " (" + f.additions + " additions, " + f.deletions + " deletions, " + f.changes + " changes)";
-      };
-      msg += "<br/>";
-    }
-    // show dialog, continue when yes
-    bootbox.confirm(msg, (ok) => {
-      if (ok) {
-        resolve(sess);
-      } else {
-        setWaitDialog(false);
-      }
-    });
-  });
-}
-
-async function pushChangesToGithub(message:string) {
-  var ghurl = getBoundGithubURL();
-  if (!ghurl) return;
-  // build file list for push
-  var files = [];
-  for (var path in current_project.filedata) {
-    var newpath = current_project.stripLocalPath(path);
-    var data = current_project.filedata[path];
-    if (newpath && data) {
-      files.push({path:newpath, data:data});
-    }
-  }
-  // include built ROM file in bin/[mainfile].rom
-  if (current_output instanceof Uint8Array) {
-    let binpath = "bin/"+getCurrentMainFilename()+".rom";
-    files.push({path:binpath, data:current_output});
-  }
-  // push files
-  setWaitDialog(true);
-  var gh = await getGithubService();
-  return gh.login().then( () => {
-    setWaitProgress(0.5);
-    return gh.commit(ghurl, message, files);
-  }).then( (sess) => {
-    return confirmCommit(sess);
-  }).then( (sess) => {
-    return gh.push(sess);
-  }).then( (sess) => {
-    setWaitDialog(false);
-    alertInfo("Pushed files to " + ghurl);
-    return sess;
-  }).catch( (e) => {
-    setWaitDialog(false);
-    console.log(e);
-    alertError("Could not push GitHub repository: " + e);
-  });
-}
-
-function _removeRepository() {
-  var ghurl = getBoundGithubURL();
-  if (!ghurl) return;
-  bootbox.prompt("<p>Are you sure you want to delete this repository (" + DOMPurify.sanitize(ghurl) + ") from browser storage?</p><p>All changes since last commit will be lost.</p><p>Type DELETE to proceed.<p>", (yes) => {
-    if (yes.trim().toUpperCase() == "DELETE") {
-      removeRepository();
-    }
-  });
-}
-
-async function removeRepository() {
-  var ghurl = getBoundGithubURL();
-  setWaitDialog(true);
-  let gh = await getGithubService();
-  let sess = await gh.getGithubSession(ghurl);
-  gh.bind(sess, false);
-  // delete all keys in (repo) storage
-  await store.keys().then((keys:string[]) => {
-    return Promise.all(keys.map((key) => {
-      return store.removeItem(key);
-    }));
-  });
-  setWaitDialog(false);
-  // leave repository
-  qs = {repo:'/'};
-  gotoNewLocation();
-}
-
-function _shareEmbedLink(e) {
-  if (current_output == null) {
-    alertError("Please fix errors before sharing.");
-    return true;
-  }
-  if (!(current_output instanceof Uint8Array)) {
-    alertError("Can't share a Verilog executable yet. (It's not actually a ROM...)");
-    return true;
-  }
-  loadClipboardLibrary();
-  loadScript('lib/liblzg.js').then( () => {
-    // TODO: Module is bad var name (conflicts with MAME)
-    var lzgrom = compressLZG( window['Module'], Array.from(<Uint8Array>current_output) );
-    window['Module'] = null; // so we load it again next time
-    var lzgb64 = btoa(byteArrayToString(lzgrom));
-    var embed = {
-      p: platform_id,
-      //n: current_project.mainPath,
-      r: lzgb64
-    };
-    var linkqs = $.param(embed);
-    var fulllink = get8bitworkshopLink(linkqs, 'player.html');
-    var iframelink = '<iframe width=640 height=600 src="' + fulllink + '">';
-    $("#embedLinkTextarea").text(fulllink);
-    $("#embedIframeTextarea").text(iframelink);
-    $("#embedLinkModal").modal('show');
-    $("#embedAdviceWarnAll").hide();
-    $("#embedAdviceWarnIE").hide();
-    if (fulllink.length >= 65536) $("#embedAdviceWarnAll").show();
-    else if (fulllink.length >= 5120) $("#embedAdviceWarnIE").show();
-  });
-  return true;
-}
-
-function loadClipboardLibrary() {
-  // can happen in background because it won't be used until user clicks
-  console.log('clipboard');
-  import('clipboard').then( (clipmod) => {
-    let ClipboardJS = clipmod.default;
-    new ClipboardJS(".btn");
-  });
-}
-
-function get8bitworkshopLink(linkqs : string, fn : string) {
-  console.log(linkqs);
-  var loc = window.location;
-  var prefix = loc.pathname.replace('index.html','');
-  var protocol = (loc.host == '8bitworkshop.com') ? 'https:' : loc.protocol;
-  var fulllink = protocol + '//' + loc.host + prefix + fn + '?' + linkqs;
-  return fulllink;
-}
-
-function _downloadCassetteFile_apple2(e) {
-  var addr = compparams && compparams.code_start;
-  loadScript('lib/c2t.js').then( () => {
-    var stdout = '';
-    var print_fn = function(s) { stdout += s + "\n"; }
-    var c2t = window['c2t']({
-      noInitialRun:true,
-      print:print_fn,
-      printErr:print_fn
-    });
-    var FS = c2t['FS'];
-    var rompath = getCurrentMainFilename() + ".bin";
-    var audpath = getCurrentMainFilename() + ".wav";
-    FS.writeFile(rompath, current_output, {encoding:'binary'});
-    var args = ["-2bc", rompath+','+addr.toString(16), audpath];
-    c2t.callMain(args);
-    var audout = FS.readFile(audpath, {'encoding':'binary'});
-    if (audout) {
-      var blob = new Blob([audout], {type: "audio/wav"});
-      saveAs(blob, audpath);
-      stdout += "Then connect your audio output to the cassette input, turn up the volume, and play the audio file.";
-      alertInfo(stdout);
-    }
-  });
-}
-
-function _downloadCassetteFile_vcs(e) {
-  loadScript('lib/makewav.js').then( () => {
-    let stdout = '';
-    let print_fn = function(s) { stdout += s + "\n"; }
-    var prefix = getFilenamePrefix(getCurrentMainFilename());
-    let rompath = prefix + ".bin";
-    let audpath = prefix + ".wav";
-    let _makewav = window['makewav']({
-      noInitialRun:false,
-      print:print_fn,
-      printErr:print_fn,
-      arguments:['-ts', '-f0', '-v10', rompath],
-      preRun: (mod) => {
-        let FS = mod['FS'];
-        FS.writeFile(rompath, current_output, {encoding:'binary'});
-      }
-    });
-    _makewav.ready.then((makewav) => {
-      let args = [rompath];
-      makewav.run(args);
-      console.log(stdout);
-      let FS = makewav['FS'];
-      let audout = FS.readFile(audpath, {'encoding':'binary'});
-      if (audout) {
-        let blob = new Blob([audout], {type: "audio/wav"});
-        saveAs(blob, audpath);
-        stdout += "\nConnect your audio output to the SuperCharger input, turn up the volume, and play the audio file.";
-        alertInfo(stdout);
-      }
-    });
-  });
-}
-
-function _downloadCassetteFile_c64(e) {
-  var prefix = getFilenamePrefix(getCurrentMainFilename());
-  let audpath = prefix + ".tap";
-  let tapmaker = new TAPFile(prefix);
-  let outfile = new OutputSoundFile({sine_wave:true});
-  let data = current_output;
-  let startAddress = data[0] + data[1]*256;
-  data = data.slice(2); // remove header
-  tapmaker.setContent({ data, startAddress, type: TAPFile.FILE_TYPE_NON_RELOCATABLE });
-  tapmaker.generateSound(outfile);
-  let tapout = outfile.getTAPData();
-  //let audout = outfile.getSoundData();
-  if (tapout) {
-    //let blob = new Blob([audout], { type: "audio/wav" });
-    let blob = new Blob([tapout], { type: "application/octet-stream" });
-    saveAs(blob, audpath);
-  }
-}
-
-function _getCassetteFunction() {
-  switch (getBasePlatform(platform_id)) {
-    case 'vcs': return _downloadCassetteFile_vcs;
-    case 'apple2': return _downloadCassetteFile_apple2;
-    case 'c64': return _downloadCassetteFile_c64;
-  }
-}
-
-function _downloadCassetteFile(e) {
-  if (current_output == null) {
-    alertError("Please fix errors before exporting.");
-    return true;
-  }
-  var fn = _getCassetteFunction();
-  if (fn === undefined) {
-    alertError("Cassette export is not supported on this platform.");
-    return true;
-  }
-  fn(e);
-}
-
 
 function _revertFile(e) {
   var wnd = projectWindows.getActive();
@@ -1145,84 +711,12 @@ function _renameFile(e) {
   }
 }
 
-function _downloadROMImage(e) {
-  if (current_output == null) {
-    alertError("Please finish compiling with no errors before downloading ROM.");
-    return true;
-  }
-  var prefix = getFilenamePrefix(getCurrentMainFilename());
-  if (platform.getDownloadFile) {
-    var dl = platform.getDownloadFile();
-    var prefix = getFilenamePrefix(getCurrentMainFilename());
-    saveAs(dl.blob, prefix + dl.extension);
-  } else if (current_output instanceof Uint8Array) {
-    var blob = new Blob([current_output], {type: "application/octet-stream"});
-    var suffix = (platform.getROMExtension && platform.getROMExtension(current_output)) 
-      || "-" + getBasePlatform(platform_id) + ".bin";
-    saveAs(blob, prefix + suffix);
-  } else {
-    alertError(`The "${platform_id}" platform doesn't have downloadable ROMs.`);
-  }
-}
 
-function _downloadSourceFile(e) {
-  var text = projectWindows.getCurrentText();
-  if (!text) return false;
-  var blob = new Blob([text], {type:"text/plain;charset=utf-8"});
-  saveAs(blob, getCurrentEditorFilename(), {autoBom:false});
-}
-
-async function newJSZip() {
-  let JSZip = (await import('jszip')).default;
-  return new JSZip();
-}
-
-async function _downloadProjectZipFile(e) {
-  var zip = await newJSZip();
-  current_project.iterateFiles( (id, data) => {
-    if (data) {
-      zip.file(getFilenameForPath(id), data);
-    }
-  });
-  zip.generateAsync({type:"blob"}).then( (content) => {
-    saveAs(content, getCurrentMainFilename() + "-" + getBasePlatform(platform_id) + ".zip");
-  });
-}
-
-function _downloadSymFile(e) {
-  let symfile = platform.getDebugSymbolFile && platform.getDebugSymbolFile();
-  if (!symfile) {
-    alertError("This project does not have debug information.");
-    return;
-  }  
-  var prefix = getFilenamePrefix(getCurrentMainFilename());
-  saveAs(symfile.blob, prefix + symfile.extension, {autoBom:false});
-}
-
-async function _downloadAllFilesZipFile(e) {
-  var zip = await newJSZip();
-  var keys = await store.keys();
-  setWaitDialog(true);
-  try {
-    var i = 0;
-    await Promise.all(keys.map( (path) => {
-      return store.getItem(path).then( (text) => {
-        setWaitProgress(i++/(keys.length+1));
-        if (text) {
-          zip.file(path, text as any);
-        }
-      });
-    }));
-    var content = await zip.generateAsync({type:"blob"});
-    saveAs(content, getBasePlatform(platform_id) + "-all.zip");
-  } finally {
-    setWaitDialog(false);
-  }
-}
 
 function populateExamples(sel) {
   let files = {};
   let optgroup;
+  const PRESETS = platform.getPresets ? platform.getPresets() : [];
   for (var i=0; i<PRESETS.length; i++) {
     var preset = PRESETS[i];
     var name = preset.chapter ? (preset.chapter + ". " + preset.name) : preset.name;
@@ -1349,18 +843,6 @@ function showExceptionAsError(err, msg:string) {
   }
 }
 
-var measureTimeStart : Date = new Date();
-var measureTimeLoad : Date;
-function measureBuildTime() {
-  if (window['ga'] && measureTimeLoad) {
-    var measureTimeBuild = new Date();
-    ga('send', 'timing', 'load', platform_id, (measureTimeLoad.getTime() - measureTimeStart.getTime()));
-    ga('send', 'timing', 'build', platform_id, (measureTimeBuild.getTime() - measureTimeLoad.getTime()));
-    measureTimeLoad = null; // only measure once
-  }
-  //gaEvent('build', platform_id);
-}
-
 async function setCompileOutput(data: WorkerResult) {
   // errors? mark them in editor
   if ('errors' in data && data.errors.length > 0) {
@@ -1388,7 +870,6 @@ async function setCompileOutput(data: WorkerResult) {
         await platform.loadROM(getCurrentPresetTitle(), rom);
         current_output = rom;
         if (!userPaused) _resume();
-        measureBuildTime();
         writeOutputROMFile();
       } catch (e) {
         console.log(e);
@@ -1717,75 +1198,6 @@ function updateDebugWindows() {
   setTimeout(updateDebugWindows, 100);
 }
 
-function setWaitDialog(b : boolean) {
-  if (b) {
-    setWaitProgress(0);
-    $("#pleaseWaitModal").modal('show');
-  } else {
-    setWaitProgress(1);
-    $("#pleaseWaitModal").modal('hide');
-  }
-}
-
-function setWaitProgress(prog : number) {
-  $("#pleaseWaitProgressBar").css('width', (prog*100)+'%').show();
-}
-
-var recordingVideo = false;
-function _recordVideo() {
-  if (recordingVideo) return;
- loadScript("lib/gif.js").then( () => {
-  var canvas = $("#emulator").find("canvas")[0] as HTMLElement;
-  if (!canvas) {
-    alertError("Could not find canvas element to record video!");
-    return;
-  }
-  var rotate = 0;
-  if (canvas.style && canvas.style.transform) {
-    if (canvas.style.transform.indexOf("rotate(-90deg)") >= 0)
-      rotate = -1;
-    else if (canvas.style.transform.indexOf("rotate(90deg)") >= 0)
-      rotate = 1;
-  }
-  var gif = new GIF({
-    workerScript: 'lib/gif.worker.js',
-    workers: 4,
-    quality: 10,
-    rotate: rotate
-  });
-  var img = $('#videoPreviewImage');
-  gif.on('progress', (prog) => {
-    setWaitProgress(prog);
-  });
-  gif.on('finished', (blob) => {
-    img.attr('src', URL.createObjectURL(blob));
-    setWaitDialog(false);
-    _resume();
-    $("#videoPreviewModal").modal('show');
-  });
-  var intervalMsec = 20;
-  var maxFrames = 300;
-  var nframes = 0;
-  console.log("Recording video", canvas);
-  $("#emulator").css('backgroundColor', '#cc3333');
-  var f = () => {
-    if (nframes++ > maxFrames) {
-      console.log("Rendering video");
-      $("#emulator").css('backgroundColor', 'inherit');
-      setWaitDialog(true);
-      _pause();
-      gif.render();
-      recordingVideo = false;
-    } else {
-      gif.addFrame(canvas, {delay: intervalMsec, copy: true});
-      setTimeout(f, intervalMsec);
-      recordingVideo = true;
-    }
-  };
-  f();
- });
-}
-
 export function setFrameRateUI(fps:number) {
   platform.setFrameRate(fps);
   if (fps > 0.01)
@@ -2228,7 +1640,10 @@ function uninstallErrorHandler() {
   window.removeEventListener('unhandledrejection', globalErrorHandler);
 }
 
-function gotoNewLocation(replaceHistory? : boolean) {
+export function gotoNewLocation(replaceHistory? : boolean, newQueryString?: {}) {
+  if (newQueryString) {
+    qs = newQueryString;
+  }
   uninstallErrorHandler();
   if (replaceHistory)
     window.location.replace("?" + $.param(qs));
@@ -2297,7 +1712,7 @@ function installGAHooks() {
         gaEvent('menu', e.target.id);
       }
     });
-    ga('send', 'pageview', location.pathname+'?platform='+platform_id+(repo_id?('&repo='+repo_id):('&file='+qs.file)));
+    gaPageView(location.pathname+'?platform='+platform_id+(repo_id?('&repo='+repo_id):('&file='+qs.file)));
   }
 }
 
@@ -2308,7 +1723,7 @@ async function startPlatform() {
   platform = new PLATFORMS[platform_id](emudiv, options);
   setPlatformUI();
   stateRecorder = new StateRecorderImpl(platform);
-  PRESETS = platform.getPresets ? platform.getPresets() : [];
+  const PRESETS = platform.getPresets ? platform.getPresets() : [];
   if (!qs.file) {
     // try to load last file (redirect)
     var lastid = userPrefs.getLastPreset();
diff --git a/src/ide/views/debugviews.ts b/src/ide/views/debugviews.ts
index 36b6b372..a91e7867 100644
--- a/src/ide/views/debugviews.ts
+++ b/src/ide/views/debugviews.ts
@@ -1,7 +1,7 @@
 
 import { newDiv, ProjectView } from "./baseviews";
 import { Segment } from "../../common/workertypes";
-import { platform, compparams, current_project, projectWindows, runToPC, setupBreakpoint } from "../ui";
+import { platform, current_project, projectWindows, runToPC, setupBreakpoint, getWorkerParams } from "../ui";
 import { hex, lpad, rpad } from "../../common/util";
 import { VirtualList } from "../../common/vlist";
 import { getMousePos, getVisibleEditorLineHeight, VirtualTextLine, VirtualTextScroller } from "../../common/emu";
@@ -52,6 +52,7 @@ export class MemoryView implements ProjectView {
     });
     $(parent).append(this.memorylist.container);
     this.tick();
+    const compparams = getWorkerParams();
     if (compparams && this.dumplines)
       this.scrollToAddress(compparams.data_start);
   }
@@ -151,6 +152,7 @@ export class MemoryView implements ProjectView {
 
   // TODO: use segments list?
   getMemorySegment(a:number) : string {
+    const compparams = getWorkerParams();
     if (compparams) {
       if (a >= compparams.data_start && a < compparams.data_start+compparams.data_size) {
         if (platform.getSP && a >= platform.getSP() - 15)