8bitworkshop/gen/chunk-FYLLZUOK.js.map

{
  "version": 3,
  "sources": ["../node_modules/file-saver/src/FileSaver.js", "../src/common/recorder.ts", "../src/platform/_index.ts"],
  "sourcesContent": ["/*\n* FileSaver.js\n* A saveAs() FileSaver implementation.\n*\n* By Eli Grey, http://eligrey.com\n*\n* License : https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md (MIT)\n* source  : http://purl.eligrey.com/github/FileSaver.js\n*/\n\n// The one and only way of getting global scope in all environments\n// https://stackoverflow.com/q/3277182/1008999\nvar _global = typeof window === 'object' && window.window === window\n  ? window : typeof self === 'object' && self.self === self\n  ? self : typeof global === 'object' && global.global === global\n  ? global\n  : this\n\nfunction bom (blob, opts) {\n  if (typeof opts === 'undefined') opts = { autoBom: false }\n  else if (typeof opts !== 'object') {\n    console.warn('Deprecated: Expected third argument to be a object')\n    opts = { autoBom: !opts }\n  }\n\n  // prepend BOM for UTF-8 XML and text/* types (including HTML)\n  // note: your browser will automatically convert UTF-16 U+FEFF to EF BB BF\n  if (opts.autoBom && /^\\s*(?:text\\/\\S*|application\\/xml|\\S*\\/\\S*\\+xml)\\s*;.*charset\\s*=\\s*utf-8/i.test(blob.type)) {\n    return new Blob([String.fromCharCode(0xFEFF), blob], { type: blob.type })\n  }\n  return blob\n}\n\nfunction download (url, name, opts) {\n  var xhr = new XMLHttpRequest()\n  xhr.open('GET', url)\n  xhr.responseType = 'blob'\n  xhr.onload = function () {\n    saveAs(xhr.response, name, opts)\n  }\n  xhr.onerror = function () {\n    console.error('could not download file')\n  }\n  xhr.send()\n}\n\nfunction corsEnabled (url) {\n  var xhr = new XMLHttpRequest()\n  // use sync to avoid popup blocker\n  xhr.open('HEAD', url, false)\n  try {\n    xhr.send()\n  } catch (e) {}\n  return xhr.status >= 200 && xhr.status <= 299\n}\n\n// `a.click()` doesn't work for all browsers (#465)\nfunction click (node) {\n  try {\n    node.dispatchEvent(new MouseEvent('click'))\n  } catch (e) {\n    var evt = document.createEvent('MouseEvents')\n    evt.initMouseEvent('click', true, true, window, 0, 0, 0, 80,\n                          20, false, false, false, false, 0, null)\n    node.dispatchEvent(evt)\n  }\n}\n\n// Detect WebView inside a native macOS app by ruling out all browsers\n// We just need to check for 'Safari' because all other browsers (besides Firefox) include that too\n// https://www.whatismybrowser.com/guides/the-latest-user-agent/macos\nvar isMacOSWebView = _global.navigator && /Macintosh/.test(navigator.userAgent) && /AppleWebKit/.test(navigator.userAgent) && !/Safari/.test(navigator.userAgent)\n\nvar saveAs = _global.saveAs || (\n  // probably in some web worker\n  (typeof window !== 'object' || window !== _global)\n    ? function saveAs () { /* noop */ }\n\n  // Use download attribute first if possible (#193 Lumia mobile) unless this is a macOS WebView\n  : ('download' in HTMLAnchorElement.prototype && !isMacOSWebView)\n  ? function saveAs (blob, name, opts) {\n    var URL = _global.URL || _global.webkitURL\n    var a = document.createElement('a')\n    name = name || blob.name || 'download'\n\n    a.download = name\n    a.rel = 'noopener' // tabnabbing\n\n    // TODO: detect chrome extensions & packaged apps\n    // a.target = '_blank'\n\n    if (typeof blob === 'string') {\n      // Support regular links\n      a.href = blob\n      if (a.origin !== location.origin) {\n        corsEnabled(a.href)\n          ? download(blob, name, opts)\n          : click(a, a.target = '_blank')\n      } else {\n        click(a)\n      }\n    } else {\n      // Support blobs\n      a.href = URL.createObjectURL(blob)\n      setTimeout(function () { URL.revokeObjectURL(a.href) }, 4E4) // 40s\n      setTimeout(function () { click(a) }, 0)\n    }\n  }\n\n  // Use msSaveOrOpenBlob as a second approach\n  : 'msSaveOrOpenBlob' in navigator\n  ? function saveAs (blob, name, opts) {\n    name = name || blob.name || 'download'\n\n    if (typeof blob === 'string') {\n      if (corsEnabled(blob)) {\n        download(blob, name, opts)\n      } else {\n        var a = document.createElement('a')\n        a.href = blob\n        a.target = '_blank'\n        setTimeout(function () { click(a) })\n      }\n    } else {\n      navigator.msSaveOrOpenBlob(bom(blob, opts), name)\n    }\n  }\n\n  // Fallback to using FileReader and a popup\n  : function saveAs (blob, name, opts, popup) {\n    // Open a popup immediately do go around popup blocker\n    // Mostly only available on user interaction and the fileReader is async so...\n    popup = popup || open('', '_blank')\n    if (popup) {\n      popup.document.title =\n      popup.document.body.innerText = 'downloading...'\n    }\n\n    if (typeof blob === 'string') return download(blob, name, opts)\n\n    var force = blob.type === 'application/octet-stream'\n    var isSafari = /constructor/i.test(_global.HTMLElement) || _global.safari\n    var isChromeIOS = /CriOS\\/[\\d]+/.test(navigator.userAgent)\n\n    if ((isChromeIOS || (force && isSafari) || isMacOSWebView) && typeof FileReader !== 'undefined') {\n      // Safari doesn't allow downloading of blob URLs\n      var reader = new FileReader()\n      reader.onloadend = function () {\n        var url = reader.result\n        url = isChromeIOS ? url : url.replace(/^data:[^;]*;/, 'data:attachment/file;')\n        if (popup) popup.location.href = url\n        else location = url\n        popup = null // reverse-tabnabbing #460\n      }\n      reader.readAsDataURL(blob)\n    } else {\n      var URL = _global.URL || _global.webkitURL\n      var url = URL.createObjectURL(blob)\n      if (popup) popup.location = url\n      else location.href = url\n      popup = null // reverse-tabnabbing #460\n      setTimeout(function () { URL.revokeObjectURL(url) }, 4E4) // 40s\n    }\n  }\n)\n\n_global.saveAs = saveAs.saveAs = saveAs\n\nif (typeof module !== 'undefined') {\n  module.exports = saveAs;\n}\n", "\nimport { Platform, EmuState, EmuControlsState, EmuRecorder } from \"./baseplatform\";\nimport { getNoiseSeed, setNoiseSeed } from \"./emu\";\n\n// RECORDER\n\ntype FrameRec = {controls:EmuControlsState, seed:number};\n\nexport class StateRecorderImpl implements EmuRecorder {\n  \n    checkpointInterval : number = 10;\n    callbackStateChanged : () => void;\n    callbackNewCheckpoint : (state:EmuState) => void;\n    maxCheckpoints : number = 300;\n    \n    platform : Platform;\n    checkpoints : EmuState[];\n    framerecs : FrameRec[];\n    frameCount : number;\n    lastSeekFrame : number;\n    lastSeekStep : number;\n    lastStepCount : number;\n    \n    constructor(platform : Platform) {\n        this.reset();\n        this.platform = platform;\n    }\n\n    reset() {\n        this.checkpoints = [];\n        this.framerecs = [];\n        this.frameCount = 0;\n        this.lastSeekFrame = 0;\n        this.lastSeekStep = 0;\n        this.lastStepCount = 0;\n        if (this.callbackStateChanged) this.callbackStateChanged();\n    }\n\n    frameRequested() : boolean {\n        var controls = {\n          controls:this.platform.saveControlsState(),\n          seed:getNoiseSeed()\n        };\n        var requested = false;\n        // are we replaying? then we don't need to save a frame, just replace controls\n        if (this.lastSeekFrame < this.frameCount) {\n            this.loadControls(this.lastSeekFrame);\n        } else {\n            // record the control state, if available\n            if (this.platform.saveControlsState) {\n                this.framerecs.push(controls);\n            }\n            // time to save next frame?\n            requested = (this.frameCount++ % this.checkpointInterval) == 0;\n        }\n        this.lastSeekFrame++;\n        this.lastSeekStep = 0;\n        if (this.callbackStateChanged) this.callbackStateChanged();\n        return requested;\n    }\n    \n    numFrames() : number {\n        return this.frameCount;\n    }\n    \n    currentFrame() : number {\n        return this.lastSeekFrame;\n    }\n\n    currentStep() : number {\n      return this.lastSeekStep;\n  }\n\n    recordFrame(state : EmuState) {\n        this.checkpoints.push(state);\n        if (this.callbackNewCheckpoint) this.callbackNewCheckpoint(state);\n        // checkpoints full?\n        if (this.checkpoints.length > this.maxCheckpoints) {\n            this.checkpoints.shift(); // remove 1st checkpoint\n            this.framerecs = this.framerecs.slice(this.checkpointInterval);\n            this.lastSeekFrame -= this.checkpointInterval;\n            this.frameCount -= this.checkpointInterval;\n            if (this.callbackStateChanged) this.callbackStateChanged();\n        }\n    }\n\n    getStateAtOrBefore(frame : number) : {frame : number, state : EmuState} {\n        // initial frame?\n        if (frame <= 0 && this.checkpoints.length > 0)\n          return {frame:0, state:this.checkpoints[0]};\n\n        var bufidx = Math.floor(frame / this.checkpointInterval);\n        var foundidx = bufidx < this.checkpoints.length ? bufidx : this.checkpoints.length-1;\n        var foundframe = foundidx * this.checkpointInterval;\n        return {frame:foundframe, state:this.checkpoints[foundidx]};\n    }\n\n    loadFrame(seekframe : number, seekstep? : number) : number {\n        seekframe |= 0;\n        seekstep |= 0;\n        if (seekframe == this.lastSeekFrame && seekstep == this.lastSeekStep) {\n            return seekframe; // already set to this frame\n        }\n        // TODO: what if < 1?\n        let {frame,state} = this.getStateAtOrBefore(seekframe-1);\n        if (state) {\n            var numSteps = 0;\n            this.platform.pause();\n            this.platform.loadState(state);\n            // seek to frame index\n            while (frame < seekframe) {\n                if (frame < this.framerecs.length) {\n                    this.loadControls(frame);\n                }\n                frame++;\n                numSteps = this.platform.advance(frame < seekframe); // TODO: infinite loop?\n            }\n            // TODO: if first frame, we must figure out # of steps\n            if (frame == 0) {\n              numSteps = this.platform.advance(true);\n              this.platform.loadState(state);\n            }\n            // seek to step index\n            // TODO: what if advance() returns clocks, but steps use insns?\n            if (seekstep > 0 && this.platform.advanceFrameClock) { \n              seekstep = this.platform.advanceFrameClock(null, seekstep);\n            }\n            // record new values\n            this.lastSeekFrame = seekframe;\n            this.lastSeekStep = seekstep;\n            this.lastStepCount = numSteps;\n            return seekframe;\n        } else {\n            return -1;\n        }\n    }\n    \n    loadControls(frame : number) {\n        if (this.platform.loadControlsState)\n            this.platform.loadControlsState(this.framerecs[frame].controls);\n        setNoiseSeed(this.framerecs[frame].seed);\n    }\n    \n    getLastCheckpoint() : EmuState {\n        return this.checkpoints.length && this.checkpoints[this.checkpoints.length-1];\n    }\n}\n\n", "// hard-code platform files for esbuild code-splitting\n\nexport function importPlatform(name: string) : Promise<any> {\n    switch (name) {\n      case \"apple2\": return import(\"../platform/apple2\");\n      case \"arm32\": return import(\"../platform/arm32\");\n      case \"astrocade\": return import(\"../platform/astrocade\");\n      case \"atari7800\": return import(\"../platform/atari7800\");\n      case \"atari8\": return import(\"../platform/atari8\");\n      case \"basic\": return import(\"../platform/basic\");\n      case \"c64\": return import(\"../platform/c64\");\n      case \"coleco\": return import(\"../platform/coleco\");\n      case \"cpc\": return import(\"../platform/cpc\");\n      case \"devel\": return import(\"../platform/devel\");\n      case \"galaxian\": return import(\"../platform/galaxian\");\n      case \"kim1\": return import(\"../platform/kim1\");\n      case \"markdown\": return import(\"../platform/markdown\");\n      case \"msx\": return import(\"../platform/msx\");\n      case \"mw8080bw\": return import(\"../platform/mw8080bw\");\n      case \"nes\": return import(\"../platform/nes\");\n      case \"script\": return import(\"../platform/script\");\n      case \"sms\": return import(\"../platform/sms\");\n      case \"sound_konami\": return import(\"../platform/sound_konami\");\n      case \"sound_williams\": return import(\"../platform/sound_williams\");\n      case \"vcs\": return import(\"../platform/vcs\");\n      case \"vector\": return import(\"../platform/vector\");\n      case \"vectrex\": return import(\"../platform/vectrex\");\n      case \"verilog\": return import(\"../platform/verilog\");\n      case \"vic20\": return import(\"../platform/vic20\");\n      case \"vicdual\": return import(\"../platform/vicdual\");\n      case \"williams\": return import(\"../platform/williams\");\n      case \"x86\": return import(\"../platform/x86\");\n      case \"zmachine\": return import(\"../platform/zmachine\");\n      case \"zx\": return import(\"../platform/zx\");\n      default: throw new Error(`Platform not recognized: '${name}'`)\n    }\n  }\n  \n  "],
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