index.js
function() {
		if ( this.interval ) {
			// once is enough
			return;
		}

		var self = this;
		this.interval = setInterval( function() {
			if ( !self.paused) {
				self.runFrame();
			}
		}, 1000 / 60 );

		this.output.video.run();

		this.running = true;
		this.paused = false;
	}
function() {
		if ( this.interval ) {
			// once is enough
			return;
		}

		var self = this;
		this.interval = setInterval( function() {
			if ( !self.paused) {
				self.runFrame();
			}
		}, 1000 / 60 );

		this.output.video.run();

		this.running = true;
		this.paused = false;
	}
function ( ) { if ( this . interval ) { // once is enough return ; } var self = this ; this . interval = setInterval ( function ( ) { if ( ! self . paused ) { self . runFrame ( ) ; } } , 1000 / 60 ) ; this . output . video . run ( ) ; this . running = true ; this . paused = false ; }
Turn on and run emulator.
Turn on and run emulator .