Output Macintosh boot beep as a WAVE file.

gistfile1.js

/**
 * Runs the bootbeepASM methods and then converts the audio data to a WAVE file.
 * @returns {Buffer} a Buffer containing the contents of a WAVE file.
 */
var bootbeep = function() {
  // 22050 Hz is an approximation of the Mac's 370 * 60.15 Hz = 22255.5 Hz.
  var writer = new WaveWriter(1.5, 22050, 8);
  var samples = bootbeepASM();
  console.log("Copying samples to WAVE.");
  var i = 0;
  var sample = 0;
  do {
    if ((i * 2) < samples.length) {
      sample = (samples.readUInt8(i * 2) / 128) - 1.0;
    }
    i++;
  } while (writer.writeSample(sample));
  writer.close();
  return writer.buffer();
};

Parse.Cloud.define('bootbeep', function(request, response) {
  response.success(bootbeep().toString('base64'));
});