Prism.languages['nand2tetris-hdl'] = {
  comment: /\/\/.*|\/\*[\s\S]*?(?:\*\/|$)/,
  keyword: /\b(?:BUILTIN|CHIP|CLOCKED|IN|OUT|PARTS)\b/,
  boolean: /\b(?:false|true)\b/,
  function: /\b[A-Za-z][A-Za-z0-9]*(?=\()/,
  number: /\b\d+\b/,
  operator: /=|\.\./,
  punctuation: /[{}[\];(),:]/,
};