code: function bits( x ) {
  	var b;
  
  	// Convert the input value to a bit string:
  	b = div2( x );
  
  	// Left pad the bit string to ensure 8 bits are represented:
  	b = lpad( b, NBITS, '0' );
  
  	return b;
  }
docs: BITS // 
  FUNCTION: bits( x )
  Returns a string giving the literal bit representation of an unsigned 8-bit integer.
  
  @param {Number} x - input value
  @returns {String} bit representation