# File lib/archive/support/time.rb, line 11
  def to_dos_time
    dos_sec  = sec/2
    dos_year = year - 1980
    dos_year = 0   if dos_year < 0
    dos_year = 119 if dos_year > 119

    DOSTime.new(
      (dos_sec       ) |
      (min      <<  5) |
      (hour     << 11) |
      (day      << 16) |
      (month    << 21) |
      (dos_year << 25)
    )
  end