<game name="zero" cloneof="defender" romof="defender" sourcefile="pre90s/d_williams.cpp">
  <comment>Bootleg</comment>
  <description>Zero (bootleg of Defender, set 1)</description>
  <year>1980</year>
  <manufacturer>bootleg (Jeutel)</manufacturer>
  <rom name="zero-15" size="4096" crc="706a24bd"/>
  <rom name="zero-16" size="4096" crc="a79213b2"/>
  <rom name="zero-17" size="4096" crc="25287eca"/>
  <rom name="zero-21" size="4096" crc="7ca35cfd"/>
  <rom name="zero-20" size="4096" crc="0757967f"/>
  <rom name="zero-19" size="4096" crc="f2bef850"/>
  <rom name="zero-18" size="4096" crc="e99d5679"/>
  <rom name="video_sound_rom_1.ic12" merge="video_sound_rom_1.ic12" size="2048" crc="fefd5b48"/>
  <video type="raster" orientation="horizontal" width="292" height="240" aspectx="4" aspecty="3"/>
  <driver status="preliminary"/>
</game>