<game name="segagfx" sourcefile="sms/d_sms.cpp">
  <comment>Prototype</comment>
  <description>Sega Graphic Board (Japan, Prototype v2.0)</description>
  <year>1987</year>
  <manufacturer>Sega</manufacturer>
  <rom name="Sega Graphic Board (Japan, Proto v2.0)(1987)(Sega).sms" size="32768" crc="276aa542"/>
  <video type="raster" orientation="horizontal" width="256" height="192" aspectx="4" aspecty="3"/>
  <driver status="good"/>
</game>