This is Ran no Jidai v2.0. You must have Barbarian Invasion 1.6 or Eras Pack installed before installing the mod. Download the mod, open the archive with Winrar or 7zip, and launch the installer. Be sure to install the mod into "...\Rome - Total War\bi" folder.
the -ne tag in the shortcut prevents fullscreen
Make sure to delete the map.rwm file or it won't work.