hi fullmetal!
first, excuse my bad english!
what u looking for are the maps from ro? ok the maps u can find in the data.grf in your ro files! u can open the data.grf with a tool! this tool is easy to find! just google for "grf extractor" or something in this way! when u extract the gat (that are the maps!!!!) files from ur data grf u can open them with another tool from
the second one in the list is what u need! try it out!
hope i could help!
greetz Angel