late starter req mod for neo-geo usa/jap text

hi there!
i have just got a neo-geo cart system and i have been told ther is a mod i can do that will change the text from usa to jap so that the blood in games will be red as it should be.
can someone let me know how to do this please?
many thanks

Check this site:
<a href="http://nickthfury.cjb.net/" target="_blank">http://nickthfury.cjb.net/</a>
Neo Geo section.
Also check <a href="http://www.gamesx.com/importmod/neocart5060.htm" target="_blank">http://www.gamesx.com/importmod/neocart5060.htm</a>

I'm not really sure if this is what you are looking for. Good luck anyway.