Grand_Theft_Auto_Chinatown_Wars_USA_SAVEFIX_READNFO_NDS-iND
http://www.sendspace.com/file/qyxjon
Readme:
Put your rom into dir, named as xpa-gtac.nds.
Run xpa-gtac.bat, it will generate a savefixed rom.
It still doesn't work on all carts! But it works on some such as R4, M3 real etc.
-i
Cheers