disclaimer:
no warranty of any kind, use at your own risk. 
This program is guaranteed to do nothing but
taking disk space. Don't blame me if it damages
your computer, or erases your hard drive, etc. 
Using copyrighted roms with this emulator is 
ILLEGAL, especially if you don't own the real
cartridge. If you choose to do so, that is
your responsibility.

The included roms are public domain 
wich means that they are LEGAL.