gngeo : 
 . Mathieu PEPONAS <pepone@altern.org>

68000 Emulation :
 . Starscream 680x0 emulation library by Neill Corlett
   (corlett@elwha.nrrc.ncsu.edu)
 . 68k core from the generator genesis emulator by James Ponder

Z80 Emulation :
 . Raze by Richard Mitton.
 . Z80 Mame core from the Mame project.

YM2610 emulation:
 . Tatsuyuki Satoh
