direct_sound_struct direct_sound_channel[2];
gbc_sound_struct gbc_sound_channel[4];
-#if defined(GP2X_BUILD) || defined(TAVI_BUILD)
u32 sound_frequency = 44100;
-#else
-u32 sound_frequency = 44100;
-#endif
SDL_AudioSpec sound_settings;
SDL_mutex *sound_mutex;