// values for graphics engine customization
int graphics_engine_version;
+ boolean use_native_bd_graphics_engine;
boolean use_native_emc_graphics_engine;
boolean use_native_sp_graphics_engine;
boolean use_masked_pushing;
int scroll_delay_value;
int tile_size;
+ // values for sound engine customization
+ boolean use_native_bd_sound_engine;
+
// constant within running game
int engine_version;
int emulation;