current_volume   1412 dev/isa/gus.c  	bus_space_write_1(iot, ioh2, GUS_DATA_HIGH, sc->sc_voc[voice].current_volume >> 4);
current_volume   1488 dev/isa/gus.c  	sc->sc_voc[voice].current_volume = gusvol;
current_volume    128 dev/isa/gusvar.h 	int current_volume;	/* Current position of volume on volume ramp */