taglinefilesource code
prev_vol589drivers/sound/gus_wave.cunsigned        vol, prev_vol, phase;
prev_vol610drivers/sound/gus_wave.cprev_vol = voices[voice].current_volume;
prev_vol611drivers/sound/gus_wave.cgus_voice_volume (prev_vol);
prev_vol624drivers/sound/gus_wave.cif (((vol - prev_vol) / 64) == 0)  /* 
prev_vol634drivers/sound/gus_wave.cif (vol > prev_vol)