SEQ_CONTROL
#define SEQ_EXPRESSION(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_EXPRESSION, value*128)
#define SEQ_MAIN_VOLUME(dev, voice, value) SEQ_CONTROL(dev, voice, CTL_MAIN_VOLUME, (value*16383)/100)
#define SEQ_PANNING(dev, voice, pos) SEQ_CONTROL(dev, voice, CTL_PAN, (pos+128) / 2)
s->lzma2.sequence = SEQ_CONTROL;
s->lzma2.sequence = SEQ_CONTROL;
s->lzma2.sequence = SEQ_CONTROL;
case SEQ_CONTROL: