23 …efine LIMITVALUE(x, a, b) do { if ((x) < (a)) (x) = (a); else if ((x) > (b)) (x) = (b); } while (0)
24 #define LIMITMAX(x, a) do {if ((x) > (a)) (x) = (a); } while (0)
69 	for (i = 0; i < nvoices; i++) {  in snd_emux_note_on()
75 #if 0 // seems not necessary  in snd_emux_note_on()
77 	terminate_note1(emu, key, chan, 0);  in snd_emux_note_on()
81 	for (i = 0; i < nvoices; i++) {  in snd_emux_note_on()
90 		if (vp == NULL || vp->ch < 0)  in snd_emux_note_on()
112 			if (emu->ops.prepare(vp) >= 0)  in snd_emux_note_on()
118 	for (i = 0; i < emu->max_voices; i++) {  in snd_emux_note_on()
134 			fx->flag[EMUX_FX_SAMPLE_START] = 0;  in snd_emux_note_on()
135 			fx->flag[EMUX_FX_COARSE_SAMPLE_START] = 0;  in snd_emux_note_on()
162 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_note_off()
196 	int ch, do_again = 0;  in snd_emux_timer_callback()
199 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_timer_callback()
214 		emu->timer_active = 0;  in snd_emux_timer_callback()
239 	for (ch = 0; ch < emu->max_voices; ch++) {  in snd_emux_key_press()
270 	for (i = 0; i < emu->max_voices; i++) {  in snd_emux_update_channel()
297 	for (i = 0; i < emu->max_voices; i++) {  in snd_emux_update_port()
336 			snd_emux_send_effect(port, chan, EMUX_FX_CUTOFF, 0,  in snd_emux_control()
371 	for (i = 0; i < emu->max_voices; i++) {  in terminate_note1()
413 	for (i = 0; i < emu->max_voices; i++) {  in snd_emux_terminate_all()
416 			terminate_voice(emu, vp, 0);  in snd_emux_terminate_all()
423 		vp->time = 0;  in snd_emux_terminate_all()
426 	emu->use_time = 0;  in snd_emux_terminate_all()
450 	for (i = 0; i < emu->max_voices; i++) {  in snd_emux_sounds_off_all()
454 			terminate_voice(emu, vp, 0);  in snd_emux_sounds_off_all()
478 	for (i = 0; i < emu->max_voices; i++) {  in exclusive_note_off()
482 			terminate_voice(emu, vp, 0);  in exclusive_note_off()
530 #if 0 // not used
533 	0xEAC0, 0xE0C8, 0xD740, 0xCE20, 0xC560, 0xBD08, 0xB500, 0xAD58,
534 	0xA5F8, 0x9EF0, 0x9830, 0x91C0, 0x8B90, 0x85A8, 0x8000, 0x7A90
538 #define LO_BYTE(v)	((v) & 0xff)
539 #define HI_BYTE(v)	(((v) >> 8) & 0xff)
570 	if (LO_BYTE(parm->modatkhld) >= 0x80 && parm->moddelay >= 0x8000) {  in setup_voice()
571 		parm->moddelay = 0xbfff;  in setup_voice()
573 		if (pitch > 0xffff)  in setup_voice()
574 			pitch = 0xffff;  in setup_voice()
577 		LIMITVALUE(vp->ftarget, 0, 255);  in setup_voice()
586 	if (pitch != 0xffff) {  in setup_voice()
588 		if (pitch & 0x800) vp->ptarget += (vp->ptarget*0x102e)/0x2710;  in setup_voice()
589 		if (pitch & 0x400) vp->ptarget += (vp->ptarget*0x764)/0x2710;  in setup_voice()
590 		if (pitch & 0x200) vp->ptarget += (vp->ptarget*0x389)/0x2710;  in setup_voice()
592 		if (vp->ptarget > 0xffff) vp->ptarget = 0xffff;  in setup_voice()
594 		vp->ptarget = 0xffff;  in setup_voice()
596 	if (LO_BYTE(parm->modatkhld) >= 0x80) {  in setup_voice()
597 		parm->modatkhld &= ~0xff;  in setup_voice()
598 		parm->modatkhld |= 0x7f;  in setup_voice()
602 	vp->vtarget = 0;  in setup_voice()
603 #if 0 /* FIXME: this leads to some clicks.. */  in setup_voice()
604 	if (LO_BYTE(parm->volatkhld) >= 0x80 && parm->voldelay >= 0x8000) {  in setup_voice()
605 		parm->voldelay = 0xbfff;  in setup_voice()
606 		vp->vtarget = voltarget[vp->avol % 0x10] >> (vp->avol >> 4);  in setup_voice()
610 	if (LO_BYTE(parm->volatkhld) >= 0x80) {  in setup_voice()
611 		parm->volatkhld &= ~0xff;  in setup_voice()
612 		parm->volatkhld |= 0x7f;  in setup_voice()
620 0x00,0x03,0x06,0x09,0x0c,0x0f,0x12,0x14,0x17,0x1a,0x1d,0x20,0x22,0x25,0x28,0x2a,
621 0x2d,0x30,0x32,0x35,0x37,0x3a,0x3c,0x3f,0x41,0x44,0x46,0x49,0x4b,0x4d,0x50,0x52,
622 0x54,0x57,0x59,0x5b,0x5d,0x60,0x62,0x64,0x66,0x68,0x6a,0x6c,0x6f,0x71,0x73,0x75,
623 0x77,0x79,0x7b,0x7c,0x7e,0x80,0x82,0x84,0x86,0x88,0x89,0x8b,0x8d,0x8f,0x90,0x92,
624 0x94,0x96,0x97,0x99,0x9a,0x9c,0x9e,0x9f,0xa1,0xa2,0xa4,0xa5,0xa7,0xa8,0xaa,0xab,
625 0xad,0xae,0xaf,0xb1,0xb2,0xb3,0xb5,0xb6,0xb7,0xb9,0xba,0xbb,0xbc,0xbe,0xbf,0xc0,
626 0xc1,0xc2,0xc3,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xcb,0xcc,0xcd,0xce,0xcf,0xd0,0xd1,
627 0xd2,0xd3,0xd4,0xd5,0xd6,0xd7,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xdc,0xdd,0xde,0xdf,
628 0xdf,0xe0,0xe1,0xe2,0xe2,0xe3,0xe4,0xe4,0xe5,0xe6,0xe6,0xe7,0xe8,0xe8,0xe9,0xe9,
629 0xea,0xeb,0xeb,0xec,0xec,0xed,0xed,0xee,0xee,0xef,0xef,0xf0,0xf0,0xf1,0xf1,0xf1,
630 0xf2,0xf2,0xf3,0xf3,0xf3,0xf4,0xf4,0xf5,0xf5,0xf5,0xf6,0xf6,0xf6,0xf7,0xf7,0xf7,
631 0xf7,0xf8,0xf8,0xf8,0xf9,0xf9,0xf9,0xf9,0xf9,0xfa,0xfa,0xfa,0xfa,0xfb,0xfb,0xfb,
632 0xfb,0xfb,0xfc,0xfc,0xfc,0xfc,0xfc,0xfc,0xfc,0xfd,0xfd,0xfd,0xfd,0xfd,0xfd,0xfd,
633 0xfd,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,0xfe,
634 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
635 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
644 	/* pan & loop start (pan 8bit, MSB, 0:right, 0xff:left) */  in calc_pan()
645 	if (vp->reg.fixpan > 0)	/* 0-127 */  in calc_pan()
649 		if (vp->reg.pan >= 0) /* 0-127 */  in calc_pan()
653 	LIMITVALUE(pan, 0, 255);  in calc_pan()
659 			if (pan == 0)  in calc_pan()
660 				vp->aaux = 0xff;  in calc_pan()
662 				vp->aaux = (-pan) & 0xff;  in calc_pan()
665 			return 0;  in calc_pan()
673 		return 0;  in calc_pan()
682  * So volume becomes maximum when avol is 0 (no attenuation), and
688    0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63,
689    0x63, 0x2b, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22,
690    0x21, 0x20, 0x1f, 0x1e, 0x1e, 0x1d, 0x1c, 0x1b, 0x1b, 0x1a,
691    0x19, 0x19, 0x18, 0x17, 0x17, 0x16, 0x16, 0x15, 0x15, 0x14,
692    0x14, 0x13, 0x13, 0x13, 0x12, 0x12, 0x11, 0x11, 0x11, 0x10,
693    0x10, 0x10, 0x0f, 0x0f, 0x0f, 0x0e, 0x0e, 0x0e, 0x0e, 0x0d,
694    0x0d, 0x0d, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0b, 0x0b, 0x0b,
695    0x0b, 0x0a, 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x09, 0x09, 0x09,
696    0x08, 0x08, 0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x06,
697    0x06, 0x06, 0x06, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x04,
698    0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03, 0x02,
699    0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01,
700    0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
704    0x32, 0x31, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x2a,
705    0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x24, 0x23, 0x22, 0x21,
706    0x21, 0x20, 0x1f, 0x1e, 0x1e, 0x1d, 0x1c, 0x1c, 0x1b, 0x1a,
707    0x1a, 0x19, 0x19, 0x18, 0x18, 0x17, 0x16, 0x16, 0x15, 0x15,
708    0x14, 0x14, 0x13, 0x13, 0x13, 0x12, 0x12, 0x11, 0x11, 0x10,
709    0x10, 0x10, 0x0f, 0x0f, 0x0f, 0x0e, 0x0e, 0x0e, 0x0d, 0x0d,
710    0x0d, 0x0c, 0x0c, 0x0c, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a, 0x0a,
711    0x0a, 0x0a, 0x09, 0x09, 0x09, 0x09, 0x09, 0x08, 0x08, 0x08,
712    0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x07, 0x06, 0x06, 0x06,
713    0x06, 0x06, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05,
714    0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03,
715    0x03, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01,
716    0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00
720    0x7f, 0x6c, 0x62, 0x5a, 0x54, 0x50, 0x4b, 0x48, 0x45, 0x42,
721    0x40, 0x3d, 0x3b, 0x39, 0x38, 0x36, 0x34, 0x33, 0x31, 0x30,
722    0x2f, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25,
723    0x24, 0x24, 0x23, 0x22, 0x21, 0x21, 0x20, 0x1f, 0x1e, 0x1e,
724    0x1d, 0x1d, 0x1c, 0x1b, 0x1b, 0x1a, 0x1a, 0x19, 0x18, 0x18,
725    0x17, 0x17, 0x16, 0x16, 0x15, 0x15, 0x15, 0x14, 0x14, 0x13,
726    0x13, 0x12, 0x12, 0x11, 0x11, 0x11, 0x10, 0x10, 0x0f, 0x0f,
727    0x0f, 0x0e, 0x0e, 0x0e, 0x0d, 0x0d, 0x0d, 0x0c, 0x0c, 0x0c,
728    0x0b, 0x0b, 0x0b, 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x09, 0x09,
729    0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x06, 0x06, 0x06,
730    0x06, 0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03,
731    0x03, 0x03, 0x03, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01,
732    0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
749 	LIMITVALUE(expression_vol, 0, 127);  in calc_volume()
751 		/* 0 - 127 */  in calc_volume()
756 		LIMITVALUE(vol, 0, 127);  in calc_volume()
763 		LIMITVALUE(main_vol, 0, 127);  in calc_volume()
768 		vol += ((0x100 - vol) * expressiontab[expression_vol])/128;  in calc_volume()
772 	LIMITVALUE(master_vol, 0, 127);  in calc_volume()
783 	LIMITVALUE(vol, 0, 255);  in calc_volume()
785 		return 0; /* value unchanged */  in calc_volume()
789 	    && LO_BYTE(vp->reg.parm.volatkhld) < 0x7d) {  in calc_volume()
795 		vp->acutoff = (atten * vp->reg.parm.cutoff + 0xa0) >> 7;  in calc_volume()
806  * 0xE000 is no pitch offset at 44100Hz sample.
817 	if (vp->reg.fixkey >= 0) {  in calc_pitch()
824 	if (chan->midi_pitchbend != 0) {  in calc_pitch()
846 	/* 0xe000: root pitch */  in calc_pitch()
847 	offset += 0xe000 + vp->reg.rate_offset;  in calc_pitch()
849 	LIMITVALUE(offset, 0, 0xffff);  in calc_pitch()
851 		return 0; /* unchanged */  in calc_pitch()
921 	for (i = 0; i < emu->max_voices; i++) {  in snd_emux_init_voices()
927 		vp->time = 0;  in snd_emux_init_voices()