25  *		byte 3 		- Voice number (0-31)
30  *		Each command affects one voice defined in byte 3.
34  *		_GUS_VOICEON	- Starts voice (P1=voice mode)
35  *		_GUS_VOICEOFF	- Stops voice (no parameters)
36  *		_GUS_VOICEFADE	- Stops the voice smoothly.
37  *		_GUS_VOICEMODE	- Alters the voice mode, don't start or stop voice (P1=voice mode)
38  *		_GUS_VOICEBALA	- Sets voice balance (P1, 0=left, 7=middle and 15=right, default 7)
39  *		_GUS_VOICEFREQ	- Sets voice (sample) playback frequency (P1=Hz)
40  *		_GUS_VOICEVOL	- Sets voice volume (P1=volume, 0xfff=max, 0xeff=half, 0x000=off)
41  *		_GUS_VOICEVOL2	- Sets voice volume (P1=volume, 0xfff=max, 0xeff=half, 0x000=off)
43  *				  volume. It just updates volume in the voice table).
76 #define _GUS_CMD(chn, voice, cmd, p1, p2) \  argument
79 					_seqbuf[_seqbufptr+3] = voice;\
85 #define GUS_VOICESAMPLE(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_VOICESAMPLE, (p1), 0)	/* OBSOLET…  argument
86 #define GUS_VOICEON(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_VOICEON, (p1), 0)  argument
87 #define GUS_VOICEOFF(chn, voice)		_GUS_CMD(chn, voice, _GUS_VOICEOFF, 0, 0)  argument
88 #define GUS_VOICEFADE(chn, voice)		_GUS_CMD(chn, voice, _GUS_VOICEFADE, 0, 0)  argument
89 #define GUS_VOICEMODE(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_VOICEMODE, (p1), 0)  argument
90 #define GUS_VOICEBALA(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_VOICEBALA, (p1), 0)  argument
91 #define GUS_VOICEFREQ(chn, voice, p)		_GUS_CMD(chn, voice, _GUS_VOICEFREQ, \  argument
93 #define GUS_VOICEVOL(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_VOICEVOL, (p1), 0)  argument
94 #define GUS_VOICEVOL2(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_VOICEVOL2, (p1), 0)  argument
95 #define GUS_RAMPRANGE(chn, voice, low, high)	_GUS_CMD(chn, voice, _GUS_RAMPRANGE, (low), (high))  argument
96 #define GUS_RAMPRATE(chn, voice, p1, p2)	_GUS_CMD(chn, voice, _GUS_RAMPRATE, (p1), (p2))  argument
97 #define GUS_RAMPMODE(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_RAMPMODE, (p1), 0)  argument
98 #define GUS_RAMPON(chn, voice, p1)		_GUS_CMD(chn, voice, _GUS_RAMPON, (p1), 0)  argument
99 #define GUS_RAMPOFF(chn, voice)			_GUS_CMD(chn, voice, _GUS_RAMPOFF, 0, 0)  argument
100 #define GUS_VOLUME_SCALE(chn, voice, p1, p2)	_GUS_CMD(chn, voice, _GUS_VOLUME_SCALE, (p1), (p2))  argument
101 #define GUS_VOICE_POS(chn, voice, p)		_GUS_CMD(chn, voice, _GUS_VOICE_POS, \  argument