IFND GMS_SOUND_I
GMS_SOUND_I  SET  1

**
**	$VER: sound.i V0.7B
**
**	games library sound structures
**
**	(C) Copyright 1996-1997 DreamWorld Productions.
**	    All Rights Reserved
**

*****************************************************************************
* Sound stuff

SNDVERSION =	1

   STRUCTURE	SND,0
	WORD	SND_ID           ;ID_SOUND
	WORD	SND_Version      ;Version.
	LONG	SND_Stats        ;Reserved, do not touch.
	WORD	SND_Channel      ;Channel.
	WORD	SND_Priority     ;Priority.
	APTR	SND_Header       ;Sample info header, if any.
	APTR	SND_Data         ;Address of sample data.
	LONG	SND_Length       ;Length of sample data in bytes.
	WORD	SND_Octave       ;Octave/Note setting.
	WORD	SND_Volume       ;Volume of sample (1 - 100).
	LONG	SND_Attrib       ;Sound attributes.
	APTR	SND_File         ;Where the sound comes from.
	LONG	SND_Frequency    ;Frequency of sampled sound.
	LABEL	SNDV1_SIZEOF     ;Private.

SA_Channel =	 SND_Channel|TWORD
SA_Priority =	 SND_Priority|TWORD
SA_Header =	 SND_Header|TLONG
SA_Data =	 SND_Data|TLONG
SA_Length =	 SND_Length|TLONG
SA_Octave =	 SND_Octave|TWORD
SA_Volume =	 SND_Volume|TWORD
SA_Attrib =	 SND_Attrib|TLONG
SA_File =	 SND_File|TLONG
SA_Frequency =	 SND_Frequency|TLONG

CHAN_FREE =	0            ;For CheckChannel()

*** Flags for SND_Channel.

ALLCHANNELS =	-1           ;Search for first available channel.
CHANNEL1 =	0            ;Channel 1 (left speaker)
CHANNEL2 =	1            ;Channel 2 (right speaker)
CHANNEL3 =	2            ;Channel 3 (right speaker)
CHANNEL4 =	3            ;Channel 4 (left speaker)

*** Flags for SND_Attrib.

B_SBIT16  =	0
B_SMODVOL =	1
B_SMODPER =	2
B_SREPEAT =	3
B_SEMPTY  =	4
B_SLEFT   =	5
B_SRIGHT  =	6
B_SFORCE  =	7

SBIT8   = 0                  ;Sound data is 8 bit.
SBIT16  = 1<<B_SBIT16        ;Sound data is 16 bit.
SMODVOL = 1<<B_SMODVOL       ;Modulate volume with next channel.
SMODPER = 1<<B_SMODPER       ;Modulate period with next channel.
SREPEAT = 1<<B_SREPEAT       ;Repeat sample forever.
SEMPTY  = 1<<B_SEMPTY        ;Only play if channel is empty.
SLEFT   = 1<<B_SLEFT
SRIGHT  = 1<<B_SRIGHT
SFORCE  = 1<<B_SFORCE

*****************************************************************************
* Octave definitions for SND_Octave.  An 'S' at the end of an octave
* definition indicates a sharp note.  The comments on the right tell
* you the period resulting from the octant used.  This is good if
* you are converting an old program that programmed the periods
* directly.

OCT_G0S	=	0	;068
OCT_G0	=	2	;072
OCT_F0S	=	4	;076
OCT_F0	=	6	;080
OCT_E0	=	8	;085
OCT_D0S	=	10	;090
OCT_D0	=	12	;095
OCT_C0S	=	14	;101
OCT_C0  =	16	;107
OCT_B0	=	18	;113
OCT_A0S	=	20	;120
OCT_A0	=	22	;127

OCT_G1S	=	24	;135
OCT_G1	=	26	;143
OCT_F1S	=	28	;151
OCT_F1	=	30	;160
OCT_E1	=	32	;170
OCT_D1S	=	34	;180
OCT_D1	=	36	;190
OCT_C1S	=	38	;202
OCT_C1	=	40	;214
OCT_B1	=	42	;226
OCT_A1S	=	44	;240
OCT_A1	=	46	;254

OCT_G2S	=	48	;269
OCT_G2	=	50	;285
OCT_F2S	=	52	;302
OCT_F2	=	54	;320
OCT_E2	=	56	;339
OCT_D2S	=	58	;360
OCT_D2	=	60	;381
OCT_C2S	=	62	;404
OCT_C2	=	64	;428
OCT_B2	=	66	;453
OCT_A2S	=	68	;480
OCT_A2	=	70	;508

OCT_G3S	=	72	;538
OCT_G3	=	74	;570
OCT_F3S	=	76	;604
OCT_F3	=	78	;640
OCT_E3	=	80	;678
OCT_D3S	=	82	;720
OCT_D3	=	84	;762
OCT_C3S	=	86	;808
OCT_C3	=	88	;856
OCT_B3	=	90	;906
OCT_A3S	=	92	;960
OCT_A3	=	94	;1016

OCT_G4S =	96	;1076
OCT_G4 =	98	;1140
OCT_F4S =	100	;1208
OCT_F4 =	102	;1280
OCT_E4 =	104	;1356
OCT_D4S =	106	;1440
OCT_D4 =	108	;1524
OCT_C4S =	110	;1616
OCT_C4 =	112	;1712
OCT_B4 =	114	;1812
OCT_A4S =	116	;1920
OCT_A4 =	118	;2032

OCT_G5S =	120	;2152
OCT_G5 =	122	;2280
OCT_F5S =	124	;2416
OCT_F5 =	126	;2560
OCT_E5 =	128	;2712
OCT_D5S =	130	;2880
OCT_D5 =	132	;3048
OCT_C5S =	134	;3232
OCT_C5 =	136	;3424
OCT_B5 =	138	;3624
OCT_A5S =	140	;3840
OCT_A5 =	142	;4064

OCT_G6S =	144	;4304
OCT_G6 =	146	;4560
OCT_F6S =	148	;4832
OCT_F6 =	150	;5120
OCT_E6 =	152	;5424
OCT_D6S =	154	;5760
OCT_D6 =	156	;6096
OCT_C6S =	158	;6464
OCT_C6 =	160	;6848
OCT_B6 =	162	;7248
OCT_A6S =	164	;7680
OCT_A6 =	166	;8128

OCT_G7S =	168	;8608
OCT_G7 =	170	;9120
OCT_F7S =	172	;9664
OCT_F7 =	174	;10240
OCT_E7 =	176	;10848
OCT_D7S =	178	;11520
OCT_D7 =	180	;12192
OCT_C7S =	182	;12928
OCT_C7 =	184	;13696
OCT_B7 =	186	;14496
OCT_A7S =	188	;15360

	ENDC	;GMS_SOUND_I