eas_fmtables.c revision a8c89077d78769bf4840fa91609edc51fe2fa02d 
1/*----------------------------------------------------------------------------
2 *
3 * File:
4 * eas_fmtables.c
5 *
6 * Contents and purpose:
7 * Contains lookup tables for the FM synthesizer
8 *
9 *
10 * Copyright Sonic Network Inc. 2005
11
12 * Licensed under the Apache License, Version 2.0 (the "License");
13 * you may not use this file except in compliance with the License.
14 * You may obtain a copy of the License at
15 *
16 *      http://www.apache.org/licenses/LICENSE-2.0
17 *
18 * Unless required by applicable law or agreed to in writing, software
19 * distributed under the License is distributed on an "AS IS" BASIS,
20 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
21 * See the License for the specific language governing permissions and
22 * limitations under the License.
23 *
24 *----------------------------------------------------------------------------
25 * Revision Control:
26 *   $Revision: 82 $
27 *   $Date: 2006-07-10 11:45:19 -0700 (Mon, 10 Jul 2006) $
28 *
29 *----------------------------------------------------------------------------
30*/
31
32
33#include "eas_types.h"
34
35/* this table is needed by the DSP and the main processor */
36const EAS_U8 fmScaleTable[16] =
37{
38    0,8,16,24,32,40,48,56,64,72,80,96,128,160,192,255
39};
40
41/* these tables are needed on the main processor */
42#ifndef _DSP_CODE
43const EAS_I16 fmControlTable[128] =
44{
45    -32768,-14313,-12265,-11067,-10217,-9558,-9019,-8563,
46    -8169,-7821,-7510,-7228,-6971,-6734,-6515,-6312,
47    -6121,-5942,-5773,-5613,-5462,-5317,-5180,-5049,
48    -4923,-4802,-4686,-4575,-4467,-4364,-4264,-4167,
49    -4073,-3982,-3894,-3808,-3725,-3644,-3565,-3488,
50    -3414,-3341,-3269,-3200,-3132,-3066,-3001,-2937,
51    -2875,-2814,-2754,-2696,-2638,-2582,-2527,-2473,
52    -2419,-2367,-2316,-2265,-2216,-2167,-2119,-2071,
53    -2025,-1979,-1934,-1889,-1846,-1803,-1760,-1718,
54    -1677,-1636,-1596,-1556,-1517,-1478,-1440,-1403,
55    -1366,-1329,-1293,-1257,-1221,-1186,-1152,-1118,
56    -1084,-1051,-1018,-985,-953,-921,-889,-858,
57    -827,-796,-766,-736,-706,-677,-648,-619,
58    -590,-562,-534,-506,-479,-452,-425,-398,
59    -371,-345,-319,-293,-268,-242,-217,-192,
60    -168,-143,-119,-95,-71,-47,-23,0
61};
62
63const EAS_U16 fmRateTable[128] =
64{
65    32767,32764,32758,32747,32731,32712,32688,32659,
66    32627,32590,32548,32503,32453,32398,32340,32277,
67    32211,32140,32065,31985,31902,31815,31724,31628,
68    31529,31426,31319,31208,31094,30976,30854,30728,
69    30599,30466,30330,30191,30048,29902,29752,29599,
70    29443,29285,29123,28958,28790,28619,28445,28269,
71    28090,27909,27725,27538,27349,27158,26964,26769,
72    26571,26371,26169,25965,25760,25552,25343,25132,
73    24920,24706,24490,24274,24056,23836,23616,23394,
74    23172,22948,22724,22499,22273,22046,21819,21591,
75    21363,21135,20906,20676,20447,20217,19987,19758,
76    19528,19298,19069,18840,18610,18382,18153,17926,
77    17698,17471,17245,17020,16795,16571,16347,16125,
78    15903,15683,15463,15245,15027,14811,14596,14382,
79    14169,13957,13747,13538,13331,13125,12920,12717,
80    12516,12316,12117,11921,11725,11532,11340,0
81};
82
83const EAS_U16 fmAttackTable[15] =
84{
85    27,54,109,327,655,1310,2730,4095,
86    4681,5461,6553,8191,10922,16383,32767
87};
88
89const EAS_U8 fmDecayTable[16] =
90{
91    4,7,10,15,20,25,30,35,40,50,60,70,80,90,100,127
92};
93
94const EAS_U8 fmReleaseTable[16] =
95{
96    10,15,20,25,30,35,40,45,50,60,70,80,90,100,113,127
97};
98#endif
99
100/* this table is needed only on the DSP */
101#if defined(_DSP_CODE) || !defined(_SPLIT_ARCHITECTURE)
102//---------------------------------------------------------------------
103// sineTable
104//
105// Contains sine lookup table
106//---------------------------------------------------------------------
107
108const EAS_I16 sineTable[2048] =
109{
110    0,101,201,302,402,503,603,704,
111    804,905,1005,1106,1206,1307,1407,1507,
112    1608,1708,1809,1909,2009,2110,2210,2310,
113    2410,2511,2611,2711,2811,2911,3012,3112,
114    3212,3312,3412,3512,3612,3712,3811,3911,
115    4011,4111,4210,4310,4410,4509,4609,4708,
116    4808,4907,5007,5106,5205,5305,5404,5503,
117    5602,5701,5800,5899,5998,6096,6195,6294,
118    6393,6491,6590,6688,6786,6885,6983,7081,
119    7179,7277,7375,7473,7571,7669,7767,7864,
120    7962,8059,8157,8254,8351,8448,8545,8642,
121    8739,8836,8933,9030,9126,9223,9319,9416,
122    9512,9608,9704,9800,9896,9992,10087,10183,
123    10278,10374,10469,10564,10659,10754,10849,10944,
124    11039,11133,11228,11322,11417,11511,11605,11699,
125    11793,11886,11980,12074,12167,12260,12353,12446,
126    12539,12632,12725,12817,12910,13002,13094,13187,
127    13279,13370,13462,13554,13645,13736,13828,13919,
128    14010,14101,14191,14282,14372,14462,14553,14643,
129    14732,14822,14912,15001,15090,15180,15269,15358,
130    15446,15535,15623,15712,15800,15888,15976,16063,
131    16151,16238,16325,16413,16499,16586,16673,16759,
132    16846,16932,17018,17104,17189,17275,17360,17445,
133    17530,17615,17700,17784,17869,17953,18037,18121,
134    18204,18288,18371,18454,18537,18620,18703,18785,
135    18868,18950,19032,19113,19195,19276,19357,19438,
136    19519,19600,19680,19761,19841,19921,20000,20080,
137    20159,20238,20317,20396,20475,20553,20631,20709,
138    20787,20865,20942,21019,21096,21173,21250,21326,
139    21403,21479,21554,21630,21705,21781,21856,21930,
140    22005,22079,22154,22227,22301,22375,22448,22521,
141    22594,22667,22739,22812,22884,22956,23027,23099,
142    23170,23241,23311,23382,23452,23522,23592,23662,
143    23731,23801,23870,23938,24007,24075,24143,24211,
144    24279,24346,24413,24480,24547,24613,24680,24746,
145    24811,24877,24942,25007,25072,25137,25201,25265,
146    25329,25393,25456,25519,25582,25645,25708,25770,
147    25832,25893,25955,26016,26077,26138,26198,26259,
148    26319,26378,26438,26497,26556,26615,26674,26732,
149    26790,26848,26905,26962,27019,27076,27133,27189,
150    27245,27300,27356,27411,27466,27521,27575,27629,
151    27683,27737,27790,27843,27896,27949,28001,28053,
152    28105,28157,28208,28259,28310,28360,28411,28460,
153    28510,28560,28609,28658,28706,28755,28803,28850,
154    28898,28945,28992,29039,29085,29131,29177,29223,
155    29268,29313,29358,29403,29447,29491,29534,29578,
156    29621,29664,29706,29749,29791,29832,29874,29915,
157    29956,29997,30037,30077,30117,30156,30195,30234,
158    30273,30311,30349,30387,30424,30462,30498,30535,
159    30571,30607,30643,30679,30714,30749,30783,30818,
160    30852,30885,30919,30952,30985,31017,31050,31082,
161    31113,31145,31176,31206,31237,31267,31297,31327,
162    31356,31385,31414,31442,31470,31498,31526,31553,
163    31580,31607,31633,31659,31685,31710,31736,31760,
164    31785,31809,31833,31857,31880,31903,31926,31949,
165    31971,31993,32014,32036,32057,32077,32098,32118,
166    32137,32157,32176,32195,32213,32232,32250,32267,
167    32285,32302,32318,32335,32351,32367,32382,32397,
168    32412,32427,32441,32455,32469,32482,32495,32508,
169    32521,32533,32545,32556,32567,32578,32589,32599,
170    32609,32619,32628,32637,32646,32655,32663,32671,
171    32678,32685,32692,32699,32705,32711,32717,32722,
172    32728,32732,32737,32741,32745,32748,32752,32755,
173    32757,32759,32761,32763,32765,32766,32766,32767,
174    32767,32767,32766,32766,32765,32763,32761,32759,
175    32757,32755,32752,32748,32745,32741,32737,32732,
176    32728,32722,32717,32711,32705,32699,32692,32685,
177    32678,32671,32663,32655,32646,32637,32628,32619,
178    32609,32599,32589,32578,32567,32556,32545,32533,
179    32521,32508,32495,32482,32469,32455,32441,32427,
180    32412,32397,32382,32367,32351,32335,32318,32302,
181    32285,32267,32250,32232,32213,32195,32176,32157,
182    32137,32118,32098,32077,32057,32036,32014,31993,
183    31971,31949,31926,31903,31880,31857,31833,31809,
184    31785,31760,31736,31710,31685,31659,31633,31607,
185    31580,31553,31526,31498,31470,31442,31414,31385,
186    31356,31327,31297,31267,31237,31206,31176,31145,
187    31113,31082,31050,31017,30985,30952,30919,30885,
188    30852,30818,30783,30749,30714,30679,30643,30607,
189    30571,30535,30498,30462,30424,30387,30349,30311,
190    30273,30234,30195,30156,30117,30077,30037,29997,
191    29956,29915,29874,29832,29791,29749,29706,29664,
192    29621,29578,29534,29491,29447,29403,29358,29313,
193    29268,29223,29177,29131,29085,29039,28992,28945,
194    28898,28850,28803,28755,28706,28658,28609,28560,
195    28510,28460,28411,28360,28310,28259,28208,28157,
196    28105,28053,28001,27949,27896,27843,27790,27737,
197    27683,27629,27575,27521,27466,27411,27356,27300,
198    27245,27189,27133,27076,27019,26962,26905,26848,
199    26790,26732,26674,26615,26556,26497,26438,26378,
200    26319,26259,26198,26138,26077,26016,25955,25893,
201    25832,25770,25708,25645,25582,25519,25456,25393,
202    25329,25265,25201,25137,25072,25007,24942,24877,
203    24811,24746,24680,24613,24547,24480,24413,24346,
204    24279,24211,24143,24075,24007,23938,23870,23801,
205    23731,23662,23592,23522,23452,23382,23311,23241,
206    23170,23099,23027,22956,22884,22812,22739,22667,
207    22594,22521,22448,22375,22301,22227,22154,22079,
208    22005,21930,21856,21781,21705,21630,21554,21479,
209    21403,21326,21250,21173,21096,21019,20942,20865,
210    20787,20709,20631,20553,20475,20396,20317,20238,
211    20159,20080,20000,19921,19841,19761,19680,19600,
212    19519,19438,19357,19276,19195,19113,19032,18950,
213    18868,18785,18703,18620,18537,18454,18371,18288,
214    18204,18121,18037,17953,17869,17784,17700,17615,
215    17530,17445,17360,17275,17189,17104,17018,16932,
216    16846,16759,16673,16586,16499,16413,16325,16238,
217    16151,16063,15976,15888,15800,15712,15623,15535,
218    15446,15358,15269,15180,15090,15001,14912,14822,
219    14732,14643,14553,14462,14372,14282,14191,14101,
220    14010,13919,13828,13736,13645,13554,13462,13370,
221    13279,13187,13094,13002,12910,12817,12725,12632,
222    12539,12446,12353,12260,12167,12074,11980,11886,
223    11793,11699,11605,11511,11417,11322,11228,11133,
224    11039,10944,10849,10754,10659,10564,10469,10374,
225    10278,10183,10087,9992,9896,9800,9704,9608,
226    9512,9416,9319,9223,9126,9030,8933,8836,
227    8739,8642,8545,8448,8351,8254,8157,8059,
228    7962,7864,7767,7669,7571,7473,7375,7277,
229    7179,7081,6983,6885,6786,6688,6590,6491,
230    6393,6294,6195,6096,5998,5899,5800,5701,
231    5602,5503,5404,5305,5205,5106,5007,4907,
232    4808,4708,4609,4509,4410,4310,4210,4111,
233    4011,3911,3811,3712,3612,3512,3412,3312,
234    3212,3112,3012,2911,2811,2711,2611,2511,
235    2410,2310,2210,2110,2009,1909,1809,1708,
236    1608,1507,1407,1307,1206,1106,1005,905,
237    804,704,603,503,402,302,201,101,
238    0,-101,-201,-302,-402,-503,-603,-704,
239    -804,-905,-1005,-1106,-1206,-1307,-1407,-1507,
240    -1608,-1708,-1809,-1909,-2009,-2110,-2210,-2310,
241    -2410,-2511,-2611,-2711,-2811,-2911,-3012,-3112,
242    -3212,-3312,-3412,-3512,-3612,-3712,-3811,-3911,
243    -4011,-4111,-4210,-4310,-4410,-4509,-4609,-4708,
244    -4808,-4907,-5007,-5106,-5205,-5305,-5404,-5503,
245    -5602,-5701,-5800,-5899,-5998,-6096,-6195,-6294,
246    -6393,-6491,-6590,-6688,-6786,-6885,-6983,-7081,
247    -7179,-7277,-7375,-7473,-7571,-7669,-7767,-7864,
248    -7962,-8059,-8157,-8254,-8351,-8448,-8545,-8642,
249    -8739,-8836,-8933,-9030,-9126,-9223,-9319,-9416,
250    -9512,-9608,-9704,-9800,-9896,-9992,-10087,-10183,
251    -10278,-10374,-10469,-10564,-10659,-10754,-10849,-10944,
252    -11039,-11133,-11228,-11322,-11417,-11511,-11605,-11699,
253    -11793,-11886,-11980,-12074,-12167,-12260,-12353,-12446,
254    -12539,-12632,-12725,-12817,-12910,-13002,-13094,-13187,
255    -13279,-13370,-13462,-13554,-13645,-13736,-13828,-13919,
256    -14010,-14101,-14191,-14282,-14372,-14462,-14553,-14643,
257    -14732,-14822,-14912,-15001,-15090,-15180,-15269,-15358,
258    -15446,-15535,-15623,-15712,-15800,-15888,-15976,-16063,
259    -16151,-16238,-16325,-16413,-16499,-16586,-16673,-16759,
260    -16846,-16932,-17018,-17104,-17189,-17275,-17360,-17445,
261    -17530,-17615,-17700,-17784,-17869,-17953,-18037,-18121,
262    -18204,-18288,-18371,-18454,-18537,-18620,-18703,-18785,
263    -18868,-18950,-19032,-19113,-19195,-19276,-19357,-19438,
264    -19519,-19600,-19680,-19761,-19841,-19921,-20000,-20080,
265    -20159,-20238,-20317,-20396,-20475,-20553,-20631,-20709,
266    -20787,-20865,-20942,-21019,-21096,-21173,-21250,-21326,
267    -21403,-21479,-21554,-21630,-21705,-21781,-21856,-21930,
268    -22005,-22079,-22154,-22227,-22301,-22375,-22448,-22521,
269    -22594,-22667,-22739,-22812,-22884,-22956,-23027,-23099,
270    -23170,-23241,-23311,-23382,-23452,-23522,-23592,-23662,
271    -23731,-23801,-23870,-23938,-24007,-24075,-24143,-24211,
272    -24279,-24346,-24413,-24480,-24547,-24613,-24680,-24746,
273    -24811,-24877,-24942,-25007,-25072,-25137,-25201,-25265,
274    -25329,-25393,-25456,-25519,-25582,-25645,-25708,-25770,
275    -25832,-25893,-25955,-26016,-26077,-26138,-26198,-26259,
276    -26319,-26378,-26438,-26497,-26556,-26615,-26674,-26732,
277    -26790,-26848,-26905,-26962,-27019,-27076,-27133,-27189,
278    -27245,-27300,-27356,-27411,-27466,-27521,-27575,-27629,
279    -27683,-27737,-27790,-27843,-27896,-27949,-28001,-28053,
280    -28105,-28157,-28208,-28259,-28310,-28360,-28411,-28460,
281    -28510,-28560,-28609,-28658,-28706,-28755,-28803,-28850,
282    -28898,-28945,-28992,-29039,-29085,-29131,-29177,-29223,
283    -29268,-29313,-29358,-29403,-29447,-29491,-29534,-29578,
284    -29621,-29664,-29706,-29749,-29791,-29832,-29874,-29915,
285    -29956,-29997,-30037,-30077,-30117,-30156,-30195,-30234,
286    -30273,-30311,-30349,-30387,-30424,-30462,-30498,-30535,
287    -30571,-30607,-30643,-30679,-30714,-30749,-30783,-30818,
288    -30852,-30885,-30919,-30952,-30985,-31017,-31050,-31082,
289    -31113,-31145,-31176,-31206,-31237,-31267,-31297,-31327,
290    -31356,-31385,-31414,-31442,-31470,-31498,-31526,-31553,
291    -31580,-31607,-31633,-31659,-31685,-31710,-31736,-31760,
292    -31785,-31809,-31833,-31857,-31880,-31903,-31926,-31949,
293    -31971,-31993,-32014,-32036,-32057,-32077,-32098,-32118,
294    -32137,-32157,-32176,-32195,-32213,-32232,-32250,-32267,
295    -32285,-32302,-32318,-32335,-32351,-32367,-32382,-32397,
296    -32412,-32427,-32441,-32455,-32469,-32482,-32495,-32508,
297    -32521,-32533,-32545,-32556,-32567,-32578,-32589,-32599,
298    -32609,-32619,-32628,-32637,-32646,-32655,-32663,-32671,
299    -32678,-32685,-32692,-32699,-32705,-32711,-32717,-32722,
300    -32728,-32732,-32737,-32741,-32745,-32748,-32752,-32755,
301    -32757,-32759,-32761,-32763,-32765,-32766,-32766,-32767,
302    -32767,-32767,-32766,-32766,-32765,-32763,-32761,-32759,
303    -32757,-32755,-32752,-32748,-32745,-32741,-32737,-32732,
304    -32728,-32722,-32717,-32711,-32705,-32699,-32692,-32685,
305    -32678,-32671,-32663,-32655,-32646,-32637,-32628,-32619,
306    -32609,-32599,-32589,-32578,-32567,-32556,-32545,-32533,
307    -32521,-32508,-32495,-32482,-32469,-32455,-32441,-32427,
308    -32412,-32397,-32382,-32367,-32351,-32335,-32318,-32302,
309    -32285,-32267,-32250,-32232,-32213,-32195,-32176,-32157,
310    -32137,-32118,-32098,-32077,-32057,-32036,-32014,-31993,
311    -31971,-31949,-31926,-31903,-31880,-31857,-31833,-31809,
312    -31785,-31760,-31736,-31710,-31685,-31659,-31633,-31607,
313    -31580,-31553,-31526,-31498,-31470,-31442,-31414,-31385,
314    -31356,-31327,-31297,-31267,-31237,-31206,-31176,-31145,
315    -31113,-31082,-31050,-31017,-30985,-30952,-30919,-30885,
316    -30852,-30818,-30783,-30749,-30714,-30679,-30643,-30607,
317    -30571,-30535,-30498,-30462,-30424,-30387,-30349,-30311,
318    -30273,-30234,-30195,-30156,-30117,-30077,-30037,-29997,
319    -29956,-29915,-29874,-29832,-29791,-29749,-29706,-29664,
320    -29621,-29578,-29534,-29491,-29447,-29403,-29358,-29313,
321    -29268,-29223,-29177,-29131,-29085,-29039,-28992,-28945,
322    -28898,-28850,-28803,-28755,-28706,-28658,-28609,-28560,
323    -28510,-28460,-28411,-28360,-28310,-28259,-28208,-28157,
324    -28105,-28053,-28001,-27949,-27896,-27843,-27790,-27737,
325    -27683,-27629,-27575,-27521,-27466,-27411,-27356,-27300,
326    -27245,-27189,-27133,-27076,-27019,-26962,-26905,-26848,
327    -26790,-26732,-26674,-26615,-26556,-26497,-26438,-26378,
328    -26319,-26259,-26198,-26138,-26077,-26016,-25955,-25893,
329    -25832,-25770,-25708,-25645,-25582,-25519,-25456,-25393,
330    -25329,-25265,-25201,-25137,-25072,-25007,-24942,-24877,
331    -24811,-24746,-24680,-24613,-24547,-24480,-24413,-24346,
332    -24279,-24211,-24143,-24075,-24007,-23938,-23870,-23801,
333    -23731,-23662,-23592,-23522,-23452,-23382,-23311,-23241,
334    -23170,-23099,-23027,-22956,-22884,-22812,-22739,-22667,
335    -22594,-22521,-22448,-22375,-22301,-22227,-22154,-22079,
336    -22005,-21930,-21856,-21781,-21705,-21630,-21554,-21479,
337    -21403,-21326,-21250,-21173,-21096,-21019,-20942,-20865,
338    -20787,-20709,-20631,-20553,-20475,-20396,-20317,-20238,
339    -20159,-20080,-20000,-19921,-19841,-19761,-19680,-19600,
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363    -2410,-2310,-2210,-2110,-2009,-1909,-1809,-1708,
364    -1608,-1507,-1407,-1307,-1206,-1106,-1005,-905,
365    -804,-704,-603,-503,-402,-302,-201,-101
366};
367#endif
368
369