/* * This source code is public domain. * * Authors: Olivier Lapicque */ #include "libmodplug.h" static const BYTE ImpulseTrackerPortaVolCmd[16] = { 0x00, 0x01, 0x04, 0x08, 0x10, 0x20, 0x40, 0x60, 0x80, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; // Period table for Protracker octaves 0-5: static const WORD ProTrackerPeriodTable[6*12] = { 1712,1616,1524,1440,1356,1280,1208,1140,1076,1016,960,907, 856,808,762,720,678,640,604,570,538,508,480,453, 428,404,381,360,339,320,302,285,269,254,240,226, 214,202,190,180,170,160,151,143,135,127,120,113, 107,101,95,90,85,80,75,71,67,63,60,56, 53,50,47,45,42,40,37,35,33,31,30,28 }; static const WORD ProTrackerTunedPeriods[16*12] = { 1712,1616,1524,1440,1356,1280,1208,1140,1076,1016,960,907, 1700,1604,1514,1430,1348,1274,1202,1134,1070,1010,954,900, 1688,1592,1504,1418,1340,1264,1194,1126,1064,1004,948,894, 1676,1582,1492,1408,1330,1256,1184,1118,1056,996,940,888, 1664,1570,1482,1398,1320,1246,1176,1110,1048,990,934,882, 1652,1558,1472,1388,1310,1238,1168,1102,1040,982,926,874, 1640,1548,1460,1378,1302,1228,1160,1094,1032,974,920,868, 1628,1536,1450,1368,1292,1220,1150,1086,1026,968,914,862, 1814,1712,1616,1524,1440,1356,1280,1208,1140,1076,1016,960, 1800,1700,1604,1514,1430,1350,1272,1202,1134,1070,1010,954, 1788,1688,1592,1504,1418,1340,1264,1194,1126,1064,1004,948, 1774,1676,1582,1492,1408,1330,1256,1184,1118,1056,996,940, 1762,1664,1570,1482,1398,1320,1246,1176,1110,1048,988,934, 1750,1652,1558,1472,1388,1310,1238,1168,1102,1040,982,926, 1736,1640,1548,1460,1378,1302,1228,1160,1094,1032,974,920, 1724,1628,1536,1450,1368,1292,1220,1150,1086,1026,968,914 }; // S3M C-4 periods static const WORD FreqS3MTable[16] = { 1712,1616,1524,1440,1356,1280, 1208,1140,1076,1016,960,907, 0,0,0,0 }; // S3M FineTune frequencies static const WORD S3MFineTuneTable[16] = { 7895,7941,7985,8046,8107,8169,8232,8280, 8363,8413,8463,8529,8581,8651,8723,8757, // 8363*2^((i-8)/(12*8)) }; // Sinus table static const int16_t ModSinusTable[64] = { 0,12,25,37,49,60,71,81,90,98,106,112,117,122,125,126, 127,126,125,122,117,112,106,98,90,81,71,60,49,37,25,12, 0,-12,-25,-37,-49,-60,-71,-81,-90,-98,-106,-112,-117,-122,-125,-126, -127,-126,-125,-122,-117,-112,-106,-98,-90,-81,-71,-60,-49,-37,-25,-12 }; // Triangle wave table (ramp down) static const int16_t ModRampDownTable[64] = { 0,-4,-8,-12,-16,-20,-24,-28,-32,-36,-40,-44,-48,-52,-56,-60, -64,-68,-72,-76,-80,-84,-88,-92,-96,-100,-104,-108,-112,-116,-120,-124, 127,123,119,115,111,107,103,99,95,91,87,83,79,75,71,67, 63,59,55,51,47,43,39,35,31,27,23,19,15,11,7,3 }; // Square wave table static const int16_t ModSquareTable[64] = { 127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127, 127,127,127,127,127,127,127,127,127,127,127,127,127,127,127,127, -127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127, -127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127,-127 }; // Random wave table static const int16_t ModRandomTable[64] = { 98,-127,-43,88,102,41,-65,-94,125,20,-71,-86,-70,-32,-16,-96, 17,72,107,-5,116,-69,-62,-40,10,-61,65,109,-18,-38,-13,-76, -23,88,21,-94,8,106,21,-112,6,109,20,-88,-30,9,-127,118, 42,-34,89,-4,-51,-72,21,-29,112,123,84,-101,-92,98,-54,-95 }; // volume fade tables for Retrig Note: static const int8_t retrigTable1[16] = { 0, 0, 0, 0, 0, 0, 10, 8, 0, 0, 0, 0, 0, 0, 24, 32 }; static const int8_t retrigTable2[16] = { 0, -1, -2, -4, -8, -16, 0, 0, 0, 1, 2, 4, 8, 16, 0, 0 }; static const WORD XMPeriodTable[104] = { 907,900,894,887,881,875,868,862,856,850,844,838,832,826,820,814, 808,802,796,791,785,779,774,768,762,757,752,746,741,736,730,725, 720,715,709,704,699,694,689,684,678,675,670,665,660,655,651,646, 640,636,632,628,623,619,614,610,604,601,597,592,588,584,580,575, 570,567,563,559,555,551,547,543,538,535,532,528,524,520,516,513, 508,505,502,498,494,491,487,484,480,477,474,470,467,463,460,457, 453,450,447,443,440,437,434,431 }; static const uint32_t XMLinearTable[768] = { 535232,534749,534266,533784,533303,532822,532341,531861, 531381,530902,530423,529944,529466,528988,528511,528034, 527558,527082,526607,526131,525657,525183,524709,524236, 523763,523290,522818,522346,521875,521404,520934,520464, 519994,519525,519057,518588,518121,517653,517186,516720, 516253,515788,515322,514858,514393,513929,513465,513002, 512539,512077,511615,511154,510692,510232,509771,509312, 508852,508393,507934,507476,507018,506561,506104,505647, 505191,504735,504280,503825,503371,502917,502463,502010, 501557,501104,500652,500201,499749,499298,498848,498398, 497948,497499,497050,496602,496154,495706,495259,494812, 494366,493920,493474,493029,492585,492140,491696,491253, 490809,490367,489924,489482,489041,488600,488159,487718, 487278,486839,486400,485961,485522,485084,484647,484210, 483773,483336,482900,482465,482029,481595,481160,480726, 480292,479859,479426,478994,478562,478130,477699,477268, 476837,476407,475977,475548,475119,474690,474262,473834, 473407,472979,472553,472126,471701,471275,470850,470425, 470001,469577,469153,468730,468307,467884,467462,467041, 466619,466198,465778,465358,464938,464518,464099,463681, 463262,462844,462427,462010,461593,461177,460760,460345, 459930,459515,459100,458686,458272,457859,457446,457033, 456621,456209,455797,455386,454975,454565,454155,453745, 453336,452927,452518,452110,451702,451294,450887,450481, 450074,449668,449262,448857,448452,448048,447644,447240, 446836,446433,446030,445628,445226,444824,444423,444022, 443622,443221,442821,442422,442023,441624,441226,440828, 440430,440033,439636,439239,438843,438447,438051,437656, 437261,436867,436473,436079,435686,435293,434900,434508, 434116,433724,433333,432942,432551,432161,431771,431382, 430992,430604,430215,429827,429439,429052,428665,428278, 427892,427506,427120,426735,426350,425965,425581,425197, 424813,424430,424047,423665,423283,422901,422519,422138, 421757,421377,420997,420617,420237,419858,419479,419101, 418723,418345,417968,417591,417214,416838,416462,416086, 415711,415336,414961,414586,414212,413839,413465,413092, 412720,412347,411975,411604,411232,410862,410491,410121, 409751,409381,409012,408643,408274,407906,407538,407170, 406803,406436,406069,405703,405337,404971,404606,404241, 403876,403512,403148,402784,402421,402058,401695,401333, 400970,400609,400247,399886,399525,399165,398805,398445, 398086,397727,397368,397009,396651,396293,395936,395579, 395222,394865,394509,394153,393798,393442,393087,392733, 392378,392024,391671,391317,390964,390612,390259,389907, 389556,389204,388853,388502,388152,387802,387452,387102, 386753,386404,386056,385707,385359,385012,384664,384317, 383971,383624,383278,382932,382587,382242,381897,381552, 381208,380864,380521,380177,379834,379492,379149,378807, 378466,378124,377783,377442,377102,376762,376422,376082, 375743,375404,375065,374727,374389,374051,373714,373377, 373040,372703,372367,372031,371695,371360,371025,370690, 370356,370022,369688,369355,369021,368688,368356,368023, 367691,367360,367028,366697,366366,366036,365706,365376, 365046,364717,364388,364059,363731,363403,363075,362747, 362420,362093,361766,361440,361114,360788,360463,360137, 359813,359488,359164,358840,358516,358193,357869,357547, 357224,356902,356580,356258,355937,355616,355295,354974, 354654,354334,354014,353695,353376,353057,352739,352420, 352103,351785,351468,351150,350834,350517,350201,349885, 349569,349254,348939,348624,348310,347995,347682,347368, 347055,346741,346429,346116,345804,345492,345180,344869, 344558,344247,343936,343626,343316,343006,342697,342388, 342079,341770,341462,341154,340846,340539,340231,339924, 339618,339311,339005,338700,338394,338089,337784,337479, 337175,336870,336566,336263,335959,335656,335354,335051, 334749,334447,334145,333844,333542,333242,332941,332641, 332341,332041,331741,331442,331143,330844,330546,330247, 329950,329652,329355,329057,328761,328464,328168,327872, 327576,327280,326985,326690,326395,326101,325807,325513, 325219,324926,324633,324340,324047,323755,323463,323171, 322879,322588,322297,322006,321716,321426,321136,320846, 320557,320267,319978,319690,319401,319113,318825,318538, 318250,317963,317676,317390,317103,316817,316532,316246, 315961,315676,315391,315106,314822,314538,314254,313971, 313688,313405,313122,312839,312557,312275,311994,311712, 311431,311150,310869,310589,310309,310029,309749,309470, 309190,308911,308633,308354,308076,307798,307521,307243, 306966,306689,306412,306136,305860,305584,305308,305033, 304758,304483,304208,303934,303659,303385,303112,302838, 302565,302292,302019,301747,301475,301203,300931,300660, 300388,300117,299847,299576,299306,299036,298766,298497, 298227,297958,297689,297421,297153,296884,296617,296349, 296082,295815,295548,295281,295015,294749,294483,294217, 293952,293686,293421,293157,292892,292628,292364,292100, 291837,291574,291311,291048,290785,290523,290261,289999, 289737,289476,289215,288954,288693,288433,288173,287913, 287653,287393,287134,286875,286616,286358,286099,285841, 285583,285326,285068,284811,284554,284298,284041,283785, 283529,283273,283017,282762,282507,282252,281998,281743, 281489,281235,280981,280728,280475,280222,279969,279716, 279464,279212,278960,278708,278457,278206,277955,277704, 277453,277203,276953,276703,276453,276204,275955,275706, 275457,275209,274960,274712,274465,274217,273970,273722, 273476,273229,272982,272736,272490,272244,271999,271753, 271508,271263,271018,270774,270530,270286,270042,269798, 269555,269312,269069,268826,268583,268341,268099,267857 }; static const int8_t ft2VibratoTable[256] = { 0,-2,-3,-5,-6,-8,-9,-11,-12,-14,-16,-17,-19,-20,-22,-23, -24,-26,-27,-29,-30,-32,-33,-34,-36,-37,-38,-39,-41,-42, -43,-44,-45,-46,-47,-48,-49,-50,-51,-52,-53,-54,-55,-56, -56,-57,-58,-59,-59,-60,-60,-61,-61,-62,-62,-62,-63,-63, -63,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-63,-63, -63,-62,-62,-62,-61,-61,-60,-60,-59,-59,-58,-57,-56,-56, -55,-54,-53,-52,-51,-50,-49,-48,-47,-46,-45,-44,-43,-42, -41,-39,-38,-37,-36,-34,-33,-32,-30,-29,-27,-26,-24,-23, -22,-20,-19,-17,-16,-14,-12,-11,-9,-8,-6,-5,-3,-2,0, 2,3,5,6,8,9,11,12,14,16,17,19,20,22,23,24,26,27,29,30, 32,33,34,36,37,38,39,41,42,43,44,45,46,47,48,49,50,51, 52,53,54,55,56,56,57,58,59,59,60,60,61,61,62,62,62,63, 63,63,64,64,64,64,64,64,64,64,64,64,64,63,63,63,62,62, 62,61,61,60,60,59,59,58,57,56,56,55,54,53,52,51,50,49, 48,47,46,45,44,43,42,41,39,38,37,36,34,33,32,30,29,27, 26,24,23,22,20,19,17,16,14,12,11,9,8,6,5,3,2 }; static const DWORD FineLinearSlideUpTable[16] = { 65536, 65595, 65654, 65714, 65773, 65832, 65892, 65951, 66011, 66071, 66130, 66190, 66250, 66309, 66369, 66429 }; static const DWORD FineLinearSlideDownTable[16] = { 65535, 65477, 65418, 65359, 65300, 65241, 65182, 65123, 65065, 65006, 64947, 64888, 64830, 64772, 64713, 64645 }; static const DWORD LinearSlideUpTable[256] = { 65536, 65773, 66010, 66249, 66489, 66729, 66971, 67213, 67456, 67700, 67945, 68190, 68437, 68685, 68933, 69182, 69432, 69684, 69936, 70189, 70442, 70697, 70953, 71209, 71467, 71725, 71985, 72245, 72507, 72769, 73032, 73296, 73561, 73827, 74094, 74362, 74631, 74901, 75172, 75444, 75717, 75991, 76265, 76541, 76818, 77096, 77375, 77655, 77935, 78217, 78500, 78784, 79069, 79355, 79642, 79930, 80219, 80509, 80800, 81093, 81386, 81680, 81976, 82272, 82570, 82868, 83168, 83469, 83771, 84074, 84378, 84683, 84989, 85297, 85605, 85915, 86225, 86537, 86850, 87164, 87480, 87796, 88113, 88432, 88752, 89073, 89395, 89718, 90043, 90369, 90695, 91023, 91353, 91683, 92015, 92347, 92681, 93017, 93353, 93691, 94029, 94370, 94711, 95053, 95397, 95742, 96088, 96436, 96785, 97135, 97486, 97839, 98193, 98548, 98904, 99262, 99621, 99981, 100343, 100706, 101070, 101435, 101802, 102170, 102540, 102911, 103283, 103657, 104031, 104408, 104785, 105164, 105545, 105926, 106309, 106694, 107080, 107467, 107856, 108246, 108637, 109030, 109425, 109820, 110217, 110616, 111016, 111418, 111821, 112225, 112631, 113038, 113447, 113857, 114269, 114682, 115097, 115514, 115931, 116351, 116771, 117194, 117618, 118043, 118470, 118898, 119328, 119760, 120193, 120628, 121064, 121502, 121941, 122382, 122825, 123269, 123715, 124162, 124611, 125062, 125514, 125968, 126424, 126881, 127340, 127801, 128263, 128727, 129192, 129660, 130129, 130599, 131072, 131546, 132021, 132499, 132978, 133459, 133942, 134426, 134912, 135400, 135890, 136381, 136875, 137370, 137866, 138365, 138865, 139368, 139872, 140378, 140885, 141395, 141906, 142419, 142935, 143451, 143970, 144491, 145014, 145538, 146064, 146593, 147123, 147655, 148189, 148725, 149263, 149803, 150344, 150888, 151434, 151982, 152531, 153083, 153637, 154192, 154750, 155310, 155871, 156435, 157001, 157569, 158138, 158710, 159284, 159860, 160439, 161019, 161601, 162186, 162772, 163361, 163952, 164545, }; static const DWORD LinearSlideDownTable[256] = { 65536, 65299, 65064, 64830, 64596, 64363, 64131, 63900, 63670, 63440, 63212, 62984, 62757, 62531, 62305, 62081, 61857, 61634, 61412, 61191, 60970, 60751, 60532, 60314, 60096, 59880, 59664, 59449, 59235, 59021, 58809, 58597, 58385, 58175, 57965, 57757, 57548, 57341, 57134, 56928, 56723, 56519, 56315, 56112, 55910, 55709, 55508, 55308, 55108, 54910, 54712, 54515, 54318, 54123, 53928, 53733, 53540, 53347, 53154, 52963, 52772, 52582, 52392, 52204, 52015, 51828, 51641, 51455, 51270, 51085, 50901, 50717, 50535, 50353, 50171, 49990, 49810, 49631, 49452, 49274, 49096, 48919, 48743, 48567, 48392, 48218, 48044, 47871, 47698, 47526, 47355, 47185, 47014, 46845, 46676, 46508, 46340, 46173, 46007, 45841, 45676, 45511, 45347, 45184, 45021, 44859, 44697, 44536, 44376, 44216, 44056, 43898, 43740, 43582, 43425, 43268, 43112, 42957, 42802, 42648, 42494, 42341, 42189, 42037, 41885, 41734, 41584, 41434, 41285, 41136, 40988, 40840, 40693, 40546, 40400, 40254, 40109, 39965, 39821, 39677, 39534, 39392, 39250, 39108, 38967, 38827, 38687, 38548, 38409, 38270, 38132, 37995, 37858, 37722, 37586, 37450, 37315, 37181, 37047, 36913, 36780, 36648, 36516, 36384, 36253, 36122, 35992, 35862, 35733, 35604, 35476, 35348, 35221, 35094, 34968, 34842, 34716, 34591, 34466, 34342, 34218, 34095, 33972, 33850, 33728, 33606, 33485, 33364, 33244, 33124, 33005, 32886, 32768, 32649, 32532, 32415, 32298, 32181, 32065, 31950, 31835, 31720, 31606, 31492, 31378, 31265, 31152, 31040, 30928, 30817, 30706, 30595, 30485, 30375, 30266, 30157, 30048, 29940, 29832, 29724, 29617, 29510, 29404, 29298, 29192, 29087, 28982, 28878, 28774, 28670, 28567, 28464, 28361, 28259, 28157, 28056, 27955, 27854, 27754, 27654, 27554, 27455, 27356, 27257, 27159, 27061, 26964, 26866, 26770, 26673, 26577, 26481, 26386, 26291, 26196, 26102, }; static const int SpectrumSinusTable[256*2] = { 0, 1, 1, 2, 3, 3, 4, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 14, 14, 15, 16, 17, 17, 18, 19, 20, 20, 21, 22, 22, 23, 24, 25, 25, 26, 27, 28, 28, 29, 30, 30, 31, 32, 32, 33, 34, 34, 35, 36, 36, 37, 38, 38, 39, 39, 40, 41, 41, 42, 42, 43, 44, 44, 45, 45, 46, 46, 47, 47, 48, 48, 49, 49, 50, 50, 51, 51, 52, 52, 53, 53, 53, 54, 54, 55, 55, 55, 56, 56, 57, 57, 57, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 60, 61, 61, 61, 61, 61, 62, 62, 62, 62, 62, 62, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 63, 62, 62, 62, 62, 62, 62, 61, 61, 61, 61, 61, 60, 60, 60, 60, 59, 59, 59, 59, 58, 58, 58, 57, 57, 57, 56, 56, 55, 55, 55, 54, 54, 53, 53, 53, 52, 52, 51, 51, 50, 50, 49, 49, 48, 48, 47, 47, 46, 46, 45, 45, 44, 44, 43, 42, 42, 41, 41, 40, 39, 39, 38, 38, 37, 36, 36, 35, 34, 34, 33, 32, 32, 31, 30, 30, 29, 28, 28, 27, 26, 25, 25, 24, 23, 22, 22, 21, 20, 20, 19, 18, 17, 17, 16, 15, 14, 14, 13, 12, 11, 10, 10, 9, 8, 7, 7, 6, 5, 4, 3, 3, 2, 1, 0, 0, -1, -1, -2, -3, -3, -4, -5, -6, -7, -7, -8, -9, -10, -10, -11, -12, -13, -14, -14, -15, -16, -17, -17, -18, -19, -20, -20, -21, -22, -22, -23, -24, -25, -25, -26, -27, -28, -28, -29, -30, -30, -31, -32, -32, -33, -34, -34, -35, -36, -36, -37, -38, -38, -39, -39, -40, -41, -41, -42, -42, -43, -44, -44, -45, -45, -46, -46, -47, -47, -48, -48, -49, -49, -50, -50, -51, -51, -52, -52, -53, -53, -53, -54, -54, -55, -55, -55, -56, -56, -57, -57, -57, -58, -58, -58, -59, -59, -59, -59, -60, -60, -60, -60, -61, -61, -61, -61, -61, -62, -62, -62, -62, -62, -62, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -63, -62, -62, -62, -62, -62, -62, -61, -61, -61, -61, -61, -60, -60, -60, -60, -59, -59, -59, -59, -58, -58, -58, -57, -57, -57, -56, -56, -55, -55, -55, -54, -54, -53, -53, -53, -52, -52, -51, -51, -50, -50, -49, -49, -48, -48, -47, -47, -46, -46, -45, -45, -44, -44, -43, -42, -42, -41, -41, -40, -39, -39, -38, -38, -37, -36, -36, -35, -34, -34, -33, -32, -32, -31, -30, -30, -29, -28, -28, -27, -26, -25, -25, -24, -23, -22, -22, -21, -20, -20, -19, -18, -17, -17, -16, -15, -14, -14, -13, -12, -11, -10, -10, -9, -8, -7, -7, -6, -5, -4, -3, -3, -2, -1, 0, };