1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110
|
/* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Dean Beeler, Jerome Fisher
* Copyright (C) 2011-2016 Dean Beeler, Jerome Fisher, Sergey V. Mikayev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 2.1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <cstdio>
#include "internals.h"
#include "Synth.h"
#include "Analog.h"
#include "BReverbModel.h"
#include "File.h"
#include "MemoryRegion.h"
#include "MidiEventQueue.h"
#include "Part.h"
#include "Partial.h"
#include "PartialManager.h"
#include "Poly.h"
#include "ROMInfo.h"
#include "TVA.h"
namespace MT32Emu {
// MIDI interface data transfer rate in samples. Used to simulate the transfer delay.
static const double MIDI_DATA_TRANSFER_RATE = double(SAMPLE_RATE) / 31250.0 * 8.0;
// FIXME: there should be more specific feature sets for various MT-32 control ROM versions
static const ControlROMFeatureSet OLD_MT32_COMPATIBLE = { true, true, true };
static const ControlROMFeatureSet CM32L_COMPATIBLE = { false, false, false };
static const ControlROMMap ControlROMMaps[7] = {
// ID Features PCMmap PCMc tmbrA tmbrAO, tmbrAC tmbrB tmbrBO tmbrBC tmbrR trC rhythm rhyC rsrv panpot prog rhyMax patMax sysMax timMax sndGrp sGC
{ "ctrl_mt32_1_04", OLD_MT32_COMPATIBLE, 0x3000, 128, 0x8000, 0x0000, false, 0xC000, 0x4000, false, 0x3200, 30, 0x73A6, 85, 0x57C7, 0x57E2, 0x57D0, 0x5252, 0x525E, 0x526E, 0x520A, 0x7064, 19 },
{ "ctrl_mt32_1_05", OLD_MT32_COMPATIBLE, 0x3000, 128, 0x8000, 0x0000, false, 0xC000, 0x4000, false, 0x3200, 30, 0x7414, 85, 0x57C7, 0x57E2, 0x57D0, 0x5252, 0x525E, 0x526E, 0x520A, 0x70CA, 19 },
{ "ctrl_mt32_1_06", OLD_MT32_COMPATIBLE, 0x3000, 128, 0x8000, 0x0000, false, 0xC000, 0x4000, false, 0x3200, 30, 0x7414, 85, 0x57D9, 0x57F4, 0x57E2, 0x5264, 0x5270, 0x5280, 0x521C, 0x70CA, 19 },
{ "ctrl_mt32_1_07", OLD_MT32_COMPATIBLE, 0x3000, 128, 0x8000, 0x0000, false, 0xC000, 0x4000, false, 0x3200, 30, 0x73fe, 85, 0x57B1, 0x57CC, 0x57BA, 0x523C, 0x5248, 0x5258, 0x51F4, 0x70B0, 19 }, // MT-32 revision 1
{"ctrl_mt32_bluer", OLD_MT32_COMPATIBLE, 0x3000, 128, 0x8000, 0x0000, false, 0xC000, 0x4000, false, 0x3200, 30, 0x741C, 85, 0x57E5, 0x5800, 0x57EE, 0x5270, 0x527C, 0x528C, 0x5228, 0x70CE, 19 }, // MT-32 Blue Ridge mod
{"ctrl_cm32l_1_00", CM32L_COMPATIBLE, 0x8100, 256, 0x8000, 0x8000, true, 0x8080, 0x8000, true, 0x8500, 64, 0x8580, 85, 0x4F65, 0x4F80, 0x4F6E, 0x48A1, 0x48A5, 0x48BE, 0x48D5, 0x5A6C, 19 },
{"ctrl_cm32l_1_02", CM32L_COMPATIBLE, 0x8100, 256, 0x8000, 0x8000, true, 0x8080, 0x8000, true, 0x8500, 64, 0x8580, 85, 0x4F93, 0x4FAE, 0x4F9C, 0x48CB, 0x48CF, 0x48E8, 0x48FF, 0x5A96, 19 } // CM-32L
// (Note that all but CM-32L ROM actually have 86 entries for rhythmTemp)
};
static const PartialState PARTIAL_PHASE_TO_STATE[8] = {
PartialState_ATTACK, PartialState_ATTACK, PartialState_ATTACK, PartialState_ATTACK,
PartialState_SUSTAIN, PartialState_SUSTAIN, PartialState_RELEASE, PartialState_INACTIVE
};
static inline PartialState getPartialState(PartialManager *partialManager, unsigned int partialNum) {
const Partial *partial = partialManager->getPartial(partialNum);
return partial->isActive() ? PARTIAL_PHASE_TO_STATE[partial->getTVA()->getPhase()] : PartialState_INACTIVE;
}
class SampleFormatConverter {
protected:
#if MT32EMU_USE_FLOAT_SAMPLES
Bit16s *outBuffer;
#else
float *outBuffer;
#endif
public:
Sample *sampleBuffer;
SampleFormatConverter(Sample *buffer) : outBuffer(NULL), sampleBuffer(buffer) {}
inline bool isConversionNeeded() {
return outBuffer != NULL;
}
inline void convert(Bit32u len) {
if (sampleBuffer == NULL) return;
if (outBuffer == NULL) {
sampleBuffer += len;
return;
}
Sample *inBuffer = sampleBuffer;
while (len--) {
*(outBuffer++) = Synth::convertSample(*(inBuffer++));
}
}
inline void addSilence(Bit32u len) {
if (outBuffer != NULL) {
Synth::muteSampleBuffer(outBuffer, len);
outBuffer += len;
} else if (sampleBuffer != NULL) {
Synth::muteSampleBuffer(sampleBuffer, len);
sampleBuffer += len;
}
}
};
template <int BUFFER_SIZE_MULTIPLIER = 1>
class BufferedSampleFormatConverter : public SampleFormatConverter {
Sample renderingBuffer[BUFFER_SIZE_MULTIPLIER * MAX_SAMPLES_PER_RUN];
public:
#if MT32EMU_USE_FLOAT_SAMPLES
BufferedSampleFormatConverter(Bit16s *buffer)
#else
BufferedSampleFormatConverter(float *buffer)
#endif
: SampleFormatConverter(renderingBuffer)
{
outBuffer = buffer;
if (buffer == NULL) sampleBuffer = NULL;
}
};
class Renderer {
Synth &synth;
// These buffers are used for building the output streams as they are found at the DAC entrance.
// The output is mixed down to stereo interleaved further in the analog circuitry emulation.
Sample tmpNonReverbLeft[MAX_SAMPLES_PER_RUN], tmpNonReverbRight[MAX_SAMPLES_PER_RUN];
Sample tmpReverbDryLeft[MAX_SAMPLES_PER_RUN], tmpReverbDryRight[MAX_SAMPLES_PER_RUN];
Sample tmpReverbWetLeft[MAX_SAMPLES_PER_RUN], tmpReverbWetRight[MAX_SAMPLES_PER_RUN];
public:
Renderer(Synth &useSynth) : synth(useSynth) {}
void render(SampleFormatConverter &converter, Bit32u len);
void renderStreams(SampleFormatConverter &nonReverbLeft, SampleFormatConverter &nonReverbRight, SampleFormatConverter &reverbDryLeft, SampleFormatConverter &reverbDryRight, SampleFormatConverter &reverbWetLeft, SampleFormatConverter &reverbWetRight, Bit32u len);
void produceLA32Output(Sample *buffer, Bit32u len);
void convertSamplesToOutput(Sample *buffer, Bit32u len);
void doRenderStreams(DACOutputStreams<Sample> &streams, Bit32u len);
};
Bit32u Synth::getLibraryVersionInt() {
return (MT32EMU_VERSION_MAJOR << 16) | (MT32EMU_VERSION_MINOR << 8) | (MT32EMU_VERSION_PATCH);
}
const char *Synth::getLibraryVersionString() {
return MT32EMU_VERSION;
}
Bit8u Synth::calcSysexChecksum(const Bit8u *data, const Bit32u len, const Bit8u initChecksum) {
unsigned int checksum = -initChecksum;
for (unsigned int i = 0; i < len; i++) {
checksum -= data[i];
}
return Bit8u(checksum & 0x7f);
}
Bit32u Synth::getStereoOutputSampleRate(AnalogOutputMode analogOutputMode) {
static const unsigned int SAMPLE_RATES[] = {SAMPLE_RATE, SAMPLE_RATE, SAMPLE_RATE * 3 / 2, SAMPLE_RATE * 3};
return SAMPLE_RATES[analogOutputMode];
}
Synth::Synth(ReportHandler *useReportHandler) : mt32ram(*new MemParams), mt32default(*new MemParams), renderer(*new Renderer(*this)) {
opened = false;
reverbOverridden = false;
partialCount = DEFAULT_MAX_PARTIALS;
controlROMMap = NULL;
controlROMFeatures = NULL;
if (useReportHandler == NULL) {
reportHandler = new ReportHandler;
isDefaultReportHandler = true;
} else {
reportHandler = useReportHandler;
isDefaultReportHandler = false;
}
for (int i = 0; i < 4; i++) {
reverbModels[i] = NULL;
}
reverbModel = NULL;
analog = NULL;
setDACInputMode(DACInputMode_NICE);
setMIDIDelayMode(MIDIDelayMode_DELAY_SHORT_MESSAGES_ONLY);
setOutputGain(1.0f);
setReverbOutputGain(1.0f);
setReversedStereoEnabled(false);
patchTempMemoryRegion = NULL;
rhythmTempMemoryRegion = NULL;
timbreTempMemoryRegion = NULL;
patchesMemoryRegion = NULL;
timbresMemoryRegion = NULL;
systemMemoryRegion = NULL;
displayMemoryRegion = NULL;
resetMemoryRegion = NULL;
paddedTimbreMaxTable = NULL;
partialManager = NULL;
pcmWaves = NULL;
pcmROMData = NULL;
soundGroupNames = NULL;
midiQueue = NULL;
lastReceivedMIDIEventTimestamp = 0;
memset(parts, 0, sizeof(parts));
renderedSampleCount = 0;
reserved = NULL;
}
Synth::~Synth() {
close(); // Make sure we're closed and everything is freed
if (isDefaultReportHandler) {
delete reportHandler;
}
delete &mt32ram;
delete &mt32default;
delete &renderer;
}
void ReportHandler::showLCDMessage(const char *data) {
printf("WRITE-LCD: %s\n", data);
}
void ReportHandler::printDebug(const char *fmt, va_list list) {
vprintf(fmt, list);
printf("\n");
}
void Synth::newTimbreSet(Bit8u partNum, Bit8u timbreGroup, Bit8u timbreNumber, const char patchName[]) {
const char *soundGroupName;
switch (timbreGroup) {
case 1:
timbreNumber += 64;
// Fall-through
case 0:
soundGroupName = soundGroupNames[soundGroupIx[timbreNumber]];
break;
case 2:
soundGroupName = soundGroupNames[controlROMMap->soundGroupsCount - 2];
break;
case 3:
soundGroupName = soundGroupNames[controlROMMap->soundGroupsCount - 1];
break;
default:
soundGroupName = NULL;
break;
}
reportHandler->onProgramChanged(partNum, soundGroupName, patchName);
}
void Synth::printDebug(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
#if MT32EMU_DEBUG_SAMPLESTAMPS > 0
reportHandler->printDebug("[%u]", (va_list)&renderedSampleCount);
#endif
reportHandler->printDebug(fmt, ap);
va_end(ap);
}
void Synth::setReverbEnabled(bool newReverbEnabled) {
if (!opened) return;
if (isReverbEnabled() == newReverbEnabled) return;
if (newReverbEnabled) {
bool oldReverbOverridden = reverbOverridden;
reverbOverridden = false;
refreshSystemReverbParameters();
reverbOverridden = oldReverbOverridden;
} else {
#if MT32EMU_REDUCE_REVERB_MEMORY
reverbModel->close();
#endif
reverbModel = NULL;
}
}
bool Synth::isReverbEnabled() const {
return reverbModel != NULL;
}
void Synth::setReverbOverridden(bool newReverbOverridden) {
reverbOverridden = newReverbOverridden;
}
bool Synth::isReverbOverridden() const {
return reverbOverridden;
}
void Synth::setReverbCompatibilityMode(bool mt32CompatibleMode) {
if (!opened || (isMT32ReverbCompatibilityMode() == mt32CompatibleMode)) return;
bool oldReverbEnabled = isReverbEnabled();
setReverbEnabled(false);
for (int i = 0; i < 4; i++) {
delete reverbModels[i];
}
initReverbModels(mt32CompatibleMode);
setReverbEnabled(oldReverbEnabled);
setReverbOutputGain(reverbOutputGain);
}
bool Synth::isMT32ReverbCompatibilityMode() const {
return opened && (reverbModels[REVERB_MODE_ROOM]->isMT32Compatible(REVERB_MODE_ROOM));
}
bool Synth::isDefaultReverbMT32Compatible() const {
return opened && controlROMFeatures->defaultReverbMT32Compatible;
}
void Synth::setDACInputMode(DACInputMode mode) {
#if MT32EMU_USE_FLOAT_SAMPLES
// We aren't emulating these in float mode, so better to inform the invoker
if ((mode == DACInputMode_GENERATION1) || (mode == DACInputMode_GENERATION2)) {
mode = DACInputMode_NICE;
}
#endif
dacInputMode = mode;
}
DACInputMode Synth::getDACInputMode() const {
return dacInputMode;
}
void Synth::setMIDIDelayMode(MIDIDelayMode mode) {
midiDelayMode = mode;
}
MIDIDelayMode Synth::getMIDIDelayMode() const {
return midiDelayMode;
}
void Synth::setOutputGain(float newOutputGain) {
if (newOutputGain < 0.0f) newOutputGain = -newOutputGain;
outputGain = newOutputGain;
if (analog != NULL) analog->setSynthOutputGain(newOutputGain);
}
float Synth::getOutputGain() const {
return outputGain;
}
void Synth::setReverbOutputGain(float newReverbOutputGain) {
if (newReverbOutputGain < 0.0f) newReverbOutputGain = -newReverbOutputGain;
reverbOutputGain = newReverbOutputGain;
if (analog != NULL) analog->setReverbOutputGain(newReverbOutputGain, isMT32ReverbCompatibilityMode());
}
float Synth::getReverbOutputGain() const {
return reverbOutputGain;
}
void Synth::setReversedStereoEnabled(bool enabled) {
reversedStereoEnabled = enabled;
}
bool Synth::isReversedStereoEnabled() const {
return reversedStereoEnabled;
}
bool Synth::loadControlROM(const ROMImage &controlROMImage) {
File *file = controlROMImage.getFile();
const ROMInfo *controlROMInfo = controlROMImage.getROMInfo();
if ((controlROMInfo == NULL)
|| (controlROMInfo->type != ROMInfo::Control)
|| (controlROMInfo->pairType != ROMInfo::Full)) {
#if MT32EMU_MONITOR_INIT
printDebug("Invalid Control ROM Info provided");
#endif
return false;
}
#if MT32EMU_MONITOR_INIT
printDebug("Found Control ROM: %s, %s", controlROMInfo->shortName, controlROMInfo->description);
#endif
const Bit8u *fileData = file->getData();
memcpy(controlROMData, fileData, CONTROL_ROM_SIZE);
// Control ROM successfully loaded, now check whether it's a known type
controlROMMap = NULL;
controlROMFeatures = NULL;
for (unsigned int i = 0; i < sizeof(ControlROMMaps) / sizeof(ControlROMMaps[0]); i++) {
if (strcmp(controlROMInfo->shortName, ControlROMMaps[i].shortName) == 0) {
controlROMMap = &ControlROMMaps[i];
controlROMFeatures = &controlROMMap->featureSet;
return true;
}
}
#if MT32EMU_MONITOR_INIT
printDebug("Control ROM failed to load");
#endif
return false;
}
bool Synth::loadPCMROM(const ROMImage &pcmROMImage) {
File *file = pcmROMImage.getFile();
const ROMInfo *pcmROMInfo = pcmROMImage.getROMInfo();
if ((pcmROMInfo == NULL)
|| (pcmROMInfo->type != ROMInfo::PCM)
|| (pcmROMInfo->pairType != ROMInfo::Full)) {
return false;
}
#if MT32EMU_MONITOR_INIT
printDebug("Found PCM ROM: %s, %s", pcmROMInfo->shortName, pcmROMInfo->description);
#endif
size_t fileSize = file->getSize();
if (fileSize != (2 * pcmROMSize)) {
#if MT32EMU_MONITOR_INIT
printDebug("PCM ROM file has wrong size (expected %d, got %d)", 2 * pcmROMSize, fileSize);
#endif
return false;
}
const Bit8u *fileData = file->getData();
for (size_t i = 0; i < pcmROMSize; i++) {
Bit8u s = *(fileData++);
Bit8u c = *(fileData++);
int order[16] = {0, 9, 1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 8};
Bit16s log = 0;
for (int u = 0; u < 15; u++) {
int bit;
if (order[u] < 8) {
bit = (s >> (7 - order[u])) & 0x1;
} else {
bit = (c >> (7 - (order[u] - 8))) & 0x1;
}
log = log | Bit16s(bit << (15 - u));
}
pcmROMData[i] = log;
}
return true;
}
bool Synth::initPCMList(Bit16u mapAddress, Bit16u count) {
ControlROMPCMStruct *tps = reinterpret_cast<ControlROMPCMStruct *>(&controlROMData[mapAddress]);
for (int i = 0; i < count; i++) {
Bit32u rAddr = tps[i].pos * 0x800;
Bit32u rLenExp = (tps[i].len & 0x70) >> 4;
Bit32u rLen = 0x800 << rLenExp;
if (rAddr + rLen > pcmROMSize) {
printDebug("Control ROM error: Wave map entry %d points to invalid PCM address 0x%04X, length 0x%04X", i, rAddr, rLen);
return false;
}
pcmWaves[i].addr = rAddr;
pcmWaves[i].len = rLen;
pcmWaves[i].loop = (tps[i].len & 0x80) != 0;
pcmWaves[i].controlROMPCMStruct = &tps[i];
//int pitch = (tps[i].pitchMSB << 8) | tps[i].pitchLSB;
//bool unaffectedByMasterTune = (tps[i].len & 0x01) == 0;
//printDebug("PCM %d: pos=%d, len=%d, pitch=%d, loop=%s, unaffectedByMasterTune=%s", i, rAddr, rLen, pitch, pcmWaves[i].loop ? "YES" : "NO", unaffectedByMasterTune ? "YES" : "NO");
}
return false;
}
bool Synth::initCompressedTimbre(Bit16u timbreNum, const Bit8u *src, Bit32u srcLen) {
// "Compressed" here means that muted partials aren't present in ROM (except in the case of partial 0 being muted).
// Instead the data from the previous unmuted partial is used.
if (srcLen < sizeof(TimbreParam::CommonParam)) {
return false;
}
TimbreParam *timbre = &mt32ram.timbres[timbreNum].timbre;
timbresMemoryRegion->write(timbreNum, 0, src, sizeof(TimbreParam::CommonParam), true);
unsigned int srcPos = sizeof(TimbreParam::CommonParam);
unsigned int memPos = sizeof(TimbreParam::CommonParam);
for (int t = 0; t < 4; t++) {
if (t != 0 && ((timbre->common.partialMute >> t) & 0x1) == 0x00) {
// This partial is muted - we'll copy the previously copied partial, then
srcPos -= sizeof(TimbreParam::PartialParam);
} else if (srcPos + sizeof(TimbreParam::PartialParam) >= srcLen) {
return false;
}
timbresMemoryRegion->write(timbreNum, memPos, src + srcPos, sizeof(TimbreParam::PartialParam));
srcPos += sizeof(TimbreParam::PartialParam);
memPos += sizeof(TimbreParam::PartialParam);
}
return true;
}
bool Synth::initTimbres(Bit16u mapAddress, Bit16u offset, Bit16u count, Bit16u startTimbre, bool compressed) {
const Bit8u *timbreMap = &controlROMData[mapAddress];
for (Bit16u i = 0; i < count * 2; i += 2) {
Bit16u address = (timbreMap[i + 1] << 8) | timbreMap[i];
if (!compressed && (address + offset + sizeof(TimbreParam) > CONTROL_ROM_SIZE)) {
printDebug("Control ROM error: Timbre map entry 0x%04x for timbre %d points to invalid timbre address 0x%04x", i, startTimbre, address);
return false;
}
address += offset;
if (compressed) {
if (!initCompressedTimbre(startTimbre, &controlROMData[address], CONTROL_ROM_SIZE - address)) {
printDebug("Control ROM error: Timbre map entry 0x%04x for timbre %d points to invalid timbre at 0x%04x", i, startTimbre, address);
return false;
}
} else {
timbresMemoryRegion->write(startTimbre, 0, &controlROMData[address], sizeof(TimbreParam), true);
}
startTimbre++;
}
return true;
}
void Synth::initReverbModels(bool mt32CompatibleMode) {
reverbModels[REVERB_MODE_ROOM] = new BReverbModel(REVERB_MODE_ROOM, mt32CompatibleMode);
reverbModels[REVERB_MODE_HALL] = new BReverbModel(REVERB_MODE_HALL, mt32CompatibleMode);
reverbModels[REVERB_MODE_PLATE] = new BReverbModel(REVERB_MODE_PLATE, mt32CompatibleMode);
reverbModels[REVERB_MODE_TAP_DELAY] = new BReverbModel(REVERB_MODE_TAP_DELAY, mt32CompatibleMode);
#if !MT32EMU_REDUCE_REVERB_MEMORY
for (int i = REVERB_MODE_ROOM; i <= REVERB_MODE_TAP_DELAY; i++) {
reverbModels[i]->open();
}
#endif
}
void Synth::initSoundGroups(char newSoundGroupNames[][9]) {
memcpy(soundGroupIx, &controlROMData[controlROMMap->soundGroupsTable - sizeof(soundGroupIx)], sizeof(soundGroupIx));
const SoundGroup *table = reinterpret_cast<SoundGroup *>(&controlROMData[controlROMMap->soundGroupsTable]);
for (unsigned int i = 0; i < controlROMMap->soundGroupsCount; i++) {
memcpy(&newSoundGroupNames[i][0], table[i].name, sizeof(table[i].name));
}
}
bool Synth::open(const ROMImage &controlROMImage, const ROMImage &pcmROMImage, AnalogOutputMode analogOutputMode) {
return open(controlROMImage, pcmROMImage, DEFAULT_MAX_PARTIALS, analogOutputMode);
}
bool Synth::open(const ROMImage &controlROMImage, const ROMImage &pcmROMImage, Bit32u usePartialCount, AnalogOutputMode analogOutputMode) {
if (opened) {
return false;
}
partialCount = usePartialCount;
abortingPoly = NULL;
// This is to help detect bugs
memset(&mt32ram, '?', sizeof(mt32ram));
#if MT32EMU_MONITOR_INIT
printDebug("Loading Control ROM");
#endif
if (!loadControlROM(controlROMImage)) {
printDebug("Init Error - Missing or invalid Control ROM image");
reportHandler->onErrorControlROM();
dispose();
return false;
}
initMemoryRegions();
// 512KB PCM ROM for MT-32, etc.
// 1MB PCM ROM for CM-32L, LAPC-I, CM-64, CM-500
// Note that the size below is given in samples (16-bit), not bytes
pcmROMSize = controlROMMap->pcmCount == 256 ? 512 * 1024 : 256 * 1024;
pcmROMData = new Bit16s[pcmROMSize];
#if MT32EMU_MONITOR_INIT
printDebug("Loading PCM ROM");
#endif
if (!loadPCMROM(pcmROMImage)) {
printDebug("Init Error - Missing PCM ROM image");
reportHandler->onErrorPCMROM();
dispose();
return false;
}
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Reverb Models");
#endif
bool mt32CompatibleReverb = controlROMFeatures->defaultReverbMT32Compatible;
#if MT32EMU_MONITOR_INIT
printDebug("Using %s Compatible Reverb Models", mt32CompatibleReverb ? "MT-32" : "CM-32L");
#endif
initReverbModels(mt32CompatibleReverb);
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Timbre Bank A");
#endif
if (!initTimbres(controlROMMap->timbreAMap, controlROMMap->timbreAOffset, 0x40, 0, controlROMMap->timbreACompressed)) {
dispose();
return false;
}
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Timbre Bank B");
#endif
if (!initTimbres(controlROMMap->timbreBMap, controlROMMap->timbreBOffset, 0x40, 64, controlROMMap->timbreBCompressed)) {
dispose();
return false;
}
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Timbre Bank R");
#endif
if (!initTimbres(controlROMMap->timbreRMap, 0, controlROMMap->timbreRCount, 192, true)) {
dispose();
return false;
}
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Timbre Bank M");
#endif
// CM-64 seems to initialise all bytes in this bank to 0.
memset(&mt32ram.timbres[128], 0, sizeof(mt32ram.timbres[128]) * 64);
partialManager = new PartialManager(this, parts);
pcmWaves = new PCMWaveEntry[controlROMMap->pcmCount];
#if MT32EMU_MONITOR_INIT
printDebug("Initialising PCM List");
#endif
initPCMList(controlROMMap->pcmTable, controlROMMap->pcmCount);
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Rhythm Temp");
#endif
memcpy(mt32ram.rhythmTemp, &controlROMData[controlROMMap->rhythmSettings], controlROMMap->rhythmSettingsCount * 4);
#if MT32EMU_MONITOR_INIT
printDebug("Initialising Patches");
#endif
for (Bit8u i = 0; i < 128; i++) {
PatchParam *patch = &mt32ram.patches[i];
patch->timbreGroup = i / 64;
patch->timbreNum = i % 64;
patch->keyShift = 24;
patch->fineTune = 50;
patch->benderRange = 12;
patch->assignMode = 0;
patch->reverbSwitch = 1;
patch->dummy = 0;
}
#if MT32EMU_MONITOR_INIT
printDebug("Initialising System");
#endif
// The MT-32 manual claims that "Standard pitch" is 442Hz.
mt32ram.system.masterTune = 0x4A; // Confirmed on CM-64
mt32ram.system.reverbMode = 0; // Confirmed
mt32ram.system.reverbTime = 5; // Confirmed
mt32ram.system.reverbLevel = 3; // Confirmed
memcpy(mt32ram.system.reserveSettings, &controlROMData[controlROMMap->reserveSettings], 9); // Confirmed
for (Bit8u i = 0; i < 9; i++) {
// This is the default: {1, 2, 3, 4, 5, 6, 7, 8, 9}
// An alternative configuration can be selected by holding "Master Volume"
// and pressing "PART button 1" on the real MT-32's frontpanel.
// The channel assignment is then {0, 1, 2, 3, 4, 5, 6, 7, 9}
mt32ram.system.chanAssign[i] = i + 1;
}
mt32ram.system.masterVol = 100; // Confirmed
bool oldReverbOverridden = reverbOverridden;
reverbOverridden = false;
refreshSystem();
reverbOverridden = oldReverbOverridden;
char(*writableSoundGroupNames)[9] = new char[controlROMMap->soundGroupsCount][9];
soundGroupNames = writableSoundGroupNames;
initSoundGroups(writableSoundGroupNames);
for (int i = 0; i < 9; i++) {
MemParams::PatchTemp *patchTemp = &mt32ram.patchTemp[i];
// Note that except for the rhythm part, these patch fields will be set in setProgram() below anyway.
patchTemp->patch.timbreGroup = 0;
patchTemp->patch.timbreNum = 0;
patchTemp->patch.keyShift = 24;
patchTemp->patch.fineTune = 50;
patchTemp->patch.benderRange = 12;
patchTemp->patch.assignMode = 0;
patchTemp->patch.reverbSwitch = 1;
patchTemp->patch.dummy = 0;
patchTemp->outputLevel = 80;
patchTemp->panpot = controlROMData[controlROMMap->panSettings + i];
memset(patchTemp->dummyv, 0, sizeof(patchTemp->dummyv));
patchTemp->dummyv[1] = 127;
if (i < 8) {
parts[i] = new Part(this, i);
parts[i]->setProgram(controlROMData[controlROMMap->programSettings + i]);
} else {
parts[i] = new RhythmPart(this, i);
}
}
// For resetting mt32 mid-execution
mt32default = mt32ram;
midiQueue = new MidiEventQueue();
analog = new Analog(analogOutputMode, controlROMFeatures->oldMT32AnalogLPF);
setOutputGain(outputGain);
setReverbOutputGain(reverbOutputGain);
opened = true;
activated = false;
#if MT32EMU_MONITOR_INIT
printDebug("*** Initialisation complete ***");
#endif
return true;
}
void Synth::dispose() {
opened = false;
delete midiQueue;
midiQueue = NULL;
delete analog;
analog = NULL;
delete partialManager;
partialManager = NULL;
for (int i = 0; i < 9; i++) {
delete parts[i];
parts[i] = NULL;
}
delete[] soundGroupNames;
soundGroupNames = NULL;
delete[] pcmWaves;
pcmWaves = NULL;
delete[] pcmROMData;
pcmROMData = NULL;
deleteMemoryRegions();
for (int i = 0; i < 4; i++) {
delete reverbModels[i];
reverbModels[i] = NULL;
}
reverbModel = NULL;
controlROMFeatures = NULL;
controlROMMap = NULL;
}
void Synth::close() {
if (opened) {
dispose();
}
}
bool Synth::isOpen() const {
return opened;
}
void Synth::flushMIDIQueue() {
if (midiQueue != NULL) {
for (;;) {
const MidiEvent *midiEvent = midiQueue->peekMidiEvent();
if (midiEvent == NULL) break;
if (midiEvent->sysexData == NULL) {
playMsgNow(midiEvent->shortMessageData);
} else {
playSysexNow(midiEvent->sysexData, midiEvent->sysexLength);
}
midiQueue->dropMidiEvent();
}
lastReceivedMIDIEventTimestamp = renderedSampleCount;
}
}
Bit32u Synth::setMIDIEventQueueSize(Bit32u useSize) {
static const Bit32u MAX_QUEUE_SIZE = (1 << 24); // This results in about 256 Mb - much greater than any reasonable value
if (midiQueue == NULL) return 0;
flushMIDIQueue();
// Find a power of 2 that is >= useSize
Bit32u binarySize = 1;
if (useSize < MAX_QUEUE_SIZE) {
// Using simple linear search as this isn't time critical
while (binarySize < useSize) binarySize <<= 1;
} else {
binarySize = MAX_QUEUE_SIZE;
}
delete midiQueue;
midiQueue = new MidiEventQueue(binarySize);
return binarySize;
}
Bit32u Synth::getShortMessageLength(Bit32u msg) {
if ((msg & 0xF0) == 0xF0) {
switch (msg & 0xFF) {
case 0xF1:
case 0xF3:
return 2;
case 0xF2:
return 3;
default:
return 1;
}
}
// NOTE: This calculation isn't quite correct
// as it doesn't consider the running status byte
return ((msg & 0xE0) == 0xC0) ? 2 : 3;
}
Bit32u Synth::addMIDIInterfaceDelay(Bit32u len, Bit32u timestamp) {
Bit32u transferTime = Bit32u(double(len) * MIDI_DATA_TRANSFER_RATE);
// Dealing with wrapping
if (Bit32s(timestamp - lastReceivedMIDIEventTimestamp) < 0) {
timestamp = lastReceivedMIDIEventTimestamp;
}
timestamp += transferTime;
lastReceivedMIDIEventTimestamp = timestamp;
return timestamp;
}
bool Synth::playMsg(Bit32u msg) {
return playMsg(msg, renderedSampleCount);
}
bool Synth::playMsg(Bit32u msg, Bit32u timestamp) {
if ((msg & 0xF8) == 0xF8) {
reportHandler->onMIDISystemRealtime(Bit8u(msg));
return true;
}
if (midiQueue == NULL) return false;
if (midiDelayMode != MIDIDelayMode_IMMEDIATE) {
timestamp = addMIDIInterfaceDelay(getShortMessageLength(msg), timestamp);
}
if (!activated) activated = true;
do {
if (midiQueue->pushShortMessage(msg, timestamp)) return true;
} while (reportHandler->onMIDIQueueOverflow());
return false;
}
bool Synth::playSysex(const Bit8u *sysex, Bit32u len) {
return playSysex(sysex, len, renderedSampleCount);
}
bool Synth::playSysex(const Bit8u *sysex, Bit32u len, Bit32u timestamp) {
if (midiQueue == NULL) return false;
if (midiDelayMode == MIDIDelayMode_DELAY_ALL) {
timestamp = addMIDIInterfaceDelay(len, timestamp);
}
if (!activated) activated = true;
do {
if (midiQueue->pushSysex(sysex, len, timestamp)) return true;
} while (reportHandler->onMIDIQueueOverflow());
return false;
}
void Synth::playMsgNow(Bit32u msg) {
if (!opened) return;
// NOTE: Active sense IS implemented in real hardware. However, realtime processing is clearly out of the library scope.
// It is assumed that realtime consumers of the library respond to these MIDI events as appropriate.
Bit8u code = Bit8u((msg & 0x0000F0) >> 4);
Bit8u chan = Bit8u(msg & 0x00000F);
Bit8u note = Bit8u((msg & 0x007F00) >> 8);
Bit8u velocity = Bit8u((msg & 0x7F0000) >> 16);
//printDebug("Playing chan %d, code 0x%01x note: 0x%02x", chan, code, note);
Bit8u part = chantable[chan];
if (part > 8) {
#if MT32EMU_MONITOR_MIDI > 0
printDebug("Play msg on unreg chan %d (%d): code=0x%01x, vel=%d", chan, part, code, velocity);
#endif
return;
}
playMsgOnPart(part, code, note, velocity);
}
void Synth::playMsgOnPart(Bit8u part, Bit8u code, Bit8u note, Bit8u velocity) {
if (!opened) return;
Bit32u bend;
if (!activated) activated = true;
//printDebug("Synth::playMsgOnPart(%02x, %02x, %02x, %02x)", part, code, note, velocity);
switch (code) {
case 0x8:
//printDebug("Note OFF - Part %d", part);
// The MT-32 ignores velocity for note off
parts[part]->noteOff(note);
break;
case 0x9:
//printDebug("Note ON - Part %d, Note %d Vel %d", part, note, velocity);
if (velocity == 0) {
// MIDI defines note-on with velocity 0 as being the same as note-off with velocity 40
parts[part]->noteOff(note);
} else {
parts[part]->noteOn(note, velocity);
}
break;
case 0xB: // Control change
switch (note) {
case 0x01: // Modulation
//printDebug("Modulation: %d", velocity);
parts[part]->setModulation(velocity);
break;
case 0x06:
parts[part]->setDataEntryMSB(velocity);
break;
case 0x07: // Set volume
//printDebug("Volume set: %d", velocity);
parts[part]->setVolume(velocity);
break;
case 0x0A: // Pan
//printDebug("Pan set: %d", velocity);
parts[part]->setPan(velocity);
break;
case 0x0B:
//printDebug("Expression set: %d", velocity);
parts[part]->setExpression(velocity);
break;
case 0x40: // Hold (sustain) pedal
//printDebug("Hold pedal set: %d", velocity);
parts[part]->setHoldPedal(velocity >= 64);
break;
case 0x62:
case 0x63:
parts[part]->setNRPN();
break;
case 0x64:
parts[part]->setRPNLSB(velocity);
break;
case 0x65:
parts[part]->setRPNMSB(velocity);
break;
case 0x79: // Reset all controllers
//printDebug("Reset all controllers");
parts[part]->resetAllControllers();
break;
case 0x7B: // All notes off
//printDebug("All notes off");
parts[part]->allNotesOff();
break;
case 0x7C:
case 0x7D:
case 0x7E:
case 0x7F:
// CONFIRMED:Mok: A real LAPC-I responds to these controllers as follows:
parts[part]->setHoldPedal(false);
parts[part]->allNotesOff();
break;
default:
#if MT32EMU_MONITOR_MIDI > 0
printDebug("Unknown MIDI Control code: 0x%02x - vel 0x%02x", note, velocity);
#endif
return;
}
break;
case 0xC: // Program change
//printDebug("Program change %01x", note);
parts[part]->setProgram(note);
break;
case 0xE: // Pitch bender
bend = (velocity << 7) | (note);
//printDebug("Pitch bender %02x", bend);
parts[part]->setBend(bend);
break;
default:
#if MT32EMU_MONITOR_MIDI > 0
printDebug("Unknown Midi code: 0x%01x - %02x - %02x", code, note, velocity);
#endif
return;
}
reportHandler->onMIDIMessagePlayed();
}
void Synth::playSysexNow(const Bit8u *sysex, Bit32u len) {
if (len < 2) {
printDebug("playSysex: Message is too short for sysex (%d bytes)", len);
}
if (sysex[0] != 0xF0) {
printDebug("playSysex: Message lacks start-of-sysex (0xF0)");
return;
}
// Due to some programs (e.g. Java) sending buffers with junk at the end, we have to go through and find the end marker rather than relying on len.
Bit32u endPos;
for (endPos = 1; endPos < len; endPos++) {
if (sysex[endPos] == 0xF7) {
break;
}
}
if (endPos == len) {
printDebug("playSysex: Message lacks end-of-sysex (0xf7)");
return;
}
playSysexWithoutFraming(sysex + 1, endPos - 1);
}
void Synth::playSysexWithoutFraming(const Bit8u *sysex, Bit32u len) {
if (len < 4) {
printDebug("playSysexWithoutFraming: Message is too short (%d bytes)!", len);
return;
}
if (sysex[0] != SYSEX_MANUFACTURER_ROLAND) {
printDebug("playSysexWithoutFraming: Header not intended for this device manufacturer: %02x %02x %02x %02x", int(sysex[0]), int(sysex[1]), int(sysex[2]), int(sysex[3]));
return;
}
if (sysex[2] == SYSEX_MDL_D50) {
printDebug("playSysexWithoutFraming: Header is intended for model D-50 (not yet supported): %02x %02x %02x %02x", int(sysex[0]), int(sysex[1]), int(sysex[2]), int(sysex[3]));
return;
} else if (sysex[2] != SYSEX_MDL_MT32) {
printDebug("playSysexWithoutFraming: Header not intended for model MT-32: %02x %02x %02x %02x", int(sysex[0]), int(sysex[1]), int(sysex[2]), int(sysex[3]));
return;
}
playSysexWithoutHeader(sysex[1], sysex[3], sysex + 4, len - 4);
}
void Synth::playSysexWithoutHeader(Bit8u device, Bit8u command, const Bit8u *sysex, Bit32u len) {
if (device > 0x10) {
// We have device ID 0x10 (default, but changeable, on real MT-32), < 0x10 is for channels
printDebug("playSysexWithoutHeader: Message is not intended for this device ID (provided: %02x, expected: 0x10 or channel)", int(device));
return;
}
// This is checked early in the real devices (before any sysex length checks or further processing)
// FIXME: Response to SYSEX_CMD_DAT reset with partials active (and in general) is untested.
if ((command == SYSEX_CMD_DT1 || command == SYSEX_CMD_DAT) && sysex[0] == 0x7F) {
reset();
return;
}
if (command == SYSEX_CMD_EOD) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("playSysexWithoutHeader: Ignored unsupported command %02x", command);
#endif
return;
}
if (len < 4) {
printDebug("playSysexWithoutHeader: Message is too short (%d bytes)!", len);
return;
}
Bit8u checksum = calcSysexChecksum(sysex, len - 1);
if (checksum != sysex[len - 1]) {
printDebug("playSysexWithoutHeader: Message checksum is incorrect (provided: %02x, expected: %02x)!", sysex[len - 1], checksum);
return;
}
len -= 1; // Exclude checksum
switch (command) {
case SYSEX_CMD_WSD:
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("playSysexWithoutHeader: Ignored unsupported command %02x", command);
#endif
break;
case SYSEX_CMD_DAT:
/* Outcommented until we (ever) actually implement handshake communication
if (hasActivePartials()) {
printDebug("playSysexWithoutHeader: Got SYSEX_CMD_DAT but partials are active - ignoring");
// FIXME: We should send SYSEX_CMD_RJC in this case
break;
}
*/
// fall through
case SYSEX_CMD_DT1:
writeSysex(device, sysex, len);
break;
case SYSEX_CMD_RQD:
if (hasActivePartials()) {
printDebug("playSysexWithoutHeader: Got SYSEX_CMD_RQD but partials are active - ignoring");
// FIXME: We should send SYSEX_CMD_RJC in this case
break;
}
// fall through
case SYSEX_CMD_RQ1:
readSysex(device, sysex, len);
break;
default:
printDebug("playSysexWithoutHeader: Unsupported command %02x", command);
return;
}
}
void Synth::readSysex(Bit8u /*device*/, const Bit8u * /*sysex*/, Bit32u /*len*/) const {
// NYI
}
void Synth::writeSysex(Bit8u device, const Bit8u *sysex, Bit32u len) {
if (!opened) return;
reportHandler->onMIDIMessagePlayed();
Bit32u addr = (sysex[0] << 16) | (sysex[1] << 8) | (sysex[2]);
addr = MT32EMU_MEMADDR(addr);
sysex += 3;
len -= 3;
//printDebug("Sysex addr: 0x%06x", MT32EMU_SYSEXMEMADDR(addr));
// NOTE: Please keep both lower and upper bounds in each check, for ease of reading
// Process channel-specific sysex by converting it to device-global
if (device < 0x10) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("WRITE-CHANNEL: Channel %d temp area 0x%06x", device, MT32EMU_SYSEXMEMADDR(addr));
#endif
if (/*addr >= MT32EMU_MEMADDR(0x000000) && */addr < MT32EMU_MEMADDR(0x010000)) {
int offset;
if (chantable[device] > 8) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Channel not mapped to a part... 0 offset)");
#endif
offset = 0;
} else if (chantable[device] == 8) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Channel mapped to rhythm... 0 offset)");
#endif
offset = 0;
} else {
offset = chantable[device] * sizeof(MemParams::PatchTemp);
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Setting extra offset to %d)", offset);
#endif
}
addr += MT32EMU_MEMADDR(0x030000) + offset;
} else if (/*addr >= MT32EMU_MEMADDR(0x010000) && */ addr < MT32EMU_MEMADDR(0x020000)) {
addr += MT32EMU_MEMADDR(0x030110) - MT32EMU_MEMADDR(0x010000);
} else if (/*addr >= MT32EMU_MEMADDR(0x020000) && */ addr < MT32EMU_MEMADDR(0x030000)) {
int offset;
if (chantable[device] > 8) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Channel not mapped to a part... 0 offset)");
#endif
offset = 0;
} else if (chantable[device] == 8) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Channel mapped to rhythm... 0 offset)");
#endif
offset = 0;
} else {
offset = chantable[device] * sizeof(TimbreParam);
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Setting extra offset to %d)", offset);
#endif
}
addr += MT32EMU_MEMADDR(0x040000) - MT32EMU_MEMADDR(0x020000) + offset;
} else {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" Invalid channel");
#endif
return;
}
}
// Process device-global sysex (possibly converted from channel-specific sysex above)
for (;;) {
// Find the appropriate memory region
const MemoryRegion *region = findMemoryRegion(addr);
if (region == NULL) {
printDebug("Sysex write to unrecognised address %06x, len %d", MT32EMU_SYSEXMEMADDR(addr), len);
break;
}
writeMemoryRegion(region, addr, region->getClampedLen(addr, len), sysex);
Bit32u next = region->next(addr, len);
if (next == 0) {
break;
}
addr += next;
sysex += next;
len -= next;
}
}
void Synth::readMemory(Bit32u addr, Bit32u len, Bit8u *data) {
if (!opened) return;
const MemoryRegion *region = findMemoryRegion(addr);
if (region != NULL) {
readMemoryRegion(region, addr, len, data);
}
}
void Synth::initMemoryRegions() {
// Timbre max tables are slightly more complicated than the others, which are used directly from the ROM.
// The ROM (sensibly) just has maximums for TimbreParam.commonParam followed by just one TimbreParam.partialParam,
// so we produce a table with all partialParams filled out, as well as padding for PaddedTimbre, for quick lookup.
paddedTimbreMaxTable = new Bit8u[sizeof(MemParams::PaddedTimbre)];
memcpy(&paddedTimbreMaxTable[0], &controlROMData[controlROMMap->timbreMaxTable], sizeof(TimbreParam::CommonParam) + sizeof(TimbreParam::PartialParam)); // commonParam and one partialParam
int pos = sizeof(TimbreParam::CommonParam) + sizeof(TimbreParam::PartialParam);
for (int i = 0; i < 3; i++) {
memcpy(&paddedTimbreMaxTable[pos], &controlROMData[controlROMMap->timbreMaxTable + sizeof(TimbreParam::CommonParam)], sizeof(TimbreParam::PartialParam));
pos += sizeof(TimbreParam::PartialParam);
}
memset(&paddedTimbreMaxTable[pos], 0, 10); // Padding
patchTempMemoryRegion = new PatchTempMemoryRegion(this, reinterpret_cast<Bit8u *>(&mt32ram.patchTemp[0]), &controlROMData[controlROMMap->patchMaxTable]);
rhythmTempMemoryRegion = new RhythmTempMemoryRegion(this, reinterpret_cast<Bit8u *>(&mt32ram.rhythmTemp[0]), &controlROMData[controlROMMap->rhythmMaxTable]);
timbreTempMemoryRegion = new TimbreTempMemoryRegion(this, reinterpret_cast<Bit8u *>(&mt32ram.timbreTemp[0]), paddedTimbreMaxTable);
patchesMemoryRegion = new PatchesMemoryRegion(this, reinterpret_cast<Bit8u *>(&mt32ram.patches[0]), &controlROMData[controlROMMap->patchMaxTable]);
timbresMemoryRegion = new TimbresMemoryRegion(this, reinterpret_cast<Bit8u *>(&mt32ram.timbres[0]), paddedTimbreMaxTable);
systemMemoryRegion = new SystemMemoryRegion(this, reinterpret_cast<Bit8u *>(&mt32ram.system), &controlROMData[controlROMMap->systemMaxTable]);
displayMemoryRegion = new DisplayMemoryRegion(this);
resetMemoryRegion = new ResetMemoryRegion(this);
}
void Synth::deleteMemoryRegions() {
delete patchTempMemoryRegion;
patchTempMemoryRegion = NULL;
delete rhythmTempMemoryRegion;
rhythmTempMemoryRegion = NULL;
delete timbreTempMemoryRegion;
timbreTempMemoryRegion = NULL;
delete patchesMemoryRegion;
patchesMemoryRegion = NULL;
delete timbresMemoryRegion;
timbresMemoryRegion = NULL;
delete systemMemoryRegion;
systemMemoryRegion = NULL;
delete displayMemoryRegion;
displayMemoryRegion = NULL;
delete resetMemoryRegion;
resetMemoryRegion = NULL;
delete[] paddedTimbreMaxTable;
paddedTimbreMaxTable = NULL;
}
MemoryRegion *Synth::findMemoryRegion(Bit32u addr) {
MemoryRegion *regions[] = {
patchTempMemoryRegion,
rhythmTempMemoryRegion,
timbreTempMemoryRegion,
patchesMemoryRegion,
timbresMemoryRegion,
systemMemoryRegion,
displayMemoryRegion,
resetMemoryRegion,
NULL
};
for (int pos = 0; regions[pos] != NULL; pos++) {
if (regions[pos]->contains(addr)) {
return regions[pos];
}
}
return NULL;
}
void Synth::readMemoryRegion(const MemoryRegion *region, Bit32u addr, Bit32u len, Bit8u *data) {
unsigned int first = region->firstTouched(addr);
//unsigned int last = region->lastTouched(addr, len);
unsigned int off = region->firstTouchedOffset(addr);
len = region->getClampedLen(addr, len);
unsigned int m;
if (region->isReadable()) {
region->read(first, off, data, len);
} else {
// FIXME: We might want to do these properly in future
for (m = 0; m < len; m += 2) {
data[m] = 0xff;
if (m + 1 < len) {
data[m+1] = Bit8u(region->type);
}
}
}
}
void Synth::writeMemoryRegion(const MemoryRegion *region, Bit32u addr, Bit32u len, const Bit8u *data) {
unsigned int first = region->firstTouched(addr);
unsigned int last = region->lastTouched(addr, len);
unsigned int off = region->firstTouchedOffset(addr);
switch (region->type) {
case MR_PatchTemp:
region->write(first, off, data, len);
//printDebug("Patch temp: Patch %d, offset %x, len %d", off/16, off % 16, len);
for (unsigned int i = first; i <= last; i++) {
int absTimbreNum = mt32ram.patchTemp[i].patch.timbreGroup * 64 + mt32ram.patchTemp[i].patch.timbreNum;
char timbreName[11];
memcpy(timbreName, mt32ram.timbres[absTimbreNum].timbre.common.name, 10);
timbreName[10] = 0;
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("WRITE-PARTPATCH (%d-%d@%d..%d): %d; timbre=%d (%s), outlevel=%d", first, last, off, off + len, i, absTimbreNum, timbreName, mt32ram.patchTemp[i].outputLevel);
#endif
if (parts[i] != NULL) {
if (i != 8) {
// Note: Confirmed on CM-64 that we definitely *should* update the timbre here,
// but only in the case that the sysex actually writes to those values
if (i == first && off > 2) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Not updating timbre, since those values weren't touched)");
#endif
} else {
parts[i]->setTimbre(&mt32ram.timbres[parts[i]->getAbsTimbreNum()].timbre);
}
}
parts[i]->refresh();
}
}
break;
case MR_RhythmTemp:
region->write(first, off, data, len);
for (unsigned int i = first; i <= last; i++) {
int timbreNum = mt32ram.rhythmTemp[i].timbre;
char timbreName[11];
if (timbreNum < 94) {
memcpy(timbreName, mt32ram.timbres[128 + timbreNum].timbre.common.name, 10);
timbreName[10] = 0;
} else {
strcpy(timbreName, "[None]");
}
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("WRITE-RHYTHM (%d-%d@%d..%d): %d; level=%02x, panpot=%02x, reverb=%02x, timbre=%d (%s)", first, last, off, off + len, i, mt32ram.rhythmTemp[i].outputLevel, mt32ram.rhythmTemp[i].panpot, mt32ram.rhythmTemp[i].reverbSwitch, mt32ram.rhythmTemp[i].timbre, timbreName);
#endif
}
if (parts[8] != NULL) {
parts[8]->refresh();
}
break;
case MR_TimbreTemp:
region->write(first, off, data, len);
for (unsigned int i = first; i <= last; i++) {
char instrumentName[11];
memcpy(instrumentName, mt32ram.timbreTemp[i].common.name, 10);
instrumentName[10] = 0;
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("WRITE-PARTTIMBRE (%d-%d@%d..%d): timbre=%d (%s)", first, last, off, off + len, i, instrumentName);
#endif
if (parts[i] != NULL) {
parts[i]->refresh();
}
}
break;
case MR_Patches:
region->write(first, off, data, len);
#if MT32EMU_MONITOR_SYSEX > 0
for (unsigned int i = first; i <= last; i++) {
PatchParam *patch = &mt32ram.patches[i];
int patchAbsTimbreNum = patch->timbreGroup * 64 + patch->timbreNum;
char instrumentName[11];
memcpy(instrumentName, mt32ram.timbres[patchAbsTimbreNum].timbre.common.name, 10);
instrumentName[10] = 0;
Bit8u *n = (Bit8u *)patch;
printDebug("WRITE-PATCH (%d-%d@%d..%d): %d; timbre=%d (%s) %02X%02X%02X%02X%02X%02X%02X%02X", first, last, off, off + len, i, patchAbsTimbreNum, instrumentName, n[0], n[1], n[2], n[3], n[4], n[5], n[6], n[7]);
}
#endif
break;
case MR_Timbres:
// Timbres
first += 128;
last += 128;
region->write(first, off, data, len);
for (unsigned int i = first; i <= last; i++) {
#if MT32EMU_MONITOR_TIMBRES >= 1
TimbreParam *timbre = &mt32ram.timbres[i].timbre;
char instrumentName[11];
memcpy(instrumentName, timbre->common.name, 10);
instrumentName[10] = 0;
printDebug("WRITE-TIMBRE (%d-%d@%d..%d): %d; name=\"%s\"", first, last, off, off + len, i, instrumentName);
#if MT32EMU_MONITOR_TIMBRES >= 2
#define DT(x) printDebug(" " #x ": %d", timbre->x)
DT(common.partialStructure12);
DT(common.partialStructure34);
DT(common.partialMute);
DT(common.noSustain);
#define DTP(x) \
DT(partial[x].wg.pitchCoarse); \
DT(partial[x].wg.pitchFine); \
DT(partial[x].wg.pitchKeyfollow); \
DT(partial[x].wg.pitchBenderEnabled); \
DT(partial[x].wg.waveform); \
DT(partial[x].wg.pcmWave); \
DT(partial[x].wg.pulseWidth); \
DT(partial[x].wg.pulseWidthVeloSensitivity); \
DT(partial[x].pitchEnv.depth); \
DT(partial[x].pitchEnv.veloSensitivity); \
DT(partial[x].pitchEnv.timeKeyfollow); \
DT(partial[x].pitchEnv.time[0]); \
DT(partial[x].pitchEnv.time[1]); \
DT(partial[x].pitchEnv.time[2]); \
DT(partial[x].pitchEnv.time[3]); \
DT(partial[x].pitchEnv.level[0]); \
DT(partial[x].pitchEnv.level[1]); \
DT(partial[x].pitchEnv.level[2]); \
DT(partial[x].pitchEnv.level[3]); \
DT(partial[x].pitchEnv.level[4]); \
DT(partial[x].pitchLFO.rate); \
DT(partial[x].pitchLFO.depth); \
DT(partial[x].pitchLFO.modSensitivity); \
DT(partial[x].tvf.cutoff); \
DT(partial[x].tvf.resonance); \
DT(partial[x].tvf.keyfollow); \
DT(partial[x].tvf.biasPoint); \
DT(partial[x].tvf.biasLevel); \
DT(partial[x].tvf.envDepth); \
DT(partial[x].tvf.envVeloSensitivity); \
DT(partial[x].tvf.envDepthKeyfollow); \
DT(partial[x].tvf.envTimeKeyfollow); \
DT(partial[x].tvf.envTime[0]); \
DT(partial[x].tvf.envTime[1]); \
DT(partial[x].tvf.envTime[2]); \
DT(partial[x].tvf.envTime[3]); \
DT(partial[x].tvf.envTime[4]); \
DT(partial[x].tvf.envLevel[0]); \
DT(partial[x].tvf.envLevel[1]); \
DT(partial[x].tvf.envLevel[2]); \
DT(partial[x].tvf.envLevel[3]); \
DT(partial[x].tva.level); \
DT(partial[x].tva.veloSensitivity); \
DT(partial[x].tva.biasPoint1); \
DT(partial[x].tva.biasLevel1); \
DT(partial[x].tva.biasPoint2); \
DT(partial[x].tva.biasLevel2); \
DT(partial[x].tva.envTimeKeyfollow); \
DT(partial[x].tva.envTimeVeloSensitivity); \
DT(partial[x].tva.envTime[0]); \
DT(partial[x].tva.envTime[1]); \
DT(partial[x].tva.envTime[2]); \
DT(partial[x].tva.envTime[3]); \
DT(partial[x].tva.envTime[4]); \
DT(partial[x].tva.envLevel[0]); \
DT(partial[x].tva.envLevel[1]); \
DT(partial[x].tva.envLevel[2]); \
DT(partial[x].tva.envLevel[3]);
DTP(0);
DTP(1);
DTP(2);
DTP(3);
#undef DTP
#undef DT
#endif
#endif
// FIXME:KG: Not sure if the stuff below should be done (for rhythm and/or parts)...
// Does the real MT-32 automatically do this?
for (unsigned int part = 0; part < 9; part++) {
if (parts[part] != NULL) {
parts[part]->refreshTimbre(i);
}
}
}
break;
case MR_System:
region->write(0, off, data, len);
reportHandler->onDeviceReconfig();
// FIXME: We haven't properly confirmed any of this behaviour
// In particular, we tend to reset things such as reverb even if the write contained
// the same parameters as were already set, which may be wrong.
// On the other hand, the real thing could be resetting things even when they aren't touched
// by the write at all.
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("WRITE-SYSTEM:");
#endif
if (off <= SYSTEM_MASTER_TUNE_OFF && off + len > SYSTEM_MASTER_TUNE_OFF) {
refreshSystemMasterTune();
}
if (off <= SYSTEM_REVERB_LEVEL_OFF && off + len > SYSTEM_REVERB_MODE_OFF) {
refreshSystemReverbParameters();
}
if (off <= SYSTEM_RESERVE_SETTINGS_END_OFF && off + len > SYSTEM_RESERVE_SETTINGS_START_OFF) {
refreshSystemReserveSettings();
}
if (off <= SYSTEM_CHAN_ASSIGN_END_OFF && off + len > SYSTEM_CHAN_ASSIGN_START_OFF) {
int firstPart = off - SYSTEM_CHAN_ASSIGN_START_OFF;
if(firstPart < 0)
firstPart = 0;
int lastPart = off + len - SYSTEM_CHAN_ASSIGN_START_OFF;
if(lastPart > 8)
lastPart = 8;
refreshSystemChanAssign(Bit8u(firstPart), Bit8u(lastPart));
}
if (off <= SYSTEM_MASTER_VOL_OFF && off + len > SYSTEM_MASTER_VOL_OFF) {
refreshSystemMasterVol();
}
break;
case MR_Display:
char buf[SYSEX_BUFFER_SIZE];
memcpy(&buf, &data[0], len);
buf[len] = 0;
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("WRITE-LCD: %s", buf);
#endif
reportHandler->showLCDMessage(buf);
break;
case MR_Reset:
reset();
break;
}
}
void Synth::refreshSystemMasterTune() {
#if MT32EMU_MONITOR_SYSEX > 0
//FIXME:KG: This is just an educated guess.
// The LAPC-I documentation claims a range of 427.5Hz-452.6Hz (similar to what we have here)
// The MT-32 documentation claims a range of 432.1Hz-457.6Hz
float masterTune = 440.0f * EXP2F((mt32ram.system.masterTune - 64.0f) / (128.0f * 12.0f));
printDebug(" Master Tune: %f", masterTune);
#endif
}
void Synth::refreshSystemReverbParameters() {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" Reverb: mode=%d, time=%d, level=%d", mt32ram.system.reverbMode, mt32ram.system.reverbTime, mt32ram.system.reverbLevel);
#endif
if (reverbOverridden) {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" (Reverb overridden - ignoring)");
#endif
return;
}
reportHandler->onNewReverbMode(mt32ram.system.reverbMode);
reportHandler->onNewReverbTime(mt32ram.system.reverbTime);
reportHandler->onNewReverbLevel(mt32ram.system.reverbLevel);
BReverbModel *oldReverbModel = reverbModel;
if (mt32ram.system.reverbTime == 0 && mt32ram.system.reverbLevel == 0) {
// Setting both time and level to 0 effectively disables wet reverb output on real devices.
// Take a shortcut in this case to reduce CPU load.
reverbModel = NULL;
} else {
reverbModel = reverbModels[mt32ram.system.reverbMode];
}
if (reverbModel != oldReverbModel) {
#if MT32EMU_REDUCE_REVERB_MEMORY
if (oldReverbModel != NULL) {
oldReverbModel->close();
}
if (isReverbEnabled()) {
reverbModel->open();
}
#else
if (isReverbEnabled()) {
reverbModel->mute();
}
#endif
}
if (isReverbEnabled()) {
reverbModel->setParameters(mt32ram.system.reverbTime, mt32ram.system.reverbLevel);
}
}
void Synth::refreshSystemReserveSettings() {
Bit8u *rset = mt32ram.system.reserveSettings;
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" Partial reserve: 1=%02d 2=%02d 3=%02d 4=%02d 5=%02d 6=%02d 7=%02d 8=%02d Rhythm=%02d", rset[0], rset[1], rset[2], rset[3], rset[4], rset[5], rset[6], rset[7], rset[8]);
#endif
partialManager->setReserve(rset);
}
void Synth::refreshSystemChanAssign(Bit8u firstPart, Bit8u lastPart) {
memset(chantable, 0xFF, sizeof(chantable));
// CONFIRMED: In the case of assigning a channel to multiple parts, the lower part wins.
for (Bit32u i = 0; i <= 8; i++) {
if (parts[i] != NULL && i >= firstPart && i <= lastPart) {
// CONFIRMED: Decay is started for all polys, and all controllers are reset, for every part whose assignment was touched by the sysex write.
parts[i]->allSoundOff();
parts[i]->resetAllControllers();
}
Bit8u chan = mt32ram.system.chanAssign[i];
if (chan < 16 && chantable[chan] > 8) {
chantable[chan] = Bit8u(i);
}
}
#if MT32EMU_MONITOR_SYSEX > 0
Bit8u *rset = mt32ram.system.chanAssign;
printDebug(" Part assign: 1=%02d 2=%02d 3=%02d 4=%02d 5=%02d 6=%02d 7=%02d 8=%02d Rhythm=%02d", rset[0], rset[1], rset[2], rset[3], rset[4], rset[5], rset[6], rset[7], rset[8]);
#endif
}
void Synth::refreshSystemMasterVol() {
#if MT32EMU_MONITOR_SYSEX > 0
printDebug(" Master volume: %d", mt32ram.system.masterVol);
#endif
}
void Synth::refreshSystem() {
refreshSystemMasterTune();
refreshSystemReverbParameters();
refreshSystemReserveSettings();
refreshSystemChanAssign(0, 8);
refreshSystemMasterVol();
}
void Synth::reset() {
if (!opened) return;
#if MT32EMU_MONITOR_SYSEX > 0
printDebug("RESET");
#endif
reportHandler->onDeviceReset();
partialManager->deactivateAll();
mt32ram = mt32default;
for (int i = 0; i < 9; i++) {
parts[i]->reset();
if (i != 8) {
parts[i]->setProgram(controlROMData[controlROMMap->programSettings + i]);
} else {
parts[8]->refresh();
}
}
refreshSystem();
isActive();
}
MidiEvent::~MidiEvent() {
if (sysexData != NULL) {
delete[] sysexData;
}
}
void MidiEvent::setShortMessage(Bit32u useShortMessageData, Bit32u useTimestamp) {
if (sysexData != NULL) {
delete[] sysexData;
}
shortMessageData = useShortMessageData;
timestamp = useTimestamp;
sysexData = NULL;
sysexLength = 0;
}
void MidiEvent::setSysex(const Bit8u *useSysexData, Bit32u useSysexLength, Bit32u useTimestamp) {
if (sysexData != NULL) {
delete[] sysexData;
}
shortMessageData = 0;
timestamp = useTimestamp;
sysexLength = useSysexLength;
Bit8u *dstSysexData = new Bit8u[sysexLength];
sysexData = dstSysexData;
memcpy(dstSysexData, useSysexData, sysexLength);
}
MidiEventQueue::MidiEventQueue(Bit32u useRingBufferSize) : ringBuffer(new MidiEvent[useRingBufferSize]), ringBufferMask(useRingBufferSize - 1) {
memset(ringBuffer, 0, useRingBufferSize * sizeof(MidiEvent));
reset();
}
MidiEventQueue::~MidiEventQueue() {
delete[] ringBuffer;
}
void MidiEventQueue::reset() {
startPosition = 0;
endPosition = 0;
}
bool MidiEventQueue::pushShortMessage(Bit32u shortMessageData, Bit32u timestamp) {
Bit32u newEndPosition = (endPosition + 1) & ringBufferMask;
// Is ring buffer full?
if (startPosition == newEndPosition) return false;
ringBuffer[endPosition].setShortMessage(shortMessageData, timestamp);
endPosition = newEndPosition;
return true;
}
bool MidiEventQueue::pushSysex(const Bit8u *sysexData, Bit32u sysexLength, Bit32u timestamp) {
Bit32u newEndPosition = (endPosition + 1) & ringBufferMask;
// Is ring buffer full?
if (startPosition == newEndPosition) return false;
ringBuffer[endPosition].setSysex(sysexData, sysexLength, timestamp);
endPosition = newEndPosition;
return true;
}
const MidiEvent *MidiEventQueue::peekMidiEvent() {
return isEmpty() ? NULL : &ringBuffer[startPosition];
}
void MidiEventQueue::dropMidiEvent() {
// Is ring buffer empty?
if (startPosition != endPosition) {
startPosition = (startPosition + 1) & ringBufferMask;
}
}
bool MidiEventQueue::isFull() const {
return startPosition == ((endPosition + 1) & ringBufferMask);
}
bool MidiEventQueue::isEmpty() const {
return startPosition == endPosition;
}
Bit32u Synth::getStereoOutputSampleRate() const {
return (analog == NULL) ? SAMPLE_RATE : analog->getOutputSampleRate();
}
void Renderer::render(SampleFormatConverter &converter, Bit32u len) {
if (!synth.opened) {
converter.addSilence(len << 1);
return;
}
if (!synth.activated) {
synth.renderedSampleCount += synth.analog->getDACStreamsLength(len);
synth.analog->process(NULL, NULL, NULL, NULL, NULL, NULL, NULL, len);
converter.addSilence(len << 1);
return;
}
while (len > 0) {
// As in AnalogOutputMode_ACCURATE mode output is upsampled, MAX_SAMPLES_PER_RUN is more than enough for the temp buffers.
Bit32u thisPassLen = len > MAX_SAMPLES_PER_RUN ? MAX_SAMPLES_PER_RUN : len;
synth.renderStreams(tmpNonReverbLeft, tmpNonReverbRight, tmpReverbDryLeft, tmpReverbDryRight, tmpReverbWetLeft, tmpReverbWetRight, synth.analog->getDACStreamsLength(thisPassLen));
synth.analog->process(converter.sampleBuffer, tmpNonReverbLeft, tmpNonReverbRight, tmpReverbDryLeft, tmpReverbDryRight, tmpReverbWetLeft, tmpReverbWetRight, thisPassLen);
converter.convert(thisPassLen << 1);
len -= thisPassLen;
}
}
void Synth::render(Bit16s *stream, Bit32u len) {
#if MT32EMU_USE_FLOAT_SAMPLES
BufferedSampleFormatConverter<2> converter(stream);
#else
SampleFormatConverter converter(stream);
#endif
renderer.render(converter, len);
}
void Synth::render(float *stream, Bit32u len) {
#if MT32EMU_USE_FLOAT_SAMPLES
SampleFormatConverter converter(stream);
#else
BufferedSampleFormatConverter<2> converter(stream);
#endif
renderer.render(converter, len);
}
void Renderer::renderStreams(
SampleFormatConverter &nonReverbLeft, SampleFormatConverter &nonReverbRight,
SampleFormatConverter &reverbDryLeft, SampleFormatConverter &reverbDryRight,
SampleFormatConverter &reverbWetLeft, SampleFormatConverter &reverbWetRight,
Bit32u len)
{
if (!synth.opened) {
nonReverbLeft.addSilence(len);
nonReverbRight.addSilence(len);
reverbDryLeft.addSilence(len);
reverbDryRight.addSilence(len);
reverbWetLeft.addSilence(len);
reverbWetRight.addSilence(len);
return;
}
while (len > 0) {
// We need to ensure zero-duration notes will play so add minimum 1-sample delay.
Bit32u thisLen = 1;
if (!synth.isAbortingPoly()) {
const MidiEvent *nextEvent = synth.midiQueue->peekMidiEvent();
Bit32s samplesToNextEvent = (nextEvent != NULL) ? Bit32s(nextEvent->timestamp - synth.renderedSampleCount) : MAX_SAMPLES_PER_RUN;
if (samplesToNextEvent > 0) {
thisLen = len > MAX_SAMPLES_PER_RUN ? MAX_SAMPLES_PER_RUN : len;
if (thisLen > Bit32u(samplesToNextEvent)) {
thisLen = samplesToNextEvent;
}
} else {
if (nextEvent->sysexData == NULL) {
synth.playMsgNow(nextEvent->shortMessageData);
// If a poly is aborting we don't drop the event from the queue.
// Instead, we'll return to it again when the abortion is done.
if (!synth.isAbortingPoly()) {
synth.midiQueue->dropMidiEvent();
}
} else {
synth.playSysexNow(nextEvent->sysexData, nextEvent->sysexLength);
synth.midiQueue->dropMidiEvent();
}
}
}
DACOutputStreams<Sample> streams = {
nonReverbLeft.sampleBuffer, nonReverbRight.sampleBuffer,
reverbDryLeft.sampleBuffer, reverbDryRight.sampleBuffer,
reverbWetLeft.sampleBuffer, reverbWetRight.sampleBuffer
};
doRenderStreams(streams, thisLen);
nonReverbLeft.convert(thisLen);
nonReverbRight.convert(thisLen);
reverbDryLeft.convert(thisLen);
reverbDryRight.convert(thisLen);
reverbWetLeft.convert(thisLen);
reverbWetRight.convert(thisLen);
len -= thisLen;
}
}
void Synth::renderStreams(
Bit16s *nonReverbLeft, Bit16s *nonReverbRight,
Bit16s *reverbDryLeft, Bit16s *reverbDryRight,
Bit16s *reverbWetLeft, Bit16s *reverbWetRight,
Bit32u len)
{
#if MT32EMU_USE_FLOAT_SAMPLES
BufferedSampleFormatConverter<> convNonReverbLeft(nonReverbLeft), convNonReverbRight(nonReverbRight);
BufferedSampleFormatConverter<> convReverbDryLeft(reverbDryLeft), convReverbDryRight(reverbDryRight);
BufferedSampleFormatConverter<> convReverbWetLeft(reverbWetLeft), convReverbWetRight(reverbWetRight);
#else
SampleFormatConverter convNonReverbLeft(nonReverbLeft), convNonReverbRight(nonReverbRight);
SampleFormatConverter convReverbDryLeft(reverbDryLeft), convReverbDryRight(reverbDryRight);
SampleFormatConverter convReverbWetLeft(reverbWetLeft), convReverbWetRight(reverbWetRight);
#endif
renderer.renderStreams(
convNonReverbLeft, convNonReverbRight,
convReverbDryLeft, convReverbDryRight,
convReverbWetLeft, convReverbWetRight,
len);
}
void Synth::renderStreams(
float *nonReverbLeft, float *nonReverbRight,
float *reverbDryLeft, float *reverbDryRight,
float *reverbWetLeft, float *reverbWetRight,
Bit32u len)
{
#if MT32EMU_USE_FLOAT_SAMPLES
SampleFormatConverter convNonReverbLeft(nonReverbLeft), convNonReverbRight(nonReverbRight);
SampleFormatConverter convReverbDryLeft(reverbDryLeft), convReverbDryRight(reverbDryRight);
SampleFormatConverter convReverbWetLeft(reverbWetLeft), convReverbWetRight(reverbWetRight);
#else
BufferedSampleFormatConverter<> convNonReverbLeft(nonReverbLeft), convNonReverbRight(nonReverbRight);
BufferedSampleFormatConverter<> convReverbDryLeft(reverbDryLeft), convReverbDryRight(reverbDryRight);
BufferedSampleFormatConverter<> convReverbWetLeft(reverbWetLeft), convReverbWetRight(reverbWetRight);
#endif
renderer.renderStreams(
convNonReverbLeft, convNonReverbRight,
convReverbDryLeft, convReverbDryRight,
convReverbWetLeft, convReverbWetRight,
len);
}
// In GENERATION2 units, the output from LA32 goes to the Boss chip already bit-shifted.
// In NICE mode, it's also better to increase volume before the reverb processing to preserve accuracy.
void Renderer::produceLA32Output(Sample *buffer, Bit32u len) {
#if MT32EMU_USE_FLOAT_SAMPLES
(void)buffer;
(void)len;
#else
switch (synth.dacInputMode) {
case DACInputMode_GENERATION2:
while (len--) {
*buffer = (*buffer & 0x8000) | ((*buffer << 1) & 0x7FFE) | ((*buffer >> 14) & 0x0001);
++buffer;
}
break;
case DACInputMode_NICE:
while (len--) {
*buffer = Synth::clipSampleEx(SampleEx(*buffer) << 1);
++buffer;
}
break;
default:
break;
}
#endif
}
void Renderer::convertSamplesToOutput(Sample *buffer, Bit32u len) {
#if MT32EMU_USE_FLOAT_SAMPLES
(void)buffer;
(void)len;
#else
if (synth.dacInputMode == DACInputMode_GENERATION1) {
while (len--) {
*buffer = Sample((*buffer & 0x8000) | ((*buffer << 1) & 0x7FFE));
++buffer;
}
}
#endif
}
void Renderer::doRenderStreams(DACOutputStreams<Sample> &streams, Bit32u len) {
if (synth.activated) {
// Even if LA32 output isn't desired, we proceed anyway with temp buffers
Sample *nonReverbLeft = streams.nonReverbLeft == NULL ? tmpNonReverbLeft : streams.nonReverbLeft;
Sample *nonReverbRight = streams.nonReverbRight == NULL ? tmpNonReverbRight : streams.nonReverbRight;
Sample *reverbDryLeft = streams.reverbDryLeft == NULL ? tmpReverbDryLeft : streams.reverbDryLeft;
Sample *reverbDryRight = streams.reverbDryRight == NULL ? tmpReverbDryRight : streams.reverbDryRight;
Synth::muteSampleBuffer(nonReverbLeft, len);
Synth::muteSampleBuffer(nonReverbRight, len);
Synth::muteSampleBuffer(reverbDryLeft, len);
Synth::muteSampleBuffer(reverbDryRight, len);
for (unsigned int i = 0; i < synth.getPartialCount(); i++) {
if (synth.partialManager->shouldReverb(i)) {
synth.partialManager->produceOutput(i, reverbDryLeft, reverbDryRight, len);
} else {
synth.partialManager->produceOutput(i, nonReverbLeft, nonReverbRight, len);
}
}
produceLA32Output(reverbDryLeft, len);
produceLA32Output(reverbDryRight, len);
if (synth.isReverbEnabled()) {
synth.reverbModel->process(reverbDryLeft, reverbDryRight, streams.reverbWetLeft, streams.reverbWetRight, len);
if (streams.reverbWetLeft != NULL) convertSamplesToOutput(streams.reverbWetLeft, len);
if (streams.reverbWetRight != NULL) convertSamplesToOutput(streams.reverbWetRight, len);
} else {
Synth::muteSampleBuffer(streams.reverbWetLeft, len);
Synth::muteSampleBuffer(streams.reverbWetRight, len);
}
// Don't bother with conversion if the output is going to be unused
if (streams.nonReverbLeft != NULL) {
produceLA32Output(nonReverbLeft, len);
convertSamplesToOutput(nonReverbLeft, len);
}
if (streams.nonReverbRight != NULL) {
produceLA32Output(nonReverbRight, len);
convertSamplesToOutput(nonReverbRight, len);
}
if (streams.reverbDryLeft != NULL) convertSamplesToOutput(reverbDryLeft, len);
if (streams.reverbDryRight != NULL) convertSamplesToOutput(reverbDryRight, len);
} else {
Synth::muteSampleBuffer(streams.nonReverbLeft, len);
Synth::muteSampleBuffer(streams.nonReverbRight, len);
Synth::muteSampleBuffer(streams.reverbDryLeft, len);
Synth::muteSampleBuffer(streams.reverbDryRight, len);
Synth::muteSampleBuffer(streams.reverbWetLeft, len);
Synth::muteSampleBuffer(streams.reverbWetRight, len);
}
synth.partialManager->clearAlreadyOutputed();
synth.renderedSampleCount += len;
}
void Synth::printPartialUsage(Bit32u sampleOffset) {
unsigned int partialUsage[9];
partialManager->getPerPartPartialUsage(partialUsage);
if (sampleOffset > 0) {
printDebug("[+%u] Partial Usage: 1:%02d 2:%02d 3:%02d 4:%02d 5:%02d 6:%02d 7:%02d 8:%02d R: %02d TOTAL: %02d", sampleOffset, partialUsage[0], partialUsage[1], partialUsage[2], partialUsage[3], partialUsage[4], partialUsage[5], partialUsage[6], partialUsage[7], partialUsage[8], getPartialCount() - partialManager->getFreePartialCount());
} else {
printDebug("Partial Usage: 1:%02d 2:%02d 3:%02d 4:%02d 5:%02d 6:%02d 7:%02d 8:%02d R: %02d TOTAL: %02d", partialUsage[0], partialUsage[1], partialUsage[2], partialUsage[3], partialUsage[4], partialUsage[5], partialUsage[6], partialUsage[7], partialUsage[8], getPartialCount() - partialManager->getFreePartialCount());
}
}
bool Synth::hasActivePartials() const {
if (!opened) {
return false;
}
for (unsigned int partialNum = 0; partialNum < getPartialCount(); partialNum++) {
if (partialManager->getPartial(partialNum)->isActive()) {
return true;
}
}
return false;
}
bool Synth::isActive() {
if (!opened) {
return false;
}
if (!midiQueue->isEmpty() || hasActivePartials()) {
return true;
}
if (isReverbEnabled() && reverbModel->isActive()) {
return true;
}
activated = false;
return false;
}
Bit32u Synth::getPartialCount() const {
return partialCount;
}
void Synth::getPartStates(bool *partStates) const {
if (!opened) {
memset(partStates, 0, 9 * sizeof(bool));
return;
}
for (int partNumber = 0; partNumber < 9; partNumber++) {
const Part *part = parts[partNumber];
partStates[partNumber] = part->getActiveNonReleasingPartialCount() > 0;
}
}
Bit32u Synth::getPartStates() const {
if (!opened) return 0;
bool partStates[9];
getPartStates(partStates);
Bit32u bitSet = 0;
for (int partNumber = 8; partNumber >= 0; partNumber--) {
bitSet = (bitSet << 1) | (partStates[partNumber] ? 1 : 0);
}
return bitSet;
}
void Synth::getPartialStates(PartialState *partialStates) const {
if (!opened) {
memset(partialStates, 0, partialCount * sizeof(PartialState));
return;
}
for (unsigned int partialNum = 0; partialNum < partialCount; partialNum++) {
partialStates[partialNum] = getPartialState(partialManager, partialNum);
}
}
void Synth::getPartialStates(Bit8u *partialStates) const {
if (!opened) {
memset(partialStates, 0, ((partialCount + 3) >> 2));
return;
}
for (unsigned int quartNum = 0; (4 * quartNum) < partialCount; quartNum++) {
Bit8u packedStates = 0;
for (unsigned int i = 0; i < 4; i++) {
unsigned int partialNum = (4 * quartNum) + i;
if (partialCount <= partialNum) break;
PartialState partialState = getPartialState(partialManager, partialNum);
packedStates |= (partialState & 3) << (2 * i);
}
partialStates[quartNum] = packedStates;
}
}
Bit32u Synth::getPlayingNotes(Bit8u partNumber, Bit8u *keys, Bit8u *velocities) const {
Bit32u playingNotes = 0;
if (opened && (partNumber < 9)) {
const Part *part = parts[partNumber];
const Poly *poly = part->getFirstActivePoly();
while (poly != NULL) {
keys[playingNotes] = Bit8u(poly->getKey());
velocities[playingNotes] = Bit8u(poly->getVelocity());
playingNotes++;
poly = poly->getNext();
}
}
return playingNotes;
}
const char *Synth::getPatchName(Bit8u partNumber) const {
return (!opened || partNumber > 8) ? NULL : parts[partNumber]->getCurrentInstr();
}
const Part *Synth::getPart(Bit8u partNum) const {
if (partNum > 8) {
return NULL;
}
return parts[partNum];
}
void MemoryRegion::read(unsigned int entry, unsigned int off, Bit8u *dst, unsigned int len) const {
off += entry * entrySize;
// This method should never be called with out-of-bounds parameters,
// or on an unsupported region - seeing any of this debug output indicates a bug in the emulator
if (off > entrySize * entries - 1) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("read[%d]: parameters start out of bounds: entry=%d, off=%d, len=%d", type, entry, off, len);
#endif
return;
}
if (off + len > entrySize * entries) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("read[%d]: parameters end out of bounds: entry=%d, off=%d, len=%d", type, entry, off, len);
#endif
len = entrySize * entries - off;
}
Bit8u *src = getRealMemory();
if (src == NULL) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("read[%d]: unreadable region: entry=%d, off=%d, len=%d", type, entry, off, len);
#endif
return;
}
memcpy(dst, src + off, len);
}
void MemoryRegion::write(unsigned int entry, unsigned int off, const Bit8u *src, unsigned int len, bool init) const {
unsigned int memOff = entry * entrySize + off;
// This method should never be called with out-of-bounds parameters,
// or on an unsupported region - seeing any of this debug output indicates a bug in the emulator
if (off > entrySize * entries - 1) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("write[%d]: parameters start out of bounds: entry=%d, off=%d, len=%d", type, entry, off, len);
#endif
return;
}
if (off + len > entrySize * entries) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("write[%d]: parameters end out of bounds: entry=%d, off=%d, len=%d", type, entry, off, len);
#endif
len = entrySize * entries - off;
}
Bit8u *dest = getRealMemory();
if (dest == NULL) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("write[%d]: unwritable region: entry=%d, off=%d, len=%d", type, entry, off, len);
#endif
return;
}
for (unsigned int i = 0; i < len; i++) {
Bit8u desiredValue = src[i];
Bit8u maxValue = getMaxValue(memOff);
// maxValue == 0 means write-protected unless called from initialisation code, in which case it really means the maximum value is 0.
if (maxValue != 0 || init) {
if (desiredValue > maxValue) {
#if MT32EMU_MONITOR_SYSEX > 0
synth->printDebug("write[%d]: Wanted 0x%02x at %d, but max 0x%02x", type, desiredValue, memOff, maxValue);
#endif
desiredValue = maxValue;
}
dest[memOff] = desiredValue;
} else if (desiredValue != 0) {
#if MT32EMU_MONITOR_SYSEX > 0
// Only output debug info if they wanted to write non-zero, since a lot of things cause this to spit out a lot of debug info otherwise.
synth->printDebug("write[%d]: Wanted 0x%02x at %d, but write-protected", type, desiredValue, memOff);
#endif
}
memOff++;
}
}
} // namespace MT32Emu
|