diff options
Diffstat (limited to 'src/adplug/core/lds.cc')
| -rw-r--r-- | src/adplug/core/lds.cc | 678 |
1 files changed, 0 insertions, 678 deletions
diff --git a/src/adplug/core/lds.cc b/src/adplug/core/lds.cc deleted file mode 100644 index 1f89d23..0000000 --- a/src/adplug/core/lds.cc +++ /dev/null @@ -1,678 +0,0 @@ -/* - * Adplug - Replayer for many OPL2/OPL3 audio file formats. - * Copyright (C) 1999 - 2004 Simon Peter, <dn.tlp@gmx.net>, et al. - * - * This library 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 library 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 library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * lds.cpp - LOUDNESS Player by Simon Peter <dn.tlp@gmx.net> - */ - -#include <string.h> - -#include "lds.h" -#include "debug.h" - -// Note frequency table (16 notes / octave) -const unsigned short CldsPlayer::frequency[] = { - 343, 344, 345, 347, 348, 349, 350, 352, 353, 354, 356, 357, 358, - 359, 361, 362, 363, 365, 366, 367, 369, 370, 371, 373, 374, 375, - 377, 378, 379, 381, 382, 384, 385, 386, 388, 389, 391, 392, 393, - 395, 396, 398, 399, 401, 402, 403, 405, 406, 408, 409, 411, 412, - 414, 415, 417, 418, 420, 421, 423, 424, 426, 427, 429, 430, 432, - 434, 435, 437, 438, 440, 442, 443, 445, 446, 448, 450, 451, 453, - 454, 456, 458, 459, 461, 463, 464, 466, 468, 469, 471, 473, 475, - 476, 478, 480, 481, 483, 485, 487, 488, 490, 492, 494, 496, 497, - 499, 501, 503, 505, 506, 508, 510, 512, 514, 516, 518, 519, 521, - 523, 525, 527, 529, 531, 533, 535, 537, 538, 540, 542, 544, 546, - 548, 550, 552, 554, 556, 558, 560, 562, 564, 566, 568, 571, 573, - 575, 577, 579, 581, 583, 585, 587, 589, 591, 594, 596, 598, 600, - 602, 604, 607, 609, 611, 613, 615, 618, 620, 622, 624, 627, 629, - 631, 633, 636, 638, 640, 643, 645, 647, 650, 652, 654, 657, 659, - 662, 664, 666, 669, 671, 674, 676, 678, 681, 683 -}; - -// Vibrato (sine) table -const unsigned char CldsPlayer::vibtab[] = { - 0, 13, 25, 37, 50, 62, 74, 86, 98, 109, 120, 131, 142, 152, 162, - 171, 180, 189, 197, 205, 212, 219, 225, 231, 236, 240, 244, 247, - 250, 252, 254, 255, 255, 255, 254, 252, 250, 247, 244, 240, 236, - 231, 225, 219, 212, 205, 197, 189, 180, 171, 162, 152, 142, 131, - 120, 109, 98, 86, 74, 62, 50, 37, 25, 13 -}; - -// Tremolo (sine * sine) table -const unsigned char CldsPlayer::tremtab[] = { - 0, 0, 1, 1, 2, 4, 5, 7, 10, 12, 15, 18, 21, 25, 29, 33, 37, 42, 47, - 52, 57, 62, 67, 73, 79, 85, 90, 97, 103, 109, 115, 121, 128, 134, - 140, 146, 152, 158, 165, 170, 176, 182, 188, 193, 198, 203, 208, - 213, 218, 222, 226, 230, 234, 237, 240, 243, 245, 248, 250, 251, - 253, 254, 254, 255, 255, 255, 254, 254, 253, 251, 250, 248, 245, - 243, 240, 237, 234, 230, 226, 222, 218, 213, 208, 203, 198, 193, - 188, 182, 176, 170, 165, 158, 152, 146, 140, 134, 127, 121, 115, - 109, 103, 97, 90, 85, 79, 73, 67, 62, 57, 52, 47, 42, 37, 33, 29, - 25, 21, 18, 15, 12, 10, 7, 5, 4, 2, 1, 1, 0 -}; - -// 'maxsound' is maximum number of patches (instruments) -// 'maxpos' is maximum number of entries in position list (orderlist) -const unsigned short CldsPlayer::maxsound = 0x3f, CldsPlayer::maxpos = 0xff; - -/*** public methods *************************************/ - -CldsPlayer::CldsPlayer(Copl *newopl) - : CPlayer(newopl), soundbank(0), positions(0), patterns(0) -{ -} - -CldsPlayer::~CldsPlayer() -{ - if(soundbank) delete [] soundbank; - if(positions) delete [] positions; - if(patterns) delete [] patterns; -} - -bool CldsPlayer::load(const std::string &filename, const CFileProvider &fp) -{ - binistream *f; - unsigned int i, j; - SoundBank *sb; - - // file validation section (actually just an extension check) - if(!fp.extension(filename, ".lds")) return false; - f = fp.open(filename); if(!f) return false; - - // file load section (header) - mode = f->readInt(1); - if(mode > 2) { fp.close(f); return false; } - speed = f->readInt(2); - tempo = f->readInt(1); - pattlen = f->readInt(1); - for(i = 0; i < 9; i++) chandelay[i] = f->readInt(1); - regbd = f->readInt(1); - - // load patches - numpatch = f->readInt(2); - soundbank = new SoundBank[numpatch]; - for(i = 0; i < numpatch; i++) { - sb = &soundbank[i]; - sb->mod_misc = f->readInt(1); sb->mod_vol = f->readInt(1); - sb->mod_ad = f->readInt(1); sb->mod_sr = f->readInt(1); - sb->mod_wave = f->readInt(1); sb->car_misc = f->readInt(1); - sb->car_vol = f->readInt(1); sb->car_ad = f->readInt(1); - sb->car_sr = f->readInt(1); sb->car_wave = f->readInt(1); - sb->feedback = f->readInt(1); sb->keyoff = f->readInt(1); - sb->portamento = f->readInt(1); sb->glide = f->readInt(1); - sb->finetune = f->readInt(1); sb->vibrato = f->readInt(1); - sb->vibdelay = f->readInt(1); sb->mod_trem = f->readInt(1); - sb->car_trem = f->readInt(1); sb->tremwait = f->readInt(1); - sb->arpeggio = f->readInt(1); - for(j = 0; j < 12; j++) sb->arp_tab[j] = f->readInt(1); - sb->start = f->readInt(2); sb->size = f->readInt(2); - sb->fms = f->readInt(1); sb->transp = f->readInt(2); - sb->midinst = f->readInt(1); sb->midvelo = f->readInt(1); - sb->midkey = f->readInt(1); sb->midtrans = f->readInt(1); - sb->middum1 = f->readInt(1); sb->middum2 = f->readInt(1); - } - - // load positions - numposi = f->readInt(2); - positions = new Position[9 * numposi]; - for(i = 0; i < numposi; i++) - for(j = 0; j < 9; j++) { - /* - * patnum is a pointer inside the pattern space, but patterns are 16bit - * word fields anyway, so it ought to be an even number (hopefully) and - * we can just divide it by 2 to get our array index of 16bit words. - */ - positions[i * 9 + j].patnum = f->readInt(2) / 2; - positions[i * 9 + j].transpose = f->readInt(1); - } - - AdPlug_LogWrite("CldsPlayer::load(\"%s\",fp): loading LOUDNESS file: mode = " - "%d, pattlen = %d, numpatch = %d, numposi = %d\n", - filename.c_str(), mode, pattlen, numpatch, numposi); - - // load patterns - f->ignore(2); // ignore # of digital sounds (not played by this player) - patterns = new unsigned short[(fp.filesize(f) - f->pos()) / 2 + 1]; - for(i = 0; !f->eof(); i++) - patterns[i] = f->readInt(2); - - fp.close(f); - rewind(0); - return true; -} - -bool CldsPlayer::update() -{ - unsigned short comword, freq, octave, chan, tune, wibc, tremc, arpreg; - bool vbreak; - unsigned char level, regnum, comhi, comlo; - int i; - Channel *c; - - if(!playing) return false; - - // handle fading - if(fadeonoff) { - if(fadeonoff <= 128) { - if(allvolume > fadeonoff || allvolume == 0) - allvolume -= fadeonoff; - else { - allvolume = 1; - fadeonoff = 0; - if(hardfade != 0) { - playing = false; - hardfade = 0; - for(i = 0; i < 9; i++) - channel[i].keycount = 1; - } - } - } else - if(((allvolume + (0x100 - fadeonoff)) & 0xff) <= mainvolume) - allvolume += 0x100 - fadeonoff; - else { - allvolume = mainvolume; - fadeonoff = 0; - } - } - - // handle channel delay - for(chan = 0; chan < 9; chan++) { - c = &channel[chan]; - if(c->chancheat.chandelay) - if(!(--c->chancheat.chandelay)) - playsound(c->chancheat.sound, chan, c->chancheat.high); - } - - // handle notes - if(!tempo_now) { - vbreak = false; - for(chan = 0; chan < 9; chan++) { - c = &channel[chan]; - if(!c->packwait) { - unsigned short patnum = positions[posplay * 9 + chan].patnum; - unsigned char transpose = positions[posplay * 9 + chan].transpose; - - comword = patterns[patnum + c->packpos]; - comhi = comword >> 8; comlo = comword & 0xff; - if(comword) { - if(comhi == 0x80) - c->packwait = comlo; - else - if(comhi >= 0x80) { - switch(comhi) { - case 0xff: - c->volcar = (((c->volcar & 0x3f) * comlo) >> 6) & 0x3f; - if(fmchip[0xc0 + chan] & 1) - c->volmod = (((c->volmod & 0x3f) * comlo) >> 6) & 0x3f; - break; - case 0xfe: - tempo = comword & 0x3f; - break; - case 0xfd: - c->nextvol = comlo; - break; - case 0xfc: - playing = false; - // in real player there's also full keyoff here, but we don't need it - break; - case 0xfb: - c->keycount = 1; - break; - case 0xfa: - vbreak = true; - jumppos = (posplay + 1) & maxpos; - break; - case 0xf9: - vbreak = true; - jumppos = comlo & maxpos; - jumping = 1; - if(jumppos < posplay) songlooped = true; - break; - case 0xf8: - c->lasttune = 0; - break; - case 0xf7: - c->vibwait = 0; - // PASCAL: c->vibspeed = ((comlo >> 4) & 15) + 2; - c->vibspeed = (comlo >> 4) + 2; - c->vibrate = (comlo & 15) + 1; - break; - case 0xf6: - c->glideto = comlo; - break; - case 0xf5: - c->finetune = comlo; - break; - case 0xf4: - if(!hardfade) { - allvolume = mainvolume = comlo; - fadeonoff = 0; - } - break; - case 0xf3: - if(!hardfade) fadeonoff = comlo; - break; - case 0xf2: - c->trmstay = comlo; - break; - case 0xf1: // panorama - case 0xf0: // progch - // MIDI commands (unhandled) - AdPlug_LogWrite("CldsPlayer(): not handling MIDI command 0x%x, " - "value = 0x%x\n", comhi, comlo); - break; - default: - if(comhi < 0xa0) - c->glideto = comhi & 0x1f; - else - AdPlug_LogWrite("CldsPlayer(): unknown command 0x%x encountered!" - " value = 0x%x\n", comhi, comlo); - break; - } - } else { - unsigned char sound; - unsigned short high; - signed char transp = transpose & 127; - - /* - * Originally, in assembler code, the player first shifted - * logically left the transpose byte by 1 and then shifted - * arithmetically right the same byte to achieve the final, - * signed transpose value. Since we can't do arithmetic shifts - * in C, we just duplicate the 7th bit into the 8th one and - * discard the 8th one completely. - */ - - if(transpose & 64) transp |= 128; - - if(transpose & 128) { - sound = (comlo + transp) & maxsound; - high = comhi << 4; - } else { - sound = comlo & maxsound; - high = (comhi + transp) << 4; - } - - /* - PASCAL: - sound = comlo & maxsound; - high = (comhi + (((transpose + 0x24) & 0xff) - 0x24)) << 4; - */ - - if(!chandelay[chan]) - playsound(sound, chan, high); - else { - c->chancheat.chandelay = chandelay[chan]; - c->chancheat.sound = sound; - c->chancheat.high = high; - } - } - } - - c->packpos++; - } else - c->packwait--; - } - - tempo_now = tempo; - /* - The continue table is updated here, but this is only used in the - original player, which can be paused in the middle of a song and then - unpaused. Since AdPlug does all this for us automatically, we don't - have a continue table here. The continue table update code is noted - here for reference only. - - if(!pattplay) { - conttab[speed & maxcont].position = posplay & 0xff; - conttab[speed & maxcont].tempo = tempo; - } - */ - pattplay++; - if(vbreak) { - pattplay = 0; - for(i = 0; i < 9; i++) channel[i].packpos = channel[i].packwait = 0; - posplay = jumppos; - } else - if(pattplay >= pattlen) { - pattplay = 0; - for(i = 0; i < 9; i++) channel[i].packpos = channel[i].packwait = 0; - posplay = (posplay + 1) & maxpos; - } - } else - tempo_now--; - - // make effects - for(chan = 0; chan < 9; chan++) { - c = &channel[chan]; - regnum = op_table[chan]; - if(c->keycount > 0) { - if(c->keycount == 1) - setregs_adv(0xb0 + chan, 0xdf, 0); - c->keycount--; - } - - // arpeggio - if(c->arp_size == 0) - arpreg = 0; - else { - arpreg = c->arp_tab[c->arp_pos] << 4; - if(arpreg == 0x800) { - if(c->arp_pos > 0) c->arp_tab[0] = c->arp_tab[c->arp_pos - 1]; - c->arp_size = 1; c->arp_pos = 0; - arpreg = c->arp_tab[0] << 4; - } - - if(c->arp_count == c->arp_speed) { - c->arp_pos++; - if(c->arp_pos >= c->arp_size) c->arp_pos = 0; - c->arp_count = 0; - } else - c->arp_count++; - } - - // glide & portamento - if(c->lasttune && (c->lasttune != c->gototune)) { - if(c->lasttune > c->gototune) { - if(c->lasttune - c->gototune < c->portspeed) - c->lasttune = c->gototune; - else - c->lasttune -= c->portspeed; - } else { - if(c->gototune - c->lasttune < c->portspeed) - c->lasttune = c->gototune; - else - c->lasttune += c->portspeed; - } - - if(arpreg >= 0x800) - arpreg = c->lasttune - (arpreg ^ 0xff0) - 16; - else - arpreg += c->lasttune; - - freq = frequency[arpreg % (12 * 16)]; - octave = arpreg / (12 * 16) - 1; - setregs(0xa0 + chan, freq & 0xff); - setregs_adv(0xb0 + chan, 0x20, ((octave << 2) + (freq >> 8)) & 0xdf); - } else { - // vibrato - if(!c->vibwait) { - if(c->vibrate) { - wibc = vibtab[c->vibcount & 0x3f] * c->vibrate; - - if((c->vibcount & 0x40) == 0) - tune = c->lasttune + (wibc >> 8); - else - tune = c->lasttune - (wibc >> 8); - - if(arpreg >= 0x800) - tune = tune - (arpreg ^ 0xff0) - 16; - else - tune += arpreg; - - freq = frequency[tune % (12 * 16)]; - octave = tune / (12 * 16) - 1; - setregs(0xa0 + chan, freq & 0xff); - setregs_adv(0xb0 + chan, 0x20, ((octave << 2) + (freq >> 8)) & 0xdf); - c->vibcount += c->vibspeed; - } else - if(c->arp_size != 0) { // no vibrato, just arpeggio - if(arpreg >= 0x800) - tune = c->lasttune - (arpreg ^ 0xff0) - 16; - else - tune = c->lasttune + arpreg; - - freq = frequency[tune % (12 * 16)]; - octave = tune / (12 * 16) - 1; - setregs(0xa0 + chan, freq & 0xff); - setregs_adv(0xb0 + chan, 0x20, ((octave << 2) + (freq >> 8)) & 0xdf); - } - } else { // no vibrato, just arpeggio - c->vibwait--; - - if(c->arp_size != 0) { - if(arpreg >= 0x800) - tune = c->lasttune - (arpreg ^ 0xff0) - 16; - else - tune = c->lasttune + arpreg; - - freq = frequency[tune % (12 * 16)]; - octave = tune / (12 * 16) - 1; - setregs(0xa0 + chan, freq & 0xff); - setregs_adv(0xb0 + chan, 0x20, ((octave << 2) + (freq >> 8)) & 0xdf); - } - } - } - - // tremolo (modulator) - if(!c->trmwait) { - if(c->trmrate) { - tremc = tremtab[c->trmcount & 0x7f] * c->trmrate; - if((tremc >> 8) <= (c->volmod & 0x3f)) - level = (c->volmod & 0x3f) - (tremc >> 8); - else - level = 0; - - if(allvolume != 0 && (fmchip[0xc0 + chan] & 1)) - setregs_adv(0x40 + regnum, 0xc0, ((level * allvolume) >> 8) ^ 0x3f); - else - setregs_adv(0x40 + regnum, 0xc0, level ^ 0x3f); - - c->trmcount += c->trmspeed; - } else - if(allvolume != 0 && (fmchip[0xc0 + chan] & 1)) - setregs_adv(0x40 + regnum, 0xc0, ((((c->volmod & 0x3f) * allvolume) >> 8) ^ 0x3f) & 0x3f); - else - setregs_adv(0x40 + regnum, 0xc0, (c->volmod ^ 0x3f) & 0x3f); - } else { - c->trmwait--; - if(allvolume != 0 && (fmchip[0xc0 + chan] & 1)) - setregs_adv(0x40 + regnum, 0xc0, ((((c->volmod & 0x3f) * allvolume) >> 8) ^ 0x3f) & 0x3f); - } - - // tremolo (carrier) - if(!c->trcwait) { - if(c->trcrate) { - tremc = tremtab[c->trccount & 0x7f] * c->trcrate; - if((tremc >> 8) <= (c->volcar & 0x3f)) - level = (c->volcar & 0x3f) - (tremc >> 8); - else - level = 0; - - if(allvolume != 0) - setregs_adv(0x43 + regnum, 0xc0, ((level * allvolume) >> 8) ^ 0x3f); - else - setregs_adv(0x43 + regnum, 0xc0, level ^ 0x3f); - c->trccount += c->trcspeed; - } else - if(allvolume != 0) - setregs_adv(0x43 + regnum, 0xc0, ((((c->volcar & 0x3f) * allvolume) >> 8) ^ 0x3f) & 0x3f); - else - setregs_adv(0x43 + regnum, 0xc0, (c->volcar ^ 0x3f) & 0x3f); - } else { - c->trcwait--; - if(allvolume != 0) - setregs_adv(0x43 + regnum, 0xc0, ((((c->volcar & 0x3f) * allvolume) >> 8) ^ 0x3f) & 0x3f); - } - } - - return (!playing || songlooped) ? false : true; -} - -void CldsPlayer::rewind(int subsong) -{ - int i; - - // init all with 0 - tempo_now = 3; playing = true; songlooped = false; - jumping = fadeonoff = allvolume = hardfade = pattplay = posplay = jumppos = - mainvolume = 0; - memset(channel, 0, sizeof(channel)); - memset(fmchip, 0, sizeof(fmchip)); - - // OPL2 init - opl->init(); // Reset OPL chip - opl->write(1, 0x20); - opl->write(8, 0); - opl->write(0xbd, regbd); - - for(i = 0; i < 9; i++) { - opl->write(0x20 + op_table[i], 0); - opl->write(0x23 + op_table[i], 0); - opl->write(0x40 + op_table[i], 0x3f); - opl->write(0x43 + op_table[i], 0x3f); - opl->write(0x60 + op_table[i], 0xff); - opl->write(0x63 + op_table[i], 0xff); - opl->write(0x80 + op_table[i], 0xff); - opl->write(0x83 + op_table[i], 0xff); - opl->write(0xe0 + op_table[i], 0); - opl->write(0xe3 + op_table[i], 0); - opl->write(0xa0 + i, 0); - opl->write(0xb0 + i, 0); - opl->write(0xc0 + i, 0); - } -} - -/*** private methods *************************************/ - -void CldsPlayer::playsound(int inst_number, int channel_number, int tunehigh) -{ - Channel *c = &channel[channel_number]; // current channel - SoundBank *i = &soundbank[inst_number]; // current instrument - unsigned int regnum = op_table[channel_number]; // channel's OPL2 register - unsigned char volcalc, octave; - unsigned short freq; - - // set fine tune - tunehigh += ((i->finetune + c->finetune + 0x80) & 0xff) - 0x80; - - // arpeggio handling - if(!i->arpeggio) { - unsigned short arpcalc = i->arp_tab[0] << 4; - - if(arpcalc > 0x800) - tunehigh = tunehigh - (arpcalc ^ 0xff0) - 16; - else - tunehigh += arpcalc; - } - - // glide handling - if(c->glideto != 0) { - c->gototune = tunehigh; - c->portspeed = c->glideto; - c->glideto = c->finetune = 0; - return; - } - - // set modulator registers - setregs(0x20 + regnum, i->mod_misc); - volcalc = i->mod_vol; - if(!c->nextvol || !(i->feedback & 1)) - c->volmod = volcalc; - else - c->volmod = (volcalc & 0xc0) | ((((volcalc & 0x3f) * c->nextvol) >> 6)); - - if((i->feedback & 1) == 1 && allvolume != 0) - setregs(0x40 + regnum, ((c->volmod & 0xc0) | (((c->volmod & 0x3f) * allvolume) >> 8)) ^ 0x3f); - else - setregs(0x40 + regnum, c->volmod ^ 0x3f); - setregs(0x60 + regnum, i->mod_ad); - setregs(0x80 + regnum, i->mod_sr); - setregs(0xe0 + regnum, i->mod_wave); - - // Set carrier registers - setregs(0x23 + regnum, i->car_misc); - volcalc = i->car_vol; - if(!c->nextvol) - c->volcar = volcalc; - else - c->volcar = (volcalc & 0xc0) | ((((volcalc & 0x3f) * c->nextvol) >> 6)); - - if(allvolume) - setregs(0x43 + regnum, ((c->volcar & 0xc0) | (((c->volcar & 0x3f) * allvolume) >> 8)) ^ 0x3f); - else - setregs(0x43 + regnum, c->volcar ^ 0x3f); - setregs(0x63 + regnum, i->car_ad); - setregs(0x83 + regnum, i->car_sr); - setregs(0xe3 + regnum, i->car_wave); - setregs(0xc0 + channel_number, i->feedback); - setregs_adv(0xb0 + channel_number, 0xdf, 0); // key off - - freq = frequency[tunehigh % (12 * 16)]; - octave = tunehigh / (12 * 16) - 1; - if(!i->glide) { - if(!i->portamento || !c->lasttune) { - setregs(0xa0 + channel_number, freq & 0xff); - setregs(0xb0 + channel_number, (octave << 2) + 0x20 + (freq >> 8)); - c->lasttune = c->gototune = tunehigh; - } else { - c->gototune = tunehigh; - c->portspeed = i->portamento; - setregs_adv(0xb0 + channel_number, 0xdf, 0x20); // key on - } - } else { - setregs(0xa0 + channel_number, freq & 0xff); - setregs(0xb0 + channel_number, (octave << 2) + 0x20 + (freq >> 8)); - c->lasttune = tunehigh; - c->gototune = tunehigh + ((i->glide + 0x80) & 0xff) - 0x80; // set destination - c->portspeed = i->portamento; - } - - if(!i->vibrato) - c->vibwait = c->vibspeed = c->vibrate = 0; - else { - c->vibwait = i->vibdelay; - // PASCAL: c->vibspeed = ((i->vibrato >> 4) & 15) + 1; - c->vibspeed = (i->vibrato >> 4) + 2; - c->vibrate = (i->vibrato & 15) + 1; - } - - if(!(c->trmstay & 0xf0)) { - c->trmwait = (i->tremwait & 0xf0) >> 3; - // PASCAL: c->trmspeed = (i->mod_trem >> 4) & 15; - c->trmspeed = i->mod_trem >> 4; - c->trmrate = i->mod_trem & 15; - c->trmcount = 0; - } - - if(!(c->trmstay & 0x0f)) { - c->trcwait = (i->tremwait & 15) << 1; - // PASCAL: c->trcspeed = (i->car_trem >> 4) & 15; - c->trcspeed = i->car_trem >> 4; - c->trcrate = i->car_trem & 15; - c->trccount = 0; - } - - c->arp_size = i->arpeggio & 15; - c->arp_speed = i->arpeggio >> 4; - memcpy(c->arp_tab, i->arp_tab, 12); - c->keycount = i->keyoff; - c->nextvol = c->glideto = c->finetune = c->vibcount = c->arp_pos = c->arp_count = 0; -} - -inline void CldsPlayer::setregs(unsigned char reg, unsigned char val) -{ - if(fmchip[reg] == val) return; - - fmchip[reg] = val; - opl->write(reg, val); -} - -inline void CldsPlayer::setregs_adv(unsigned char reg, unsigned char mask, - unsigned char val) -{ - setregs(reg, (fmchip[reg] & mask) | val); -} |