3537 lines
108 KiB
C++
3537 lines
108 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2025 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "opl.h"
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#include "../engine.h"
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#include "../bsr.h"
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#include "../../ta-log.h"
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#include <string.h>
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#include <math.h>
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#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
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#define immWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
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#define KVSL(x,y) ((chan[x].state.op[orderedOpsL1[ops==4][y]].kvs==2 && isOutputL[ops==4][chan[x].state.alg][y]) || chan[x].state.op[orderedOpsL1[ops==4][y]].kvs==1)
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#define CHIP_FREQBASE chipFreqBase
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#define PCM_FREQBASE (402653184)
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#define NOTE_PCM(x) parent->calcBaseFreq(chipClock,PCM_FREQBASE,x,false)
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#define PCM_CHECK(ch) ((chipType==4) && (ch>=pcmChanOffs))
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#define PCM_REG(ch) (ch-pcmChanOffs)
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// check if PCM in RAM (and size is <= 2MB) - 4MB uses whole sample area
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#define PCM_IN_RAM (ramSize<=0x200000)
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// N = invalid
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#define N 255
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const unsigned char slotsOPL2i[4][20]={
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{0, 1, 2, 6, 7, 8, 12, 13, 14}, // OP1
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{3, 4, 5, 9, 10, 11, 15, 16, 17}, // OP2
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{N, N, N, N, N, N, N, N, N},
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{N, N, N, N, N, N, N, N, N}
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};
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const unsigned char slotsOPL2Drumsi[4][20]={
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{0, 1, 2, 6, 7, 8, 12, 16, 14, 17, 13}, // OP1
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{3, 4, 5, 9, 10, 11, 15, N, N, N, N}, // OP2
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{N, N, N, N, N, N, N, N, N, N, N},
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{N, N, N, N, N, N, N, N, N, N, N}
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};
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const unsigned short chanMapOPL2[20]={
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0, 1, 2, 3, 4, 5, 6, 7, 8, N, N, N, N, N, N, N, N, N, N, N
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};
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const unsigned short chanMapOPL2Drums[20]={
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0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 7, N, N, N, N, N, N, N, N, N
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};
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const unsigned char outChanMapOPL2[18]={
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0, 1, 2, 3, 4, 5, 6, 7, 8, N, N, N, N, N, N, N, N, N
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};
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const unsigned char* slotsOPL2[4]={
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slotsOPL2i[0],
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slotsOPL2i[1],
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slotsOPL2i[2],
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slotsOPL2i[3]
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};
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const unsigned char* slotsOPL2Drums[4]={
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slotsOPL2Drumsi[0],
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slotsOPL2Drumsi[1],
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slotsOPL2Drumsi[2],
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slotsOPL2Drumsi[3]
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};
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const unsigned char slotsOPL3i[4][20]={
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{0, 6, 1, 7, 2, 8, 18, 24, 19, 25, 20, 26, 30, 31, 32, 12, 13, 14}, // OP1
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{3, 9, 4, 10, 5, 11, 21, 27, 22, 28, 23, 29, 33, 34, 35, 15, 16, 17}, // OP2
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{6, N, 7, N, 8, N, 24, N, 25, N, 26, N, N, N, N, N, N, N}, // OP3
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{9, N, 10, N, 11, N, 27, N, 28, N, 29, N, N, N, N, N, N, N} // OP4
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};
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const unsigned char slotsOPL3Drumsi[4][20]={
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{0, 6, 1, 7, 2, 8, 18, 24, 19, 25, 20, 26, 30, 31, 32, 12, 16, 14, 17, 13}, // OP1
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{3, 9, 4, 10, 5, 11, 21, 27, 22, 28, 23, 29, 33, 34, 35, 15, N, N, N, N}, // OP2
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{6, N, 7, N, 8, N, 24, N, 25, N, 26, N, N, N, N, N, N, N, N, N}, // OP3
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{9, N, 10, N, 11, N, 27, N, 28, N, 29, N, N, N, N, N, N, N, N, N} // OP4
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};
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const unsigned short chanMapOPL3[20]={
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0, 3, 1, 4, 2, 5, 0x100, 0x103, 0x101, 0x104, 0x102, 0x105, 0x106, 0x107, 0x108, 6, 7, 8, N, N
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};
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const unsigned short chanMapOPL3Drums[20]={
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0, 3, 1, 4, 2, 5, 0x100, 0x103, 0x101, 0x104, 0x102, 0x105, 0x106, 0x107, 0x108, 6, 7, 8, 8, 7
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};
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const unsigned char outChanMapOPL3[18]={
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0, 3, 1, 4, 2, 5, 9, 12, 10, 13, 11, 14, 15, 16, 17, 6, 7, 8
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};
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const unsigned char* slotsOPL3[4]={
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slotsOPL3i[0],
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slotsOPL3i[1],
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slotsOPL3i[2],
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slotsOPL3i[3]
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};
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const unsigned char* slotsOPL3Drums[4]={
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slotsOPL3Drumsi[0],
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slotsOPL3Drumsi[1],
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slotsOPL3Drumsi[2],
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slotsOPL3Drumsi[3]
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};
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const unsigned int slotMap[36]={
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15,
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0x100, 0x101, 0x102, 0x103, 0x104, 0x105,
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0x108, 0x109, 0x10a, 0x10b, 0x10c, 0x10d,
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0x110, 0x111, 0x112, 0x113, 0x114, 0x115,
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};
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const bool isOutputL[2][4][4]={
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{ // 2-op
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{false, true, false, false}, // 1 > 2
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{ true, true, false, false}, // 1 + 2
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{false, true, false, false}, // ditto, 0
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{ true, true, false, false}, // ditto, 1
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},
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{ // 4-op
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{false, false, false, true}, // 1 > 2 > 3 > 4
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{ true, false, false, true}, // 1 + (2 > 3 > 4)
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{false, true, false, true}, // (1 > 2) + (3 > 4)
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{ true, false, true, true} // 1 + (2 > 3) + 4
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}
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};
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#undef N
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const int orderedOpsL1[2][4]={
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{0, 1, 0, 1}, // 2-op
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{0, 2, 1, 3} // 4-op
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};
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const int orderedOpsL[4]={
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0,2,1,3
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};
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#define ADDR_AM_VIB_SUS_KSR_MULT 0x20
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#define ADDR_KSL_TL 0x40
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#define ADDR_AR_DR 0x60
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#define ADDR_SL_RR 0x80
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#define ADDR_WS 0xe0
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#define ADDR_FREQ 0xa0
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#define ADDR_FREQH 0xb0
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#define ADDR_LR_FB_ALG 0xc0
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#define PCM_ADDR_WAVE_L 0x208 // Wavetable number LSB
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#define PCM_ADDR_WAVE_H_FN_L 0x220 // Wavetable number MSB, F-number LSB
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#define PCM_ADDR_FN_H_PR_OCT 0x238 // F-number MSB, Pseudo-reverb, Octave
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#define PCM_ADDR_TL 0x250 // Total level, Level direct
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#define PCM_ADDR_KEY_DAMP_LFORST_CH_PAN 0x268 // Key, Damp, LFO Reset, Channel select, Panpot
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#define PCM_ADDR_LFO_VIB 0x280
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#define PCM_ADDR_AR_D1R 0x298
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#define PCM_ADDR_DL_D2R 0x2b0
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#define PCM_ADDR_RC_RR 0x2c8
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#define PCM_ADDR_AM 0x2e0
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#define PCM_ADDR_MIX_FM 0x2f8
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#define PCM_ADDR_MIX_PCM 0x2f9
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void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
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thread_local short o[8];
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thread_local int os[6];
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thread_local ymfm::ymfm_output<2> aOut;
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thread_local short pcmBuf[24];
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for (int i=0; i<MAX(adpcmChan+1,totalChans); i++) {
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oscBuf[i]->begin(len);
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}
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for (size_t h=0; h<len; h++) {
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os[0]=0; os[1]=0; os[2]=0; os[3]=0; os[4]=0; os[5]=0;
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if (!writes.empty() && --delay<0) {
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QueuedWrite& w=writes.front();
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if (w.addr==0xfffffffe) {
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delay=w.val;
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} else {
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delay=1;
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if (w.addr>=0x200) {
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pcm.writeReg(w.addr&0xff,w.val);
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regPool[0x200|(w.addr&0xff)]=w.val;
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} else {
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switch (w.addr) {
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case 8:
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if (adpcmChan>=0) {
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adpcmB->write(w.addr-7,(w.val&15)|0x80);
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OPL3_WriteReg(&fm,w.addr,w.val&0xc0);
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} else {
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OPL3_WriteReg(&fm,w.addr,w.val);
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}
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break;
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case 7: case 9: case 10: case 11: case 12: case 13: case 14: case 15: case 16: case 17: case 18: case 21: case 22: case 23:
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if (adpcmChan>=0) {
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adpcmB->write(w.addr-7,w.val);
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} else {
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OPL3_WriteReg(&fm,w.addr,w.val);
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}
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break;
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default:
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OPL3_WriteReg(&fm,w.addr,w.val);
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break;
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}
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regPool[w.addr&511]=w.val;
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}
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}
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writes.pop();
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}
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if (downsample) {
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OPL3_Generate4ChResampled(&fm,o);
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} else {
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OPL3_Generate4Ch(&fm,o);
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}
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if (chipType==4) {
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pcm.generateMix(o[0],o[1],o[4],o[5],o[6],o[7],pcmBuf);
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os[0]+=o[4]; // FM + PCM left
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os[1]+=o[5]; // FM + PCM right
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os[2]+=o[2]; // FM left
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os[3]+=o[3]; // FM right
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os[4]+=o[6]; // PCM left
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os[5]+=o[7]; // PCM right
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} else {
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os[0]+=o[0];
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os[1]+=o[1];
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os[2]+=o[2];
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os[3]+=o[3];
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}
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if (adpcmChan>=0) {
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adpcmB->clock();
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aOut.clear();
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adpcmB->output<2>(aOut,0);
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if (!isMuted[adpcmChan]) {
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os[0]-=aOut.data[0]>>3;
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os[1]-=aOut.data[0]>>3;
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oscBuf[adpcmChan]->putSample(h,aOut.data[0]>>1);
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} else {
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oscBuf[adpcmChan]->putSample(h,0);
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}
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}
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if (properDrums) {
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for (int i=0; i<melodicChans+1; i++) {
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unsigned char ch=outChanMap[i];
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int chOut=0;
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if (ch==255) continue;
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if (isMuted[i]) continue;
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if (fm.channel[i].out[0]!=NULL) {
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chOut+=*fm.channel[ch].out[0];
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}
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if (fm.channel[i].out[1]!=NULL) {
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chOut+=*fm.channel[ch].out[1];
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}
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if (fm.channel[i].out[2]!=NULL) {
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chOut+=*fm.channel[ch].out[2];
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}
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if (fm.channel[i].out[3]!=NULL) {
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chOut+=*fm.channel[ch].out[3];
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}
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oscBuf[i]->putSample(h,CLAMP(chOut<<(i==melodicChans?1:2),-32768,32767));
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}
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// special
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oscBuf[melodicChans+1]->putSample(h,fm.slot[16].out*4);
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oscBuf[melodicChans+2]->putSample(h,fm.slot[14].out*4);
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oscBuf[melodicChans+3]->putSample(h,fm.slot[17].out*4);
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oscBuf[melodicChans+4]->putSample(h,fm.slot[13].out*4);
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} else {
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for (int i=0; i<chans; i++) {
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unsigned char ch=outChanMap[i];
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int chOut=0;
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if (ch==255) continue;
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if (isMuted[i]) continue;
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if (fm.channel[i].out[0]!=NULL) {
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chOut+=*fm.channel[ch].out[0];
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}
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if (fm.channel[i].out[1]!=NULL) {
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chOut+=*fm.channel[ch].out[1];
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}
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if (fm.channel[i].out[2]!=NULL) {
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chOut+=*fm.channel[ch].out[2];
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}
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if (fm.channel[i].out[3]!=NULL) {
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chOut+=*fm.channel[ch].out[3];
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}
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oscBuf[i]->putSample(h,CLAMP(chOut<<2,-32768,32767));
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}
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}
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if (chipType==4) {
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for (int i=pcmChanOffs; i<pcmChanOffs+24; i++) {
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oscBuf[i]->putSample(h,CLAMP(pcmBuf[i-pcmChanOffs],-32768,32767));
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}
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}
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if (os[0]<-32768) os[0]=-32768;
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if (os[0]>32767) os[0]=32767;
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if (os[1]<-32768) os[1]=-32768;
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if (os[1]>32767) os[1]=32767;
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if (os[2]<-32768) os[2]=-32768;
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if (os[2]>32767) os[2]=32767;
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if (os[3]<-32768) os[3]=-32768;
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if (os[3]>32767) os[3]=32767;
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if (os[4]<-32768) os[4]=-32768;
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if (os[4]>32767) os[4]=32767;
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if (os[5]<-32768) os[5]=-32768;
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if (os[5]>32767) os[5]=32767;
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buf[0][h]=os[0];
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if (totalOutputs>1) {
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buf[1][h]=os[1];
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}
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if (totalOutputs>2) {
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buf[2][h]=os[2];
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}
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if (totalOutputs>3) {
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buf[3][h]=os[3];
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}
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if (totalOutputs==6) {
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buf[4][h]=os[4];
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buf[5][h]=os[5];
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}
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}
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for (int i=0; i<MAX(adpcmChan+1,totalChans); i++) {
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oscBuf[i]->end(len);
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}
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}
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void DivPlatformOPL::acquire_ymfm1(short** buf, size_t len) {
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ymfm::ymfm_output<1> out;
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ymfm::ym3526::fm_engine* fme=fm_ymfm1->debug_fm_engine();
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ymfm::fm_channel<ymfm::opl_registers_base<1>>* fmChan[9];
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for (int i=0; i<9; i++) {
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fmChan[i]=fme->debug_channel(i);
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}
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for (int i=0; i<totalChans; i++) {
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oscBuf[i]->begin(len);
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}
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for (size_t h=0; h<len; h++) {
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if (!writes.empty() && --delay<0) {
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QueuedWrite& w=writes.front();
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if (w.addr==0xfffffffe) {
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delay=w.val;
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} else {
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fm_ymfm1->write(0,w.addr);
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fm_ymfm1->write(1,w.val);
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delay=1;
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regPool[w.addr&511]=w.val;
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}
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writes.pop();
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}
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fm_ymfm1->generate(&out,1);
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buf[0][h]=out.data[0];
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if (properDrums) {
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for (int i=0; i<7; i++) {
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if (isMuted[i]) continue;
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oscBuf[i]->putSample(h,CLAMP(fmChan[i]->debug_output(0)<<2,-32768,32767));
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}
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oscBuf[7]->putSample(h,CLAMP(fmChan[7]->debug_special1()<<2,-32768,32767));
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oscBuf[8]->putSample(h,CLAMP(fmChan[8]->debug_special1()<<2,-32768,32767));
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oscBuf[9]->putSample(h,CLAMP(fmChan[8]->debug_special2()<<2,-32768,32767));
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oscBuf[10]->putSample(h,CLAMP(fmChan[7]->debug_special2()<<2,-32768,32767));
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} else {
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for (int i=0; i<9; i++) {
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if (isMuted[i]) continue;
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oscBuf[i]->putSample(h,CLAMP(fmChan[i]->debug_output(0)<<2,-32768,32767));
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}
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}
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}
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for (int i=0; i<totalChans; i++) {
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oscBuf[i]->end(len);
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}
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}
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void DivPlatformOPL::acquire_ymfm2(short** buf, size_t len) {
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ymfm::ymfm_output<1> out;
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ymfm::ym3812::fm_engine* fme=fm_ymfm2->debug_fm_engine();
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ymfm::fm_channel<ymfm::opl_registers_base<2>>* fmChan[9];
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for (int i=0; i<9; i++) {
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fmChan[i]=fme->debug_channel(i);
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}
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for (int i=0; i<totalChans; i++) {
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oscBuf[i]->begin(len);
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}
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for (size_t h=0; h<len; h++) {
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if (!writes.empty() && --delay<0) {
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|
QueuedWrite& w=writes.front();
|
|
if (w.addr==0xfffffffe) {
|
|
delay=w.val;
|
|
} else {
|
|
fm_ymfm2->write(0,w.addr);
|
|
fm_ymfm2->write(1,w.val);
|
|
delay=1;
|
|
|
|
regPool[w.addr&511]=w.val;
|
|
}
|
|
writes.pop();
|
|
}
|
|
|
|
fm_ymfm2->generate(&out,1);
|
|
|
|
buf[0][h]=out.data[0];
|
|
|
|
if (properDrums) {
|
|
for (int i=0; i<7; i++) {
|
|
if (isMuted[i]) continue;
|
|
oscBuf[i]->putSample(h,CLAMP(fmChan[i]->debug_output(0)<<2,-32768,32767));
|
|
}
|
|
oscBuf[7]->putSample(h,CLAMP(fmChan[7]->debug_special1()<<2,-32768,32767));
|
|
oscBuf[8]->putSample(h,CLAMP(fmChan[8]->debug_special1()<<2,-32768,32767));
|
|
oscBuf[9]->putSample(h,CLAMP(fmChan[8]->debug_special2()<<2,-32768,32767));
|
|
oscBuf[10]->putSample(h,CLAMP(fmChan[7]->debug_special2()<<2,-32768,32767));
|
|
} else {
|
|
for (int i=0; i<9; i++) {
|
|
if (isMuted[i]) continue;
|
|
oscBuf[i]->putSample(h,CLAMP(fmChan[i]->debug_output(0)<<2,-32768,32767));
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::acquire_ymfm8950(short** buf, size_t len) {
|
|
ymfm::ymfm_output<1> out;
|
|
|
|
ymfm::y8950::fm_engine* fme=fm_ymfm8950->debug_fm_engine();
|
|
ymfm::adpcm_b_engine* abe=fm_ymfm8950->debug_adpcm_b_engine();
|
|
ymfm::fm_channel<ymfm::opl_registers_base<1>>* fmChan[9];
|
|
|
|
for (int i=0; i<9; i++) {
|
|
fmChan[i]=fme->debug_channel(i);
|
|
}
|
|
|
|
for (int i=0; i<totalChans+1; i++) {
|
|
oscBuf[i]->begin(len);
|
|
}
|
|
|
|
for (size_t h=0; h<len; h++) {
|
|
if (!writes.empty() && --delay<0) {
|
|
QueuedWrite& w=writes.front();
|
|
if (w.addr==0xfffffffe) {
|
|
delay=w.val;
|
|
} else {
|
|
fm_ymfm8950->write(0,w.addr);
|
|
fm_ymfm8950->write(1,w.val);
|
|
delay=1;
|
|
|
|
regPool[w.addr&511]=w.val;
|
|
}
|
|
writes.pop();
|
|
}
|
|
|
|
fm_ymfm8950->generate(&out,1);
|
|
|
|
buf[0][h]=out.data[0];
|
|
|
|
if (properDrums) {
|
|
for (int i=0; i<7; i++) {
|
|
if (isMuted[i]) continue;
|
|
oscBuf[i]->putSample(h,CLAMP(fmChan[i]->debug_output(0)<<2,-32768,32767));
|
|
}
|
|
oscBuf[7]->putSample(h,CLAMP(fmChan[7]->debug_special1()<<2,-32768,32767));
|
|
oscBuf[8]->putSample(h,CLAMP(fmChan[8]->debug_special1()<<2,-32768,32767));
|
|
oscBuf[9]->putSample(h,CLAMP(fmChan[8]->debug_special2()<<2,-32768,32767));
|
|
oscBuf[10]->putSample(h,CLAMP(fmChan[7]->debug_special2()<<2,-32768,32767));
|
|
oscBuf[11]->putSample(h,CLAMP(abe->get_last_out(0)<<2,-32768,32767));
|
|
} else {
|
|
for (int i=0; i<9; i++) {
|
|
if (isMuted[i]) continue;
|
|
oscBuf[i]->putSample(h,CLAMP(fmChan[i]->debug_output(0)<<2,-32768,32767));
|
|
}
|
|
oscBuf[9]->putSample(h,CLAMP(abe->get_last_out(0)<<2,-32768,32767));
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<totalChans+1; i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::acquire_ymfm3(short** buf, size_t len) {
|
|
ymfm::ymfm_output<4> out;
|
|
|
|
ymfm::ymf262::fm_engine* fme=fm_ymfm3->debug_fm_engine();
|
|
ymfm::fm_channel<ymfm::opl_registers_base<3>>* fmChan[18];
|
|
|
|
for (int i=0; i<18; i++) {
|
|
fmChan[i]=fme->debug_channel(i);
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->begin(len);
|
|
}
|
|
|
|
for (size_t h=0; h<len; h++) {
|
|
if (!writes.empty() && --delay<0) {
|
|
QueuedWrite& w=writes.front();
|
|
if (w.addr==0xfffffffe) {
|
|
delay=w.val;
|
|
} else {
|
|
fm_ymfm3->write((w.addr&0x100)?2:0,w.addr);
|
|
fm_ymfm3->write(1,w.val);
|
|
delay=1;
|
|
|
|
regPool[w.addr&511]=w.val;
|
|
}
|
|
writes.pop();
|
|
}
|
|
|
|
fm_ymfm3->generate(&out,1);
|
|
|
|
if (downsample) {
|
|
// 49716-44100
|
|
downsamplerStep+=5616;
|
|
if (downsamplerStep>=44100) {
|
|
downsamplerStep-=44100;
|
|
h--;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
buf[0][h]=out.data[0]>>1;
|
|
if (totalOutputs>1) {
|
|
buf[1][h]=out.data[1]>>1;
|
|
}
|
|
if (totalOutputs>2) {
|
|
buf[2][h]=out.data[2]>>1;
|
|
}
|
|
if (totalOutputs>3) {
|
|
buf[3][h]=out.data[3]>>1;
|
|
}
|
|
if (totalOutputs==6) {
|
|
// placeholder for OPL4
|
|
buf[4][h]=0;
|
|
buf[5][h]=0;
|
|
}
|
|
|
|
if (properDrums) {
|
|
for (int i=0; i<16; i++) {
|
|
unsigned char ch=(i<12 && chan[i&(~1)].fourOp)?outChanMap[i^1]:outChanMap[i];
|
|
if (ch==255) continue;
|
|
if (isMuted[i]) continue;
|
|
int chOut=fmChan[ch]->debug_output(0)+fmChan[ch]->debug_output(1);
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(2);
|
|
}
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(3);
|
|
}
|
|
if (i==15) {
|
|
oscBuf[i]->putSample(h,CLAMP(chOut>>1,-32768,32767));
|
|
} else {
|
|
oscBuf[i]->putSample(h,CLAMP(chOut,-32768,32767));
|
|
}
|
|
}
|
|
oscBuf[16]->putSample(h,CLAMP(fmChan[7]->debug_special2()<<1,-32768,32767));
|
|
oscBuf[17]->putSample(h,CLAMP(fmChan[8]->debug_special1()<<1,-32768,32767));
|
|
oscBuf[18]->putSample(h,CLAMP(fmChan[8]->debug_special2()<<1,-32768,32767));
|
|
oscBuf[19]->putSample(h,CLAMP(fmChan[7]->debug_special1()<<1,-32768,32767));
|
|
} else {
|
|
for (int i=0; i<18; i++) {
|
|
unsigned char ch=outChanMap[i];
|
|
if (ch==255) continue;
|
|
if (isMuted[i]) continue;
|
|
int chOut=fmChan[ch]->debug_output(0)+fmChan[ch]->debug_output(1);
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(2);
|
|
}
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(3);
|
|
}
|
|
oscBuf[i]->putSample(h,CLAMP(chOut,-32768,32767));
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::acquire_ymfm4(short** buf, size_t len) {
|
|
ymfm::ymfm_output<6> out;
|
|
|
|
ymfm::ymf278b::fm_engine* fme=fm_ymfm4->debug_fm_engine();
|
|
ymfm::pcm_engine* pcme=fm_ymfm4->debug_pcm_engine();
|
|
ymfm::fm_channel<ymfm::opl_registers_base<4>>* fmChan[18];
|
|
ymfm::pcm_channel* pcmChan[24];
|
|
|
|
for (int i=0; i<18; i++) {
|
|
fmChan[i]=fme->debug_channel(i);
|
|
}
|
|
|
|
for (int i=0; i<24; i++) {
|
|
pcmChan[i]=pcme->debug_channel(i);
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->begin(len);
|
|
}
|
|
|
|
for (size_t h=0; h<len; h++) {
|
|
if (!writes.empty() && --delay<0) {
|
|
QueuedWrite& w=writes.front();
|
|
if (w.addr==0xfffffffe) {
|
|
delay=w.val;
|
|
} else {
|
|
fm_ymfm4->write((w.addr&0x200)?4:(w.addr&0x100)?2:0,w.addr);
|
|
fm_ymfm4->write((w.addr&0x200)?5:1,w.val);
|
|
delay=1;
|
|
|
|
regPool[(w.addr&0x200)?(0x200+(w.addr&255)):(w.addr&511)]=w.val;
|
|
}
|
|
writes.pop();
|
|
}
|
|
|
|
fm_ymfm4->generate(&out,1);
|
|
|
|
buf[0][h]=out.data[4]>>1; // FM + PCM left
|
|
if (totalOutputs>1) {
|
|
buf[1][h]=out.data[5]>>1; // FM + PCM right
|
|
}
|
|
if (totalOutputs>2) {
|
|
buf[2][h]=out.data[0]>>1; // FM left
|
|
}
|
|
if (totalOutputs>3) {
|
|
buf[3][h]=out.data[1]>>1; // FM right
|
|
}
|
|
if (totalOutputs==6) {
|
|
buf[4][h]=out.data[2]>>1; // PCM left
|
|
buf[5][h]=out.data[3]>>1; // PCM right
|
|
}
|
|
|
|
if (properDrums) {
|
|
for (int i=0; i<16; i++) {
|
|
unsigned char ch=(i<12 && chan[i&(~1)].fourOp)?outChanMap[i^1]:outChanMap[i];
|
|
if (ch==255) continue;
|
|
if (isMuted[i]) continue;
|
|
int chOut=fmChan[ch]->debug_output(0);
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(1);
|
|
}
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(2);
|
|
}
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(3);
|
|
}
|
|
if (i==15) {
|
|
oscBuf[i]->putSample(h,CLAMP(chOut,-32768,32767));
|
|
} else {
|
|
oscBuf[i]->putSample(h,CLAMP(chOut<<1,-32768,32767));
|
|
}
|
|
}
|
|
oscBuf[16]->putSample(h,CLAMP(fmChan[7]->debug_special2()<<1,-32768,32767));
|
|
oscBuf[17]->putSample(h,CLAMP(fmChan[8]->debug_special1()<<1,-32768,32767));
|
|
oscBuf[18]->putSample(h,CLAMP(fmChan[8]->debug_special2()<<1,-32768,32767));
|
|
oscBuf[19]->putSample(h,CLAMP(fmChan[7]->debug_special1()<<1,-32768,32767));
|
|
} else {
|
|
for (int i=0; i<18; i++) {
|
|
unsigned char ch=outChanMap[i];
|
|
if (ch==255) continue;
|
|
if (isMuted[i]) continue;
|
|
int chOut=fmChan[ch]->debug_output(0);
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(1);
|
|
}
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(2);
|
|
}
|
|
if (chOut==0) {
|
|
chOut=fmChan[ch]->debug_output(3);
|
|
}
|
|
oscBuf[i]->putSample(h,CLAMP(chOut<<1,-32768,32767));
|
|
}
|
|
}
|
|
for (int i=0; i<24; i++) {
|
|
unsigned char oscOffs=i+pcmChanOffs;
|
|
int chOut=pcmChan[i]->debug_output(0);
|
|
chOut+=pcmChan[i]->debug_output(1);
|
|
chOut+=pcmChan[i]->debug_output(2);
|
|
chOut+=pcmChan[i]->debug_output(3);
|
|
oscBuf[oscOffs]->putSample(h,CLAMP(chOut<<1,-32768,32767));
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
static const int cycleMap[18]={
|
|
6, 7, 8, 6, 7, 8, 0, 1, 2,
|
|
0, 1, 2, 3, 4, 5, 3, 4, 5,
|
|
};
|
|
|
|
static const int cycleMapDrums[18]={
|
|
6, 10, 8, 6, 7, 9, 0, 1, 2,
|
|
0, 1, 2, 3, 4, 5, 3, 4, 5,
|
|
};
|
|
|
|
static const int cycleMap3[36]={
|
|
14, 12, 13, 14, 0, 2, 4, 0, 2,
|
|
4, 1, 3, 5, 1, 3, 5, 15, 16,
|
|
17, 15, 16, 17, 6, 8, 10, 6, 8, 10, 7, 9, 11, 7, 9, 11, 12, 13
|
|
};
|
|
|
|
static const int cycleMap3Drums[36]={
|
|
14, 12, 13, 14, 0, 2, 4, 0, 2,
|
|
4, 1, 3, 5, 1, 3, 5, 15, 19,
|
|
17, 15, 16, 18, 6, 8, 10, 6, 8, 10, 7, 9, 11, 7, 9, 11, 12, 13
|
|
};
|
|
|
|
void DivPlatformOPL::acquire_nukedLLE2(short** buf, size_t len) {
|
|
int chOut[11];
|
|
thread_local ymfm::ymfm_output<2> aOut;
|
|
|
|
for (int i=0; i<MAX(adpcmChan+1,totalChans); i++) {
|
|
oscBuf[i]->begin(len);
|
|
}
|
|
|
|
for (size_t h=0; h<len; h++) {
|
|
int curCycle=0;
|
|
unsigned char subCycle=0;
|
|
|
|
for (int i=0; i<11; i++) {
|
|
chOut[i]=0;
|
|
}
|
|
|
|
while (true) {
|
|
lastSH=fm_lle2.o_sh;
|
|
lastSY=fm_lle2.o_sy;
|
|
|
|
// register control
|
|
if (waitingBusy) {
|
|
fm_lle2.input.cs=0;
|
|
fm_lle2.input.rd=0;
|
|
fm_lle2.input.wr=1;
|
|
fm_lle2.input.address=0;
|
|
} else {
|
|
if (!writes.empty()) {
|
|
QueuedWrite& w=writes.front();
|
|
|
|
if (w.addrOrVal) {
|
|
regPool[w.addr&511]=w.val;
|
|
fm_lle2.input.cs=0;
|
|
fm_lle2.input.rd=1;
|
|
fm_lle2.input.wr=0;
|
|
fm_lle2.input.address=1;
|
|
fm_lle2.input.data_i=w.val;
|
|
writes.pop();
|
|
delay=84;
|
|
} else {
|
|
if (chipType==8950) {
|
|
switch (w.addr) {
|
|
case 8:
|
|
adpcmB->write(w.addr-7,(w.val&15)|0x80);
|
|
fm_lle2.input.cs=0;
|
|
fm_lle2.input.rd=1;
|
|
fm_lle2.input.wr=0;
|
|
fm_lle2.input.address=0;
|
|
fm_lle2.input.data_i=w.addr;
|
|
w.addrOrVal=true;
|
|
// weird. wasn't it 12?
|
|
delay=24;
|
|
break;
|
|
case 7: case 9: case 10: case 11: case 12: case 13: case 14: case 15: case 16: case 17: case 18: case 21: case 22: case 23:
|
|
adpcmB->write(w.addr-7,w.val);
|
|
regPool[w.addr&511]=w.val;
|
|
writes.pop();
|
|
delay=108;
|
|
break;
|
|
default:
|
|
fm_lle2.input.cs=0;
|
|
fm_lle2.input.rd=1;
|
|
fm_lle2.input.wr=0;
|
|
fm_lle2.input.address=0;
|
|
fm_lle2.input.data_i=w.addr;
|
|
w.addrOrVal=true;
|
|
// weird. wasn't it 12?
|
|
delay=24;
|
|
break;
|
|
}
|
|
} else {
|
|
fm_lle2.input.cs=0;
|
|
fm_lle2.input.rd=1;
|
|
fm_lle2.input.wr=0;
|
|
fm_lle2.input.address=0;
|
|
fm_lle2.input.data_i=w.addr;
|
|
w.addrOrVal=true;
|
|
// weird. wasn't it 12?
|
|
delay=24;
|
|
}
|
|
}
|
|
|
|
waitingBusy=true;
|
|
}
|
|
}
|
|
|
|
fm_lle2.input.mclk=1;
|
|
FMOPL2_Clock(&fm_lle2);
|
|
fm_lle2.input.mclk=0;
|
|
FMOPL2_Clock(&fm_lle2);
|
|
|
|
if (waitingBusy) {
|
|
if (--delay<0) waitingBusy=false;
|
|
}
|
|
|
|
if (!(++subCycle&3)) {
|
|
if (properDrums) {
|
|
chOut[cycleMapDrums[curCycle]]+=fm_lle2.op_value_debug;
|
|
} else {
|
|
chOut[cycleMap[curCycle]]+=fm_lle2.op_value_debug;
|
|
}
|
|
curCycle++;
|
|
}
|
|
|
|
if (fm_lle2.o_sy && !lastSY) {
|
|
dacVal>>=1;
|
|
dacVal|=(fm_lle2.o_mo&1)<<17;
|
|
}
|
|
|
|
if (!fm_lle2.o_sh && lastSH) {
|
|
int e=(dacVal>>15)&7;
|
|
int m=(dacVal>>5)&1023;
|
|
m-=512;
|
|
dacOut=(m<<e)>>1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<11; i++) {
|
|
if (isMuted[i]) continue;
|
|
if (i>=6 && properDrums) {
|
|
chOut[i]<<=1;
|
|
} else {
|
|
chOut[i]<<=2;
|
|
}
|
|
if (chOut[i]<-32768) chOut[i]=-32768;
|
|
if (chOut[i]>32767) chOut[i]=32767;
|
|
oscBuf[i]->putSample(h,chOut[i]);
|
|
}
|
|
|
|
if (chipType==8950) {
|
|
adpcmB->clock();
|
|
aOut.clear();
|
|
adpcmB->output<2>(aOut,0);
|
|
|
|
if (!isMuted[adpcmChan]) {
|
|
dacOut-=aOut.data[0]>>3;
|
|
oscBuf[adpcmChan]->putSample(h,aOut.data[0]>>1);
|
|
} else {
|
|
oscBuf[adpcmChan]->putSample(h,0);
|
|
}
|
|
}
|
|
|
|
if (dacOut<-32768) dacOut=-32768;
|
|
if (dacOut>32767) dacOut=32767;
|
|
|
|
buf[0][h]=dacOut;
|
|
}
|
|
|
|
for (int i=0; i<MAX(adpcmChan+1,totalChans); i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::acquire_nukedLLE3(short** buf, size_t len) {
|
|
int chOut[20];
|
|
int ch=0;
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->begin(len);
|
|
}
|
|
|
|
for (size_t h=0; h<len; h++) {
|
|
int curCycle=0;
|
|
unsigned char subCycle=0;
|
|
|
|
for (int i=0; i<20; i++) {
|
|
chOut[i]=0;
|
|
}
|
|
|
|
while (true) {
|
|
lastSH=fm_lle3.o_smpac;
|
|
lastSH2=fm_lle3.o_smpbd;
|
|
lastSY=fm_lle3.o_sy;
|
|
|
|
// register control
|
|
if (waitingBusy) {
|
|
if (delay<15) {
|
|
fm_lle3.input.cs=0;
|
|
fm_lle3.input.rd=0;
|
|
fm_lle3.input.wr=1;
|
|
fm_lle3.input.address=0;
|
|
}
|
|
} else {
|
|
if (!writes.empty()) {
|
|
QueuedWrite& w=writes.front();
|
|
|
|
if (w.addrOrVal) {
|
|
regPool[w.addr&511]=w.val;
|
|
fm_lle3.input.cs=0;
|
|
fm_lle3.input.rd=1;
|
|
fm_lle3.input.wr=0;
|
|
fm_lle3.input.address=(w.addr&0x100)?3:1;
|
|
fm_lle3.input.data_i=w.val;
|
|
writes.pop();
|
|
delay=18;
|
|
} else {
|
|
fm_lle3.input.cs=0;
|
|
fm_lle3.input.rd=1;
|
|
fm_lle3.input.wr=0;
|
|
fm_lle3.input.address=(w.addr&0x100)?2:0;
|
|
fm_lle3.input.data_i=w.addr&0xff;
|
|
w.addrOrVal=true;
|
|
// weird. wasn't it 12?
|
|
delay=18;
|
|
}
|
|
|
|
waitingBusy=true;
|
|
}
|
|
}
|
|
|
|
fm_lle3.input.mclk=1;
|
|
FMOPL3_Clock(&fm_lle3);
|
|
fm_lle3.input.mclk=0;
|
|
FMOPL3_Clock(&fm_lle3);
|
|
|
|
if (waitingBusy) {
|
|
if (--delay<0) waitingBusy=false;
|
|
}
|
|
|
|
if (!(++subCycle&1)) {
|
|
if (properDrums) {
|
|
ch=cycleMap3Drums[curCycle];
|
|
} else {
|
|
ch=cycleMap3[curCycle];
|
|
}
|
|
|
|
if (ch<12 && !(ch&1) && chan[ch&(~1)].state.alg>0) ch|=1;
|
|
|
|
if (ch>=12 || (ch&1) || !chan[ch&(~1)].fourOp) {
|
|
if (fm_lle3.op_value_debug&0x1000) {
|
|
chOut[ch]+=(fm_lle3.op_value_debug|0xfffff000)<<1;
|
|
} else {
|
|
chOut[ch]+=(fm_lle3.op_value_debug)<<1;
|
|
}
|
|
}
|
|
curCycle++;
|
|
}
|
|
|
|
if (fm_lle3.o_sy && !lastSY) {
|
|
dacVal>>=1;
|
|
dacVal|=(fm_lle3.o_doab&1)<<17;
|
|
dacVal2>>=1;
|
|
dacVal2|=(fm_lle3.o_docd&1)<<17;
|
|
}
|
|
|
|
if (!fm_lle3.o_smpbd && lastSH2) {
|
|
dacOut3[0]=((dacVal>>1)&0xffff)-0x8000;
|
|
dacOut3[2]=((dacVal2>>1)&0xffff)-0x8000;
|
|
}
|
|
|
|
if (!fm_lle3.o_smpac && lastSH) {
|
|
dacOut3[1]=((dacVal>>1)&0xffff)-0x8000;
|
|
dacOut3[3]=((dacVal2>>1)&0xffff)-0x8000;
|
|
break;
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<20; i++) {
|
|
if (isMuted[i]) continue;
|
|
if (chOut[i]<-32768) chOut[i]=-32768;
|
|
if (chOut[i]>32767) chOut[i]=32767;
|
|
oscBuf[i]->putSample(h,chOut[i]);
|
|
}
|
|
|
|
for (int i=0; i<MIN(4,totalOutputs); i++) {
|
|
if (dacOut3[i]<-32768) dacOut3[i]=-32768;
|
|
if (dacOut3[i]>32767) dacOut3[i]=32767;
|
|
|
|
buf[i][h]=dacOut3[i];
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::acquire(short** buf, size_t len) {
|
|
if (emuCore==2) { // LLE
|
|
switch (chipType) {
|
|
case 1: case 2: case 8950:
|
|
acquire_nukedLLE2(buf,len);
|
|
break;
|
|
case 3: case 759:
|
|
acquire_nukedLLE3(buf,len);
|
|
break;
|
|
}
|
|
} else if (emuCore==1) { // ymfm
|
|
switch (chipType) {
|
|
case 1:
|
|
acquire_ymfm1(buf,len);
|
|
break;
|
|
case 2:
|
|
acquire_ymfm2(buf,len);
|
|
break;
|
|
case 8950:
|
|
acquire_ymfm8950(buf,len);
|
|
break;
|
|
case 3: case 759:
|
|
acquire_ymfm3(buf,len);
|
|
break;
|
|
case 4:
|
|
acquire_ymfm4(buf,len);
|
|
break;
|
|
}
|
|
} else { // OPL3
|
|
acquire_nuked(buf,len);
|
|
}
|
|
}
|
|
|
|
double DivPlatformOPL::NOTE_ADPCMB(int note) {
|
|
if (adpcmChan<0) return 0;
|
|
if (chan[adpcmChan].sample>=0 && chan[adpcmChan].sample<parent->song.sampleLen) {
|
|
double off=65535.0*(double)(parent->getSample(chan[adpcmChan].sample)->centerRate)/parent->getCenterRate();
|
|
return parent->calcBaseFreq((double)chipClock/(compatYPitch?144:72),off,note,false);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void DivPlatformOPL::tick(bool sysTick) {
|
|
for (int i=0; i<totalChans; i++) {
|
|
if (PCM_CHECK(i)) { // OPL4 PCM
|
|
chan[i].std.next();
|
|
if (chan[i].std.vol.had) {
|
|
chan[i].outVol=VOL_SCALE_LOG((chan[i].vol&0x7f),(0x7f*chan[i].std.vol.val)/chan[i].macroVolMul,0x7f);
|
|
immWrite(PCM_ADDR_TL+(PCM_REG(i)),((0x7f-chan[i].outVol)<<1)|(chan[i].levelDirect?1:0));
|
|
}
|
|
|
|
if (NEW_ARP_STRAT) {
|
|
chan[i].handleArp();
|
|
} else if (chan[i].std.arp.had) {
|
|
if (!chan[i].inPorta) {
|
|
chan[i].baseFreq=NOTE_PCM(parent->calcArp(chan[i].note,chan[i].std.arp.val));
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
|
|
if (chan[i].std.pitch.had) {
|
|
if (chan[i].std.pitch.mode) {
|
|
chan[i].pitch2+=chan[i].std.pitch.val;
|
|
CLAMP_VAR(chan[i].pitch2,-131071,131071);
|
|
} else {
|
|
chan[i].pitch2=chan[i].std.pitch.val;
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
|
|
if (chan[i].std.phaseReset.had) {
|
|
if (chan[i].std.phaseReset.val==1 && chan[i].active) {
|
|
chan[i].keyOn=true;
|
|
chan[i].writeCtrl=true;
|
|
}
|
|
}
|
|
|
|
if (chan[i].std.panL.had) { // panning
|
|
chan[i].pan=chan[i].std.panL.val&0xf;
|
|
chan[i].freqChanged=true;
|
|
chan[i].writeCtrl=true;
|
|
}
|
|
|
|
if (chan[i].std.ex1.had) {
|
|
chan[i].lfo=chan[i].std.ex1.val&0x7;
|
|
rWrite(PCM_ADDR_LFO_VIB+PCM_REG(i),(chan[i].lfo<<3)|(chan[i].vib));
|
|
}
|
|
|
|
if (chan[i].std.fms.had) {
|
|
chan[i].vib=chan[i].std.fms.val&0x7;
|
|
rWrite(PCM_ADDR_LFO_VIB+PCM_REG(i),(chan[i].lfo<<3)|(chan[i].vib));
|
|
}
|
|
|
|
if (chan[i].std.ams.had) {
|
|
chan[i].am=chan[i].std.ams.val&0x7;
|
|
rWrite(PCM_ADDR_AM+PCM_REG(i),chan[i].am);
|
|
}
|
|
|
|
if (chan[i].std.ex2.had) {
|
|
chan[i].ar=chan[i].std.ex2.val&0xf;
|
|
rWrite(PCM_ADDR_AR_D1R+PCM_REG(i),(chan[i].ar<<4)|(chan[i].d1r));
|
|
}
|
|
|
|
if (chan[i].std.ex3.had) {
|
|
chan[i].d1r=chan[i].std.ex3.val&0xf;
|
|
rWrite(PCM_ADDR_AR_D1R+PCM_REG(i),(chan[i].ar<<4)|(chan[i].d1r));
|
|
}
|
|
|
|
if (chan[i].std.ex4.had) {
|
|
chan[i].dl=chan[i].std.ex4.val&0xf;
|
|
rWrite(PCM_ADDR_DL_D2R+PCM_REG(i),(chan[i].dl<<4)|(chan[i].d2r));
|
|
}
|
|
|
|
if (chan[i].std.ex5.had) {
|
|
chan[i].d2r=chan[i].std.ex5.val&0xf;
|
|
rWrite(PCM_ADDR_DL_D2R+PCM_REG(i),(chan[i].dl<<4)|(chan[i].d2r));
|
|
}
|
|
|
|
if (chan[i].std.ex6.had) {
|
|
chan[i].rc=chan[i].std.ex6.val&0xf;
|
|
rWrite(PCM_ADDR_RC_RR+PCM_REG(i),(chan[i].rc<<4)|(chan[i].rr));
|
|
}
|
|
|
|
if (chan[i].std.ex7.had) {
|
|
chan[i].rr=chan[i].std.ex7.val&0xf;
|
|
rWrite(PCM_ADDR_RC_RR+PCM_REG(i),(chan[i].rc<<4)|(chan[i].rr));
|
|
}
|
|
|
|
} else {
|
|
int ops=(slots[3][i]!=255 && chan[i].state.ops==4 && oplType==3)?4:2;
|
|
chan[i].std.next();
|
|
|
|
if (chan[i].std.vol.had) {
|
|
chan[i].outVol=VOL_SCALE_LOG_BROKEN(chan[i].vol,MIN(63,chan[i].std.vol.val),63);
|
|
for (int j=0; j<ops; j++) {
|
|
unsigned char slot=slots[j][i];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[(ops==4)?orderedOpsL[j]:j];
|
|
|
|
if (isMuted[i]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(i,j) || i>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[i].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (NEW_ARP_STRAT) {
|
|
chan[i].handleArp();
|
|
} else if (chan[i].std.arp.had) {
|
|
if (!chan[i].inPorta) {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(parent->calcArp(chan[i].note,chan[i].std.arp.val));
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
|
|
if (oplType==3 && chan[i].std.panL.had) {
|
|
chan[i].pan=((chan[i].std.panL.val&1)<<1)|((chan[i].std.panL.val&2)>>1)|((chan[i].std.panL.val&4)<<1)|((chan[i].std.panL.val&8)>>1);
|
|
}
|
|
|
|
if (chan[i].std.pitch.had) {
|
|
if (chan[i].std.pitch.mode) {
|
|
chan[i].pitch2+=chan[i].std.pitch.val;
|
|
CLAMP_VAR(chan[i].pitch2,-131071,131071);
|
|
} else {
|
|
chan[i].pitch2=chan[i].std.pitch.val;
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
|
|
if (chan[i].std.phaseReset.had) {
|
|
if (chan[i].std.phaseReset.val==1 && chan[i].active) {
|
|
chan[i].keyOn=true;
|
|
}
|
|
}
|
|
|
|
if (chan[i].std.alg.had) {
|
|
chan[i].state.alg=chan[i].std.alg.val;
|
|
}
|
|
if (chan[i].std.fb.had) {
|
|
chan[i].state.fb=chan[i].std.fb.val;
|
|
}
|
|
|
|
if (chan[i].std.alg.had || chan[i].std.fb.had || (oplType==3 && chan[i].std.panL.had)) {
|
|
if (isMuted[i] && i<=melodicChans) {
|
|
rWrite(chanMap[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&1)|(chan[i].state.fb<<1));
|
|
if (ops==4) {
|
|
rWrite(chanMap[i+1]+ADDR_LR_FB_ALG,((chan[i].state.alg>>1)&1)|(chan[i].state.fb<<1));
|
|
}
|
|
} else {
|
|
rWrite(chanMap[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&1)|(chan[i].state.fb<<1)|((chan[i].pan&15)<<4));
|
|
if (ops==4) {
|
|
rWrite(chanMap[i+1]+ADDR_LR_FB_ALG,((chan[i].state.alg>>1)&1)|(chan[i].state.fb<<1)|((chan[i].pan&15)<<4));
|
|
}
|
|
}
|
|
}
|
|
|
|
for (int j=0; j<ops; j++) {
|
|
unsigned char slot=slots[j][i];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[(ops==4)?orderedOpsL[j]:j];
|
|
DivMacroInt::IntOp& m=chan[i].std.op[(ops==4)?orderedOpsL[j]:j];
|
|
if (m.am.had) {
|
|
op.am=m.am.val;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
if (m.vib.had) {
|
|
op.vib=m.vib.val;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
if (m.sus.had) {
|
|
op.sus=m.sus.val;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
if (m.ksr.had) {
|
|
op.ksr=m.ksr.val;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
if (m.mult.had) {
|
|
op.mult=m.mult.val;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
|
|
if (m.ar.had) {
|
|
op.ar=m.ar.val;
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
}
|
|
if (m.dr.had) {
|
|
op.dr=m.dr.val;
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
}
|
|
if (m.sl.had) {
|
|
op.sl=m.sl.val;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
}
|
|
if (m.rr.had) {
|
|
op.rr=m.rr.val;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
}
|
|
|
|
if (oplType>1) {
|
|
if (m.ws.had) {
|
|
op.ws=m.ws.val;
|
|
rWrite(baseAddr+ADDR_WS,op.ws&((oplType==3)?7:3));
|
|
}
|
|
}
|
|
|
|
if (m.tl.had) {
|
|
op.tl=m.tl.val&63;
|
|
}
|
|
if (m.ksl.had) {
|
|
op.ksl=m.ksl.val;
|
|
}
|
|
if (m.tl.had || m.ksl.had) {
|
|
if (isMuted[i]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(i,j) || i>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[i].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int hardResetElapsed=0;
|
|
bool mustHardReset=false;
|
|
bool weWillWriteRRLater[64];
|
|
|
|
memset(weWillWriteRRLater,0,64*sizeof(bool));
|
|
|
|
unsigned char opMask=(int)(chan[0].fourOp)|(chan[2].fourOp<<1)|(chan[4].fourOp<<2)|(chan[6].fourOp<<3)|(chan[8].fourOp<<4)|(chan[10].fourOp<<5);
|
|
|
|
// write ops which are being enabled
|
|
if (update4OpMask) {
|
|
if (oplType==3) {
|
|
immWrite(0x104,opMask|oldOpMask);
|
|
//printf("updating opMask to %.2x\n",opMask);
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<melodicChans; i++) {
|
|
int ops=(slots[3][i]!=255 && chan[i].state.ops==4 && oplType==3)?4:2;
|
|
|
|
if (chan[i].keyOn || chan[i].keyOff) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,0x00|(chan[i].freqH&31));
|
|
chan[i].keyOff=false;
|
|
}
|
|
if (chan[i].hardReset && chan[i].keyOn) {
|
|
mustHardReset=true;
|
|
for (int j=0; j<ops; j++) {
|
|
unsigned char slot=slots[j][i];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
if (baseAddr>=0x100) {
|
|
weWillWriteRRLater[(baseAddr&0xff)|32]=true;
|
|
} else {
|
|
weWillWriteRRLater[(baseAddr&0xff)]=true;
|
|
}
|
|
immWrite(baseAddr+ADDR_SL_RR,0x0f);
|
|
hardResetElapsed++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// and now the ones being disabled
|
|
if (update4OpMask) {
|
|
update4OpMask=false;
|
|
if (oplType==3) {
|
|
immWrite(0x104,opMask);
|
|
//printf("updating opMask to %.2x\n",opMask);
|
|
}
|
|
oldOpMask=opMask;
|
|
}
|
|
|
|
// update drums
|
|
if (properDrums) {
|
|
bool updateDrums=false;
|
|
for (int i=melodicChans; i<melodicChans+5; i++) {
|
|
if (chan[i].keyOn || chan[i].keyOff) {
|
|
drumState&=~(1<<(melodicChans+4-i));
|
|
updateDrums=true;
|
|
chan[i].keyOff=false;
|
|
}
|
|
}
|
|
|
|
if (updateDrums) {
|
|
immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
|
|
}
|
|
}
|
|
|
|
// ADPCM
|
|
if (adpcmChan>=0) {
|
|
if (chan[adpcmChan].furnacePCM) {
|
|
chan[adpcmChan].std.next();
|
|
|
|
if (chan[adpcmChan].std.vol.had) {
|
|
chan[adpcmChan].outVol=(chan[adpcmChan].vol*MIN(chan[adpcmChan].macroVolMul,chan[adpcmChan].std.vol.val))/chan[adpcmChan].macroVolMul;
|
|
immWrite(18,(isMuted[adpcmChan]?0:chan[adpcmChan].outVol));
|
|
}
|
|
|
|
if (NEW_ARP_STRAT) {
|
|
chan[adpcmChan].handleArp();
|
|
} else if (chan[adpcmChan].std.arp.had) {
|
|
if (!chan[adpcmChan].inPorta) {
|
|
chan[adpcmChan].baseFreq=NOTE_ADPCMB(parent->calcArp(chan[adpcmChan].note,chan[adpcmChan].std.arp.val));
|
|
}
|
|
chan[adpcmChan].freqChanged=true;
|
|
}
|
|
if (chan[adpcmChan].std.phaseReset.had) {
|
|
if ((chan[adpcmChan].std.phaseReset.val==1) && chan[adpcmChan].active) {
|
|
chan[adpcmChan].keyOn=true;
|
|
}
|
|
}
|
|
}
|
|
if (chan[adpcmChan].freqChanged || chan[adpcmChan].keyOn || chan[adpcmChan].keyOff) {
|
|
if (chan[adpcmChan].sample>=0 && chan[adpcmChan].sample<parent->song.sampleLen) {
|
|
double off=65535.0*(double)(parent->getSample(chan[adpcmChan].sample)->centerRate)/parent->getCenterRate();
|
|
chan[adpcmChan].freq=parent->calcFreq(chan[adpcmChan].baseFreq,chan[adpcmChan].pitch,chan[adpcmChan].fixedArp?chan[adpcmChan].baseNoteOverride:chan[adpcmChan].arpOff,chan[adpcmChan].fixedArp,false,4,chan[adpcmChan].pitch2,(double)chipClock/(compatYPitch?144:72),off);
|
|
} else {
|
|
chan[adpcmChan].freq=0;
|
|
}
|
|
if (chan[adpcmChan].fixedFreq>0) chan[adpcmChan].freq=chan[adpcmChan].fixedFreq;
|
|
if (pretendYMU) { // YMU759 only does 4KHz or 8KHz
|
|
if (chan[adpcmChan].freq>7500) {
|
|
chan[adpcmChan].freq=10922; // 8KHz
|
|
} else {
|
|
chan[adpcmChan].freq=5461; // 4KHz
|
|
}
|
|
}
|
|
if (chan[adpcmChan].freq<0) chan[adpcmChan].freq=0;
|
|
if (chan[adpcmChan].freq>65535) chan[adpcmChan].freq=65535;
|
|
immWrite(16,chan[adpcmChan].freq&0xff);
|
|
immWrite(17,(chan[adpcmChan].freq>>8)&0xff);
|
|
if (chan[adpcmChan].keyOn || chan[adpcmChan].keyOff) {
|
|
immWrite(7,0x01); // reset
|
|
if (chan[adpcmChan].active && chan[adpcmChan].keyOn && !chan[adpcmChan].keyOff) {
|
|
if (chan[adpcmChan].sample>=0 && chan[adpcmChan].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[adpcmChan].sample);
|
|
immWrite(7,(s->isLoopable())?0xb0:0xa0); // start/repeat
|
|
}
|
|
}
|
|
chan[adpcmChan].keyOn=false;
|
|
chan[adpcmChan].keyOff=false;
|
|
}
|
|
chan[adpcmChan].freqChanged=false;
|
|
}
|
|
}
|
|
|
|
for (int i=0; i<768; i++) {
|
|
if (pendingWrites[i]!=oldWrites[i]) {
|
|
if ((i>=0x80 && i<0xa0)) {
|
|
if (weWillWriteRRLater[i-0x80]) continue;
|
|
} else if ((i>=0x180 && i<0x1a0)) {
|
|
if (weWillWriteRRLater[32|(i-0x180)]) continue;
|
|
}
|
|
immWrite(i,pendingWrites[i]&0xff);
|
|
oldWrites[i]=pendingWrites[i];
|
|
}
|
|
}
|
|
|
|
bool updateDrums=false;
|
|
for (int i=0; i<totalChans; i++) {
|
|
if (PCM_CHECK(i)) { // OPL4 PCM
|
|
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
|
|
DivSample* s=parent->getSample(chan[i].sample);
|
|
unsigned char ctrl=0;
|
|
double off=(s->centerRate>=1)?((double)s->centerRate/parent->getCenterRate()):1.0;
|
|
chan[i].freq=(int)(off*parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,2,chan[i].pitch2,chipClock,(524288*768)));
|
|
if (chan[i].freq<0x400) chan[i].freq=0x400;
|
|
chan[i].freqH=0;
|
|
if (chan[i].freq>0x3ffffff) {
|
|
chan[i].freq=0x3ffffff;
|
|
chan[i].freqH=15;
|
|
} else if (chan[i].freq>=0x800) {
|
|
chan[i].freqH=bsr32(chan[i].freq)-11;
|
|
}
|
|
chan[i].freqL=(chan[i].freq>>chan[i].freqH)&0x3ff;
|
|
chan[i].freqH=8^chan[i].freqH;
|
|
ctrl|=(chan[i].active?0x80:0)|(chan[i].damp?0x40:0)|(chan[i].lfoReset?0x20:0)|(chan[i].ch?0x10:0)|(isMuted[i]?8:(chan[i].pan&0xf));
|
|
int waveNum=chan[i].sample;
|
|
if (waveNum>=0) {
|
|
if (PCM_IN_RAM) {
|
|
waveNum=CLAMP(waveNum,0,0x7f)|0x180;
|
|
}
|
|
if (chan[i].keyOn) {
|
|
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl&~0x80); // force keyoff first
|
|
immWrite(PCM_ADDR_WAVE_H_FN_L+PCM_REG(i),((chan[i].freqL&0x7f)<<1)|((waveNum>>8)&1));
|
|
immWrite(PCM_ADDR_WAVE_L+PCM_REG(i),waveNum&0xff);
|
|
immWrite(PCM_ADDR_LFO_VIB+PCM_REG(i),(chan[i].lfo<<3)|(chan[i].vib));
|
|
immWrite(PCM_ADDR_AR_D1R+PCM_REG(i),(chan[i].ar<<4)|(chan[i].d1r));
|
|
immWrite(PCM_ADDR_DL_D2R+PCM_REG(i),(chan[i].dl<<4)|(chan[i].d2r));
|
|
immWrite(PCM_ADDR_RC_RR+PCM_REG(i),(chan[i].rc<<4)|(chan[i].rr));
|
|
immWrite(PCM_ADDR_AM+PCM_REG(i),chan[i].am);
|
|
if (!chan[i].std.vol.had) {
|
|
chan[i].outVol=chan[i].vol;
|
|
immWrite(PCM_ADDR_TL+(PCM_REG(i)),((0x7f-chan[i].outVol)<<1)|(chan[i].levelDirect?1:0));
|
|
}
|
|
chan[i].writeCtrl=true;
|
|
chan[i].keyOn=false;
|
|
}
|
|
if (chan[i].keyOff) {
|
|
chan[i].writeCtrl=true;
|
|
chan[i].keyOff=false;
|
|
}
|
|
if (chan[i].freqChanged) {
|
|
immWrite(PCM_ADDR_WAVE_H_FN_L+PCM_REG(i),((chan[i].freqL&0x7f)<<1)|((waveNum>>8)&1));
|
|
immWrite(PCM_ADDR_FN_H_PR_OCT+PCM_REG(i),((chan[i].freqH&0xf)<<4)|(chan[i].pseudoReverb?0x08:0x00)|((chan[i].freqL>>7)&0x7));
|
|
chan[i].freqChanged=false;
|
|
}
|
|
if (chan[i].writeCtrl) {
|
|
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl);
|
|
chan[i].writeCtrl=false;
|
|
}
|
|
} else {
|
|
// cut if we don't have a sample
|
|
immWrite(PCM_ADDR_KEY_DAMP_LFORST_CH_PAN+PCM_REG(i),ctrl&~0x80);
|
|
}
|
|
}
|
|
} else {
|
|
if (chan[i].freqChanged) {
|
|
int mul=2;
|
|
int fixedBlock=chan[i].state.block;
|
|
if (parent->song.linearPitch!=2) {
|
|
mul=octave(chan[i].baseFreq,fixedBlock)*2;
|
|
}
|
|
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,mul,chan[i].pitch2,chipClock,CHIP_FREQBASE);
|
|
if (chan[i].fixedFreq>0) chan[i].freq=chan[i].fixedFreq;
|
|
if (chan[i].freq<0) chan[i].freq=0;
|
|
if (chan[i].freq>131071) chan[i].freq=131071;
|
|
int freqt=toFreq(chan[i].freq,fixedBlock);
|
|
chan[i].freqH=freqt>>8;
|
|
chan[i].freqL=freqt&0xff;
|
|
immWrite(chanMap[i]+ADDR_FREQ,chan[i].freqL);
|
|
}
|
|
if (i<melodicChans) {
|
|
if (chan[i].keyOn && !chan[i].hardReset) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(0x20));
|
|
chan[i].keyOn=false;
|
|
} else if (chan[i].freqChanged) {
|
|
if (chan[i].keyOn && chan[i].hardReset) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|0);
|
|
} else {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
|
|
}
|
|
}
|
|
} else {
|
|
if (chan[i].keyOn) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH);
|
|
if (!isMuted[i]) drumState|=(1<<(melodicChans+4-i));
|
|
updateDrums=true;
|
|
chan[i].keyOn=false;
|
|
} else if (chan[i].freqChanged) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH);
|
|
}
|
|
}
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
|
|
if (updateDrums) {
|
|
immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
|
|
}
|
|
|
|
// hard reset handling
|
|
if (mustHardReset) {
|
|
immWrite(0xfffffffe,128-hardResetElapsed);
|
|
for (int i=0x80; i<0xa0; i++) {
|
|
if (weWillWriteRRLater[i-0x80]) {
|
|
immWrite(i,pendingWrites[i]&0xff);
|
|
oldWrites[i]=pendingWrites[i];
|
|
}
|
|
}
|
|
for (int i=0x180; i<0x1a0; i++) {
|
|
if (weWillWriteRRLater[32|(i-0x180)]) {
|
|
immWrite(i,pendingWrites[i]&0xff);
|
|
oldWrites[i]=pendingWrites[i];
|
|
}
|
|
}
|
|
for (int i=0; i<melodicChans; i++) {
|
|
if (chan[i].hardReset) {
|
|
if (chan[i].keyOn) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(0x20));
|
|
chan[i].keyOn=false;
|
|
} else if (chan[i].freqChanged) {
|
|
immWrite(chanMap[i]+ADDR_FREQH,chan[i].freqH|(chan[i].active<<5));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#define OPLL_C_NUM 686
|
|
|
|
int DivPlatformOPL::octave(int freq, int fixedBlock) {
|
|
if (fixedBlock>0) {
|
|
return 1<<(fixedBlock-1);
|
|
}
|
|
freq/=OPLL_C_NUM;
|
|
if (freq==0) return 1;
|
|
return 1<<bsr(freq);
|
|
}
|
|
|
|
int DivPlatformOPL::toFreq(int freq, int fixedBlock) {
|
|
int block=0;
|
|
if (fixedBlock>0) {
|
|
block=fixedBlock-1;
|
|
} else {
|
|
block=freq/OPLL_C_NUM;
|
|
if (block>0) block=bsr(block);
|
|
}
|
|
if (block>7) block=7;
|
|
freq>>=block;
|
|
if (freq>0x3ff) freq=0x3ff;
|
|
return (block<<10)|freq;
|
|
}
|
|
|
|
void DivPlatformOPL::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
if (PCM_CHECK(ch)) {
|
|
chan[ch].freqChanged=true;
|
|
chan[ch].writeCtrl=true;
|
|
return;
|
|
}
|
|
if (ch==adpcmChan) {
|
|
immWrite(18,(isMuted[adpcmChan]?0:chan[adpcmChan].outVol));
|
|
return;
|
|
}
|
|
if (oplType<3 && ch<melodicChans) {
|
|
fm.channel[outChanMap[ch]].muted=mute;
|
|
}
|
|
int ops=(slots[3][ch]!=255 && chan[ch].state.ops==4 && oplType==3)?4:2;
|
|
if (ch&1 && ch<12) {
|
|
if (chan[ch-1].fourOp) return;
|
|
}
|
|
chan[ch].fourOp=(ops==4);
|
|
update4OpMask=true;
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][ch];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[ch].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
|
|
if (isMuted[ch]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(ch,i) || ch>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[ch].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (properDrums && ch>melodicChans) {
|
|
return;
|
|
}
|
|
|
|
if (isMuted[ch] && ch<=melodicChans) {
|
|
rWrite(chanMap[ch]+ADDR_LR_FB_ALG,(chan[ch].state.alg&1)|(chan[ch].state.fb<<1));
|
|
if (ops==4) {
|
|
rWrite(chanMap[ch+1]+ADDR_LR_FB_ALG,((chan[ch].state.alg>>1)&1)|(chan[ch].state.fb<<1));
|
|
}
|
|
} else {
|
|
rWrite(chanMap[ch]+ADDR_LR_FB_ALG,(chan[ch].state.alg&1)|(chan[ch].state.fb<<1)|((chan[ch].pan&15)<<4));
|
|
if (ops==4) {
|
|
rWrite(chanMap[ch+1]+ADDR_LR_FB_ALG,((chan[ch].state.alg>>1)&1)|(chan[ch].state.fb<<1)|((chan[ch].pan&15)<<4));
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::commitState(int ch, DivInstrument* ins) {
|
|
if (PCM_CHECK(ch)) {
|
|
return;
|
|
}
|
|
if (chan[ch].insChanged) {
|
|
if (ch>melodicChans && ins->type==DIV_INS_OPL_DRUMS) {
|
|
for (int i=0; i<4; i++) {
|
|
chan[melodicChans+i+1].state.alg=ins->fm.alg;
|
|
chan[melodicChans+i+1].state.fb=ins->fm.fb;
|
|
chan[melodicChans+i+1].state.opllPreset=ins->fm.opllPreset;
|
|
chan[melodicChans+i+1].state.fixedDrums=ins->fm.fixedDrums;
|
|
chan[melodicChans+i+1].state.kickFreq=ins->fm.kickFreq;
|
|
chan[melodicChans+i+1].state.snareHatFreq=ins->fm.snareHatFreq;
|
|
chan[melodicChans+i+1].state.tomTopFreq=ins->fm.tomTopFreq;
|
|
chan[melodicChans+i+1].state.op[0]=ins->fm.op[i];
|
|
}
|
|
} else {
|
|
chan[ch].state=ins->fm;
|
|
}
|
|
}
|
|
|
|
if (chan[ch].insChanged) {
|
|
if (ch>melodicChans && ins->type==DIV_INS_OPL_DRUMS) {
|
|
for (int i=0; i<4; i++) {
|
|
int ch=melodicChans+1+i;
|
|
unsigned char slot=slots[0][ch];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[ch].state.op[0];
|
|
chan[ch].fourOp=false;
|
|
|
|
if (isMuted[ch]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[ch].outVol&0x3f,63))|(op.ksl<<6));
|
|
}
|
|
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
if (oplType>1) {
|
|
rWrite(baseAddr+ADDR_WS,op.ws&((oplType==3)?7:3));
|
|
}
|
|
|
|
oldWrites[chanMap[ch]+ADDR_LR_FB_ALG]=-1;
|
|
rWrite(chanMap[ch]+ADDR_LR_FB_ALG,(chan[ch].state.alg&1)|(chan[ch].state.fb<<1)|((chan[ch].pan&15)<<4));
|
|
}
|
|
} else {
|
|
int ops=(slots[3][ch]!=255 && chan[ch].state.ops==4 && oplType==3)?4:2;
|
|
chan[ch].fourOp=(ops==4);
|
|
if (chan[ch].fourOp) {
|
|
/*
|
|
if (chan[ch+1].active) {
|
|
chan[ch+1].keyOff=true;
|
|
chan[ch+1].keyOn=false;
|
|
chan[ch+1].active=false;
|
|
}*/
|
|
chan[ch+1].insChanged=true;
|
|
chan[ch+1].macroInit(NULL);
|
|
}
|
|
update4OpMask=true;
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][ch];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[ch].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
|
|
if (isMuted[ch]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(ch,i) || ch>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[ch].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
if (oplType>1) {
|
|
rWrite(baseAddr+ADDR_WS,op.ws&((oplType==3)?7:3));
|
|
}
|
|
}
|
|
|
|
if (isMuted[ch] && ch<=melodicChans) {
|
|
oldWrites[chanMap[ch]+ADDR_LR_FB_ALG]=-1;
|
|
rWrite(chanMap[ch]+ADDR_LR_FB_ALG,(chan[ch].state.alg&1)|(chan[ch].state.fb<<1));
|
|
if (ops==4) {
|
|
oldWrites[chanMap[ch+1]+ADDR_LR_FB_ALG]=-1;
|
|
rWrite(chanMap[ch+1]+ADDR_LR_FB_ALG,((chan[ch].state.alg>>1)&1)|(chan[ch].state.fb<<1));
|
|
}
|
|
} else {
|
|
oldWrites[chanMap[ch]+ADDR_LR_FB_ALG]=-1;
|
|
rWrite(chanMap[ch]+ADDR_LR_FB_ALG,(chan[ch].state.alg&1)|(chan[ch].state.fb<<1)|((chan[ch].pan&15)<<4));
|
|
if (ops==4) {
|
|
oldWrites[chanMap[ch+1]+ADDR_LR_FB_ALG]=-1;
|
|
rWrite(chanMap[ch+1]+ADDR_LR_FB_ALG,((chan[ch].state.alg>>1)&1)|(chan[ch].state.fb<<1)|((chan[ch].pan&15)<<4));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformOPL::dispatch(DivCommand c) {
|
|
if (c.chan>=totalChans && c.chan!=adpcmChan) return 0;
|
|
// ineffective in 4-op mode
|
|
if (oplType==3 && c.chan!=adpcmChan && c.chan<14 && (c.chan&1) && c.cmd!=DIV_CMD_GET_VOLMAX && c.cmd!=DIV_CMD_INSTRUMENT) {
|
|
if (chan[c.chan-1].fourOp) return 0;
|
|
}
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
if (PCM_CHECK(c.chan)) { // OPL4 PCM
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_MULTIPCM);
|
|
chan[c.chan].macroVolMul=ins->type==DIV_INS_AMIGA?64:127;
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].sample=ins->amiga.getSample(c.value);
|
|
chan[c.chan].sampleNote=c.value;
|
|
c.value=ins->amiga.getFreq(c.value);
|
|
chan[c.chan].sampleNoteDelta=c.value-chan[c.chan].sampleNote;
|
|
}
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=NOTE_PCM(c.value);
|
|
}
|
|
if (chan[c.chan].sample<0 || chan[c.chan].sample>=parent->song.sampleLen) {
|
|
chan[c.chan].sample=-1;
|
|
}
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
if (chan[c.chan].insChanged) {
|
|
if (ins->type==DIV_INS_MULTIPCM) {
|
|
chan[c.chan].lfo=ins->multipcm.lfo;
|
|
chan[c.chan].vib=ins->multipcm.vib;
|
|
chan[c.chan].am=ins->multipcm.am;
|
|
chan[c.chan].ar=ins->multipcm.ar;
|
|
chan[c.chan].d1r=ins->multipcm.d1r;
|
|
chan[c.chan].dl=ins->multipcm.dl;
|
|
chan[c.chan].d2r=ins->multipcm.d2r;
|
|
chan[c.chan].rc=ins->multipcm.rc;
|
|
chan[c.chan].rr=ins->multipcm.rr;
|
|
chan[c.chan].damp=ins->multipcm.damp;
|
|
chan[c.chan].pseudoReverb=ins->multipcm.pseudoReverb;
|
|
chan[c.chan].levelDirect=ins->multipcm.levelDirect;
|
|
chan[c.chan].lfoReset=ins->multipcm.lfoReset;
|
|
} else {
|
|
chan[c.chan].lfo=0;
|
|
chan[c.chan].vib=0;
|
|
chan[c.chan].am=0;
|
|
chan[c.chan].ar=15;
|
|
chan[c.chan].d1r=15;
|
|
chan[c.chan].dl=0;
|
|
chan[c.chan].d2r=0;
|
|
chan[c.chan].rc=15;
|
|
chan[c.chan].rr=15;
|
|
chan[c.chan].damp=false;
|
|
chan[c.chan].pseudoReverb=false;
|
|
chan[c.chan].levelDirect=true;
|
|
chan[c.chan].lfoReset=false;
|
|
}
|
|
chan[c.chan].insChanged=false;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
chan[c.chan].macroInit(ins);
|
|
if (!chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
break;
|
|
} else if (c.chan==adpcmChan) { // ADPCM
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
|
|
chan[c.chan].macroVolMul=ins->type==DIV_INS_AMIGA?64:255;
|
|
if (ins->type==DIV_INS_AMIGA || ins->type==DIV_INS_ADPCMB) {
|
|
chan[c.chan].furnacePCM=true;
|
|
} else {
|
|
chan[c.chan].furnacePCM=false;
|
|
}
|
|
if (skipRegisterWrites) break;
|
|
if (chan[c.chan].furnacePCM) {
|
|
chan[c.chan].macroInit(ins);
|
|
chan[c.chan].fixedFreq=0;
|
|
if (!chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
immWrite(18,(isMuted[adpcmChan]?0:chan[adpcmChan].outVol));
|
|
}
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].sample=ins->amiga.getSample(c.value);
|
|
c.value=ins->amiga.getFreq(c.value);
|
|
}
|
|
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(chan[c.chan].sample);
|
|
immWrite(8,0);
|
|
immWrite(9,(sampleOffB[chan[c.chan].sample]>>2)&0xff);
|
|
immWrite(10,(sampleOffB[chan[c.chan].sample]>>10)&0xff);
|
|
int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1;
|
|
immWrite(11,(end>>2)&0xff);
|
|
immWrite(12,(end>>10)&0xff);
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].note=c.value;
|
|
chan[c.chan].baseFreq=NOTE_ADPCMB(chan[c.chan].note);
|
|
chan[c.chan].freqChanged=true;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
} else {
|
|
immWrite(7,0x01); // reset
|
|
immWrite(9,0);
|
|
immWrite(10,0);
|
|
immWrite(11,0);
|
|
immWrite(12,0);
|
|
break;
|
|
}
|
|
} else {
|
|
chan[c.chan].sample=-1;
|
|
chan[c.chan].macroInit(NULL);
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
if ((12*sampleBank+c.value%12)>=parent->song.sampleLen) {
|
|
break;
|
|
}
|
|
chan[c.chan].sample=12*sampleBank+c.value%12;
|
|
if (chan[c.chan].sample>=0 && chan[c.chan].sample<parent->song.sampleLen) {
|
|
DivSample* s=parent->getSample(12*sampleBank+c.value%12);
|
|
immWrite(8,0);
|
|
immWrite(9,(sampleOffB[chan[c.chan].sample]>>2)&0xff);
|
|
immWrite(10,(sampleOffB[chan[c.chan].sample]>>10)&0xff);
|
|
int end=sampleOffB[chan[c.chan].sample]+s->lengthB-1;
|
|
immWrite(11,(end>>2)&0xff);
|
|
immWrite(12,(end>>10)&0xff);
|
|
int freq=(65536.0*(double)s->rate)/(double)chipRateBase;
|
|
chan[c.chan].fixedFreq=freq;
|
|
immWrite(16,freq&0xff);
|
|
immWrite(17,(freq>>8)&0xff);
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
} else {
|
|
immWrite(7,0x01); // reset
|
|
immWrite(9,0);
|
|
immWrite(10,0);
|
|
immWrite(11,0);
|
|
immWrite(12,0);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,c.chan>melodicChans?DIV_INS_OPL_DRUMS:DIV_INS_OPL);
|
|
|
|
chan[c.chan].macroInit(ins);
|
|
if (!chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
|
|
commitState(c.chan,ins);
|
|
chan[c.chan].insChanged=false;
|
|
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
if (c.chan>melodicChans && ins->type==DIV_INS_OPL_DRUMS && chan[c.chan].state.fixedDrums) {
|
|
chan[melodicChans+1].fixedFreq=(chan[melodicChans+1].state.snareHatFreq&1023)<<(chan[melodicChans+1].state.snareHatFreq>>10);
|
|
chan[melodicChans+2].fixedFreq=(chan[melodicChans+2].state.tomTopFreq&1023)<<(chan[melodicChans+2].state.tomTopFreq>>10);
|
|
chan[melodicChans+3].fixedFreq=chan[melodicChans+2].fixedFreq;
|
|
chan[melodicChans+4].fixedFreq=chan[melodicChans+1].fixedFreq;
|
|
|
|
chan[melodicChans+1].freqChanged=true;
|
|
chan[melodicChans+2].freqChanged=true;
|
|
chan[melodicChans+3].freqChanged=true;
|
|
chan[melodicChans+4].freqChanged=true;
|
|
} else {
|
|
if (c.chan>=melodicChans && (chan[c.chan].state.opllPreset==16 || ins->type==DIV_INS_OPL_DRUMS) && chan[c.chan].state.fixedDrums) { // drums
|
|
if (c.chan==melodicChans) {
|
|
chan[c.chan].fixedFreq=(chan[c.chan].state.kickFreq&1023)<<(chan[c.chan].state.kickFreq>>10);
|
|
} else if (c.chan==melodicChans+1 || c.chan==melodicChans+4) {
|
|
chan[c.chan].fixedFreq=(chan[c.chan].state.snareHatFreq&1023)<<(chan[c.chan].state.snareHatFreq>>10);
|
|
} else if (c.chan==melodicChans+2 || c.chan==melodicChans+3) {
|
|
chan[c.chan].fixedFreq=(chan[c.chan].state.tomTopFreq&1023)<<(chan[c.chan].state.tomTopFreq>>10);
|
|
} else {
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
|
|
chan[c.chan].fixedFreq=0;
|
|
}
|
|
} else {
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
|
|
chan[c.chan].fixedFreq=0;
|
|
}
|
|
}
|
|
chan[c.chan].note=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
}
|
|
chan[c.chan].keyOn=true;
|
|
chan[c.chan].active=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].keyOn=false;
|
|
chan[c.chan].active=false;
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].sample=-1;
|
|
chan[c.chan].macroInit(NULL);
|
|
}
|
|
break;
|
|
case DIV_CMD_NOTE_OFF_ENV:
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].keyOn=false;
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].std.release();
|
|
break;
|
|
case DIV_CMD_ENV_RELEASE:
|
|
chan[c.chan].std.release();
|
|
break;
|
|
case DIV_CMD_VOLUME: {
|
|
if (pretendYMU && c.chan!=adpcmChan) {
|
|
c.value=pow(((double)c.value/127.0),0.5)*63.0;
|
|
if (c.value<0) c.value=0;
|
|
if (c.value>63) c.value=63;
|
|
}
|
|
chan[c.chan].vol=c.value;
|
|
if (!chan[c.chan].std.vol.has) {
|
|
chan[c.chan].outVol=c.value;
|
|
}
|
|
if (PCM_CHECK(c.chan)) { // OPL4 PCM
|
|
immWrite(PCM_ADDR_TL+PCM_REG(c.chan),((0x7f-chan[c.chan].outVol)<<1)|(chan[c.chan].levelDirect?1:0));
|
|
break;
|
|
}
|
|
if (c.chan==adpcmChan) { // ADPCM-B
|
|
immWrite(18,(isMuted[adpcmChan]?0:chan[adpcmChan].outVol));
|
|
break;
|
|
}
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
|
|
if (isMuted[c.chan]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(c.chan,i) || c.chan>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_GET_VOLUME: {
|
|
if (pretendYMU && c.chan!=adpcmChan) {
|
|
return pow(((double)chan[c.chan].vol/63.0),2.0)*127.0;
|
|
}
|
|
return chan[c.chan].vol;
|
|
break;
|
|
}
|
|
case DIV_CMD_INSTRUMENT:
|
|
if (chan[c.chan].ins!=c.value || c.value2==1) {
|
|
chan[c.chan].insChanged=true;
|
|
}
|
|
chan[c.chan].ins=c.value;
|
|
break;
|
|
case DIV_CMD_PANNING: {
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].ch=false;
|
|
chan[c.chan].pan=8^MIN(parent->convertPanSplitToLinearLR(c.value,c.value2,15)+1,15);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].writeCtrl=true;
|
|
break;
|
|
}
|
|
if (oplType!=3) break;
|
|
if (c.chan==adpcmChan) break;
|
|
chan[c.chan].pan&=~3;
|
|
if (c.value==0 && c.value2==0 && ((chipType!=4) && compatPan)) {
|
|
chan[c.chan].pan|=3;
|
|
} else {
|
|
chan[c.chan].pan|=(c.value>0)|((c.value2>0)<<1);
|
|
}
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (isMuted[c.chan] && c.chan<=melodicChans) {
|
|
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1));
|
|
if (ops==4) {
|
|
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1));
|
|
}
|
|
} else {
|
|
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&15)<<4));
|
|
if (ops==4) {
|
|
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&15)<<4));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_SURROUND_PANNING: {
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].ch=true;
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].writeCtrl=true;
|
|
break;
|
|
}
|
|
if (oplType!=3) break;
|
|
if (c.chan==adpcmChan) break;
|
|
|
|
if (c.value==2) {
|
|
chan[c.chan].pan&=3;
|
|
if (c.value2>0) chan[c.chan].pan|=4;
|
|
} else if (c.value==3) {
|
|
if (c.value2>0) chan[c.chan].pan|=8;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (isMuted[c.chan] && c.chan<=melodicChans) {
|
|
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1));
|
|
if (ops==4) {
|
|
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1));
|
|
}
|
|
} else {
|
|
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&15)<<4));
|
|
if (ops==4) {
|
|
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&15)<<4));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_PITCH: {
|
|
if (c.chan==adpcmChan) {
|
|
if (!chan[c.chan].furnacePCM) break;
|
|
}
|
|
chan[c.chan].pitch=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
if (PCM_CHECK(c.chan)) {
|
|
int destFreq=NOTE_PCM(c.value2+chan[c.chan].sampleNoteDelta);
|
|
bool return2=false;
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
chan[c.chan].baseFreq+=c.value;
|
|
if (chan[c.chan].baseFreq>=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
chan[c.chan].baseFreq-=c.value;
|
|
if (chan[c.chan].baseFreq<=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
int destFreq=(c.chan==adpcmChan)?(NOTE_ADPCMB(c.value2)):(NOTE_FREQUENCY(c.value2));
|
|
int newFreq;
|
|
bool return2=false;
|
|
int mul=1;
|
|
int fixedBlock=0;
|
|
if (parent->song.linearPitch!=2) {
|
|
fixedBlock=chan[c.chan].state.block;
|
|
mul=octave(chan[c.chan].baseFreq,fixedBlock);
|
|
}
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
newFreq=chan[c.chan].baseFreq+c.value*mul;
|
|
if (newFreq>=destFreq) {
|
|
newFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
newFreq=chan[c.chan].baseFreq-c.value*mul;
|
|
if (newFreq<=destFreq) {
|
|
newFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
if (!chan[c.chan].portaPause && parent->song.linearPitch!=2) {
|
|
if (mul!=octave(newFreq,fixedBlock)) {
|
|
chan[c.chan].portaPause=true;
|
|
break;
|
|
}
|
|
}
|
|
chan[c.chan].baseFreq=newFreq;
|
|
chan[c.chan].portaPause=false;
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_SAMPLE_BANK:
|
|
if (adpcmChan<0) break;
|
|
sampleBank=c.value;
|
|
if (sampleBank>(int)(parent->song.sample.size()/12)) {
|
|
sampleBank=parent->song.sample.size()/12;
|
|
}
|
|
iface.sampleBank=sampleBank;
|
|
break;
|
|
case DIV_CMD_LEGATO: {
|
|
// TODO: OPL4 PCM
|
|
if (chan[c.chan].insChanged) {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FM);
|
|
commitState(c.chan,ins);
|
|
chan[c.chan].insChanged=false;
|
|
}
|
|
chan[c.chan].baseFreq=(PCM_CHECK(c.chan))?NOTE_PCM(c.value+chan[c.chan].sampleNoteDelta+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val-12):(0))):
|
|
(c.chan==adpcmChan)?(NOTE_ADPCMB(c.value)):(NOTE_FREQUENCY(c.value));
|
|
chan[c.chan].note=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_LFO: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
if (c.value&2) {
|
|
dvb=c.value&1;
|
|
} else {
|
|
dam=c.value&1;
|
|
}
|
|
immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_FB: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
chan[c.chan].state.fb=c.value&7;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (isMuted[c.chan] && c.chan<=melodicChans) {
|
|
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1));
|
|
if (ops==4) {
|
|
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1));
|
|
}
|
|
} else {
|
|
rWrite(chanMap[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&15)<<4));
|
|
if (ops==4) {
|
|
rWrite(chanMap[c.chan+1]+ADDR_LR_FB_ALG,((chan[c.chan].state.alg>>1)&1)|(chan[c.chan].state.fb<<1)|((chan[c.chan].pan&15)<<4));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_MULT: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.mult=c.value2&15;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_TL: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.tl=c.value2&63;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
if (isMuted[c.chan]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(c.chan,c.value) || c.chan>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_AR: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.ar=c.value2&15;
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.ar=c.value2&15;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_DR: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.dr=c.value2&15;
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.dr=c.value2&15;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_SL: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.sl=c.value2&15;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.sl=c.value2&15;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_RR: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.rr=c.value2&15;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.rr=c.value2&15;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_AM: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.am=c.value2&1;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.am=c.value2&1;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_VIB: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.vib=c.value2&1;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.vib=c.value2&1;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_SUS: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.sus=c.value2&1;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.sus=c.value2&1;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_KSR: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.ksr=c.value2&1;
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.ksr=c.value2&1;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_WS: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
if (oplType<2) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.ws=c.value2&7;
|
|
rWrite(baseAddr+ADDR_WS,op.ws&((oplType==3)?7:3));
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.ws=c.value2&7;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
rWrite(baseAddr+ADDR_WS,op.ws&((oplType==3)?7:3));
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_RS: {
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
if (oplType<2) break;
|
|
int ops=(slots[3][c.chan]!=255 && chan[c.chan].state.ops==4 && oplType==3)?4:2;
|
|
if (c.value<0) {
|
|
for (int i=0; i<ops; i++) {
|
|
unsigned char slot=slots[i][c.chan];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[i]:i];
|
|
op.ksl=c.value2&3;
|
|
if (isMuted[c.chan]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(c.chan,i) || c.chan>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if (c.value>=ops) break;
|
|
DivInstrumentFM::Operator& op=chan[c.chan].state.op[(ops==4)?orderedOpsL[c.value]:c.value];
|
|
op.ksl=c.value2&3;
|
|
unsigned char slot=slots[c.value][c.chan];
|
|
if (slot==255) break;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
if (isMuted[c.chan]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(c.chan,c.value) || c.chan>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_EXTCH: {
|
|
if (!properDrumsSys) break;
|
|
properDrums=c.value;
|
|
immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
|
|
slots=properDrums?slotsDrums:slotsNonDrums;
|
|
if (oplType==3) {
|
|
chanMap=properDrums?chanMapOPL3Drums:chanMapOPL3;
|
|
melodicChans=properDrums?15:18;
|
|
totalChans=properDrums?20:18;
|
|
if (chipType==4) {
|
|
pcmChanOffs=totalChans;
|
|
totalChans+=24;
|
|
}
|
|
} else {
|
|
chanMap=properDrums?chanMapOPL2Drums:chanMapOPL2;
|
|
melodicChans=properDrums?6:9;
|
|
totalChans=properDrums?11:9;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_FM_HARD_RESET:
|
|
if (PCM_CHECK(c.chan)) break;
|
|
if (c.chan==adpcmChan) break;
|
|
chan[c.chan].hardReset=c.value;
|
|
break;
|
|
case DIV_CMD_MULTIPCM_MIX_FM:
|
|
if (chipType==4) {
|
|
fmMixL=CLAMP((c.value&0x70)>>4,0,7);
|
|
fmMixR=CLAMP((c.value&0x7),0,7);
|
|
immWrite(PCM_ADDR_MIX_FM,((7-fmMixR)<<3)|(7-fmMixL));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_MIX_PCM:
|
|
if (chipType==4) {
|
|
pcmMixL=CLAMP((c.value&0x70)>>4,0,7);
|
|
pcmMixR=CLAMP((c.value&0x7),0,7);
|
|
immWrite(PCM_ADDR_MIX_PCM,((7-pcmMixR)<<3)|(7-pcmMixL));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_LFO:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].lfo=c.value&7;
|
|
rWrite(PCM_ADDR_LFO_VIB+PCM_REG(c.chan),(chan[c.chan].lfo<<3)|(chan[c.chan].vib));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_VIB:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].vib=c.value&7;
|
|
rWrite(PCM_ADDR_LFO_VIB+PCM_REG(c.chan),(chan[c.chan].lfo<<3)|(chan[c.chan].vib));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_AM:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].am=c.value&7;
|
|
rWrite(PCM_ADDR_AM+PCM_REG(c.chan),chan[c.chan].am);
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_AR:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].ar=c.value&0xf;
|
|
rWrite(PCM_ADDR_AR_D1R+PCM_REG(c.chan),(chan[c.chan].ar<<4)|(chan[c.chan].d1r));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_D1R:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].d1r=c.value&0xf;
|
|
rWrite(PCM_ADDR_AR_D1R+PCM_REG(c.chan),(chan[c.chan].ar<<4)|(chan[c.chan].d1r));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_DL:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].dl=c.value&0xf;
|
|
rWrite(PCM_ADDR_DL_D2R+PCM_REG(c.chan),(chan[c.chan].dl<<4)|(chan[c.chan].d2r));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_D2R:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].d2r=c.value&0xf;
|
|
rWrite(PCM_ADDR_DL_D2R+PCM_REG(c.chan),(chan[c.chan].dl<<4)|(chan[c.chan].d2r));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_RC:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].rc=c.value&0xf;
|
|
rWrite(PCM_ADDR_RC_RR+PCM_REG(c.chan),(chan[c.chan].rc<<4)|(chan[c.chan].rr));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_RR:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].rr=c.value&0xf;
|
|
rWrite(PCM_ADDR_RC_RR+PCM_REG(c.chan),(chan[c.chan].rc<<4)|(chan[c.chan].rr));
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_DAMP:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].damp=c.value&1;
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].writeCtrl=true;
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_PSEUDO_REVERB:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].pseudoReverb=c.value&1;
|
|
chan[c.chan].freqChanged=true;
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_LFO_RESET:
|
|
if (PCM_CHECK(c.chan)) {
|
|
chan[c.chan].lfoReset=c.value&1;
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].writeCtrl=true;
|
|
}
|
|
break;
|
|
case DIV_CMD_MULTIPCM_LEVEL_DIRECT:
|
|
if (PCM_CHECK(c.chan)) {
|
|
immWrite(PCM_ADDR_TL+PCM_REG(c.chan),((0x7f-chan[c.chan].outVol)<<1)|(chan[c.chan].levelDirect?1:0));
|
|
}
|
|
break;
|
|
case DIV_CMD_MACRO_OFF:
|
|
chan[c.chan].std.mask(c.value,true);
|
|
break;
|
|
case DIV_CMD_MACRO_ON:
|
|
chan[c.chan].std.mask(c.value,false);
|
|
break;
|
|
case DIV_CMD_MACRO_RESTART:
|
|
chan[c.chan].std.restart(c.value);
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
if (PCM_CHECK(c.chan)) return 127;
|
|
if (c.chan==adpcmChan) return 255;
|
|
if (pretendYMU) return 127;
|
|
return 63;
|
|
break;
|
|
case DIV_CMD_PRE_PORTA:
|
|
if (PCM_CHECK(c.chan) && chan[c.chan].active && c.value2) {
|
|
if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_MULTIPCM));
|
|
}
|
|
if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
|
|
chan[c.chan].baseFreq=(PCM_CHECK(c.chan))?NOTE_PCM(chan[c.chan].note):
|
|
((c.chan==adpcmChan)?(NOTE_ADPCMB(chan[c.chan].note)):(NOTE_FREQUENCY(chan[c.chan].note)));
|
|
}
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_PRE_NOTE:
|
|
break;
|
|
default:
|
|
//printf("WARNING: unimplemented command %d\n",c.cmd);
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformOPL::forceIns() {
|
|
int oplChans=0;
|
|
if (oplType==3) {
|
|
chanMap=properDrums?chanMapOPL3Drums:chanMapOPL3;
|
|
melodicChans=properDrums?15:18;
|
|
totalChans=properDrums?20:18;
|
|
oplChans=totalChans;
|
|
if (chipType==4) {
|
|
pcmChanOffs=totalChans;
|
|
totalChans+=24;
|
|
}
|
|
} else {
|
|
chanMap=properDrums?chanMapOPL2Drums:chanMapOPL2;
|
|
melodicChans=properDrums?6:9;
|
|
totalChans=properDrums?11:9;
|
|
oplChans=totalChans;
|
|
}
|
|
for (int i=0; i<oplChans; i++) {
|
|
int ops=(slots[3][i]!=255 && chan[i].state.ops==4 && oplType==3)?4:2;
|
|
chan[i].insChanged=true;
|
|
chan[i].freqChanged=true;
|
|
chan[i].fourOp=(ops==4);
|
|
/*
|
|
for (int j=0; j<ops; j++) {
|
|
unsigned char slot=slots[j][i];
|
|
if (slot==255) continue;
|
|
unsigned short baseAddr=slotMap[slot];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[(ops==4)?orderedOpsL[j]:j];
|
|
|
|
if (isMuted[i]) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,63|(op.ksl<<6));
|
|
} else {
|
|
if (KVSL(i,j) || i>melodicChans) {
|
|
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[i].outVol&0x3f,63))|(op.ksl<<6));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_KSL_TL,op.tl|(op.ksl<<6));
|
|
}
|
|
}
|
|
|
|
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,(op.am<<7)|(op.vib<<6)|(op.sus<<5)|(op.ksr<<4)|op.mult);
|
|
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|op.dr);
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|op.rr);
|
|
if (oplType>1) {
|
|
rWrite(baseAddr+ADDR_WS,op.ws&((oplType==3)?7:3));
|
|
}
|
|
}
|
|
*/
|
|
|
|
if (isMuted[i] && i<=melodicChans) {
|
|
rWrite(chanMap[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&1)|(chan[i].state.fb<<1));
|
|
if (ops==4) {
|
|
rWrite(chanMap[i+1]+ADDR_LR_FB_ALG,((chan[i].state.alg>>1)&1)|(chan[i].state.fb<<1));
|
|
}
|
|
} else {
|
|
rWrite(chanMap[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&1)|(chan[i].state.fb<<1)|((chan[i].pan&15)<<4));
|
|
if (ops==4) {
|
|
rWrite(chanMap[i+1]+ADDR_LR_FB_ALG,((chan[i].state.alg>>1)&1)|(chan[i].state.fb<<1)|((chan[i].pan&15)<<4));
|
|
}
|
|
}
|
|
}
|
|
for (int i=0; i<768; i++) {
|
|
oldWrites[i]=-1;
|
|
}
|
|
immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
|
|
update4OpMask=true;
|
|
}
|
|
|
|
void DivPlatformOPL::toggleRegisterDump(bool enable) {
|
|
DivDispatch::toggleRegisterDump(enable);
|
|
}
|
|
|
|
void* DivPlatformOPL::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformOPL::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
unsigned short DivPlatformOPL::getPan(int ch) {
|
|
if (totalOutputs<=1) return 0;
|
|
if (PCM_CHECK(ch)) {
|
|
return parent->convertPanLinearToSplit(8^chan[ch].pan,8,15);
|
|
}
|
|
/*if (chan[ch&(~1)].fourOp) {
|
|
if (ch&1) {
|
|
return ((chan[ch-1].pan&2)<<7)|(chan[ch-1].pan&1);
|
|
} else {
|
|
return ((chan[ch+1].pan&2)<<7)|(chan[ch+1].pan&1);
|
|
}
|
|
}*/
|
|
return ((chan[ch].pan&1)<<8)|((chan[ch].pan&2)>>1);
|
|
}
|
|
|
|
void DivPlatformOPL::getPaired(int ch, std::vector<DivChannelPair>& ret) {
|
|
if (oplType==3 && ch<12 && !(ch&1)) {
|
|
if (chan[ch].fourOp) {
|
|
ret.push_back(DivChannelPair(_("4OP"),ch+1));
|
|
}
|
|
}
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformOPL::getOscBuffer(int ch) {
|
|
if (oplType==759 || chipType==8950) {
|
|
if (ch>=totalChans+1) return NULL;
|
|
} else {
|
|
if (ch>=totalChans) return NULL;
|
|
}
|
|
if (oplType==3 && ch<12) {
|
|
if (chan[ch&(~1)].fourOp) {
|
|
if (ch&1) {
|
|
return oscBuf[ch-1];
|
|
} else {
|
|
return oscBuf[ch+1];
|
|
}
|
|
}
|
|
}
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
int DivPlatformOPL::mapVelocity(int ch, float vel) {
|
|
if (PCM_CHECK(ch)) { // TODO: correct?
|
|
// -0.375dB per step
|
|
// -6: 64: 16
|
|
// -12: 32: 32
|
|
// -18: 16: 48
|
|
// -24: 8: 64
|
|
// -30: 4: 80
|
|
// -36: 2: 96
|
|
// -42: 1: 112
|
|
if (vel==0) return 0;
|
|
if (vel>=1.0) return 127;
|
|
return CLAMP(round(128.0-(112.0-log2(vel*127.0)*16.0)),0,127);
|
|
}
|
|
if (ch==adpcmChan) return vel*255.0;
|
|
// -0.75dB per step
|
|
// -6: 64: 8
|
|
// -12: 32: 16
|
|
// -18: 16: 24
|
|
// -24: 8: 32
|
|
// -30: 4: 40
|
|
// -36: 2: 48
|
|
// -42: 1: 56
|
|
if (vel==0) return 0;
|
|
if (vel>=1.0) return 63;
|
|
return CLAMP(round(64.0-(56.0-log2(vel*127.0)*8.0)),0,63);
|
|
}
|
|
|
|
float DivPlatformOPL::getGain(int ch, int vol) {
|
|
if (vol==0) return 0;
|
|
if (PCM_CHECK(ch)) return 1.0/pow(10.0,(float)(127-vol)*0.375/20.0);
|
|
if (ch==adpcmChan) return (float)vol/255.0;
|
|
return 1.0/pow(10.0,(float)(63-vol)*0.75/20.0);
|
|
}
|
|
|
|
unsigned char* DivPlatformOPL::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformOPL::getRegisterPoolSize() {
|
|
return (chipType==4)?768:((oplType<3)?256:512);
|
|
}
|
|
|
|
void DivPlatformOPL::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
memset(regPool,0,768);
|
|
|
|
downsamplerStep=0;
|
|
oldOpMask=0;
|
|
dacVal=0;
|
|
dacVal2=0;
|
|
dacOut=0;
|
|
dacOut3[0]=0;
|
|
dacOut3[1]=0;
|
|
dacOut3[2]=0;
|
|
dacOut3[3]=0;
|
|
lastSH=false;
|
|
lastSH2=false;
|
|
lastSY=false;
|
|
waitingBusy=true;
|
|
|
|
const unsigned int downsampledRate=(unsigned int)((double)rate*round(COLOR_NTSC/72.0)/(double)chipRateBase);
|
|
|
|
if (emuCore==2) {
|
|
if (chipType==3 || chipType==759 || chipType==4) {
|
|
// reset 3
|
|
memset(&fm_lle3,0,sizeof(fmopl3_t));
|
|
fm_lle3.input.ic=0;
|
|
for (int i=0; i<400; i++) {
|
|
fm_lle3.input.mclk=1;
|
|
FMOPL3_Clock(&fm_lle3);
|
|
fm_lle3.input.mclk=0;
|
|
FMOPL3_Clock(&fm_lle3);
|
|
}
|
|
fm_lle3.input.ic=1;
|
|
} else {
|
|
// reset 2
|
|
memset(&fm_lle2,0,sizeof(fmopl2_t));
|
|
fm_lle2.input.ic=0;
|
|
for (int i=0; i<80; i++) {
|
|
fm_lle2.input.mclk=1;
|
|
FMOPL2_Clock(&fm_lle2);
|
|
fm_lle2.input.mclk=0;
|
|
FMOPL2_Clock(&fm_lle2);
|
|
}
|
|
fm_lle2.input.ic=1;
|
|
}
|
|
} else if (emuCore==1) {
|
|
switch (chipType) {
|
|
case 1:
|
|
fm_ymfm1->reset();
|
|
break;
|
|
case 2:
|
|
fm_ymfm2->reset();
|
|
break;
|
|
case 8950:
|
|
fm_ymfm8950->reset();
|
|
break;
|
|
case 3: case 759:
|
|
fm_ymfm3->reset();
|
|
break;
|
|
case 4:
|
|
fm_ymfm4->reset();
|
|
break;
|
|
}
|
|
} else {
|
|
if (downsample) {
|
|
OPL3_Reset(&fm,downsampledRate);
|
|
} else {
|
|
OPL3_Reset(&fm,rate);
|
|
}
|
|
}
|
|
pcm.reset();
|
|
|
|
properDrums=properDrumsSys;
|
|
if (oplType==3) {
|
|
chanMap=properDrums?chanMapOPL3Drums:chanMapOPL3;
|
|
outChanMap=outChanMapOPL3;
|
|
melodicChans=properDrums?15:18;
|
|
totalChans=properDrums?20:18;
|
|
if (chipType==4) {
|
|
pcmChanOffs=totalChans;
|
|
totalChans+=24;
|
|
}
|
|
} else {
|
|
chanMap=properDrums?chanMapOPL2Drums:chanMapOPL2;
|
|
outChanMap=outChanMapOPL2;
|
|
melodicChans=properDrums?6:9;
|
|
totalChans=properDrums?11:9;
|
|
}
|
|
|
|
for (int i=0; i<totalChans; i++) {
|
|
chan[i]=DivPlatformOPL::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
chan[i].vol=(PCM_CHECK(i))?0x7f:0x3f;
|
|
chan[i].outVol=(PCM_CHECK(i))?0x7f:0x3f;
|
|
chan[i].pan=(PCM_CHECK(i))?0:3;
|
|
}
|
|
|
|
if (adpcmChan>=0) {
|
|
chan[adpcmChan]=DivPlatformOPL::Channel();
|
|
chan[adpcmChan].std.setEngine(parent);
|
|
chan[adpcmChan].vol=0xff;
|
|
chan[adpcmChan].outVol=0xff;
|
|
|
|
adpcmB->reset();
|
|
|
|
// volume
|
|
immWrite(18,(isMuted[adpcmChan]?0:0xff));
|
|
// ADPCM limit
|
|
immWrite(20,0xff);
|
|
immWrite(19,0xff);
|
|
}
|
|
|
|
if (oplType<3) for (int i=0; i<melodicChans; i++) {
|
|
fm.channel[outChanMap[i]].muted=isMuted[i];
|
|
}
|
|
|
|
for (int i=0; i<768; i++) {
|
|
oldWrites[i]=-1;
|
|
pendingWrites[i]=-1;
|
|
}
|
|
|
|
lastBusy=60;
|
|
lfoValue=8;
|
|
drumState=0;
|
|
sampleBank=0;
|
|
|
|
drumVol[0]=0;
|
|
drumVol[1]=0;
|
|
drumVol[2]=0;
|
|
drumVol[3]=0;
|
|
drumVol[4]=0;
|
|
|
|
if (oplType==2) { // enable OPL2 waveforms
|
|
immWrite(0x01,0x20);
|
|
}
|
|
|
|
if (oplType==3) { // enable OPL3 features
|
|
if (chipType==4) {
|
|
immWrite(0x105,3);
|
|
// Reset wavetable header
|
|
immWrite(0x202,PCM_IN_RAM?0x10:0x00);
|
|
// initialize mixer volume
|
|
fmMixL=7;
|
|
fmMixR=7;
|
|
pcmMixL=7;
|
|
pcmMixR=7;
|
|
immWrite(PCM_ADDR_MIX_FM,((7-fmMixR)<<3)|(7-fmMixL));
|
|
immWrite(PCM_ADDR_MIX_PCM,((7-pcmMixR)<<3)|(7-pcmMixL));
|
|
} else {
|
|
immWrite(0x105,1);
|
|
}
|
|
}
|
|
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
|
|
update4OpMask=true;
|
|
dam=false;
|
|
dvb=false;
|
|
delay=0;
|
|
|
|
immWrite(0xbd,(dam<<7)|(dvb<<6)|(properDrums<<5)|drumState);
|
|
}
|
|
|
|
int DivPlatformOPL::getOutputCount() {
|
|
return totalOutputs;
|
|
}
|
|
|
|
bool DivPlatformOPL::keyOffAffectsArp(int ch) {
|
|
return false;
|
|
}
|
|
|
|
bool DivPlatformOPL::keyOffAffectsPorta(int ch) {
|
|
return false;
|
|
}
|
|
|
|
bool DivPlatformOPL::getLegacyAlwaysSetVolume() {
|
|
return false;
|
|
}
|
|
|
|
void DivPlatformOPL::notifyInsChange(int ins) {
|
|
for (int i=0; i<totalChans; i++) {
|
|
if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<totalChans; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformOPL::poke(unsigned int addr, unsigned short val) {
|
|
immWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformOPL::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
|
|
}
|
|
|
|
int DivPlatformOPL::getPortaFloor(int ch) {
|
|
return (ch>5)?12:0;
|
|
}
|
|
|
|
void DivPlatformOPL::setCore(unsigned char which) {
|
|
emuCore=which;
|
|
}
|
|
|
|
void DivPlatformOPL::setOPLType(int type, bool drums) {
|
|
pretendYMU=false;
|
|
downsample=false;
|
|
adpcmChan=-1;
|
|
switch (type) {
|
|
case 1: case 2: case 8950:
|
|
slotsNonDrums=slotsOPL2;
|
|
slotsDrums=slotsOPL2Drums;
|
|
slots=drums?slotsDrums:slotsNonDrums;
|
|
chanMap=drums?chanMapOPL2Drums:chanMapOPL2;
|
|
outChanMap=outChanMapOPL2;
|
|
chipFreqBase=32768*72;
|
|
chans=9;
|
|
melodicChans=drums?6:9;
|
|
totalChans=drums?11:9;
|
|
if (type==8950) {
|
|
adpcmChan=drums?11:9;
|
|
}
|
|
totalOutputs=1;
|
|
break;
|
|
case 3: case 4: case 759:
|
|
slotsNonDrums=slotsOPL3;
|
|
slotsDrums=slotsOPL3Drums;
|
|
slots=drums?slotsDrums:slotsNonDrums;
|
|
chanMap=drums?chanMapOPL3Drums:chanMapOPL3;
|
|
outChanMap=outChanMapOPL3;
|
|
chipFreqBase=32768*288;
|
|
chans=18;
|
|
melodicChans=drums?15:18;
|
|
totalChans=drums?20:18;
|
|
if (type==759) {
|
|
pretendYMU=true;
|
|
adpcmChan=16;
|
|
} else if (type==4) {
|
|
pcmChanOffs=totalChans;
|
|
totalChans+=24;
|
|
chipFreqBase=32768*684;
|
|
downsample=true;
|
|
}
|
|
totalOutputs=(type==4)?6:4;
|
|
break;
|
|
}
|
|
chipType=type;
|
|
if (type==759 || type==4) {
|
|
oplType=3;
|
|
} else if (type==8950) {
|
|
oplType=1;
|
|
} else {
|
|
oplType=type;
|
|
}
|
|
properDrumsSys=drums;
|
|
}
|
|
|
|
void DivPlatformOPL::setFlags(const DivConfig& flags) {
|
|
/*
|
|
if (flags==3) {
|
|
chipClock=COLOR_NTSC*12.0/7.0;
|
|
} else if (flags==2) {
|
|
chipClock=8000000.0;
|
|
} else if (flags==1) {
|
|
chipClock=COLOR_PAL*12.0/7.0;
|
|
} else {
|
|
chipClock=COLOR_NTSC*15.0/7.0;
|
|
}
|
|
ladder=flags&0x80000000;
|
|
OPN2_SetChipType(ladder?ym3438_mode_ym2612:0);
|
|
if (useYMFM) {
|
|
if (fm_ymfm!=NULL) delete fm_ymfm;
|
|
if (ladder) {
|
|
fm_ymfm=new ymfm::ym2612(iface);
|
|
} else {
|
|
fm_ymfm=new ymfm::ym3438(iface);
|
|
}
|
|
rate=chipClock/144;
|
|
} else {
|
|
rate=chipClock/36;
|
|
}*/
|
|
|
|
compatPan=false;
|
|
|
|
switch (chipType) {
|
|
default:
|
|
case 1: case 2: case 8950:
|
|
switch (flags.getInt("clockSel",0)) {
|
|
case 0x01:
|
|
chipClock=COLOR_PAL*4.0/5.0;
|
|
break;
|
|
case 0x02:
|
|
chipClock=4000000.0;
|
|
break;
|
|
case 0x03:
|
|
chipClock=3000000.0;
|
|
break;
|
|
case 0x04:
|
|
chipClock=38400*13*8; // 31948800/8
|
|
break;
|
|
case 0x05:
|
|
chipClock=3500000.0;
|
|
break;
|
|
default:
|
|
chipClock=COLOR_NTSC;
|
|
break;
|
|
}
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock/72;
|
|
chipRateBase=rate;
|
|
break;
|
|
case 3:
|
|
switch (flags.getInt("clockSel",0)) {
|
|
case 0x01:
|
|
chipClock=COLOR_PAL*16.0/5.0;
|
|
break;
|
|
case 0x02:
|
|
chipClock=14000000.0;
|
|
break;
|
|
case 0x03:
|
|
chipClock=16000000.0;
|
|
break;
|
|
case 0x04:
|
|
chipClock=15000000.0;
|
|
break;
|
|
case 0x05:
|
|
chipClock=33868800.0;
|
|
break;
|
|
default:
|
|
chipClock=COLOR_NTSC*4.0;
|
|
break;
|
|
}
|
|
CHECK_CUSTOM_CLOCK;
|
|
switch (flags.getInt("chipType",0)) {
|
|
case 1: // YMF289B
|
|
chipFreqBase=32768*684;
|
|
if (emuCore==2) {
|
|
rate=chipClock/684;
|
|
} else {
|
|
rate=chipClock/768;
|
|
}
|
|
chipRateBase=chipClock/684;
|
|
downsample=true;
|
|
totalOutputs=2; // Stereo output only
|
|
break;
|
|
default: // YMF262
|
|
chipFreqBase=32768*288;
|
|
rate=chipClock/288;
|
|
chipRateBase=rate;
|
|
downsample=false;
|
|
totalOutputs=4;
|
|
break;
|
|
}
|
|
if (emuCore!=1 && emuCore!=2) {
|
|
if (downsample) {
|
|
const unsigned int downsampledRate=(unsigned int)((double)rate*round(COLOR_NTSC/72.0)/(double)chipRateBase);
|
|
OPL3_Resample(&fm,downsampledRate);
|
|
} else {
|
|
OPL3_Resample(&fm,rate);
|
|
}
|
|
}
|
|
break;
|
|
case 4:
|
|
switch (flags.getInt("clockSel",0)) {
|
|
case 0x01:
|
|
chipClock=COLOR_NTSC*8.0;
|
|
break;
|
|
case 0x02:
|
|
chipClock=COLOR_PAL*32.0/5.0;
|
|
break;
|
|
default:
|
|
chipClock=33868800.0;
|
|
break;
|
|
}
|
|
switch (flags.getInt("ramSize",0)) {
|
|
case 0x01: // 2MB (512KB 512KB 512KB 512KB)
|
|
ramSize=0x200000;
|
|
break;
|
|
case 0x02: // 1MB (512KB 512KB)
|
|
ramSize=0x100000;
|
|
break;
|
|
case 0x03: // 640KB (512KB 128KB)
|
|
ramSize=0xa0000;
|
|
break;
|
|
case 0x04: // 512KB
|
|
ramSize=0x80000;
|
|
break;
|
|
case 0x05: // 256KB (128KB 128KB)
|
|
ramSize=0x40000;
|
|
break;
|
|
case 0x06: // 128KB
|
|
ramSize=0x20000;
|
|
break;
|
|
default:
|
|
ramSize=0x400000;
|
|
break;
|
|
}
|
|
CHECK_CUSTOM_CLOCK;
|
|
pcm.setClockFrequency(chipClock);
|
|
rate=chipClock/768;
|
|
chipRateBase=chipClock/684;
|
|
immWrite(0x202,PCM_IN_RAM?0x10:0x00);
|
|
break;
|
|
case 759:
|
|
rate=48000;
|
|
chipRateBase=rate;
|
|
chipClock=rate*288;
|
|
break;
|
|
}
|
|
compatPan=flags.getBool("compatPan",false);
|
|
compatYPitch=flags.getBool("compatYPitch",false);
|
|
|
|
for (int i=0; i<44; i++) {
|
|
oscBuf[i]->setRate(rate);
|
|
}
|
|
}
|
|
|
|
const void* DivPlatformOPL::getSampleMem(int index) {
|
|
return (index==0 && pcmChanOffs>=0)?pcmMem:
|
|
(index==0 && adpcmChan>=0)?adpcmBMem:NULL;
|
|
}
|
|
|
|
size_t DivPlatformOPL::getSampleMemCapacity(int index) {
|
|
return (index==0 && pcmChanOffs>=0)?
|
|
(PCM_IN_RAM?0x200000+ramSize:ramSize):
|
|
((index==0 && adpcmChan>=0)?262144:0);
|
|
}
|
|
|
|
size_t DivPlatformOPL::getSampleMemUsage(int index) {
|
|
return (index==0 && pcmChanOffs>=0)?pcmMemLen:
|
|
(index==0 && adpcmChan>=0)?adpcmBMemLen:0;
|
|
}
|
|
|
|
bool DivPlatformOPL::hasSamplePtrHeader(int index) {
|
|
return (index==0 && pcmChanOffs>=0);
|
|
}
|
|
|
|
size_t DivPlatformOPL::getSampleMemOffset(int index) {
|
|
return (index==0 && pcmChanOffs>=0 && ramSize<=0x200000)?0x200000:0;
|
|
}
|
|
|
|
bool DivPlatformOPL::isSampleLoaded(int index, int sample) {
|
|
if (index!=0) return false;
|
|
if (sample<0 || sample>32767) return false;
|
|
return sampleLoaded[sample];
|
|
}
|
|
|
|
const DivMemoryComposition* DivPlatformOPL::getMemCompo(int index) {
|
|
if ((adpcmChan<0) && (pcmChanOffs<0)) return NULL;
|
|
if (index!=0) return NULL;
|
|
return &memCompo;
|
|
}
|
|
|
|
void DivPlatformOPL::renderSamples(int sysID) {
|
|
if (adpcmChan<0 && pcmChanOffs<0) return;
|
|
if (adpcmChan>=0 && adpcmBMem!=NULL) {
|
|
memset(adpcmBMem,0,262144);
|
|
}
|
|
if (pcmChanOffs>=0 && pcmMem!=NULL) {
|
|
memset(pcmMem,0,4194304);
|
|
}
|
|
memset(sampleOffPCM,0,32768*sizeof(unsigned int));
|
|
memset(sampleOffB,0,32768*sizeof(unsigned int));
|
|
memset(sampleLoaded,0,32768*sizeof(bool));
|
|
|
|
memCompo=DivMemoryComposition();
|
|
memCompo.name="Sample Memory";
|
|
|
|
if (pcmChanOffs>=0) { // OPL4 PCM
|
|
size_t memPos=(PCM_IN_RAM?0x200600:0x1800);
|
|
const int maxSample=PCM_IN_RAM?128:512;
|
|
int sampleCount=parent->song.sampleLen;
|
|
if (sampleCount>maxSample) {
|
|
// mark the rest as unavailable
|
|
for (int i=maxSample; i<sampleCount; i++) {
|
|
sampleLoaded[i]=false;
|
|
}
|
|
sampleCount=maxSample;
|
|
}
|
|
for (int i=0; i<sampleCount; i++) {
|
|
DivSample* s=parent->song.sample[i];
|
|
if (!s->renderOn[0][sysID]) {
|
|
sampleOffPCM[i]=0;
|
|
continue;
|
|
}
|
|
|
|
int length;
|
|
int sampleLength;
|
|
unsigned char* src=(unsigned char*)s->getCurBuf();
|
|
switch (s->depth) {
|
|
case DIV_SAMPLE_DEPTH_8BIT:
|
|
sampleLength=s->getLoopEndPosition(DIV_SAMPLE_DEPTH_8BIT);
|
|
length=MIN(65535,sampleLength+1);
|
|
break;
|
|
case DIV_SAMPLE_DEPTH_12BIT:
|
|
sampleLength=s->getLoopEndPosition(DIV_SAMPLE_DEPTH_12BIT);
|
|
length=MIN(98303,sampleLength+3);
|
|
break;
|
|
case DIV_SAMPLE_DEPTH_16BIT:
|
|
sampleLength=s->getLoopEndPosition(DIV_SAMPLE_DEPTH_16BIT);
|
|
length=MIN(131070,sampleLength+2);
|
|
break;
|
|
default:
|
|
sampleLength=s->getLoopEndPosition(DIV_SAMPLE_DEPTH_8BIT);
|
|
length=MIN(65535,sampleLength+1);
|
|
src=(unsigned char*)s->data8;
|
|
break;
|
|
}
|
|
if (sampleLength<1) length=0;
|
|
int actualLength=MIN((int)(getSampleMemCapacity(0)-memPos),length);
|
|
if (actualLength>0) {
|
|
if (s->depth==DIV_SAMPLE_DEPTH_16BIT) {
|
|
for (int i=0, j=0; i<actualLength; i++, j++) {
|
|
if (j>=sampleLength) j=sampleLength-2;
|
|
#ifdef TA_BIG_ENDIAN
|
|
pcmMem[memPos+i]=src[j];
|
|
#else
|
|
pcmMem[memPos+i]=src[j^1];
|
|
#endif
|
|
}
|
|
} else {
|
|
for (int i=0, j=0; i<actualLength; i++, j++) {
|
|
if (j>=sampleLength && s->depth!=DIV_SAMPLE_DEPTH_12BIT) j=sampleLength-1;
|
|
pcmMem[memPos+i]=src[j];
|
|
}
|
|
}
|
|
sampleOffPCM[i]=memPos;
|
|
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_SAMPLE,"Sample",i,memPos,memPos+length));
|
|
memPos+=length;
|
|
}
|
|
if (actualLength<length) {
|
|
logW("out of OPL4 PCM memory for sample %d!",i);
|
|
break;
|
|
}
|
|
sampleLoaded[i]=true;
|
|
}
|
|
pcmMemLen=memPos+256;
|
|
|
|
// instrument table
|
|
for (int i=0; i<sampleCount; i++) {
|
|
DivSample* s=parent->song.sample[i];
|
|
unsigned int insAddr=(i*12)+(PCM_IN_RAM?0x200000:0);
|
|
unsigned char bitDepth;
|
|
int endPos=CLAMP(s->isLoopable()?s->loopEnd:(s->samples+1),1,0x10000);
|
|
int loop=s->isLoopable()?CLAMP(s->loopStart,0,endPos-2):(endPos-2);
|
|
switch (s->depth) {
|
|
case DIV_SAMPLE_DEPTH_8BIT:
|
|
bitDepth=0;
|
|
break;
|
|
case DIV_SAMPLE_DEPTH_12BIT:
|
|
bitDepth=1;
|
|
if (!s->isLoopable()) {
|
|
endPos++;
|
|
loop++;
|
|
}
|
|
break;
|
|
case DIV_SAMPLE_DEPTH_16BIT:
|
|
bitDepth=2;
|
|
break;
|
|
default:
|
|
bitDepth=0;
|
|
break;
|
|
}
|
|
pcmMem[insAddr]=(bitDepth<<6)|((sampleOffPCM[i]>>16)&0x3f);
|
|
pcmMem[1+insAddr]=(sampleOffPCM[i]>>8)&0xff;
|
|
pcmMem[2+insAddr]=(sampleOffPCM[i])&0xff;
|
|
pcmMem[3+insAddr]=(loop>>8)&0xff;
|
|
pcmMem[4+insAddr]=(loop)&0xff;
|
|
pcmMem[5+insAddr]=((~(endPos-1))>>8)&0xff;
|
|
pcmMem[6+insAddr]=(~(endPos-1))&0xff;
|
|
// on MultiPCM this consists of instrument params, but on OPL4 this is not used
|
|
pcmMem[7+insAddr]=0; // LFO, VIB
|
|
pcmMem[8+insAddr]=(0xf<<4)|(0xf<<0); // AR, D1R
|
|
pcmMem[9+insAddr]=0; // DL, D2R
|
|
pcmMem[10+insAddr]=(0xf<<4)|(0xf<<0); // RC, RR
|
|
pcmMem[11+insAddr]=0; // AM
|
|
}
|
|
if (PCM_IN_RAM) {
|
|
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_RESERVED,"ROM data",0,0,0x200000));
|
|
}
|
|
|
|
memCompo.used=pcmMemLen;
|
|
} else if (adpcmChan>=0) { // ADPCM
|
|
size_t memPos=0;
|
|
for (int i=0; i<parent->song.sampleLen; i++) {
|
|
DivSample* s=parent->song.sample[i];
|
|
if (!s->renderOn[0][sysID]) {
|
|
sampleOffB[i]=0;
|
|
continue;
|
|
}
|
|
|
|
int paddedLen=(s->lengthB+255)&(~0xff);
|
|
if ((memPos&0xf00000)!=((memPos+paddedLen)&0xf00000)) {
|
|
memPos=(memPos+0xfffff)&0xf00000;
|
|
}
|
|
if (memPos>=getSampleMemCapacity(0)) {
|
|
logW("out of ADPCM memory for sample %d!",i);
|
|
break;
|
|
}
|
|
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
|
|
memcpy(adpcmBMem+memPos,s->dataB,getSampleMemCapacity(0)-memPos);
|
|
logW("out of ADPCM memory for sample %d!",i);
|
|
} else {
|
|
memcpy(adpcmBMem+memPos,s->dataB,paddedLen);
|
|
sampleLoaded[i]=true;
|
|
}
|
|
sampleOffB[i]=memPos;
|
|
memCompo.entries.push_back(DivMemoryEntry(DIV_MEMORY_SAMPLE,"Sample",i,memPos,memPos+paddedLen));
|
|
memPos+=paddedLen;
|
|
}
|
|
adpcmBMemLen=memPos+256;
|
|
|
|
memCompo.used=adpcmBMemLen;
|
|
}
|
|
memCompo.capacity=getSampleMemCapacity(0);
|
|
}
|
|
|
|
int DivPlatformOPL::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<44; i++) {
|
|
isMuted[i]=false;
|
|
}
|
|
for (int i=0; i<44; i++) {
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
|
|
fm_ymfm1=NULL;
|
|
fm_ymfm2=NULL;
|
|
fm_ymfm8950=NULL;
|
|
fm_ymfm3=NULL;
|
|
fm_ymfm4=NULL;
|
|
|
|
if (emuCore==1) {
|
|
switch (chipType) {
|
|
case 1:
|
|
fm_ymfm1=new ymfm::ym3526(iface);
|
|
break;
|
|
case 2:
|
|
fm_ymfm2=new ymfm::ym3812(iface);
|
|
break;
|
|
case 8950:
|
|
fm_ymfm8950=new ymfm::y8950(iface);
|
|
break;
|
|
case 3: case 759:
|
|
fm_ymfm3=new ymfm::ymf262(iface);
|
|
break;
|
|
case 4:
|
|
fm_ymfm4=new ymfm::ymf278b(iface);
|
|
break;
|
|
}
|
|
}
|
|
|
|
setFlags(flags);
|
|
|
|
if (adpcmChan>=0) {
|
|
adpcmBMem=new unsigned char[262144];
|
|
adpcmBMemLen=0;
|
|
iface.adpcmBMem=adpcmBMem;
|
|
iface.sampleBank=0;
|
|
adpcmB=new ymfm::adpcm_b_engine(iface,2);
|
|
}
|
|
|
|
if (pcmChanOffs>=0) {
|
|
pcmMem=new unsigned char[4194304];
|
|
pcmMemLen=0;
|
|
iface.pcmMem=pcmMem;
|
|
iface.sampleBank=0;
|
|
pcmMemory.memory=pcmMem;
|
|
}
|
|
|
|
reset();
|
|
return totalChans;
|
|
}
|
|
|
|
void DivPlatformOPL::quit() {
|
|
for (int i=0; i<44; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
if (adpcmChan>=0) {
|
|
delete adpcmB;
|
|
delete[] adpcmBMem;
|
|
}
|
|
if (pcmChanOffs>=0) {
|
|
delete[] pcmMem;
|
|
}
|
|
if (fm_ymfm1!=NULL) {
|
|
delete fm_ymfm1;
|
|
fm_ymfm1=NULL;
|
|
}
|
|
if (fm_ymfm2!=NULL) {
|
|
delete fm_ymfm2;
|
|
fm_ymfm2=NULL;
|
|
}
|
|
if (fm_ymfm8950!=NULL) {
|
|
delete fm_ymfm8950;
|
|
fm_ymfm8950=NULL;
|
|
}
|
|
if (fm_ymfm3!=NULL) {
|
|
delete fm_ymfm3;
|
|
fm_ymfm3=NULL;
|
|
}
|
|
if (fm_ymfm4!=NULL) {
|
|
delete fm_ymfm4;
|
|
fm_ymfm4=NULL;
|
|
}
|
|
}
|
|
|
|
// initialization of important arrays
|
|
DivPlatformOPL::DivPlatformOPL():
|
|
pcmMemory(0x400000),
|
|
pcm(pcmMemory) {
|
|
sampleOffPCM=new unsigned int[32768];
|
|
sampleOffB=new unsigned int[32768];
|
|
sampleLoaded=new bool[32768];
|
|
}
|
|
|
|
DivPlatformOPL::~DivPlatformOPL() {
|
|
delete[] sampleOffPCM;
|
|
delete[] sampleOffB;
|
|
delete[] sampleLoaded;
|
|
}
|