624 lines
16 KiB
C++
624 lines
16 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2023 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 "namcowsg.h"
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#include "../engine.h"
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#include <math.h>
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//#define rWrite(a,v) pendingWrites[a]=v;
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#define rWrite(a,v) if (!skipRegisterWrites) {writes.push(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
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#define CHIP_FREQBASE 4194304
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const char* regCheatSheetNamcoWSG[]={
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"WaveSel0", "05",
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"WaveSel1", "0A",
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"WaveSel2", "0F",
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"FreqS0", "10",
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"FreqL0", "11",
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"FreqM0", "12",
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"FreqH0", "13",
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"FreqX0", "14",
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"Volume0", "15",
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"FreqL1", "16",
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"FreqM1", "17",
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"FreqH1", "18",
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"FreqX1", "19",
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"Volume1", "1A",
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"FreqL2", "1B",
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"FreqM2", "1C",
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"FreqH2", "1D",
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"FreqX2", "1E",
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"Volume2", "1F",
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NULL
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};
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const char* regCheatSheetNamco15XX[]={
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"Volume0", "03",
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"FreqL0", "04",
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"FreqH0", "05",
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"WaveSel0", "06",
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"Volume1", "0B",
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"FreqL1", "0C",
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"FreqH1", "0D",
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"WaveSel1", "0E",
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"Volume2", "13",
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"FreqL2", "14",
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"FreqH2", "15",
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"WaveSel2", "16",
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"Volume3", "1B",
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"FreqL3", "1C",
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"FreqH3", "1D",
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"WaveSel3", "1E",
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"Volume4", "23",
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"FreqL4", "24",
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"FreqH4", "25",
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"WaveSel4", "26",
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"Volume5", "2B",
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"FreqL5", "2C",
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"FreqH5", "2D",
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"WaveSel5", "2E",
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"Volume6", "33",
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"FreqL6", "34",
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"FreqH6", "35",
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"WaveSel6", "36",
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"Volume7", "3B",
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"FreqL7", "3C",
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"FreqH7", "3D",
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"WaveSel7", "3E",
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NULL
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};
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const char* regCheatSheetNamcoCUS30[]={
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"VolumeL0", "00",
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"WaveSel0", "01",
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"FreqH0", "02",
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"FreqL0", "03",
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"VolumeR0", "04",
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"VolumeL1", "08",
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"WaveSel1", "09",
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"FreqH1", "0A",
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"FreqL1", "0B",
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"VolumeR1", "0C",
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"VolumeL2", "10",
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"WaveSel2", "11",
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"FreqH2", "12",
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"FreqL2", "13",
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"VolumeR2", "14",
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"VolumeL3", "18",
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"WaveSel3", "19",
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"FreqH3", "1A",
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"FreqL3", "1B",
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"VolumeR3", "1C",
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"VolumeL4", "20",
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"WaveSel4", "21",
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"FreqH4", "22",
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"FreqL4", "23",
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"VolumeR4", "24",
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"VolumeL5", "28",
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"WaveSel5", "29",
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"FreqH5", "2A",
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"FreqL5", "2B",
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"VolumeR5", "2C",
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"VolumeL6", "30",
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"WaveSel6", "31",
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"FreqH6", "32",
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"FreqL6", "33",
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"VolumeR6", "34",
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"VolumeL7", "38",
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"WaveSel7", "39",
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"FreqH7", "3A",
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"FreqL7", "3B",
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"VolumeR7", "3C",
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NULL
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};
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const char** DivPlatformNamcoWSG::getRegisterSheet() {
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if (devType==30) return regCheatSheetNamcoCUS30;
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if (devType==15) return regCheatSheetNamco15XX;
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return regCheatSheetNamcoWSG;
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}
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void DivPlatformNamcoWSG::acquire(short** buf, size_t len) {
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while (!writes.empty()) {
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QueuedWrite w=writes.front();
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switch (devType) {
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case 1:
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((namco_device*)namco)->pacman_sound_w(w.addr,w.val);
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break;
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case 2:
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((namco_device*)namco)->polepos_sound_w(w.addr,w.val);
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break;
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case 15:
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((namco_15xx_device*)namco)->sharedram_w(w.addr,w.val);
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break;
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case 30:
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((namco_cus30_device*)namco)->namcos1_cus30_w(w.addr,w.val);
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break;
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}
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regPool[w.addr&0x3f]=w.val;
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writes.pop();
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}
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for (size_t h=0; h<len; h++) {
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short* bufC[2]={
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buf[0]+h, buf[1]+h
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};
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namco->sound_stream_update(bufC,1);
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for (int i=0; i<chans; i++) {
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oscBuf[i]->data[oscBuf[i]->needle++]=(namco->m_channel_list[i].last_out*chans)>>1;
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}
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}
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}
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void DivPlatformNamcoWSG::updateWave(int ch) {
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if (romMode) return;
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if (devType==30) {
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for (int i=0; i<32; i++) {
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((namco_cus30_device*)namco)->namcos1_cus30_w(i+ch*32,chan[ch].ws.output[i]);
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}
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} else {
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for (int i=0; i<32; i++) {
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namco->update_namco_waveform(i+ch*32,chan[ch].ws.output[i]);
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}
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}
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}
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void DivPlatformNamcoWSG::tick(bool sysTick) {
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for (int i=0; i<chans; i++) {
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chan[i].std.next();
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if (chan[i].std.vol.had) {
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chan[i].outVol=((chan[i].vol&15)*MIN(15,chan[i].std.vol.val))>>4;
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}
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if (chan[i].std.duty.had && i>=4) {
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chan[i].noise=chan[i].std.duty.val;
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chan[i].freqChanged=true;
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}
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if (NEW_ARP_STRAT) {
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chan[i].handleArp();
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} else if (chan[i].std.arp.had) {
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if (!chan[i].inPorta) {
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chan[i].baseFreq=NOTE_FREQUENCY(parent->calcArp(chan[i].note,chan[i].std.arp.val));
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}
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chan[i].freqChanged=true;
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}
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if (chan[i].std.wave.had) {
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if (chan[i].wave!=chan[i].std.wave.val || chan[i].ws.activeChanged()) {
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chan[i].wave=chan[i].std.wave.val;
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chan[i].ws.changeWave1(chan[i].wave);
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if (!chan[i].keyOff) chan[i].keyOn=true;
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}
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}
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if (chan[i].std.panL.had) {
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chan[i].pan&=0x0f;
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chan[i].pan|=(chan[i].std.panL.val&15)<<4;
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}
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if (chan[i].std.panR.had) {
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chan[i].pan&=0xf0;
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chan[i].pan|=chan[i].std.panR.val&15;
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}
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if (chan[i].std.pitch.had) {
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if (chan[i].std.pitch.mode) {
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chan[i].pitch2+=chan[i].std.pitch.val;
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CLAMP_VAR(chan[i].pitch2,-1048575,1048575);
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} else {
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chan[i].pitch2=chan[i].std.pitch.val;
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}
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chan[i].freqChanged=true;
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}
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if (chan[i].active) {
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if (chan[i].ws.tick() || (chan[i].std.phaseReset.had && chan[i].std.phaseReset.val==1)) {
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updateWave(i);
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}
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}
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_PCE);
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chan[i].freq=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,CHIP_FREQBASE);
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if (chan[i].freq<0) chan[i].freq=0;
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if (chan[i].freq>1048575) chan[i].freq=1048575;
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if (chan[i].keyOn) {
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}
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if (chan[i].keyOff) {
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}
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if (chan[i].keyOn) chan[i].keyOn=false;
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if (chan[i].keyOff) chan[i].keyOff=false;
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chan[i].freqChanged=false;
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}
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}
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// update state
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switch (devType) {
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case 1:
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if (chan[0].active && !isMuted[0]) {
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rWrite(0x15,chan[0].outVol);
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} else {
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rWrite(0x15,0);
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}
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if (chan[1].active && !isMuted[1]) {
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rWrite(0x1a,chan[1].outVol);
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} else {
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rWrite(0x1a,0);
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}
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if (chan[2].active && !isMuted[2]) {
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rWrite(0x1f,chan[2].outVol);
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} else {
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rWrite(0x1f,0);
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}
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rWrite(0x10,(chan[0].freq)&15);
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rWrite(0x11,(chan[0].freq>>4)&15);
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rWrite(0x12,(chan[0].freq>>8)&15);
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rWrite(0x13,(chan[0].freq>>12)&15);
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rWrite(0x14,(chan[0].freq>>16)&15);
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rWrite(0x16,(chan[1].freq>>4)&15);
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rWrite(0x17,(chan[1].freq>>8)&15);
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rWrite(0x18,(chan[1].freq>>12)&15);
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rWrite(0x19,(chan[1].freq>>16)&15);
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rWrite(0x1b,(chan[2].freq>>4)&15);
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rWrite(0x1c,(chan[2].freq>>8)&15);
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rWrite(0x1d,(chan[2].freq>>12)&15);
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rWrite(0x1e,(chan[2].freq>>16)&15);
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rWrite(0x05,romMode?(chan[0].wave&7):0);
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rWrite(0x0a,romMode?(chan[1].wave&7):1);
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rWrite(0x0f,romMode?(chan[2].wave&7):2);
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break;
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case 15:
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for (int i=0; i<8; i++) {
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if (chan[i].active && !isMuted[i]) {
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rWrite((i<<3)+0x03,chan[i].outVol);
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} else {
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rWrite((i<<3)+0x03,0);
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}
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rWrite((i<<3)+0x04,chan[i].freq&0xff);
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rWrite((i<<3)+0x05,(chan[i].freq>>8)&0xff);
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rWrite((i<<3)+0x06,((chan[i].freq>>16)&15)|((romMode?(chan[i].wave&7):i)<<4));
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}
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break;
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case 30:
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for (int i=0; i<8; i++) {
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if (chan[i].active && !isMuted[i]) {
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rWrite((i<<3)+0x100,(chan[i].outVol*((chan[i].pan>>4)&15))/15);
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rWrite((i<<3)+0x104,((chan[i].outVol*(chan[i].pan&15))/15)|(chan[(i+1)&7].noise?0x80:0));
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} else {
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rWrite((i<<3)+0x100,0);
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rWrite((i<<3)+0x104,(chan[(i+1)&7].noise?0x80:0));
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}
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if (chan[i].noise && newNoise) {
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int noiseFreq=chan[i].freq>>9;
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if (noiseFreq<0) noiseFreq=0;
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if (noiseFreq>255) noiseFreq=255;
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rWrite((i<<3)+0x103,noiseFreq);
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} else {
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rWrite((i<<3)+0x103,chan[i].freq&0xff);
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rWrite((i<<3)+0x102,(chan[i].freq>>8)&0xff);
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rWrite((i<<3)+0x101,((chan[i].freq>>16)&15)|(i<<4));
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}
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}
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break;
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}
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}
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int DivPlatformNamcoWSG::dispatch(DivCommand c) {
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON: {
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DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_PCE);
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if (c.value!=DIV_NOTE_NULL) {
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chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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}
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chan[c.chan].active=true;
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chan[c.chan].keyOn=true;
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chan[c.chan].macroInit(ins);
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if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
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chan[c.chan].outVol=chan[c.chan].vol;
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}
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if (chan[c.chan].wave<0) {
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chan[c.chan].wave=0;
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chan[c.chan].ws.changeWave1(chan[c.chan].wave);
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}
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chan[c.chan].ws.init(ins,32,15,chan[c.chan].insChanged);
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chan[c.chan].insChanged=false;
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break;
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}
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case DIV_CMD_NOTE_OFF:
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chan[c.chan].active=false;
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chan[c.chan].keyOff=true;
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chan[c.chan].macroInit(NULL);
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break;
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case DIV_CMD_NOTE_OFF_ENV:
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case DIV_CMD_ENV_RELEASE:
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chan[c.chan].std.release();
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break;
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case DIV_CMD_INSTRUMENT:
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if (chan[c.chan].ins!=c.value || c.value2==1) {
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chan[c.chan].ins=c.value;
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chan[c.chan].insChanged=true;
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}
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break;
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case DIV_CMD_VOLUME:
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if (chan[c.chan].vol!=c.value) {
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chan[c.chan].vol=c.value;
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if (!chan[c.chan].std.vol.has) {
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chan[c.chan].outVol=c.value;
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}
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}
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break;
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case DIV_CMD_GET_VOLUME:
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if (chan[c.chan].std.vol.has) {
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return chan[c.chan].vol;
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}
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return chan[c.chan].outVol;
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break;
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case DIV_CMD_PITCH:
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chan[c.chan].pitch=c.value;
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chan[c.chan].freqChanged=true;
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break;
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case DIV_CMD_WAVE:
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chan[c.chan].wave=c.value;
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chan[c.chan].ws.changeWave1(chan[c.chan].wave);
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chan[c.chan].keyOn=true;
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break;
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case DIV_CMD_NOTE_PORTA: {
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int destFreq=NOTE_FREQUENCY(c.value2);
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bool return2=false;
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if (destFreq>chan[c.chan].baseFreq) {
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chan[c.chan].baseFreq+=c.value*((parent->song.linearPitch==2)?1:8);
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if (chan[c.chan].baseFreq>=destFreq) {
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chan[c.chan].baseFreq=destFreq;
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return2=true;
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}
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} else {
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chan[c.chan].baseFreq-=c.value*((parent->song.linearPitch==2)?1:8);
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if (chan[c.chan].baseFreq<=destFreq) {
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chan[c.chan].baseFreq=destFreq;
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return2=true;
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}
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}
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chan[c.chan].freqChanged=true;
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if (return2) {
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chan[c.chan].inPorta=false;
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return 2;
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}
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break;
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}
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case DIV_CMD_STD_NOISE_MODE:
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chan[c.chan].noise=c.value;
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break;
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case DIV_CMD_PANNING: {
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chan[c.chan].pan=(c.value&0xf0)|(c.value2>>4);
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break;
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}
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case DIV_CMD_LEGATO:
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chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
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chan[c.chan].freqChanged=true;
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chan[c.chan].note=c.value;
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break;
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case DIV_CMD_PRE_PORTA:
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if (chan[c.chan].active && c.value2) {
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if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_PCE));
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}
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if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_FREQUENCY(chan[c.chan].note);
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chan[c.chan].inPorta=c.value;
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break;
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case DIV_CMD_GET_VOLMAX:
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return 15;
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break;
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case DIV_CMD_MACRO_OFF:
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chan[c.chan].std.mask(c.value,true);
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break;
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case DIV_CMD_MACRO_ON:
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chan[c.chan].std.mask(c.value,false);
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break;
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case DIV_ALWAYS_SET_VOLUME:
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return 1;
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break;
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default:
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break;
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}
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return 1;
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}
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void DivPlatformNamcoWSG::muteChannel(int ch, bool mute) {
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isMuted[ch]=mute;
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}
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void DivPlatformNamcoWSG::forceIns() {
|
|
for (int i=0; i<chans; i++) {
|
|
chan[i].insChanged=true;
|
|
chan[i].freqChanged=true;
|
|
updateWave(i);
|
|
}
|
|
}
|
|
|
|
void* DivPlatformNamcoWSG::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformNamcoWSG::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformNamcoWSG::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformNamcoWSG::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformNamcoWSG::getRegisterPoolSize() {
|
|
return (devType==1)?32:64;
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
memset(regPool,0,128);
|
|
for (int i=0; i<chans; i++) {
|
|
chan[i]=DivPlatformNamcoWSG::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
chan[i].ws.setEngine(parent);
|
|
chan[i].ws.init(NULL,32,15,false);
|
|
}
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
namco->set_voices(chans);
|
|
namco->set_stereo((devType==2 || devType==30));
|
|
namco->device_start(NULL);
|
|
|
|
updateROMWaves();
|
|
}
|
|
|
|
int DivPlatformNamcoWSG::getOutputCount() {
|
|
return (devType==30)?2:1;
|
|
}
|
|
|
|
bool DivPlatformNamcoWSG::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::updateROMWaves() {
|
|
if (romMode) {
|
|
// copy wavetables
|
|
for (int i=0; i<8; i++) {
|
|
int data=0;
|
|
DivWavetable* w=parent->getWave(i);
|
|
|
|
for (int j=0; j<32; j++) {
|
|
if (w->max<1 || w->len<1) {
|
|
data=0;
|
|
} else {
|
|
data=w->data[j*w->len/32]*15/w->max;
|
|
if (data<0) data=0;
|
|
if (data>15) data=15;
|
|
}
|
|
namco->update_namco_waveform(i*32+j,data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::notifyWaveChange(int wave) {
|
|
for (int i=0; i<chans; i++) {
|
|
if (chan[i].wave==wave) {
|
|
chan[i].ws.changeWave1(wave);
|
|
updateWave(i);
|
|
}
|
|
}
|
|
updateROMWaves();
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<chans; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::setDeviceType(int type) {
|
|
devType=type;
|
|
switch (type) {
|
|
case 15:
|
|
chans=8;
|
|
break;
|
|
case 30:
|
|
chans=8;
|
|
break;
|
|
case 1:
|
|
chans=3;
|
|
break;
|
|
case 2:
|
|
chans=8;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::setFlags(const DivConfig& flags) {
|
|
chipClock=3072000;
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock/32;
|
|
namco->device_clock_changed(rate);
|
|
for (int i=0; i<chans; i++) {
|
|
oscBuf[i]->rate=rate;
|
|
}
|
|
newNoise=flags.getBool("newNoise",true);
|
|
romMode=flags.getBool("romMode",false);
|
|
if (devType==30) romMode=false;
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::poke(unsigned int addr, unsigned short val) {
|
|
rWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
|
}
|
|
|
|
int DivPlatformNamcoWSG::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<chans; i++) {
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
switch (devType) {
|
|
case 15:
|
|
namco=new namco_15xx_device(3072000);
|
|
break;
|
|
case 30:
|
|
namco=new namco_cus30_device(3072000);
|
|
break;
|
|
default:
|
|
namco=new namco_device(3072000);
|
|
break;
|
|
}
|
|
setFlags(flags);
|
|
reset();
|
|
return 6;
|
|
}
|
|
|
|
void DivPlatformNamcoWSG::quit() {
|
|
for (int i=0; i<chans; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
delete namco;
|
|
}
|
|
|
|
DivPlatformNamcoWSG::~DivPlatformNamcoWSG() {
|
|
}
|