46f1ae33c7
Also add clipping for ADSR, duty and cutoff when in instrument types you go SID3 -> SID2 or SID2 -> C64 or SID3 -> C64
747 lines
22 KiB
C++
747 lines
22 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2024 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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// thanks LTVA
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#include "sid2.h"
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#include "../engine.h"
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#include "IconsFontAwesome4.h"
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#include <math.h>
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#include "../../ta-log.h"
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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 524288
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const char* regCheatSheetSID2[]={
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"FreqL0", "00",
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"FreqH0", "01",
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"PWL0", "02",
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"PWH0Vol", "03",
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"Control0", "04",
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"AtkDcy0", "05",
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"StnRis0", "06",
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"FreqL1", "07",
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"FreqH1", "08",
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"PWL1", "09",
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"PWH1Vol", "0A",
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"Control1", "0B",
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"AtkDcy1", "0C",
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"StnRis1", "0D",
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"FreqL2", "0E",
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"FreqH2", "0F",
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"PWL2", "10",
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"PWH2Vol", "11",
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"Control2", "12",
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"AtkDcy2", "13",
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"StnRis2", "14",
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"FCL0Ctrl", "15",
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"FCH0", "16",
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"FilterRes0", "17",
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"FCL1Ctrl", "18",
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"FCH1", "19",
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"FilterRes1", "1A",
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"FCL2Ctrl", "1B",
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"FCH2", "1C",
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"FilterRes2", "1D",
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"NoiModeFrMSB01", "1E",
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"WaveMixModeFrMSB2", "1F",
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NULL
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};
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const char** DivPlatformSID2::getRegisterSheet() {
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return regCheatSheetSID2;
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}
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void DivPlatformSID2::acquire(short** buf, size_t len)
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{
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for (size_t i=0; i<len; i++)
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{
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if (!writes.empty())
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{
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QueuedWrite w=writes.front();
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sid2->write(w.addr,w.val);
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regPool[w.addr&0x1f]=w.val;
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writes.pop();
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}
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sid2->clock();
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buf[0][i]=sid2->output();
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if (++writeOscBuf>=16)
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{
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writeOscBuf=0;
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for(int j = 0; j < 3; j++)
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{
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oscBuf[j]->data[oscBuf[j]->needle++] = sid2->chan_out[j] / 4;
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}
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}
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}
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}
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void DivPlatformSID2::updateFilter(int channel)
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{
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rWrite(0x15 + 3 * channel,(chan[channel].filtCut&15) | ((chan[channel].filtControl & 7) << 4) | (chan[channel].filter << 7));
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rWrite(0x16 + 3 * channel,(chan[channel].filtCut >> 4));
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rWrite(0x17 + 3 * channel,chan[channel].filtRes);
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}
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void DivPlatformSID2::tick(bool sysTick) {
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for (int _i=0; _i<3; _i++) {
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int i=chanOrder[_i];
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bool willUpdateFilter = false;
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chan[i].std.next();
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if(sysTick)
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{
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if(chan[i].pw_slide != 0)
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{
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chan[i].duty -= chan[i].pw_slide;
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chan[i].duty = CLAMP(chan[i].duty, 0, 0xfff);
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rWrite(i*7+2,chan[i].duty&0xff);
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rWrite(i*7+3,(chan[i].duty>>8) | (chan[i].outVol << 4));
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}
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if(chan[i].cutoff_slide != 0)
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{
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chan[i].filtCut += chan[i].cutoff_slide;
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chan[i].filtCut = CLAMP(chan[i].filtCut, 0, 0xfff);
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updateFilter(i);
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}
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}
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if (chan[i].std.vol.had) {
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chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol&15,MIN(15,chan[i].std.vol.val),15);
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rWrite(i*7+3,(chan[i].duty>>8) | (chan[i].outVol << 4));
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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.duty.had) {
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DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SID2);
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if (ins->c64.dutyIsAbs) {
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chan[i].duty=chan[i].std.duty.val;
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} else {
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chan[i].duty-=chan[i].std.duty.val;
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}
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chan[i].duty&=4095;
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rWrite(i*7+2,chan[i].duty&0xff);
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rWrite(i*7+3,(chan[i].duty>>8) | (chan[i].outVol << 4));
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}
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if (chan[i].std.wave.had) {
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chan[i].wave=chan[i].std.wave.val;
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rWrite(i*7+4,(chan[i].wave<<4)|0|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active && chan[i].gate));
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chan[i].freqChanged=true; //to update freq (if only noise was enabled/disabled)
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}
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if (chan[i].std.fms.had) {
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chan[i].noise_mode=chan[i].std.fms.val;
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rWrite(0x1e, (chan[0].noise_mode) | (chan[1].noise_mode << 2) | (chan[2].noise_mode << 4) | ((chan[0].freq >> 16) << 6) | ((chan[1].freq >> 16) << 7));
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chan[i].freqChanged=true; //to update freq (if only noise was enabled and periodic noise mode is set)
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}
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if (chan[i].std.ams.had) {
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chan[i].mix_mode=chan[i].std.ams.val;
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rWrite(0x1f, (chan[0].mix_mode) | (chan[1].mix_mode << 2) | (chan[2].mix_mode << 4) | ((chan[2].freq >> 16) << 6));
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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,-65535,65535);
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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].std.alg.had) { // new cutoff macro
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DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SID2);
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if (ins->c64.filterIsAbs) {
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chan[i].filtCut=MIN(4095,chan[i].std.alg.val);
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} else {
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chan[i].filtCut+=chan[i].std.alg.val;
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if (chan[i].filtCut > 4095) chan[i].filtCut = 4095;
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if (chan[i].filtCut<0) chan[i].filtCut=0;
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}
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willUpdateFilter=true;
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}
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if (chan[i].std.ex1.had) {
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chan[i].filtControl=chan[i].std.ex1.val&15;
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willUpdateFilter=true;
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}
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if (chan[i].std.ex2.had) {
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chan[i].filtRes=chan[i].std.ex2.val&255;
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willUpdateFilter=true;
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}
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if (chan[i].std.ex3.had) {
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chan[i].filter=(chan[i].std.ex3.val&1);
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willUpdateFilter=true;
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}
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if (chan[i].std.ex4.had) {
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chan[i].gate=chan[i].std.ex4.val&1;
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chan[i].sync=chan[i].std.ex4.val&2;
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chan[i].ring=chan[i].std.ex4.val&4;
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chan[i].freqChanged=true;
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rWrite(i*7+4,(chan[i].wave<<4)|0|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active && chan[i].gate));
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}
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if (chan[i].std.phaseReset.had) {
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chan[i].test=(chan[i].std.phaseReset.val&1);
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rWrite(i*7+4,(chan[i].wave<<4)|(chan[i].test << 3)|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active && chan[i].gate));
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rWrite(i*7+4,(chan[i].wave<<4)|0|(chan[i].ring<<2)|(chan[i].sync<<1)|(int)(chan[i].active && chan[i].gate));
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chan[i].test = false;
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}
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if (chan[i].std.ex5.had) {
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chan[i].attack=chan[i].std.ex5.val&15;
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rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
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}
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if (chan[i].std.ex6.had) {
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chan[i].decay=chan[i].std.ex6.val&15;
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rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
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}
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if (chan[i].std.ex7.had) {
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chan[i].sustain=chan[i].std.ex7.val&15;
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rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
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}
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if (chan[i].std.ex8.had) {
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chan[i].release=chan[i].std.ex8.val&15;
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rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
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}
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if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
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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,8,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>0x1ffff) chan[i].freq=0x1ffff;
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if (chan[i].keyOn)
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{
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if(!chan[i].resetMask)
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{
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chan[i].gate = true;
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rWrite(i*7+4,(chan[i].wave<<4)|0|(chan[i].ring<<2)|(chan[i].sync<<1)|(0));
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rWrite(i*7+4,(chan[i].wave<<4)|0|(chan[i].ring<<2)|(chan[i].sync<<1)|(chan[i].gate?1:0));
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rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
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rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
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}
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rWrite(i*7+3, (chan[i].duty>>8) | (isMuted[i] ? 0 : (chan[i].outVol << 4))); //set volume
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rWrite(0x1e, (chan[0].noise_mode) | (chan[1].noise_mode << 2) | (chan[2].noise_mode << 4) | ((chan[0].freq >> 16) << 6) | ((chan[1].freq >> 16) << 7));
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rWrite(0x1f, (chan[0].mix_mode) | (chan[1].mix_mode << 2) | (chan[2].mix_mode << 4) | ((chan[2].freq >> 16) << 6));
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}
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if (chan[i].keyOff)
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{
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chan[i].gate = false;
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rWrite(i*7+5,(chan[i].attack<<4)|(chan[i].decay));
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rWrite(i*7+6,(chan[i].sustain<<4)|(chan[i].release));
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rWrite(i*7+4,(chan[i].wave<<4)|0|(chan[i].ring<<2)|(chan[i].sync<<1)|0);
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}
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if(chan[i].wave == 0x8) //if we have noise (noise only, since tone frequency would be wrong)
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{
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if(chan[i].noise_mode == 1) //1st short noise
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{
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chan[i].freq = (int)((double)chan[i].freq * 523.25 / 349.0); //these numbers and later determined by spectrum analyzer peak of looped noise signal at known frequency (frequency known for tone that would play if tone wave was enabled)
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}
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if(chan[i].noise_mode == 2) //2nd short noise
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{
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chan[i].freq = (int)((double)chan[i].freq * 523.25 / 270.0);
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}
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if(chan[i].noise_mode == 3) //3rd short noise
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{
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chan[i].freq = (int)((double)chan[i].freq * 523.25 / 133.0);
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}
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}
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if (chan[i].freq<0) chan[i].freq=0;
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if (chan[i].freq>0x1ffff) chan[i].freq=0x1ffff;
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rWrite(i*7,chan[i].freq&0xff);
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rWrite(i*7+1,chan[i].freq>>8);
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rWrite(0x1e, (chan[0].noise_mode) | (chan[1].noise_mode << 2) | (chan[2].noise_mode << 4) | ((chan[0].freq >> 16) << 6) | ((chan[1].freq >> 16) << 7));
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rWrite(0x1f, (chan[0].mix_mode) | (chan[1].mix_mode << 2) | (chan[2].mix_mode << 4) | ((chan[2].freq >> 16) << 6));
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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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if (willUpdateFilter) updateFilter(i);
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}
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}
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int DivPlatformSID2::dispatch(DivCommand c) {
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if (c.chan>2) return 0;
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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_SID2);
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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].test=false;
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if (((chan[c.chan].insChanged || chan[c.chan].resetDuty || ins->std.waveMacro.len>0) && ins->c64.resetDuty) || chan[c.chan].resetDuty) {
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chan[c.chan].duty=ins->c64.duty;
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rWrite(c.chan*7+2,chan[c.chan].duty&0xff);
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rWrite(c.chan*7+3,(chan[c.chan].duty>>8) | (chan[c.chan].outVol << 4));
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}
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if (chan[c.chan].insChanged) {
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chan[c.chan].wave=(ins->c64.noiseOn<<3)|(ins->c64.pulseOn<<2)|(ins->c64.sawOn<<1)|(int)(ins->c64.triOn);
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chan[c.chan].attack=ins->c64.a;
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chan[c.chan].decay=(ins->c64.s==15)?0:ins->c64.d;
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chan[c.chan].sustain=ins->c64.s;
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chan[c.chan].release=ins->c64.r;
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chan[c.chan].ring=ins->c64.ringMod;
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chan[c.chan].sync=ins->c64.oscSync;
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chan[c.chan].noise_mode = ins->sid2.noiseMode;
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chan[c.chan].mix_mode = ins->sid2.mixMode;
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}
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if (chan[c.chan].insChanged || chan[c.chan].resetFilter) {
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chan[c.chan].filter=ins->c64.toFilter;
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if (ins->c64.initFilter) {
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chan[c.chan].filtCut=ins->c64.cut;
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chan[c.chan].filtRes=ins->c64.res;
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chan[c.chan].filtControl=(int)(ins->c64.lp)|(ins->c64.bp<<1)|(ins->c64.hp<<2);
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}
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updateFilter(c.chan);
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}
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if (chan[c.chan].insChanged) {
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chan[c.chan].insChanged=false;
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}
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if (keyPriority) {
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if (chanOrder[1]==c.chan) {
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chanOrder[1]=chanOrder[2];
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chanOrder[2]=c.chan;
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} else if (chanOrder[0]==c.chan) {
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chanOrder[0]=chanOrder[1];
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chanOrder[1]=chanOrder[2];
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chanOrder[2]=c.chan;
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}
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}
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chan[c.chan].macroInit(ins);
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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].keyOn=false;
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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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chan[c.chan].active=false;
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chan[c.chan].keyOff=true;
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chan[c.chan].keyOn=false;
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chan[c.chan].std.release();
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break;
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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].insChanged=true;
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chan[c.chan].ins=c.value;
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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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chan[c.chan].vol=chan[c.chan].outVol;
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rWrite(c.chan*7+3,(chan[c.chan].duty>>8) | (chan[c.chan].vol << 4));
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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_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;
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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 {
|
|
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;
|
|
}
|
|
case DIV_CMD_C64_FINE_DUTY:
|
|
chan[c.chan].duty=c.value;
|
|
rWrite(c.chan*7+2,chan[c.chan].duty&0xff);
|
|
rWrite(c.chan*7+3,(chan[c.chan].duty>>8) | (chan[c.chan].outVol << 4));
|
|
break;
|
|
case DIV_CMD_WAVE:
|
|
chan[c.chan].wave=c.value;
|
|
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|0|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
case DIV_CMD_LEGATO:
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
break;
|
|
case DIV_CMD_PRE_PORTA:
|
|
if (chan[c.chan].active && c.value2) {
|
|
if (parent->song.resetMacroOnPorta || parent->song.preNoteNoEffect) {
|
|
chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SID2));
|
|
chan[c.chan].keyOn=true;
|
|
}
|
|
}
|
|
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);
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 15;
|
|
break;
|
|
case DIV_CMD_C64_FINE_CUTOFF:
|
|
chan[c.chan].filtCut=c.value;
|
|
updateFilter(c.chan);
|
|
break;
|
|
case DIV_CMD_C64_RESONANCE:
|
|
if (c.value>255) c.value=255;
|
|
chan[c.chan].filtRes=c.value;
|
|
updateFilter(c.chan);
|
|
break;
|
|
case DIV_CMD_C64_FILTER_MODE:
|
|
chan[c.chan].filtControl=c.value&7;
|
|
updateFilter(c.chan);
|
|
break;
|
|
case DIV_CMD_C64_RESET_MASK:
|
|
chan[c.chan].resetMask=c.value;
|
|
break;
|
|
case DIV_CMD_C64_FILTER_RESET:
|
|
if (c.value&15) {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_SID2);
|
|
if (ins->c64.initFilter) {
|
|
chan[c.chan].filtCut=ins->c64.cut;
|
|
updateFilter(c.chan);
|
|
}
|
|
}
|
|
chan[c.chan].resetFilter=c.value>>4;
|
|
break;
|
|
case DIV_CMD_C64_DUTY_RESET:
|
|
if (c.value&15) {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_SID2);
|
|
chan[c.chan].duty=ins->c64.duty;
|
|
rWrite(c.chan*7+2,chan[c.chan].duty&0xff);
|
|
rWrite(c.chan*7+3,(chan[c.chan].duty>>8) | (chan[c.chan].outVol << 4));
|
|
}
|
|
chan[c.chan].resetDuty=c.value>>4;
|
|
break;
|
|
case DIV_CMD_C64_EXTENDED:
|
|
switch (c.value>>4) {
|
|
case 0:
|
|
chan[c.chan].attack=c.value&15;
|
|
rWrite(c.chan*7+5,(chan[c.chan].attack<<4)|(chan[c.chan].decay));
|
|
break;
|
|
case 1:
|
|
chan[c.chan].decay=c.value&15;
|
|
rWrite(c.chan*7+5,(chan[c.chan].attack<<4)|(chan[c.chan].decay));
|
|
break;
|
|
case 2:
|
|
chan[c.chan].sustain=c.value&15;
|
|
rWrite(c.chan*7+6,(chan[c.chan].sustain<<4)|(chan[c.chan].release));
|
|
break;
|
|
case 3:
|
|
chan[c.chan].release=c.value&15;
|
|
rWrite(c.chan*7+6,(chan[c.chan].sustain<<4)|(chan[c.chan].release));
|
|
break;
|
|
case 4:
|
|
chan[c.chan].ring=c.value;
|
|
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|0|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
|
|
break;
|
|
case 5:
|
|
chan[c.chan].sync=c.value;
|
|
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|0|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
|
|
break;
|
|
case 6:
|
|
chan[c.chan].filtControl = c.value;
|
|
updateFilter(c.chan);
|
|
break;
|
|
case 7:
|
|
chan[c.chan].mix_mode=(c.value & 3);
|
|
rWrite(0x1f, (chan[0].mix_mode) | (chan[1].mix_mode << 2) | (chan[2].mix_mode << 4) | ((chan[2].freq >> 16) << 6));
|
|
break;
|
|
case 8:
|
|
chan[c.chan].noise_mode=(c.value & 3);
|
|
chan[c.chan].freqChanged = true;
|
|
rWrite(0x1e, (chan[0].noise_mode) | (chan[1].noise_mode << 2) | (chan[2].noise_mode << 4) | ((chan[0].freq >> 16) << 6) | ((chan[1].freq >> 16) << 7));
|
|
break;
|
|
case 9: //phase reset
|
|
chan[c.chan].test=true;
|
|
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|(chan[c.chan].test << 3)|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
|
|
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|0|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
|
|
chan[c.chan].test = false;
|
|
break;
|
|
case 0xa: //envelope on/off
|
|
chan[c.chan].gate=(c.value & 1);
|
|
rWrite(c.chan*7+4,(chan[c.chan].wave<<4)|0|(chan[c.chan].ring<<2)|(chan[c.chan].sync<<1)|(int)(chan[c.chan].active && chan[c.chan].gate));
|
|
break;
|
|
case 0xb: //filter on/off
|
|
chan[c.chan].filter=(c.value & 1);
|
|
updateFilter(c.chan);
|
|
break;
|
|
}
|
|
break;
|
|
case DIV_CMD_C64_PW_SLIDE:
|
|
chan[c.chan].pw_slide = c.value * c.value2;
|
|
break;
|
|
case DIV_CMD_C64_CUTOFF_SLIDE:
|
|
chan[c.chan].cutoff_slide = c.value * c.value2;
|
|
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;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformSID2::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
sid2->set_is_muted(ch,mute);
|
|
}
|
|
|
|
void DivPlatformSID2::forceIns() {
|
|
for (int i=0; i<3; i++) {
|
|
chan[i].insChanged=true;
|
|
if (chan[i].active) {
|
|
chan[i].keyOn=true;
|
|
chan[i].freqChanged=true;
|
|
}
|
|
updateFilter(i);
|
|
}
|
|
}
|
|
|
|
void DivPlatformSID2::notifyInsChange(int ins) {
|
|
for (int i=0; i<3; i++) {
|
|
if (chan[i].ins==ins) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformSID2::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<3; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void* DivPlatformSID2::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformSID2::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivChannelModeHints DivPlatformSID2::getModeHints(int ch) {
|
|
DivChannelModeHints ret;
|
|
ret.count=1;
|
|
ret.hint[0]=ICON_FA_BELL_SLASH_O;
|
|
ret.type[0]=0;
|
|
if (ch == 2 && (chan[ch].filtControl & 8)) {
|
|
ret.type[0] = 7;
|
|
}
|
|
else if (!chan[ch].gate) {
|
|
ret.type[0]=4;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformSID2::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformSID2::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformSID2::getRegisterPoolSize() {
|
|
return 32;
|
|
}
|
|
|
|
bool DivPlatformSID2::getDCOffRequired() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformSID2::getWantPreNote() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformSID2::isVolGlobal() {
|
|
return true;
|
|
}
|
|
|
|
float DivPlatformSID2::getPostAmp() {
|
|
return 1.0f;
|
|
}
|
|
|
|
void DivPlatformSID2::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
for (int i=0; i<3; i++) {
|
|
chan[i]=DivPlatformSID2::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
fakeLow[i]=0;
|
|
fakeBand[i]=0;
|
|
chan[i].vol = 15;
|
|
|
|
chan[i].filtControl = 7;
|
|
chan[i].filtRes = 0;
|
|
chan[i].filtCut = 4095;
|
|
|
|
chan[i].noise_mode = 0;
|
|
|
|
rWrite(0x3 + 7 * i,0xf0);
|
|
|
|
chan[i].cutoff_slide = 0;
|
|
chan[i].pw_slide = 0;
|
|
}
|
|
|
|
sid2->reset();
|
|
memset(regPool,0,32);
|
|
|
|
chanOrder[0]=0;
|
|
chanOrder[1]=1;
|
|
chanOrder[2]=2;
|
|
}
|
|
|
|
void DivPlatformSID2::poke(unsigned int addr, unsigned short val) {
|
|
rWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformSID2::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
|
}
|
|
|
|
void DivPlatformSID2::setFlags(const DivConfig& flags) {
|
|
switch (flags.getInt("clockSel",0)) {
|
|
case 0x0: // NTSC C64
|
|
chipClock=COLOR_NTSC*2.0/7.0;
|
|
break;
|
|
case 0x1: // PAL C64
|
|
chipClock=COLOR_PAL*2.0/9.0;
|
|
break;
|
|
case 0x2: // SSI 2001
|
|
default:
|
|
chipClock=14318180.0/16.0;
|
|
break;
|
|
}
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock;
|
|
for (int i=0; i<3; i++) {
|
|
oscBuf[i]->rate=rate/16;
|
|
}
|
|
keyPriority=flags.getBool("keyPriority",true);
|
|
|
|
// init fake filter table
|
|
// taken from dSID
|
|
double cutRatio=-2.0*3.14*(12500.0/256.0)/(double)oscBuf[0]->rate;
|
|
|
|
for (int i=0; i<4095; i++)
|
|
{
|
|
double c=(double)i/16.0+0.2;
|
|
c=1-exp(c*cutRatio);
|
|
fakeCutTable[i]=c;
|
|
}
|
|
}
|
|
|
|
int DivPlatformSID2::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
needInitTables=true;
|
|
writeOscBuf=0;
|
|
|
|
for (int i=0; i<3; i++)
|
|
{
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
|
|
sid2=new SID2;
|
|
|
|
sid2->set_chip_model(MOS8580_2);
|
|
|
|
setFlags(flags);
|
|
|
|
reset();
|
|
|
|
return 3;
|
|
}
|
|
|
|
void DivPlatformSID2::quit() {
|
|
for (int i=0; i<3; i++)
|
|
{
|
|
delete oscBuf[i];
|
|
}
|
|
if (sid2!=NULL) delete sid2;
|
|
}
|
|
|
|
DivPlatformSID2::~DivPlatformSID2() {
|
|
}
|