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888 lines
27 KiB
C++
888 lines
27 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 "genesisext.h"
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#include "../engine.h"
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#include "../../ta-log.h"
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#include <math.h>
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#define CHIP_FREQBASE fmFreqBase
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#define CHIP_DIVIDER fmDivBase
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#define IS_REALLY_MUTED(x) (isMuted[x] && (x<5 || !softPCM || (isMuted[5] && isMuted[6])))
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void DivPlatformGenesisExt::commitStateExt(int ch, DivInstrument* ins) {
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int ordch=orderedOps[ch];
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if (opChan[ch].insChanged) {
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chan[2].state.alg=ins->fm.alg;
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if (ch==0 || fbAllOps) {
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chan[2].state.fb=ins->fm.fb;
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}
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chan[2].state.fms=ins->fm.fms;
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chan[2].state.ams=ins->fm.ams;
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chan[2].state.op[ordch]=ins->fm.op[ordch];
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}
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unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
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DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
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// TODO: how does this work?!
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if (isOpMuted[ch] || !op.enable) {
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rWrite(baseAddr+0x40,127);
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} else {
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if (opChan[ch].insChanged) {
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rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
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}
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}
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if (opChan[ch].insChanged) {
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rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
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rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
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rWrite(baseAddr+0x60,(op.dr&31)|(op.am<<7));
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rWrite(baseAddr+0x70,op.d2r&31);
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rWrite(baseAddr+0x80,(op.rr&15)|(op.sl<<4));
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rWrite(baseAddr+0x90,op.ssgEnv&15);
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opChan[ch].mask=op.enable;
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}
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if (opChan[ch].insChanged) { // TODO how does this work?
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rWrite(chanOffs[2]+0xb0,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
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rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
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}
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}
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int DivPlatformGenesisExt::dispatch(DivCommand c) {
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if (c.chan<2) {
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return DivPlatformGenesis::dispatch(c);
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}
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if (c.chan>5) {
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c.chan-=3;
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return DivPlatformGenesis::dispatch(c);
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}
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int ch=c.chan-2;
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int ordch=orderedOps[ch];
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if (!extMode) {
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c.chan=2;
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return DivPlatformGenesis::dispatch(c);
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}
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switch (c.cmd) {
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case DIV_CMD_NOTE_ON: {
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DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
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if (noExtMacros) {
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opChan[ch].macroInit(NULL);
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} else {
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opChan[ch].macroInit(ins);
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}
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if (!opChan[ch].std.vol.will) {
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opChan[ch].outVol=opChan[ch].vol;
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}
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commitStateExt(ch,ins);
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opChan[ch].insChanged=false;
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if (c.value!=DIV_NOTE_NULL) {
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opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
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opChan[ch].portaPause=false;
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opChan[ch].note=c.value;
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opChan[ch].freqChanged=true;
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}
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opChan[ch].keyOn=true;
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opChan[ch].active=true;
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break;
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}
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case DIV_CMD_NOTE_OFF:
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opChan[ch].keyOff=true;
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opChan[ch].keyOn=false;
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opChan[ch].active=false;
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break;
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case DIV_CMD_NOTE_OFF_ENV:
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if (noExtMacros) break;
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opChan[ch].keyOff=true;
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opChan[ch].keyOn=false;
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opChan[ch].active=false;
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opChan[ch].std.release();
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break;
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case DIV_CMD_ENV_RELEASE:
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if (noExtMacros) break;
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opChan[ch].std.release();
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break;
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case DIV_CMD_VOLUME: {
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opChan[ch].vol=c.value;
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if (!opChan[ch].std.vol.has) {
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opChan[ch].outVol=c.value;
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}
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unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
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DivInstrumentFM::Operator& op=chan[2].state.op[ordch];
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if (isOpMuted[ch] || !op.enable) {
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rWrite(baseAddr+0x40,127);
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} else {
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rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
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}
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break;
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}
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case DIV_CMD_GET_VOLUME: {
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return opChan[ch].vol;
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break;
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}
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case DIV_CMD_INSTRUMENT:
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if (opChan[ch].ins!=c.value || c.value2==1) {
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opChan[ch].insChanged=true;
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}
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opChan[ch].ins=c.value;
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chan[extChanOffs].ins=opChan[ch].ins;
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break;
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case DIV_CMD_PANNING: {
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if (c.value==0 && c.value2==0) {
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opChan[ch].pan=3;
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} else {
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opChan[ch].pan=(c.value2>0)|((c.value>0)<<1);
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}
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if (parent->song.sharedExtStat) {
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for (int i=0; i<4; i++) {
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if (ch==i) continue;
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opChan[i].pan=opChan[ch].pan;
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}
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}
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rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
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lastExtChPan=opChan[ch].pan;
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break;
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}
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case DIV_CMD_PITCH: {
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opChan[ch].pitch=c.value;
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opChan[ch].freqChanged=true;
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break;
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}
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case DIV_CMD_NOTE_PORTA: {
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if (parent->song.linearPitch==2) {
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int destFreq=NOTE_FREQUENCY(c.value2);
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bool return2=false;
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if (destFreq>opChan[ch].baseFreq) {
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opChan[ch].baseFreq+=c.value;
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if (opChan[ch].baseFreq>=destFreq) {
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opChan[ch].baseFreq=destFreq;
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return2=true;
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}
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} else {
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opChan[ch].baseFreq-=c.value;
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if (opChan[ch].baseFreq<=destFreq) {
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opChan[ch].baseFreq=destFreq;
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return2=true;
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}
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}
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opChan[ch].freqChanged=true;
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if (return2) {
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//opChan[ch].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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PLEASE_HELP_ME(opChan[ch]);
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break;
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}
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case DIV_CMD_SAMPLE_MODE: {
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// not ignored actually!
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if (!parent->song.ignoreDACModeOutsideIntendedChannel) {
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chan[5].dacMode=c.value;
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rWrite(0x2b,c.value<<7);
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}
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break;
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}
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case DIV_CMD_SAMPLE_BANK:
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if (!parent->song.ignoreDACModeOutsideIntendedChannel) {
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chan[5].sampleBank=c.value;
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if (chan[5].sampleBank>(parent->song.sample.size()/12)) {
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chan[5].sampleBank=parent->song.sample.size()/12;
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}
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}
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break;
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case DIV_CMD_LEGATO: {
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if (opChan[ch].insChanged) {
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DivInstrument* ins=parent->getIns(opChan[ch].ins,DIV_INS_FM);
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commitStateExt(ch,ins);
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opChan[ch].insChanged=false;
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}
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opChan[ch].baseFreq=NOTE_FNUM_BLOCK(c.value,11);
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opChan[ch].freqChanged=true;
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break;
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}
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case DIV_CMD_FM_EXTCH: {
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if (extMode==(bool)c.value) break;
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extMode=c.value;
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immWrite(0x27,extMode?0x40:0);
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if (!extMode) {
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for (int i=0; i<4; i++) {
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opChan[i].insChanged=true;
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}
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chan[extChanOffs].insChanged=true;
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}
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break;
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}
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case DIV_CMD_FM_LFO: {
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lfoValue=(c.value&7)|((c.value>>4)<<3);
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rWrite(0x22,lfoValue);
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break;
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}
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case DIV_CMD_FM_FB: {
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chan[2].state.fb=c.value&7;
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rWrite(chanOffs[2]+ADDR_FB_ALG,(chan[2].state.alg&7)|(chan[2].state.fb<<3));
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break;
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}
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case DIV_CMD_FM_MULT: {
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.mult=c.value2&15;
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rWrite(baseAddr+0x30,(op.mult&15)|(dtTable[op.dt&7]<<4));
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break;
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}
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case DIV_CMD_FM_TL: {
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.tl=c.value2;
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if (isOpMuted[ch] || !op.enable) {
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rWrite(baseAddr+0x40,127);
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} else if (KVS(2,c.value)) {
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rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[ch].outVol&0x7f,127));
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} else {
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rWrite(baseAddr+0x40,op.tl);
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}
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break;
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}
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case DIV_CMD_FM_AR: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.ar=c.value2&31;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
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}
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} else {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.ar=c.value2&31;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+0x50,(op.ar&31)|(op.rs<<6));
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}
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break;
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}
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case DIV_CMD_FM_RS: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.rs=c.value2&3;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.rs=c.value2&3;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
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}
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break;
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}
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case DIV_CMD_FM_AM: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.am=c.value2&1;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.am=c.value2&1;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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}
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break;
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}
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case DIV_CMD_FM_DR: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.dr=c.value2&31;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.dr=c.value2&31;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
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}
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break;
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}
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case DIV_CMD_FM_SL: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.sl=c.value2&15;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.sl=c.value2&15;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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}
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break;
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}
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case DIV_CMD_FM_RR: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.rr=c.value2&15;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.rr=c.value2&15;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
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}
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break;
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}
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case DIV_CMD_FM_D2R: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.d2r=c.value2&31;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.d2r=c.value2&31;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
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}
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break;
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}
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case DIV_CMD_FM_DT: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.dt=c.value&7;
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.dt=c.value2&7;
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
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}
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break;
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}
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case DIV_CMD_FM_SSG: {
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if (c.value<0) {
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for (int i=0; i<4; i++) {
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DivInstrumentFM::Operator& op=chan[2].state.op[i];
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op.ssgEnv=8^(c.value2&15);
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unsigned short baseAddr=chanOffs[2]|opOffs[i];
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rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
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}
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} else if (c.value<4) {
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DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[c.value]];
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op.ssgEnv=8^(c.value2&15);
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unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[c.value]];
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rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
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}
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break;
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}
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case DIV_CMD_FM_HARD_RESET:
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opChan[ch].hardReset=c.value;
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break;
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case DIV_CMD_GET_VOLMAX:
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return 127;
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break;
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case DIV_CMD_MACRO_OFF:
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opChan[ch].std.mask(c.value,true);
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break;
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case DIV_CMD_MACRO_ON:
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opChan[ch].std.mask(c.value,false);
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break;
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case DIV_ALWAYS_SET_VOLUME:
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return 0;
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break;
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case DIV_CMD_PRE_PORTA:
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break;
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default:
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//printf("WARNING: unimplemented command %d\n",c.cmd);
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break;
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}
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return 1;
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}
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void DivPlatformGenesisExt::muteChannel(int ch, bool mute) {
|
|
if (ch<2) {
|
|
DivPlatformGenesis::muteChannel(ch,mute);
|
|
return;
|
|
}
|
|
if (ch>5) {
|
|
DivPlatformGenesis::muteChannel(ch-3,mute);
|
|
return;
|
|
}
|
|
isOpMuted[ch-2]=mute;
|
|
|
|
DivPlatformGenesis::muteChannel(extChanOffs,IS_EXTCH_MUTED);
|
|
|
|
if (extMode) {
|
|
for (int i=0; i<4; i++) {
|
|
int ordch=orderedOps[i];
|
|
unsigned short baseAddr=chanOffs[2]|opOffs[ordch];
|
|
DivInstrumentFM::Operator op=chan[2].state.op[ordch];
|
|
if (isOpMuted[i] || !op.enable) {
|
|
rWrite(baseAddr+0x40,127);
|
|
} else {
|
|
rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[i].outVol&0x7f,127));
|
|
}
|
|
}
|
|
|
|
rWrite(chanOffs[2]+0xb4,(IS_EXTCH_MUTED?0:(opChan[ch-2].pan<<6))|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
|
|
}
|
|
}
|
|
|
|
static int opChanOffsL[4]={
|
|
0xa9, 0xaa, 0xa8, 0xa2
|
|
};
|
|
|
|
static int opChanOffsH[4]={
|
|
0xad, 0xae, 0xac, 0xa6
|
|
};
|
|
|
|
void DivPlatformGenesisExt::tick(bool sysTick) {
|
|
int hardResetElapsed=0;
|
|
bool mustHardReset=false;
|
|
|
|
if (extMode) {
|
|
bool writeSomething=false;
|
|
unsigned char writeMask=2;
|
|
for (int i=0; i<4; i++) {
|
|
writeMask|=(unsigned char)(opChan[i].mask && opChan[i].active)<<(4+i);
|
|
if (opChan[i].keyOn || opChan[i].keyOff) {
|
|
writeSomething=true;
|
|
writeMask&=~(1<<(4+i));
|
|
opChan[i].keyOff=false;
|
|
}
|
|
if (opChan[i].hardReset && opChan[i].keyOn) {
|
|
mustHardReset=true;
|
|
unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[i];
|
|
immWrite(baseAddr+ADDR_SL_RR,0x0f);
|
|
hardResetElapsed++;
|
|
}
|
|
}
|
|
if (writeSomething) {
|
|
if (chan[csmChan].active) { // CSM
|
|
writeMask^=0xf0;
|
|
}
|
|
immWrite(0x28,writeMask);
|
|
}
|
|
}
|
|
|
|
if (extMode && !noExtMacros) for (int i=0; i<4; i++) {
|
|
opChan[i].std.next();
|
|
|
|
if (opChan[i].std.vol.had) {
|
|
opChan[i].outVol=VOL_SCALE_LOG_BROKEN(opChan[i].vol,MIN(127,opChan[i].std.vol.val),127);
|
|
unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[i]];
|
|
DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[i]];
|
|
if (isOpMuted[i]) {
|
|
rWrite(baseAddr+ADDR_TL,127);
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[i].outVol&0x7f,127));
|
|
}
|
|
}
|
|
|
|
if (opChan[i].std.arp.had) {
|
|
if (!opChan[i].inPorta) {
|
|
opChan[i].baseFreq=NOTE_FNUM_BLOCK(parent->calcArp(opChan[i].note,opChan[i].std.arp.val),11);
|
|
}
|
|
opChan[i].freqChanged=true;
|
|
}
|
|
|
|
if (opChan[i].std.pitch.had) {
|
|
if (opChan[i].std.pitch.mode) {
|
|
opChan[i].pitch2+=opChan[i].std.pitch.val;
|
|
CLAMP_VAR(opChan[i].pitch2,-1048576,1048575);
|
|
} else {
|
|
opChan[i].pitch2=opChan[i].std.pitch.val;
|
|
}
|
|
opChan[i].freqChanged=true;
|
|
}
|
|
|
|
// channel macros
|
|
if (opChan[i].std.alg.had) {
|
|
chan[extChanOffs].state.alg=opChan[i].std.alg.val;
|
|
rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
|
|
if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
|
|
unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[j];
|
|
DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[j];
|
|
if (isOpMuted[j] || !op.enable) {
|
|
rWrite(baseAddr+0x40,127);
|
|
} else {
|
|
rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[j].outVol&0x7f,127));
|
|
}
|
|
}
|
|
}
|
|
if (i==0 || fbAllOps) {
|
|
if (opChan[i].std.fb.had) {
|
|
chan[extChanOffs].state.fb=opChan[i].std.fb.val;
|
|
rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
|
|
}
|
|
}
|
|
if (opChan[i].std.fms.had) {
|
|
chan[extChanOffs].state.fms=opChan[i].std.fms.val;
|
|
rWrite(chanOffs[extChanOffs]+ADDR_LRAF,(IS_EXTCH_MUTED?0:(opChan[i].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
|
|
}
|
|
if (opChan[i].std.ams.had) {
|
|
chan[extChanOffs].state.ams=opChan[i].std.ams.val;
|
|
rWrite(chanOffs[extChanOffs]+ADDR_LRAF,(IS_EXTCH_MUTED?0:(opChan[i].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
|
|
}
|
|
if (opChan[i].std.ex3.had) {
|
|
lfoValue=(opChan[i].std.ex3.val>7)?0:(8|(opChan[i].std.ex3.val&7));
|
|
rWrite(0x22,lfoValue);
|
|
}
|
|
|
|
if (opChan[i].std.panL.had) {
|
|
opChan[i].pan=opChan[i].std.panL.val&3;
|
|
if (parent->song.sharedExtStat) {
|
|
for (int j=0; j<4; j++) {
|
|
if (i==j) continue;
|
|
opChan[j].pan=opChan[i].pan;
|
|
}
|
|
}
|
|
rWrite(chanOffs[extChanOffs]+ADDR_LRAF,(IS_EXTCH_MUTED?0:(opChan[i].pan<<6))|(chan[extChanOffs].state.fms&7)|((chan[extChanOffs].state.ams&3)<<4));
|
|
}
|
|
|
|
// param macros
|
|
unsigned short baseAddr=chanOffs[2]|opOffs[orderedOps[i]];
|
|
DivInstrumentFM::Operator& op=chan[2].state.op[orderedOps[i]];
|
|
DivMacroInt::IntOp& m=opChan[i].std.op[orderedOps[i]];
|
|
if (m.am.had) {
|
|
op.am=m.am.val;
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
}
|
|
if (m.ar.had) {
|
|
op.ar=m.ar.val;
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
if (m.dr.had) {
|
|
op.dr=m.dr.val;
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
}
|
|
if (m.mult.had) {
|
|
op.mult=m.mult.val;
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
}
|
|
if (m.rr.had) {
|
|
op.rr=m.rr.val;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
}
|
|
if (m.sl.had) {
|
|
op.sl=m.sl.val;
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
}
|
|
if (m.tl.had) {
|
|
op.tl=m.tl.val;
|
|
if (isOpMuted[i]) {
|
|
rWrite(baseAddr+ADDR_TL,127);
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[i].outVol&0x7f,127));
|
|
}
|
|
}
|
|
if (m.rs.had) {
|
|
op.rs=m.rs.val;
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
}
|
|
if (m.dt.had) {
|
|
op.dt=m.dt.val;
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
}
|
|
if (m.d2r.had) {
|
|
op.d2r=m.d2r.val;
|
|
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
|
|
}
|
|
if (m.ssg.had) {
|
|
op.ssgEnv=m.ssg.val;
|
|
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
|
|
}
|
|
}
|
|
|
|
DivPlatformGenesis::tick(sysTick);
|
|
|
|
bool writeNoteOn=false;
|
|
unsigned char writeMask=2;
|
|
unsigned char hardResetMask=0;
|
|
if (extMode) for (int i=0; i<4; i++) {
|
|
if (opChan[i].freqChanged) {
|
|
if (parent->song.linearPitch==2) {
|
|
opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,2,opChan[i].pitch2,chipClock,CHIP_FREQBASE,11);
|
|
} else {
|
|
int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,2,opChan[i].pitch2);
|
|
int block=(opChan[i].baseFreq&0xf800)>>11;
|
|
if (fNum<0) fNum=0;
|
|
if (fNum>2047) {
|
|
while (block<7) {
|
|
fNum>>=1;
|
|
block++;
|
|
}
|
|
if (fNum>2047) fNum=2047;
|
|
}
|
|
opChan[i].freq=(block<<11)|fNum;
|
|
}
|
|
if (opChan[i].freq>0x3fff) opChan[i].freq=0x3fff;
|
|
immWrite(opChanOffsH[i],opChan[i].freq>>8);
|
|
immWrite(opChanOffsL[i],opChan[i].freq&0xff);
|
|
opChan[i].freqChanged=false;
|
|
}
|
|
writeMask|=(unsigned char)(opChan[i].mask && opChan[i].active)<<(4+i);
|
|
if (opChan[i].keyOn) {
|
|
writeNoteOn=true;
|
|
if (opChan[i].mask) {
|
|
writeMask|=1<<(4+i);
|
|
if (opChan[i].hardReset) {
|
|
hardResetMask|=1<<(4+i);
|
|
}
|
|
}
|
|
if (!opChan[i].hardReset) {
|
|
opChan[i].keyOn=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (extMode) {
|
|
if (chan[csmChan].freqChanged) {
|
|
chan[csmChan].freq=parent->calcFreq(chan[csmChan].baseFreq,chan[csmChan].pitch,chan[csmChan].fixedArp?chan[csmChan].baseNoteOverride:chan[csmChan].arpOff,chan[csmChan].fixedArp,true,0,chan[csmChan].pitch2,chipClock,CHIP_DIVIDER);
|
|
if (chan[csmChan].freq<1) chan[csmChan].freq=1;
|
|
if (chan[csmChan].freq>1024) chan[csmChan].freq=1024;
|
|
int wf=0x400-chan[csmChan].freq;
|
|
immWrite(0x24,wf>>2);
|
|
immWrite(0x25,wf&3);
|
|
chan[csmChan].freqChanged=false;
|
|
}
|
|
|
|
if (chan[csmChan].keyOff || chan[csmChan].keyOn) {
|
|
writeNoteOn=true;
|
|
for (int i=0; i<4; i++) {
|
|
writeMask|=opChan[i].active<<(4+i);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (writeNoteOn) {
|
|
if (chan[csmChan].active) { // CSM
|
|
writeMask^=0xf0;
|
|
}
|
|
writeMask^=hardResetMask;
|
|
immWrite(0x28,writeMask);
|
|
writeMask^=hardResetMask;
|
|
|
|
// hard reset handling
|
|
if (mustHardReset) {
|
|
for (unsigned int i=hardResetElapsed; i<hardResetCycles; i++) {
|
|
immWrite(0xf0,i&0xff);
|
|
}
|
|
for (int i=0; i<4; i++) {
|
|
if (opChan[i].keyOn && opChan[i].hardReset) {
|
|
// restore SL/RR
|
|
unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[i];
|
|
DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[i];
|
|
immWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
opChan[i].keyOn=false;
|
|
}
|
|
}
|
|
immWrite(0x28,writeMask);
|
|
}
|
|
}
|
|
|
|
if (extMode) {
|
|
if (chan[csmChan].keyOn) {
|
|
immWrite(0x27,0x81);
|
|
chan[csmChan].keyOn=false;
|
|
}
|
|
if (chan[csmChan].keyOff) {
|
|
immWrite(0x27,0x40);
|
|
chan[csmChan].keyOff=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformGenesisExt::forceIns() {
|
|
for (int i=0; i<6; i++) {
|
|
for (int j=0; j<4; j++) {
|
|
unsigned short baseAddr=chanOffs[i]|opOffs[j];
|
|
DivInstrumentFM::Operator& op=chan[i].state.op[j];
|
|
if (i==2 && extMode) { // extended channel
|
|
if (isOpMuted[orderedOps[j]] || !op.enable) {
|
|
rWrite(baseAddr+0x40,127);
|
|
} else if (KVS(i,j)) {
|
|
rWrite(baseAddr+0x40,127-VOL_SCALE_LOG_BROKEN(127-op.tl,opChan[orderedOps[j]].outVol&0x7f,127));
|
|
} else {
|
|
rWrite(baseAddr+0x40,op.tl);
|
|
}
|
|
} else {
|
|
if (isMuted[i]) {
|
|
rWrite(baseAddr+ADDR_TL,127);
|
|
} else {
|
|
if (KVS(i,j)) {
|
|
rWrite(baseAddr+ADDR_TL,127-VOL_SCALE_LOG_BROKEN(127-op.tl,chan[i].outVol&0x7f,127));
|
|
} else {
|
|
rWrite(baseAddr+ADDR_TL,op.tl);
|
|
}
|
|
}
|
|
}
|
|
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
|
|
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
|
|
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
|
|
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
|
|
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
|
|
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
|
|
}
|
|
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
|
|
if (i==2) {
|
|
rWrite(chanOffs[i]+ADDR_LRAF,(IS_EXTCH_MUTED?0:(lastExtChPan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
|
|
} else {
|
|
rWrite(chanOffs[i]+ADDR_LRAF,(IS_REALLY_MUTED(i)?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
|
|
}
|
|
if (chan[i].active) {
|
|
chan[i].keyOn=true;
|
|
chan[i].freqChanged=true;
|
|
}
|
|
}
|
|
if (chan[5].dacMode) {
|
|
chan[5].dacSample=-1;
|
|
chan[6].dacSample=-1;
|
|
rWrite(0x2b,0x80);
|
|
}
|
|
immWrite(0x22,lfoValue);
|
|
for (int i=0; i<4; i++) {
|
|
opChan[i].insChanged=true;
|
|
if (opChan[i].active) {
|
|
opChan[i].keyOn=true;
|
|
opChan[i].freqChanged=true;
|
|
}
|
|
}
|
|
if (extMode && chan[csmChan].active) { // CSM
|
|
chan[csmChan].insChanged=true;
|
|
chan[csmChan].freqChanged=true;
|
|
chan[csmChan].keyOn=true;
|
|
}
|
|
if (!extMode) {
|
|
immWrite(0x27,0x00);
|
|
}
|
|
}
|
|
|
|
void* DivPlatformGenesisExt::getChanState(int ch) {
|
|
if (ch>=6) return &chan[ch-3];
|
|
if (ch>=2) return &opChan[ch-2];
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformGenesisExt::getChanMacroInt(int ch) {
|
|
if (ch>=6) return &chan[ch-3].std;
|
|
if (ch>=2) return &opChan[ch-2].std;
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
unsigned short DivPlatformGenesisExt::getPan(int ch) {
|
|
if (ch==csmChan) return 0;
|
|
if (ch>=4+extChanOffs) return DivPlatformGenesis::getPan(ch-3);
|
|
if (ch>=extChanOffs) {
|
|
if (extMode) {
|
|
return ((lastExtChPan&2)<<7)|(lastExtChPan&1);
|
|
} else {
|
|
return DivPlatformGenesis::getPan(extChanOffs);
|
|
}
|
|
}
|
|
return DivPlatformGenesis::getPan(ch);
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformGenesisExt::getOscBuffer(int ch) {
|
|
if (ch>=6) return oscBuf[ch-3];
|
|
if (ch<3) return oscBuf[ch];
|
|
return NULL;
|
|
}
|
|
|
|
void DivPlatformGenesisExt::reset() {
|
|
DivPlatformGenesis::reset();
|
|
|
|
for (int i=0; i<4; i++) {
|
|
opChan[i]=DivPlatformOPN::OPNOpChannelStereo();
|
|
opChan[i].std.setEngine(parent);
|
|
opChan[i].vol=127;
|
|
opChan[i].outVol=127;
|
|
}
|
|
|
|
lastExtChPan=3;
|
|
|
|
// channel 3 mode
|
|
immWrite(0x27,0x40);
|
|
extMode=true;
|
|
}
|
|
|
|
bool DivPlatformGenesisExt::keyOffAffectsArp(int ch) {
|
|
return (ch>8);
|
|
}
|
|
|
|
bool DivPlatformGenesisExt::keyOffAffectsPorta(int ch) {
|
|
return (ch>8);
|
|
}
|
|
|
|
void DivPlatformGenesisExt::notifyInsChange(int ins) {
|
|
DivPlatformGenesis::notifyInsChange(ins);
|
|
for (int i=0; i<4; i++) {
|
|
if (opChan[i].ins==ins) {
|
|
opChan[i].insChanged=true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformGenesisExt::notifyInsDeletion(void* ins) {
|
|
DivPlatformGenesis::notifyInsDeletion(ins);
|
|
for (int i=0; i<4; i++) {
|
|
opChan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
int DivPlatformGenesisExt::getPortaFloor(int ch) {
|
|
return (ch>8)?12:0;
|
|
}
|
|
|
|
void DivPlatformGenesisExt::setCSMChannel(unsigned char ch) {
|
|
csmChan=ch;
|
|
}
|
|
|
|
int DivPlatformGenesisExt::init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags) {
|
|
DivPlatformGenesis::init(parent,channels,sugRate,flags);
|
|
for (int i=0; i<4; i++) {
|
|
isOpMuted[i]=false;
|
|
}
|
|
extSys=true;
|
|
|
|
reset();
|
|
return 13;
|
|
}
|
|
|
|
void DivPlatformGenesisExt::quit() {
|
|
DivPlatformGenesis::quit();
|
|
}
|
|
|
|
DivPlatformGenesisExt::~DivPlatformGenesisExt() {
|
|
}
|