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furnace/src/engine/platform/esfm.cpp
tildearrow f8187b9a5f dev191 - kind of remove DIV_ALWAYS_SET_VOLUME 
it's useless crap I put during the Defle compat days
it serves nearly no purpose nowadays

also why is it a command?
2024-01-16 23:54:32 -05:00

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2024 tildearrow and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "esfm.h"
#include "../engine.h"
#include "../../ta-log.h"
#include <string.h>
#include <stdio.h>
#include <math.h>
#define CHIP_FREQBASE (32768*288)
#define ADDR_AM_VIB_SUS_KSR_MULT 0x00
#define ADDR_KSL_TL 0x01
#define ADDR_AR_DR 0x02
#define ADDR_SL_RR 0x03
#define ADDR_FREQL 0x04
#define ADDR_FREQH_BLOCK_DELAY 0x05
#define ADDR_DAM_DVB_LEFT_RIGHT_MODIN 0x06
#define ADDR_OUTLVL_NOISE_WS 0x07
#define KEY_ON_REGS_START (18*8*4)
void DivPlatformESFM::acquire(short** buf, size_t len) {
thread_local short o[2];
for (size_t h=0; h<len; h++) {
if (!writes.empty()) {
QueuedWrite& w=writes.front();
ESFM_write_reg_buffered_fast(&chip,w.addr,w.val);
if (w.addr<ESFM_REG_POOL_SIZE) {
regPool[w.addr]=w.val;
}
writes.pop();
}
ESFM_generate(&chip,o);
for (int c=0; c<18; c++) {
oscBuf[c]->data[oscBuf[c]->needle++]=ESFM_get_channel_output_native(&chip,c);
}
buf[0][h]=o[0];
buf[1][h]=o[1];
}
}
void DivPlatformESFM::tick(bool sysTick) {
for (int i=0; i<18; i++) {
chan[i].std.next();
if (chan[i].std.vol.had) {
chan[i].outVol=VOL_SCALE_LOG_BROKEN(chan[i].vol,MIN(63,chan[i].std.vol.val),63);
for (int o=0; o<4; o++) {
unsigned short baseAddr=i*32+o*8;
DivInstrumentFM::Operator& op=chan[i].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[i].state.esfm.op[o];
unsigned char noise=chan[i].state.esfm.noise&3;
if (isMuted[i]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
if (KVS_ES(i,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[i].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
}
}
if (NEW_ARP_STRAT) {
chan[i].handleArp();
} else if (chan[i].std.arp.had) {
if (!chan[i].inPorta) {
chan[i].baseFreq=NOTE_FREQUENCY(parent->calcArp(chan[i].note,chan[i].std.arp.val));
}
chan[i].freqChanged=true;
}
if (chan[i].std.panL.had) {
chan[i].globalPan=((chan[i].std.panL.val&1)<<1)|((chan[i].std.panL.val&2)>>1);
for (int o=0; o<4; o++) {
unsigned short baseAddr=i*32+o*8;
DivInstrumentFM::Operator& op=chan[i].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[i].state.esfm.op[o];
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[i].globalPan)&1)<<4)|(((opE.right&(chan[i].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
}
if (chan[i].std.pitch.had) {
if (chan[i].std.pitch.mode) {
chan[i].pitch2+=chan[i].std.pitch.val;
CLAMP_VAR(chan[i].pitch2,-131071,131071);
} else {
chan[i].pitch2=chan[i].std.pitch.val;
}
chan[i].freqChanged=true;
}
if (chan[i].std.phaseReset.had) {
if (chan[i].std.phaseReset.val==1 && chan[i].active) {
chan[i].keyOn=true;
}
}
if (chan[i].std.duty.had) {
unsigned short baseAddr=i*32+3*8;
DivInstrumentESFM& ins=chan[i].state.esfm;
DivInstrumentFM::Operator& op=chan[i].state.fm.op[3];
DivInstrumentESFM::Operator& opE=chan[i].state.esfm.op[3];
ins.noise=chan[i].std.duty.val;
if (isMuted[i]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((ins.noise&3)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((ins.noise&3)<<3)|((opE.outLvl&7)<<5));
}
}
for (int o=0; o<4; o++) {
unsigned short baseAddr=i*32+o*8;
DivInstrumentFM::Operator& op=chan[i].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[i].state.esfm.op[o];
DivMacroInt::IntOp& m=chan[i].std.op[o];
if (m.am.had) {
op.am=m.am.val;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
if (m.vib.had) {
op.vib=m.vib.val;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
if (m.sus.had) {
op.sus=m.sus.val;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
if (m.ksr.had) {
op.ksr=m.ksr.val;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
if (m.mult.had) {
op.mult=m.mult.val;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
if (m.ar.had) {
op.ar=m.ar.val;
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
}
if (m.dr.had) {
op.dr=m.dr.val;
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
}
if (m.sl.had) {
op.sl=m.sl.val;
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
if (m.rr.had) {
op.rr=m.rr.val;
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
if (m.tl.had || m.ksl.had) {
if (m.tl.had) {
op.tl=m.tl.val&63;
}
if (m.ksl.had) {
op.ksl=m.ksl.val;
}
if (KVS_ES(i,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[i].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
if (m.dam.had) {
op.dam=m.dam.val;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[i].globalPan)&1)<<4)|(((opE.right&(chan[i].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
if (m.dvb.had) {
op.dvb=m.dvb.val;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[i].globalPan)&1)<<4)|(((opE.right&(chan[i].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
if (m.rs.had) {
// operator panning
opE.left=(m.rs.val&2)!=0;
opE.right=(m.rs.val&1)!=0;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[i].globalPan)&1)<<4)|(((opE.right&(chan[i].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
if (m.d2r.had) {
// modIn
opE.modIn=m.d2r.val;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[i].globalPan)&1)<<4)|(((opE.right&(chan[i].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
if (m.egt.had | m.ws.had) {
unsigned char noise=chan[i].state.esfm.noise&3;
if (m.egt.had) {
// outLvl
opE.outLvl=m.egt.val;
}
if (m.ws.had) {
op.ws=m.ws.val;
}
if (isMuted[i]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
}
}
// detune/fixed pitch
if (opE.fixed) {
if (m.ssg.had) {
opE.ct=(opE.ct&(~(7<<2)))|((m.ssg.val&7)<<2);
chan[i].freqChanged=true;
}
if (m.dt.had) {
opE.dt=m.dt.val&0xff;
opE.ct=(opE.ct&(~3))|((m.dt.val>>8)&3);
chan[i].freqChanged=true;
}
} else {
chan[i].handleArpFmOp(0, o);
chan[i].handlePitchFmOp(o);
}
if (m.dt2.had) {
opE.delay=m.dt2.val;
rWrite(baseAddr+ADDR_FREQH_BLOCK_DELAY,chan[i].freqH[o]|(opE.delay<<5));
}
}
}
for (int i=0; i<ESFM_REG_POOL_SIZE; i++) {
if (pendingWrites[i]!=oldWrites[i]) {
immWrite(i,pendingWrites[i]&0xff);
oldWrites[i]=pendingWrites[i];
}
}
int hardResetElapsed=0;
bool mustHardReset=false;
for (int i=0; i<18; i++) {
if (chan[i].keyOn || chan[i].keyOff) {
// logI("chan[%d] key off", i);
if (i<16) {
immWrite(KEY_ON_REGS_START+i, 0);
} else {
// Handle writing to the split key-on registers of channels 16 and 17
immWrite(KEY_ON_REGS_START+16+(i-16)*2, 0);
immWrite(KEY_ON_REGS_START+16+1+(i-16)*2, 0);
}
chan[i].keyOff=false;
}
if (chan[i].hardReset && chan[i].keyOn) {
mustHardReset=true;
// logI("chan[%d] hard reset, slrr := 0x0f", i);
for (int o=0; o<4; o++) {
unsigned short baseAddr=i*32+o*8;
immWrite(baseAddr+ADDR_SL_RR,0x0f);
hardResetElapsed++;
}
}
}
for (int i=0; i<18; i++) {
if (chan[i].freqChanged) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,octave(chan[i].baseFreq)*2,chan[i].pitch2,chipClock,CHIP_FREQBASE);
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>131071) chan[i].freq=131071;
for (int o=0; o<4; o++) {
unsigned short baseAddr=i*32+o*8;
DivInstrumentESFM::Operator& opE=chan[i].state.esfm.op[o];
int ct=(int)opE.ct;
int dt=(int)opE.dt;
if (opE.fixed) {
chan[i].freqL[o]=opE.dt;
chan[i].freqH[o]=opE.ct&0x1f;
} else {
int arp=chan[i].fixedArp?chan[i].baseNoteOverride+ct:chan[i].arpOff+ct;
int pitch2=chan[i].pitch2+dt;
int fixedArp=chan[i].fixedArp;
if(chan[i].opsState[o].hasOpArp) {
arp=chan[i].opsState[o].fixedArp?chan[i].opsState[o].baseNoteOverride+ct:chan[i].opsState[o].arpOff+ct;
fixedArp=chan[i].opsState[o].fixedArp;
}
if(chan[i].opsState[o].hasOpPitch) {
pitch2=chan[i].opsState[o].pitch2+dt;
}
int opFreq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,arp,fixedArp,false,octave(chan[i].baseFreq)*2,pitch2,chipClock,CHIP_FREQBASE);
if (opFreq<0) opFreq=0;
if (opFreq>131071) opFreq=131071;
int freqt=toFreq(opFreq);
chan[i].freqL[o]=freqt&0xff;
chan[i].freqH[o]=freqt>>8;
}
immWrite(baseAddr+ADDR_FREQL,chan[i].freqL[o]);
immWrite(baseAddr+ADDR_FREQH_BLOCK_DELAY,chan[i].freqH[o]|(opE.delay<<5));
hardResetElapsed+=2;
}
chan[i].freqChanged=false;
}
if (chan[i].keyOn && !chan[i].hardReset) {
// logI("chan[%d] soft key on", i);
if (i<16) {
immWrite(KEY_ON_REGS_START+i, 1);
} else {
// Handle writing to the split key-on registers of channels 16 and 17
immWrite(KEY_ON_REGS_START+16+(i-16)*2, 1);
immWrite(KEY_ON_REGS_START+16+1+(i-16)*2, 1);
}
chan[i].keyOn=false;
}
}
if (mustHardReset) {
for (unsigned int i=hardResetElapsed; i<128; i++) {
immWrite(0x25f, i&0xff);
}
for (int i=0; i<18; i++) {
if (chan[i].hardReset && chan[i].keyOn) {
// logI("chan[%d] hard reset key on, writing original slrr back", i);
for (int o=0; o<4; o++) {
unsigned short baseAddr=i*32+o*8;
DivInstrumentFM::Operator& op=chan[i].state.fm.op[o];
immWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
if (i<16) {
immWrite(KEY_ON_REGS_START+i, 1);
} else {
// Handle writing to the split key-on registers of channels 16 and 17
immWrite(KEY_ON_REGS_START+16+(i-16)*2, 1);
immWrite(KEY_ON_REGS_START+16+1+(i-16)*2, 1);
}
chan[i].keyOn=false;
}
}
}
}
int DivPlatformESFM::octave(int freq) {
int result=1;
while (freq>0x3ff) {
freq>>=1;
result<<=1;
}
return result;
}
int DivPlatformESFM::toFreq(int freq) {
int block=0;
while (freq>0x3ff) {
freq>>=1;
block++;
}
return ((block&7)<<10)|(freq&0x3ff);
}
void DivPlatformESFM::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
for (int o=0; o<4; o++) {
unsigned short baseAddr=ch*32+o*8;
DivInstrumentFM::Operator& op=chan[ch].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[ch].state.esfm.op[o];
unsigned char noise=chan[ch].state.esfm.noise&3;
if (isMuted[ch]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
if (KVS_ES(ch,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[ch].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
}
}
void DivPlatformESFM::commitState(int ch, DivInstrument* ins) {
if (chan[ch].insChanged) {
chan[ch].state.fm=ins->fm;
chan[ch].state.esfm=ins->esfm;
for (int o=0; o<4; o++) {
unsigned short baseAddr=ch*32+o*8;
DivInstrumentFM::Operator& op=chan[ch].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[ch].state.esfm.op[o];
unsigned char noise=chan[ch].state.esfm.noise&3;
if (isMuted[ch]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
if (KVS_ES(ch,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[ch].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
rWrite(baseAddr+ADDR_FREQH_BLOCK_DELAY,chan[ch].freqH[o]|(opE.delay<<5));
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[ch].globalPan)&1)<<4)|(((opE.right&(chan[ch].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
}
}
int DivPlatformESFM::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_ESFM);
chan[c.chan].macroInit(ins);
memset(chan[c.chan].opsState, 0, sizeof(chan[c.chan].opsState));
if (!chan[c.chan].std.vol.will) {
chan[c.chan].outVol=chan[c.chan].vol;
}
commitState(c.chan,ins);
chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
}
chan[c.chan].keyOn=true;
chan[c.chan].active=true;
break;
}
case DIV_CMD_NOTE_OFF:
chan[c.chan].keyOff=true;
chan[c.chan].keyOn=false;
break;
case DIV_CMD_NOTE_OFF_ENV:
chan[c.chan].keyOff=true;
chan[c.chan].keyOn=false;
chan[c.chan].std.release();
break;
case DIV_CMD_ENV_RELEASE:
chan[c.chan].std.release();
break;
case DIV_CMD_VOLUME: {
chan[c.chan].vol=c.value;
if (!chan[c.chan].std.vol.has) {
chan[c.chan].outVol=c.value;
}
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
if (KVS_ES(c.chan,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
break;
}
case DIV_CMD_GET_VOLUME:
return chan[c.chan].vol;
break;
case DIV_CMD_INSTRUMENT:
if (chan[c.chan].ins!=c.value || c.value2==1) {
chan[c.chan].insChanged=true;
}
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
chan[c.chan].globalPan=(c.value>0)|((c.value2>0)<<1);
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[c.chan].globalPan)&1)<<4)|(((opE.right&(chan[c.chan].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
break;
}
case DIV_CMD_PITCH:
chan[c.chan].pitch=c.value;
chan[c.chan].freqChanged=true;
break;
case DIV_CMD_NOTE_PORTA: {
int destFreq=NOTE_FREQUENCY(c.value2);
int newFreq;
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
newFreq=chan[c.chan].baseFreq+c.value*((parent->song.linearPitch==2)?1:octave(chan[c.chan].baseFreq));
if (newFreq>=destFreq) {
newFreq=destFreq;
return2=true;
}
} else {
newFreq=chan[c.chan].baseFreq-c.value*((parent->song.linearPitch==2)?1:octave(chan[c.chan].baseFreq));
if (newFreq<=destFreq) {
newFreq=destFreq;
return2=true;
}
}
if (!chan[c.chan].portaPause && parent->song.linearPitch!=2) {
if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
chan[c.chan].portaPause=true;
break;
}
}
chan[c.chan].baseFreq=newFreq;
chan[c.chan].portaPause=false;
chan[c.chan].freqChanged=true;
if (return2) {
chan[c.chan].inPorta=false;
return 2;
}
break;
}
case DIV_CMD_LEGATO: {
if (chan[c.chan].insChanged) {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_ESFM);
commitState(c.chan,ins);
chan[c.chan].insChanged=false;
}
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_FM_MULT: {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.mult=c.value2&15;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
break;
}
case DIV_CMD_FM_TL: {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.tl=c.value2&63;
if (KVS_ES(c.chan,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
break;
}
case DIV_CMD_FM_AR: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.ar=c.value2&15;
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.ar=c.value2&15;
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
}
break;
}
case DIV_CMD_FM_DR: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.dr=c.value2&15;
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.dr=c.value2&15;
rWrite(baseAddr+ADDR_AR_DR,(op.ar<<4)|(op.dr&0xf));
}
break;
}
case DIV_CMD_FM_SL: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.sl=c.value2&15;
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.sl=c.value2&15;
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
break;
}
case DIV_CMD_FM_RR: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.rr=c.value2&15;
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.rr=c.value2&15;
rWrite(baseAddr+ADDR_SL_RR,(op.sl<<4)|(op.rr&0xf));
}
break;
}
case DIV_CMD_FM_AM: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.am=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.am=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
break;
}
case DIV_CMD_FM_VIB: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.vib=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.vib=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
break;
}
case DIV_CMD_FM_SUS: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.sus=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.sus=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
break;
}
case DIV_CMD_FM_KSR: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.ksr=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.ksr=c.value2&1;
rWrite(baseAddr+ADDR_AM_VIB_SUS_KSR_MULT,((op.am&1)<<7)|((op.vib&1)<<6)|((op.sus&1)<<5)|((op.ksr&1)<<4)|(op.mult&0xf));
}
break;
}
case DIV_CMD_FM_WS: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
unsigned char noise=chan[c.chan].state.esfm.noise&3;
op.ws=c.value2&7;
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
}
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
unsigned char noise=chan[c.chan].state.esfm.noise&3;
op.ws=c.value2&7;
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
}
}
break;
}
// KSL
case DIV_CMD_FM_RS: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.ksl=c.value2&3;
if (KVS_ES(c.chan,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
op.ksl=c.value2&3;
if (KVS_ES(c.chan,o)) {
rWrite(baseAddr+ADDR_KSL_TL,(63-VOL_SCALE_LOG_BROKEN(63-op.tl,chan[c.chan].outVol&0x3f,63))|(op.ksl<<6));
} else {
rWrite(baseAddr+ADDR_KSL_TL,(op.tl&0x3f)|(op.ksl<<6));
}
}
break;
}
case DIV_CMD_FM_AM_DEPTH: {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
op.dam=c.value2&1;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[c.chan].globalPan)&1)<<4)|(((opE.right&(chan[c.chan].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
break;
}
case DIV_CMD_FM_PM_DEPTH: {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
op.dvb=c.value2&1;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[c.chan].globalPan)&1)<<4)|(((opE.right&(chan[c.chan].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
break;
}
case DIV_CMD_FM_FIXFREQ: {
unsigned int o=c.value&3;
bool isFNum=c.value&4;
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
if (!opE.fixed) break;
if (isFNum) {
opE.dt=(c.value2)&0xff;
opE.ct=(opE.ct&(~3))|((c.value2>>8)&3);
chan[c.chan].freqChanged=true;
} else {
opE.ct=(opE.ct&(~(7<<2)))|((c.value2&7)<<2);
chan[c.chan].freqChanged=true;
}
break;
}
case DIV_CMD_ESFM_OP_PANNING: {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
opE.left=(c.value2&0xf0)!=0;
opE.right=(c.value2&0x0f)!=0;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[c.chan].globalPan)&1)<<4)|(((opE.right&(chan[c.chan].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
break;
}
case DIV_CMD_ESFM_OUTLVL: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
unsigned char noise=chan[c.chan].state.esfm.noise&3;
opE.outLvl=c.value2&7;
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
}
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
unsigned char noise=chan[c.chan].state.esfm.noise&3;
opE.outLvl=c.value2&7;
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|((o==3?noise:0)<<3)|((opE.outLvl&7)<<5));
}
}
break;
}
case DIV_CMD_ESFM_MODIN: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
opE.modIn=c.value2&7;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[c.chan].globalPan)&1)<<4)|(((opE.right&(chan[c.chan].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[o];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
opE.modIn=c.value2&7;
rWrite(baseAddr+ADDR_DAM_DVB_LEFT_RIGHT_MODIN,((opE.modIn&7)<<1)|(((opE.left&chan[c.chan].globalPan)&1)<<4)|(((opE.right&(chan[c.chan].globalPan>>1))&1)<<5)|((op.dvb&1)<<6)|(op.dam<<7));
}
break;
}
case DIV_CMD_ESFM_ENV_DELAY: {
if (c.value<0) {
for (int o=0; o<4; o++) {
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
opE.delay=c.value2&7;
rWrite(baseAddr+ADDR_FREQH_BLOCK_DELAY,chan[c.chan].freqH[o]|(opE.delay<<5));
}
} else {
unsigned int o=c.value;
if (o >= 4) break;
unsigned short baseAddr=c.chan*32+o*8;
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
opE.delay=c.value2&7;
rWrite(baseAddr+ADDR_FREQH_BLOCK_DELAY,chan[c.chan].freqH[o]|(opE.delay<<5));
}
break;
}
case DIV_CMD_STD_NOISE_MODE: {
unsigned short baseAddr=c.chan*32+3*8;
DivInstrumentFM::Operator& op=chan[c.chan].state.fm.op[3];
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[3];
DivInstrumentESFM insE=chan[c.chan].state.esfm;
insE.noise=c.value&3;
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|(insE.noise<<3)|0);
} else {
rWrite(baseAddr+ADDR_OUTLVL_NOISE_WS,(op.ws&7)|(insE.noise<<3)|((opE.outLvl&7)<<5));
}
break;
}
case DIV_CMD_FM_DT: {
unsigned int o=c.value;
if (o >= 4) break;
DivInstrumentESFM::Operator& opE=chan[c.chan].state.esfm.op[o];
if (opE.fixed) break;
opE.dt=c.value2-0x80;
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_FM_HARD_RESET:
chan[c.chan].hardReset=c.value;
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_GET_VOLMAX:
return 63;
break;
case DIV_CMD_PRE_PORTA:
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;
default:
break;
}
return 1;
}
void DivPlatformESFM::forceIns() {
for (int i=0; i<18; i++) {
chan[i].insChanged=true;
chan[i].freqChanged=true;
}
for (int i=0; i<ESFM_REG_POOL_SIZE; i++) {
oldWrites[i]=-1;
}
}
void DivPlatformESFM::toggleRegisterDump(bool enable) {
DivDispatch::toggleRegisterDump(enable);
}
void* DivPlatformESFM::getChanState(int ch) {
return &chan[ch];
}
DivMacroInt* DivPlatformESFM::getChanMacroInt(int ch) {
return &chan[ch].std;
}
unsigned short DivPlatformESFM::getPan(int ch) {
return ((chan[ch].globalPan&1)<<8)|((chan[ch].globalPan&2)>>1);
}
DivDispatchOscBuffer* DivPlatformESFM::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformESFM::getRegisterPool() {
// // Uncomment this for debugging weird behavior
// for (int i=0; i<ESFM_REG_POOL_SIZE; i++) {
// regPool[i]=ESFM_readback_reg(&chip, i);
// }
return regPool;
}
int DivPlatformESFM::getRegisterPoolSize() {
return ESFM_REG_POOL_SIZE;
}
void DivPlatformESFM::reset() {
while (!writes.empty()) writes.pop();
ESFM_init(&chip);
// set chip to native mode
ESFM_write_reg(&chip, 0x105, 0x80);
// ensure NTS bit in register 0x408 is reset, for smooth envelope rate scaling
ESFM_write_reg(&chip, 0x408, 0x00);
for (int i=0; i<ESFM_REG_POOL_SIZE; i++) {
regPool[i]=ESFM_readback_reg(&chip, i);
oldWrites[i]=-1;
pendingWrites[i]=-1;
}
for (int i=0; i<18; i++) {
chan[i]=DivPlatformESFM::Channel();
chan[i].std.setEngine(parent);
chan[i].vol=0x3f;
chan[i].outVol=0x3f;
}
}
int DivPlatformESFM::getOutputCount() {
return 2;
}
bool DivPlatformESFM::keyOffAffectsArp(int ch) {
return false;
}
bool DivPlatformESFM::keyOffAffectsPorta(int ch) {
return false;
}
bool DivPlatformESFM::getLegacyAlwaysSetVolume() {
return false;
}
void DivPlatformESFM::notifyInsChange(int ins) {
for (int i=0; i<18; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
}
}
void DivPlatformESFM::notifyInsDeletion(void* ins) {
for (int i=0; i<18; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
int DivPlatformESFM::mapVelocity(int ch, float vel) {
const int volMax=MAX(1,dispatch(DivCommand(DIV_CMD_GET_VOLMAX,MAX(ch,0))));
double attenDb=20*log10(vel); // 20dB/decade for a linear mapping
double attenUnits=attenDb/0.75; // 0.75dB/unit
return MAX(0,volMax+attenUnits);
}
void DivPlatformESFM::poke(unsigned int addr, unsigned short val) {
immWrite(addr,val);
}
void DivPlatformESFM::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
}
void DivPlatformESFM::setFlags(const DivConfig& flags) {
chipClock=COLOR_NTSC*4.0;
rate=chipClock/288.0;
}
int DivPlatformESFM::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<18; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
setFlags(flags);
reset();
return 18;
}
void DivPlatformESFM::quit() {
for (int i=0; i<18; i++) {
delete oscBuf[i];
}
}
DivPlatformESFM::~DivPlatformESFM() {
}
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