529 lines
14 KiB
C++
529 lines
14 KiB
C++
/**
|
|
* Furnace Tracker - multi-system chiptune tracker
|
|
* Copyright (C) 2021-2023 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 "fds.h"
|
|
#include "sound/nes/cpu_inline.h"
|
|
#include "../engine.h"
|
|
#include "sound/nes_nsfplay/nes_fds.h"
|
|
#include <math.h>
|
|
|
|
#define CHIP_FREQBASE 262144
|
|
|
|
#define rWrite(a,v) if (!skipRegisterWrites) {doWrite(a,v); regPool[(a)&0x7f]=v; if (dumpWrites) {addWrite(a,v);} }
|
|
|
|
const char* regCheatSheetFDS[]={
|
|
"IOCtrl", "4023",
|
|
"Wave", "4040",
|
|
"Volume", "4080",
|
|
"FreqL", "4082",
|
|
"FreqH", "4083",
|
|
"ModCtrl", "4084",
|
|
"ModCount", "4085",
|
|
"ModFreqL", "4086",
|
|
"ModFreqH", "4087",
|
|
"ModWrite", "4088",
|
|
"WaveCtrl", "4089",
|
|
"EnvSpeed", "408A",
|
|
"ReadVol", "4090",
|
|
"ReadPos", "4091",
|
|
"ReadModV", "4092",
|
|
"ReadModP", "4093",
|
|
"ReadModCG", "4094",
|
|
"ReadModInc", "4095",
|
|
"ReadWave", "4096",
|
|
"ReadModCount", "4097",
|
|
NULL
|
|
};
|
|
|
|
const char** DivPlatformFDS::getRegisterSheet() {
|
|
return regCheatSheetFDS;
|
|
}
|
|
|
|
void DivPlatformFDS::acquire_puNES(short* buf, size_t len) {
|
|
for (size_t i=0; i<len; i++) {
|
|
extcl_apu_tick_FDS(fds);
|
|
int sample=isMuted[0]?0:fds->snd.main.output;
|
|
if (sample>32767) sample=32767;
|
|
if (sample<-32768) sample=-32768;
|
|
buf[i]=sample;
|
|
if (++writeOscBuf>=32) {
|
|
writeOscBuf=0;
|
|
oscBuf->data[oscBuf->needle++]=sample<<1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformFDS::acquire_NSFPlay(short* buf, size_t len) {
|
|
int out[2];
|
|
for (size_t i=0; i<len; i++) {
|
|
fds_NP->Tick(1);
|
|
fds_NP->Render(out);
|
|
int sample=isMuted[0]?0:(out[0]<<1);
|
|
if (sample>32767) sample=32767;
|
|
if (sample<-32768) sample=-32768;
|
|
buf[i]=sample;
|
|
if (++writeOscBuf>=32) {
|
|
writeOscBuf=0;
|
|
oscBuf->data[oscBuf->needle++]=sample<<1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformFDS::doWrite(unsigned short addr, unsigned char data) {
|
|
if (useNP) {
|
|
fds_NP->Write(addr,data);
|
|
} else {
|
|
fds_wr_mem(fds,addr,data);
|
|
}
|
|
}
|
|
|
|
void DivPlatformFDS::acquire(short** buf, size_t len) {
|
|
if (useNP) {
|
|
acquire_NSFPlay(buf[0],len);
|
|
} else {
|
|
acquire_puNES(buf[0],len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformFDS::updateWave() {
|
|
// TODO: master volume
|
|
rWrite(0x4089,0x80);
|
|
for (int i=0; i<64; i++) {
|
|
rWrite(0x4040+i,ws.output[i]);
|
|
}
|
|
rWrite(0x4089,0);
|
|
}
|
|
|
|
void DivPlatformFDS::tick(bool sysTick) {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].std.next();
|
|
if (chan[i].std.vol.had) {
|
|
// ok, why are the volumes like that?
|
|
chan[i].outVol=VOL_SCALE_LINEAR_BROKEN(chan[i].vol,chan[i].std.vol.val,32);
|
|
if (chan[i].outVol<0) chan[i].outVol=0;
|
|
rWrite(0x4080,0x80|chan[i].outVol);
|
|
}
|
|
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.duty.had) {
|
|
chan[i].duty=chan[i].std.duty.val;
|
|
if (i==3) {
|
|
if (parent->song.properNoiseLayout) {
|
|
chan[i].duty&=1;
|
|
} else if (chan[i].duty>1) {
|
|
chan[i].duty=1;
|
|
}
|
|
}
|
|
if (i!=2) {
|
|
rWrite(0x4000+i*4,0x30|chan[i].outVol|((chan[i].duty&3)<<6));
|
|
}
|
|
if (i==3) { // noise
|
|
chan[i].freqChanged=true;
|
|
}
|
|
}*/
|
|
if (chan[i].std.wave.had) {
|
|
if (chan[i].wave!=chan[i].std.wave.val || ws.activeChanged()) {
|
|
chan[i].wave=chan[i].std.wave.val;
|
|
ws.changeWave1(chan[i].wave);
|
|
//if (!chan[i].keyOff) chan[i].keyOn=true;
|
|
}
|
|
}
|
|
if (chan[i].std.pitch.had) {
|
|
if (chan[i].std.pitch.mode) {
|
|
chan[i].pitch2+=chan[i].std.pitch.val;
|
|
CLAMP_VAR(chan[i].pitch2,-32768,32767);
|
|
} else {
|
|
chan[i].pitch2=chan[i].std.pitch.val;
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
if (chan[i].active) {
|
|
if (ws.tick()) {
|
|
updateWave();
|
|
if (!chan[i].keyOff) chan[i].keyOn=true;
|
|
}
|
|
}
|
|
if (chan[i].std.ex1.had) { // mod depth
|
|
chan[i].modOn=chan[i].std.ex1.val;
|
|
chan[i].modDepth=chan[i].std.ex1.val;
|
|
rWrite(0x4084,(chan[i].modOn<<7)|0x40|chan[i].modDepth);
|
|
}
|
|
if (chan[i].std.ex2.had) { // mod speed
|
|
chan[i].modFreq=chan[i].std.ex2.val;
|
|
rWrite(0x4086,chan[i].modFreq&0xff);
|
|
rWrite(0x4087,chan[i].modFreq>>8);
|
|
}
|
|
if (chan[i].std.ex3.had) { // mod position
|
|
chan[i].modPos=chan[i].std.ex3.val;
|
|
rWrite(0x4087,0x80|chan[i].modFreq>>8);
|
|
rWrite(0x4085,chan[i].modPos);
|
|
rWrite(0x4087,chan[i].modFreq>>8);
|
|
}
|
|
if (chan[i].sweepChanged) {
|
|
chan[i].sweepChanged=false;
|
|
if (i==0) {
|
|
//rWrite(16+i*5,chan[i].sweep);
|
|
}
|
|
}
|
|
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
|
|
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE);
|
|
if (chan[i].freq>4095) chan[i].freq=4095;
|
|
if (chan[i].freq<0) chan[i].freq=0;
|
|
if (chan[i].keyOn) {
|
|
// ???
|
|
}
|
|
if (chan[i].keyOff) {
|
|
rWrite(0x4080,0x80);
|
|
}
|
|
rWrite(0x4082,chan[i].freq&0xff);
|
|
rWrite(0x4083,(chan[i].freq>>8)&15);
|
|
if (chan[i].keyOn) chan[i].keyOn=false;
|
|
if (chan[i].keyOff) chan[i].keyOff=false;
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformFDS::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_FDS);
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
if (chan[c.chan].insChanged) {
|
|
if (ins->fds.initModTableWithFirstWave) { // compatible
|
|
if (chan[c.chan].wave==-1) {
|
|
DivWavetable* wt=parent->getWave(0);
|
|
for (int i=0; i<32; i++) {
|
|
if (wt->max<1 || wt->len<1) {
|
|
chan[c.chan].modTable[i]=0;
|
|
} else {
|
|
int data=wt->data[i*MIN(32,wt->len)/32]*7/wt->max;
|
|
if (data<0) data=0;
|
|
if (data>7) data=7;
|
|
chan[c.chan].modTable[i]=data;
|
|
}
|
|
}
|
|
rWrite(0x4087,0x80|chan[c.chan].modFreq>>8);
|
|
for (int i=0; i<32; i++) {
|
|
rWrite(0x4088,chan[c.chan].modTable[i]);
|
|
}
|
|
rWrite(0x4087,chan[c.chan].modFreq>>8);
|
|
}
|
|
} else { // The Familiar Way
|
|
chan[c.chan].modDepth=ins->fds.modDepth;
|
|
chan[c.chan].modOn=ins->fds.modDepth;
|
|
chan[c.chan].modFreq=ins->fds.modSpeed;
|
|
rWrite(0x4084,(chan[c.chan].modOn<<7)|0x40|chan[c.chan].modDepth);
|
|
rWrite(0x4086,chan[c.chan].modFreq&0xff);
|
|
|
|
rWrite(0x4087,0x80|chan[c.chan].modFreq>>8);
|
|
for (int i=0; i<32; i++) {
|
|
chan[c.chan].modTable[i]=ins->fds.modTable[i]&7;
|
|
rWrite(0x4088,chan[c.chan].modTable[i]);
|
|
}
|
|
rWrite(0x4087,chan[c.chan].modFreq>>8);
|
|
}
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
chan[c.chan].macroInit(ins);
|
|
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
if (chan[c.chan].wave<0) {
|
|
chan[c.chan].wave=0;
|
|
ws.changeWave1(chan[c.chan].wave);
|
|
}
|
|
ws.init(ins,64,63,chan[c.chan].insChanged);
|
|
rWrite(0x4080,0x80|chan[c.chan].vol);
|
|
chan[c.chan].insChanged=false;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
chan[c.chan].active=false;
|
|
chan[c.chan].keyOff=true;
|
|
chan[c.chan].macroInit(NULL);
|
|
break;
|
|
case DIV_CMD_NOTE_OFF_ENV:
|
|
case DIV_CMD_ENV_RELEASE:
|
|
chan[c.chan].std.release();
|
|
break;
|
|
case DIV_CMD_INSTRUMENT:
|
|
if (chan[c.chan].ins!=c.value || c.value2==1) {
|
|
chan[c.chan].ins=c.value;
|
|
chan[c.chan].insChanged=true;
|
|
}
|
|
break;
|
|
case DIV_CMD_VOLUME:
|
|
if (chan[c.chan].vol!=c.value) {
|
|
chan[c.chan].vol=c.value;
|
|
if (!chan[c.chan].std.vol.has) {
|
|
chan[c.chan].outVol=c.value;
|
|
}
|
|
rWrite(0x4080,0x80|chan[c.chan].vol);
|
|
}
|
|
break;
|
|
case DIV_CMD_GET_VOLUME:
|
|
return chan[c.chan].vol;
|
|
break;
|
|
case DIV_CMD_PITCH:
|
|
chan[c.chan].pitch=c.value;
|
|
chan[c.chan].freqChanged=true;
|
|
break;
|
|
case DIV_CMD_WAVE:
|
|
if (chan[c.chan].wave!=c.value) {
|
|
chan[c.chan].wave=c.value;
|
|
ws.changeWave1(chan[c.chan].wave);
|
|
}
|
|
break;
|
|
case DIV_CMD_FDS_MOD_DEPTH:
|
|
chan[c.chan].modDepth=c.value;
|
|
rWrite(0x4084,(chan[c.chan].modOn<<7)|0x40|chan[c.chan].modDepth);
|
|
break;
|
|
case DIV_CMD_FDS_MOD_HIGH:
|
|
chan[c.chan].modOn=c.value>>4;
|
|
chan[c.chan].modFreq=((c.value&15)<<8)|(chan[c.chan].modFreq&0xff);
|
|
rWrite(0x4084,(chan[c.chan].modOn<<7)|0x40|chan[c.chan].modDepth);
|
|
rWrite(0x4087,chan[c.chan].modFreq>>8);
|
|
break;
|
|
case DIV_CMD_FDS_MOD_LOW:
|
|
chan[c.chan].modFreq=(chan[c.chan].modFreq&0xf00)|c.value;
|
|
rWrite(0x4086,chan[c.chan].modFreq&0xff);
|
|
break;
|
|
case DIV_CMD_FDS_MOD_POS:
|
|
chan[c.chan].modPos=c.value&0x7f;
|
|
rWrite(0x4087,0x80|chan[c.chan].modFreq>>8);
|
|
rWrite(0x4085,chan[c.chan].modPos);
|
|
rWrite(0x4087,chan[c.chan].modFreq>>8);
|
|
break;
|
|
case DIV_CMD_FDS_MOD_WAVE: {
|
|
DivWavetable* wt=parent->getWave(c.value);
|
|
for (int i=0; i<32; i++) {
|
|
if (wt->max<1 || wt->len<1) {
|
|
rWrite(0x4040+i,0);
|
|
} else {
|
|
int data=wt->data[i*MIN(32,wt->len)/32]*7/wt->max;
|
|
if (data<0) data=0;
|
|
if (data>7) data=7;
|
|
chan[c.chan].modTable[i]=data;
|
|
}
|
|
}
|
|
rWrite(0x4087,0x80|chan[c.chan].modFreq>>8);
|
|
for (int i=0; i<32; i++) {
|
|
rWrite(0x4088,chan[c.chan].modTable[i]);
|
|
}
|
|
rWrite(0x4087,chan[c.chan].modFreq>>8);
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_PORTA: {
|
|
int destFreq=NOTE_FREQUENCY(c.value2);
|
|
bool return2=false;
|
|
if (destFreq>chan[c.chan].baseFreq) {
|
|
chan[c.chan].baseFreq+=c.value;
|
|
if (chan[c.chan].baseFreq>=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
} else {
|
|
chan[c.chan].baseFreq-=c.value;
|
|
if (chan[c.chan].baseFreq<=destFreq) {
|
|
chan[c.chan].baseFreq=destFreq;
|
|
return2=true;
|
|
}
|
|
}
|
|
chan[c.chan].freqChanged=true;
|
|
if (return2) {
|
|
chan[c.chan].inPorta=false;
|
|
return 2;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_LEGATO:
|
|
if (c.chan==3) break;
|
|
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) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FDS));
|
|
}
|
|
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 32;
|
|
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_ALWAYS_SET_VOLUME:
|
|
return 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformFDS::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
}
|
|
|
|
void DivPlatformFDS::forceIns() {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].insChanged=true;
|
|
chan[i].prevFreq=65535;
|
|
}
|
|
updateWave();
|
|
}
|
|
|
|
void* DivPlatformFDS::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformFDS::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformFDS::getOscBuffer(int ch) {
|
|
return oscBuf;
|
|
}
|
|
|
|
unsigned char* DivPlatformFDS::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformFDS::getRegisterPoolSize() {
|
|
return 128;
|
|
}
|
|
|
|
void DivPlatformFDS::reset() {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i]=DivPlatformFDS::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
ws.setEngine(parent);
|
|
ws.init(NULL,64,63,false);
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
|
|
if (useNP) {
|
|
fds_NP->Reset();
|
|
} else {
|
|
fds_reset(fds);
|
|
}
|
|
memset(regPool,0,128);
|
|
|
|
rWrite(0x4023,0);
|
|
rWrite(0x4023,0x83);
|
|
rWrite(0x4089,0);
|
|
}
|
|
|
|
bool DivPlatformFDS::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformFDS::setNSFPlay(bool use) {
|
|
useNP=use;
|
|
}
|
|
|
|
void DivPlatformFDS::setFlags(const DivConfig& flags) {
|
|
int clockSel=flags.getInt("clockSel",0);
|
|
if (clockSel==2) { // Dendy
|
|
chipClock=COLOR_PAL*2.0/5.0;
|
|
} else if (clockSel==1) { // PAL
|
|
chipClock=COLOR_PAL*3.0/8.0;
|
|
} else { // NTSC
|
|
chipClock=COLOR_NTSC/2.0;
|
|
}
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock;
|
|
oscBuf->rate=rate/32;
|
|
if (useNP) {
|
|
fds_NP->SetClock(rate);
|
|
fds_NP->SetRate(rate);
|
|
}
|
|
}
|
|
|
|
void DivPlatformFDS::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
float DivPlatformFDS::getPostAmp() {
|
|
return useNP?2.0f:1.0f;
|
|
}
|
|
|
|
void DivPlatformFDS::poke(unsigned int addr, unsigned short val) {
|
|
rWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformFDS::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
|
}
|
|
|
|
int DivPlatformFDS::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
writeOscBuf=0;
|
|
if (useNP) {
|
|
fds_NP=new xgm::NES_FDS;
|
|
} else {
|
|
fds=new struct _fds;
|
|
}
|
|
oscBuf=new DivDispatchOscBuffer;
|
|
for (int i=0; i<1; i++) {
|
|
isMuted[i]=false;
|
|
}
|
|
setFlags(flags);
|
|
|
|
reset();
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformFDS::quit() {
|
|
delete oscBuf;
|
|
if (useNP) {
|
|
delete fds_NP;
|
|
} else {
|
|
delete fds;
|
|
}
|
|
}
|
|
|
|
DivPlatformFDS::~DivPlatformFDS() {
|
|
}
|