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furnace/src/engine/platform/namcowsg.cpp
tildearrow 2600d4c576 new arp strategy, part 2
2022-12-17 02:10:20 -05:00

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/**
* Furnace Tracker - multi-system chiptune tracker
* Copyright (C) 2021-2022 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 "namcowsg.h"
#include "../engine.h"
#include <math.h>
//#define rWrite(a,v) pendingWrites[a]=v;
#define rWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
#define CHIP_FREQBASE 4194304
const char* regCheatSheetNamcoWSG[]={
"WaveSel0", "05",
"WaveSel1", "0A",
"WaveSel2", "0F",
"FreqS0", "10",
"FreqL0", "11",
"FreqM0", "12",
"FreqH0", "13",
"FreqX0", "14",
"Volume0", "15",
"FreqL1", "16",
"FreqM1", "17",
"FreqH1", "18",
"FreqX1", "19",
"Volume1", "1A",
"FreqL2", "1B",
"FreqM2", "1C",
"FreqH2", "1D",
"FreqX2", "1E",
"Volume2", "1F",
NULL
};
const char* regCheatSheetNamco15XX[]={
"Volume0", "03",
"FreqL0", "04",
"FreqH0", "05",
"WaveSel0", "06",
"Volume1", "0B",
"FreqL1", "0C",
"FreqH1", "0D",
"WaveSel1", "0E",
"Volume2", "13",
"FreqL2", "14",
"FreqH2", "15",
"WaveSel2", "16",
"Volume3", "1B",
"FreqL3", "1C",
"FreqH3", "1D",
"WaveSel3", "1E",
"Volume4", "23",
"FreqL4", "24",
"FreqH4", "25",
"WaveSel4", "26",
"Volume5", "2B",
"FreqL5", "2C",
"FreqH5", "2D",
"WaveSel5", "2E",
"Volume6", "33",
"FreqL6", "34",
"FreqH6", "35",
"WaveSel6", "36",
"Volume7", "3B",
"FreqL7", "3C",
"FreqH7", "3D",
"WaveSel7", "3E",
NULL
};
const char* regCheatSheetNamcoCUS30[]={
"VolumeL0", "00",
"WaveSel0", "01",
"FreqH0", "02",
"FreqL0", "03",
"VolumeR0", "04",
"VolumeL1", "08",
"WaveSel1", "09",
"FreqH1", "0A",
"FreqL1", "0B",
"VolumeR1", "0C",
"VolumeL2", "10",
"WaveSel2", "11",
"FreqH2", "12",
"FreqL2", "13",
"VolumeR2", "14",
"VolumeL3", "18",
"WaveSel3", "19",
"FreqH3", "1A",
"FreqL3", "1B",
"VolumeR3", "1C",
"VolumeL4", "20",
"WaveSel4", "21",
"FreqH4", "22",
"FreqL4", "23",
"VolumeR4", "24",
"VolumeL5", "28",
"WaveSel5", "29",
"FreqH5", "2A",
"FreqL5", "2B",
"VolumeR5", "2C",
"VolumeL6", "30",
"WaveSel6", "31",
"FreqH6", "32",
"FreqL6", "33",
"VolumeR6", "34",
"VolumeL7", "38",
"WaveSel7", "39",
"FreqH7", "3A",
"FreqL7", "3B",
"VolumeR7", "3C",
NULL
};
const char** DivPlatformNamcoWSG::getRegisterSheet() {
if (devType==30) return regCheatSheetNamcoCUS30;
if (devType==15) return regCheatSheetNamco15XX;
return regCheatSheetNamcoWSG;
}
void DivPlatformNamcoWSG::acquire(short* bufL, short* bufR, size_t start, size_t len) {
while (!writes.empty()) {
QueuedWrite w=writes.front();
switch (devType) {
case 1:
((namco_device*)namco)->pacman_sound_w(w.addr,w.val);
break;
case 2:
((namco_device*)namco)->polepos_sound_w(w.addr,w.val);
break;
case 15:
((namco_15xx_device*)namco)->sharedram_w(w.addr,w.val);
break;
case 30:
((namco_cus30_device*)namco)->namcos1_cus30_w(w.addr,w.val);
break;
}
regPool[w.addr&0x3f]=w.val;
writes.pop();
}
for (size_t h=start; h<start+len; h++) {
short* buf[2]={
bufL+h, bufR+h
};
namco->sound_stream_update(buf,1);
for (int i=0; i<chans; i++) {
oscBuf[i]->data[oscBuf[i]->needle++]=namco->m_channel_list[i].last_out*chans;
}
}
}
void DivPlatformNamcoWSG::updateWave(int ch) {
if (devType==30) {
for (int i=0; i<32; i++) {
((namco_cus30_device*)namco)->namcos1_cus30_w(i+ch*32,chan[ch].ws.output[i]);
}
} else {
for (int i=0; i<32; i++) {
namco->update_namco_waveform(i+ch*32,chan[ch].ws.output[i]);
}
}
}
void DivPlatformNamcoWSG::tick(bool sysTick) {
for (int i=0; i<chans; i++) {
chan[i].std.next();
if (chan[i].std.vol.had) {
chan[i].outVol=((chan[i].vol&15)*MIN(15,chan[i].std.vol.val))>>4;
}
if (chan[i].std.duty.had && i>=4) {
chan[i].noise=chan[i].std.duty.val;
chan[i].freqChanged=true;
}
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.wave.had) {
if (chan[i].wave!=chan[i].std.wave.val || chan[i].ws.activeChanged()) {
chan[i].wave=chan[i].std.wave.val;
chan[i].ws.changeWave1(chan[i].wave);
if (!chan[i].keyOff) chan[i].keyOn=true;
}
}
if (chan[i].std.panL.had) {
chan[i].pan&=0x0f;
chan[i].pan|=(chan[i].std.panL.val&15)<<4;
}
if (chan[i].std.panR.had) {
chan[i].pan&=0xf0;
chan[i].pan|=chan[i].std.panR.val&15;
}
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 (chan[i].ws.tick() || (chan[i].std.phaseReset.had && chan[i].std.phaseReset.val==1)) {
updateWave(i);
}
}
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_PCE);
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>1048575) chan[i].freq=1048575;
if (chan[i].keyOn) {
}
if (chan[i].keyOff) {
}
if (chan[i].keyOn) chan[i].keyOn=false;
if (chan[i].keyOff) chan[i].keyOff=false;
chan[i].freqChanged=false;
}
}
// update state
switch (devType) {
case 1:
if (chan[0].active && !isMuted[0]) {
rWrite(0x15,chan[0].outVol);
} else {
rWrite(0x15,0);
}
if (chan[1].active && !isMuted[1]) {
rWrite(0x1a,chan[1].outVol);
} else {
rWrite(0x1a,0);
}
if (chan[2].active && !isMuted[2]) {
rWrite(0x1f,chan[2].outVol);
} else {
rWrite(0x1f,0);
}
rWrite(0x10,(chan[0].freq)&15);
rWrite(0x11,(chan[0].freq>>4)&15);
rWrite(0x12,(chan[0].freq>>8)&15);
rWrite(0x13,(chan[0].freq>>12)&15);
rWrite(0x14,(chan[0].freq>>16)&15);
rWrite(0x16,(chan[1].freq>>4)&15);
rWrite(0x17,(chan[1].freq>>8)&15);
rWrite(0x18,(chan[1].freq>>12)&15);
rWrite(0x19,(chan[1].freq>>16)&15);
rWrite(0x1b,(chan[2].freq>>4)&15);
rWrite(0x1c,(chan[2].freq>>8)&15);
rWrite(0x1d,(chan[2].freq>>12)&15);
rWrite(0x1e,(chan[2].freq>>16)&15);
rWrite(0x05,0);
rWrite(0x0a,1);
rWrite(0x0f,2);
break;
case 15:
for (int i=0; i<8; i++) {
if (chan[i].active && !isMuted[i]) {
rWrite((i<<3)+0x03,chan[i].outVol);
} else {
rWrite((i<<3)+0x03,0);
}
rWrite((i<<3)+0x04,chan[i].freq&0xff);
rWrite((i<<3)+0x05,(chan[i].freq>>8)&0xff);
rWrite((i<<3)+0x06,((chan[i].freq>>16)&15)|(i<<4));
}
break;
case 30:
for (int i=0; i<8; i++) {
if (chan[i].active && !isMuted[i]) {
rWrite((i<<3)+0x100,(chan[i].outVol*((chan[i].pan>>4)&15))/15);
rWrite((i<<3)+0x104,((chan[i].outVol*(chan[i].pan&15))/15)|(chan[(i+1)&7].noise?0x80:0));
} else {
rWrite((i<<3)+0x100,0);
rWrite((i<<3)+0x104,(chan[(i+1)&7].noise?0x80:0));
}
rWrite((i<<3)+0x103,chan[i].freq&0xff);
rWrite((i<<3)+0x102,(chan[i].freq>>8)&0xff);
rWrite((i<<3)+0x101,((chan[i].freq>>16)&15)|(i<<4));
}
break;
}
}
int DivPlatformNamcoWSG::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_PCE);
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;
}
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;
chan[c.chan].ws.changeWave1(chan[c.chan].wave);
}
chan[c.chan].ws.init(ins,32,15,chan[c.chan].insChanged);
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;
}
}
break;
case DIV_CMD_GET_VOLUME:
if (chan[c.chan].std.vol.has) {
return chan[c.chan].vol;
}
return chan[c.chan].outVol;
break;
case DIV_CMD_PITCH:
chan[c.chan].pitch=c.value;
chan[c.chan].freqChanged=true;
break;
case DIV_CMD_WAVE:
chan[c.chan].wave=c.value;
chan[c.chan].ws.changeWave1(chan[c.chan].wave);
chan[c.chan].keyOn=true;
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*((parent->song.linearPitch==2)?1:8);
if (chan[c.chan].baseFreq>=destFreq) {
chan[c.chan].baseFreq=destFreq;
return2=true;
}
} else {
chan[c.chan].baseFreq-=c.value*((parent->song.linearPitch==2)?1:8);
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_STD_NOISE_MODE:
chan[c.chan].noise=c.value;
break;
case DIV_CMD_PANNING: {
chan[c.chan].pan=(c.value&0xf0)|(c.value2>>4);
break;
}
case DIV_CMD_LEGATO:
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0)));
chan[c.chan].freqChanged=true;
chan[c.chan].note=c.value;
break;
case DIV_CMD_PRE_PORTA:
if (chan[c.chan].active && c.value2) {
if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_PCE));
}
if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_FREQUENCY(chan[c.chan].note);
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_GET_VOLMAX:
return 15;
break;
case DIV_CMD_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 DivPlatformNamcoWSG::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
}
void DivPlatformNamcoWSG::forceIns() {
for (int i=0; i<chans; i++) {
chan[i].insChanged=true;
chan[i].freqChanged=true;
updateWave(i);
}
}
void* DivPlatformNamcoWSG::getChanState(int ch) {
return &chan[ch];
}
DivMacroInt* DivPlatformNamcoWSG::getChanMacroInt(int ch) {
return &chan[ch].std;
}
DivDispatchOscBuffer* DivPlatformNamcoWSG::getOscBuffer(int ch) {
return oscBuf[ch];
}
unsigned char* DivPlatformNamcoWSG::getRegisterPool() {
return regPool;
}
int DivPlatformNamcoWSG::getRegisterPoolSize() {
return (devType==1)?32:64;
}
void DivPlatformNamcoWSG::reset() {
while (!writes.empty()) writes.pop();
memset(regPool,0,128);
for (int i=0; i<chans; i++) {
chan[i]=DivPlatformNamcoWSG::Channel();
chan[i].std.setEngine(parent);
chan[i].ws.setEngine(parent);
chan[i].ws.init(NULL,32,15,false);
}
if (dumpWrites) {
addWrite(0xffffffff,0);
}
// TODO: wave memory
namco->set_voices(chans);
namco->set_stereo((devType==2 || devType==30));
namco->device_start(NULL);
}
bool DivPlatformNamcoWSG::isStereo() {
return (devType==30);
}
bool DivPlatformNamcoWSG::keyOffAffectsArp(int ch) {
return true;
}
void DivPlatformNamcoWSG::notifyWaveChange(int wave) {
for (int i=0; i<chans; i++) {
if (chan[i].wave==wave) {
chan[i].ws.changeWave1(wave);
updateWave(i);
}
}
}
void DivPlatformNamcoWSG::notifyInsDeletion(void* ins) {
for (int i=0; i<chans; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
void DivPlatformNamcoWSG::setDeviceType(int type) {
devType=type;
switch (type) {
case 15:
chans=8;
break;
case 30:
chans=8;
break;
case 1:
chans=3;
break;
case 2:
chans=8;
break;
}
}
void DivPlatformNamcoWSG::setFlags(const DivConfig& flags) {
chipClock=3072000;
CHECK_CUSTOM_CLOCK;
rate=chipClock/32;
namco->device_clock_changed(rate);
for (int i=0; i<chans; i++) {
oscBuf[i]->rate=rate;
}
}
void DivPlatformNamcoWSG::poke(unsigned int addr, unsigned short val) {
rWrite(addr,val);
}
void DivPlatformNamcoWSG::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
}
int DivPlatformNamcoWSG::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
for (int i=0; i<chans; i++) {
isMuted[i]=false;
oscBuf[i]=new DivDispatchOscBuffer;
}
switch (devType) {
case 15:
namco=new namco_15xx_device(3072000);
break;
case 30:
namco=new namco_cus30_device(3072000);
break;
default:
namco=new namco_device(3072000);
break;
}
setFlags(flags);
reset();
return 6;
}
void DivPlatformNamcoWSG::quit() {
for (int i=0; i<chans; i++) {
delete oscBuf[i];
}
delete namco;
}
DivPlatformNamcoWSG::~DivPlatformNamcoWSG() {
}
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