379 lines
10 KiB
C++
379 lines
10 KiB
C++
/**
|
|
* Furnace Tracker - multi-system chiptune tracker
|
|
* Copyright (C) 2021-2025 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 "scvtone.h"
|
|
#include "../engine.h"
|
|
#include "../../ta-log.h"
|
|
#include "furIcons.h"
|
|
#include <math.h>
|
|
|
|
//#define rWrite(a,v) pendingWrites[a]=v;
|
|
#define rWrite(a,v) if (!skipRegisterWrites) {packet[a]=v; writePacket=true; if (dumpWrites) {addWrite(a,v);} }
|
|
|
|
#define CHIP_DIVIDER 512
|
|
|
|
const char* regCheatSheetUPD1771cTone[]={
|
|
NULL
|
|
};
|
|
|
|
const char** DivPlatformSCVTone::getRegisterSheet() {
|
|
return regCheatSheetUPD1771cTone;
|
|
}
|
|
|
|
void DivPlatformSCVTone::acquire(short** buf, size_t len) {
|
|
for (int i=0; i<4; i++) {
|
|
oscBuf[i]->begin(len);
|
|
}
|
|
|
|
for (size_t h=0; h<len; h++) {
|
|
while (!writes.empty()) {
|
|
QueuedWrite w=writes.front();
|
|
scv.write(w.val);
|
|
regPool[w.addr&0xf]=w.val;
|
|
writes.pop();
|
|
}
|
|
|
|
scv.sound_stream_update(&buf[0][h],1);
|
|
oscBuf[0]->putSample(h,scv.chout[0]<<3);
|
|
oscBuf[1]->putSample(h,scv.chout[1]<<3);
|
|
oscBuf[2]->putSample(h,scv.chout[2]<<3);
|
|
oscBuf[3]->putSample(h,scv.chout[3]<<3);
|
|
}
|
|
|
|
for (int i=0; i<4; i++) {
|
|
oscBuf[i]->end(len);
|
|
}
|
|
}
|
|
|
|
void DivPlatformSCVTone::tick(bool sysTick) {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].std.next();
|
|
if (chan[i].std.vol.had) {
|
|
chan[i].outVol=VOL_SCALE_LINEAR(chan[i].vol&31,MIN(31,chan[i].std.vol.val),31);
|
|
}
|
|
if (NEW_ARP_STRAT) {
|
|
chan[i].handleArp();
|
|
} else if (chan[i].std.arp.had) {
|
|
if (!chan[i].inPorta) {
|
|
int f=parent->calcArp(chan[i].note,chan[i].std.arp.val);
|
|
if (i==3) {
|
|
chan[i].baseFreq=f;
|
|
} else {
|
|
chan[i].baseFreq=NOTE_PERIODIC(f);
|
|
}
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
if (chan[i].std.wave.had) {
|
|
chan[i].wave=chan[i].std.wave.val&7;
|
|
}
|
|
if (chan[i].std.duty.had) {
|
|
chan[i].duty=chan[i].std.duty.val&1;
|
|
}
|
|
if (chan[i].std.ex1.had) {
|
|
chan[i].pos=chan[i].std.ex1.val&31;
|
|
}
|
|
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].freqChanged || chan[i].keyOn || chan[i].keyOff) {
|
|
if (i==3) {
|
|
chan[i].freq=(chan[i].baseFreq+chan[i].pitch+chan[i].pitch2+143);
|
|
if (!parent->song.oldArpStrategy) {
|
|
if (chan[i].fixedArp) {
|
|
chan[i].freq=(chan[i].baseNoteOverride)+chan[i].pitch+chan[i].pitch2;
|
|
} else {
|
|
chan[i].freq+=chan[i].arpOff;
|
|
}
|
|
}
|
|
} else {
|
|
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,chan[i].pitch2,chipClock,CHIP_DIVIDER);
|
|
}
|
|
if (i==3) {
|
|
if (chan[i].freq<0) chan[i].freq=0;
|
|
} else {
|
|
if (chan[i].freq<1) chan[i].freq=1;
|
|
}
|
|
if (chan[i].freq>255) chan[i].freq=255;
|
|
if (chan[i].keyOn) chan[i].keyOn=false;
|
|
if (chan[i].keyOff) chan[i].keyOff=false;
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
|
|
rWrite(0,1);
|
|
rWrite(1,chan[3].wave<<5);
|
|
rWrite(2,(0xff-chan[3].freq));
|
|
rWrite(3,(chan[3].active && !isMuted[3])?(chan[3].outVol&0x1f):0);
|
|
rWrite(4,chan[0].freq-1);
|
|
rWrite(5,chan[1].freq-1);
|
|
rWrite(6,chan[2].freq-1);
|
|
rWrite(7,(chan[0].active && !isMuted[0])?chan[0].outVol:0);
|
|
rWrite(8,(chan[1].active && !isMuted[1])?chan[1].outVol:0);
|
|
rWrite(9,(chan[2].active && !isMuted[2])?chan[2].outVol:0);
|
|
|
|
// if need be, write packet
|
|
if (writePacket) {
|
|
writePacket=false;
|
|
int len=1;
|
|
if (packet[0]==2) {
|
|
len=4;
|
|
} else if (packet[0]==1) {
|
|
len=10;
|
|
}
|
|
|
|
for (int i=0; i<len; i++) {
|
|
writes.push(QueuedWrite(0,packet[i]));
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformSCVTone::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_UPD1771C);
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=c.chan==3?(c.value):NOTE_PERIODIC(c.value);
|
|
chan[c.chan].freqChanged=true;
|
|
chan[c.chan].note=c.value;
|
|
}
|
|
chan[c.chan].active=true;
|
|
chan[c.chan].keyOn=true;
|
|
//chwrite(c.chan,0x04,0x80|chan[c.chan].vol);
|
|
chan[c.chan].macroInit(ins);
|
|
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
chan[c.chan].insChanged=false;
|
|
break;
|
|
}
|
|
case DIV_CMD_NOTE_OFF:
|
|
if (dumpWrites) addWrite(0xffff0002+(c.chan<<8),0);
|
|
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;
|
|
if (chan[c.chan].active) {
|
|
//chwrite(c.chan,0x04,0x80|chan[c.chan].outVol);
|
|
}
|
|
}
|
|
}
|
|
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_NOTE_PORTA: {
|
|
int destFreq=(c.chan==3)?c.value2:(NOTE_PERIODIC(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_STD_NOISE_MODE:
|
|
chan[c.chan].wave=c.value&7;
|
|
chan[c.chan].duty=c.value>>4&1;
|
|
break;
|
|
case DIV_CMD_N163_WAVE_POSITION:
|
|
chan[c.chan].pos=c.value;
|
|
break;
|
|
case DIV_CMD_LEGATO: {
|
|
int newNote=c.value+((HACKY_LEGATO_MESS)?(chan[c.chan].std.arp.val):(0));
|
|
chan[c.chan].baseFreq=(c.chan==3)?newNote:(NOTE_PERIODIC(newNote));
|
|
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_UPD1771C));
|
|
}
|
|
if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
|
|
if (c.chan==3) {
|
|
chan[c.chan].baseFreq=chan[c.chan].note;
|
|
} else {
|
|
chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
|
|
}
|
|
}
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 31;
|
|
break;
|
|
case DIV_CMD_MACRO_OFF:
|
|
chan[c.chan].std.mask(c.value,true);
|
|
break;
|
|
case DIV_CMD_MACRO_ON:
|
|
chan[c.chan].std.mask(c.value,false);
|
|
break;
|
|
case DIV_CMD_MACRO_RESTART:
|
|
chan[c.chan].std.restart(c.value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformSCVTone::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
}
|
|
|
|
void DivPlatformSCVTone::forceIns() {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].insChanged=true;
|
|
chan[i].freqChanged=true;
|
|
//chwrite(i,0x05,isMuted[i]?0:chan[i].pan);
|
|
}
|
|
}
|
|
|
|
void* DivPlatformSCVTone::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformSCVTone::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformSCVTone::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformSCVTone::getRegisterPool() {
|
|
return regPool;
|
|
}
|
|
|
|
int DivPlatformSCVTone::getRegisterPoolSize() {
|
|
return 16;
|
|
}
|
|
|
|
void DivPlatformSCVTone::reset() {
|
|
writes.clear();
|
|
memset(regPool,0,16);
|
|
for (int i=0; i<4; i++) {
|
|
chan[i]=DivPlatformSCVTone::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
scv.device_reset();
|
|
memset(tempL,0,32*sizeof(int));
|
|
memset(tempR,0,32*sizeof(int));
|
|
memset(packet,0,16);
|
|
writePacket=false;
|
|
}
|
|
|
|
int DivPlatformSCVTone::getOutputCount() {
|
|
return 1;
|
|
}
|
|
|
|
bool DivPlatformSCVTone::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformSCVTone::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<4; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformSCVTone::setFlags(const DivConfig& flags) {
|
|
chipClock=6000000;
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock/4;
|
|
for (int i=0; i<4; i++) {
|
|
oscBuf[i]->setRate(rate);
|
|
}
|
|
//upd1771c_sound_set_clock(&scv,(unsigned int)chipClock,8);
|
|
}
|
|
|
|
void DivPlatformSCVTone::poke(unsigned int addr, unsigned short val) {
|
|
rWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformSCVTone::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
|
}
|
|
|
|
int DivPlatformSCVTone::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<4; i++) {
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
setFlags(flags);
|
|
reset();
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformSCVTone::quit() {
|
|
for (int i=0; i<4; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
}
|
|
|
|
DivPlatformSCVTone::~DivPlatformSCVTone() {
|
|
}
|