277 lines
7.2 KiB
C++
277 lines
7.2 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 "pong.h"
|
|
#include "../engine.h"
|
|
#include "../../ta-log.h"
|
|
|
|
#define CHIP_DIVIDER 1024
|
|
|
|
void DivPlatformPong::acquire(short** buf, size_t len) {
|
|
int out=0;
|
|
for (size_t i=0; i<len; i++) {
|
|
if (on) {
|
|
if (--pos<=0) {
|
|
pos=(freq?2:1)<<4;
|
|
flip=!flip;
|
|
}
|
|
out=(flip && !isMuted[0])?32767:0;
|
|
buf[0][i]=out;
|
|
oscBuf->data[oscBuf->needle++]=out;
|
|
} else {
|
|
buf[0][i]=0;
|
|
oscBuf->data[oscBuf->needle++]=0;
|
|
flip=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformPong::tick(bool sysTick) {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].std.next();
|
|
if (chan[i].std.vol.had) {
|
|
chan[i].outVol=(chan[i].vol && chan[i].std.vol.val);
|
|
on=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_PERIODIC(parent->calcArp(chan[i].note,chan[i].std.arp.val));
|
|
}
|
|
chan[i].freqChanged=true;
|
|
}
|
|
if (sysTick) {
|
|
flip=false;
|
|
pos=0;
|
|
}
|
|
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) {
|
|
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)-1;
|
|
if (chan[i].freq<0) chan[i].freq=0;
|
|
if (chan[i].freq>1) chan[i].freq=1;
|
|
if (chan[i].keyOn) {
|
|
on=true;
|
|
}
|
|
if (chan[i].keyOff) {
|
|
on=false;
|
|
}
|
|
freq=chan[i].freq;
|
|
if (chan[i].keyOn) chan[i].keyOn=false;
|
|
if (chan[i].keyOff) chan[i].keyOff=false;
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformPong::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON:
|
|
if (c.value!=DIV_NOTE_NULL) {
|
|
chan[c.chan].baseFreq=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;
|
|
chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_BEEPER));
|
|
if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
|
|
chan[c.chan].outVol=chan[c.chan].vol;
|
|
}
|
|
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;
|
|
}
|
|
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) {
|
|
on=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_NOTE_PORTA: {
|
|
int destFreq=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_LEGATO:
|
|
if (c.chan==3) break;
|
|
chan[c.chan].baseFreq=NOTE_PERIODIC(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_BEEPER));
|
|
}
|
|
if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_PERIODIC(chan[c.chan].note);
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 1;
|
|
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 DivPlatformPong::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
}
|
|
|
|
void DivPlatformPong::forceIns() {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].insChanged=true;
|
|
}
|
|
}
|
|
|
|
void* DivPlatformPong::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivMacroInt* DivPlatformPong::getChanMacroInt(int ch) {
|
|
return &chan[ch].std;
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformPong::getOscBuffer(int ch) {
|
|
return oscBuf;
|
|
}
|
|
|
|
void DivPlatformPong::reset() {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i]=DivPlatformPong::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
|
|
on=false;
|
|
lastOn=false;
|
|
freq=0;
|
|
pos=0;
|
|
flip=false;
|
|
|
|
memset(regPool,0,2);
|
|
}
|
|
|
|
bool DivPlatformPong::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformPong::setFlags(const DivConfig& flags) {
|
|
chipClock=1000000;
|
|
CHECK_CUSTOM_CLOCK;
|
|
rate=chipClock/64;
|
|
oscBuf->rate=rate;
|
|
}
|
|
|
|
void DivPlatformPong::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<1; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformPong::poke(unsigned int addr, unsigned short val) {
|
|
// ???
|
|
}
|
|
|
|
void DivPlatformPong::poke(std::vector<DivRegWrite>& wlist) {
|
|
// ???
|
|
}
|
|
|
|
int DivPlatformPong::init(DivEngine* p, int channels, int sugRate, const DivConfig& flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<1; i++) {
|
|
isMuted[i]=false;
|
|
}
|
|
oscBuf=new DivDispatchOscBuffer;
|
|
setFlags(flags);
|
|
|
|
reset();
|
|
return 5;
|
|
}
|
|
|
|
void DivPlatformPong::quit() {
|
|
delete oscBuf;
|
|
}
|
|
|
|
DivPlatformPong::~DivPlatformPong() {
|
|
}
|