613 lines
18 KiB
C++
613 lines
18 KiB
C++
/**
|
|
* 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 "su.h"
|
|
#include "../engine.h"
|
|
#include "../../ta-log.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 chWrite(c,a,v) rWrite(((c)<<5)|(a),v);
|
|
|
|
#define CHIP_FREQBASE 524288
|
|
|
|
const char** DivPlatformSoundUnit::getRegisterSheet() {
|
|
return NULL;
|
|
}
|
|
|
|
const char* DivPlatformSoundUnit::getEffectName(unsigned char effect) {
|
|
switch (effect) {
|
|
case 0x10:
|
|
return "10xx: Set waveform (0 to 7)";
|
|
break;
|
|
case 0x12:
|
|
return "12xx: Set pulse width (0 to 7F)";
|
|
break;
|
|
case 0x13:
|
|
return "13xx: Set resonance (0 to F)";
|
|
break;
|
|
case 0x14:
|
|
return "14xx: Set filter mode (bit 0: ring mod; bit 1: low pass; bit 2: high pass; bit 3: band pass)";
|
|
break;
|
|
case 0x15:
|
|
return "15xx: Set frequency sweep period low byte";
|
|
break;
|
|
case 0x16:
|
|
return "16xx: Set frequency sweep period high byte";
|
|
break;
|
|
case 0x17:
|
|
return "17xx: Set volume sweep period low byte";
|
|
break;
|
|
case 0x18:
|
|
return "18xx: Set volume sweep period high byte";
|
|
break;
|
|
case 0x19:
|
|
return "19xx: Set cutoff sweep period low byte";
|
|
break;
|
|
case 0x1a:
|
|
return "1Axx: Set cutoff sweep period high byte";
|
|
break;
|
|
case 0x1b:
|
|
return "1Bxx: Set frequency sweep boundary";
|
|
break;
|
|
case 0x1c:
|
|
return "1Cxx: Set volume sweep boundary";
|
|
break;
|
|
case 0x1d:
|
|
return "1Dxx: Set cutoff sweep boundary";
|
|
break;
|
|
case 0x1e:
|
|
return "17xx: Set phase reset period low byte";
|
|
break;
|
|
case 0x1f:
|
|
return "18xx: Set phase reset period high byte";
|
|
break;
|
|
case 0x20:
|
|
return "20xx: Toggle frequency sweep (bit 0-6: speed; bit 7: direction is up)";
|
|
break;
|
|
case 0x21:
|
|
return "21xx: Toggle volume sweep (bit 0-4: speed; bit 5: direciton is up; bit 6: loop; bit 7: alternate)";
|
|
break;
|
|
case 0x22:
|
|
return "22xx: Toggle cutoff sweep (bit 0-6: speed; bit 7: direction is up)";
|
|
break;
|
|
case 0x40: case 0x41: case 0x42: case 0x43:
|
|
case 0x44: case 0x45: case 0x46: case 0x47:
|
|
case 0x48: case 0x49: case 0x4a: case 0x4b:
|
|
case 0x4c: case 0x4d: case 0x4e: case 0x4f:
|
|
return "4xxx: Set cutoff (0 to FFF)";
|
|
break;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::acquire(short* bufL, short* bufR, size_t start, size_t len) {
|
|
for (size_t h=start; h<start+len; h++) {
|
|
while (!writes.empty()) {
|
|
QueuedWrite w=writes.front();
|
|
su->Write(w.addr,w.val);
|
|
writes.pop();
|
|
}
|
|
su->NextSample(&bufL[h],&bufR[h]);
|
|
for (int i=0; i<8; i++) {
|
|
oscBuf[i]->data[oscBuf[i]->needle++]=su->GetSample(i);
|
|
}
|
|
}
|
|
}
|
|
|
|
void DivPlatformSoundUnit::writeControl(int ch) {
|
|
chWrite(ch,0x04,(chan[ch].wave&7)|(chan[ch].pcm<<3)|(chan[ch].control<<4));
|
|
}
|
|
|
|
void DivPlatformSoundUnit::writeControlUpper(int ch) {
|
|
chWrite(ch,0x05,((int)chan[ch].phaseReset)|(chan[ch].filterPhaseReset<<1)|(chan[ch].pcmLoop<<2)|(chan[ch].timerSync<<3)|(chan[ch].freqSweep<<4)|(chan[ch].volSweep<<5)|(chan[ch].cutSweep<<6));
|
|
chan[ch].phaseReset=false;
|
|
chan[ch].filterPhaseReset=false;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::tick(bool sysTick) {
|
|
for (int i=0; i<8; i++) {
|
|
chan[i].std.next();
|
|
if (chan[i].std.vol.had) {
|
|
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
|
|
if (ins->type==DIV_INS_AMIGA) {
|
|
chan[i].outVol=((chan[i].vol&127)*MIN(64,chan[i].std.vol.val))>>6;
|
|
} else {
|
|
chan[i].outVol=((chan[i].vol&127)*MIN(127,chan[i].std.vol.val))>>7;
|
|
}
|
|
chWrite(i,0x02,chan[i].outVol);
|
|
}
|
|
if (chan[i].std.arp.had) {
|
|
if (!chan[i].inPorta) {
|
|
if (chan[i].std.arp.mode) {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp.val);
|
|
} else {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+chan[i].std.arp.val);
|
|
}
|
|
}
|
|
chan[i].freqChanged=true;
|
|
} else {
|
|
if (chan[i].std.arp.mode && chan[i].std.arp.finished) {
|
|
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
|
|
chan[i].freqChanged=true;
|
|
}
|
|
}
|
|
if (chan[i].std.duty.had) {
|
|
chan[i].duty=chan[i].std.duty.val;
|
|
chWrite(i,0x08,chan[i].duty);
|
|
}
|
|
if (chan[i].std.wave.had) {
|
|
chan[i].wave=chan[i].std.wave.val&7;
|
|
writeControl(i);
|
|
}
|
|
if (chan[i].std.phaseReset.had) {
|
|
chan[i].phaseReset=chan[i].std.phaseReset.val;
|
|
writeControlUpper(i);
|
|
}
|
|
if (chan[i].std.panL.had) {
|
|
chan[i].pan=chan[i].std.panL.val;
|
|
chWrite(i,0x03,chan[i].pan);
|
|
}
|
|
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].std.ex1.had) {
|
|
chan[i].cutoff=((chan[i].std.ex1.val&16383)*chan[i].baseCutoff)/16380;
|
|
chWrite(i,0x06,chan[i].cutoff&0xff);
|
|
chWrite(i,0x07,chan[i].cutoff>>8);
|
|
}
|
|
if (chan[i].std.ex2.had) {
|
|
chan[i].res=chan[i].std.ex2.val;
|
|
chWrite(i,0x09,chan[i].res);
|
|
}
|
|
if (chan[i].std.ex3.had) {
|
|
chan[i].control=chan[i].std.ex3.val&15;
|
|
writeControl(i);
|
|
}
|
|
if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
|
|
//DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
|
|
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE);
|
|
if (chan[i].pcm) {
|
|
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
|
|
// TODO: sample map?
|
|
DivSample* sample=parent->getSample(ins->amiga.getSample(chan[i].note));
|
|
if (sample!=NULL) {
|
|
double off=0.25;
|
|
if (sample->centerRate<1) {
|
|
off=0.25;
|
|
} else {
|
|
off=(double)sample->centerRate/(8363.0*4.0);
|
|
}
|
|
chan[i].freq=(double)chan[i].freq*off;
|
|
}
|
|
}
|
|
if (chan[i].freq<0) chan[i].freq=0;
|
|
if (chan[i].freq>65535) chan[i].freq=65535;
|
|
chWrite(i,0x00,chan[i].freq&0xff);
|
|
chWrite(i,0x01,chan[i].freq>>8);
|
|
if (chan[i].keyOn) {
|
|
if (chan[i].pcm) {
|
|
DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_SU);
|
|
DivSample* sample=parent->getSample(ins->amiga.getSample(chan[i].note));
|
|
if (sample!=NULL) {
|
|
unsigned int sampleEnd=sample->offSU+sample->samples;
|
|
unsigned int off=sample->offSU+chan[i].hasOffset;
|
|
chan[i].hasOffset=0;
|
|
if (sampleEnd>=getSampleMemCapacity(0)) sampleEnd=getSampleMemCapacity(0)-1;
|
|
chWrite(i,0x0a,off&0xff);
|
|
chWrite(i,0x0b,off>>8);
|
|
chWrite(i,0x0c,sampleEnd&0xff);
|
|
chWrite(i,0x0d,sampleEnd>>8);
|
|
if (sample->loopStart>=0 && sample->loopStart<(int)sample->samples) {
|
|
unsigned int sampleLoop=sample->offSU+sample->loopStart;
|
|
if (sampleLoop>=getSampleMemCapacity(0)) sampleLoop=getSampleMemCapacity(0)-1;
|
|
chWrite(i,0x0e,sampleLoop&0xff);
|
|
chWrite(i,0x0f,sampleLoop>>8);
|
|
chan[i].pcmLoop=true;
|
|
} else {
|
|
chan[i].pcmLoop=false;
|
|
}
|
|
writeControl(i);
|
|
writeControlUpper(i);
|
|
}
|
|
}
|
|
}
|
|
if (chan[i].keyOff) {
|
|
chWrite(i,0x02,0);
|
|
}
|
|
if (chan[i].keyOn) chan[i].keyOn=false;
|
|
if (chan[i].keyOff) chan[i].keyOff=false;
|
|
chan[i].freqChanged=false;
|
|
}
|
|
}
|
|
}
|
|
|
|
int DivPlatformSoundUnit::dispatch(DivCommand c) {
|
|
switch (c.cmd) {
|
|
case DIV_CMD_NOTE_ON: {
|
|
DivInstrument* ins=parent->getIns(chan[c.chan].ins,DIV_INS_SU);
|
|
if (chan[c.chan].pcm && ins->type!=DIV_INS_AMIGA) {
|
|
chan[c.chan].pcm=(ins->type==DIV_INS_AMIGA);
|
|
writeControl(c.chan);
|
|
writeControlUpper(c.chan);
|
|
}
|
|
chan[c.chan].pcm=(ins->type==DIV_INS_AMIGA);
|
|
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;
|
|
chWrite(c.chan,0x02,chan[c.chan].vol);
|
|
chan[c.chan].macroInit(ins);
|
|
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;
|
|
if (chan[c.chan].active) chWrite(c.chan,0x02,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_WAVE:
|
|
chan[c.chan].wave=c.value&7;
|
|
writeControl(c.chan);
|
|
break;
|
|
case DIV_CMD_STD_NOISE_MODE:
|
|
chan[c.chan].duty=c.value&127;
|
|
chWrite(c.chan,0x08,chan[c.chan].duty);
|
|
break;
|
|
case DIV_CMD_C64_RESONANCE:
|
|
chan[c.chan].res=c.value;
|
|
chWrite(c.chan,0x09,chan[c.chan].res);
|
|
break;
|
|
case DIV_CMD_C64_FILTER_MODE:
|
|
chan[c.chan].control=c.value&15;
|
|
break;
|
|
case DIV_CMD_SU_SWEEP_PERIOD_LOW: {
|
|
switch (c.value) {
|
|
case 0:
|
|
chan[c.chan].freqSweepP=(chan[c.chan].freqSweepP&0xff00)|c.value2;
|
|
chWrite(c.chan,0x10,chan[c.chan].freqSweepP&0xff);
|
|
break;
|
|
case 1:
|
|
chan[c.chan].volSweepP=(chan[c.chan].volSweepP&0xff00)|c.value2;
|
|
chWrite(c.chan,0x14,chan[c.chan].volSweepP&0xff);
|
|
break;
|
|
case 2:
|
|
chan[c.chan].cutSweepP=(chan[c.chan].cutSweepP&0xff00)|c.value2;
|
|
chWrite(c.chan,0x18,chan[c.chan].cutSweepP&0xff);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_SU_SWEEP_PERIOD_HIGH: {
|
|
switch (c.value) {
|
|
case 0:
|
|
chan[c.chan].freqSweepP=(chan[c.chan].freqSweepP&0xff)|(c.value2<<8);
|
|
chWrite(c.chan,0x11,chan[c.chan].freqSweepP>>8);
|
|
break;
|
|
case 1:
|
|
chan[c.chan].volSweepP=(chan[c.chan].volSweepP&0xff)|(c.value2<<8);
|
|
chWrite(c.chan,0x15,chan[c.chan].volSweepP>>8);
|
|
break;
|
|
case 2:
|
|
chan[c.chan].cutSweepP=(chan[c.chan].cutSweepP&0xff)|(c.value2<<8);
|
|
chWrite(c.chan,0x19,chan[c.chan].cutSweepP>>8);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_SU_SWEEP_BOUND: {
|
|
switch (c.value) {
|
|
case 0:
|
|
chan[c.chan].freqSweepB=c.value2;
|
|
chWrite(c.chan,0x13,chan[c.chan].freqSweepB);
|
|
break;
|
|
case 1:
|
|
chan[c.chan].volSweepB=c.value2;
|
|
chWrite(c.chan,0x17,chan[c.chan].volSweepB);
|
|
break;
|
|
case 2:
|
|
chan[c.chan].cutSweepB=c.value2;
|
|
chWrite(c.chan,0x1b,chan[c.chan].cutSweepB);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
case DIV_CMD_SU_SWEEP_ENABLE: {
|
|
switch (c.value) {
|
|
case 0:
|
|
chan[c.chan].freqSweepV=c.value2;
|
|
chan[c.chan].freqSweep=(c.value2>0);
|
|
chWrite(c.chan,0x12,chan[c.chan].freqSweepV);
|
|
break;
|
|
case 1:
|
|
chan[c.chan].volSweepV=c.value2;
|
|
chan[c.chan].volSweep=(c.value2>0);
|
|
chWrite(c.chan,0x16,chan[c.chan].volSweepV);
|
|
break;
|
|
case 2:
|
|
chan[c.chan].cutSweepV=c.value2;
|
|
chan[c.chan].cutSweep=(c.value2>0);
|
|
chWrite(c.chan,0x1a,chan[c.chan].cutSweepV);
|
|
break;
|
|
}
|
|
writeControlUpper(c.chan);
|
|
break;
|
|
}
|
|
case DIV_CMD_SU_SYNC_PERIOD_LOW:
|
|
chan[c.chan].syncTimer=(chan[c.chan].syncTimer&0xff00)|c.value;
|
|
chan[c.chan].timerSync=(chan[c.chan].syncTimer>0);
|
|
chWrite(c.chan,0x1e,chan[c.chan].syncTimer&0xff);
|
|
chWrite(c.chan,0x1f,chan[c.chan].syncTimer>>8);
|
|
writeControlUpper(c.chan);
|
|
break;
|
|
case DIV_CMD_SU_SYNC_PERIOD_HIGH:
|
|
chan[c.chan].syncTimer=(chan[c.chan].syncTimer&0xff)|(c.value<<8);
|
|
chan[c.chan].timerSync=(chan[c.chan].syncTimer>0);
|
|
chWrite(c.chan,0x1e,chan[c.chan].syncTimer&0xff);
|
|
chWrite(c.chan,0x1f,chan[c.chan].syncTimer>>8);
|
|
writeControlUpper(c.chan);
|
|
break;
|
|
case DIV_CMD_C64_FINE_CUTOFF:
|
|
chan[c.chan].baseCutoff=c.value;
|
|
if (!chan[c.chan].std.ex1.has) {
|
|
chan[c.chan].cutoff=chan[c.chan].baseCutoff;
|
|
chWrite(c.chan,0x06,chan[c.chan].cutoff&0xff);
|
|
chWrite(c.chan,0x07,chan[c.chan].cutoff>>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*((parent->song.linearPitch==2)?1:(1+(chan[c.chan].baseFreq>>9)));
|
|
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:(1+(chan[c.chan].baseFreq>>9)));
|
|
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_PANNING: {
|
|
chan[c.chan].pan=parent->convertPanSplitToLinearLR(c.value,c.value2,254)-127;
|
|
chWrite(c.chan,0x03,chan[c.chan].pan);
|
|
break;
|
|
}
|
|
case DIV_CMD_SAMPLE_POS:
|
|
chan[c.chan].hasOffset=c.value;
|
|
chan[c.chan].keyOn=true;
|
|
break;
|
|
case DIV_CMD_LEGATO:
|
|
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value+((chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode)?(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_SU));
|
|
}
|
|
chan[c.chan].inPorta=c.value;
|
|
break;
|
|
case DIV_CMD_GET_VOLMAX:
|
|
return 127;
|
|
break;
|
|
case DIV_ALWAYS_SET_VOLUME:
|
|
return 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::muteChannel(int ch, bool mute) {
|
|
isMuted[ch]=mute;
|
|
su->muted[ch]=mute;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::forceIns() {
|
|
for (int i=0; i<8; i++) {
|
|
chan[i].insChanged=true;
|
|
chan[i].freqChanged=true;
|
|
}
|
|
}
|
|
|
|
void* DivPlatformSoundUnit::getChanState(int ch) {
|
|
return &chan[ch];
|
|
}
|
|
|
|
DivDispatchOscBuffer* DivPlatformSoundUnit::getOscBuffer(int ch) {
|
|
return oscBuf[ch];
|
|
}
|
|
|
|
unsigned char* DivPlatformSoundUnit::getRegisterPool() {
|
|
return (unsigned char*)su->chan;
|
|
}
|
|
|
|
int DivPlatformSoundUnit::getRegisterPoolSize() {
|
|
return 256;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::reset() {
|
|
while (!writes.empty()) writes.pop();
|
|
memset(regPool,0,128);
|
|
for (int i=0; i<8; i++) {
|
|
chan[i]=DivPlatformSoundUnit::Channel();
|
|
chan[i].std.setEngine(parent);
|
|
}
|
|
if (dumpWrites) {
|
|
addWrite(0xffffffff,0);
|
|
}
|
|
su->Reset();
|
|
for (int i=0; i<8; i++) {
|
|
chWrite(i,0x08,0x3f);
|
|
}
|
|
lastPan=0xff;
|
|
cycles=0;
|
|
curChan=-1;
|
|
sampleBank=0;
|
|
lfoMode=0;
|
|
lfoSpeed=255;
|
|
delay=500;
|
|
}
|
|
|
|
bool DivPlatformSoundUnit::isStereo() {
|
|
return true;
|
|
}
|
|
|
|
bool DivPlatformSoundUnit::keyOffAffectsArp(int ch) {
|
|
return true;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::notifyInsDeletion(void* ins) {
|
|
for (int i=0; i<8; i++) {
|
|
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
|
|
}
|
|
}
|
|
|
|
void DivPlatformSoundUnit::setFlags(unsigned int flags) {
|
|
if (flags&1) {
|
|
chipClock=1190000;
|
|
} else {
|
|
chipClock=1236000;
|
|
}
|
|
rate=chipClock/4;
|
|
for (int i=0; i<8; i++) {
|
|
oscBuf[i]->rate=rate;
|
|
}
|
|
}
|
|
|
|
void DivPlatformSoundUnit::poke(unsigned int addr, unsigned short val) {
|
|
rWrite(addr,val);
|
|
}
|
|
|
|
void DivPlatformSoundUnit::poke(std::vector<DivRegWrite>& wlist) {
|
|
for (DivRegWrite& i: wlist) rWrite(i.addr,i.val);
|
|
}
|
|
|
|
const void* DivPlatformSoundUnit::getSampleMem(int index) {
|
|
return (index==0)?su->pcm:NULL;
|
|
}
|
|
|
|
size_t DivPlatformSoundUnit::getSampleMemCapacity(int index) {
|
|
return (index==0)?8192:0;
|
|
}
|
|
|
|
size_t DivPlatformSoundUnit::getSampleMemUsage(int index) {
|
|
return (index==0)?sampleMemLen:0;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::renderSamples() {
|
|
memset(su->pcm,0,getSampleMemCapacity(0));
|
|
|
|
size_t memPos=0;
|
|
for (int i=0; i<parent->song.sampleLen; i++) {
|
|
DivSample* s=parent->song.sample[i];
|
|
int paddedLen=s->samples;
|
|
if (memPos>=getSampleMemCapacity(0)) {
|
|
logW("out of PCM memory for sample %d!",i);
|
|
break;
|
|
}
|
|
if (memPos+paddedLen>=getSampleMemCapacity(0)) {
|
|
memcpy(su->pcm+memPos,s->data8,getSampleMemCapacity(0)-memPos);
|
|
logW("out of PCM memory for sample %d!",i);
|
|
} else {
|
|
memcpy(su->pcm+memPos,s->data8,paddedLen);
|
|
}
|
|
s->offSU=memPos;
|
|
memPos+=paddedLen;
|
|
}
|
|
sampleMemLen=memPos;
|
|
|
|
}
|
|
|
|
int DivPlatformSoundUnit::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
|
|
parent=p;
|
|
dumpWrites=false;
|
|
skipRegisterWrites=false;
|
|
for (int i=0; i<8; i++) {
|
|
isMuted[i]=false;
|
|
oscBuf[i]=new DivDispatchOscBuffer;
|
|
}
|
|
setFlags(flags);
|
|
su=new SoundUnit();
|
|
su->Init();
|
|
reset();
|
|
return 6;
|
|
}
|
|
|
|
void DivPlatformSoundUnit::quit() {
|
|
for (int i=0; i<8; i++) {
|
|
delete oscBuf[i];
|
|
}
|
|
delete su;
|
|
}
|
|
|
|
DivPlatformSoundUnit::~DivPlatformSoundUnit() {
|
|
}
|