Merge branch 'master' of https://github.com/tildearrow/furnace into x16

This commit is contained in:
Natt Akuma 2022-03-07 16:46:32 +07:00
commit 3b88786ffb
35 changed files with 1745 additions and 109 deletions

View file

@ -29,6 +29,12 @@
#define addWrite(a,v) regWrites.push_back(DivRegWrite(a,v));
// HOW TO ADD A NEW COMMAND:
// add it to this enum. then see playback.cpp.
// there is a const char* cmdName[] array, which contains the command
// names as strings for the commands (and other debug stuff).
//
// if you miss it, the program will crash or misbehave at some point.
enum DivDispatchCmds {
DIV_CMD_NOTE_ON=0,
DIV_CMD_NOTE_OFF,
@ -310,6 +316,11 @@ class DivDispatch {
*/
virtual void notifyInsDeletion(void* ins);
/**
* notify that playback stopped.
*/
virtual void notifyPlaybackStop();
/**
* force-retrigger instruments.
*/

View file

@ -34,9 +34,11 @@
#include "platform/ym2610bext.h"
#include "platform/ay.h"
#include "platform/ay8930.h"
#include "platform/opl.h"
#include "platform/tia.h"
#include "platform/saa.h"
#include "platform/amiga.h"
#include "platform/pcspkr.h"
#include "platform/segapcm.h"
#include "platform/qsound.h"
#include "platform/vera.h"
@ -210,6 +212,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
((DivPlatformOPLL*)dispatch)->setVRC7(sys==DIV_SYSTEM_VRC7);
((DivPlatformOPLL*)dispatch)->setProperDrums(sys==DIV_SYSTEM_OPLL_DRUMS);
break;
case DIV_SYSTEM_OPL3:
dispatch=new DivPlatformOPL;
break;
case DIV_SYSTEM_SAA1099: {
int saaCore=eng->getConfInt("saaCore",0);
if (saaCore<0 || saaCore>2) saaCore=0;
@ -217,6 +222,9 @@ void DivDispatchContainer::init(DivSystem sys, DivEngine* eng, int chanCount, do
((DivPlatformSAA1099*)dispatch)->setCore((DivSAACores)saaCore);
break;
}
case DIV_SYSTEM_PCSPKR:
dispatch=new DivPlatformPCSpeaker;
break;
case DIV_SYSTEM_LYNX:
dispatch=new DivPlatformLynx;
break;

View file

@ -828,6 +828,9 @@ void DivEngine::stop() {
sPreview.sample=-1;
sPreview.wave=-1;
sPreview.pos=0;
for (int i=0; i<song.systemLen; i++) {
disCont[i].dispatch->notifyPlaybackStop();
}
isBusy.unlock();
}

View file

@ -1112,6 +1112,7 @@ bool DivEngine::loadFur(unsigned char* file, size_t len) {
logW("%d: sample depth is wrong! (%d)\n",i,sample->depth);
sample->depth=16;
}
sample->samples=(double)sample->samples/samplePitches[pitch];
sample->init(sample->samples);
unsigned int k=0;

View file

@ -23,6 +23,9 @@
#include "dataErrors.h"
#include "../ta-utils.h"
// NOTICE!
// before adding new instrument types to this struct, please ask me first.
// absolutely zero support granted to conflicting formats.
enum DivInstrumentType {
DIV_INS_STD=0,
DIV_INS_FM=1,

View file

@ -97,6 +97,10 @@ void DivDispatch::notifyInsDeletion(void* ins) {
}
void DivDispatch::notifyPlaybackStop() {
}
void DivDispatch::forceIns() {
}

View file

@ -84,7 +84,7 @@ void DivPlatformAmiga::acquire(short* bufL, short* bufR, size_t start, size_t le
} else {
chan[i].sample=-1;
}
if (chan[i].freq<124) {
/*if (chan[i].freq<124) {
if (++chan[i].busClock>=512) {
unsigned int rAmount=(124-chan[i].freq)*2;
if (chan[i].audPos>=rAmount) {
@ -92,7 +92,7 @@ void DivPlatformAmiga::acquire(short* bufL, short* bufR, size_t start, size_t le
}
chan[i].busClock=0;
}
}
}*/
chan[i].audSub+=MAX(114,chan[i].freq);
}
}

View file

@ -495,8 +495,8 @@ int DivPlatformArcade::dispatch(DivCommand c) {
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
chan[c.chan].chVolL=((c.value>>4)==1);
chan[c.chan].chVolR=((c.value&15)==1);
chan[c.chan].chVolL=((c.value>>4)>0);
chan[c.chan].chVolR=((c.value&15)>0);
if (isMuted[c.chan]) {
rWrite(chanOffs[c.chan]+ADDR_LR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
} else {

View file

@ -491,6 +491,12 @@ void DivPlatformAY8910::setFlags(unsigned int flags) {
case 8:
chipClock=COLOR_PAL*3.0/16.0;
break;
case 9:
chipClock=COLOR_PAL/4.0;
break;
case 10:
chipClock=2097152;
break;
default:
chipClock=COLOR_NTSC/2.0;
break;

View file

@ -552,6 +552,12 @@ void DivPlatformAY8930::setFlags(unsigned int flags) {
case 8:
chipClock=COLOR_PAL*3.0/16.0;
break;
case 9:
chipClock=COLOR_PAL/4.0;
break;
case 10:
chipClock=2097152;
break;
default:
chipClock=COLOR_NTSC/2.0;
break;

View file

@ -340,6 +340,7 @@ int DivPlatformGB::dispatch(DivCommand c) {
case DIV_CMD_PANNING: {
lastPan&=~(0x11<<c.chan);
if (c.value==0) c.value=0x11;
c.value=((c.value&15)>0)|(((c.value>>4)>0)<<4);
lastPan|=c.value<<c.chan;
rWrite(0x25,procMute());
break;

View file

@ -590,16 +590,10 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
chan[c.chan].pan=1;
break;
case 0x10:
chan[c.chan].pan=2;
break;
default:
chan[c.chan].pan=3;
break;
if (c.value==0) {
chan[c.chan].pan=3;
} else {
chan[c.chan].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
}
rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
break;

View file

@ -106,16 +106,10 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
opChan[ch].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
opChan[ch].pan=1;
break;
case 0x10:
opChan[ch].pan=2;
break;
default:
opChan[ch].pan=3;
break;
if (c.value==0) {
opChan[ch].pan=3;
} else {
opChan[ch].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
}
// TODO: ???
rWrite(chanOffs[2]+0xb4,(opChan[ch].pan<<6)|(chan[2].state.fms&7)|((chan[2].state.ams&3)<<4));
@ -378,4 +372,4 @@ void DivPlatformGenesisExt::quit() {
}
DivPlatformGenesisExt::~DivPlatformGenesisExt() {
}
}

845
src/engine/platform/opl.cpp Normal file
View file

@ -0,0 +1,845 @@
/**
* 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 "opl.h"
#include "../engine.h"
#include <string.h>
#include <math.h>
#define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
#define immWrite(a,v) if (!skipRegisterWrites) {writes.emplace(a,v); if (dumpWrites) {addWrite(a,v);} }
#define CHIP_FREQBASE 4720272
// N = invalid
#define N 255
const unsigned char slotsOPL2[4][20]={
{0, 1, 2, 6, 7, 8, 12, 13, 14}, // OP1
{3, 4, 5, 9, 10, 11, 15, 16, 17}, // OP2
{N, N, N, N, N, N, N, N, N},
{N, N, N, N, N, N, N, N, N}
};
const unsigned char slotsOPL2Drums[4][20]={
{0, 1, 2, 6, 7, 8, 12, 16, 14, 17, 13}, // OP1
{3, 4, 5, 9, 10, 11, 15, N, N, N, N}, // OP2
{N, N, N, N, N, N, N, N, N, N, N},
{N, N, N, N, N, N, N, N, N, N, N}
};
const unsigned char chanMapOPL2[20]={
0, 1, 2, 3, 4, 5, 6, 7, 8, N, N, N, N, N, N, N, N, N, N, N
};
const unsigned char slotsOPL3[4][20]={
{0, 6, 1, 7, 2, 8, 18, 24, 19, 25, 20, 26, 30, 31, 32, 12, 13, 14}, // OP1
{3, 9, 4, 10, 5, 11, 21, 27, 22, 28, 23, 29, 33, 34, 35, 15, 16, 17}, // OP2
{6, N, 7, N, 8, N, 24, N, 25, N, 26, N, N, N, N, N, N, N}, // OP3
{9, N, 10, N, 11, N, 27, N, 28, N, 29, N, N, N, N, N, N, N} // OP4
};
const unsigned char slotsOPL3Drums[4][20]={
{0, 6, 1, 7, 2, 8, 18, 24, 19, 25, 20, 26, 30, 31, 32, 12, 16, 14, 17, 13}, // OP1
{3, 9, 4, 10, 5, 11, 21, 27, 22, 28, 23, 29, 33, 34, 35, N, N, N, N, N}, // OP2
{6, N, 7, N, 8, N, 24, N, 25, N, 26, N, N, N, N, N, N, N, N, N}, // OP3
{9, N, 10, N, 11, N, 27, N, 28, N, 29, N, N, N, N, N, N, N, N, N} // OP4
};
const unsigned char chanMapOPL3[20]={
0, 3, 1, 4, 2, 5, 9, 12, 10, 13, 11, 14, 15, 16, 17, 6, 7, 8, N, N
};
#undef N
const char* DivPlatformOPL::getEffectName(unsigned char effect) {
switch (effect) {
case 0x10:
return "10xy: Setup LFO (x: enable; y: speed)";
break;
case 0x11:
return "11xx: Set feedback (0 to 7)";
break;
case 0x12:
return "12xx: Set level of operator 1 (0 highest, 3F lowest)";
break;
case 0x13:
return "13xx: Set level of operator 2 (0 highest, 3F lowest)";
break;
case 0x14:
return "14xx: Set level of operator 3 (0 highest, 3F lowest; 4-op only)";
break;
case 0x15:
return "15xx: Set level of operator 4 (0 highest, 3F lowest; 4-op only)";
break;
case 0x16:
return "16xy: Set operator multiplier (x: operator from 1 to 4; y: multiplier)";
break;
case 0x17:
return "17xx: Enable channel 6 DAC";
break;
case 0x18:
return "18xx: Toggle extended channel 3 mode";
break;
case 0x19:
return "19xx: Set attack of all operators (0 to F)";
break;
case 0x1a:
return "1Axx: Set attack of operator 1 (0 to F)";
break;
case 0x1b:
return "1Bxx: Set attack of operator 2 (0 to F)";
break;
case 0x1c:
return "1Cxx: Set attack of operator 3 (0 to F; 4-op only)";
break;
case 0x1d:
return "1Dxx: Set attack of operator 4 (0 to F; 4-op only)";
break;
case 0x20:
return "20xy: Set PSG noise mode (x: preset freq/ch3 freq; y: thin pulse/noise)";
break;
}
return NULL;
}
void DivPlatformOPL::acquire_nuked(short* bufL, short* bufR, size_t start, size_t len) {
static short o[2];
static int os[2];
for (size_t h=start; h<start+len; h++) {
os[0]=0; os[1]=0;
if (!writes.empty() && --delay<0) {
delay=12;
QueuedWrite& w=writes.front();
if (w.addrOrVal) {
OPL3_WriteReg(&fm,0x1+((w.addr>>8)<<1),w.val);
//printf("write: %x = %.2x\n",w.addr,w.val);
lastBusy=0;
regPool[w.addr&0x1ff]=w.val;
writes.pop();
} else {
lastBusy++;
//printf("busycounter: %d\n",lastBusy);
OPL3_WriteReg(&fm,0x0+((w.addr>>8)<<1),w.addr);
w.addrOrVal=true;
}
}
OPL3_Generate(&fm,o); os[0]+=o[0]; os[1]+=o[1];
if (os[0]<-32768) os[0]=-32768;
if (os[0]>32767) os[0]=32767;
if (os[1]<-32768) os[1]=-32768;
if (os[1]>32767) os[1]=32767;
bufL[h]=os[0];
bufR[h]=os[1];
}
}
void DivPlatformOPL::acquire(short* bufL, short* bufR, size_t start, size_t len) {
//if (useYMFM) {
// acquire_ymfm(bufL,bufR,start,len);
//} else {
acquire_nuked(bufL,bufR,start,len);
//}
}
void DivPlatformOPL::tick() {
/*
for (int i=0; i<20; i++) {
if (i==2 && extMode) continue;
chan[i].std.next();
if (chan[i].std.hadVol) {
chan[i].outVol=(chan[i].vol*MIN(127,chan[i].std.vol))/127;
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
}
if (chan[i].std.hadArp) {
if (!chan[i].inPorta) {
if (chan[i].std.arpMode) {
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].std.arp);
} else {
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note+(signed char)chan[i].std.arp);
}
}
chan[i].freqChanged=true;
} else {
if (chan[i].std.arpMode && chan[i].std.finishedArp) {
chan[i].baseFreq=NOTE_FREQUENCY(chan[i].note);
chan[i].freqChanged=true;
}
}
if (chan[i].std.hadAlg) {
chan[i].state.alg=chan[i].std.alg;
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
}
if (chan[i].std.hadFb) {
chan[i].state.fb=chan[i].std.fb;
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
}
if (chan[i].std.hadFms) {
chan[i].state.fms=chan[i].std.fms;
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
}
if (chan[i].std.hadAms) {
chan[i].state.ams=chan[i].std.ams;
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
}
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
DivMacroInt::IntOp& m=chan[i].std.op[j];
if (m.hadAm) {
op.am=m.am;
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
}
if (m.hadAr) {
op.ar=m.ar;
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
if (m.hadDr) {
op.dr=m.dr;
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
}
if (m.hadMult) {
op.mult=m.mult;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
}
if (m.hadRr) {
op.rr=m.rr;
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
if (m.hadSl) {
op.sl=m.sl;
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
}
if (m.hadTl) {
op.tl=127-m.tl;
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (m.hadRs) {
op.rs=m.rs;
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
if (m.hadDt) {
op.dt=m.dt;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
}
if (m.hadD2r) {
op.d2r=m.d2r;
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
}
if (m.hadSsg) {
op.ssgEnv=m.ssg;
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
}
}
if (chan[i].keyOn || chan[i].keyOff) {
immWrite(0x28,0x00|konOffs[i]);
chan[i].keyOff=false;
}
}
*/
for (int i=0; i<512; i++) {
if (pendingWrites[i]!=oldWrites[i]) {
immWrite(i,pendingWrites[i]&0xff);
oldWrites[i]=pendingWrites[i];
}
}
/*
for (int i=0; i<20; i++) {
if (chan[i].freqChanged) {
chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,octave(chan[i].baseFreq));
if (chan[i].freq>262143) chan[i].freq=262143;
int freqt=toFreq(chan[i].freq);
immWrite(chanOffs[i]+ADDR_FREQH,freqt>>8);
immWrite(chanOffs[i]+ADDR_FREQ,freqt&0xff);
if (chan[i].furnaceDac && dacMode) {
double off=1.0;
if (dacSample>=0 && dacSample<parent->song.sampleLen) {
DivSample* s=parent->getSample(dacSample);
if (s->centerRate<1) {
off=1.0;
} else {
off=8363.0/(double)s->centerRate;
}
}
dacRate=(1280000*1.25*off)/MAX(1,chan[i].baseFreq);
if (dacRate<1) dacRate=1;
if (dumpWrites) addWrite(0xffff0001,1280000/dacRate);
}
chan[i].freqChanged=false;
}
if (chan[i].keyOn) {
immWrite(0x28,0xf0|konOffs[i]);
chan[i].keyOn=false;
}
}
*/
}
int DivPlatformOPL::octave(int freq) {
if (freq>=82432) {
return 128;
} else if (freq>=41216) {
return 64;
} else if (freq>=20608) {
return 32;
} else if (freq>=10304) {
return 16;
} else if (freq>=5152) {
return 8;
} else if (freq>=2576) {
return 4;
} else if (freq>=1288) {
return 2;
} else {
return 1;
}
return 1;
}
int DivPlatformOPL::toFreq(int freq) {
if (freq>=82432) {
return 0x3800|((freq>>7)&0x7ff);
} else if (freq>=41216) {
return 0x3000|((freq>>6)&0x7ff);
} else if (freq>=20608) {
return 0x2800|((freq>>5)&0x7ff);
} else if (freq>=10304) {
return 0x2000|((freq>>4)&0x7ff);
} else if (freq>=5152) {
return 0x1800|((freq>>3)&0x7ff);
} else if (freq>=2576) {
return 0x1000|((freq>>2)&0x7ff);
} else if (freq>=1288) {
return 0x800|((freq>>1)&0x7ff);
} else {
return freq&0x7ff;
}
}
void DivPlatformOPL::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
/*
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[ch]|opOffs[j];
DivInstrumentFM::Operator& op=chan[ch].state.op[j];
if (isMuted[ch]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[ch].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[ch].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
rWrite(chanOffs[ch]+ADDR_LRAF,(isMuted[ch]?0:(chan[ch].pan<<6))|(chan[ch].state.fms&7)|((chan[ch].state.ams&3)<<4));
*/
}
int DivPlatformOPL::dispatch(DivCommand c) {
switch (c.cmd) {
case DIV_CMD_NOTE_ON: {
DivInstrument* ins=parent->getIns(chan[c.chan].ins);
if (chan[c.chan].insChanged) {
chan[c.chan].state=ins->fm;
}
chan[c.chan].std.init(ins);
if (!chan[c.chan].std.willVol) {
chan[c.chan].outVol=chan[c.chan].vol;
}
/*
for (int i=0; i<4; i++) {
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[c.chan].state.alg][i]) {
if (!chan[c.chan].active || chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
}
} else {
if (chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
if (chan[c.chan].insChanged) {
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
}
}
if (chan[c.chan].insChanged) {
rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
}
*/
chan[c.chan].insChanged=false;
if (c.value!=DIV_NOTE_NULL) {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
}
chan[c.chan].keyOn=true;
chan[c.chan].active=true;
break;
}
case DIV_CMD_NOTE_OFF:
if (c.chan==5) {
dacSample=-1;
if (dumpWrites) addWrite(0xffff0002,0);
}
chan[c.chan].keyOff=true;
chan[c.chan].keyOn=false;
chan[c.chan].active=false;
break;
case DIV_CMD_NOTE_OFF_ENV:
if (c.chan==5) {
dacSample=-1;
if (dumpWrites) addWrite(0xffff0002,0);
}
chan[c.chan].keyOff=true;
chan[c.chan].keyOn=false;
chan[c.chan].active=false;
chan[c.chan].std.release();
break;
case DIV_CMD_ENV_RELEASE:
chan[c.chan].std.release();
break;
case DIV_CMD_VOLUME: {
chan[c.chan].vol=c.value;
if (!chan[c.chan].std.hasVol) {
chan[c.chan].outVol=c.value;
}
/*
for (int i=0; i<4; i++) {
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[c.chan].state.alg][i]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
}
*/
break;
}
case DIV_CMD_GET_VOLUME: {
return chan[c.chan].vol;
break;
}
case DIV_CMD_INSTRUMENT:
if (chan[c.chan].ins!=c.value || c.value2==1) {
chan[c.chan].insChanged=true;
}
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
chan[c.chan].pan=1;
break;
case 0x10:
chan[c.chan].pan=2;
break;
default:
chan[c.chan].pan=3;
break;
}
//rWrite(chanOffs[c.chan]+ADDR_LRAF,(isMuted[c.chan]?0:(chan[c.chan].pan<<6))|(chan[c.chan].state.fms&7)|((chan[c.chan].state.ams&3)<<4));
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_FREQUENCY(c.value2);
int newFreq;
bool return2=false;
if (destFreq>chan[c.chan].baseFreq) {
newFreq=chan[c.chan].baseFreq+c.value*octave(chan[c.chan].baseFreq);
if (newFreq>=destFreq) {
newFreq=destFreq;
return2=true;
}
} else {
newFreq=chan[c.chan].baseFreq-c.value*octave(chan[c.chan].baseFreq);
if (newFreq<=destFreq) {
newFreq=destFreq;
return2=true;
}
}
if (!chan[c.chan].portaPause) {
if (octave(chan[c.chan].baseFreq)!=octave(newFreq)) {
chan[c.chan].portaPause=true;
break;
}
}
chan[c.chan].baseFreq=newFreq;
chan[c.chan].portaPause=false;
chan[c.chan].freqChanged=true;
if (return2) {
chan[c.chan].inPorta=false;
return 2;
}
break;
}
case DIV_CMD_SAMPLE_MODE: {
dacMode=c.value;
rWrite(0x2b,c.value<<7);
break;
}
case DIV_CMD_SAMPLE_BANK:
sampleBank=c.value;
if (sampleBank>(parent->song.sample.size()/12)) {
sampleBank=parent->song.sample.size()/12;
}
break;
case DIV_CMD_LEGATO: {
chan[c.chan].baseFreq=NOTE_FREQUENCY(c.value);
chan[c.chan].note=c.value;
chan[c.chan].freqChanged=true;
break;
}
case DIV_CMD_FM_LFO: {
lfoValue=(c.value&7)|((c.value>>4)<<3);
rWrite(0x22,lfoValue);
break;
}
case DIV_CMD_FM_FB: {
chan[c.chan].state.fb=c.value&7;
//rWrite(chanOffs[c.chan]+ADDR_FB_ALG,(chan[c.chan].state.alg&7)|(chan[c.chan].state.fb<<3));
break;
}
case DIV_CMD_FM_MULT: {
/*
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
op.mult=c.value2&15;
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
*/
break;
}
case DIV_CMD_FM_TL: {
/*
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
op.tl=c.value2;
if (isMuted[c.chan]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[c.chan].state.alg][c.value]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[c.chan].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
*/
break;
}
case DIV_CMD_FM_AR: {
/*
if (c.value<0) {
for (int i=0; i<4; i++) {
DivInstrumentFM::Operator& op=chan[c.chan].state.op[i];
op.ar=c.value2&31;
unsigned short baseAddr=chanOffs[c.chan]|opOffs[i];
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
} else {
DivInstrumentFM::Operator& op=chan[c.chan].state.op[orderedOps[c.value]];
op.ar=c.value2&31;
unsigned short baseAddr=chanOffs[c.chan]|opOffs[orderedOps[c.value]];
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
}
*/
break;
}
case DIV_ALWAYS_SET_VOLUME:
return 0;
break;
case DIV_CMD_GET_VOLMAX:
return 127;
break;
case DIV_CMD_PRE_PORTA:
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_PRE_NOTE:
break;
default:
//printf("WARNING: unimplemented command %d\n",c.cmd);
break;
}
return 1;
}
void DivPlatformOPL::forceIns() {
/*
for (int i=0; i<20; i++) {
for (int j=0; j<4; j++) {
unsigned short baseAddr=chanOffs[i]|opOffs[j];
DivInstrumentFM::Operator& op=chan[i].state.op[j];
if (isMuted[i]) {
rWrite(baseAddr+ADDR_TL,127);
} else {
if (isOutput[chan[i].state.alg][j]) {
rWrite(baseAddr+ADDR_TL,127-(((127-op.tl)*(chan[i].outVol&0x7f))/127));
} else {
rWrite(baseAddr+ADDR_TL,op.tl);
}
}
rWrite(baseAddr+ADDR_MULT_DT,(op.mult&15)|(dtTable[op.dt&7]<<4));
rWrite(baseAddr+ADDR_RS_AR,(op.ar&31)|(op.rs<<6));
rWrite(baseAddr+ADDR_AM_DR,(op.dr&31)|(op.am<<7));
rWrite(baseAddr+ADDR_DT2_D2R,op.d2r&31);
rWrite(baseAddr+ADDR_SL_RR,(op.rr&15)|(op.sl<<4));
rWrite(baseAddr+ADDR_SSG,op.ssgEnv&15);
}
rWrite(chanOffs[i]+ADDR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3));
rWrite(chanOffs[i]+ADDR_LRAF,(isMuted[i]?0:(chan[i].pan<<6))|(chan[i].state.fms&7)|((chan[i].state.ams&3)<<4));
if (chan[i].active) {
chan[i].keyOn=true;
chan[i].freqChanged=true;
}
}
if (dacMode) {
rWrite(0x2b,0x80);
}
immWrite(0x22,lfoValue);
*/
}
void DivPlatformOPL::toggleRegisterDump(bool enable) {
DivDispatch::toggleRegisterDump(enable);
}
void* DivPlatformOPL::getChanState(int ch) {
return &chan[ch];
}
unsigned char* DivPlatformOPL::getRegisterPool() {
return regPool;
}
int DivPlatformOPL::getRegisterPoolSize() {
return 512;
}
void DivPlatformOPL::reset() {
while (!writes.empty()) writes.pop();
memset(regPool,0,512);
/*
if (useYMFM) {
fm_ymfm->reset();
}
*/
OPL3_Reset(&fm,rate);
if (dumpWrites) {
addWrite(0xffffffff,0);
}
for (int i=0; i<20; i++) {
chan[i]=DivPlatformOPL::Channel();
chan[i].vol=0x3f;
chan[i].outVol=0x3f;
}
for (int i=0; i<512; i++) {
oldWrites[i]=-1;
pendingWrites[i]=-1;
}
lastBusy=60;
dacMode=0;
dacPeriod=0;
dacPos=0;
dacRate=0;
dacSample=-1;
sampleBank=0;
lfoValue=8;
extMode=false;
// LFO
immWrite(0x22,lfoValue);
delay=0;
}
bool DivPlatformOPL::isStereo() {
return true;
}
bool DivPlatformOPL::keyOffAffectsArp(int ch) {
return (ch>5);
}
bool DivPlatformOPL::keyOffAffectsPorta(int ch) {
return (ch>5);
}
void DivPlatformOPL::notifyInsChange(int ins) {
for (int i=0; i<20; i++) {
if (chan[i].ins==ins) {
chan[i].insChanged=true;
}
}
}
void DivPlatformOPL::notifyInsDeletion(void* ins) {
}
void DivPlatformOPL::poke(unsigned int addr, unsigned short val) {
immWrite(addr,val);
}
void DivPlatformOPL::poke(std::vector<DivRegWrite>& wlist) {
for (DivRegWrite& i: wlist) immWrite(i.addr,i.val);
}
int DivPlatformOPL::getPortaFloor(int ch) {
return (ch>5)?12:0;
}
void DivPlatformOPL::setYMFM(bool use) {
useYMFM=use;
}
void DivPlatformOPL::setOPLType(int type) {
switch (type) {
case 1: case 2:
slotsNonDrums=(const unsigned char**)slotsOPL2;
slotsDrums=(const unsigned char**)slotsOPL2Drums;
chanMap=chanMapOPL2;
break;
case 3:
slotsNonDrums=(const unsigned char**)slotsOPL3;
slotsDrums=(const unsigned char**)slotsOPL3Drums;
chanMap=chanMapOPL3;
break;
}
oplType=type;
}
void DivPlatformOPL::setFlags(unsigned int flags) {
/*
if (flags==3) {
chipClock=COLOR_NTSC*12.0/7.0;
} else if (flags==2) {
chipClock=8000000.0;
} else if (flags==1) {
chipClock=COLOR_PAL*12.0/7.0;
} else {
chipClock=COLOR_NTSC*15.0/7.0;
}
ladder=flags&0x80000000;
OPN2_SetChipType(ladder?ym3438_mode_ym2612:0);
if (useYMFM) {
if (fm_ymfm!=NULL) delete fm_ymfm;
if (ladder) {
fm_ymfm=new ymfm::ym2612(iface);
} else {
fm_ymfm=new ymfm::ym3438(iface);
}
rate=chipClock/144;
} else {
rate=chipClock/36;
}*/
chipClock=COLOR_NTSC*4.0;
rate=chipClock/32;
}
int DivPlatformOPL::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
parent=p;
dumpWrites=false;
ladder=false;
skipRegisterWrites=false;
for (int i=0; i<20; i++) {
isMuted[i]=false;
}
setFlags(flags);
reset();
return 10;
}
void DivPlatformOPL::quit() {
}
DivPlatformOPL::~DivPlatformOPL() {
}

125
src/engine/platform/opl.h Normal file
View file

@ -0,0 +1,125 @@
/**
* 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.
*/
#ifndef _OPL_H
#define _OPL_H
#include "../dispatch.h"
#include "../macroInt.h"
#include <queue>
#include "../../../extern/Nuked-OPL3/opl3.h"
class DivPlatformOPL: public DivDispatch {
protected:
struct Channel {
DivInstrumentFM state;
DivMacroInt std;
unsigned char freqH, freqL;
int freq, baseFreq, pitch, note;
unsigned char ins;
bool active, insChanged, freqChanged, keyOn, keyOff, portaPause, furnaceDac, inPorta;
int vol, outVol;
unsigned char pan;
Channel():
freqH(0),
freqL(0),
freq(0),
baseFreq(0),
pitch(0),
note(0),
ins(-1),
active(false),
insChanged(true),
freqChanged(false),
keyOn(false),
keyOff(false),
portaPause(false),
furnaceDac(false),
inPorta(false),
vol(0),
pan(3) {}
};
Channel chan[20];
bool isMuted[20];
struct QueuedWrite {
unsigned short addr;
unsigned char val;
bool addrOrVal;
QueuedWrite(unsigned short a, unsigned char v): addr(a), val(v), addrOrVal(false) {}
};
std::queue<QueuedWrite> writes;
opl3_chip fm;
const unsigned char** slotsNonDrums;
const unsigned char** slotsDrums;
const unsigned char** slots;
const unsigned char* chanMap;
int delay, oplType;
unsigned char lastBusy;
unsigned char regPool[512];
bool dacMode;
int dacPeriod;
int dacRate;
unsigned int dacPos;
int dacSample;
unsigned char sampleBank;
unsigned char lfoValue;
bool extMode, useYMFM;
bool ladder;
short oldWrites[512];
short pendingWrites[512];
int octave(int freq);
int toFreq(int freq);
friend void putDispatchChan(void*,int,int);
void acquire_nuked(short* bufL, short* bufR, size_t start, size_t len);
//void acquire_ymfm(short* bufL, short* bufR, size_t start, size_t len);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick();
void muteChannel(int ch, bool mute);
bool isStereo();
void setYMFM(bool use);
void setOPLType(int type);
bool keyOffAffectsArp(int ch);
bool keyOffAffectsPorta(int ch);
void toggleRegisterDump(bool enable);
void setFlags(unsigned int flags);
void notifyInsChange(int ins);
void notifyInsDeletion(void* ins);
int getPortaFloor(int ch);
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char* getEffectName(unsigned char effect);
int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
void quit();
~DivPlatformOPL();
};
#endif

View file

@ -29,17 +29,14 @@
const char* DivPlatformOPLL::getEffectName(unsigned char effect) {
switch (effect) {
case 0x10:
return "10xy: Setup LFO (x: enable; y: speed)";
break;
case 0x11:
return "11xx: Set feedback (0 to 7)";
break;
case 0x12:
return "12xx: Set level of operator 1 (0 highest, 7F lowest)";
return "12xx: Set level of operator 1 (0 highest, 3F lowest)";
break;
case 0x13:
return "13xx: Set level of operator 2 (0 highest, 7F lowest)";
return "13xx: Set level of operator 2 (0 highest, F lowest)";
break;
case 0x16:
return "16xy: Set operator multiplier (x: operator from 1 to 2; y: multiplier)";
@ -50,13 +47,13 @@ const char* DivPlatformOPLL::getEffectName(unsigned char effect) {
}
break;
case 0x19:
return "19xx: Set attack of all operators (0 to 1F)";
return "19xx: Set attack of all operators (0 to F)";
break;
case 0x1a:
return "1Axx: Set attack of operator 1 (0 to 1F)";
return "1Axx: Set attack of operator 1 (0 to F)";
break;
case 0x1b:
return "1Bxx: Set attack of operator 2 (0 to 1F)";
return "1Bxx: Set attack of operator 2 (0 to F)";
break;
}
return NULL;

View file

@ -0,0 +1,413 @@
/**
* 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 "pcspkr.h"
#include "../engine.h"
#include <math.h>
#ifdef __linux__
#include <sys/ioctl.h>
#include <sys/select.h>
#include <fcntl.h>
#include <unistd.h>
#include <linux/input.h>
#include <linux/kd.h>
#endif
#define PCSPKR_DIVIDER 4
#define CHIP_DIVIDER 1
const char* regCheatSheetPCSpeaker[]={
"Period", "0",
NULL
};
const char** DivPlatformPCSpeaker::getRegisterSheet() {
return regCheatSheetPCSpeaker;
}
const char* DivPlatformPCSpeaker::getEffectName(unsigned char effect) {
return NULL;
}
const float cut=0.05;
const float reso=0.06;
void DivPlatformPCSpeaker::acquire_unfilt(short* bufL, short* bufR, size_t start, size_t len) {
for (size_t i=start; i<start+len; i++) {
if (on) {
pos-=PCSPKR_DIVIDER;
while (pos<0) {
if (freq<1) {
pos=1;
} else {
pos+=freq;
}
}
bufL[i]=(pos>(freq>>1) && !isMuted[0])?32767:0;
} else {
bufL[i]=0;
}
}
}
void DivPlatformPCSpeaker::acquire_cone(short* bufL, short* bufR, size_t start, size_t len) {
for (size_t i=start; i<start+len; i++) {
if (on) {
pos-=PCSPKR_DIVIDER;
while (pos<0) {
if (freq<1) {
pos=1;
} else {
pos+=freq;
}
}
float next=(pos>((freq+16)>>1) && !isMuted[0])?1:0;
low+=0.04*band;
band+=0.04*(next-low-band);
float out=(low+band)*0.75;
if (out>1.0) out=1.0;
if (out<-1.0) out=-1.0;
bufL[i]=out*32767;
} else {
bufL[i]=0;
}
}
}
void DivPlatformPCSpeaker::acquire_piezo(short* bufL, short* bufR, size_t start, size_t len) {
for (size_t i=start; i<start+len; i++) {
if (on) {
pos-=PCSPKR_DIVIDER;
while (pos<0) {
if (freq<1) {
pos=1;
} else {
pos+=freq;
}
}
float next=(pos>((freq+64)>>1) && !isMuted[0])?1:0;
low+=cut*band;
band+=cut*(next-low-(reso*band));
float out=band*0.15-(next-low)*0.06;
if (out>1.0) out=1.0;
if (out<-1.0) out=-1.0;
bufL[i]=out*32767;
} else {
bufL[i]=0;
}
}
}
void DivPlatformPCSpeaker::beepFreq(int freq) {
#ifdef __linux__
static struct input_event ie;
if (beepFD>=0) {
gettimeofday(&ie.time,NULL);
ie.type=EV_SND;
ie.code=SND_TONE;
if (freq>0) {
ie.value=chipClock/freq;
} else {
ie.value=0;
}
if (write(beepFD,&ie,sizeof(struct input_event))<0) {
perror("error while writing frequency!");
} else {
//printf("writing freq: %d\n",freq);
}
}
#endif
}
void DivPlatformPCSpeaker::acquire_real(short* bufL, short* bufR, size_t start, size_t len) {
if (lastOn!=on || lastFreq!=freq) {
lastOn=on;
lastFreq=freq;
beepFreq((on && !isMuted[0])?freq:0);
}
for (size_t i=start; i<start+len; i++) {
bufL[i]=0;
}
}
void DivPlatformPCSpeaker::acquire(short* bufL, short* bufR, size_t start, size_t len) {
switch (speakerType) {
case 0:
acquire_unfilt(bufL,bufR,start,len);
break;
case 1:
acquire_cone(bufL,bufR,start,len);
break;
case 2:
acquire_piezo(bufL,bufR,start,len);
break;
case 3:
acquire_real(bufL,bufR,start,len);
break;
}
}
void DivPlatformPCSpeaker::tick() {
for (int i=0; i<1; i++) {
chan[i].std.next();
if (chan[i].std.hadVol) {
// ok, why are the volumes like that?
chan[i].outVol=chan[i].vol;
}
if (chan[i].std.hadArp) {
if (!chan[i].inPorta) {
if (chan[i].std.arpMode) {
chan[i].baseFreq=NOTE_PERIODIC(chan[i].std.arp);
} else {
chan[i].baseFreq=NOTE_PERIODIC(chan[i].note+chan[i].std.arp);
}
}
chan[i].freqChanged=true;
} else {
if (chan[i].std.arpMode && chan[i].std.finishedArp) {
chan[i].baseFreq=NOTE_PERIODIC(chan[i].note);
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,true)-1;
if (chan[i].freq<0) chan[i].freq=0;
if (chan[i].freq>65535) chan[i].freq=65535;
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 DivPlatformPCSpeaker::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].std.init(parent->getIns(chan[c.chan].ins));
break;
case DIV_CMD_NOTE_OFF:
chan[c.chan].active=false;
chan[c.chan].keyOff=true;
chan[c.chan].std.init(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.hasVol) {
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+((chan[c.chan].std.willArp && !chan[c.chan].std.arpMode)?(chan[c.chan].std.arp):(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].std.init(parent->getIns(chan[c.chan].ins));
}
chan[c.chan].inPorta=c.value;
break;
case DIV_CMD_GET_VOLMAX:
return 1;
break;
case DIV_ALWAYS_SET_VOLUME:
return 1;
break;
default:
break;
}
return 1;
}
void DivPlatformPCSpeaker::muteChannel(int ch, bool mute) {
isMuted[ch]=mute;
}
void DivPlatformPCSpeaker::forceIns() {
for (int i=0; i<1; i++) {
chan[i].insChanged=true;
}
}
void* DivPlatformPCSpeaker::getChanState(int ch) {
return &chan[ch];
}
unsigned char* DivPlatformPCSpeaker::getRegisterPool() {
if (on) {
regPool[0]=freq;
regPool[1]=freq>>8;
} else {
regPool[0]=0;
regPool[1]=0;
}
return regPool;
}
int DivPlatformPCSpeaker::getRegisterPoolSize() {
return 2;
}
void DivPlatformPCSpeaker::reset() {
for (int i=0; i<1; i++) {
chan[i]=DivPlatformPCSpeaker::Channel();
}
if (dumpWrites) {
addWrite(0xffffffff,0);
}
on=false;
lastOn=false;
freq=0;
lastFreq=0;
pos=0;
flip=false;
low=0;
band=0;
if (speakerType==3) {
#ifdef __linux__
if (beepFD==-1) {
beepFD=open("/dev/input/by-path/platform-pcspkr-event-spkr",O_WRONLY);
if (beepFD<0) {
perror("error while opening PC speaker");
}
}
#endif
beepFreq(0);
} else {
beepFreq(0);
}
memset(regPool,0,2);
}
bool DivPlatformPCSpeaker::keyOffAffectsArp(int ch) {
return true;
}
void DivPlatformPCSpeaker::setFlags(unsigned int flags) {
chipClock=COLOR_NTSC/3.0;
rate=chipClock/PCSPKR_DIVIDER;
speakerType=flags&3;
}
void DivPlatformPCSpeaker::notifyInsDeletion(void* ins) {
for (int i=0; i<1; i++) {
chan[i].std.notifyInsDeletion((DivInstrument*)ins);
}
}
void DivPlatformPCSpeaker::notifyPlaybackStop() {
beepFreq(0);
}
void DivPlatformPCSpeaker::poke(unsigned int addr, unsigned short val) {
// ???
}
void DivPlatformPCSpeaker::poke(std::vector<DivRegWrite>& wlist) {
// ???
}
int DivPlatformPCSpeaker::init(DivEngine* p, int channels, int sugRate, unsigned int flags) {
parent=p;
dumpWrites=false;
skipRegisterWrites=false;
beepFD=-1;
for (int i=0; i<1; i++) {
isMuted[i]=false;
}
setFlags(flags);
reset();
return 5;
}
void DivPlatformPCSpeaker::quit() {
if (speakerType==3) {
beepFreq(0);
}
#ifdef __linux__
if (beepFD>=0) close(beepFD);
#endif
}
DivPlatformPCSpeaker::~DivPlatformPCSpeaker() {
}

View file

@ -0,0 +1,95 @@
/**
* 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.
*/
#ifndef _PCSPKR_H
#define _PCSPKR_H
#include "../dispatch.h"
#include "../macroInt.h"
class DivPlatformPCSpeaker: public DivDispatch {
struct Channel {
int freq, baseFreq, pitch, note;
unsigned char ins, duty, sweep;
bool active, insChanged, freqChanged, sweepChanged, keyOn, keyOff, inPorta, furnaceDac;
signed char vol, outVol, wave;
DivMacroInt std;
Channel():
freq(0),
baseFreq(0),
pitch(0),
note(0),
ins(-1),
duty(0),
sweep(8),
active(false),
insChanged(true),
freqChanged(false),
sweepChanged(false),
keyOn(false),
keyOff(false),
inPorta(false),
furnaceDac(false),
vol(15),
outVol(15),
wave(-1) {}
};
Channel chan[1];
bool isMuted[1];
bool on, flip, lastOn;
int pos, speakerType, beepFD;
float low, band;
float low2, high2, band2;
float low3, band3;
unsigned short freq, lastFreq;
unsigned char regPool[2];
friend void putDispatchChan(void*,int,int);
void beepFreq(int freq);
void acquire_unfilt(short* bufL, short* bufR, size_t start, size_t len);
void acquire_cone(short* bufL, short* bufR, size_t start, size_t len);
void acquire_piezo(short* bufL, short* bufR, size_t start, size_t len);
void acquire_real(short* bufL, short* bufR, size_t start, size_t len);
public:
void acquire(short* bufL, short* bufR, size_t start, size_t len);
int dispatch(DivCommand c);
void* getChanState(int chan);
unsigned char* getRegisterPool();
int getRegisterPoolSize();
void reset();
void forceIns();
void tick();
void muteChannel(int ch, bool mute);
bool keyOffAffectsArp(int ch);
void setFlags(unsigned int flags);
void notifyInsDeletion(void* ins);
void notifyPlaybackStop();
void poke(unsigned int addr, unsigned short val);
void poke(std::vector<DivRegWrite>& wlist);
const char** getRegisterSheet();
const char* getEffectName(unsigned char effect);
int init(DivEngine* parent, int channels, int sugRate, unsigned int flags);
void quit();
~DivPlatformPCSpeaker();
};
#endif

View file

@ -892,16 +892,10 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
chan[c.chan].pan=1;
break;
case 0x10:
chan[c.chan].pan=2;
break;
default:
chan[c.chan].pan=3;
break;
if (c.value==0) {
chan[c.chan].pan=3;
} else {
chan[c.chan].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
}
if (c.chan>12) {
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));

View file

@ -955,16 +955,10 @@ int DivPlatformYM2610B::dispatch(DivCommand c) {
chan[c.chan].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
chan[c.chan].pan=1;
break;
case 0x10:
chan[c.chan].pan=2;
break;
default:
chan[c.chan].pan=3;
break;
if (c.value==0) {
chan[c.chan].pan=3;
} else {
chan[c.chan].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
}
if (c.chan>14) {
immWrite(0x11,isMuted[c.chan]?0:(chan[c.chan].pan<<6));

View file

@ -97,16 +97,10 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
opChan[ch].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
opChan[ch].pan=1;
break;
case 0x10:
opChan[ch].pan=2;
break;
default:
opChan[ch].pan=3;
break;
if (c.value==0) {
opChan[ch].pan=3;
} else {
opChan[ch].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
}
DivInstrument* ins=parent->getIns(opChan[ch].ins);
// TODO: ???
@ -334,4 +328,4 @@ void DivPlatformYM2610BExt::quit() {
}
DivPlatformYM2610BExt::~DivPlatformYM2610BExt() {
}
}

View file

@ -97,16 +97,10 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
opChan[ch].ins=c.value;
break;
case DIV_CMD_PANNING: {
switch (c.value) {
case 0x01:
opChan[ch].pan=1;
break;
case 0x10:
opChan[ch].pan=2;
break;
default:
opChan[ch].pan=3;
break;
if (c.value==0) {
opChan[ch].pan=3;
} else {
opChan[ch].pan=((c.value&15)>0)|(((c.value>>4)>0)<<1);
}
DivInstrument* ins=parent->getIns(opChan[ch].ins);
// TODO: ???
@ -334,4 +328,4 @@ void DivPlatformYM2610Ext::quit() {
}
DivPlatformYM2610Ext::~DivPlatformYM2610Ext() {
}
}

View file

@ -42,6 +42,7 @@ const char* notes[12]={
"C-", "C#", "D-", "D#", "E-", "F-", "F#", "G-", "G#", "A-", "A#", "B-"
};
// update this when adding new commands.
const char* cmdName[DIV_CMD_MAX]={
"NOTE_ON",
"NOTE_OFF",
@ -224,14 +225,6 @@ bool DivEngine::perSystemEffect(int ch, unsigned char effect, unsigned char effe
return false;
}
break;
case DIV_SYSTEM_LYNX:
if (effect>=0x30 && effect<0x40) {
int value = ((int)(effect&0x0f)<<8)|effectVal;
dispatchCmd(DivCommand(DIV_CMD_LYNX_LFSR_LOAD,ch,value));
break;
}
return false;
break;
case DIV_SYSTEM_OPLL_DRUMS:
switch (effect) {
case 0x18: // drum mode toggle
@ -545,6 +538,14 @@ bool DivEngine::perSystemPostEffect(int ch, unsigned char effect, unsigned char
return false;
}
break;
case DIV_SYSTEM_LYNX:
if (effect>=0x30 && effect<0x40) {
int value = ((int)(effect&0x0f)<<8)|effectVal;
dispatchCmd(DivCommand(DIV_CMD_LYNX_LFSR_LOAD,ch,value));
break;
}
return false;
break;
default:
return false;
}

View file

@ -195,6 +195,8 @@ struct DivSong {
// - 6: 0.89MHz (Sunsoft 5B)
// - 7: 1.67MHz
// - 8: 0.83MHz (Sunsoft 5B on PAL)
// - 9: 1.10MHz (Gamate/VIC-20 PAL)
// - 10: 2.097152MHz (Game Boy)
// - bit 4-5: chip type (ignored on AY8930)
// - 0: AY-3-8910 or similar
// - 1: YM2149
@ -216,6 +218,12 @@ struct DivSong {
// - 1: Amiga 1200
// - bit 8-14: stereo separation
// - 0 is 0% while 127 is 100%
// - PC Speaker:
// - bit 0-1: speaker type
// - 0: unfiltered
// - 1: cone
// - 2: piezo
// - 3: real (TODO)
// - QSound:
// - bit 12-20: echo feedback
// - Valid values are 0-255