giga-refactor, part 9

new format saving
compatibility flags now part of own struct

src/engine/cmdStream.cpp

@@ -596,7 +596,7 @@ bool DivCSPlayer::tick() {
     }
 
     if (chan[i].portaSpeed) {
-      e->dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(e->song.linearPitch?e->song.pitchSlideSpeed:1),chan[i].portaTarget));
+      e->dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(e->song.compatFlags.linearPitch?e->song.compatFlags.pitchSlideSpeed:1),chan[i].portaTarget));
     }
     if (chan[i].arp && !chan[i].portaSpeed) {
       if (chan[i].arpTicks==0) {

src/engine/dispatch.h

@@ -1082,10 +1082,10 @@ class DivDispatch {
 #define NOTE_FNUM_BLOCK(x,bits,blk) parent->calcBaseFreqFNumBlock(chipClock,CHIP_FREQBASE,x,bits,blk)
 
 // this is for volume scaling calculation.
-#define VOL_SCALE_LINEAR(x,y,range) ((parent->song.ceilVolumeScaling)?((((x)*(y))+(range-1))/(range)):(((x)*(y))/(range)))
+#define VOL_SCALE_LINEAR(x,y,range) ((parent->song.compatFlags.ceilVolumeScaling)?((((x)*(y))+(range-1))/(range)):(((x)*(y))/(range)))
 #define VOL_SCALE_LOG(x,y,range) (CLAMP(((x)+(y))-(range),0,(range)))
-#define VOL_SCALE_LINEAR_BROKEN(x,y,range) ((parent->song.newVolumeScaling)?(VOL_SCALE_LINEAR(x,y,range)):(VOL_SCALE_LOG(x,y,range)))
-#define VOL_SCALE_LOG_BROKEN(x,y,range) ((parent->song.newVolumeScaling)?(VOL_SCALE_LOG(x,y,range)):(VOL_SCALE_LINEAR(x,y,range)))
+#define VOL_SCALE_LINEAR_BROKEN(x,y,range) ((parent->song.compatFlags.newVolumeScaling)?(VOL_SCALE_LINEAR(x,y,range)):(VOL_SCALE_LOG(x,y,range)))
+#define VOL_SCALE_LOG_BROKEN(x,y,range) ((parent->song.compatFlags.newVolumeScaling)?(VOL_SCALE_LOG(x,y,range)):(VOL_SCALE_LINEAR(x,y,range)))
 
 // these are here for convenience.
 // it is encouraged to use these, since you get an exact value this way.
@@ -1098,7 +1098,7 @@ class DivDispatch {
   if ((x)<(xMin)) (x)=(xMin); \
   if ((x)>(xMax)) (x)=(xMax);
 
-#define NEW_ARP_STRAT (parent->song.linearPitch && !parent->song.oldArpStrategy)
+#define NEW_ARP_STRAT (parent->song.compatFlags.linearPitch && !parent->song.compatFlags.oldArpStrategy)
 #define HACKY_LEGATO_MESS chan[c.chan].std.arp.will && !chan[c.chan].std.arp.mode && !NEW_ARP_STRAT
 
 #endif

src/engine/engine.cpp

@@ -168,7 +168,7 @@ const char* DivEngine::getEffectDesc(unsigned char effect, int chan, bool notNul
       return _("FFxx: Stop song");
     default:
       if ((effect&0xf0)==0x90) {
-        if (song.oldSampleOffset) {
+        if (song.compatFlags.oldSampleOffset) {
           return _("9xxx: Set sample offset*256");
         }
         switch (effect) {
@@ -205,7 +205,7 @@ const char* DivEngine::getEffectDesc(unsigned char effect, int chan, bool notNul
 
 void DivEngine::calcSongTimestamps() {
   if (curSubSong!=NULL) {
-    curSubSong->calcTimestamps(song.chans,song.grooves,song.jumpTreatment,song.ignoreJumpAtEnd,song.brokenSpeedSel,song.delayBehavior);
+    curSubSong->calcTimestamps(song.chans,song.grooves,song.compatFlags.jumpTreatment,song.compatFlags.ignoreJumpAtEnd,song.compatFlags.brokenSpeedSel,song.compatFlags.delayBehavior);
   }
 }
 
@@ -1813,7 +1813,7 @@ int DivEngine::calcBaseFreq(double clock, double divider, int note, bool period)
 }*/
 
 double DivEngine::calcBaseFreq(double clock, double divider, int note, bool period) {
-  if (song.linearPitch) { // linear
+  if (song.compatFlags.linearPitch) { // linear
     return (note<<7);
   }
   double base=(period?(song.tuning*0.0625):song.tuning)*pow(2.0,(float)(note+3)/12.0);
@@ -1863,7 +1863,7 @@ double DivEngine::calcBaseFreq(double clock, double divider, int note, bool peri
   return bf|((block)<<(bits));
 
 int DivEngine::calcBaseFreqFNumBlock(double clock, double divider, int note, int bits, int fixedBlock) {
-  if (song.linearPitch) { // linear
+  if (song.compatFlags.linearPitch) { // linear
     return (note<<7);
   }
   int bf=calcBaseFreq(clock,divider,note,false);
@@ -1876,10 +1876,10 @@ int DivEngine::calcBaseFreqFNumBlock(double clock, double divider, int note, int
 
 int DivEngine::calcFreq(int base, int pitch, int arp, bool arpFixed, bool period, int octave, int pitch2, double clock, double divider, int blockBits, int fixedBlock) {
   // linear pitch
-  if (song.linearPitch) {
+  if (song.compatFlags.linearPitch) {
     // do frequency calculation here
     int nbase=base+pitch+pitch2;
-    if (!song.oldArpStrategy) {
+    if (!song.compatFlags.oldArpStrategy) {
       if (arpFixed) {
         nbase=(arp<<7)+pitch+pitch2;
       } else {
@@ -2178,7 +2178,7 @@ void DivEngine::reset() {
       chan[i].volMax=(disCont[song.dispatchOfChan[i]].dispatch->dispatch(DivCommand(DIV_CMD_GET_VOLMAX,song.dispatchChanOfChan[i]))<<8)|0xff;
     }
     chan[i].volume=chan[i].volMax;
-    if (!song.linearPitch) chan[i].vibratoFine=4;
+    if (!song.compatFlags.linearPitch) chan[i].vibratoFine=4;
   }
   extValue=0;
   extValuePresent=0;
@@ -2436,7 +2436,7 @@ double DivEngine::getSamplePreviewRate() {
 }
 
 double DivEngine::getCenterRate() {
-  return song.oldCenterRate?8363.0:8372.0;
+  return song.compatFlags.oldCenterRate?8363.0:8372.0;
 }
 
 String DivEngine::getConfigPath() {

src/engine/engine.h

@@ -55,7 +55,7 @@ class DivWorkPool;
 
 #define DIV_UNSTABLE
 
-#define DIV_VERSION "inf2 - DO NOT SAVE!"
+#define DIV_VERSION "inf2/dev240 - DO NOT LOAD!"
 #define DIV_ENGINE_VERSION 240
 // for imports
 #define DIV_VERSION_MOD 0xff01

src/engine/fileOps/dmf.cpp

@@ -172,56 +172,56 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
 
     // compatibility flags
     if (!getConfInt("noDMFCompat",0)) {
-      ds.limitSlides=true;
-      ds.linearPitch=1;
-      ds.loopModality=0;
-      ds.properNoiseLayout=false;
-      ds.waveDutyIsVol=false;
+      ds.compatFlags.limitSlides=true;
+      ds.compatFlags.linearPitch=1;
+      ds.compatFlags.loopModality=0;
+      ds.compatFlags.properNoiseLayout=false;
+      ds.compatFlags.waveDutyIsVol=false;
       // TODO: WHAT?! geodude.dmf fails when this is true
       // but isn't that how Defle behaves???
-      ds.resetMacroOnPorta=false;
-      ds.legacyVolumeSlides=true;
-      ds.compatibleArpeggio=true;
-      ds.noteOffResetsSlides=true;
-      ds.targetResetsSlides=true;
-      ds.arpNonPorta=false;
-      ds.algMacroBehavior=false;
-      ds.brokenShortcutSlides=false;
-      ds.ignoreDuplicateSlides=true;
-      ds.brokenDACMode=true;
-      ds.oneTickCut=false;
-      ds.newInsTriggersInPorta=true;
-      ds.arp0Reset=true;
-      ds.brokenSpeedSel=true;
-      ds.noSlidesOnFirstTick=false;
-      ds.rowResetsArpPos=false;
-      ds.ignoreJumpAtEnd=true;
-      ds.buggyPortaAfterSlide=true;
-      ds.gbInsAffectsEnvelope=true;
-      ds.ignoreDACModeOutsideIntendedChannel=false;
-      ds.e1e2AlsoTakePriority=true;
-      ds.fbPortaPause=true;
-      ds.snDutyReset=true;
-      ds.oldOctaveBoundary=false;
-      ds.noOPN2Vol=true;
-      ds.newVolumeScaling=false;
-      ds.volMacroLinger=false;
-      ds.brokenOutVol=true;
-      ds.brokenOutVol2=true;
-      ds.e1e2StopOnSameNote=true;
-      ds.brokenPortaArp=false;
-      ds.snNoLowPeriods=true;
-      ds.disableSampleMacro=true;
-      ds.preNoteNoEffect=true;
-      ds.oldDPCM=true;
-      ds.delayBehavior=0;
-      ds.jumpTreatment=2;
-      ds.oldAlwaysSetVolume=true;
+      ds.compatFlags.resetMacroOnPorta=false;
+      ds.compatFlags.legacyVolumeSlides=true;
+      ds.compatFlags.compatibleArpeggio=true;
+      ds.compatFlags.noteOffResetsSlides=true;
+      ds.compatFlags.targetResetsSlides=true;
+      ds.compatFlags.arpNonPorta=false;
+      ds.compatFlags.algMacroBehavior=false;
+      ds.compatFlags.brokenShortcutSlides=false;
+      ds.compatFlags.ignoreDuplicateSlides=true;
+      ds.compatFlags.brokenDACMode=true;
+      ds.compatFlags.oneTickCut=false;
+      ds.compatFlags.newInsTriggersInPorta=true;
+      ds.compatFlags.arp0Reset=true;
+      ds.compatFlags.brokenSpeedSel=true;
+      ds.compatFlags.noSlidesOnFirstTick=false;
+      ds.compatFlags.rowResetsArpPos=false;
+      ds.compatFlags.ignoreJumpAtEnd=true;
+      ds.compatFlags.buggyPortaAfterSlide=true;
+      ds.compatFlags.gbInsAffectsEnvelope=true;
+      ds.compatFlags.ignoreDACModeOutsideIntendedChannel=false;
+      ds.compatFlags.e1e2AlsoTakePriority=true;
+      ds.compatFlags.fbPortaPause=true;
+      ds.compatFlags.snDutyReset=true;
+      ds.compatFlags.oldOctaveBoundary=false;
+      ds.compatFlags.noOPN2Vol=true;
+      ds.compatFlags.newVolumeScaling=false;
+      ds.compatFlags.volMacroLinger=false;
+      ds.compatFlags.brokenOutVol=true;
+      ds.compatFlags.brokenOutVol2=true;
+      ds.compatFlags.e1e2StopOnSameNote=true;
+      ds.compatFlags.brokenPortaArp=false;
+      ds.compatFlags.snNoLowPeriods=true;
+      ds.compatFlags.disableSampleMacro=true;
+      ds.compatFlags.preNoteNoEffect=true;
+      ds.compatFlags.oldDPCM=true;
+      ds.compatFlags.delayBehavior=0;
+      ds.compatFlags.jumpTreatment=2;
+      ds.compatFlags.oldAlwaysSetVolume=true;
 
       // 1.1 compat flags
       if (ds.version>24) {
-        ds.waveDutyIsVol=true;
-        ds.legacyVolumeSlides=false;
+        ds.compatFlags.waveDutyIsVol=true;
+        ds.compatFlags.legacyVolumeSlides=false;
       }
 
       // Neo Geo detune is caused by Defle running Neo Geo at the wrong clock.

src/engine/fileOps/fc.cpp

@@ -147,12 +147,12 @@ bool DivEngine::loadFC(unsigned char* file, size_t len) {
     DivSong ds;
     ds.tuning=436.0;
     ds.version=DIV_VERSION_FC;
-    //ds.linearPitch=0;
-    //ds.pitchMacroIsLinear=false;
-    //ds.noSlidesOnFirstTick=true;
-    //ds.rowResetsArpPos=true;
-    ds.pitchSlideSpeed=8;
-    ds.ignoreJumpAtEnd=false;
+    //ds.compatFlags.linearPitch=0;
+    //ds.compatFlags.pitchMacroIsLinear=false;
+    //ds.compatFlags.noSlidesOnFirstTick=true;
+    //ds.compatFlags.rowResetsArpPos=true;
+    ds.compatFlags.pitchSlideSpeed=8;
+    ds.compatFlags.ignoreJumpAtEnd=false;
 
     // load here
     if (!reader.seek(0,SEEK_SET)) {

src/engine/fileOps/ftm.cpp

@@ -495,7 +495,7 @@ bool DivEngine::loadFTM(unsigned char* file, size_t len, bool dnft, bool dnft_si
     }
     ds.subsong.clear();
 
-    ds.linearPitch = 0;
+    ds.compatFlags.linearPitch = 0;
 
     unsigned int pal = 0;
 
@@ -2378,7 +2378,7 @@ bool DivEngine::loadFTM(unsigned char* file, size_t len, bool dnft, bool dnft_si
         CHECK_BLOCK_VERSION(3);
         unsigned int linear_pitch = reader.readI();
 
-        ds.linearPitch = linear_pitch == 0 ? 0 : 1;
+        ds.compatFlags.linearPitch = linear_pitch == 0 ? 0 : 1;
 
         if (blockVersion >= 2) {
           int fineTuneCents = reader.readC() * 100;

src/engine/fileOps/it.cpp

@@ -219,10 +219,10 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
   try {
     DivSong ds;
     ds.version=DIV_VERSION_IT;
-    ds.noSlidesOnFirstTick=true;
-    ds.rowResetsArpPos=true;
-    ds.ignoreJumpAtEnd=false;
-    ds.pitchSlideSpeed=8;
+    ds.compatFlags.noSlidesOnFirstTick=true;
+    ds.compatFlags.rowResetsArpPos=true;
+    ds.compatFlags.ignoreJumpAtEnd=false;
+    ds.compatFlags.pitchSlideSpeed=8;
 
     logV("Impulse Tracker module");
 
@@ -277,9 +277,9 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
     }
 
     if (flags&8) {
-      ds.linearPitch=1;
+      ds.compatFlags.linearPitch=1;
     } else {
-      ds.linearPitch=0;
+      ds.compatFlags.linearPitch=0;
     }
 
     unsigned char globalVol=reader.readC();
@@ -1667,7 +1667,7 @@ bool DivEngine::loadIT(unsigned char* file, size_t len) {
     for (int i=0; i<(maxChan+32)>>5; i++) {
       ds.system[i]=DIV_SYSTEM_ES5506;
       ds.systemFlags[i].set("amigaVol",true);
-      if (!ds.linearPitch) {
+      if (!ds.compatFlags.linearPitch) {
         ds.systemFlags[i].set("amigaPitch",true);
       }
     }

src/engine/fileOps/mod.cpp

@@ -41,11 +41,11 @@ bool DivEngine::loadMod(unsigned char* file, size_t len) {
     DivSong ds;
     ds.tuning=436.0;
     ds.version=DIV_VERSION_MOD;
-    ds.linearPitch=0;
-    ds.noSlidesOnFirstTick=true;
-    ds.rowResetsArpPos=true;
-    ds.ignoreJumpAtEnd=false;
-    ds.delayBehavior=0;
+    ds.compatFlags.linearPitch=0;
+    ds.compatFlags.noSlidesOnFirstTick=true;
+    ds.compatFlags.rowResetsArpPos=true;
+    ds.compatFlags.ignoreJumpAtEnd=false;
+    ds.compatFlags.delayBehavior=0;
 
     int insCount=31;
     bool bypassLimits=false;

src/engine/fileOps/s3m.cpp

@@ -79,12 +79,12 @@ bool DivEngine::loadS3M(unsigned char* file, size_t len) {
   try {
     DivSong ds;
     ds.version=DIV_VERSION_S3M;
-    ds.linearPitch=0;
-    ds.pitchMacroIsLinear=false;
-    ds.noSlidesOnFirstTick=true;
-    ds.rowResetsArpPos=true;
-    ds.ignoreJumpAtEnd=false;
-    ds.pitchSlideSpeed=12;
+    ds.compatFlags.linearPitch=0;
+    ds.compatFlags.pitchMacroIsLinear=false;
+    ds.compatFlags.noSlidesOnFirstTick=true;
+    ds.compatFlags.rowResetsArpPos=true;
+    ds.compatFlags.ignoreJumpAtEnd=false;
+    ds.compatFlags.pitchSlideSpeed=12;
 
     logV("Scream Tracker 3 module");
 

src/engine/fileOps/tfm.cpp

@@ -551,7 +551,7 @@ bool DivEngine::loadTFMv1(unsigned char* file, size_t len) {
     ds.systemLen=1;
 
     ds.system[0]=DIV_SYSTEM_YM2612;
-    ds.loopModality=1;
+    ds.compatFlags.loopModality=1;
 
     unsigned char speed=reader.readCNoRLE();
     unsigned char interleaveFactor=reader.readCNoRLE();
@@ -746,7 +746,7 @@ bool DivEngine::loadTFMv2(unsigned char* file, size_t len) {
     ds.systemLen=1;
 
     ds.system[0]=DIV_SYSTEM_YM2612;
-    ds.loopModality=1;
+    ds.compatFlags.loopModality=1;
 
     unsigned char magic[8]={0};
 

src/engine/fileOps/xm.cpp

@@ -207,12 +207,12 @@ bool DivEngine::loadXM(unsigned char* file, size_t len) {
   try {
     DivSong ds;
     ds.version=DIV_VERSION_XM;
-    //ds.linearPitch=0;
-    //ds.pitchMacroIsLinear=false;
-    ds.noSlidesOnFirstTick=true;
-    ds.rowResetsArpPos=true;
-    ds.ignoreJumpAtEnd=false;
-    ds.pitchSlideSpeed=8;
+    //ds.compatFlags.linearPitch=0;
+    //ds.compatFlags.pitchMacroIsLinear=false;
+    ds.compatFlags.noSlidesOnFirstTick=true;
+    ds.compatFlags.rowResetsArpPos=true;
+    ds.compatFlags.ignoreJumpAtEnd=false;
+    ds.compatFlags.pitchSlideSpeed=8;
 
     logV("Extended Module");
 
@@ -251,7 +251,7 @@ bool DivEngine::loadXM(unsigned char* file, size_t len) {
     unsigned short totalChans=reader.readS();
     unsigned short patCount=reader.readS();
     ds.insLen=(unsigned short)reader.readS();
-    ds.linearPitch=(reader.readS()&1)?1:0;
+    ds.compatFlags.linearPitch=(reader.readS()&1)?1:0;
     ds.subsong[0]->speeds.val[0]=reader.readS();
     ds.subsong[0]->speeds.len=1;
     double bpm=(unsigned short)reader.readS();
@@ -304,7 +304,7 @@ bool DivEngine::loadXM(unsigned char* file, size_t len) {
     for (int i=0; i<(totalChans+31)>>5; i++) {
       ds.system[i]=DIV_SYSTEM_ES5506;
       ds.systemFlags[i].set("amigaVol",true);
-      ds.systemFlags[i].set("amigaPitch",(ds.linearPitch==0));
+      ds.systemFlags[i].set("amigaPitch",(ds.compatFlags.linearPitch==0));
       ds.systemFlags[i].set("volScale",3900);
     }
     ds.systemLen=(totalChans+31)>>5;

src/engine/macroInt.cpp

@@ -43,7 +43,7 @@ void DivMacroStruct::prepare(DivInstrumentMacro& source, DivEngine* e) {
   mode=source.mode;
   type=(source.open>>1)&3;
   activeRelease=source.open&8;
-  linger=(source.macroType==DIV_MACRO_VOL && e->song.volMacroLinger);
+  linger=(source.macroType==DIV_MACRO_VOL && e->song.compatFlags.volMacroLinger);
   lfoPos=LFO_PHASE;
 }
 

src/engine/platform/amiga.cpp

@@ -668,7 +668,7 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         chan[c.chan].writeVol=true;
       }
@@ -752,9 +752,9 @@ int DivPlatformAmiga::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/arcade.cpp

@@ -260,7 +260,7 @@ void DivPlatformArcade::tick(bool sysTick) {
       } else {
         rWrite(chanOffs[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)|((chan[i].chVolL&1)<<6)|((chan[i].chVolR&1)<<7));
       }
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -379,7 +379,7 @@ void DivPlatformArcade::tick(bool sysTick) {
   for (int i=0; i<8; i++) {
     if (chan[i].freqChanged) {
       chan[i].freq=chan[i].baseFreq+chan[i].pitch-128+chan[i].pitch2;
-      if (!parent->song.oldArpStrategy) {
+      if (!parent->song.compatFlags.oldArpStrategy) {
         if (chan[i].fixedArp) {
           chan[i].freq=(chan[i].baseNoteOverride<<7)+chan[i].pitch-128+chan[i].pitch2;
         } else {
@@ -862,7 +862,7 @@ int DivPlatformArcade::dispatch(DivCommand c) {
       return 127;
       break;
     case DIV_CMD_PRE_PORTA:
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_LINEAR(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_LINEAR(chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_PRE_NOTE:

src/engine/platform/ay.cpp

@@ -716,7 +716,7 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
         }
         chan[c.chan].active=true;
         chan[c.chan].macroInit(ins);
-        if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+        if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
           chan[c.chan].outVol=chan[c.chan].vol;
         }
         //chan[c.chan].keyOn=true;
@@ -735,7 +735,7 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (!(chan[c.chan].nextPSGMode.val&8)) {
@@ -942,9 +942,9 @@ int DivPlatformAY8910::dispatch(DivCommand c) {
       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_AY));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AY));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_PRE_NOTE:

src/engine/platform/ay8930.cpp

@@ -544,7 +544,7 @@ int DivPlatformAY8930::dispatch(DivCommand c) {
         }
         chan[c.chan].active=true;
         chan[c.chan].macroInit(ins);
-        if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+        if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
           chan[c.chan].outVol=chan[c.chan].vol;
         }
         //chan[c.chan].keyOn=true;
@@ -563,7 +563,7 @@ int DivPlatformAY8930::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (!(chan[c.chan].nextPSGMode.val&8)) {
@@ -764,9 +764,9 @@ int DivPlatformAY8930::dispatch(DivCommand c) {
       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_AY8930));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AY8930));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_PRE_NOTE:

src/engine/platform/bifurcator.cpp

@@ -176,7 +176,7 @@ int DivPlatformBifurcator::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -250,9 +250,9 @@ int DivPlatformBifurcator::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_BIFURCATOR_STATE_LOAD:

src/engine/platform/bubsyswsg.cpp

@@ -164,7 +164,7 @@ int DivPlatformBubSysWSG::dispatch(DivCommand c) {
       chan[c.chan].keyOn=true;
       rWrite(2+c.chan,(chan[c.chan].wave<<5)|chan[c.chan].vol);
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -243,9 +243,9 @@ int DivPlatformBubSysWSG::dispatch(DivCommand c) {
       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_SCC));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SCC));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/c140.cpp

@@ -357,7 +357,7 @@ int DivPlatformC140::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         chan[c.chan].volChangedL=true;
         chan[c.chan].volChangedR=true;
@@ -445,9 +445,9 @@ int DivPlatformC140::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/c64.cpp

@@ -574,12 +574,12 @@ int DivPlatformC64::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (chan[c.chan].active && c.value2) {
-        if (parent->song.resetMacroOnPorta || parent->song.preNoteNoEffect) {
+        if (parent->song.compatFlags.resetMacroOnPorta || parent->song.compatFlags.preNoteNoEffect) {
           chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_C64));
           chan[c.chan].keyOn=true;
         }
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_PRE_NOTE:

src/engine/platform/dave.cpp

@@ -358,7 +358,7 @@ int DivPlatformDave::dispatch(DivCommand c) {
       chan[c.chan].keyOn=true;
       chan[c.chan].writeVol=true;
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].insChanged=false;
@@ -471,9 +471,9 @@ int DivPlatformDave::dispatch(DivCommand c) {
       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_DAVE));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_DAVE));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/es5506.cpp

@@ -23,7 +23,7 @@
 #include <math.h>
 
 #define PITCH_OFFSET ((double)(16*2048*(chanMax+1)))
-#define NOTE_ES5506(c,note) ((amigaPitch && !parent->song.linearPitch)?parent->calcBaseFreq(COLOR_NTSC*16,chan[c].pcm.freqOffs,note,true):parent->calcBaseFreq(chipClock,chan[c].pcm.freqOffs,note,false))
+#define NOTE_ES5506(c,note) ((amigaPitch && !parent->song.compatFlags.linearPitch)?parent->calcBaseFreq(COLOR_NTSC*16,chan[c].pcm.freqOffs,note,true):parent->calcBaseFreq(chipClock,chan[c].pcm.freqOffs,note,false))
 
 #define rWrite(a,...) {if(!skipRegisterWrites) {hostIntf32.push_back(QueuedHostIntf(4,(a),__VA_ARGS__)); }}
 #define immWrite(a,...) {hostIntf32.push_back(QueuedHostIntf(4,(a),__VA_ARGS__));}
@@ -603,7 +603,7 @@ void DivPlatformES5506::tick(bool sysTick) {
             const unsigned int length=s->samples-1;
             const unsigned int end=start+(length<<11);
             const unsigned int nextBank=(offES5506>>22)&3;
-            const double nextFreqOffs=((amigaPitch && !parent->song.linearPitch)?16:PITCH_OFFSET)*off;
+            const double nextFreqOffs=((amigaPitch && !parent->song.compatFlags.linearPitch)?16:PITCH_OFFSET)*off;
             chan[i].pcm.loopMode=loopMode;
             chan[i].pcm.bank=nextBank;
             chan[i].pcm.start=start;
@@ -746,7 +746,7 @@ void DivPlatformES5506::tick(bool sysTick) {
       chan[i].pcm.nextPos=0;
     }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      if (amigaPitch && !parent->song.linearPitch) {
+      if (amigaPitch && !parent->song.compatFlags.linearPitch) {
         chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch*16,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,2,chan[i].pitch2*16,16*COLOR_NTSC,chan[i].pcm.freqOffs);
         chan[i].freq=PITCH_OFFSET*(COLOR_NTSC/chan[i].freq)/(chipClock/16.0);
         chan[i].freq=CLAMP(chan[i].freq,0,0x1ffff);
@@ -767,7 +767,7 @@ void DivPlatformES5506::tick(bool sysTick) {
           }
           chan[i].pcm.loopStart=(chan[i].pcm.start+(s->loopStart<<11))&0xfffff800;
           chan[i].pcm.loopEnd=(chan[i].pcm.start+((s->loopEnd)<<11))&0xffffff80;
-          chan[i].pcm.freqOffs=((amigaPitch && !parent->song.linearPitch)?16:PITCH_OFFSET)*off;
+          chan[i].pcm.freqOffs=((amigaPitch && !parent->song.compatFlags.linearPitch)?16:PITCH_OFFSET)*off;
           unsigned int startPos=chan[i].pcm.direction?chan[i].pcm.end:chan[i].pcm.start;
           if (chan[i].pcm.nextPos) {
             const unsigned int start=chan[i].pcm.start;
@@ -1212,7 +1212,7 @@ int DivPlatformES5506::dispatch(DivCommand c) {
       int nextFreq=chan[c.chan].baseFreq;
       int destFreq=NOTE_ES5506(c.chan,c.value2+chan[c.chan].sampleNoteDelta);
       bool return2=false;
-      if (amigaPitch && !parent->song.linearPitch) {
+      if (amigaPitch && !parent->song.compatFlags.linearPitch) {
         c.value*=16;
       }
       if (destFreq>nextFreq) {
@@ -1244,9 +1244,9 @@ int DivPlatformES5506::dispatch(DivCommand c) {
     }
     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_ES5506));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_ES5506));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
         chan[c.chan].nextNote=chan[c.chan].note;
         chan[c.chan].noteChanged.note=1;
       }

src/engine/platform/esfm.cpp

@@ -337,7 +337,7 @@ void DivPlatformESFM::tick(bool sysTick) {
     if (chan[i].freqChanged) {
       int mul=2;
       int fixedBlock=chan[i].state.fm.block;
-      if (!parent->song.linearPitch) {
+      if (!parent->song.compatFlags.linearPitch) {
         mul=octave(chan[i].baseFreq,fixedBlock)*2;
       }
       chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,mul,chan[i].pitch2,chipClock,CHIP_FREQBASE);
@@ -569,7 +569,7 @@ int DivPlatformESFM::dispatch(DivCommand c) {
       bool return2=false;
       int mul=1;
       int fixedBlock=0;
-      if (!parent->song.linearPitch) {
+      if (!parent->song.compatFlags.linearPitch) {
         fixedBlock=chan[c.chan].state.fm.block;
         mul=octave(chan[c.chan].baseFreq,fixedBlock);
       }
@@ -586,7 +586,7 @@ int DivPlatformESFM::dispatch(DivCommand c) {
           return2=true;
         }
       }
-      if (!chan[c.chan].portaPause && !parent->song.linearPitch) {
+      if (!chan[c.chan].portaPause && !parent->song.compatFlags.linearPitch) {
         if (mul!=octave(newFreq,fixedBlock)) {
           chan[c.chan].portaPause=true;
           break;
@@ -987,7 +987,7 @@ int DivPlatformESFM::dispatch(DivCommand c) {
       return 63;
       break;
     case DIV_CMD_PRE_PORTA:
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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;

src/engine/platform/fds.cpp

@@ -132,7 +132,7 @@ void DivPlatformFDS::tick(bool sysTick) {
     if (chan[i].std.duty.had) {
       chan[i].duty=chan[i].std.duty.val;
       if (i==3) {
-        if (parent->song.properNoiseLayout) {
+        if (parent->song.compatFlags.properNoiseLayout) {
           chan[i].duty&=1;
         } else if (chan[i].duty>1) {
           chan[i].duty=1;
@@ -264,7 +264,7 @@ int DivPlatformFDS::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -390,9 +390,9 @@ int DivPlatformFDS::dispatch(DivCommand c) {
       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_FDS));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FDS));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/fmshared_OPN.h

@@ -31,7 +31,7 @@
   int newFreq; \
   bool return2=false; \
   if (_targetChan.portaPause) { \
-    if (parent->song.oldOctaveBoundary) { \
+    if (parent->song.compatFlags.oldOctaveBoundary) { \
       if ((_targetChan.portaPauseFreq&0xf800)>(_targetChan.baseFreq&0xf800)) { \
         _targetChan.baseFreq=((_targetChan.baseFreq&0x7ff)>>1)|(_targetChan.portaPauseFreq&0xf800); \
       } else { \
@@ -59,7 +59,7 @@
   /* what the heck! */ \
   if (!_targetChan.portaPause) { \
     if ((newFreq&0x7ff)>boundaryTop && (newFreq&0xf800)<0x3800) { \
-      if (parent->song.fbPortaPause) { \
+      if (parent->song.compatFlags.fbPortaPause) { \
         _targetChan.portaPauseFreq=(boundaryBottom)|((newFreq+0x800)&0xf800); \
         _targetChan.portaPause=true; \
         break; \
@@ -68,7 +68,7 @@
       } \
     } \
     if ((newFreq&0x7ff)<boundaryBottom && (newFreq&0xf800)>0) { \
-      if (parent->song.fbPortaPause) { \
+      if (parent->song.compatFlags.fbPortaPause) { \
         _targetChan.portaPauseFreq=newFreq=(boundaryTop-1)|((newFreq-0x800)&0xf800); \
         _targetChan.portaPause=true; \
         break; \

src/engine/platform/ga20.cpp

@@ -261,7 +261,7 @@ int DivPlatformGA20::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         chan[c.chan].volumeChanged=true;
       }
@@ -332,9 +332,9 @@ int DivPlatformGA20::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/gb.cpp

@@ -224,7 +224,7 @@ void DivPlatformGB::tick(bool sysTick) {
       if (i!=2) {
         rWrite(16+i*5+1,((chan[i].duty&3)<<6)|(63-(chan[i].soundLen&63)));
       } else if (!chan[i].softEnv) {
-        if (parent->song.waveDutyIsVol) {
+        if (parent->song.compatFlags.waveDutyIsVol) {
           rWrite(16+i*5+2,(model==GB_MODEL_AGB_NATIVE?gbVolMapEx:gbVolMap)[(chan[i].std.duty.val&3)<<2]);
         }
       }
@@ -439,7 +439,7 @@ int DivPlatformGB::dispatch(DivCommand c) {
           chan[c.chan].outVol=chan[c.chan].envVol;
         }
       } else if (chan[c.chan].softEnv && c.chan!=2) {
-        if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+        if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
           chan[c.chan].outVol=chan[c.chan].vol;
           chan[c.chan].envVol=chan[c.chan].outVol;
         }
@@ -478,7 +478,7 @@ int DivPlatformGB::dispatch(DivCommand c) {
             chan[c.chan].soundLen=ins->gb.soundLen;
             chan[c.chan].vol=chan[c.chan].envVol;
             chan[c.chan].outVol=chan[c.chan].vol;
-            if (parent->song.gbInsAffectsEnvelope) {
+            if (parent->song.compatFlags.gbInsAffectsEnvelope) {
               rWrite(16+c.chan*5+2,((chan[c.chan].vol<<4))|(chan[c.chan].envLen&7)|((chan[c.chan].envDir&1)<<3));
             }
           }
@@ -567,9 +567,9 @@ int DivPlatformGB::dispatch(DivCommand c) {
       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_GB));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_GB));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_GB_SWEEP_DIR:

src/engine/platform/gbadma.cpp

@@ -237,7 +237,7 @@ int DivPlatformGBADMA::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].envVol=2;
       }
       if (chan[c.chan].useWave) {
@@ -321,7 +321,7 @@ int DivPlatformGBADMA::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
       chan[c.chan].inPorta=c.value;
       break;

src/engine/platform/gbaminmod.cpp

@@ -417,7 +417,7 @@ int DivPlatformGBAMinMod::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -503,9 +503,9 @@ int DivPlatformGBAMinMod::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/genesis.cpp

@@ -68,7 +68,7 @@ void DivPlatformGenesis::processDAC(int iRate) {
         if (chan[i].dacSample!=-1) {
           DivSample* s=parent->getSample(chan[i].dacSample);
           if (!isMuted[i] && s->samples>0 && chan[i].dacPos<s->samples) {
-            if (parent->song.noOPN2Vol) {
+            if (parent->song.compatFlags.noOPN2Vol) {
               chan[i].dacOutput=s->data8[chan[i].dacDirection?(s->samples-chan[i].dacPos-1):chan[i].dacPos];
             } else {
               chan[i].dacOutput=(s->data8[chan[i].dacDirection?(s->samples-chan[i].dacPos-1):chan[i].dacPos]*dacVolTable[chan[i].outVol])>>7;
@@ -110,7 +110,7 @@ void DivPlatformGenesis::processDAC(int iRate) {
         if (s->samples>0 && chan[5].dacPos<s->samples) {
           if (!isMuted[5]) {
             int sample;
-            if (parent->song.noOPN2Vol) {
+            if (parent->song.compatFlags.noOPN2Vol) {
               sample=s->data8[chan[5].dacDirection?(s->samples-chan[5].dacPos-1):chan[5].dacPos];
             } else {
               sample=(s->data8[chan[5].dacDirection?(s->samples-chan[5].dacPos-1):chan[5].dacPos]*dacVolTable[chan[5].outVol])>>7;
@@ -122,7 +122,7 @@ void DivPlatformGenesis::processDAC(int iRate) {
             chan[5].dacPos=s->loopStart;
           } else if (chan[5].dacPos>=s->samples) {
             chan[5].dacSample=-1;
-            if (parent->song.brokenDACMode) {
+            if (parent->song.compatFlags.brokenDACMode) {
               rWrite(0x2b,0);
             }
           }
@@ -768,7 +768,7 @@ void DivPlatformGenesis::tick(bool sysTick) {
     if (chan[i].std.alg.had) {
       chan[i].state.alg=chan[i].std.alg.val;
       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++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -863,7 +863,7 @@ void DivPlatformGenesis::tick(bool sysTick) {
 
   for (int i=0; i<512; i++) {
     if (pendingWrites[i]!=oldWrites[i]) {
-      if (i==0x2b && pendingWrites[i]!=0 && !parent->song.brokenDACMode) {
+      if (i==0x2b && pendingWrites[i]!=0 && !parent->song.compatFlags.brokenDACMode) {
         if (chan[5].keyOn) chan[5].keyOn=false;
         chan[5].keyOff=true;
       }
@@ -894,7 +894,7 @@ void DivPlatformGenesis::tick(bool sysTick) {
   for (int i=0; i<csmChan; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         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,11,chan[i].state.block);
       } else {
         int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,2,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
@@ -1131,7 +1131,7 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
       if (c.chan>=5 && c.chan<csmChan) {
         chan[c.chan].dacSample=-1;
         if (dumpWrites) addWrite(0xffff0002,0);
-        if (parent->song.brokenDACMode) {
+        if (parent->song.compatFlags.brokenDACMode) {
           rWrite(0x2b,0);
           if (chan[c.chan].dacMode) break;
         }
@@ -1200,7 +1200,7 @@ int DivPlatformGenesis::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         int destFreq=NOTE_FREQUENCY(c.value2+chan[c.chan].sampleNoteDelta);
         bool return2=false;
         if (destFreq>chan[c.chan].baseFreq) {

src/engine/platform/genesisext.cpp

@@ -153,7 +153,7 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       } else {
         opChan[ch].pan=(c.value2>0)|((c.value>0)<<1);
       }
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int i=0; i<4; i++) {
           if (ch==i) continue;
           opChan[i].pan=opChan[ch].pan;
@@ -169,7 +169,7 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         int destFreq=NOTE_FREQUENCY(c.value2);
         bool return2=false;
         if (destFreq>opChan[ch].baseFreq) {
@@ -197,7 +197,7 @@ int DivPlatformGenesisExt::dispatch(DivCommand c) {
     }
     case DIV_CMD_SAMPLE_MODE: {
       // not ignored actually!
-      if (!parent->song.ignoreDACModeOutsideIntendedChannel) {
+      if (!parent->song.compatFlags.ignoreDACModeOutsideIntendedChannel) {
         chan[5].dacMode=c.value;
         rWrite(0x2b,c.value<<7);
       }
@@ -547,7 +547,7 @@ void DivPlatformGenesisExt::tick(bool sysTick) {
     if (opChan[i].std.alg.had) {
       chan[extChanOffs].state.alg=opChan[i].std.alg.val;
       rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.algMacroBehavior) for (int j=0; j<4; j++) {
         unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[j];
         DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[j];
         if (isOpMuted[j] || !op.enable) {
@@ -578,7 +578,7 @@ void DivPlatformGenesisExt::tick(bool sysTick) {
 
     if (opChan[i].std.panL.had) {
       opChan[i].pan=opChan[i].std.panL.val&3;
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int j=0; j<4; j++) {
           if (i==j) continue;
           opChan[j].pan=opChan[i].pan;
@@ -648,7 +648,7 @@ void DivPlatformGenesisExt::tick(bool sysTick) {
   unsigned char hardResetMask=0;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,2,opChan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[extChanOffs].state.block);
       } else {
         int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,2,opChan[i].pitch2);

src/engine/platform/k007232.cpp

@@ -324,7 +324,7 @@ int DivPlatformK007232::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         if (!isMuted[c.chan]) {
           chan[c.chan].volumeChanged=true;
@@ -405,9 +405,9 @@ int DivPlatformK007232::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/k053260.cpp

@@ -255,7 +255,7 @@ int DivPlatformK053260::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -331,9 +331,9 @@ int DivPlatformK053260::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/lynx.cpp

@@ -361,7 +361,7 @@ int DivPlatformLynx::dispatch(DivCommand c) {
       chan[c.chan].active=true;
       WRITE_VOLUME(c.chan,(isMuted[c.chan]?0:(chan[c.chan].vol&127)));
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -429,7 +429,7 @@ int DivPlatformLynx::dispatch(DivCommand c) {
         }
       }
       chan[c.chan].freqChanged=true;
-      if (chan[c.chan].pcm && parent->song.linearPitch) {
+      if (chan[c.chan].pcm && parent->song.compatFlags.linearPitch) {
         chan[c.chan].sampleBaseFreq=chan[c.chan].baseFreq;
       }
       if (return2) {
@@ -451,9 +451,9 @@ int DivPlatformLynx::dispatch(DivCommand c) {
     }
     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_MIKEY));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_MIKEY));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/mmc5.cpp

@@ -229,7 +229,7 @@ int DivPlatformMMC5::dispatch(DivCommand c) {
       chan[c.chan].active=true;
       chan[c.chan].keyOn=true;
       chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_STD));
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       rWrite(0x5000+c.chan*4,0x30|chan[c.chan].vol|((chan[c.chan].duty&3)<<6));
@@ -313,9 +313,9 @@ int DivPlatformMMC5::dispatch(DivCommand c) {
       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_STD));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_STD));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/msm5232.cpp

@@ -157,7 +157,7 @@ void DivPlatformMSM5232::tick(bool sysTick) {
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_PCE);
       chan[i].freq=chan[i].baseFreq+chan[i].pitch+chan[i].pitch2-(12<<7);
-      if (!parent->song.oldArpStrategy) {
+      if (!parent->song.compatFlags.oldArpStrategy) {
         if (chan[i].fixedArp) {
           chan[i].freq=(chan[i].baseNoteOverride<<7)+(chan[i].pitch)-(12<<7);
         } else {
@@ -206,7 +206,7 @@ int DivPlatformMSM5232::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].insChanged=false;
@@ -249,13 +249,13 @@ int DivPlatformMSM5232::dispatch(DivCommand c) {
       int destFreq=NOTE_LINEAR(c.value2);
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
-        chan[c.chan].baseFreq+=c.value*parent->song.pitchSlideSpeed;
+        chan[c.chan].baseFreq+=c.value*parent->song.compatFlags.pitchSlideSpeed;
         if (chan[c.chan].baseFreq>=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
         }
       } else {
-        chan[c.chan].baseFreq-=c.value*parent->song.pitchSlideSpeed;
+        chan[c.chan].baseFreq-=c.value*parent->song.compatFlags.pitchSlideSpeed;
         if (chan[c.chan].baseFreq<=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
@@ -291,9 +291,9 @@ int DivPlatformMSM5232::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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_LINEAR(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_LINEAR(chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_GET_VOLMAX:

src/engine/platform/msm6258.cpp

@@ -101,7 +101,7 @@ void DivPlatformMSM6258::acquire(short** buf, size_t len) {
 
 void DivPlatformMSM6258::tick(bool sysTick) {
   for (int i=0; i<1; i++) {
-    if (!parent->song.disableSampleMacro) {
+    if (!parent->song.compatFlags.disableSampleMacro) {
       chan[i].std.next();
       if (chan[i].std.duty.had) {
         if (rateSel!=(chan[i].std.duty.val&3)) {

src/engine/platform/msm6295.cpp

@@ -122,7 +122,7 @@ void DivPlatformMSM6295::acquire(short** buf, size_t len) {
 
 void DivPlatformMSM6295::tick(bool sysTick) {
   for (int i=0; i<4; i++) {
-    if (!parent->song.disableSampleMacro) {
+    if (!parent->song.compatFlags.disableSampleMacro) {
       chan[i].std.next();
       if (chan[i].std.vol.had) {
         chan[i].outVol=VOL_SCALE_LOG_BROKEN(chan[i].std.vol.val,chan[i].vol,8);

src/engine/platform/multipcm.cpp

@@ -389,9 +389,9 @@ int DivPlatformMultiPCM::dispatch(DivCommand c) {
       return 127;
     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_MULTIPCM));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_MULTIPCM));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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;

src/engine/platform/n163.cpp

@@ -386,13 +386,13 @@ int DivPlatformN163::dispatch(DivCommand c) {
       int destFreq=destFreqD;
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
-        chan[c.chan].baseFreq+=c.value*((parent->song.linearPitch)?1:16);
+        chan[c.chan].baseFreq+=c.value*((parent->song.compatFlags.linearPitch)?1:16);
         if (chan[c.chan].baseFreq>=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
         }
       } else {
-        chan[c.chan].baseFreq-=c.value*((parent->song.linearPitch)?1:16);
+        chan[c.chan].baseFreq-=c.value*((parent->song.compatFlags.linearPitch)?1:16);
         if (chan[c.chan].baseFreq<=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
@@ -456,12 +456,12 @@ int DivPlatformN163::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (chan[c.chan].active && c.value2) {
-        if (parent->song.resetMacroOnPorta) {
+        if (parent->song.compatFlags.resetMacroOnPorta) {
           chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_N163));
           chan[c.chan].keyOn=true;
         }
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/namcowsg.cpp

@@ -353,7 +353,7 @@ int DivPlatformNamcoWSG::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -406,13 +406,13 @@ int DivPlatformNamcoWSG::dispatch(DivCommand c) {
       int destFreq=NOTE_FREQUENCY(c.value2);
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
-        chan[c.chan].baseFreq+=c.value*((parent->song.linearPitch)?1:8);
+        chan[c.chan].baseFreq+=c.value*((parent->song.compatFlags.linearPitch)?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)?1:8);
+        chan[c.chan].baseFreq-=c.value*((parent->song.compatFlags.linearPitch)?1:8);
         if (chan[c.chan].baseFreq<=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
@@ -440,9 +440,9 @@ int DivPlatformNamcoWSG::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/nds.cpp

@@ -334,7 +334,7 @@ int DivPlatformNDS::dispatch(DivCommand c) {
       chan[c.chan].busy=true;
       chan[c.chan].keyOn=true;
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -422,9 +422,9 @@ int DivPlatformNDS::dispatch(DivCommand c) {
     }
     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_NDS));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_NDS));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/nes.cpp

@@ -326,7 +326,7 @@ void DivPlatformNES::tick(bool sysTick) {
     if (chan[i].std.duty.had) {
       chan[i].duty=chan[i].std.duty.val;
       if (i==3) {
-        if (parent->song.properNoiseLayout) {
+        if (parent->song.compatFlags.properNoiseLayout) {
           chan[i].duty&=1;
         } else if (chan[i].duty>1) {
           chan[i].duty=1;
@@ -372,7 +372,7 @@ void DivPlatformNES::tick(bool sysTick) {
         ntPos+=chan[i].pitch2;
         if (isE) {
           chan[i].freq=31-(ntPos&31);
-        } else if (parent->song.properNoiseLayout) {
+        } else if (parent->song.compatFlags.properNoiseLayout) {
           chan[i].freq=15-(ntPos&15);
         } else {
           if (ntPos<0) ntPos=0;
@@ -578,12 +578,12 @@ int DivPlatformNES::dispatch(DivCommand c) {
       chan[c.chan].active=true;
       chan[c.chan].keyOn=true;
       chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_NES));
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (c.chan==2) {
         rWrite(0x4000+c.chan*4,linearCount);
-      } else if (!parent->song.brokenOutVol2) {
+      } else if (!parent->song.compatFlags.brokenOutVol2) {
         rWrite(0x4000+c.chan*4,(chan[c.chan].envMode<<4)|chan[c.chan].vol|((chan[c.chan].duty&3)<<6));
       }
       if (resetSweep && c.chan<2) {
@@ -752,9 +752,9 @@ int DivPlatformNES::dispatch(DivCommand c) {
       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_NES));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_NES));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/opl.cpp

@@ -1515,7 +1515,7 @@ void DivPlatformOPL::tick(bool sysTick) {
       if (chan[i].freqChanged) {
         int mul=2;
         int fixedBlock=chan[i].state.block;
-        if (!parent->song.linearPitch) {
+        if (!parent->song.compatFlags.linearPitch) {
           mul=octave(chan[i].baseFreq,fixedBlock)*2;
         }
         chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,mul,chan[i].pitch2,chipClock,CHIP_FREQBASE);
@@ -2082,7 +2082,7 @@ int DivPlatformOPL::dispatch(DivCommand c) {
       bool return2=false;
       int mul=1;
       int fixedBlock=0;
-      if (!parent->song.linearPitch) {
+      if (!parent->song.compatFlags.linearPitch) {
         fixedBlock=chan[c.chan].state.block;
         mul=octave(chan[c.chan].baseFreq,fixedBlock);
       }
@@ -2099,7 +2099,7 @@ int DivPlatformOPL::dispatch(DivCommand c) {
           return2=true;
         }
       }
-      if (!chan[c.chan].portaPause && !parent->song.linearPitch) {
+      if (!chan[c.chan].portaPause && !parent->song.compatFlags.linearPitch) {
         if (mul!=octave(newFreq,fixedBlock)) {
           chan[c.chan].portaPause=true;
           break;
@@ -2583,9 +2583,9 @@ int DivPlatformOPL::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (PCM_CHECK(c.chan) && chan[c.chan].active && c.value2) {
-        if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_MULTIPCM));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_MULTIPCM));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
         chan[c.chan].baseFreq=(PCM_CHECK(c.chan))?NOTE_PCM(chan[c.chan].note):
           ((c.chan==adpcmChan)?(NOTE_ADPCMB(chan[c.chan].note)):(NOTE_FREQUENCY(chan[c.chan].note)));
       }

src/engine/platform/opll.cpp

@@ -341,7 +341,7 @@ void DivPlatformOPLL::tick(bool sysTick) {
     if (chan[i].freqChanged) {
       int mul=2;
       int fixedBlock=chan[i].state.block;
-      if (!parent->song.linearPitch) {
+      if (!parent->song.compatFlags.linearPitch) {
         mul=octave(chan[i].baseFreq,fixedBlock)*2;
       }
       chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,mul,chan[i].pitch2,chipClock,CHIP_FREQBASE);
@@ -684,7 +684,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
       bool return2=false;
       int mul=1;
       int fixedBlock=0;
-      if (!parent->song.linearPitch) {
+      if (!parent->song.compatFlags.linearPitch) {
         fixedBlock=chan[c.chan].state.block;
         mul=octave(chan[c.chan].baseFreq,fixedBlock);
       }
@@ -956,7 +956,7 @@ int DivPlatformOPLL::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (c.chan>=9 && !properDrums) return 0;
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_PRE_NOTE:

src/engine/platform/pce.cpp

@@ -103,7 +103,7 @@ void DivPlatformPCE::acquireDirect(blip_buffer_t** bb, size_t len) {
           signed char dacData=((signed char)((unsigned char)s->data8[chan[i].dacPos]^0x80))>>3;
           chan[i].dacOut=CLAMP(dacData,-16,15);
           if (!isMuted[i]) {
-            chWrite(i,0x04,parent->song.disableSampleMacro?0xdf:(0xc0|chan[i].outVol));
+            chWrite(i,0x04,parent->song.compatFlags.disableSampleMacro?0xdf:(0xc0|chan[i].outVol));
             chWrite(i,0x06,chan[i].dacOut&0x1f);
           } else {
             chWrite(i,0x04,0xc0);
@@ -233,7 +233,7 @@ void DivPlatformPCE::tick(bool sysTick) {
             chan[i].dacPos=0;
           }
           chan[i].dacPeriod=0;
-          chWrite(i,0x04,parent->song.disableSampleMacro?0xdf:(0xc0|chan[i].vol));
+          chWrite(i,0x04,parent->song.compatFlags.disableSampleMacro?0xdf:(0xc0|chan[i].vol));
           addWrite(0xffff0000+(i<<8),chan[i].dacSample);
           chan[i].keyOn=true;
         }
@@ -269,11 +269,11 @@ void DivPlatformPCE::tick(bool sysTick) {
 
       if (i>=4) {
         int noiseSeek=(chan[i].fixedArp?chan[i].baseNoteOverride:(chan[i].note+chan[i].arpOff))+chan[i].pitch2;
-        if (!parent->song.properNoiseLayout && noiseSeek<0) noiseSeek=0;
+        if (!parent->song.compatFlags.properNoiseLayout && noiseSeek<0) noiseSeek=0;
         if (!NEW_ARP_STRAT) {
           noiseSeek=chan[i].noiseSeek;
         }
-        chWrite(i,0x07,chan[i].noise?(0x80|(parent->song.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
+        chWrite(i,0x07,chan[i].noise?(0x80|(parent->song.compatFlags.properNoiseLayout?(noiseSeek&31):noiseFreq[noiseSeek%12])):0);
       }
       if (chan[i].keyOn) {
         //rWrite(16+i*5,0x80);
@@ -324,7 +324,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
           break;
         } else {
            if (dumpWrites) {
-             chWrite(c.chan,0x04,parent->song.disableSampleMacro?0xdf:(0xc0|chan[c.chan].vol));
+             chWrite(c.chan,0x04,parent->song.compatFlags.disableSampleMacro?0xdf:(0xc0|chan[c.chan].vol));
              addWrite(0xffff0000+(c.chan<<8),chan[c.chan].dacSample);
            }
         }
@@ -341,7 +341,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
         }
         chan[c.chan].active=true;
         chan[c.chan].macroInit(ins);
-        if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+        if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
           chan[c.chan].outVol=chan[c.chan].vol;
         }
         break;
@@ -359,7 +359,7 @@ int DivPlatformPCE::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -476,9 +476,9 @@ int DivPlatformPCE::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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_PERIODIC(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:
@@ -503,7 +503,7 @@ void DivPlatformPCE::muteChannel(int ch, bool mute) {
   isMuted[ch]=mute;
   chWrite(ch,0x05,isMuted[ch]?0:chan[ch].pan);
   if (!isMuted[ch] && (chan[ch].pcm && chan[ch].dacSample!=-1)) {
-    chWrite(ch,0x04,parent->song.disableSampleMacro?0xdf:(0xc0|chan[ch].outVol));
+    chWrite(ch,0x04,parent->song.compatFlags.disableSampleMacro?0xdf:(0xc0|chan[ch].outVol));
     chWrite(ch,0x06,chan[ch].dacOut&0x1f);
   }
 }

src/engine/platform/pcmdac.cpp

@@ -365,7 +365,7 @@ int DivPlatformPCMDAC::dispatch(DivCommand c) {
       chan[0].active=true;
       chan[0].keyOn=true;
       chan[0].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[0].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[0].std.vol.will) {
         chan[0].envVol=64;
       }
       if (chan[0].useWave) {
@@ -446,7 +446,7 @@ int DivPlatformPCMDAC::dispatch(DivCommand c) {
     }
     case DIV_CMD_PRE_PORTA:
       if (chan[0].active && c.value2) {
-        if (parent->song.resetMacroOnPorta) chan[0].macroInit(parent->getIns(chan[0].ins,DIV_INS_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[0].macroInit(parent->getIns(chan[0].ins,DIV_INS_AMIGA));
       }
       chan[0].inPorta=c.value;
       break;

src/engine/platform/pcspkr.cpp

@@ -470,7 +470,7 @@ int DivPlatformPCSpeaker::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -537,9 +537,9 @@ int DivPlatformPCSpeaker::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/pet.cpp

@@ -158,7 +158,7 @@ int DivPlatformPET::dispatch(DivCommand c) {
       chan[0].active=true;
       chan[0].keyOn=true;
       chan[0].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[0].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[0].std.vol.will) {
         chan[0].outVol=chan[0].vol;
       }
       break;
@@ -227,9 +227,9 @@ int DivPlatformPET::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (chan[0].active && c.value2) {
-        if (parent->song.resetMacroOnPorta) chan[0].macroInit(parent->getIns(chan[0].ins,DIV_INS_PET));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[0].macroInit(parent->getIns(chan[0].ins,DIV_INS_PET));
       }
-      if (!chan[0].inPorta && c.value && !parent->song.brokenPortaArp && chan[0].std.arp.will && !NEW_ARP_STRAT) chan[0].baseFreq=NOTE_PERIODIC(chan[0].note);
+      if (!chan[0].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[0].std.arp.will && !NEW_ARP_STRAT) chan[0].baseFreq=NOTE_PERIODIC(chan[0].note);
       chan[0].inPorta=c.value;
       break;
     case DIV_CMD_GET_VOLMAX:

src/engine/platform/pokemini.cpp

@@ -175,7 +175,7 @@ int DivPlatformPokeMini::dispatch(DivCommand c) {
       chan[c.chan].active=true;
       chan[c.chan].keyOn=true;
       chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POKEMINI));
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -241,9 +241,9 @@ int DivPlatformPokeMini::dispatch(DivCommand c) {
       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_POKEMINI));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POKEMINI));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/pokey.cpp

@@ -184,7 +184,7 @@ void DivPlatformPOKEY::tick(bool sysTick) {
 
   for (int i=0; i<4; i++) {
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
-      chan[i].freq=parent->calcFreq(chan[i].baseFreq,parent->song.linearPitch?chan[i].pitch:0,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,parent->song.linearPitch?chan[i].pitch2:0,chipClock,CHIP_DIVIDER);
+      chan[i].freq=parent->calcFreq(chan[i].baseFreq,parent->song.compatFlags.linearPitch?chan[i].pitch:0,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,true,0,parent->song.compatFlags.linearPitch?chan[i].pitch2:0,chipClock,CHIP_DIVIDER);
 
       if ((i==0 && !(audctl&64)) || (i==2 && !(audctl&32)) || i==1 || i==3) {
         chan[i].freq/=7;
@@ -223,7 +223,7 @@ void DivPlatformPOKEY::tick(bool sysTick) {
       }
 
       // non-linear pitch
-      if (!parent->song.linearPitch) {
+      if (!parent->song.compatFlags.linearPitch) {
         chan[i].freq-=chan[i].pitch;
       }
 
@@ -297,7 +297,7 @@ int DivPlatformPOKEY::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         chan[c.chan].ctlChanged=true;
       }
@@ -383,9 +383,9 @@ int DivPlatformPOKEY::dispatch(DivCommand c) {
       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_POKEY));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POKEY));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/pong.cpp

@@ -101,7 +101,7 @@ int DivPlatformPong::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -168,9 +168,9 @@ int DivPlatformPong::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/powernoise.cpp

@@ -288,7 +288,7 @@ int DivPlatformPowerNoise::dispatch(DivCommand c) {
       }
       chan[c.chan].active=true;
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].keyOn=true;
@@ -372,9 +372,9 @@ int DivPlatformPowerNoise::dispatch(DivCommand c) {
     }
     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_POWERNOISE));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POWERNOISE));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) {
         chan[c.chan].baseFreq=NOTE_PERIODIC(c.value);
       }
       chan[c.chan].inPorta=c.value;

src/engine/platform/pv1000.cpp

@@ -182,9 +182,9 @@ int DivPlatformPV1000::dispatch(DivCommand c) {
       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_PV1000));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_PV1000));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/qsound.cpp

@@ -488,7 +488,7 @@ int DivPlatformQSound::dispatch(DivCommand c) {
       chan[c.chan].keyOn=true;
       chan[c.chan].keyOff=false;
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         if (chan[c.chan].isNewQSound) {
           chan[c.chan].resVol=(chan[c.chan].outVol*16383)/255;
@@ -594,9 +594,9 @@ int DivPlatformQSound::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=QS_NOTE_FREQUENCY(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=QS_NOTE_FREQUENCY(chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_SAMPLE_POS:

src/engine/platform/rf5c68.cpp

@@ -210,7 +210,7 @@ int DivPlatformRF5C68::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -284,9 +284,9 @@ int DivPlatformRF5C68::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/saa.cpp

@@ -211,7 +211,7 @@ int DivPlatformSAA1099::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (isMuted[c.chan]) {
@@ -261,13 +261,13 @@ int DivPlatformSAA1099::dispatch(DivCommand c) {
       int destFreq=NOTE_PERIODIC(c.value2);
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
-        chan[c.chan].baseFreq+=c.value*((parent->song.linearPitch)?1:(8-chan[c.chan].freqH));
+        chan[c.chan].baseFreq+=c.value*((parent->song.compatFlags.linearPitch)?1:(8-chan[c.chan].freqH));
         if (chan[c.chan].baseFreq>=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
         }
       } else {
-        chan[c.chan].baseFreq-=c.value*((parent->song.linearPitch)?1:(8-chan[c.chan].freqH));
+        chan[c.chan].baseFreq-=c.value*((parent->song.compatFlags.linearPitch)?1:(8-chan[c.chan].freqH));
         if (chan[c.chan].baseFreq<=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
@@ -318,9 +318,9 @@ int DivPlatformSAA1099::dispatch(DivCommand c) {
       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_SAA1099));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SAA1099));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_PRE_NOTE:

src/engine/platform/scc.cpp

@@ -172,7 +172,7 @@ int DivPlatformSCC::dispatch(DivCommand c) {
       }
       chan[c.chan].active=true;
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (!isMuted[c.chan]) {
@@ -253,9 +253,9 @@ int DivPlatformSCC::dispatch(DivCommand c) {
       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_SCC));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SCC));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/scvtone.cpp

@@ -100,7 +100,7 @@ void DivPlatformSCV::tick(bool sysTick) {
         } else {
           chan[i].freq=(chan[i].baseFreq+chan[i].pitch+chan[i].pitch2+143);
         }
-        if (!parent->song.oldArpStrategy) {
+        if (!parent->song.compatFlags.oldArpStrategy) {
           if (chan[i].fixedArp) {
             chan[i].freq=(chan[i].baseNoteOverride)+chan[i].pitch+chan[i].pitch2;
           } else {
@@ -186,7 +186,7 @@ int DivPlatformSCV::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].insChanged=false;
@@ -267,9 +267,9 @@ int DivPlatformSCV::dispatch(DivCommand c) {
     }
     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 (parent->song.compatFlags.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 (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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;

src/engine/platform/segapcm.cpp

@@ -66,7 +66,7 @@ void DivPlatformSegaPCM::tick(bool sysTick) {
   for (int i=0; i<16; i++) {
     chan[i].std.next();
 
-    if (parent->song.newSegaPCM) {
+    if (parent->song.compatFlags.newSegaPCM) {
       if (chan[i].std.vol.had) {
         chan[i].outVol=(chan[i].vol*MIN(chan[i].macroVolMul,chan[i].std.vol.val))/chan[i].macroVolMul;
         chan[i].chVolL=(chan[i].outVol*chan[i].chPanL)/127;
@@ -89,13 +89,13 @@ void DivPlatformSegaPCM::tick(bool sysTick) {
       chan[i].pcm.freq=-1;
     }
 
-    if (parent->song.newSegaPCM) if (chan[i].std.panL.had) {
+    if (parent->song.compatFlags.newSegaPCM) if (chan[i].std.panL.had) {
       chan[i].chPanL=chan[i].std.panL.val&127;
       chan[i].chVolL=(chan[i].outVol*chan[i].chPanL)/127;
       rWrite(2+(i<<3),chan[i].chVolL);
     }
 
-    if (parent->song.newSegaPCM) if (chan[i].std.panR.had) {
+    if (parent->song.compatFlags.newSegaPCM) if (chan[i].std.panR.had) {
       chan[i].chPanR=chan[i].std.panR.val&127;
       chan[i].chVolR=(chan[i].outVol*chan[i].chPanR)/127;
       rWrite(3+(i<<3),chan[i].chVolR);
@@ -120,7 +120,7 @@ void DivPlatformSegaPCM::tick(bool sysTick) {
 
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       chan[i].freq=chan[i].baseFreq+(chan[i].pitch)-128+(oldSlides?0:chan[i].pitch2);
-      if (!parent->song.oldArpStrategy) {
+      if (!parent->song.compatFlags.oldArpStrategy) {
         if (chan[i].fixedArp) {
           chan[i].freq=(chan[i].baseNoteOverride<<7)+chan[i].pitch-128+(chan[i].pitch2<<(oldSlides?1:0));
         } else {
@@ -204,10 +204,10 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
         chan[c.chan].pcm.freq=-1;
       }
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
 
-        if (parent->song.newSegaPCM) {
+        if (parent->song.compatFlags.newSegaPCM) {
           chan[c.chan].chVolL=(chan[c.chan].outVol*chan[c.chan].chPanL)/127;
           chan[c.chan].chVolR=(chan[c.chan].outVol*chan[c.chan].chPanR)/127;
           rWrite(2+(c.chan<<3),chan[c.chan].chVolL);
@@ -240,7 +240,7 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
       if (!chan[c.chan].std.vol.has) {
         chan[c.chan].outVol=c.value;
       }
-      if (parent->song.newSegaPCM) {
+      if (parent->song.compatFlags.newSegaPCM) {
         chan[c.chan].chVolL=(c.value*chan[c.chan].chPanL)/127;
         chan[c.chan].chVolR=(c.value*chan[c.chan].chPanR)/127;
       } else {
@@ -262,7 +262,7 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
       chan[c.chan].ins=c.value;
       break;
     case DIV_CMD_PANNING: {
-      if (parent->song.newSegaPCM) {
+      if (parent->song.compatFlags.newSegaPCM) {
         chan[c.chan].chPanL=c.value>>1;
         chan[c.chan].chPanR=c.value2>>1;
         chan[c.chan].chVolL=(chan[c.chan].outVol*chan[c.chan].chPanL)/127;
@@ -284,7 +284,7 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_PORTA: {
       int destFreq=((c.value2+chan[c.chan].sampleNoteDelta)<<7);
       int newFreq;
-      int mul=(oldSlides || !parent->song.linearPitch)?8:1;
+      int mul=(oldSlides || !parent->song.compatFlags.linearPitch)?8:1;
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
         newFreq=chan[c.chan].baseFreq+c.value*mul;
@@ -334,7 +334,7 @@ int DivPlatformSegaPCM::dispatch(DivCommand c) {
       return 127;
       break;
     case DIV_CMD_PRE_PORTA:
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=(chan[c.chan].note<<7);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=(chan[c.chan].note<<7);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_PRE_NOTE:

src/engine/platform/sid2.cpp

@@ -445,12 +445,12 @@ int DivPlatformSID2::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (chan[c.chan].active && c.value2) {
-        if (parent->song.resetMacroOnPorta || parent->song.preNoteNoEffect) {
+        if (parent->song.compatFlags.resetMacroOnPorta || parent->song.compatFlags.preNoteNoEffect) {
           chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SID2));
           chan[c.chan].keyOn=true;
         }
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/sid3.cpp

@@ -845,7 +845,7 @@ int DivPlatformSID3::dispatch(DivCommand c) {
           }
           chan[c.chan].active=true;
           chan[c.chan].macroInit(ins);
-          if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+          if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
             chan[c.chan].outVol=chan[c.chan].vol;
           }
           //chan[c.chan].keyOn=true;
@@ -997,12 +997,12 @@ int DivPlatformSID3::dispatch(DivCommand c) {
       break;
     case DIV_CMD_PRE_PORTA:
       if (chan[c.chan].active && c.value2) {
-        if (parent->song.resetMacroOnPorta || parent->song.preNoteNoEffect) {
+        if (parent->song.compatFlags.resetMacroOnPorta || parent->song.compatFlags.preNoteNoEffect) {
           chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SID3));
           chan[c.chan].keyOn=true;
         }
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_PANNING: {

src/engine/platform/sm8521.cpp

@@ -208,7 +208,7 @@ int DivPlatformSM8521::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -267,13 +267,13 @@ int DivPlatformSM8521::dispatch(DivCommand c) {
       int destFreq=NOTE_PERIODIC(c.value2);
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
-        chan[c.chan].baseFreq+=c.value*((parent->song.linearPitch)?1:8);
+        chan[c.chan].baseFreq+=c.value*((parent->song.compatFlags.linearPitch)?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)?1:8);
+        chan[c.chan].baseFreq-=c.value*((parent->song.compatFlags.linearPitch)?1:8);
         if (chan[c.chan].baseFreq<=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
@@ -293,9 +293,9 @@ int DivPlatformSM8521::dispatch(DivCommand c) {
       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_SM8521));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SM8521));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/sms.cpp

@@ -190,7 +190,7 @@ void DivPlatformSMS::acquireDirect(blip_buffer_t** bb, size_t len) {
 double DivPlatformSMS::NOTE_SN(int ch, int note) {
   double CHIP_DIVIDER=toneDivider;
   if (ch==3) CHIP_DIVIDER=noiseDivider;
-  if (parent->song.linearPitch || !easyNoise) {
+  if (parent->song.compatFlags.linearPitch || !easyNoise) {
     return NOTE_PERIODIC(note);
   }
   int easyStartingPeriod=16;
@@ -210,7 +210,7 @@ int DivPlatformSMS::snCalcFreq(int ch) {
   if (chan[ch].fixedArp) {
     curFreq=chan[ch].baseNoteOverride<<7;
   }
-  if (parent->song.linearPitch && easyNoise && curFreq>easyThreshold) {
+  if (parent->song.compatFlags.linearPitch && easyNoise && curFreq>easyThreshold) {
     int ret=(((easyStartingPeriod<<7))-(curFreq-(easyThreshold)))>>7;
     if (ret<0) ret=0;
     return ret;
@@ -242,7 +242,7 @@ void DivPlatformSMS::tick(bool sysTick) {
     }
     if (i==3) {
       if (chan[i].std.duty.had) {
-        if (chan[i].std.duty.val!=snNoiseMode || parent->song.snDutyReset) {
+        if (chan[i].std.duty.val!=snNoiseMode || parent->song.compatFlags.snDutyReset) {
           snNoiseMode=chan[i].std.duty.val;
           if (chan[i].std.duty.val<2) {
             chan[3].freqChanged=false;
@@ -277,7 +277,7 @@ void DivPlatformSMS::tick(bool sysTick) {
     if (chan[i].freqChanged) {
       chan[i].freq=snCalcFreq(i);
       if (chan[i].freq>1023) chan[i].freq=1023;
-      if (parent->song.snNoLowPeriods) {
+      if (parent->song.compatFlags.snNoLowPeriods) {
         if (chan[i].freq<8) chan[i].freq=1;
       } else {
         if (chan[i].freq<0) chan[i].freq=0;
@@ -297,7 +297,7 @@ void DivPlatformSMS::tick(bool sysTick) {
     chan[3].freq=snCalcFreq(3);
     //parent->calcFreq(chan[3].baseFreq,chan[3].pitch,chan[3].fixedArp?chan[3].baseNoteOverride:chan[3].arpOff,chan[3].fixedArp,true,0,chan[3].pitch2,chipClock,noiseDivider);
     if (chan[3].freq>1023) chan[3].freq=1023;
-    if (parent->song.snNoLowPeriods) {
+    if (parent->song.compatFlags.snNoLowPeriods) {
       if (chan[3].actualNote>0x5d) chan[3].freq=0x01;
     }
     if (chan[3].freq<0) chan[3].freq=0;
@@ -359,13 +359,13 @@ int DivPlatformSMS::dispatch(DivCommand c) {
       }
       chan[c.chan].active=true;
       chan[c.chan].keyOff=false;
-      //if (!parent->song.brokenOutVol2) {
+      //if (!parent->song.compatFlags.brokenOutVol2) {
         chan[c.chan].writeVol=true;
         chan[c.chan].outVol=chan[c.chan].vol;
         //rWrite(0,0x90|c.chan<<5|(isMuted[c.chan]?15:(15-(chan[c.chan].vol&15))));
       //}
       chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_STD));
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -451,9 +451,9 @@ int DivPlatformSMS::dispatch(DivCommand c) {
       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_STD));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_STD));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_SN(c.chan,chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_SN(c.chan,chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_GET_VOLMAX:

src/engine/platform/snes.cpp

@@ -390,7 +390,7 @@ int DivPlatformSNES::dispatch(DivCommand c) {
       chan[c.chan].keyOn=true;
       chan[c.chan].macroInit(ins);
       // this is the fix. it needs testing.
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         if (chan[c.chan].outVol!=chan[c.chan].vol) chan[c.chan].shallWriteVol=true;
         chan[c.chan].outVol=chan[c.chan].vol;
       }
@@ -482,7 +482,7 @@ int DivPlatformSNES::dispatch(DivCommand c) {
     }
     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_SNES));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SNES));
       }
       chan[c.chan].inPorta=c.value;
       break;

src/engine/platform/su.cpp

@@ -327,7 +327,7 @@ int DivPlatformSoundUnit::dispatch(DivCommand c) {
       chan[c.chan].hwSeqDelay=0;
       chWrite(c.chan,0x02,chan[c.chan].vol);
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].insChanged=false;
@@ -484,13 +484,13 @@ int DivPlatformSoundUnit::dispatch(DivCommand c) {
       int destFreq=NOTE_SU(c.chan,c.value2+chan[c.chan].sampleNoteDelta);
       bool return2=false;
       if (destFreq>chan[c.chan].baseFreq) {
-        chan[c.chan].baseFreq+=c.value*((parent->song.linearPitch)?1:(1+(chan[c.chan].baseFreq>>9)));
+        chan[c.chan].baseFreq+=c.value*((parent->song.compatFlags.linearPitch)?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)?1:(1+(chan[c.chan].baseFreq>>9)));
+        chan[c.chan].baseFreq-=c.value*((parent->song.compatFlags.linearPitch)?1:(1+(chan[c.chan].baseFreq>>9)));
         if (chan[c.chan].baseFreq<=destFreq) {
           chan[c.chan].baseFreq=destFreq;
           return2=true;
@@ -519,9 +519,9 @@ int DivPlatformSoundUnit::dispatch(DivCommand c) {
       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));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SU));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_SU(c.chan,chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_SU(c.chan,chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_C64_PW_SLIDE:

src/engine/platform/supervision.cpp

@@ -297,7 +297,7 @@ int DivPlatformSupervision::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].insChanged=false;
@@ -384,9 +384,9 @@ int DivPlatformSupervision::dispatch(DivCommand c) {
       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_SUPERVISION));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SUPERVISION));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/swan.cpp

@@ -405,7 +405,7 @@ int DivPlatformSwan::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -538,9 +538,9 @@ int DivPlatformSwan::dispatch(DivCommand c) {
       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_SWAN));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_SWAN));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/t6w28.cpp

@@ -95,7 +95,7 @@ void DivPlatformT6W28::writeOutVol(int ch) {
 double DivPlatformT6W28::NOTE_SN(int ch, int note) {
   double CHIP_DIVIDER=16;
   if (ch==3) CHIP_DIVIDER=15;
-  if (parent->song.linearPitch || !easyNoise) {
+  if (parent->song.compatFlags.linearPitch || !easyNoise) {
     return NOTE_PERIODIC(note);
   }
   if (note>107) {
@@ -105,7 +105,7 @@ double DivPlatformT6W28::NOTE_SN(int ch, int note) {
 }
 
 int DivPlatformT6W28::snCalcFreq(int ch) {
-  if (parent->song.linearPitch && easyNoise && chan[ch].baseFreq+chan[ch].pitch+chan[ch].pitch2>(107<<7)) {
+  if (parent->song.compatFlags.linearPitch && easyNoise && chan[ch].baseFreq+chan[ch].pitch+chan[ch].pitch2>(107<<7)) {
     int ret=(((13<<7)+0x40)-(chan[ch].baseFreq+chan[ch].pitch+chan[ch].pitch2-(107<<7)))>>7;
     if (ret<0) ret=0;
     return ret;
@@ -187,7 +187,7 @@ int DivPlatformT6W28::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         writeOutVol(c.chan);
       }
@@ -270,9 +270,9 @@ int DivPlatformT6W28::dispatch(DivCommand c) {
       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_T6W28));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_T6W28));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_SN(c.chan,chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_SN(c.chan,chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_GET_VOLMAX:

src/engine/platform/ted.cpp

@@ -149,7 +149,7 @@ int DivPlatformTED::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       chan[c.chan].insChanged=false;
@@ -230,9 +230,9 @@ int DivPlatformTED::dispatch(DivCommand c) {
       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_TED));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_TED));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/tia.cpp

@@ -295,7 +295,7 @@ int DivPlatformTIA::dispatch(DivCommand c) {
       chan[c.chan].keyOn=true;
       rWrite(0x15+c.chan,chan[c.chan].shape);
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].insChanged) {
@@ -395,7 +395,7 @@ int DivPlatformTIA::dispatch(DivCommand c) {
       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_TIA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_TIA));
       }
       chan[c.chan].inPorta=c.value;
       break;

src/engine/platform/tx81z.cpp

@@ -229,7 +229,7 @@ void DivPlatformTX81Z::tick(bool sysTick) {
     if (chan[i].std.alg.had) {
       chan[i].state.alg=chan[i].std.alg.val;
       immWrite(chanOffs[i]+ADDR_LR_FB_ALG,(chan[i].state.alg&7)|(chan[i].state.fb<<3)|(chan[i].active?0x40:0)|(chan[i].chVolR<<7));
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -321,7 +321,7 @@ void DivPlatformTX81Z::tick(bool sysTick) {
       }
 
       // fixed pitch
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         bool freqChangeOp=false;
 
         if (op.egt) {
@@ -416,7 +416,7 @@ void DivPlatformTX81Z::tick(bool sysTick) {
   for (int i=0; i<8; i++) {
     if (chan[i].freqChanged) {
       chan[i].freq=chan[i].baseFreq+chan[i].pitch-128+chan[i].pitch2;
-      if (!parent->song.oldArpStrategy) {
+      if (!parent->song.compatFlags.oldArpStrategy) {
         if (chan[i].fixedArp) {
           chan[i].freq=(chan[i].baseNoteOverride<<7)+chan[i].pitch-128+chan[i].pitch2;
         } else {
@@ -1006,7 +1006,7 @@ int DivPlatformTX81Z::dispatch(DivCommand c) {
       return 127;
       break;
     case DIV_CMD_PRE_PORTA:
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_LINEAR(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NOTE_LINEAR(chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_PRE_NOTE:

src/engine/platform/vb.cpp

@@ -297,7 +297,7 @@ int DivPlatformVB::dispatch(DivCommand c) {
         }
         chWrite(4,0x00,0x80);
       }
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
         writeEnv(c.chan);
       }
@@ -445,9 +445,9 @@ int DivPlatformVB::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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_PERIODIC(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/vera.cpp

@@ -347,7 +347,7 @@ int DivPlatformVERA::dispatch(DivCommand c) {
       }
       chan[c.chan].active=true;
       chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_VERA));
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -421,7 +421,7 @@ int DivPlatformVERA::dispatch(DivCommand c) {
       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_VERA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_VERA));
       }
       if (!chan[c.chan].inPorta && c.value && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=calcNoteFreq(c.chan,chan[c.chan].note);
       chan[c.chan].inPorta=c.value;

src/engine/platform/vic20.cpp

@@ -247,9 +247,9 @@ int DivPlatformVIC20::dispatch(DivCommand c) {
       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_VIC));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_VIC));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/vrc6.cpp

@@ -297,7 +297,7 @@ int DivPlatformVRC6::dispatch(DivCommand c) {
             }
             chan[c.chan].active=true;
             chan[c.chan].macroInit(ins);
-            if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+            if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
               chan[c.chan].outVol=chan[c.chan].vol;
             }
             //chan[c.chan].keyOn=true;
@@ -418,9 +418,9 @@ int DivPlatformVRC6::dispatch(DivCommand c) {
       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_VRC6));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_VRC6));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/x1_010.cpp

@@ -614,7 +614,7 @@ int DivPlatformX1_010::dispatch(DivCommand c) {
       chan[c.chan].keyOn=true;
       chan[c.chan].envChanged=true;
       chan[c.chan].macroInit(ins);
-      if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       if (chan[c.chan].wave<0) {
@@ -729,9 +729,9 @@ int DivPlatformX1_010::dispatch(DivCommand c) {
       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_X1_010));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_X1_010));
       }
-      if (!chan[c.chan].inPorta && c.value && !parent->song.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NoteX1_010(c.chan,chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.brokenPortaArp && chan[c.chan].std.arp.will && !NEW_ARP_STRAT) chan[c.chan].baseFreq=NoteX1_010(c.chan,chan[c.chan].note);
       chan[c.chan].inPorta=c.value;
       break;
     case DIV_CMD_SAMPLE_FREQ:

src/engine/platform/ym2203.cpp

@@ -551,7 +551,7 @@ void DivPlatformYM2203::tick(bool sysTick) {
     if (chan[i].std.alg.had) {
       chan[i].state.alg=chan[i].std.alg.val;
       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++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -661,7 +661,7 @@ void DivPlatformYM2203::tick(bool sysTick) {
   for (int i=0; i<3; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[i].state.block);
       } else {
         int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2);
@@ -797,7 +797,7 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
       chan[c.chan].keyOff=true;
       chan[c.chan].keyOn=false;
       chan[c.chan].active=false;
-      if (parent->song.brokenFMOff) chan[c.chan].macroInit(NULL); 
+      if (parent->song.compatFlags.brokenFMOff) chan[c.chan].macroInit(NULL); 
       break;
     case DIV_CMD_NOTE_OFF_ENV:
       chan[c.chan].keyOff=true;
@@ -867,7 +867,7 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
         }
         break;
       }
-      if (c.chan>(psgChanOffs-1) || parent->song.linearPitch) { // PSG
+      if (c.chan>(psgChanOffs-1) || parent->song.compatFlags.linearPitch) { // PSG
         int destFreq=NOTE_FNUM_BLOCK(c.value2,11,chan[c.chan].state.block);
         bool return2=false;
         if (destFreq>chan[c.chan].baseFreq) {
@@ -1156,7 +1156,7 @@ int DivPlatformYM2203::dispatch(DivCommand c) {
     case DIV_CMD_PRE_PORTA:
       if (c.chan>(2+isCSM)) {
         if (chan[c.chan].active && c.value2) {
-          if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
+          if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
         }
       }
       chan[c.chan].inPorta=c.value;

src/engine/platform/ym2203ext.cpp

@@ -146,7 +146,7 @@ int DivPlatformYM2203Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         int destFreq=NOTE_FREQUENCY(c.value2);
         bool return2=false;
         if (destFreq>opChan[ch].baseFreq) {
@@ -472,7 +472,7 @@ void DivPlatformYM2203Ext::tick(bool sysTick) {
     if (opChan[i].std.alg.had) {
       chan[extChanOffs].state.alg=opChan[i].std.alg.val;
       rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.algMacroBehavior) for (int j=0; j<4; j++) {
         unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[j];
         DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[j];
         if (isOpMuted[j] || !op.enable) {
@@ -551,7 +551,7 @@ void DivPlatformYM2203Ext::tick(bool sysTick) {
   unsigned char hardResetMask=0;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[extChanOffs].state.block);
       } else {
         int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2);

src/engine/platform/ym2608.cpp

@@ -794,7 +794,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
     if (chan[i].std.alg.had) {
       chan[i].state.alg=chan[i].std.alg.val;
       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++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -916,7 +916,7 @@ void DivPlatformYM2608::tick(bool sysTick) {
   for (int i=0; i<6; i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[i].state.block);
       } else {
         int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2);
@@ -1238,7 +1238,7 @@ int DivPlatformYM2608::dispatch(DivCommand c) {
       chan[c.chan].keyOff=true;
       chan[c.chan].keyOn=false;
       chan[c.chan].active=false;
-      if (parent->song.brokenFMOff) chan[c.chan].macroInit(NULL);
+      if (parent->song.compatFlags.brokenFMOff) chan[c.chan].macroInit(NULL);
       break;
     case DIV_CMD_NOTE_OFF_ENV:
       chan[c.chan].keyOff=true;
@@ -1340,7 +1340,7 @@ int DivPlatformYM2608::dispatch(DivCommand c) {
         }
         break;
       }
-      if (c.chan>(5+isCSM) || parent->song.linearPitch) { // PSG, ADPCM-B
+      if (c.chan>(5+isCSM) || parent->song.compatFlags.linearPitch) { // PSG, ADPCM-B
         int destFreq=NOTE_OPNB(c.chan,c.value2+chan[c.chan].sampleNoteDelta);
         bool return2=false;
         if (destFreq>chan[c.chan].baseFreq) {
@@ -1651,7 +1651,7 @@ int DivPlatformYM2608::dispatch(DivCommand c) {
     case DIV_CMD_PRE_PORTA:
       if (c.chan>5) {
         if (chan[c.chan].active && c.value2) {
-          if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
+          if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
         }
       }
       chan[c.chan].inPorta=c.value;

src/engine/platform/ym2608ext.cpp

@@ -150,7 +150,7 @@ int DivPlatformYM2608Ext::dispatch(DivCommand c) {
       } else {
         opChan[ch].pan=(c.value2>0)|((c.value>0)<<1);
       }
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int i=0; i<4; i++) {
           if (ch==i) continue;
           opChan[i].pan=opChan[ch].pan;
@@ -166,7 +166,7 @@ int DivPlatformYM2608Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         int destFreq=NOTE_FREQUENCY(c.value2);
         bool return2=false;
         if (destFreq>opChan[ch].baseFreq) {
@@ -510,7 +510,7 @@ void DivPlatformYM2608Ext::tick(bool sysTick) {
     if (opChan[i].std.alg.had) {
       chan[extChanOffs].state.alg=opChan[i].std.alg.val;
       rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.algMacroBehavior) for (int j=0; j<4; j++) {
         unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[j];
         DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[j];
         if (isOpMuted[j] || !op.enable) {
@@ -541,7 +541,7 @@ void DivPlatformYM2608Ext::tick(bool sysTick) {
 
     if (opChan[i].std.panL.had) {
       opChan[i].pan=opChan[i].std.panL.val&3;
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int j=0; j<4; j++) {
           if (i==j) continue;
           opChan[j].pan=opChan[i].pan;
@@ -612,7 +612,7 @@ void DivPlatformYM2608Ext::tick(bool sysTick) {
   unsigned char hardResetMask=0;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[extChanOffs].state.block);
       } else {
         int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2);

src/engine/platform/ym2610.cpp

@@ -714,7 +714,7 @@ void DivPlatformYM2610::tick(bool sysTick) {
     if (chan[i].std.alg.had) {
       chan[i].state.alg=chan[i].std.alg.val;
       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++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -836,7 +836,7 @@ void DivPlatformYM2610::tick(bool sysTick) {
   for (int i=0; i<(psgChanOffs-isCSM); i++) {
     if (i==1 && extMode) continue;
     if (chan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[i].state.block);
       } else {
         int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11);
@@ -1178,7 +1178,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
       chan[c.chan].keyOff=true;
       chan[c.chan].keyOn=false;
       chan[c.chan].active=false;
-      if (parent->song.brokenFMOff) chan[c.chan].macroInit(NULL);
+      if (parent->song.compatFlags.brokenFMOff) chan[c.chan].macroInit(NULL);
       break;
     case DIV_CMD_NOTE_OFF_ENV:
       chan[c.chan].keyOff=true;
@@ -1280,7 +1280,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
         }
         break;
       }
-      if (c.chan>=psgChanOffs || parent->song.linearPitch) { // PSG, ADPCM-B
+      if (c.chan>=psgChanOffs || parent->song.compatFlags.linearPitch) { // PSG, ADPCM-B
         int destFreq=NOTE_OPNB(c.chan,c.value2+chan[c.chan].sampleNoteDelta);
         bool return2=false;
         if (destFreq>chan[c.chan].baseFreq) {
@@ -1591,7 +1591,7 @@ int DivPlatformYM2610::dispatch(DivCommand c) {
     case DIV_CMD_PRE_PORTA:
       if (c.chan>=psgChanOffs) {
         if (chan[c.chan].active && c.value2) {
-          if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
+          if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
         }
       }
       chan[c.chan].inPorta=c.value;

src/engine/platform/ym2610b.cpp

@@ -783,7 +783,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
     if (chan[i].std.alg.had) {
       chan[i].state.alg=chan[i].std.alg.val;
       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++) {
+      if (!parent->song.compatFlags.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] || !op.enable) {
@@ -905,7 +905,7 @@ void DivPlatformYM2610B::tick(bool sysTick) {
   for (int i=0; i<(psgChanOffs-isCSM); i++) {
     if (i==2 && extMode) continue;
     if (chan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[i].state.block);
       } else {
         int fNum=parent->calcFreq(chan[i].baseFreq&0x7ff,chan[i].pitch,chan[i].fixedArp?chan[i].baseNoteOverride:chan[i].arpOff,chan[i].fixedArp,false,4,chan[i].pitch2);
@@ -1247,7 +1247,7 @@ int DivPlatformYM2610B::dispatch(DivCommand c) {
       chan[c.chan].keyOff=true;
       chan[c.chan].keyOn=false;
       chan[c.chan].active=false;
-      if (parent->song.brokenFMOff) chan[c.chan].macroInit(NULL);
+      if (parent->song.compatFlags.brokenFMOff) chan[c.chan].macroInit(NULL);
       break;
     case DIV_CMD_NOTE_OFF_ENV:
       chan[c.chan].keyOff=true;
@@ -1349,7 +1349,7 @@ int DivPlatformYM2610B::dispatch(DivCommand c) {
         }
         break;
       }
-      if (c.chan>=psgChanOffs || parent->song.linearPitch) { // PSG, ADPCM-B
+      if (c.chan>=psgChanOffs || parent->song.compatFlags.linearPitch) { // PSG, ADPCM-B
         int destFreq=NOTE_OPNB(c.chan,c.value2+chan[c.chan].sampleNoteDelta);
         bool return2=false;
         if (destFreq>chan[c.chan].baseFreq) {
@@ -1660,7 +1660,7 @@ int DivPlatformYM2610B::dispatch(DivCommand c) {
     case DIV_CMD_PRE_PORTA:
       if (c.chan>=psgChanOffs) {
         if (chan[c.chan].active && c.value2) {
-          if (parent->song.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
+          if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_FM));
         }
       }
       chan[c.chan].inPorta=c.value;

src/engine/platform/ym2610bext.cpp

@@ -146,7 +146,7 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
       } else {
         opChan[ch].pan=(c.value2>0)|((c.value>0)<<1);
       }
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int i=0; i<4; i++) {
           if (ch==i) continue;
           opChan[i].pan=opChan[ch].pan;
@@ -162,7 +162,7 @@ int DivPlatformYM2610BExt::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         int destFreq=NOTE_FREQUENCY(c.value2);
         bool return2=false;
         if (destFreq>opChan[ch].baseFreq) {
@@ -503,7 +503,7 @@ void DivPlatformYM2610BExt::tick(bool sysTick) {
     if (opChan[i].std.alg.had) {
       chan[extChanOffs].state.alg=opChan[i].std.alg.val;
       rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.algMacroBehavior) for (int j=0; j<4; j++) {
         unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[j];
         DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[j];
         if (isOpMuted[j] || !op.enable) {
@@ -534,7 +534,7 @@ void DivPlatformYM2610BExt::tick(bool sysTick) {
 
     if (opChan[i].std.panL.had) {
       opChan[i].pan=opChan[i].std.panL.val&3;
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int j=0; j<4; j++) {
           if (i==j) continue;
           opChan[j].pan=opChan[i].pan;
@@ -604,7 +604,7 @@ void DivPlatformYM2610BExt::tick(bool sysTick) {
   unsigned char hardResetMask=0;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[extChanOffs].state.block);
       } else {
         int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2);

src/engine/platform/ym2610ext.cpp

@@ -146,7 +146,7 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       } else {
         opChan[ch].pan=(c.value2>0)|((c.value>0)<<1);
       }
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int i=0; i<4; i++) {
           if (ch==i) continue;
           opChan[i].pan=opChan[ch].pan;
@@ -162,7 +162,7 @@ int DivPlatformYM2610Ext::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_NOTE_PORTA: {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         int destFreq=NOTE_FREQUENCY(c.value2);
         bool return2=false;
         if (destFreq>opChan[ch].baseFreq) {
@@ -503,7 +503,7 @@ void DivPlatformYM2610Ext::tick(bool sysTick) {
     if (opChan[i].std.alg.had) {
       chan[extChanOffs].state.alg=opChan[i].std.alg.val;
       rWrite(chanOffs[extChanOffs]+ADDR_FB_ALG,(chan[extChanOffs].state.alg&7)|(chan[extChanOffs].state.fb<<3));
-      if (!parent->song.algMacroBehavior) for (int j=0; j<4; j++) {
+      if (!parent->song.compatFlags.algMacroBehavior) for (int j=0; j<4; j++) {
         unsigned short baseAddr=chanOffs[extChanOffs]|opOffs[j];
         DivInstrumentFM::Operator& op=chan[extChanOffs].state.op[j];
         if (isOpMuted[j] || !op.enable) {
@@ -534,7 +534,7 @@ void DivPlatformYM2610Ext::tick(bool sysTick) {
 
     if (opChan[i].std.panL.had) {
       opChan[i].pan=opChan[i].std.panL.val&3;
-      if (parent->song.sharedExtStat) {
+      if (parent->song.compatFlags.sharedExtStat) {
         for (int j=0; j<4; j++) {
           if (i==j) continue;
           opChan[j].pan=opChan[i].pan;
@@ -604,7 +604,7 @@ void DivPlatformYM2610Ext::tick(bool sysTick) {
   unsigned char hardResetMask=0;
   if (extMode) for (int i=0; i<4; i++) {
     if (opChan[i].freqChanged) {
-      if (parent->song.linearPitch) {
+      if (parent->song.compatFlags.linearPitch) {
         opChan[i].freq=parent->calcFreq(opChan[i].baseFreq,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2,chipClock,CHIP_FREQBASE,11,chan[extChanOffs].state.block);
       } else {
         int fNum=parent->calcFreq(opChan[i].baseFreq&0x7ff,opChan[i].pitch,opChan[i].fixedArp?opChan[i].baseNoteOverride:opChan[i].arpOff,opChan[i].fixedArp,false,4,opChan[i].pitch2);

src/engine/platform/ymz280b.cpp

@@ -241,7 +241,7 @@ int DivPlatformYMZ280B::dispatch(DivCommand c) {
       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) {
+      if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
         chan[c.chan].outVol=chan[c.chan].vol;
       }
       break;
@@ -287,7 +287,7 @@ int DivPlatformYMZ280B::dispatch(DivCommand c) {
     case DIV_CMD_NOTE_PORTA: {
       int destFreq=NOTE_FREQUENCY(c.value2+chan[c.chan].sampleNoteDelta);
       bool return2=false;
-      int multiplier=(parent->song.linearPitch)?1:256;
+      int multiplier=(parent->song.compatFlags.linearPitch)?1:256;
       if (destFreq>chan[c.chan].baseFreq) {
         chan[c.chan].baseFreq+=c.value*multiplier;
         if (chan[c.chan].baseFreq>=destFreq) {
@@ -316,9 +316,9 @@ int DivPlatformYMZ280B::dispatch(DivCommand c) {
     }
     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_AMIGA));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_AMIGA));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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_SAMPLE_POS:

src/engine/platform/zxbeeper.cpp

@@ -212,9 +212,9 @@ int DivPlatformZXBeeper::dispatch(DivCommand c) {
       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 (parent->song.compatFlags.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_FREQUENCY(chan[c.chan].note);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/platform/zxbeeperquadtone.cpp

@@ -190,7 +190,7 @@ int DivPlatformZXBeeperQuadTone::dispatch(DivCommand c) {
         chan[c.chan].keyOn=true;
         chan[c.chan].macroInit(ins);
         chan[c.chan].insChanged=false;
-        if (!parent->song.brokenOutVol && !chan[c.chan].std.vol.will) {
+        if (!parent->song.compatFlags.brokenOutVol && !chan[c.chan].std.vol.will) {
           chan[c.chan].outVol=chan[c.chan].vol;
           writeOutVol(c.chan);
         }
@@ -293,9 +293,9 @@ int DivPlatformZXBeeperQuadTone::dispatch(DivCommand c) {
       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_POKEMINI));
+        if (parent->song.compatFlags.resetMacroOnPorta) chan[c.chan].macroInit(parent->getIns(chan[c.chan].ins,DIV_INS_POKEMINI));
       }
-      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);
+      if (!chan[c.chan].inPorta && c.value && !parent->song.compatFlags.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:

src/engine/playback.cpp

@@ -664,9 +664,9 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // - 2: DefleMask (same as 1)
           // in the case of normal, the jump row (changePos) is not reset to 0
           // this means that you can do 0Dxx 0Byy and it'll work, taking you to row xx of order yy
-          if (changeOrd==-1 || song.jumpTreatment==0) {
+          if (changeOrd==-1 || song.compatFlags.jumpTreatment==0) {
             changeOrd=effectVal;
-            if (song.jumpTreatment==1 || song.jumpTreatment==2) {
+            if (song.compatFlags.jumpTreatment==1 || song.compatFlags.jumpTreatment==2) {
               changePos=0;
             }
           }
@@ -676,23 +676,23 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // if there is a 0Dxx effect on the very last order, it is ignored
 
           // COMPAT FLAG: simultaneous jump treatment
-          if (song.jumpTreatment==2) {
+          if (song.compatFlags.jumpTreatment==2) {
             // - 2: DefleMask (jump to next order unless it is the last one and ignoreJumpAtEnd is on)
-            if ((curOrder<(curSubSong->ordersLen-1) || !song.ignoreJumpAtEnd)) {
+            if ((curOrder<(curSubSong->ordersLen-1) || !song.compatFlags.ignoreJumpAtEnd)) {
               // changeOrd -2 means increase order by 1
               // it overrides a previous 0Bxx effect
               changeOrd=-2;
               changePos=effectVal;
             }
-          } else if (song.jumpTreatment==1) {
+          } else if (song.compatFlags.jumpTreatment==1) {
             // - 1: old Furnace (same as 2 but ignored if 0Bxx is present)
-            if (changeOrd<0 && (curOrder<(curSubSong->ordersLen-1) || !song.ignoreJumpAtEnd)) {
+            if (changeOrd<0 && (curOrder<(curSubSong->ordersLen-1) || !song.compatFlags.ignoreJumpAtEnd)) {
               changeOrd=-2;
               changePos=effectVal;
             }
           } else {
             // - 0: normal
-            if (curOrder<(curSubSong->ordersLen-1) || !song.ignoreJumpAtEnd) {
+            if (curOrder<(curSubSong->ordersLen-1) || !song.compatFlags.ignoreJumpAtEnd) {
               // set the target order if not set, allowing you to use 0B and 0D regardless of position
               if (changeOrd<0) {
                 changeOrd=-2;
@@ -710,8 +710,8 @@ void DivEngine::processRow(int i, bool afterDelay) {
             //   - delays equal or greater to the speed are ignored
             // - 2: lax (default)
             //   - no delay is ever ignored unless overridden by another
-            bool comparison=(song.delayBehavior==1)?(effectVal<=nextSpeed):(effectVal<(nextSpeed*(curSubSong->timeBase+1)));
-            if (song.delayBehavior==2) comparison=true;
+            bool comparison=(song.compatFlags.delayBehavior==1)?(effectVal<=nextSpeed):(effectVal<(nextSpeed*(curSubSong->timeBase+1)));
+            if (song.compatFlags.delayBehavior==2) comparison=true;
             if (comparison) {
               // set the delay row, order and timer
               chan[i].rowDelay=effectVal;
@@ -762,7 +762,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
 
       // COMPAT FLAG: legacy volume slides
       // - sets volume to max once a vol slide down has finished (thus setting volume to volMax+1)
-      if (song.legacyVolumeSlides && chan[i].volume==chan[i].volMax+1) {
+      if (song.compatFlags.legacyVolumeSlides && chan[i].volume==chan[i].volMax+1) {
         logV("forcing volume");
         chan[i].volume=chan[i].volMax;
         dispatchCmd(DivCommand(DIV_CMD_VOLUME,i,chan[i].volume>>8));
@@ -780,7 +780,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
     // COMPAT FLAG: reset slides on note off (inverted in the GUI)
     // - a portamento/pitch slide will be halted upon encountering note off
     // - this will not occur if the stopPortaOnNoteOff flag is on and this is a portamento
-    if (chan[i].inPorta && song.noteOffResetsSlides) {
+    if (chan[i].inPorta && song.compatFlags.noteOffResetsSlides) {
       // stopOnOff will be false if stopPortaOnNoteOff flag is off
       if (chan[i].stopOnOff) {
         chan[i].portaNote=-1;
@@ -805,7 +805,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
     chan[i].keyOn=false;
     chan[i].keyOff=true;
     // same thing here regarding reset slide behavior
-    if (chan[i].inPorta && song.noteOffResetsSlides) {
+    if (chan[i].inPorta && song.compatFlags.noteOffResetsSlides) {
       if (chan[i].stopOnOff) {
         chan[i].portaNote=-1;
         chan[i].portaSpeed=-1;
@@ -843,7 +843,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
     chan[i].doNote=true;
     // COMPAT FLAG: compatible arpeggio
     // - once a new note plays, arp will not be applied for this tick
-    if (chan[i].arp!=0 && song.compatibleArpeggio) {
+    if (chan[i].arp!=0 && song.compatFlags.compatibleArpeggio) {
       chan[i].arpYield=true;
     }
   }
@@ -872,7 +872,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
     // COMPAT FLAG: legacy ALWAYS_SET_VOLUME behavior (oldAlwaysSetVolume)
     // - prior to its addition, volume changes wouldn't be effective depending on the system if the volume is the same as the current one
     // - afterwards, volume change is made regardless in order to set the bottom byte of volume ("subvolume")
-    if (!song.oldAlwaysSetVolume || disCont[song.dispatchOfChan[i]].dispatch->getLegacyAlwaysSetVolume() || (MIN(chan[i].volMax,chan[i].volume)>>8)!=pat->newData[whatRow][DIV_PAT_VOL]) {
+    if (!song.compatFlags.oldAlwaysSetVolume || disCont[song.dispatchOfChan[i]].dispatch->getLegacyAlwaysSetVolume() || (MIN(chan[i].volMax,chan[i].volume)>>8)!=pat->newData[whatRow][DIV_PAT_VOL]) {
       // here we let dispatchCmd() know we can do MIDI aftertouch if there isn't a note
       if (pat->newData[whatRow][DIV_PAT_NOTE]==-1) {
         chan[i].midiAftertouch=true;
@@ -982,7 +982,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         // - 02xx still works
         // - a previous portamento (03xx) will prevent this slide from occurring
         // - E1xy/E2xy also will if *another* flag is set
-        if (song.ignoreDuplicateSlides && (lastSlide==0x01 || lastSlide==0x1337)) break;
+        if (song.compatFlags.ignoreDuplicateSlides && (lastSlide==0x01 || lastSlide==0x1337)) break;
         lastSlide=0x01;
         if (effectVal==0) {
           chan[i].portaNote=-1;
@@ -994,12 +994,12 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // - this prompts dispatch to stop processing arp macros during a slide
           // - this only happens if pitch linearity is set to None
           // - if we don't let dispatch know, the slide will never occur as arp takes over
-          if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
+          if (!song.compatFlags.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
         } else {
           // COMPAT FLAG: limit slide range
           // - this confines pitch slides from dispatch->getPortaFloor to C-8 (I think)
           // - yep, the lowest portamento note depends on the system...
-          chan[i].portaNote=song.limitSlides?0x60:255;
+          chan[i].portaNote=song.compatFlags.limitSlides?0x60:255;
           chan[i].portaSpeed=effectVal;
           dispatchCmd(DivCommand(DIV_CMD_HINT_PORTA,i,CLAMP(chan[i].portaNote,-128,127),MAX(chan[i].portaSpeed,0)));
           // most of these are used for compat flag handling
@@ -1013,7 +1013,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // - this prompts dispatch to stop processing arp macros during a slide
           // - this only happens if pitch linearity is set to None
           // - if we don't let dispatch know, the slide will never occur as arp takes over
-          if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
+          if (!song.compatFlags.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
         }
         break;
       case 0x02: // pitch slide down
@@ -1022,7 +1022,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         // - 01xx still works
         // - a previous portamento (03xx) will prevent this slide from occurring
         // - E1xy/E2xy also will if *another* flag is set
-        if (song.ignoreDuplicateSlides && (lastSlide==0x02 || lastSlide==0x1337)) break;
+        if (song.compatFlags.ignoreDuplicateSlides && (lastSlide==0x02 || lastSlide==0x1337)) break;
         lastSlide=0x02;
         if (effectVal==0) {
           chan[i].portaNote=-1;
@@ -1030,12 +1030,12 @@ void DivEngine::processRow(int i, bool afterDelay) {
           dispatchCmd(DivCommand(DIV_CMD_HINT_PORTA,i,CLAMP(chan[i].portaNote,-128,127),MAX(chan[i].portaSpeed,0)));
           chan[i].inPorta=false;
           // COMPAT FLAG: arpeggio inhibits non-porta slides
-          if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
+          if (!song.compatFlags.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
         } else {
           // COMPAT FLAG: limit slide range
           // - this confines pitch slides from dispatch->getPortaFloor to C-8 (I think)
           // - yep, the lowest portamento note depends on the system...
-          chan[i].portaNote=(song.limitSlides && song.dispatchChanOfChan[i]>=0)?disCont[song.dispatchOfChan[i]].dispatch->getPortaFloor(song.dispatchChanOfChan[i]):-60;
+          chan[i].portaNote=(song.compatFlags.limitSlides && song.dispatchChanOfChan[i]>=0)?disCont[song.dispatchOfChan[i]].dispatch->getPortaFloor(song.dispatchChanOfChan[i]):-60;
           chan[i].portaSpeed=effectVal;
           dispatchCmd(DivCommand(DIV_CMD_HINT_PORTA,i,CLAMP(chan[i].portaNote,-128,127),MAX(chan[i].portaSpeed,0)));
           chan[i].portaStop=true;
@@ -1044,7 +1044,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
           chan[i].wasShorthandPorta=false;
           chan[i].inPorta=false;
           // COMPAT FLAG: arpeggio inhibits non-porta slides
-          if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
+          if (!song.compatFlags.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
         }
         break;
       case 0x03: // portamento
@@ -1064,7 +1064,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // COMPAT FLAG: buggy portamento after sliding
           // - you might want to slide up or down and then 03xx to return to the original note
           // - if a porta to the same note is attempted after slide, for some reason it does not occur
-          if (chan[i].note==chan[i].oldNote && !chan[i].inPorta && song.buggyPortaAfterSlide) {
+          if (chan[i].note==chan[i].oldNote && !chan[i].inPorta && song.compatFlags.buggyPortaAfterSlide) {
             chan[i].portaNote=chan[i].note;
             chan[i].portaSpeed=-1;
           } else {
@@ -1084,7 +1084,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // COMPAT FLAG: stop portamento on note off
           // - if a portamento is called and then a note off occurs, stop portamento before the next note
           // - ...unless noteOffResetsSlides is disabled
-          chan[i].stopOnOff=song.stopPortaOnNoteOff; // what?!
+          chan[i].stopOnOff=song.compatFlags.stopPortaOnNoteOff; // what?!
           chan[i].scheduledSlideReset=false;
           dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,1));
           // this is used to inhibit any other slide commands if the respective compat flag is enabled
@@ -1144,7 +1144,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
           calledPorta=true;
           // COMPAT FLAG: buggy portamento after sliding
           // yes, this also affects 06xy.
-          if (chan[i].note==chan[i].oldNote && !chan[i].inPorta && song.buggyPortaAfterSlide) {
+          if (chan[i].note==chan[i].oldNote && !chan[i].inPorta && song.compatFlags.buggyPortaAfterSlide) {
             chan[i].portaNote=chan[i].note;
             chan[i].portaSpeed=-1;
           } else {
@@ -1157,7 +1157,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // this is the same as 03xx.
           chan[i].portaStop=true;
           if (chan[i].keyOn) chan[i].doNote=false;
-          chan[i].stopOnOff=song.stopPortaOnNoteOff; // what?!
+          chan[i].stopOnOff=song.compatFlags.stopPortaOnNoteOff; // what?!
           chan[i].scheduledSlideReset=false;
           dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,1));
           lastSlide=0x1337; // i hate this so much
@@ -1224,7 +1224,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         chan[i].arp=effectVal;
         // COMPAT FLAG: reset note to base on arp stop (inverted in the GUI)
         // - a 0000 effect resets arpeggio position
-        if (chan[i].arp==0 && song.arp0Reset) {
+        if (chan[i].arp==0 && song.compatFlags.arp0Reset) {
           chan[i].resetArp=true;
         }
         dispatchCmd(DivCommand(DIV_CMD_HINT_ARPEGGIO,i,chan[i].arp));
@@ -1246,7 +1246,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         // COMPAT FLAG: old sample offset effect
         // - before 0.6.3 the sample offset effect was 9xxx, where `xxx` is multiplied by 256
         // - the effect was then changed to 90xx/91xx/92xx, allowing you to set the low, mid and high bytes of the offset respectively
-        if (song.oldSampleOffset) {
+        if (song.compatFlags.oldSampleOffset) {
           // send sample position now
           dispatchCmd(DivCommand(DIV_CMD_SAMPLE_POS,i,(((effect&0x0f)<<8)|effectVal)*256));
         } else {
@@ -1279,7 +1279,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         //   - ignore cut if equal or greater than speed
         // - 2: lax (default)
         //   - no cut is ever ignored unless overridden by another
-        if (effectVal>0 && (song.delayBehavior==2 || effectVal<nextSpeed)) {
+        if (effectVal>0 && (song.compatFlags.delayBehavior==2 || effectVal<nextSpeed)) {
           // the cut timer is ticked after nextRow(), so we set it one tick higher.
           chan[i].volCut=effectVal+1;
           chan[i].cutType=0;
@@ -1320,7 +1320,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         // these are for compatibility stuff
         chan[i].portaStop=true;
         // COMPAT FLAG: stop portamento on note off
-        chan[i].stopOnOff=song.stopPortaOnNoteOff; // what?!
+        chan[i].stopOnOff=song.compatFlags.stopPortaOnNoteOff; // what?!
         chan[i].scheduledSlideReset=false;
         // only enter portamento if the speed is set
         if ((effectVal&15)!=0) {
@@ -1331,14 +1331,14 @@ void DivEngine::processRow(int i, bool afterDelay) {
           // COMPAT FLAG: broken shortcut slides
           // - oddly enough, shortcut slides are not communicated to the dispatch
           // - this was fixed in 0.5.7
-          if (!song.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
+          if (!song.compatFlags.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
           // COMPAT FLAG: E1xy/E2xy also take priority over slides
           // - another Defle hack. it places shortcut slides above pitch slides.
-          if (song.e1e2AlsoTakePriority) lastSlide=0x1337; // ...
+          if (song.compatFlags.e1e2AlsoTakePriority) lastSlide=0x1337; // ...
         } else {
           chan[i].inPorta=false;
           // COMPAT FLAG: broken shortcut slides
-          if (!song.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
+          if (!song.compatFlags.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
         }
         break;
       case 0xe2: // portamento down
@@ -1348,7 +1348,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         dispatchCmd(DivCommand(DIV_CMD_HINT_PORTA,i,CLAMP(chan[i].portaNote,-128,127),MAX(chan[i].portaSpeed,0)));
         chan[i].portaStop=true;
         // COMPAT FLAG: stop portamento on note off
-        chan[i].stopOnOff=song.stopPortaOnNoteOff; // what?!
+        chan[i].stopOnOff=song.compatFlags.stopPortaOnNoteOff; // what?!
         chan[i].scheduledSlideReset=false;
         if ((effectVal&15)!=0) {
           chan[i].inPorta=true;
@@ -1356,13 +1356,13 @@ void DivEngine::processRow(int i, bool afterDelay) {
           chan[i].shorthandPorta=true;
           chan[i].wasShorthandPorta=true;
           // COMPAT FLAG: broken shortcut slides
-          if (!song.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
+          if (!song.compatFlags.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
           // COMPAT FLAG: E1xy/E2xy also take priority over slides
-          if (song.e1e2AlsoTakePriority) lastSlide=0x1337; // ...
+          if (song.compatFlags.e1e2AlsoTakePriority) lastSlide=0x1337; // ...
         } else {
           chan[i].inPorta=false;
           // COMPAT FLAG: broken shortcut slides
-          if (!song.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
+          if (!song.compatFlags.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
         }
         break;
       case 0xe3: // vibrato shape
@@ -1404,7 +1404,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         // - 2: lax (default)
         //   - no cut is ever ignored unless overridden by another
         // "Bruh"
-        if (effectVal>0 && (song.delayBehavior==2 || effectVal<nextSpeed)) {
+        if (effectVal>0 && (song.compatFlags.delayBehavior==2 || effectVal<nextSpeed)) {
           // the cut timer is ticked after nextRow(), so we set it one tick higher.
           chan[i].cut=effectVal+1;
           chan[i].cutType=2;
@@ -1448,7 +1448,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         //   - ignore cut if equal or greater than speed
         // - 2: lax (default)
         //   - no cut is ever ignored unless overridden by another
-        if (effectVal>0 && (song.delayBehavior==2 || effectVal<nextSpeed)) {
+        if (effectVal>0 && (song.compatFlags.delayBehavior==2 || effectVal<nextSpeed)) {
           // the cut timer is ticked after nextRow(), so we set it one tick higher.
           chan[i].cut=effectVal+1;
           chan[i].cutType=0;
@@ -1539,7 +1539,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         //   - ignore cut if equal or greater than speed
         // - 2: lax (default)
         //   - no cut is ever ignored unless overridden by another
-        if (song.delayBehavior==2 || effectVal<nextSpeed) {
+        if (song.compatFlags.delayBehavior==2 || effectVal<nextSpeed) {
           // the cut timer is ticked after nextRow(), so we set it one tick higher.
           chan[i].cut=effectVal+1;
           chan[i].cutType=1;
@@ -1573,7 +1573,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
   // COMPAT FLAG: instrument changes triggee on portamento (inverted in the GUI)
   // - before 0.6pre1 it was not possible to change instrument during portamento
   // - now it is. this sends a "null" note to allow such change
-  if (insChanged && (chan[i].inPorta || calledPorta) && song.newInsTriggersInPorta) {
+  if (insChanged && (chan[i].inPorta || calledPorta) && song.compatFlags.newInsTriggersInPorta) {
     dispatchCmd(DivCommand(DIV_CMD_NOTE_ON,i,DIV_NOTE_NULL));
   }
 
@@ -1581,7 +1581,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
   if (chan[i].doNote) {
     // COMPAT FLAG: continuous vibrato
     // - when enabled, the vibrato position is not reset on each note
-    if (!song.continuousVibrato) {
+    if (!song.compatFlags.continuousVibrato) {
       chan[i].vibratoPos=0;
     }
     // send pitch now (why? didn't we do that already?)
@@ -1590,7 +1590,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
     // COMPAT FLAG: broken portamento during legato
     // - portamento would not occur if legato is on
     // - this was fixed in 0.6pre4
-    if (chan[i].legato && (!chan[i].inPorta || song.brokenPortaLegato)) {
+    if (chan[i].legato && (!chan[i].inPorta || song.compatFlags.brokenPortaLegato)) {
       dispatchCmd(DivCommand(DIV_CMD_LEGATO,i,chan[i].note));
       dispatchCmd(DivCommand(DIV_CMD_HINT_LEGATO,i,chan[i].note));
     } else {
@@ -1599,13 +1599,13 @@ void DivEngine::processRow(int i, bool afterDelay) {
       if (chan[i].inPorta && chan[i].keyOn && !chan[i].shorthandPorta) {
         // COMPAT FLAG: E1xy/E2xy stop on same note
         // - if there was a shortcut slide, stop it
-        if (song.e1e2StopOnSameNote && chan[i].wasShorthandPorta) {
+        if (song.compatFlags.e1e2StopOnSameNote && chan[i].wasShorthandPorta) {
           chan[i].portaSpeed=-1;
           dispatchCmd(DivCommand(DIV_CMD_HINT_PORTA,i,CLAMP(chan[i].portaNote,-128,127),MAX(chan[i].portaSpeed,0)));
           // COMPAT FLAG: broken shortcut slides
           // - oddly enough, shortcut slides are not communicated to the dispatch
           // - this was fixed in 0.5.7
-          if (!song.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
+          if (!song.compatFlags.brokenShortcutSlides) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
           chan[i].wasShorthandPorta=false;
           chan[i].inPorta=false;
         } else {
@@ -1620,7 +1620,7 @@ void DivEngine::processRow(int i, bool afterDelay) {
         chan[i].releasing=false;
         // COMPAT FLAG: reset arp position on new note
         // - this does exactly what it says
-        if (song.resetArpPhaseOnNewNote) {
+        if (song.compatFlags.resetArpPhaseOnNewNote) {
            chan[i].arpStage=-1;
         }
         // these are used by VGM/ROM export to determine the duration of loop trail.
@@ -1677,10 +1677,10 @@ void DivEngine::processRow(int i, bool afterDelay) {
         case 0xf2: // single pitch slide down
           if (effect==0xf1) {
             // COMPAT FLAG: limit slide range
-            chan[i].portaNote=song.limitSlides?0x60:255;
+            chan[i].portaNote=song.compatFlags.limitSlides?0x60:255;
           } else {
             // COMPAT FLAG: limit slide range
-            chan[i].portaNote=(song.limitSlides && song.dispatchChanOfChan[i]>=0)?disCont[song.dispatchOfChan[i]].dispatch->getPortaFloor(song.dispatchChanOfChan[i]):-60;
+            chan[i].portaNote=(song.compatFlags.limitSlides && song.dispatchChanOfChan[i]>=0)?disCont[song.dispatchOfChan[i]].dispatch->getPortaFloor(song.dispatchChanOfChan[i]):-60;
           }
           chan[i].portaSpeed=effectVal;
           chan[i].portaStop=true;
@@ -1688,13 +1688,13 @@ void DivEngine::processRow(int i, bool afterDelay) {
           chan[i].scheduledSlideReset=false;
           chan[i].inPorta=false;
           // COMPAT FLAG: arpeggio inhibits non-porta slides
-          if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
-          dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.linearPitch?song.pitchSlideSpeed:1),chan[i].portaNote));
+          if (!song.compatFlags.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,true,0));
+          dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.compatFlags.linearPitch?song.compatFlags.pitchSlideSpeed:1),chan[i].portaNote));
           chan[i].portaNote=-1;
           chan[i].portaSpeed=-1;
           chan[i].inPorta=false;
           // COMPAT FLAG: arpeggio inhibits non-porta slides
-          if (!song.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
+          if (!song.compatFlags.arpNonPorta) dispatchCmd(DivCommand(DIV_CMD_PRE_PORTA,i,false,0));
           break;
       }
     }
@@ -1797,7 +1797,7 @@ void DivEngine::nextRow() {
   for (int i=0; i<song.chans; i++) {
     // COMPAT FLAG: cut/delay effect policy (delayBehavior)
     // - if not lax, reset the row delay timer so it never happens
-    if (song.delayBehavior!=2) {
+    if (song.compatFlags.delayBehavior!=2) {
       chan[i].rowDelay=0;
     }
     processRow(i,false);
@@ -1862,7 +1862,7 @@ void DivEngine::nextRow() {
   // - DefleMask uses a mandatory two-speed system
   // - if the pattern length is odd, the speed to use is determined correctly...
   // - ...unless the order count is also odd! in that case the first row of order 0 will always use speed 1, even if the song looped and we should be using speed 2
-  if (song.brokenSpeedSel) {
+  if (song.compatFlags.brokenSpeedSel) {
     unsigned char speed2=(speeds.len>=2)?speeds.val[1]:speeds.val[0];
     unsigned char speed1=speeds.val[0];
     
@@ -1913,7 +1913,7 @@ void DivEngine::nextRow() {
                 // COMPAT FLAG: pre-note does not take effect into consideration
                 // - a bug which does not cancel pre-note before a portamento or during legato
                 // - fixed in 0.6pre9
-                if (!song.preNoteNoEffect) {
+                if (!song.compatFlags.preNoteNoEffect) {
                   // handle portamento
                   if (pat->newData[curRow][DIV_PAT_FX(j)]==0x03 && pat->newData[curRow][DIV_PAT_FXVAL(j)]!=0 && pat->newData[curRow][DIV_PAT_FXVAL(j)]!=-1) {
                     doPreparePreNote=false;
@@ -1947,7 +1947,7 @@ void DivEngine::nextRow() {
 
           // COMPAT FLAG: auto-insert one tick gap between notes
           // - simulates behavior of certain Amiga/C64 sound drivers where a one-tick cut occurred before another note
-          if (song.oneTickCut) {
+          if (song.compatFlags.oneTickCut) {
             bool doPrepareCut=true;
             int addition=0;
 
@@ -2158,7 +2158,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
               // - 0: reset channels. call playSub() to seek back to the loop position
               // - 1: soft-reset channels. same as 0 for now
               // - 2: don't reset
-              if (song.loopModality!=2) {
+              if (song.compatFlags.loopModality!=2) {
                 playSub(true);
               }
             }
@@ -2205,7 +2205,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
         // volume slides and tremolo
         // COMPAT FLAG: don't slide on the first tick of a row
         // - Amiga/PC tracker behavior where slides and vibrato do not take course during the first tick of a row
-        if (!song.noSlidesOnFirstTick || !firstTick) {
+        if (!song.compatFlags.noSlidesOnFirstTick || !firstTick) {
           // volume slides
           if (chan[i].volSpeed!=0) {
             // the call to GET_VOLUME is part of a compatibility process
@@ -2255,7 +2255,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
               // COMPAT FLAG: legacy volume slides
               // - sets volume to max once a vol slide down has finished (thus setting volume to volMax+1)
               // - there is more to this, such as the first step of volume macro resulting in unpredictable behavior, but I don't feel like implementing THAT...
-              if (song.legacyVolumeSlides) {
+              if (song.compatFlags.legacyVolumeSlides) {
                 chan[i].volume=chan[i].volMax+1;
               } else {
                 chan[i].volume=0;
@@ -2418,7 +2418,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
         // portamento and pitch slides
         // COMPAT FLAG: don't slide on the first tick of a row
         // - Amiga/PC tracker behavior where slides and vibrato do not take course during the first tick of a row
-        if (!song.noSlidesOnFirstTick || !firstTick) {
+        if (!song.compatFlags.noSlidesOnFirstTick || !firstTick) {
           // portamento only runs if the channel has been used and the porta speed is higher than 0
           if ((chan[i].keyOn || chan[i].keyOff) && chan[i].portaSpeed>0) {
             // send a portamento update command to the dispatch.
@@ -2428,7 +2428,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
             // - 1: full (pitch slides linear... we multiply the portamento speed by a user-defined multiplier)
             // COMPAT FLAG: reset pitch slide/portamento upon reaching target (inverted in the GUI)
             // - when disabled, portamento remains active after it has finished
-            if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.linearPitch?song.pitchSlideSpeed:1),chan[i].portaNote))==2 && chan[i].portaStop && song.targetResetsSlides) {
+            if (dispatchCmd(DivCommand(DIV_CMD_NOTE_PORTA,i,chan[i].portaSpeed*(song.compatFlags.linearPitch?song.compatFlags.pitchSlideSpeed:1),chan[i].portaNote))==2 && chan[i].portaStop && song.compatFlags.targetResetsSlides) {
               // if we are here, it means we reached the target and shall stop
               chan[i].portaSpeed=0;
               dispatchCmd(DivCommand(DIV_CMD_HINT_PORTA,i,CLAMP(chan[i].portaNote,-128,127),MAX(chan[i].portaSpeed,0)));
@@ -2454,7 +2454,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
               // COMPAT FLAG: reset slides on note off (inverted in the GUI)
               // - a portamento/pitch slide will be halted upon encountering note off
               // - this will not occur if the stopPortaOnNoteOff flag is on and this is a portamento
-              if (chan[i].inPorta && song.noteOffResetsSlides) {
+              if (chan[i].inPorta && song.compatFlags.noteOffResetsSlides) {
                 chan[i].keyOff=true;
                 chan[i].keyOn=false;
                 // stopOnOff will be false if stopPortaOnNoteOff flag is off
@@ -2503,7 +2503,7 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
         }
         // COMPAT FLAG: reset arp position on row change
         // - simulates Amiga/PC tracker behavior where the next row resets arp pos
-        if (song.rowResetsArpPos && firstTick) {
+        if (song.compatFlags.rowResetsArpPos && firstTick) {
           chan[i].arpStage=-1;
         }
         // arpeggio (actually)

src/engine/song.cpp

@@ -22,6 +22,8 @@
 #include <inttypes.h>
 #include <chrono>
 
+static DivCompatFlags defaultFlags;
+
 TimeMicros DivSongTimestamps::getTimes(int order, int row) {
   if (order<0 || order>=DIV_MAX_PATTERNS) return TimeMicros(-1,0);
   if (row<0 || row>=DIV_MAX_ROWS) return TimeMicros(-1,0);
@@ -448,6 +450,66 @@ void DivSubSong::calcTimestamps(int chans, std::vector<DivGroovePattern>& groove
   logV("song length: %s; %" PRIu64 " ticks",ts.totalTime.toString(6,TA_TIME_FORMAT_AUTO),ts.totalTicks);
 }
 
+void DivSubSong::putData(SafeWriter* w, int chans) {
+  size_t blockStartSeek, blockEndSeek;
+  w->write("SNG2",4);
+  blockStartSeek=w->tell();
+  w->writeI(0);
+
+  w->writeF(hz);
+  w->writeC(arpLen);
+  w->writeC(timeBase);
+  w->writeS(patLen);
+  w->writeS(ordersLen);
+  w->writeC(hilightA);
+  w->writeC(hilightB);
+  w->writeS(virtualTempoN);
+  w->writeS(virtualTempoD);
+
+  // speeds
+  w->writeS(speeds.len);
+  for (int i=0; i<16; i++) {
+    w->writeS(speeds.val[i]);
+  }
+
+  w->writeString(name,false);
+  w->writeString(notes,false);
+
+  for (int i=0; i<chans; i++) {
+    for (int j=0; j<ordersLen; j++) {
+      w->writeC(orders.ord[i][j]);
+    }
+  }
+
+  for (int i=0; i<chans; i++) {
+    w->writeC(pat[i].effectCols);
+  }
+
+  for (int i=0; i<chans; i++) {
+    w->writeC(
+      (chanShow[i]?1:0)|
+      (chanShowChanOsc[i]?2:0)
+    );
+  }
+
+  for (int i=0; i<chans; i++) {
+    w->writeC(chanCollapse[i]);
+  }
+
+  for (int i=0; i<chans; i++) {
+    w->writeString(chanName[i],false);
+  }
+
+  for (int i=0; i<chans; i++) {
+    w->writeString(chanShortName[i],false);
+  }
+
+  blockEndSeek=w->tell();
+  w->seek(blockStartSeek,SEEK_SET);
+  w->writeI(blockEndSeek-blockStartSeek-4);
+  w->seek(0,SEEK_END);
+}
+
 void DivSubSong::clearData() {
   for (int i=0; i<DIV_MAX_CHANS; i++) {
     pat[i].wipePatterns();
@@ -584,7 +646,7 @@ void DivSong::findSubSongs() {
     // find possible subsongs
     logD("finding subsongs...");
     while (++curStart<i->ordersLen) {
-      i->calcTimestamps(chans,grooves,jumpTreatment,ignoreJumpAtEnd,brokenSpeedSel,delayBehavior,curStart);
+      i->calcTimestamps(chans,grooves,compatFlags.jumpTreatment,compatFlags.ignoreJumpAtEnd,compatFlags.brokenSpeedSel,compatFlags.delayBehavior,curStart);
       if (!i->ts.isLoopable) break;
       
       // make sure we don't pick the same range twice
@@ -809,3 +871,167 @@ void DivSong::unload() {
   }
   subsong.clear();
 }
+
+void DivGroovePattern::putData(SafeWriter* w) {
+  size_t blockStartSeek, blockEndSeek;
+  w->write("GROV",4);
+  blockStartSeek=w->tell();
+  w->writeI(0);
+
+  w->writeS(len);
+  for (int i=0; i<16; i++) {
+    w->writeS(val[i]);
+  }
+
+  blockEndSeek=w->tell();
+  w->seek(blockStartSeek,SEEK_SET);
+  w->writeI(blockEndSeek-blockStartSeek-4);
+  w->seek(0,SEEK_END);
+}
+
+void DivCompatFlags::setDefaults() {
+  limitSlides=false;
+  linearPitch=1;
+  pitchSlideSpeed=4;
+  loopModality=2;
+  delayBehavior=2;
+  jumpTreatment=0;
+  properNoiseLayout=true;
+  waveDutyIsVol=false;
+  resetMacroOnPorta=false;
+  legacyVolumeSlides=false;
+  compatibleArpeggio=false;
+  noteOffResetsSlides=true;
+  targetResetsSlides=true;
+  arpNonPorta=false;
+  algMacroBehavior=false;
+  brokenShortcutSlides=false;
+  ignoreDuplicateSlides=false;
+  stopPortaOnNoteOff=false;
+  continuousVibrato=false;
+  brokenDACMode=false;
+  oneTickCut=false;
+  newInsTriggersInPorta=true;
+  arp0Reset=true;
+  brokenSpeedSel=false;
+  noSlidesOnFirstTick=false;
+  rowResetsArpPos=false;
+  ignoreJumpAtEnd=false;
+  buggyPortaAfterSlide=false;
+  gbInsAffectsEnvelope=true;
+  sharedExtStat=true;
+  ignoreDACModeOutsideIntendedChannel=false;
+  e1e2AlsoTakePriority=false;
+  newSegaPCM=true;
+  fbPortaPause=false;
+  snDutyReset=false;
+  pitchMacroIsLinear=true;
+  oldOctaveBoundary=false;
+  noOPN2Vol=false;
+  newVolumeScaling=true;
+  volMacroLinger=true;
+  brokenOutVol=false;
+  brokenOutVol2=false;
+  e1e2StopOnSameNote=false;
+  brokenPortaArp=false;
+  snNoLowPeriods=false;
+  disableSampleMacro=false;
+  oldArpStrategy=false;
+  brokenPortaLegato=false;
+  brokenFMOff=false;
+  preNoteNoEffect=false;
+  oldDPCM=false;
+  resetArpPhaseOnNewNote=false;
+  ceilVolumeScaling=false;
+  oldAlwaysSetVolume=false;
+  oldSampleOffset=false;
+  oldCenterRate=true;
+}
+
+bool DivCompatFlags::areDefaults() {
+  return (*this==defaultFlags);
+}
+
+#define CHECK_AND_STORE_BOOL(_x) \
+  if (_x!=defaultFlags._x) { \
+    c.set(#_x,_x); \
+  }
+
+#define CHECK_AND_STORE_UNSIGNED_CHAR(_x) \
+  if (_x!=defaultFlags._x) { \
+    c.set(#_x,(int)_x); \
+  }
+
+void DivCompatFlags::putData(SafeWriter* w) {
+  DivConfig c;
+  size_t blockStartSeek, blockEndSeek;
+
+  CHECK_AND_STORE_BOOL(limitSlides);
+  CHECK_AND_STORE_UNSIGNED_CHAR(linearPitch);
+  CHECK_AND_STORE_UNSIGNED_CHAR(pitchSlideSpeed);
+  CHECK_AND_STORE_UNSIGNED_CHAR(loopModality);
+  CHECK_AND_STORE_UNSIGNED_CHAR(delayBehavior);
+  CHECK_AND_STORE_UNSIGNED_CHAR(jumpTreatment);
+  CHECK_AND_STORE_BOOL(properNoiseLayout);
+  CHECK_AND_STORE_BOOL(waveDutyIsVol);
+  CHECK_AND_STORE_BOOL(resetMacroOnPorta);
+  CHECK_AND_STORE_BOOL(legacyVolumeSlides);
+  CHECK_AND_STORE_BOOL(compatibleArpeggio);
+  CHECK_AND_STORE_BOOL(noteOffResetsSlides);
+  CHECK_AND_STORE_BOOL(targetResetsSlides);
+  CHECK_AND_STORE_BOOL(arpNonPorta);
+  CHECK_AND_STORE_BOOL(algMacroBehavior);
+  CHECK_AND_STORE_BOOL(brokenShortcutSlides);
+  CHECK_AND_STORE_BOOL(ignoreDuplicateSlides);
+  CHECK_AND_STORE_BOOL(stopPortaOnNoteOff);
+  CHECK_AND_STORE_BOOL(continuousVibrato);
+  CHECK_AND_STORE_BOOL(brokenDACMode);
+  CHECK_AND_STORE_BOOL(oneTickCut);
+  CHECK_AND_STORE_BOOL(newInsTriggersInPorta);
+  CHECK_AND_STORE_BOOL(arp0Reset);
+  CHECK_AND_STORE_BOOL(brokenSpeedSel);
+  CHECK_AND_STORE_BOOL(noSlidesOnFirstTick);
+  CHECK_AND_STORE_BOOL(rowResetsArpPos);
+  CHECK_AND_STORE_BOOL(ignoreJumpAtEnd);
+  CHECK_AND_STORE_BOOL(buggyPortaAfterSlide);
+  CHECK_AND_STORE_BOOL(gbInsAffectsEnvelope);
+  CHECK_AND_STORE_BOOL(sharedExtStat);
+  CHECK_AND_STORE_BOOL(ignoreDACModeOutsideIntendedChannel);
+  CHECK_AND_STORE_BOOL(e1e2AlsoTakePriority);
+  CHECK_AND_STORE_BOOL(newSegaPCM);
+  CHECK_AND_STORE_BOOL(fbPortaPause);
+  CHECK_AND_STORE_BOOL(snDutyReset);
+  CHECK_AND_STORE_BOOL(pitchMacroIsLinear);
+  CHECK_AND_STORE_BOOL(oldOctaveBoundary);
+  CHECK_AND_STORE_BOOL(noOPN2Vol);
+  CHECK_AND_STORE_BOOL(newVolumeScaling);
+  CHECK_AND_STORE_BOOL(volMacroLinger);
+  CHECK_AND_STORE_BOOL(brokenOutVol);
+  CHECK_AND_STORE_BOOL(brokenOutVol2);
+  CHECK_AND_STORE_BOOL(e1e2StopOnSameNote);
+  CHECK_AND_STORE_BOOL(brokenPortaArp);
+  CHECK_AND_STORE_BOOL(snNoLowPeriods);
+  CHECK_AND_STORE_BOOL(disableSampleMacro);
+  CHECK_AND_STORE_BOOL(oldArpStrategy);
+  CHECK_AND_STORE_BOOL(brokenPortaLegato);
+  CHECK_AND_STORE_BOOL(brokenFMOff);
+  CHECK_AND_STORE_BOOL(preNoteNoEffect);
+  CHECK_AND_STORE_BOOL(oldDPCM);
+  CHECK_AND_STORE_BOOL(resetArpPhaseOnNewNote);
+  CHECK_AND_STORE_BOOL(ceilVolumeScaling);
+  CHECK_AND_STORE_BOOL(oldAlwaysSetVolume);
+  CHECK_AND_STORE_BOOL(oldSampleOffset);
+  CHECK_AND_STORE_BOOL(oldCenterRate);
+
+  String data=c.toString();
+  w->write("CFLG",4);
+  blockStartSeek=w->tell();
+  w->writeI(0);
+
+  w->writeString(data,false);
+
+  blockEndSeek=w->tell();
+  w->seek(blockStartSeek,SEEK_SET);
+  w->writeI(blockEndSeek-blockStartSeek-4);
+  w->seek(0,SEEK_END);
+}

src/engine/song.h

@@ -163,6 +163,7 @@ enum DivEffectType: unsigned short {
 struct DivGroovePattern {
   unsigned char val[16];
   unsigned char len;
+  void putData(SafeWriter* w);
   DivGroovePattern():
     len(1) {
       memset(val,6,16);
@@ -229,6 +230,11 @@ struct DivSubSong {
    */
   void calcTimestamps(int chans, std::vector<DivGroovePattern>& grooves, int jumpTreatment, int ignoreJumpAtEnd, int brokenSpeedSel, int delayBehavior, int firstPat=0);
 
+  /**
+   * write sub-song block to a SafeWriter.
+   */
+  void putData(SafeWriter* w, int chans);
+
   void clearData();
   void removeUnusedPatterns();
   void optimizePatterns();
@@ -269,42 +275,7 @@ struct DivEffectStorage {
     storageLen(0) {}
 };
 
-struct DivSong {
-  unsigned short version;
-  bool isDMF;
-
-  // system
-  int chans;
-  DivSystem system[DIV_MAX_CHIPS];
-  unsigned short systemChans[DIV_MAX_CHIPS];
-  unsigned char systemLen;
-  float systemVol[DIV_MAX_CHIPS];
-  float systemPan[DIV_MAX_CHIPS];
-  float systemPanFR[DIV_MAX_CHIPS];
-  DivConfig systemFlags[DIV_MAX_CHIPS];
-
-  // song information
-  String name, author, systemName;
-
-  // legacy song information
-  // those will be stored in .fur and mapped to VGM as:
-  // category -> game name
-  // writer -> ripper
-  // createdDate -> year
-  String carrier, composer, vendor, category, writer, arranger, copyright, manGroup, manInfo, createdDate, revisionDate;
-
-  // more VGM specific stuff
-  String nameJ, authorJ, categoryJ, systemNameJ;
-
-  // other things
-  String notes;
-
-  // module details
-  int insLen, waveLen, sampleLen;
-  float masterVol;
-  float tuning;
-
-  // compatibility flags
+struct DivCompatFlags {
   bool limitSlides;
   // linear pitch
   unsigned char linearPitch;
@@ -364,9 +335,7 @@ struct DivSong {
   bool brokenPortaArp;
   bool snNoLowPeriods;
   bool disableSampleMacro;
-  bool autoSystem;
   bool oldArpStrategy;
-  bool patchbayAuto;
   bool brokenPortaLegato;
   bool brokenFMOff;
   bool preNoteNoEffect;
@@ -375,9 +344,67 @@ struct DivSong {
   bool ceilVolumeScaling;
   bool oldAlwaysSetVolume;
   bool oldSampleOffset;
-  // TODO: this flag is not saved to the file yet.
+  // new flags as of dev240
   bool oldCenterRate;
 
+  void setDefaults();
+  bool areDefaults();
+  void putData(SafeWriter* w);
+
+  bool operator==(const DivCompatFlags& other) {
+    return (memcmp(this,&other,sizeof(DivCompatFlags))==0);
+  }
+  bool operator!=(const DivCompatFlags& other) {
+    return (memcmp(this,&other,sizeof(DivCompatFlags))!=0);
+  }
+
+  DivCompatFlags() {
+    memset(this,0,sizeof(DivCompatFlags));
+    setDefaults();
+  }
+};
+
+struct DivSong {
+  unsigned short version;
+  bool isDMF;
+
+  // system
+  int chans;
+  DivSystem system[DIV_MAX_CHIPS];
+  unsigned short systemChans[DIV_MAX_CHIPS];
+  unsigned char systemLen;
+  float systemVol[DIV_MAX_CHIPS];
+  float systemPan[DIV_MAX_CHIPS];
+  float systemPanFR[DIV_MAX_CHIPS];
+  DivConfig systemFlags[DIV_MAX_CHIPS];
+
+  // song information
+  String name, author, systemName;
+
+  // legacy song information
+  // those will be stored in .fur and mapped to VGM as:
+  // category -> game name
+  // writer -> ripper
+  // createdDate -> year
+  String carrier, composer, vendor, category, writer, arranger, copyright, manGroup, manInfo, createdDate, revisionDate;
+
+  // more VGM specific stuff
+  String nameJ, authorJ, categoryJ, systemNameJ;
+
+  // other things
+  String notes;
+
+  // module details
+  int insLen, waveLen, sampleLen;
+  float masterVol;
+  float tuning;
+
+  bool autoSystem;
+  bool patchbayAuto;
+
+  // compatibility flags
+  DivCompatFlags compatFlags;
+
   std::vector<DivInstrument*> ins;
   std::vector<DivWavetable*> wave;
   std::vector<DivSample*> sample;
@@ -481,64 +508,8 @@ struct DivSong {
     sampleLen(0),
     masterVol(1.0f),
     tuning(440.0f),
-    limitSlides(false),
-    linearPitch(1),
-    pitchSlideSpeed(4),
-    loopModality(2),
-    delayBehavior(2),
-    jumpTreatment(0),
-    properNoiseLayout(true),
-    waveDutyIsVol(false),
-    resetMacroOnPorta(false),
-    legacyVolumeSlides(false),
-    compatibleArpeggio(false),
-    noteOffResetsSlides(true),
-    targetResetsSlides(true),
-    arpNonPorta(false),
-    algMacroBehavior(false),
-    brokenShortcutSlides(false),
-    ignoreDuplicateSlides(false),
-    stopPortaOnNoteOff(false),
-    continuousVibrato(false),
-    brokenDACMode(false),
-    oneTickCut(false),
-    newInsTriggersInPorta(true),
-    arp0Reset(true),
-    brokenSpeedSel(false),
-    noSlidesOnFirstTick(false),
-    rowResetsArpPos(false),
-    ignoreJumpAtEnd(false),
-    buggyPortaAfterSlide(false),
-    gbInsAffectsEnvelope(true),
-    sharedExtStat(true),
-    ignoreDACModeOutsideIntendedChannel(false),
-    e1e2AlsoTakePriority(false),
-    newSegaPCM(true),
-    fbPortaPause(false),
-    snDutyReset(false),
-    pitchMacroIsLinear(true),
-    oldOctaveBoundary(false),
-    noOPN2Vol(false),
-    newVolumeScaling(true),
-    volMacroLinger(true),
-    brokenOutVol(false),
-    brokenOutVol2(false),
-    e1e2StopOnSameNote(false),
-    brokenPortaArp(false),
-    snNoLowPeriods(false),
-    disableSampleMacro(false),
     autoSystem(true),
-    oldArpStrategy(false),
-    patchbayAuto(true),
-    brokenPortaLegato(false),
-    brokenFMOff(false),
-    preNoteNoEffect(false),
-    oldDPCM(false),
-    resetArpPhaseOnNewNote(false),
-    ceilVolumeScaling(false),
-    oldAlwaysSetVolume(false),
-    oldSampleOffset(false),
-    oldCenterRate(true) {
+    patchbayAuto(true) {
     memset(dispatchFirstChan,0,DIV_MAX_CHANS*sizeof(int));
     memset(dispatchChanOfChan,0,DIV_MAX_CHANS*sizeof(int));
     memset(dispatchOfChan,0,DIV_MAX_CHANS*sizeof(int));

src/engine/vgmOps.cpp

@@ -2736,7 +2736,7 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
           countDown--;
           break;
       }
-      if (song.loopModality!=2) countDown=0;
+      if (song.compatFlags.loopModality!=2) countDown=0;
 
       if (countDown>0 && !beenOneLoopAlready) {
         loopTickSong++;