diff --git a/TODO.md b/TODO.md
index 7df17b348..1dd87e8d8 100644
--- a/TODO.md
+++ b/TODO.md
@@ -6,8 +6,6 @@
 
 # to-do for 0.6pre1
 
-- panning macro
-  - QSound?
 - piano/input pad
   - note input via piano
   - input pad
@@ -47,3 +45,4 @@
 - Apply button in settings
 - better FM chip names (number and codename)
 - find and replace
+- precise panning effects (80xx linear, 81xx/82xx per-channel)
diff --git a/papers/doc/7-systems/nes.md b/papers/doc/7-systems/nes.md
index 3de0e3076..45ce95bc3 100644
--- a/papers/doc/7-systems/nes.md
+++ b/papers/doc/7-systems/nes.md
@@ -2,10 +2,13 @@
 
 the console from Nintendo that plays Super Mario Bros. and helped revive the agonizing video game market in the US during mid-80s.
 
-also known as Famicom. It is a five-channel PSG: first two channels play pulse wave with three different duty cycles, third is a fixed-volume triangle channel, fourth is a noise channel (can work in both pseudo-random and periodic modes) and  fifth is a (D)PCM sample channel
+also known as Famicom. It is a five-channel PSG: first two channels play pulse wave with three different duty cycles, third is a fixed-volume triangle channel, fourth is a noise channel (can work in both pseudo-random and periodic modes) and fifth is a (D)PCM sample channel.
 
 # effects
 
+- `11xx`: write to delta modulation counter.
+  - this may be used to attenuate the triangle and noise channels.
+  - will not work if a sample is playing.
 - `12xx`: set duty cycle or noise mode of channel.
   - may be 0-3 for the pulse channels and 0-1 for the noise channel.
 - `13xy`: setup sweep up.
@@ -15,4 +18,4 @@ also known as Famicom. It is a five-channel PSG: first two channels play pulse w
 - `14xy`: setup sweep down.
   - `x` is the time.
   - `y` is the shift.
-  - set to 0 to disable it.
+  - set to 0 to disable it.
\ No newline at end of file
diff --git a/papers/doc/7-systems/qsound.md b/papers/doc/7-systems/qsound.md
index 9da79d822..5d6078aa7 100644
--- a/papers/doc/7-systems/qsound.md
+++ b/papers/doc/7-systems/qsound.md
@@ -12,7 +12,8 @@ There are also 3 ADPCM channels, however they cannot be used in Furnace yet. The
 
 # effects
 
-- `08xx`: Set panning. Valid range is 00-20. 00 for full left, 10 for center and 20 for full right. It is also possible to bypass the QSound algorithm by using the range 30-50.
-- `10xx`: Set echo feedback level. This effect will apply to all channels.
-- `11xx`: Set echo level.
-- `3xxx`: Set the length of the echo delay buffer.
+- `10xx`: set echo feedback level.
+  - this effect will apply to all channels.
+- `11xx`: set echo level.
+- `12xx`: toggle QSound algorithm (on by default).
+- `3xxx`: set the length of the echo delay buffer.
diff --git a/papers/format.md b/papers/format.md
index feafbe603..570529c4e 100644
--- a/papers/format.md
+++ b/papers/format.md
@@ -213,6 +213,8 @@ size | description
      |   - 0xb3: Yamaha Y8950 drums - 12 channels
      |   - 0xb4: Konami SCC+ - 5 channels
      |   - 0xb5: tildearrow Sound Unit - 8 channels
+     |   - 0xb6: OPN extended - 9 channels
+     |   - 0xb7: PC-98 extended - 19 channels
      |   - 0xde: YM2610B extended - 19 channels
      |   - 0xe0: QSound - 19 channels
      |   - 0xfd: Dummy System - 8 channels
diff --git a/src/engine/dispatch.h b/src/engine/dispatch.h
index 3a66784d4..198777a85 100644
--- a/src/engine/dispatch.h
+++ b/src/engine/dispatch.h
@@ -86,6 +86,7 @@ enum DivDispatchCmds {
   DIV_CMD_PCE_LFO_SPEED, // (speed)
 
   DIV_CMD_NES_SWEEP, // (direction, value)
+  DIV_CMD_NES_DMC, // (value)
 
   DIV_CMD_C64_CUTOFF, // (value)
   DIV_CMD_C64_RESONANCE, // (value)
@@ -125,6 +126,7 @@ enum DivDispatchCmds {
   DIV_CMD_QSOUND_ECHO_FEEDBACK,
   DIV_CMD_QSOUND_ECHO_DELAY,
   DIV_CMD_QSOUND_ECHO_LEVEL,
+  DIV_CMD_QSOUND_SURROUND,
 
   DIV_CMD_X1_010_ENVELOPE_SHAPE,
   DIV_CMD_X1_010_ENVELOPE_ENABLE,
diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 751870434..cd4dfa466 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -695,6 +695,20 @@ void DivEngine::swapChannels(int src, int dest) {
   song.pat[src].effectCols^=song.pat[dest].effectCols;
   song.pat[dest].effectCols^=song.pat[src].effectCols;
   song.pat[src].effectCols^=song.pat[dest].effectCols;
+
+  String prevChanName=song.chanName[src];
+  String prevChanShortName=song.chanShortName[src];
+  bool prevChanShow=song.chanShow[src];
+  bool prevChanCollapse=song.chanCollapse[src];
+
+  song.chanName[src]=song.chanName[dest];
+  song.chanShortName[src]=song.chanShortName[dest];
+  song.chanShow[src]=song.chanShow[dest];
+  song.chanCollapse[src]=song.chanCollapse[dest];
+  song.chanName[dest]=prevChanName;
+  song.chanShortName[dest]=prevChanShortName;
+  song.chanShow[dest]=prevChanShow;
+  song.chanCollapse[dest]=prevChanCollapse;
 }
 
 void DivEngine::stompChannel(int ch) {
@@ -704,6 +718,10 @@ void DivEngine::stompChannel(int ch) {
   }
   song.pat[ch].wipePatterns();
   song.pat[ch].effectCols=1;
+  song.chanName[ch]="";
+  song.chanShortName[ch]="";
+  song.chanShow[ch]=true;
+  song.chanCollapse[ch]=false;
 }
 
 void DivEngine::swapChannelsP(int src, int dest) {
@@ -1054,6 +1072,28 @@ int DivEngine::calcFreq(int base, int pitch, bool period, int octave, int pitch2
            base+((pitch*octave)>>1)+pitch2;
 }
 
+int DivEngine::convertPanSplitToLinear(unsigned int val, unsigned char bits, int range) {
+  int panL=val>>bits;
+  int panR=val&((1<<bits)-1);
+  int diff=panR-panL;
+  float pan=0.5f;
+  if (diff!=0) {
+    pan=(1.0f+((float)diff/(float)MAX(panL,panR)))*0.5f;
+  }
+  return pan*range;
+}
+
+unsigned int DivEngine::convertPanLinearToSplit(int val, unsigned char bits, int range) {
+  if (val<0) val=0;
+  if (val>range) val=range;
+  int maxV=(1<<bits)-1;
+  int panL=(((range-val)*maxV*2))/range;
+  int panR=((val)*maxV*2)/range;
+  if (panL>maxV) panL=maxV;
+  if (panR>maxV) panR=maxV;
+  return (panL<<bits)|panR;
+}
+
 void DivEngine::play() {
   BUSY_BEGIN_SOFT;
   sPreview.sample=-1;
@@ -1497,6 +1537,9 @@ int DivEngine::addInstrument(int refChan) {
     default:
       break;
   }
+  if (sysOfChan[refChan]==DIV_SYSTEM_QSOUND) {
+    *ins=song.nullInsQSound;
+  }
   ins->name=fmt::sprintf("Instrument %d",insCount);
   ins->type=prefType;
   saveLock.lock();
@@ -2184,6 +2227,7 @@ void DivEngine::noteOff(int chan) {
 void DivEngine::autoNoteOn(int ch, int ins, int note, int vol) {
   bool isViable[DIV_MAX_CHANS];
   bool canPlayAnyway=false;
+  bool notInViableChannel=false;
   if (midiBaseChan<0) midiBaseChan=0;
   if (midiBaseChan>=chans) midiBaseChan=chans-1;
   int finalChan=midiBaseChan;
@@ -2197,6 +2241,7 @@ void DivEngine::autoNoteOn(int ch, int ins, int note, int vol) {
 
   // 1. check which channels are viable for this instrument
   DivInstrument* insInst=getIns(ins);
+  if (getPreferInsType(finalChan)!=insInst->type && getPreferInsSecondType(finalChan)!=insInst->type) notInViableChannel=true;
   for (int i=0; i<chans; i++) {
     if (ins==-1 || ins>=song.insLen || getPreferInsType(i)==insInst->type || getPreferInsSecondType(i)==insInst->type) {
       if (insInst->type==DIV_INS_OPL) {
@@ -2219,7 +2264,7 @@ void DivEngine::autoNoteOn(int ch, int ins, int note, int vol) {
 
   // 2. find a free channel
   do {
-    if (isViable[finalChan] && chan[finalChan].midiNote==-1 && (insInst->type==DIV_INS_OPL || getChannelType(finalChan)==finalChanType)) {
+    if (isViable[finalChan] && chan[finalChan].midiNote==-1 && (insInst->type==DIV_INS_OPL || getChannelType(finalChan)==finalChanType || notInViableChannel)) {
       chan[finalChan].midiNote=note;
       chan[finalChan].midiAge=midiAgeCounter++;
       pendingNotes.push(DivNoteEvent(finalChan,ins,note,vol,true));
@@ -2233,7 +2278,7 @@ void DivEngine::autoNoteOn(int ch, int ins, int note, int vol) {
   // 3. find the oldest channel
   int candidate=finalChan;
   do {
-    if (isViable[finalChan] && (insInst->type==DIV_INS_OPL || getChannelType(finalChan)==finalChanType) && chan[finalChan].midiAge<chan[candidate].midiAge) {
+    if (isViable[finalChan] && (insInst->type==DIV_INS_OPL || getChannelType(finalChan)==finalChanType || notInViableChannel) && chan[finalChan].midiAge<chan[candidate].midiAge) {
       candidate=finalChan;
     }
     if (++finalChan>=chans) {
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 0eca8dabf..6c8393c68 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -477,6 +477,10 @@ class DivEngine {
     // calculate frequency/period
     int calcFreq(int base, int pitch, bool period=false, int octave=0, int pitch2=0);
 
+    // convert panning formats
+    int convertPanSplitToLinear(unsigned int val, unsigned char bits, int range);
+    unsigned int convertPanLinearToSplit(int val, unsigned char bits, int range);
+
     // find song loop position
     void walkSong(int& loopOrder, int& loopRow, int& loopEnd);
 
diff --git a/src/engine/platform/es5506.h b/src/engine/platform/es5506.h
index 47a7e2935..f997ff74f 100644
--- a/src/engine/platform/es5506.h
+++ b/src/engine/platform/es5506.h
@@ -90,9 +90,9 @@ class DivPlatformES5506: public DivDispatch, public es550x_intf {
     } envChanged;
 
     signed int k1Offs, k2Offs;
-    int vol, lVol, rVol;
-    int outVol, outLVol, outRVol;
-    int resLVol, resRVol;
+    unsigned int vol, lVol, rVol;
+    unsigned int outVol, outLVol, outRVol;
+    unsigned int resLVol, resRVol;
     DivInstrumentES5506::Filter filter;
     DivInstrumentES5506::Envelope envelope;
     DivMacroInt std;
diff --git a/src/engine/platform/nes.cpp b/src/engine/platform/nes.cpp
index 7da1a0908..08c2f79fe 100644
--- a/src/engine/platform/nes.cpp
+++ b/src/engine/platform/nes.cpp
@@ -59,6 +59,9 @@ const char** DivPlatformNES::getRegisterSheet() {
 
 const char* DivPlatformNES::getEffectName(unsigned char effect) {
   switch (effect) {
+    case 0x11:
+      return "Write to delta modulation counter (0 to 7F)";
+      break;
     case 0x12:
       return "12xx: Set duty cycle/noise mode (pulse: 0 to 3; noise: 0 or 1)";
       break;
@@ -421,6 +424,9 @@ int DivPlatformNES::dispatch(DivCommand c) {
       }
       rWrite(0x4001+(c.chan*4),chan[c.chan].sweep);
       break;
+    case DIV_CMD_NES_DMC:
+      rWrite(0x4011,c.value&0x7f);
+      break;
     case DIV_CMD_SAMPLE_BANK:
       sampleBank=c.value;
       if (sampleBank>(parent->song.sample.size()/12)) {
diff --git a/src/engine/platform/qsound.cpp b/src/engine/platform/qsound.cpp
index a38bde376..5887dd9ca 100644
--- a/src/engine/platform/qsound.cpp
+++ b/src/engine/platform/qsound.cpp
@@ -257,6 +257,9 @@ const char* DivPlatformQSound::getEffectName(unsigned char effect) {
     case 0x11:
       return "11xx: Set channel echo level (00 to FF)";
       break;
+    case 0x12:
+      return "12xx: Toggle QSound algorithm (0: disabled; 1: enabled)";
+      break;
     default:
       if ((effect & 0xf0) == 0x30) {
         return "3xxx: Set echo delay buffer length (000 to AA5)";
@@ -335,6 +338,15 @@ void DivPlatformQSound::tick(bool sysTick) {
       }
       chan[i].freqChanged=true;
     }
+    if (chan[i].std.panL.had) { // panning
+      chan[i].panning=chan[i].std.panL.val+16;
+    }
+    if (chan[i].std.panR.had) { // surround
+      chan[i].surround=chan[i].std.panR.val;
+    }
+    if (chan[i].std.panL.had || chan[i].std.panR.had) {
+      immWrite(Q1_PAN+i,chan[i].panning+0x110+(chan[i].surround?0:0x30));
+    }
     if (chan[i].freqChanged || chan[i].keyOn || chan[i].keyOff) {
       //DivInstrument* ins=parent->getIns(chan[i].ins,DIV_INS_AMIGA);
       chan[i].freq=parent->calcFreq(chan[i].baseFreq,chan[i].pitch,false,2,chan[i].pitch2);
@@ -429,7 +441,8 @@ int DivPlatformQSound::dispatch(DivCommand c) {
       return chan[c.chan].outVol;
       break;
     case DIV_CMD_PANNING:
-      immWrite(Q1_PAN+c.chan, c.value + 0x110);
+      chan[c.chan].panning=parent->convertPanSplitToLinear(c.value,4,32);
+      immWrite(Q1_PAN+c.chan,chan[c.chan].panning+0x110+(chan[c.chan].surround?0:0x30));
       break;
     case DIV_CMD_QSOUND_ECHO_LEVEL:
       immWrite(Q1_ECHO+c.chan, c.value << 7);
@@ -440,6 +453,10 @@ int DivPlatformQSound::dispatch(DivCommand c) {
     case DIV_CMD_QSOUND_ECHO_DELAY:
       immWrite(Q1_ECHO_LENGTH, (c.value > 2725 ? 0xfff : 0xfff - (2725 - c.value)));
       break;
+    case DIV_CMD_QSOUND_SURROUND:
+      chan[c.chan].surround=c.value;
+      immWrite(Q1_PAN+c.chan,chan[c.chan].panning+0x110+(chan[c.chan].surround?0:0x30));
+      break;
     case DIV_CMD_PITCH:
       chan[c.chan].pitch=c.value;
       chan[c.chan].freqChanged=true;
diff --git a/src/engine/platform/qsound.h b/src/engine/platform/qsound.h
index 1eb9b2751..6eb178d08 100644
--- a/src/engine/platform/qsound.h
+++ b/src/engine/platform/qsound.h
@@ -33,7 +33,7 @@ class DivPlatformQSound: public DivDispatch {
     int sample, wave, ins;
     int note;
     int panning;
-    bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, useWave;
+    bool active, insChanged, freqChanged, keyOn, keyOff, inPorta, useWave, surround;
     int vol, outVol;
     DivMacroInt std;
     void macroInit(DivInstrument* which) {
@@ -57,6 +57,8 @@ class DivPlatformQSound: public DivDispatch {
       keyOn(false),
       keyOff(false),
       inPorta(false),
+      useWave(false),
+      surround(true),
       vol(255),
       outVol(255) {}
   };
diff --git a/src/engine/platform/su.cpp b/src/engine/platform/su.cpp
index 6efa0a482..4733e5b24 100644
--- a/src/engine/platform/su.cpp
+++ b/src/engine/platform/su.cpp
@@ -270,7 +270,7 @@ int DivPlatformSoundUnit::dispatch(DivCommand c) {
       break;
     }
     case DIV_CMD_PANNING: {
-      chan[c.chan].pan=c.value;
+      chan[c.chan].pan=parent->convertPanSplitToLinear(c.value,4,254)-127;
       chWrite(c.chan,0x03,chan[c.chan].pan);
       break;
     }
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index cb7e823e1..57d89be71 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -88,6 +88,7 @@ const char* cmdName[]={
   "PCE_LFO_SPEED",
 
   "NES_SWEEP",
+  "NES_DMC",
 
   "C64_CUTOFF",
   "C64_RESONANCE",
@@ -127,6 +128,7 @@ const char* cmdName[]={
   "QSOUND_ECHO_FEEDBACK",
   "QSOUND_ECHO_DELAY",
   "QSOUND_ECHO_LEVEL",
+  "QSOUND_SURROUND",
 
   "X1_010_ENVELOPE_SHAPE",
   "X1_010_ENVELOPE_ENABLE",
@@ -325,6 +327,9 @@ bool DivEngine::perSystemEffect(int ch, unsigned char effect, unsigned char effe
     case DIV_SYSTEM_NES:
     case DIV_SYSTEM_MMC5:
       switch (effect) {
+        case 0x11: // DMC write
+          dispatchCmd(DivCommand(DIV_CMD_NES_DMC,ch,effectVal));
+          break;
         case 0x12: // duty or noise mode
           dispatchCmd(DivCommand(DIV_CMD_STD_NOISE_MODE,ch,effectVal));
           break;
@@ -443,6 +448,9 @@ bool DivEngine::perSystemEffect(int ch, unsigned char effect, unsigned char effe
         case 0x11: // echo level
           dispatchCmd(DivCommand(DIV_CMD_QSOUND_ECHO_LEVEL,ch,effectVal));
           break;
+        case 0x12: // surround
+          dispatchCmd(DivCommand(DIV_CMD_QSOUND_SURROUND,ch,effectVal));
+          break;
         default:
           if ((effect&0xf0)==0x30) {
             dispatchCmd(DivCommand(DIV_CMD_QSOUND_ECHO_DELAY,ch,((effect & 0x0f) << 8) | effectVal));
diff --git a/src/engine/song.h b/src/engine/song.h
index 087d8c7b0..8e67cce83 100644
--- a/src/engine/song.h
+++ b/src/engine/song.h
@@ -347,7 +347,7 @@ struct DivSong {
   bool chanShow[DIV_MAX_CHANS];
   bool chanCollapse[DIV_MAX_CHANS];
 
-  DivInstrument nullIns, nullInsOPLL, nullInsOPL;
+  DivInstrument nullIns, nullInsOPLL, nullInsOPL, nullInsQSound;
   DivWavetable nullWave;
   DivSample nullSample;
 
@@ -473,6 +473,8 @@ struct DivSong {
     nullInsOPL.fm.op[1].rr=12;
     nullInsOPL.fm.op[1].mult=1;
     nullInsOPL.name="This is a bug! Report!";
+
+    nullInsQSound.std.panLMacro.mode=true;
   }
 };
 
diff --git a/src/gui/debug.cpp b/src/gui/debug.cpp
index 5915739cb..6394b40c3 100644
--- a/src/gui/debug.cpp
+++ b/src/gui/debug.cpp
@@ -337,7 +337,7 @@ void putDispatchChan(void* data, int chanNum, int type) {
     case DIV_SYSTEM_ES5506: {
       DivPlatformES5506::Channel* ch=(DivPlatformES5506::Channel*)data;
       ImGui::Text("> ES5506");
-      ImGui::Text("* freq: %.4x",ch->freq);
+      ImGui::Text("* freq: %.5x",ch->freq);
       ImGui::Text(" - base: %d",ch->baseFreq);
       ImGui::Text(" - pitch: %d",ch->pitch);
       ImGui::Text(" - pitch2: %d",ch->pitch2);
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 56e046f08..74a303542 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2903,6 +2903,10 @@ bool FurnaceGUI::loop() {
     if (fileDialog->render(ImVec2(600.0f*dpiScale,400.0f*dpiScale),ImVec2(scrW*dpiScale,scrH*dpiScale))) {
       bool openOpen=false;
       //ImGui::GetIO().ConfigFlags&=~ImGuiConfigFlags_NavEnableKeyboard;
+      if (curFileDialog==GUI_FILE_INS_OPEN && prevIns!=-3) {
+        curIns=prevIns;
+        prevIns=-3;
+      }
       switch (curFileDialog) {
         case GUI_FILE_OPEN:
         case GUI_FILE_SAVE:
@@ -2947,9 +2951,6 @@ bool FurnaceGUI::loop() {
           workingDirLayout=fileDialog->getPath()+DIR_SEPARATOR_STR;
           break;
       }
-      if (prevIns!=-3) {
-        curIns=prevIns;
-      }
       if (fileDialog->accepted()) {
         fileName=fileDialog->getFileName();
         if (fileName!="") {
@@ -3787,6 +3788,7 @@ FurnaceGUI::FurnaceGUI():
   preserveChanPos(false),
   vgmExportVersion(0x171),
   drawHalt(10),
+  macroPointSize(16),
   curFileDialog(GUI_FILE_OPEN),
   warnAction(GUI_WARN_OPEN),
   postWarnAction(GUI_WARN_GENERIC),
diff --git a/src/gui/gui.h b/src/gui/gui.h
index 14b735b22..31ab566f1 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -739,6 +739,7 @@ class FurnaceGUI {
   bool willExport[32];
   int vgmExportVersion;
   int drawHalt;
+  int macroPointSize;
 
   FurnaceGUIFileDialogs curFileDialog;
   FurnaceGUIWarnings warnAction;
diff --git a/src/gui/insEdit.cpp b/src/gui/insEdit.cpp
index 42d377288..cc1c6f49d 100644
--- a/src/gui/insEdit.cpp
+++ b/src/gui/insEdit.cpp
@@ -228,6 +228,11 @@ const char* macroRelativeMode[3]={
   "Relative",
   NULL
 };
+const char* macroQSoundMode[3]={
+  "Independent",
+  "QSound",
+  NULL
+};
 
 const char* macroDummyMode[1]={NULL};
 
@@ -1120,7 +1125,7 @@ void FurnaceGUI::drawGBEnv(unsigned char vol, unsigned char len, unsigned char s
     } \
     if (macroMode && displayModeName[0]!=NULL) { \
       for (unsigned int m=0; displayModeName[m]!=NULL; m++) { \
-        if (ImGui::RadioButton(displayModeName[m],macro.mode==m)) { \
+        if (ImGui::RadioButton(fmt::sprintf("%s##IMacroMode_%s",displayModeName[m],macro.name).c_str(),macro.mode==m)) { \
           macro.mode=m; \
         } \
       } \
@@ -1166,6 +1171,11 @@ void FurnaceGUI::drawGBEnv(unsigned char vol, unsigned char len, unsigned char s
     processDrags(ImGui::GetMousePos().x,ImGui::GetMousePos().y); \
   } \
   if (displayLoop) { \
+    if (ImGui::IsItemHovered() && ctrlWheeling) { \
+      macroPointSize+=wheelY; \
+      if (macroPointSize<1) macroPointSize=1; \
+      if (macroPointSize>256) macroPointSize=256; \
+    } \
     if (drawSlider) { \
       ImGui::SameLine(); \
       CWVSliderInt("##IMacroPos_" macroName,ImVec2(20.0f*dpiScale,displayHeight*dpiScale),sliderVal,sliderLow,sliderHigh); \
@@ -1215,7 +1225,7 @@ void FurnaceGUI::drawGBEnv(unsigned char vol, unsigned char len, unsigned char s
     } \
     if (macroMode && displayModeName[0]!=NULL) { \
       for (unsigned int m=0; displayModeName[m]!=NULL; m++) { \
-        if (ImGui::RadioButton(displayModeName[m],macro.mode==m)) { \
+        if (ImGui::RadioButton(fmt::sprintf("%s##IOPMacroMode_%d%s",displayModeName[m],op,macro.name).c_str(),macro.mode==m)) { \
           macro.mode=m; \
         } \
       } \
@@ -1301,7 +1311,7 @@ if (ImGui::BeginTable("MacroSpace",2)) { \
   ImGui::Dummy(ImVec2(120.0f*dpiScale,dpiScale)); \
   ImGui::TableNextColumn(); \
   float availableWidth=ImGui::GetContentRegionAvail().x-reservedSpace; \
-  int totalFit=MIN(127,availableWidth/(16*dpiScale)); \
+  int totalFit=MIN(127,availableWidth/MAX(1,macroPointSize*dpiScale)); \
   if (macroDragScroll>127-totalFit) { \
     macroDragScroll=127-totalFit; \
   } \
@@ -2934,8 +2944,10 @@ void FurnaceGUI::drawInsEdit() {
             ex2Max=65535;
           }
 
+          int panMin=0;
           int panMax=0;
           bool panSingle=false;
+          bool panSingleNoBit=false;
           if (ins->type==DIV_INS_FM || ins->type==DIV_INS_OPL || ins->type==DIV_INS_GB || ins->type==DIV_INS_OPZ || ins->type==DIV_INS_VERA) {
             panMax=1;
             panSingle=true;
@@ -2949,6 +2961,15 @@ void FurnaceGUI::drawInsEdit() {
           if (ins->type==DIV_INS_ES5506) {
             panMax=65535;
           }
+          if (ins->type==DIV_INS_AMIGA && ins->std.panLMacro.mode) {
+            panMin=-16;
+            panMax=16;
+          }
+          if (ins->type==DIV_INS_SU) {
+            panMin=-127;
+            panMax=127;
+            panSingleNoBit=true;
+          }
 
           if (settings.macroView==0) { // modern view
             MACRO_BEGIN(28*dpiScale);
@@ -2974,8 +2995,18 @@ void FurnaceGUI::drawInsEdit() {
               if (panSingle) {
                 NORMAL_MACRO(ins->std.panLMacro,0,2,"panL","Panning",32,ins->std.panLMacro.open,true,panBits,false,NULL,0,0,0,0,false,macroDummyMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[13],0,panMax,NULL,false);
               } else {
-                NORMAL_MACRO(ins->std.panLMacro,0,panMax,"panL","Panning (left)",MIN(160,(31+panMax)),ins->std.panLMacro.open,false,NULL,false,NULL,0,0,0,0,false,macroDummyMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[13],0,panMax,NULL,false);
-                NORMAL_MACRO(ins->std.panRMacro,0,panMax,"panR","Panning (right)",MIN(160,(31+panMax)),ins->std.panRMacro.open,false,NULL,false,NULL,0,0,0,0,false,macroDummyMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[14],0,panMax,NULL,false);
+                if (panSingleNoBit || (ins->type==DIV_INS_AMIGA && ins->std.panLMacro.mode)) {
+                  NORMAL_MACRO(ins->std.panLMacro,panMin,panMax,"panL","Panning",MIN(160,(31+panMax-panMin)),ins->std.panLMacro.open,false,NULL,false,NULL,0,0,0,0,(ins->type==DIV_INS_AMIGA),macroQSoundMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[13],panMin,panMax,NULL,false);
+                } else {
+                  NORMAL_MACRO(ins->std.panLMacro,panMin,panMax,"panL","Panning (left)",MIN(160,(31+panMax-panMin)),ins->std.panLMacro.open,false,NULL,false,NULL,0,0,0,0,(ins->type==DIV_INS_AMIGA),macroQSoundMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[13],panMin,panMax,NULL,false);
+                }
+                if (!panSingleNoBit) {
+                  if (ins->type==DIV_INS_AMIGA && ins->std.panLMacro.mode) {
+                    NORMAL_MACRO(ins->std.panRMacro,0,1,"panR","Surround",32,ins->std.panRMacro.open,true,NULL,false,NULL,0,0,0,0,false,macroDummyMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[14],0,1,NULL,false);
+                  } else {
+                    NORMAL_MACRO(ins->std.panRMacro,panMin,panMax,"panR","Panning (right)",MIN(160,(31+panMax-panMin)),ins->std.panRMacro.open,false,NULL,false,NULL,0,0,0,0,false,macroDummyMode,uiColors[GUI_COLOR_MACRO_OTHER],mmlString[14],panMin,panMax,NULL,false);
+                  }
+                }
               }
             }
             NORMAL_MACRO(ins->std.pitchMacro,pitchMacroScroll,pitchMacroScroll+160,"pitch","Pitch",160,ins->std.pitchMacro.open,false,NULL,true,&pitchMacroScroll,-2048,2047,0,0,true,macroRelativeMode,uiColors[GUI_COLOR_MACRO_PITCH],mmlString[15],-2048,2047,NULL,!ins->std.pitchMacro.mode);
diff --git a/src/gui/newSong.cpp b/src/gui/newSong.cpp
index d6188b3e5..2bf11fb5c 100644
--- a/src/gui/newSong.cpp
+++ b/src/gui/newSong.cpp
@@ -66,6 +66,22 @@ void FurnaceGUI::drawNewSong() {
     ImGui::EndTable();
   }
 
+  if (ImGui::Button("I'm feeling lucky")) {
+    if (sysCategories.size()==0) {
+      ImGui::CloseCurrentPopup();
+    } else {
+      FurnaceGUISysCategory* newSystemCat=&sysCategories[rand()%sysCategories.size()];
+      if (newSystemCat->systems.size()==0) {
+        ImGui::CloseCurrentPopup();
+      } else {
+        nextDesc=newSystemCat->systems[rand()%newSystemCat->systems.size()].definition.data();
+        accepted=true;
+      }
+    }
+  }
+
+  ImGui::SameLine();
+
   if (ImGui::Button("Cancel")) {
     ImGui::CloseCurrentPopup();
   }
@@ -87,4 +103,4 @@ void FurnaceGUI::drawNewSong() {
     updateWindowTitle();
     ImGui::CloseCurrentPopup();
   }
-}
\ No newline at end of file
+}
diff --git a/src/gui/sampleEdit.cpp b/src/gui/sampleEdit.cpp
index 42f9cb8f8..b206f680f 100644
--- a/src/gui/sampleEdit.cpp
+++ b/src/gui/sampleEdit.cpp
@@ -1333,6 +1333,17 @@ void FurnaceGUI::drawSampleEdit() {
         }
 
         if (ImGui::IsItemHovered()) {
+          if (ctrlWheeling) {
+            double zoomPercent=100.0/sampleZoom;
+            zoomPercent+=wheelY*10.0;
+            if (zoomPercent>10000.0) zoomPercent=10000.0;
+            if (zoomPercent<1.0) zoomPercent=1.0;
+            sampleZoom=100.0/zoomPercent;
+            if (sampleZoom<0.01) sampleZoom=0.01;
+            sampleZoomAuto=false;
+            updateSampleTex=true;
+          }
+
           int posX=-1;
           int posY=0;
           ImVec2 pos=ImGui::GetMousePos();