diff --git a/demos/misc/hittingtherevlimiter_RF5C68.fur b/demos/misc/hittingtherevlimiter_RF5C68.fur
index 87bcb7929..ff43170d3 100644
Binary files a/demos/misc/hittingtherevlimiter_RF5C68.fur and b/demos/misc/hittingtherevlimiter_RF5C68.fur differ
diff --git a/extern/imgui_software_renderer/imgui_sw.cpp b/extern/imgui_software_renderer/imgui_sw.cpp
index 040580503..2f702bbae 100644
--- a/extern/imgui_software_renderer/imgui_sw.cpp
+++ b/extern/imgui_software_renderer/imgui_sw.cpp
@@ -765,17 +765,21 @@ void ImGui_ImplSW_UpdateTexture(ImTextureData* tex) {
     // update region
     if (t->isAlpha) {
       unsigned char* data=(unsigned char*)t->pixels;
-      int i_y=t->width*tex->UpdateRect.y;
-      for (int i=tex->UpdateRect.y; i<tex->UpdateRect.y+tex->UpdateRect.w; i++) {
-        memcpy(&data[i_y],tex->GetPixelsAt(tex->UpdateRect.x,i),tex->UpdateRect.w);
-        i_y+=t->width;
+      for (ImTextureRect& h: tex->Updates) {
+        int i_y=t->width*h.y;
+        for (int i=h.y; i<h.y+h.h; i++) {
+          memcpy(&data[i_y+h.x],tex->GetPixelsAt(h.x,i),h.w);
+          i_y+=t->width;
+        }
       }
     } else {
       uint32_t* data=t->pixels;
-      int i_y=t->width*tex->UpdateRect.y;
-      for (int i=tex->UpdateRect.y; i<tex->UpdateRect.y+tex->UpdateRect.w; i++) {
-        memcpy(&data[i_y],tex->GetPixelsAt(tex->UpdateRect.x,i),tex->UpdateRect.w*sizeof(uint32_t));
-        i_y+=t->width;
+      for (ImTextureRect& h: tex->Updates) {
+        int i_y=t->width*h.y;
+        for (int i=h.y; i<h.y+h.h; i++) {
+          memcpy(&data[i_y+h.x],tex->GetPixelsAt(h.x,i),h.w*sizeof(uint32_t));
+          i_y+=t->width;
+        }
       }
     }
 
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 86993b69b..cf36e976d 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -54,8 +54,8 @@ class DivWorkPool;
 
 #define DIV_UNSTABLE
 
-#define DIV_VERSION "dev235"
-#define DIV_ENGINE_VERSION 235
+#define DIV_VERSION "dev236"
+#define DIV_ENGINE_VERSION 236
 // for imports
 #define DIV_VERSION_MOD 0xff01
 #define DIV_VERSION_FC 0xff02
diff --git a/src/engine/fileOps/dmf.cpp b/src/engine/fileOps/dmf.cpp
index 2b43ce275..8593993ef 100644
--- a/src/engine/fileOps/dmf.cpp
+++ b/src/engine/fileOps/dmf.cpp
@@ -840,6 +840,13 @@ bool DivEngine::loadDMF(unsigned char* file, size_t len) {
                   pat->newData[k][DIV_PAT_FXVAL(l)]=128+((pat->newData[k][DIV_PAT_FXVAL(l)]-128)/4);
                 }
               }
+              // YM2151: pitch effect range is different
+              if (ds.system[0]==DIV_SYSTEM_ARCADE && pat->newData[k][DIV_PAT_FX(l)]==0xe5 && pat->newData[k][DIV_PAT_FXVAL(l)]!=-1) {
+                int newVal=(2*((pat->newData[k][DIV_PAT_FXVAL(l)]&0xff)-0x80))+0x80;
+                if (newVal<0) newVal=0;
+                if (newVal>0xff) newVal=0xff;
+                pat->newData[k][DIV_PAT_FXVAL(l)]=newVal;
+              }
             }
             // instrument
             pat->newData[k][DIV_PAT_INS]=reader.readS();
diff --git a/src/engine/fileOps/fur.cpp b/src/engine/fileOps/fur.cpp
index e4b8c70d2..efb1d2632 100644
--- a/src/engine/fileOps/fur.cpp
+++ b/src/engine/fileOps/fur.cpp
@@ -2143,6 +2143,37 @@ bool DivEngine::loadFur(unsigned char* file, size_t len, int variantID) {
       }
     }
 
+    // YM2151 E5xx range was different
+    if (ds.version<236) {
+      int ch=0;
+      // so much nesting
+      for (int i=0; i<ds.systemLen; i++) {
+        if (ds.system[i]==DIV_SYSTEM_YM2151) {
+          // find all E5xx effects and adapt to normal range
+          for (int j=ch; j<ch+8; j++) {
+            for (size_t k=0; k<ds.subsong.size(); k++) {
+              for (int l=0; l<DIV_MAX_PATTERNS; l++) {
+                DivPattern* p=ds.subsong[k]->pat[j].data[l];
+                if (p==NULL) continue;
+
+                for (int m=0; m<DIV_MAX_ROWS; m++) {
+                  for (int n=0; n<ds.subsong[k]->pat[j].effectCols; n++) {
+                    if (p->newData[m][DIV_PAT_FX(n)]==0xe5 && p->newData[m][DIV_PAT_FXVAL(n)]!=-1) {
+                      int newVal=(2*((p->newData[m][DIV_PAT_FXVAL(n)]&0xff)-0x80))+0x80;
+                      if (newVal<0) newVal=0;
+                      if (newVal>0xff) newVal=0xff;
+                      p->newData[m][DIV_PAT_FXVAL(n)]=newVal;
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+        ch+=getChannelCount(ds.system[i]);
+      }
+    }
+
     if (active) quitDispatch();
     BUSY_BEGIN_SOFT;
     saveLock.lock();
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index a60bf2226..f61376900 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -1380,12 +1380,6 @@ void DivEngine::processRow(int i, bool afterDelay) {
         break;
       case 0xe5: // pitch
         chan[i].pitch=effectVal-0x80;
-        // why isn't this removed yet? we shpuldn't give this chip special treatment!
-        if (sysOfChan[i]==DIV_SYSTEM_YM2151) { // YM2151 pitch oddity
-          chan[i].pitch*=2;
-          if (chan[i].pitch<-128) chan[i].pitch=-128;
-          if (chan[i].pitch>127) chan[i].pitch=127;
-        }
         // send pitch now
         dispatchCmd(DivCommand(DIV_CMD_PITCH,i,chan[i].pitch+(((chan[i].vibratoDepth*vibTable[chan[i].vibratoPos]*chan[i].vibratoFine)>>4)/15)));
         dispatchCmd(DivCommand(DIV_CMD_HINT_PITCH,i,chan[i].pitch));
diff --git a/src/gui/editing.cpp b/src/gui/editing.cpp
index 505dd36fb..cf39622da 100644
--- a/src/gui/editing.cpp
+++ b/src/gui/editing.cpp
@@ -1395,7 +1395,7 @@ void FurnaceGUI::doInterpolate() {
           for (int k=0, k_p=curPoint.first; k<distance; k++) {
             DivPattern* pat=e->curPat[iCoarse].getPattern(e->curOrders->ord[iCoarse][(k_p>>8)&0xff],true);
             int val=curPoint.second+((nextPoint.second-curPoint.second)*(double)k/(double)distance);
-            pat->newData[k_p&0xff][DIV_PAT_NOTE]=val%12;
+            pat->newData[k_p&0xff][DIV_PAT_NOTE]=val;
             k_p++;
             if ((k_p&0xff)>=e->curSubSong->patLen) {
               k_p&=~0xff;
diff --git a/src/gui/sampleEdit.cpp b/src/gui/sampleEdit.cpp
index 4415130d9..441c0294a 100644
--- a/src/gui/sampleEdit.cpp
+++ b/src/gui/sampleEdit.cpp
@@ -1144,7 +1144,7 @@ void FurnaceGUI::drawSampleEdit() {
           if (resampleTarget>384000) resampleTarget=384000;
         }
         double factor=resampleTarget/(double)targetRate;
-        unsigned int targetLength=sample->samples*factor;
+        unsigned int targetLength=round(sample->samples*factor);
         if (ImGui::InputScalar("Length##SRLen",ImGuiDataType_U32,&targetLength, &_ONE, &_SIXTEEN)) {
           if (targetLength<1) targetLength=1;
           resampleTarget=targetRate*targetLength/(double)sample->samples;