diff --git a/papers/format.md b/papers/format.md
index 92f8b0edf..d8e12b7bd 100644
--- a/papers/format.md
+++ b/papers/format.md
@@ -256,6 +256,8 @@ size | description
      |   - 0xe0: QSound - 19 channels
      |   - 0xe1: PS1 - 24 channels (UNAVAILABLE)
      |   - 0xe2: C64 (6581) with PCM - 4 channels (UNAVAILABLE)
+     |   - 0xe3: Watara Supervision - 4 channels (UNAVAILABLE)
+     |   - 0xe4: µPD1771C - 1 channel (UNAVAILABLE)
      |   - 0xf0: SID2 - 3 channels
      |   - 0xf1: 5E01 - 5 channels
      |   - 0xfc: Pong - 1 channel
diff --git a/src/engine/playback.cpp b/src/engine/playback.cpp
index dea89066e..dc1b2c3c0 100644
--- a/src/engine/playback.cpp
+++ b/src/engine/playback.cpp
@@ -1668,26 +1668,34 @@ bool DivEngine::nextTick(bool noAccum, bool inhibitLowLat) {
           chan[i].panPos+=chan[i].panRate;
           chan[i].panPos&=255;
 
-          // calculate...
+          // calculate inverted...
           switch (chan[i].panPos&0xc0) {
             case 0: // center -> right
-              chan[i].panL=0xff-((chan[i].panPos&0x3f)<<2);
-              chan[i].panR=0xff;
+              chan[i].panL=((chan[i].panPos&0x3f)<<2);
+              chan[i].panR=0;
               break;
             case 0x40: // right -> center
-              chan[i].panL=(chan[i].panPos&0x3f)<<2;
-              chan[i].panR=0xff;
+              chan[i].panL=0xff-((chan[i].panPos&0x3f)<<2);
+              chan[i].panR=0;
               break;
             case 0x80: // center -> left
-              chan[i].panL=0xff;
-              chan[i].panR=0xff-((chan[i].panPos&0x3f)<<2);
+              chan[i].panL=0;
+              chan[i].panR=((chan[i].panPos&0x3f)<<2);
               break;
             case 0xc0: // left -> center
-              chan[i].panL=0xff;
-              chan[i].panR=(chan[i].panPos&0x3f)<<2;
+              chan[i].panL=0;
+              chan[i].panR=0xff-((chan[i].panPos&0x3f)<<2);
               break;
           }
 
+          // multiply by depth
+          chan[i].panL=(chan[i].panL*chan[i].panDepth)/15;
+          chan[i].panR=(chan[i].panR*chan[i].panDepth)/15;
+
+          // then invert it to get final panning
+          chan[i].panL^=0xff;
+          chan[i].panR^=0xff;
+
           dispatchCmd(DivCommand(DIV_CMD_PANNING,i,chan[i].panL,chan[i].panR));
         }
 
diff --git a/src/gui/plot_nolerp.cpp b/src/gui/plot_nolerp.cpp
index 170fc20d9..aa57f0da7 100644
--- a/src/gui/plot_nolerp.cpp
+++ b/src/gui/plot_nolerp.cpp
@@ -26,6 +26,8 @@
 #include "imgui.h"
 #include "imgui_internal.h"
 
+#include "../ta-utils.h"
+
 struct FurnacePlotArrayGetterData
 {
     const float* Values;
@@ -270,12 +272,13 @@ int PlotBitfieldEx(const char* label, int (*values_getter)(void* data, int idx),
       float lineHeight=ImGui::GetTextLineHeight()/2.0;
       for (int i=0; i<bits && overlay_text[i]; i++) {
         ImGui::PushStyleColor(ImGuiCol_Text,ImVec4(0,0,0,1.0f));
-        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x-1, frame_bb.Min.y-lineHeight-1), ImVec2(frame_bb.Max.x-1,frame_bb.Max.y+lineHeight-1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
-        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x-1, frame_bb.Min.y-lineHeight+1), ImVec2(frame_bb.Max.x-1,frame_bb.Max.y+lineHeight+1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
-        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x+1, frame_bb.Min.y-lineHeight-1), ImVec2(frame_bb.Max.x+1,frame_bb.Max.y+lineHeight-1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
-        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x+1, frame_bb.Min.y-lineHeight+1), ImVec2(frame_bb.Max.x+1,frame_bb.Max.y+lineHeight+1), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
+        const char* text=_(overlay_text[i]);
+        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x-1, frame_bb.Min.y-lineHeight-1), ImVec2(frame_bb.Max.x-1,frame_bb.Max.y+lineHeight-1), text, NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
+        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x-1, frame_bb.Min.y-lineHeight+1), ImVec2(frame_bb.Max.x-1,frame_bb.Max.y+lineHeight+1), text, NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
+        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x+1, frame_bb.Min.y-lineHeight-1), ImVec2(frame_bb.Max.x+1,frame_bb.Max.y+lineHeight-1), text, NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
+        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x+1, frame_bb.Min.y-lineHeight+1), ImVec2(frame_bb.Max.x+1,frame_bb.Max.y+lineHeight+1), text, NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
         ImGui::PopStyleColor();
-        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y-lineHeight), ImVec2(frame_bb.Max.x,frame_bb.Max.y+lineHeight), overlay_text[i], NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
+        ImGui::RenderTextClipped(ImVec2(frame_bb.Min.x, frame_bb.Min.y-lineHeight), ImVec2(frame_bb.Max.x,frame_bb.Max.y+lineHeight), text, NULL, NULL, ImVec2(0.0f, (0.5+double(bits-1-i))/double(bits)));
       }
     }