diff --git a/src/engine/dispatch.h b/src/engine/dispatch.h
index 1bfad7e3d..7808806ab 100644
--- a/src/engine/dispatch.h
+++ b/src/engine/dispatch.h
@@ -460,6 +460,7 @@ struct DivMemoryEntry {
 
 struct DivMemoryComposition {
   std::vector<DivMemoryEntry> entries;
+  String name;
   size_t capacity;
   size_t used;
 };
diff --git a/src/engine/platform/snes.cpp b/src/engine/platform/snes.cpp
index cf1143c7f..ef1068c3f 100644
--- a/src/engine/platform/snes.cpp
+++ b/src/engine/platform/snes.cpp
@@ -940,11 +940,19 @@ bool DivPlatformSNES::isSampleLoaded(int index, int sample) {
   return sampleLoaded[sample];
 }
 
+const DivMemoryComposition* DivPlatformSNES::getMemCompo(int index) {
+  if (index!=0) return NULL;
+  return &memCompo;
+}
+
 void DivPlatformSNES::renderSamples(int sysID) {
   memset(copyOfSampleMem,0,65536);
   memset(sampleOff,0,256*sizeof(unsigned int));
   memset(sampleLoaded,0,256*sizeof(bool));
 
+  memCompo=DivMemoryComposition();
+  memCompo.name="SPC/DSP Memory";
+
   // skip past sample table and wavetable buffer
   size_t memPos=sampleTableBase+8*4+8*9*16;
   for (int i=0; i<parent->song.sampleLen; i++) {
diff --git a/src/engine/platform/snes.h b/src/engine/platform/snes.h
index 315f5a89b..a2eea2853 100644
--- a/src/engine/platform/snes.h
+++ b/src/engine/platform/snes.h
@@ -91,6 +91,7 @@ class DivPlatformSNES: public DivDispatch {
   size_t sampleMemLen;
   unsigned int sampleOff[256];
   bool sampleLoaded[256];
+  DivMemoryComposition memCompo;
   unsigned char regPool[0x80];
   SPC_DSP dsp;
   friend void putDispatchChan(void*,int,int);
@@ -123,6 +124,7 @@ class DivPlatformSNES: public DivDispatch {
     size_t getSampleMemCapacity(int index = 0);
     size_t getSampleMemUsage(int index = 0);
     bool isSampleLoaded(int index, int sample);
+    const DivMemoryComposition* getMemCompo(int index);
     void renderSamples(int chipID);
     int init(DivEngine* parent, int channels, int sugRate, const DivConfig& flags);
     void quit();
diff --git a/src/gui/memory.cpp b/src/gui/memory.cpp
index 84e3a2e0e..bf5dd09a2 100644
--- a/src/gui/memory.cpp
+++ b/src/gui/memory.cpp
@@ -29,7 +29,15 @@ void FurnaceGUI::drawMemory() {
   }
   if (!memoryOpen) return;
   if (ImGui::Begin("Memory Composition",&memoryOpen,globalWinFlags)) {
-    ImGui::Text("Contents here...");
+    for (int i=0; i<e->song.systemLen; i++) {
+      DivDispatch* dispatch=e->getDispatch(i);
+      for (int j=0; j<4; j++) {
+        const DivMemoryComposition* mc=dispatch->getMemCompo(j);
+        if (mc==NULL) break;
+
+        ImGui::Text("%s: %s",e->getSystemName(e->song.system[i]),mc->name.c_str());
+      }
+    }
   }
   if (ImGui::IsWindowFocused(ImGuiFocusedFlags_ChildWindows)) curWindow=GUI_WINDOW_MEMORY;
   ImGui::End();