diff --git a/src/engine/platform/sound/ymfm/ymfm_opz.h b/src/engine/platform/sound/ymfm/ymfm_opz.h
index 4bc4663a0..5be148a38 100644
--- a/src/engine/platform/sound/ymfm/ymfm_opz.h
+++ b/src/engine/platform/sound/ymfm/ymfm_opz.h
@@ -320,6 +320,9 @@ public:
 	// generate one sample of sound
 	void generate(output_data *output, uint32_t numsamples = 1);
 
+  // get the engine
+  fm_engine* debug_engine() { return &m_fm; }
+
 protected:
 	// internal state
 	uint8_t m_address;               // address register
diff --git a/src/engine/platform/tx81z.cpp b/src/engine/platform/tx81z.cpp
index d69dfc875..90f1d738b 100644
--- a/src/engine/platform/tx81z.cpp
+++ b/src/engine/platform/tx81z.cpp
@@ -147,6 +147,8 @@ const char* DivPlatformTX81Z::getEffectName(unsigned char effect) {
 void DivPlatformTX81Z::acquire(short* bufL, short* bufR, size_t start, size_t len) {
   static int os[2];
 
+  ymfm::ym2414::fm_engine* fme=fm_ymfm->debug_engine();
+
   for (size_t h=start; h<start+len; h++) {
     os[0]=0; os[1]=0;
     if (!writes.empty()) {
@@ -162,6 +164,10 @@ void DivPlatformTX81Z::acquire(short* bufL, short* bufR, size_t start, size_t le
     
     fm_ymfm->generate(&out_ymfm);
 
+    for (int i=0; i<8; i++) {
+      oscBuf[i]->data[oscBuf[i]->needle++]=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1));
+    }
+
     os[0]=out_ymfm.data[0];
     if (os[0]<-32768) os[0]=-32768;
     if (os[0]>32767) os[0]=32767;
@@ -714,6 +720,10 @@ void* DivPlatformTX81Z::getChanState(int ch) {
   return &chan[ch];
 }
 
+DivDispatchOscBuffer* DivPlatformTX81Z::getOscBuffer(int ch) {
+  return oscBuf[ch];
+}
+
 unsigned char* DivPlatformTX81Z::getRegisterPool() {
   return regPool;
 }
@@ -789,6 +799,7 @@ int DivPlatformTX81Z::init(DivEngine* p, int channels, int sugRate, unsigned int
   skipRegisterWrites=false;
   for (int i=0; i<8; i++) {
     isMuted[i]=false;
+    oscBuf[i]=new DivDispatchOscBuffer;
   }
   setFlags(flags);
   fm_ymfm=new ymfm::ym2414(iface);
@@ -798,6 +809,9 @@ int DivPlatformTX81Z::init(DivEngine* p, int channels, int sugRate, unsigned int
 }
 
 void DivPlatformTX81Z::quit() {
+  for (int i=0; i<8; i++) {
+    delete oscBuf[i];
+  }
   delete fm_ymfm;
 }
 
diff --git a/src/engine/platform/tx81z.h b/src/engine/platform/tx81z.h
index 5df591f64..60ea66ae0 100644
--- a/src/engine/platform/tx81z.h
+++ b/src/engine/platform/tx81z.h
@@ -68,6 +68,7 @@ class DivPlatformTX81Z: public DivDispatch {
         chVolR(127) {}
     };
     Channel chan[8];
+    DivDispatchOscBuffer* oscBuf[8];
     struct QueuedWrite {
       unsigned short addr;
       unsigned char val;
@@ -102,6 +103,7 @@ class DivPlatformTX81Z: public DivDispatch {
     void acquire(short* bufL, short* bufR, size_t start, size_t len);
     int dispatch(DivCommand c);
     void* getChanState(int chan);
+    DivDispatchOscBuffer* getOscBuffer(int chan);
     unsigned char* getRegisterPool();
     int getRegisterPoolSize();
     void reset();