diff --git a/src/engine/platform/genesis.cpp b/src/engine/platform/genesis.cpp
index 46e243332..10a8762c0 100644
--- a/src/engine/platform/genesis.cpp
+++ b/src/engine/platform/genesis.cpp
@@ -92,7 +92,9 @@ void DivPlatformGenesis::acquire_nuked(short* bufL, short* bufR, size_t start, s
         DivSample* s=parent->getSample(dacSample);
         if (s->samples>0) {
           if (!isMuted[5]) {
-            urgentWrite(0x2a,(unsigned char)s->data8[dacPos]+0x80);
+            if (writes.size()<16) {
+              urgentWrite(0x2a,(unsigned char)s->data8[dacPos]+0x80);
+            }
           }
           if (++dacPos>=s->samples) {
             if (s->loopStart>=0 && s->loopStart<(int)s->samples) {
@@ -159,7 +161,9 @@ void DivPlatformGenesis::acquire_ymfm(short* bufL, short* bufR, size_t start, si
         DivSample* s=parent->getSample(dacSample);
         if (s->samples>0) {
           if (!isMuted[5]) {
-            urgentWrite(0x2a,(unsigned char)s->data8[dacPos]+0x80);
+            if (writes.size()<16) {
+              urgentWrite(0x2a,(unsigned char)s->data8[dacPos]+0x80);
+            }
           }
           if (++dacPos>=s->samples) {
             if (s->loopStart>=0 && s->loopStart<(int)s->samples) {
diff --git a/src/engine/platform/genesisshared.h b/src/engine/platform/genesisshared.h
index 6410ddb27..3d5320f6b 100644
--- a/src/engine/platform/genesisshared.h
+++ b/src/engine/platform/genesisshared.h
@@ -44,6 +44,6 @@ static int orderedOps[4]={
 
 #define rWrite(a,v) if (!skipRegisterWrites) {pendingWrites[a]=v;}
 #define immWrite(a,v) if (!skipRegisterWrites) {writes.push_back(QueuedWrite(a,v)); if (dumpWrites) {addWrite(a,v);} }
-#define urgentWrite(a,v) if (!skipRegisterWrites) {if (writes.empty() || writes.front().addrOrVal) {writes.push_back(QueuedWrite(a,v));} else {writes.push_front(QueuedWrite(a,v));}; if (dumpWrites) {addWrite(a,v);} }
+#define urgentWrite(a,v) if (!skipRegisterWrites) {if (writes.empty() || writes.size()>16 || writes.front().addrOrVal) {writes.push_back(QueuedWrite(a,v));} else {writes.push_front(QueuedWrite(a,v));}; if (dumpWrites) {addWrite(a,v);} }
 
 #include "fmshared_OPN.h"