diff --git a/demos/virtualboy/4_dimensionnal_goddess_of_existance.fur b/demos/virtualboy/4_dimensionnal_goddess_of_existance.fur
index ce49008f5..fe5279389 100644
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diff --git a/demos/virtualboy/Double_Puzzle_Trouble.fur b/demos/virtualboy/Double_Puzzle_Trouble.fur
index aac93eeaa..002b00685 100644
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diff --git a/demos/virtualboy/LN2StreetLoader-VB.fur b/demos/virtualboy/LN2StreetLoader-VB.fur
index b0018cc0c..f94601279 100644
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diff --git a/demos/virtualboy/No_Such_Thing.fur b/demos/virtualboy/No_Such_Thing.fur
index 6794595fe..a26fdbfba 100644
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diff --git a/demos/virtualboy/honeydippedkiwis.fur b/demos/virtualboy/honeydippedkiwis.fur
index 213eaa587..5897ed677 100644
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diff --git a/demos/virtualboy/LastNinja-SewersLoader.fur b/demos/virtualboy/lastninja-sewersloader.fur
similarity index 100%
rename from demos/virtualboy/LastNinja-SewersLoader.fur
rename to demos/virtualboy/lastninja-sewersloader.fur
diff --git a/demos/virtualboy/needforspeed2semainmenu.fur b/demos/virtualboy/needforspeed2semainmenu.fur
index 51fdcb8ab..8b650664a 100644
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diff --git a/demos/virtualboy/red_joke.fur b/demos/virtualboy/red_joke.fur
index 63882cefb..f2afeb53d 100644
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diff --git a/demos/virtualboy/virtual_namachuukei_pennant_race.fur b/demos/virtualboy/virtual_namachuukei_pennant_race.fur
index 27bbfa9b8..e407c2b73 100644
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diff --git a/src/engine/dispatch.h b/src/engine/dispatch.h
index b5414c7de..6c30c6656 100644
--- a/src/engine/dispatch.h
+++ b/src/engine/dispatch.h
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "../pch.h"
+#include "blip_buf.h"
 #include "config.h"
 #include "chipUtils.h"
 #include "defines.h"
@@ -587,6 +588,14 @@ class DivDispatch {
      */
     virtual void acquire(short** buf, size_t len);
 
+    /**
+     * fill a buffer with sound data (direct access to blip_buf).
+     * @param bb pointers to blip_buf instances.
+     * @param the offset to the first sample (use this when calling blip_add_delta).
+     * @param len the amount of samples to fill.
+     */
+    virtual void acquireDirect(blip_buffer_t** bb, size_t off, size_t len);
+
     /**
      * fill a write stream with data (e.g. for software-mixed PCM).
      * @param stream the write stream.
@@ -777,6 +786,12 @@ class DivDispatch {
      */
     virtual bool getWantPreNote();
 
+    /**
+     * check whether acquireDirect is available.
+     * @return whether it is.
+     */
+    virtual bool hasAcquireDirect();
+
     /**
      * get minimum chip clock.
      * @return clock in Hz, or 0 if custom clocks are not supported.
diff --git a/src/engine/platform/abstract.cpp b/src/engine/platform/abstract.cpp
index 5750ee568..73abebc30 100644
--- a/src/engine/platform/abstract.cpp
+++ b/src/engine/platform/abstract.cpp
@@ -23,6 +23,9 @@
 void DivDispatch::acquire(short** buf, size_t len) {
 }
 
+void DivDispatch::acquireDirect(blip_buffer_t** bb, size_t off, size_t len) {
+}
+
 void DivDispatch::fillStream(std::vector<DivDelayedWrite>& stream, int sRate, size_t len) {
 }
 
@@ -127,6 +130,10 @@ bool DivDispatch::getDCOffRequired() {
   return false;
 }
 
+bool DivDispatch::hasAcquireDirect() {
+  return false;
+}
+
 bool DivDispatch::getWantPreNote() {
   return false;
 }