diff --git a/src/engine/platform/nds.cpp b/src/engine/platform/nds.cpp
index 31a94448d..b39e99993 100644
--- a/src/engine/platform/nds.cpp
+++ b/src/engine/platform/nds.cpp
@@ -307,6 +307,13 @@ int DivPlatformNDS::dispatch(DivCommand c) {
         chan[c.chan].ins=c.value;
       }
       break;
+    case DIV_CMD_ADPCMA_GLOBAL_VOLUME: {
+      if (globalVolume!=(c.value&0x7f)) {
+        globalVolume=c.value&0x7f;
+        rWrite32(0x100,0x8000|globalVolume);
+      }
+      break;
+    }
     case DIV_CMD_VOLUME:
       if (chan[c.chan].vol!=c.value) {
         chan[c.chan].vol=c.value;
@@ -435,7 +442,8 @@ DivDispatchOscBuffer* DivPlatformNDS::getOscBuffer(int ch) {
 void DivPlatformNDS::reset() {
   memset(regPool,0,288);
   nds.reset();
-  rWrite32(0x100,0x807f); // enable keyon
+  globalVolume=0x7f;
+  rWrite32(0x100,0x8000|globalVolume); // enable keyon
   rWrite32(0x104,0x200); // initialize bias
   for (int i=0; i<16; i++) {
     chan[i]=DivPlatformNDS::Channel();
diff --git a/src/engine/platform/nds.h b/src/engine/platform/nds.h
index cf846d847..5e2850618 100644
--- a/src/engine/platform/nds.h
+++ b/src/engine/platform/nds.h
@@ -47,6 +47,7 @@ class DivPlatformNDS: public DivDispatch, public nds_sound_intf {
   DivDispatchOscBuffer* oscBuf[16];
   bool isMuted[16];
   bool isDSi;
+  int globalVolume;
   unsigned int sampleOff[256];
   bool sampleLoaded[256];
 
diff --git a/src/engine/sysDef.cpp b/src/engine/sysDef.cpp
index 3cc1796f2..45d08a687 100644
--- a/src/engine/sysDef.cpp
+++ b/src/engine/sysDef.cpp
@@ -2031,6 +2031,7 @@ void DivEngine::registerSystems() {
     {DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA, DIV_INS_AMIGA},
     {
       {0x12, {DIV_CMD_STD_NOISE_MODE, "12xx: Set duty cycle (pulse: 0 to 7)"}},
+      {0x1f, {DIV_CMD_ADPCMA_GLOBAL_VOLUME, "1Fxx: Set global volume (0 to 7F)"}},
     }
   );