C140: VGM volume

src/engine/platform/c140.cpp

@@ -398,6 +398,10 @@ int DivPlatformC140::getRegisterPoolSize() {
   return 512;
 }
 
+float DivPlatformC140::getPostAmp() {
+  return 3.0f;
+}
+
 const void* DivPlatformC140::getSampleMem(int index) {
   return index == 0 ? sampleMem : NULL;
 }

src/engine/platform/c140.h

@@ -77,6 +77,7 @@ class DivPlatformC140: public DivDispatch {
     DivDispatchOscBuffer* getOscBuffer(int chan);
     unsigned char* getRegisterPool();
     int getRegisterPoolSize();
+    float getPostAmp();
     void reset();
     void forceIns();
     void tick(bool sysTick=true);

src/engine/vgmOps.cpp

@@ -1788,12 +1788,12 @@ SafeWriter* DivEngine::saveVGM(bool* sysToExport, bool loop, int version, bool p
         if (!hasNamco) {
           // ?!?!?!
           hasNamco=disCont[i].dispatch->rate/2;
-          CHIP_VOL(40,0.4);
+          CHIP_VOL(40,1.0);
           willExport[i]=true;
           writeC140[0]=disCont[i].dispatch;
         } else if (!(hasNamco&0x40000000)) {
           isSecond[i]=true;
-          CHIP_VOL_SECOND(40,0.4);
+          CHIP_VOL_SECOND(40,1.0);
           willExport[i]=true;
           writeC140[1]=disCont[i].dispatch;
           hasNamco|=0x40000000;