split VGM ops code

CMakeLists.txt

@@ -275,6 +275,7 @@ src/engine/playback.cpp
 src/engine/sample.cpp
 src/engine/song.cpp
 src/engine/wavetable.cpp
+src/engine/vgmOps.cpp
 src/engine/platform/abstract.cpp
 src/engine/platform/genesis.cpp
 src/engine/platform/genesisext.cpp

src/engine/engine.h

@@ -30,6 +30,13 @@
 #include <map>
 #include <queue>
 
+#define addWarning(x) \
+  if (warnings.empty()) { \
+    warnings+=x; \
+  } else { \
+    warnings+=(String("\n")+x); \
+  }
+
 #define DIV_VERSION "0.5.7pre2"
 #define DIV_ENGINE_VERSION 50
 

src/engine/fileOps.cpp

@@ -41,13 +41,6 @@ struct InflateBlock {
   }
 };
 
-#define addWarning(x) \
-  if (warnings.empty()) { \
-    warnings+=x; \
-  } else { \
-    warnings+=(String("\n")+x); \
-  }
-
 bool DivEngine::loadDMF(unsigned char* file, size_t len) {
   SafeReader reader=SafeReader(file,len);
   warnings="";