diff --git a/data/dynos.cpp.h b/data/dynos.cpp.h
index 0cccfb2d..e00a8a28 100644
--- a/data/dynos.cpp.h
+++ b/data/dynos.cpp.h
@@ -618,6 +618,14 @@ void Print(const char *aFmt, Args... aArgs) {
     aGfxData->mErrorCount++; \
 }
 
+#if DEBUG
+#define PrintDebug(...) { Print(__VA_ARGS__); }
+#define PrintDebugNoNewLine(...) { PrintNoNewLine(__VA_ARGS__); }
+#else
+#define PrintDebug(...)
+#define PrintDebugNoNewLine(...)
+#endif
+
 template <typename... Args>
 SysPath fstring(const char *aFmt, Args... aArgs) {
     char buffer[1024];
diff --git a/data/dynos_bin_tex.cpp b/data/dynos_bin_tex.cpp
index 418bf8f8..ab8cea71 100644
--- a/data/dynos_bin_tex.cpp
+++ b/data/dynos_bin_tex.cpp
@@ -159,4 +159,4 @@ void DynOS_Tex_Load(FILE *aFile, GfxData *aGfxData) {
 
     // Append
     aGfxData->mTextures.Add(_Node);
-}
+}
\ No newline at end of file
diff --git a/data/dynos_mgr_actor.cpp b/data/dynos_mgr_actor.cpp
index 80db70b9..629615dd 100644
--- a/data/dynos_mgr_actor.cpp
+++ b/data/dynos_mgr_actor.cpp
@@ -23,12 +23,14 @@ void DynOS_Actor_AddCustom(const SysPath &aFilename, const char *aActorName) {
 
     GfxData *_GfxData = DynOS_Actor_LoadFromBinary(aFilename, actorName, aFilename);
     if (!_GfxData) {
+        Print("  ERROR: Couldn't load Actor Binary \"%s\" from \"%s\"", actorName, aPackFolder.c_str());
         free(actorName);
         return;
     }
 
     void* geoLayout = (*(_GfxData->mGeoLayouts.end() - 1))->mData;
     if (!geoLayout) {
+        Print("  ERROR: Couldn't load geo layout for \"%s\"", actorName);
         free(actorName);
         return;
     }
diff --git a/data/dynos_misc.cpp b/data/dynos_misc.cpp
index 8fa1fcf4..d822872f 100644
--- a/data/dynos_misc.cpp
+++ b/data/dynos_misc.cpp
@@ -136,8 +136,9 @@ static void _RelocateGraphNodePointers(struct GraphNode *aHead, u64 aOffset) {
     } while (_Node != aHead);
 }
 
+static Array<Pair<void *, void *>> sLoadedGraphNodes = {};
+
 void *DynOS_Geo_GetGraphNode(const void *aGeoLayout, bool aKeepInMemory) {
-    static Array<Pair<void *, void *>> sLoadedGraphNodes;
     if (aKeepInMemory) {
         s32 _LoadedGraphNodeIndex = sLoadedGraphNodes.FindIf([&aGeoLayout](const Pair<void *, void *> &aLoadedGraphNode) { return aLoadedGraphNode.first == aGeoLayout; });
         if (_LoadedGraphNodeIndex != -1) {
diff --git a/include/PR/os_pi.h b/include/PR/os_pi.h
index 8da37e25..4b0f9339 100644
--- a/include/PR/os_pi.h
+++ b/include/PR/os_pi.h
@@ -76,8 +76,7 @@ typedef struct {
 
 /* Functions */
 
-s32 osPiStartDma(OSIoMesg *mb, s32 priority, s32 direction, uintptr_t devAddr, void *vAddr,
-                 size_t nbytes, OSMesgQueue *mq);
+s32 osPiStartDma(OSIoMesg *mb, s32 priority, s32 direction, uintptr_t devAddr, void *vAddr, size_t nbytes, OSMesgQueue *mq);
 void osCreatePiManager(OSPri pri, OSMesgQueue *cmdQ, OSMesg *cmdBuf, s32 cmdMsgCnt);
 OSMesgQueue *osPiGetCmdQueue(void);
 s32 osPiWriteIo(uintptr_t devAddr, u32 data);
diff --git a/lib/src/os.h b/lib/src/os.h
index 3126f481..a35b6fe3 100644
--- a/lib/src/os.h
+++ b/lib/src/os.h
@@ -665,8 +665,7 @@ extern s32        osPiRawReadIo(u32, u32 *);
 extern s32        osPiRawStartDma(s32, u32, void *, u32);
 extern s32        osPiWriteIo(u32, u32);
 extern s32        osPiReadIo(u32, u32 *);
-extern s32        osPiStartDma(OSIoMesg *, s32, s32, u32, void *, u32,
-                     OSMesgQueue *);
+extern s32        osPiStartDma(OSIoMesg *, s32, s32, u32, void *, u32, OSMesgQueue *);
 extern void        osCreatePiManager(OSPri, OSMesgQueue *, OSMesg *, s32);
 
 /* Video interface (Vi) */
diff --git a/src/audio/heap.c b/src/audio/heap.c
index 38015ffe..9471c517 100644
--- a/src/audio/heap.c
+++ b/src/audio/heap.c
@@ -28,17 +28,17 @@ s8 gReverbDownsampleRate;
 u8 sReverbDownsampleRateLog; // never read
 #endif
 
-struct SoundAllocPool gAudioSessionPool;
-struct SoundAllocPool gAudioInitPool;
-struct SoundAllocPool gNotesAndBuffersPool;
+struct SoundAllocPool gAudioSessionPool = {};
+struct SoundAllocPool gAudioInitPool = {};
+struct SoundAllocPool gNotesAndBuffersPool = {};
 u8 sAudioHeapPad[0x20]; // probably two unused pools
-struct SoundAllocPool gSeqAndBankPool;
-struct SoundAllocPool gPersistentCommonPool;
-struct SoundAllocPool gTemporaryCommonPool;
+struct SoundAllocPool gSeqAndBankPool = {};
+struct SoundAllocPool gPersistentCommonPool = {};
+struct SoundAllocPool gTemporaryCommonPool = {};
 
-struct SoundMultiPool gSeqLoadedPool;
-struct SoundMultiPool gBankLoadedPool;
-struct SoundMultiPool gUnusedLoadedPool;
+struct SoundMultiPool gSeqLoadedPool = {};
+struct SoundMultiPool gBankLoadedPool = {};
+struct SoundMultiPool gUnusedLoadedPool = {};
 
 #ifdef VERSION_SH
 struct Unk1Pool gUnkPool1;
diff --git a/src/pc/ultra_reimplementation.c b/src/pc/ultra_reimplementation.c
index 39992177..6e6d98e6 100644
--- a/src/pc/ultra_reimplementation.c
+++ b/src/pc/ultra_reimplementation.c
@@ -18,7 +18,6 @@ u64 osClockRate = 62500000;
 s32 osPiStartDma(UNUSED OSIoMesg *mb, UNUSED s32 priority, UNUSED s32 direction,
                  uintptr_t devAddr, void *vAddr, size_t nbytes,
                  UNUSED OSMesgQueue *mq) {
-    //printf("osPiStartDma: Copying %u bytes from %p to %p!\n", nbytes, (void *)devAddr, vAddr);
     memcpy(vAddr, (const void *) devAddr, nbytes);
     return 0;
 }