diff --git a/Core/Core.cpp b/Core/Core.cpp
index 5fab683bea..2d8a75cf91 100644
--- a/Core/Core.cpp
+++ b/Core/Core.cpp
@@ -120,6 +120,7 @@ reswitch:
 
 		case CORE_POWERDOWN:
 		case CORE_ERROR:
+		case CORE_NEXTFRAME:
 			//1: Exit loop!!
 			return;
 		}
diff --git a/Core/Debugger/SymbolMap.cpp b/Core/Debugger/SymbolMap.cpp
index 81761819f3..2c90839b82 100644
--- a/Core/Debugger/SymbolMap.cpp
+++ b/Core/Debugger/SymbolMap.cpp
@@ -457,7 +457,7 @@ void SymbolMap::UseFuncSignaturesFile(const char *filename, u32 maxAddress)
 	for (size_t j=0; j<numSigs; j++)
 		fprintf(f, "%08x\t%08x\t%08x\t%s\n", sigs[j].inst, sigs[j].size, sigs[j].hash, sigs[j].name);    
 	fseek(f,0,SEEK_SET);
-	fprintf(f,"%08x",numSigs);
+	fprintf(f,"%08x", (unsigned int)numSigs);
 	fclose(f);
 
 	u32 last = 0xc0d3babe;
diff --git a/Core/HLE/sceIo.cpp b/Core/HLE/sceIo.cpp
index bd8d39574a..bf776ad224 100644
--- a/Core/HLE/sceIo.cpp
+++ b/Core/HLE/sceIo.cpp
@@ -386,13 +386,14 @@ u32 sceIoWriteAsync(int id, void *data_ptr, int size)
 
 u32 sceIoGetDevType(int id) 
 {
+	ERROR_LOG(HLE, "UNIMPL sceIoGetDevType(%d)", id);
 	u32 error;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	int result;
 	if (f) 
 		result = PSP_DEV_TYPE_ALIAS;
 	else {
-		ERROR_LOG(HLE, "sceIoGetDevTyp: unknown id %s", id);
+		ERROR_LOG(HLE, "sceIoGetDevType: unknown id %d", id);
 		result = ERROR_KERNEL_BAD_FILE_DESCRIPTOR;
 	}
 
@@ -401,13 +402,14 @@ u32 sceIoGetDevType(int id)
 
 u32 sceIoCancel(int id) 
 {
+	ERROR_LOG(HLE, "UNIMPL sceIoCancel(%d)", id);
 	u32 error;
 	FileNode *f = kernelObjects.Get < FileNode > (id, error);
 	int result;
 	if (f) 
 		f->closePending = true;
 	else {
-		ERROR_LOG(HLE, "sceIoCancel: unknown id %s", id);
+		ERROR_LOG(HLE, "sceIoCancel: unknown id %d", id);
 		result = ERROR_KERNEL_BAD_FILE_DESCRIPTOR;
 	}
 
@@ -795,6 +797,7 @@ int sceIoCloseAsync(int id)
 
 u32 sceIoLseekAsync(int id, s64 offset, int whence)
 {
+	DEBUG_LOG(HLE, "sceIoLseekAsync(%d) sorta implemented", id);
 	sceIoLseek(id, offset, whence);
 	__IoCompleteAsyncIO(id);
 	return 0;
diff --git a/Core/HLE/sceKernelModule.cpp b/Core/HLE/sceKernelModule.cpp
index 83ef5d59ff..290d03aab8 100644
--- a/Core/HLE/sceKernelModule.cpp
+++ b/Core/HLE/sceKernelModule.cpp
@@ -903,7 +903,7 @@ u32 sceKernelLoadModuleByID(u32 id, u32 flags, u32 lmoptionPtr)
 {
 	u32 error;
 	u32 handle = __IoGetFileHandleFromId(id, error);
-	if (handle < 0) {
+	if (handle == -1) {
 		ERROR_LOG(HLE,"sceKernelLoadModuleByID(%08x, %08x, %08x): could not open file id",id,flags,lmoptionPtr);
 		return error;
 	}
diff --git a/Core/HLE/sceKernelThread.cpp b/Core/HLE/sceKernelThread.cpp
index 619e1c6603..0c86272339 100644
--- a/Core/HLE/sceKernelThread.cpp
+++ b/Core/HLE/sceKernelThread.cpp
@@ -1874,7 +1874,7 @@ void sceKernelSleepThreadCB()
 
 int sceKernelWaitThreadEnd(SceUID threadID, u32 timeoutPtr)
 {
-	DEBUG_LOG(HLE, "sceKernelWaitThreadEnd(%i, %08x)", threadID);
+	DEBUG_LOG(HLE, "sceKernelWaitThreadEnd(%i, %08x)", threadID, timeoutPtr);
 	if (threadID == 0 || threadID == currentThread)
 		return SCE_KERNEL_ERROR_ILLEGAL_THID;
 
@@ -1900,7 +1900,7 @@ int sceKernelWaitThreadEnd(SceUID threadID, u32 timeoutPtr)
 
 int sceKernelWaitThreadEndCB(SceUID threadID, u32 timeoutPtr)
 {
-	DEBUG_LOG(HLE, "sceKernelWaitThreadEnd(%i)", threadID);
+	DEBUG_LOG(HLE, "sceKernelWaitThreadEndCB(%i)", threadID, timeoutPtr);
 	if (threadID == 0 || threadID == currentThread)
 		return SCE_KERNEL_ERROR_ILLEGAL_THID;
 
@@ -1920,7 +1920,7 @@ int sceKernelWaitThreadEndCB(SceUID threadID, u32 timeoutPtr)
 	}
 	else
 	{
-		ERROR_LOG(HLE, "sceKernelWaitThreadEnd - bad thread %i", threadID);
+		ERROR_LOG(HLE, "sceKernelWaitThreadEndCB - bad thread %i", threadID);
 		return error;
 	}
 }
diff --git a/Core/HLE/sceMpeg.cpp b/Core/HLE/sceMpeg.cpp
index 0519e3dc24..c51bd05622 100644
--- a/Core/HLE/sceMpeg.cpp
+++ b/Core/HLE/sceMpeg.cpp
@@ -193,7 +193,7 @@ struct MpegContext {
 	bool endOfVideoReached;
 	int videoPixelMode;
 	u32 mpegMagic;
-	u32 mpegVersion;
+	int mpegVersion;
 	u32 mpegRawVersion;
 	u32 mpegOffset;
 	u32 mpegStreamSize;
@@ -1028,7 +1028,7 @@ int sceMpegGetAvcAu(u32 mpeg, u32 streamId, u32 auAddr, u32 attrAddr)
 			}
 			result = PSP_ERROR_MPEG_NO_DATA;
 		}
-		if (ctx->mpegLastTimestamp < 0 || sceAu.pts >= ctx->mpegLastTimestamp) {
+		if (ctx->mpegLastTimestamp <= 0 || sceAu.pts >= ctx->mpegLastTimestamp) {
 			NOTICE_LOG(HLE, "End of video reached");
 			ctx->endOfVideoReached = true;
 		} else {
diff --git a/Core/MIPS/MIPSIntVFPU.cpp b/Core/MIPS/MIPSIntVFPU.cpp
index 3c51ebd68e..8ae4847f4e 100644
--- a/Core/MIPS/MIPSIntVFPU.cpp
+++ b/Core/MIPS/MIPSIntVFPU.cpp
@@ -656,6 +656,10 @@ namespace MIPSInt
 			d[2] = ExpandHalf(s[1] & 0xFFFF);
 			d[3] = ExpandHalf(s[1] >> 16);
 			break;
+		case V_Triple:
+		case V_Quad:
+			_dbg_assert_msg_(CPU, 0, "Trying to interpret Int_Vh2f instruction that can't be interpreted");
+			break;
 		}
 		ApplyPrefixD(d, sz); //TODO: and the mask to kill everything but mask
 		WriteVector(d, sz, vd);