diff --git a/core/cfg/cfg.cpp b/core/cfg/cfg.cpp
index ec286c44f..d7dc0b8fb 100644
--- a/core/cfg/cfg.cpp
+++ b/core/cfg/cfg.cpp
@@ -448,7 +448,7 @@ void  cfgSaveInt(const wchar * Section, const wchar * Key, s32 Int)
 	sprintf(tmp,"%d", Int);
 	cfgSaveStr(Section,Key,tmp);
 }
-void cfgSetVitual(const wchar * Section, const wchar * Key, const wchar * String)
+void cfgSetVirtual(const wchar * Section, const wchar * Key, const wchar * String)
 {
 	vlist.push_back(vitem(Section,Key,String));
 	//cfgdb.GetEntry(Section,CEM_VIRTUAL)->SetEntry(Key,String,CEM_VIRTUAL);
diff --git a/core/cfg/cfg.h b/core/cfg/cfg.h
index 77a35cc56..3278ed777 100644
--- a/core/cfg/cfg.h
+++ b/core/cfg/cfg.h
@@ -16,6 +16,6 @@ void  cfgLoadStr(const wchar * lpSection, const wchar * lpKey, wchar * lpReturn,
 string  cfgLoadStr(const wchar * Section, const wchar * Key, const wchar* Default);
 void  cfgSaveStr(const wchar * lpSection, const wchar * lpKey, const wchar * lpString);
 s32  cfgExists(const wchar * Section, const wchar * Key);
-void cfgSetVitual(const wchar * lpSection, const wchar * lpKey, const wchar * lpString);
+void cfgSetVirtual(const wchar * lpSection, const wchar * lpKey, const wchar * lpString);
 
-bool ParseCommandLine(int argc,wchar* argv[]);
\ No newline at end of file
+bool ParseCommandLine(int argc,wchar* argv[]);
diff --git a/core/cfg/cl.cpp b/core/cfg/cl.cpp
index 056b4e387..237e21d78 100644
--- a/core/cfg/cl.cpp
+++ b/core/cfg/cl.cpp
@@ -83,7 +83,7 @@ int setconfig(wchar** arg,int cl)
 			constval="";
 		printf("Virtual cfg %s:%s=%s\n",sect,key,value);
 
-		cfgSetVitual(sect,key,value);
+		cfgSetVirtual(sect,key,value);
 		rv++;
 
 		if (cl>=3 && stricmp(arg[2],",")==0)
@@ -129,12 +129,12 @@ bool ParseCommandLine(int argc,wchar* argv[])
 		}
 		else if (strstr(*arg, ".cdi") || strstr(*arg, ".chd")) {
 			printf("Using '%s' as cd image\n", *arg);
-			cfgSetVitual("config", "image", *arg);
+			cfgSetVirtual("config", "image", *arg);
 		}
 		else if (strstr(*arg, ".elf")) {
 			printf("Using '%s' as reios elf file\n", *arg);
-			cfgSetVitual("config", "reios.enabled", "1");
-			cfgSetVitual("reios", "ElfFile", *arg);
+			cfgSetVirtual("config", "reios.enabled", "1");
+			cfgSetVirtual("reios", "ElfFile", *arg);
 		}
 		else
 		{
@@ -145,4 +145,4 @@ bool ParseCommandLine(int argc,wchar* argv[])
 	}
 	printf("\n");
 	return false;
-}
\ No newline at end of file
+}
diff --git a/core/hw/sh4/dyna/driver.cpp b/core/hw/sh4/dyna/driver.cpp
index 9bd767919..3961e3f46 100644
--- a/core/hw/sh4/dyna/driver.cpp
+++ b/core/hw/sh4/dyna/driver.cpp
@@ -309,7 +309,7 @@ void* DYNACALL rdv_LinkBlock(u8* code,u32 dpc)
 		rbi=bm_GetStaleBlock(code);
 	}
 	
-	verify((int)rbi);
+	verify(rbi != NULL);
 
 	u32 bcls=BET_GET_CLS(rbi->BlockType);
 
diff --git a/core/nullDC.cpp b/core/nullDC.cpp
index c9df6fac5..da6144180 100755
--- a/core/nullDC.cpp
+++ b/core/nullDC.cpp
@@ -4,6 +4,7 @@
 //initialse Emu
 #include "types.h"
 #include "oslib/oslib.h"
+#include "oslib/audiostream.h"
 #include "hw/mem/_vmem.h"
 #include "stdclass.h"
 #include "cfg/cfg.h"
@@ -196,7 +197,6 @@ int dc_init(int argc,wchar* argv[])
 		printf("Using Interpreter\n");
 	}
 	
-	  void InitAudio();
   InitAudio();
 
 	sh4_cpu.Init();