diff --git a/Sys.cpp b/Sys.cpp
index 8eb1f234..f02f6cd0 100644
--- a/Sys.cpp
+++ b/Sys.cpp
@@ -559,3 +559,39 @@ void TSys::Trace(int times) const
 	}
 //#endif
 }
+
+/******************************** REV ********************************/
+
+uint	_REV(uint value)		{ return __REV(value); }
+ushort	_REV16(ushort value)	{ return __REV16(value); }
+
+/*#if defined ( __CC_ARM   )
+__asm uint _REV(uint value)
+{
+	rev16 r0, r0
+		bx lr
+}
+
+__asm ushort _REV16(ushort value)
+{
+	rev16 r0, r0
+		bx lr
+}
+
+#elif defined   (  __GNUC__  )
+uint32_t __REV(uint32_t value)
+{
+	uint32_t result = 0;
+
+	__ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value));
+	return(result);
+}
+
+uint32_t __REV16(uint16_t value)
+{
+	uint32_t result = 0;
+
+	__ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value));
+	return(result);
+}
+#endif*/
diff --git a/Sys.h b/Sys.h
index 5546cc46..870cde8c 100644
--- a/Sys.h
+++ b/Sys.h
@@ -115,6 +115,12 @@ extern TSys Sys;		//创建一个全局的Sys对象  会在main函数之前执行
 //#include "Time.h"
 #include "Interrupt.h"
 
+//extern uint32_t __REV(uint32_t value);
+//extern uint32_t __REV16(uint16_t value);
+
+uint _REV(uint value);
+ushort _REV16(ushort value);
+
 #endif //_Sys_H_
 
 /*
diff --git a/Type.cpp b/Type.cpp
index f0dab8b5..289d5a6e 100644
--- a/Type.cpp
+++ b/Type.cpp
@@ -714,39 +714,3 @@ void ByteArray::Write(UInt64 value, int index)
 {
 	Copy(index, (byte*)&value, sizeof(UInt64));
 }
-
-/******************************** REV ********************************/
-
-//uint	_REV(uint value)		{ return __REV(value); }
-//ushort	_REV16(ushort value)	{ return __REV16(value); }
-
-#if defined ( __CC_ARM   )
-__asm uint _REV(uint value)
-{
-  rev16 r0, r0
-  bx lr
-}
-
-__asm ushort _REV16(ushort value)
-{
-  rev16 r0, r0
-  bx lr
-}
-
-#elif defined   (  __GNUC__  )
-uint32_t __REV(uint32_t value)
-{
-  uint32_t result=0;
-
-  __ASM volatile ("rev %0, %1" : "=r" (result) : "r" (value) );
-  return(result);
-}
-
-uint32_t __REV16(uint16_t value)
-{
-  uint32_t result=0;
-
-  __ASM volatile ("rev16 %0, %1" : "=r" (result) : "r" (value) );
-  return(result);
-}
-#endif
diff --git a/Type.h b/Type.h
index 9e26dd0a..39e22c66 100644
--- a/Type.h
+++ b/Type.h
@@ -20,12 +20,6 @@ typedef long long       Int64;
 #include <typeinfo>
 using namespace ::std;
 
-//extern uint32_t __REV(uint32_t value);
-//extern uint32_t __REV16(uint16_t value);
-
-uint _REV(uint value);
-ushort _REV16(ushort value);
-
 class String;
 class Type;