diff --git a/cpukit/score/cpu/h8300/ChangeLog b/cpukit/score/cpu/h8300/ChangeLog
index 7843f5fc36..e0b81eda3b 100644
--- a/cpukit/score/cpu/h8300/ChangeLog
+++ b/cpukit/score/cpu/h8300/ChangeLog
@@ -1,3 +1,8 @@
+2003-08-14	Joel Sherrill <joel@OARcorp.com>
+
+	PR 455/bsps
+	* rtems/score/cpu.h: Added missing CPU_swap_u16().
+
 2003-08-11	Ralf Corsepius <corsepiu@faw.uni-ulm.de>
 
 	* configure.ac: Use rtems-bugs@rtems.com as bug report email address.
diff --git a/cpukit/score/cpu/h8300/rtems/score/cpu.h b/cpukit/score/cpu/h8300/rtems/score/cpu.h
index bb861ef2db..0fbf56c72e 100644
--- a/cpukit/score/cpu/h8300/rtems/score/cpu.h
+++ b/cpukit/score/cpu/h8300/rtems/score/cpu.h
@@ -1162,7 +1162,7 @@ void _CPU_Context_restore_fp(
  *
  *  H8300 Specific Information:
  *
- *  XXX
+ *  This is the generic implementation.
  */
  
 static inline unsigned32 CPU_swap_u32(
@@ -1180,6 +1180,9 @@ static inline unsigned32 CPU_swap_u32(
   return( swapped );
 }
 
+#define CPU_swap_u16( value ) \
+  (((value&0xff) << 8) | ((value >> 8)&0xff))
+
 /* to be provided by the BSP */
 extern void H8BD_Install_IRQ(
   unsigned32	vector,