diff --git a/motorApp/MotorSrc/motor.h b/motorApp/MotorSrc/motor.h
index 8d14bf8a..5b3e7ee8 100644
--- a/motorApp/MotorSrc/motor.h
+++ b/motorApp/MotorSrc/motor.h
@@ -45,6 +45,8 @@ Last Modified:	$Date: 2009-04-27 14:28:42 $
  *		      to support MS Visual C.
  * .06 01-27-06 rls - Added LT_EPICSBASE macro for test EPICS base versions.
  * .07 11-19-08 rls - More extensive bit field tests.
+ * .08 00-09-10 rls - GNU preprocessor assertions are deprecated with VxWorks
+ *                    6.x.  Added test for CPU macros.
  */
 
 #ifndef	INCmotorh
@@ -131,6 +133,8 @@ typedef enum  {
     #define LSB_First (TRUE)  /* LSB is packed first. */    
 #elif #cpu(sparc) || #cpu(m68k) || #cpu(powerpc)
     #define MSB_First (TRUE)  /* MSB is packed first. */
+#elif (CPU == PPC604) || (CPU == PPC603) || (CPU==PPC85XX)
+    #define MSB_First (TRUE)  /* MSB is packed first. */
 #else
     Error: unknown bit order!
 #endif