#ifdef _IAR_
 #define STRINGVECTOR(x) #x
 #define VECTOR_ID(x) STRINGVECTOR( vector = (x) )
 #define INTERRUPT_HANDLER( a, b )  
 _Pragma( VECTOR_ID( (b)+2 ) )        
 __interrupt void (a)( void )
 #define INTERRUPT_HANDLER_TRAP(a)
 _Pragma( VECTOR_ID( 1 ) )
 __interrupt void (a) (void)  
#endif /* _IAR_ */