Ying Gen Ning

about the stack operation error

Discussion created by Ying Gen Ning on Aug 4, 2009
Latest reply on Aug 5, 2009 by David Payne

Hi,Dear Friends,


When the program returns from the Interrupt service program,the PC pointer must be poped from stack.But I found that the PC pointer is error,the stack content which is PC pointer saved is DE7F,but when poped from the stack,the PC pointer is FE7F.Could you help explain why?