See: http://www.8052.com/faqs/120199

Note: use only spaces - not TABs - to lay out your code!


You also need to describe what, exactly, your program is intended to do - this includes putting Comments in the code;

Then, you need to describe what, exactly, actually happens when you run the code;

Then, you need to describe what steps you have taken to explain and/or correct this behaviour - this is known as Debugging


For tips on how to debug your code, see: http://www.8052.com/forum/read/169331
and follow the link...