mrauf57,
When you said "even the simple program of HELLO WORLD is not working in MPLAB SIM". I don't know what kind of problem you are facing. Compiler problem? IDE problem? Simulation problem? or all the three problems?
I guest you have problem with setting up the IDE and setting Up Language Tools. If so, the following links will help you.
Download MPLAB IDE User's Guide from:
http://ww1.microchip.com/downloads/en/DeviceDoc/MPLAB_User_Guide_51519c.pdfDoccument number: DS51519C
Read part 6 for MPLAB SIM Simulator
Also this tutor is good for you:
http://www.kwantlen.ca/science/physics/engineering/APSC1299/files_for_lab/MPLAB_IDE_quick_start_g_51281F.pdfThis tutor will show you how the basic steps:
� MPLAB IDE Features and Installation
� Tutorial Overview
� Selecting the Device
� Creating the Project
� Setting Up Language Tools
� Naming the Project
� Adding Files to the Project
� Building the Project
� Creating Code
� Building the Project Again
� Testing Code with the Simulator
Or this tutor:
http://www.fatihun.edu.tr/~martiklar/TeachFall2003/EE_475/mplabTutorial.pdfIt show you step by step in very detail.
Or you can use Yahoo search for "MPLAB IDE", you will see many informations.
Good luck,
Tom