since i m new in this field .. so i admit my imcompitency.

i use the simulator and in the debugger the code is running just fine .
hoever the compiler shows three warnings when i compiles the code . like PROCESS OVERLAY

remember these warnings come with older version of compiler aslo .but through the older version the code runs but through newer version the code doesnot.

hardware design is correct because, through older version of compiler the harware works.
waiting for co operation
majid baig