Quote Originally Posted by Megahertz View Post
Steve, but
1)INTHAND is not a variable, in fact it is mentioned in the statement
Code:
define      INTHAND     _ISR
Yes, you are right. But I didn't say it was a variable.


2)What is the basic purpose of loading value in PCLATH
The PCLATH is used (along with PCLATU) to make changes to the Program Counter, which is akin to directing the the program to a new location in the code: a "Computed GOTO."