;********************************************************************** 
; Filename: PIC16F628A_TMR1.asm 
; Date: 12 Nov. 2013  
; Author: Lewis Loflin   
; Uses TMR1 with ext. 32 kHz crystal to generate interrupt
; that toggles the state of RA5 LED   
; 16 mHz crystal                                                                     
;**********************************************************************

Set Pic Mhz to 16

Assembled with gpasm-0.13.7 (gputils): http://gputils.sourceforge.net/
    gpasm -L -w1 -i -ainhx32  T1_IRQ_Pic16F628A.asm 

Source and explanations about Pic16f628a Timer1:
    http://www.bristolwatch.com/PIC16F628A/a4.htm
