wake up from sleep

[savnik]

I use pic16f628a with the code below.This code works.
I want to change the code , so the pic after 10 seconds to wake up for .1 sec and after go again to sleep

    TRISB = %11110000
    TRISA = %00000000   
    CMCON = 7    
    OPTION_REG.7=0      ' 0 = Enable PORTB Pull Ups
    @ Device wdt_off    ' Disable the WatchDog Timer             
    INTCON.3=1          ' Interrupt Control Register  
    PORTB = 0
    PORTA = 0

loop:
            
    PORTA.0 = 1         ' Turn LED On for 1 second
    pause 1000
    PORTA.0 = 0  
    INTCON.0=0                        
    @ SLEEP       
    INTCON.0=0

    goto loop