Hi all

I am working with simple led on off swich and I can not make it work.
Please  explaine .
              +----------+ 5v
              |
             | | 10k
 16c84       |_|
-------+      |
 porta |      |      /
   as  |+-----+-----/ +---|+  gnd
 input |        PORTA BIT1
       |


;---------------------------------
porta           equ                     05
portb           equ                     06
;---------------------------------


                        MOVLW           B'11111111'             ; MAKE PORTA INP
UT
                        TRIS            PORTA                           ; DO IT
                        MOVLW           B'11111011'             ; MAKE PORTB BIT
 2 OUTPUT
                        TRIS            PORTB                           ; DO IT
LOOP            BTFSS           PORTA,1                 ; SKIP IF IT IS 1
                        BCF                     PORTB,2                 ; CLEAR
PORTB
                        BTFSC           PORTA,1                 ; SKIP IF IT IS
0
                        BSF                     PORTB,2                 ; TURN L
ED ON
                        GOTO            LOOP                            ; JUMP
                        END


THA WAY I WANT TO MAKE IT WORK IS
WHEN I PUSH THE BUTTON LED STAYS ON UNTIL I PUSH IT AGAIN TURNS OFF.
RIGHT NOW IF I PUSH THE SWICH IT WILL TURN ON BUT WHEN I REALICE IT
WILL TURN OFF.

PLEASE TELL ME WHAT IS WRONG?



        THANK YOU


ANDRE












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                   /   Andre  Abelian  818.840-0003     /
/\                                                 /       Data Image
Technology       _/ /                                             /
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