;--------------------------------------------------------------------------
; File:   Main.asm
; Author: topicchi
;
; Created on 11 maggio 2015, 16.00
;--------------------------------------------------------------------------
;
; Circuit diagram
; ---------------
;                 +--\/--+
;  A0/D0/PGD -----|1°   6|----- D3/RES/VPP
;  GND ---------->|2    5|<------- +5V
;  A1/D1/PGC -----|3    4|----- D2
;                 +------+
;
;--------------------------------------------------------------------------

    INCLUDE "p10f220.inc"    ; include le definizioni standard
    list	p=pic10f220      ; Processoer utilizzato
    ;errorlevel -302          ;suppress message "Bank Switch Check"
     __CONFIG _IOSCFS_8MHZ & _MCPU_ON & _WDT_OFF & _CP_OFF & _MCLRE_OFF

; - - - - -
ciclo	EQU	0x10            ; primo valore RAM (0x10-0x1F)
valore  EQU 0x11

    org 0x00
;    goto Start
;    org 0x04				; non ci sono interrupt --> nessun altro vettore
;    retfie

Start
    movlw b'1000'			;set GPIO 0..2 OUT, GPIO 3 IN
   	tris GPIO
    movlw 0xFF
    movwf valore
    movwf GPIO
    call delay
Main
    movf valore,w
    xorlw 0xFF
    movwf valore
    movwf GPIO
    call delay
    goto Main

delay
    movlw 0xFF
    movwf ciclo
loop
    decfsz ciclo,f
    goto loop
    retlw 0

    end