;*******************************************************************************
;                                                                              *
;    Filename:  Proyecto 4                                                     *
;    Date:      21/01/2017                                                     *
;    File Version:   0.01                                                      *
;    Author:    Mariano Rocha                                                  *
;    Company:   Electronicos embebidos                                         *
;    Description: display tabla                                                *
;                                                                              *
;*******************************************************************************
;*******************************************************************************
; MAIN PROGRAM
;*******************************************************************************

LIST P=16f1827
RADIX HEX
include  "P16f1827.inc"
__CONFIG _CONFIG1, _FOSC_XT & _WDTE_OFF & _PWRTE_ON & _MCLRE_OFF & _CP_OFF & _CPD_OFF & _BOREN_ON & _CLKOUTEN_OFF & _IESO_ON & _FCMEN_ON
__CONFIG _CONFIG2, _WRT_OFF & _PLLEN_OFF & _STVREN_ON & _BORV_LO & _LVP_ON
    ORG 0

CBLOCK 0X20
PDel0, PDel1, PDel2
cont
ENDC


    ORG 0
    goto INICIO

tabla:
    BRW
    retlw   B'00111111' ;0
    retlw   B'00000110' ;1
    retlw   B'01011011' ;2
    retlw   B'01001111' ;3
    retlw   B'01100110' ;4
    retlw   B'01101101' ;5
    retlw   B'01111101' ;6
    retlw   B'00000111' ;7
    retlw   B'01111111' ;8
    retlw   B'01101111' ;9

    goto $

INICIO:
    BANKSEL PORTB
    clrf    PORTB
    BANKSEL ANSELB
    clrf    ANSELB
    BANKSEL TRISB
    clrf    TRISB

    BANKSEL PORTB

BUCLE:
    clrf    cont
    movf    cont,w
    call    tabla
    movwf   PORTB

    call    DEMORA
    incf    cont,f
    movf    cont,w
    sublw   .10
    btfss   STATUS,Z
    goto    BUCLE+1
    goto    BUCLE





;-------------------------------------------------------------
DEMORA  movlw     .6       ; 1 set numero de repeticion  (C)
        movwf     PDel0     ; 1 |
PLoop0  movlw     .72       ; 1 set numero de repeticion  (B)
        movwf     PDel1     ; 1 |
PLoop1  movlw     .247      ; 1 set numero de repeticion  (A)
        movwf     PDel2     ; 1 |
PLoop2  clrwdt              ; 1 clear watchdog
        decfsz    PDel2, 1  ; 1 + (1) es el tiempo 0  ? (A)
        goto      PLoop2    ; 2 no, loop
        decfsz    PDel1,  1 ; 1 + (1) es el tiempo 0  ? (B)
        goto      PLoop1    ; 2 no, loop
        decfsz    PDel0,  1 ; 1 + (1) es el tiempo 0  ? (C)
        goto      PLoop0    ; 2 no, loop
PDelL1  goto PDelL2         ; 2 ciclos delay
PDelL2  clrwdt              ; 1 ciclo delay
        return              ; 2+2 Fin.
;-------------------------------------------------------------

end;