Thanks,

But could you please provide the source in "C" style.

Thanks again,
Joseph Thorman

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Tony Nixon
Sent: Thursday, November 14, 2002 11:03 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC] First Program Blues. Please Help.

Heres a simple program you can test with.

It assumes you have a 4MHz crystal as a clock source.

LED is connected to PORTA pin RA0

All other IO pins are disconnected.

;
        list P = 16F84A
;
        include "P16f84A.inc"

; ------------------
; CONFIGURATION FUSE
; ------------------
;
        __CONFIG _CP_OFF & _HS_OSC & _WDT_OFF & _PWRTE_OFF
;
; CRYSTAL SPEED = 4000000Hz
;

        CBLOCK 0x0C
NaHi
NaLo
NbHi
NbLo
        ENDC

;
; -------------
; PROGRAM START
; -------------
;
        clrf PORTA              ; port pins are ALL OUTPUTS LOW
        clrf PORTB
        bsf STATUS,RP0
        clrf TRISA
        clrf TRISB
        bcf STATUS,RP0


MainLoop        bsf PORTA,0             ; turn the LED on
        call Delay              ; wait a bit

        bcf PORTA,0             ; turn the LED off
        call Delay              ; wait a bit
        goto MainLoop           ; keep doing this loop
;
; DELAY SUBROUTINE
;
Delay   movlw 01h
        movwf NbHi
        movlw 03h
        movwf NbLo
        movlw 8Ah
        movwf NaHi
        movlw 5Bh
        movwf NaLo

DeLoop0 decfsz NaLo,F
        goto DeLoop0
        decfsz NaHi,F
        goto DeLoop0
        decfsz NbLo,F
        goto DeLoop0
        decfsz NbHi,F
        goto DeLoop0
        ;
        return


        end


--
Best regards

Tony

mICros
http://www.bubblesoftonline.com
mailto:sales@bubblesoftonline.com

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