minhtienbk
23-01-2006, 03:32 PM
chuong trinh na`y của anh falleaf ,ko hỉu vì sao no' ko chạy ,anh na`o rảnh coi giùm em 1 tí ,cảm ơn
;chuong tri`nh thu led
;
;----------------------------------------------------------------------
;chuong tri`nh na`y se xuat portB cua 16877
;.............................
;Khai ba'o
processor 16f877a
include <p16f877a.inc>
__CONFIG _CP_OFF & _WDT_OFF & _BODEN_OFF & _PWRTE_ON & _XT_OSC & _WRT_OFF & _LVP_OFF & _CPD_OFF
ORG 0x000 ; BAT DAU
GOTO START
START
BCF STATUS,RP1
BSF STATUS,RP0 ;CHON BANK 1
CLRF TRISB ;CHO TAT CA CAC PORTB LA OUTPUT
BCF STATUS,RP0 ;CHON BANK 0
MOVLW b'11111111' ;XUAT DEN PORTB
MOVWF PORTB
loop ;TAO SUBROUTINE
GOTO loop ;LAP VO^ CU`NG
END
;chuong tri`nh thu led
;
;----------------------------------------------------------------------
;chuong tri`nh na`y se xuat portB cua 16877
;.............................
;Khai ba'o
processor 16f877a
include <p16f877a.inc>
__CONFIG _CP_OFF & _WDT_OFF & _BODEN_OFF & _PWRTE_ON & _XT_OSC & _WRT_OFF & _LVP_OFF & _CPD_OFF
ORG 0x000 ; BAT DAU
GOTO START
START
BCF STATUS,RP1
BSF STATUS,RP0 ;CHON BANK 1
CLRF TRISB ;CHO TAT CA CAC PORTB LA OUTPUT
BCF STATUS,RP0 ;CHON BANK 0
MOVLW b'11111111' ;XUAT DEN PORTB
MOVWF PORTB
loop ;TAO SUBROUTINE
GOTO loop ;LAP VO^ CU`NG
END