hiển thi led đơn có nút nhấn dùng pic 16f877a

[vanhoavh]

e đang làm bài lab mà thấy code ko chạy dc...
mong các anh o dien dan giup sua cho e voi...e cam on nhieu
;Chöông trình 4.1.8
processor 16f877a
include <p16f877a.inc>
__CONFIG _CP_OFF & _WDT_OFF & _BODEN_OFF & _PWRTE_ON & _XT_OSC & _WRT_OFF & _LVP_OFF & _CPD_OFF
;--------------------------------------------------------------------------------------------------------------
;Khai baùo haèng
;--------------------------------------------------------------------------------------------------------------
SW1 EQU 0
SW2 EQU 1
SW3 EQU 2
SW4 EQU 3
LED1 EQU 4
LED2 EQU 5
LED3 EQU 6
LED4 EQU 7
;--------------------------------------------------------------------------------------------------------------
;Khai baùo bieán
;--------------------------------------------------------------------------------------------------------------
count EQU 0x20
count1 EQU 0x20
counta EQU 0x21
countb EQU 0x22
;--------------------------------------------------------------------------------------------------------------
;Caùc khai baùo khaùc
;--------------------------------------------------------------------------------------------------------------
SWdel SET del150 ; gaùn SWdel vôùi label del150
;--------------------------------------------------------------------------------------------------------------
;Chöông trình
;--------------------------------------------------------------------------------------------------------------
ORG 0x000
GOTO start
start ; vò trí baét ñaàu chöông trình chính
BCF STATUS,RP1
BCF STATUS,RP0 ; choïn BANK0
CLRF PORTB
BSF STATUS,RP0 ; choïn BANK1
MOVLW b'00001111'
MOVWF TRISB
BCF STATUS,RP0 ; choïn BANK0
loop ; voøng laëp kieåm tra coâng taùc naøo ñöôïc aán
BTFSS PORTB,SW1 ; kieåm tra SW1
CALL switch1 ; nhaûy tôùi chöông trình con switch1 neáu
; SW1 ñöôïc aán
BTFSS PORTB,SW2 ; neáu SW1 khoâng ñöôïc aán tieáp tuïc kieåm tra
; SW2
CALL switch2 ; thao taùc töông töï nhö SW1
BTFSS PORTB,SW3
CALL switch3
BTFSS PORTB,SW4
CALL switch4
GOTO loop

switch1
CLRF PORTB ; xoùa PORTB
CALL SWdel ; goïi chöông trình delay del150
BTFSC PORTB,SW1 ; kieåm tra coâng taéc 1 coøn nhaán hay khoâng
RETURN ; neáu khoâng coøn nhaán thì trôû veà chöông
; trình chính
led1_ON
BSF PORTB,LED1 ; baät LED1 saùng
BTFSC PORTB,SW1 ; xaùc nhaän laïi traïng thaùi coâng taéc 1
RETURN ; trôû veà chöông trình chính neáu coâng taéc
; khoâng coøn aán
GOTO led1_ON ; tieáp tuïc giöõ LED1 saùng neáu coâng taéc coøn
; ñöôïc aán
switch2 ; thao taùc töông töï vôùi caùc coâng taéc coøn laïi
CLRF PORTB
CALL SWdel
BTFSC PORTB,SW2
RETURN
led2_ON
BSF PORTB,LED2
BTFSC PORTB,SW2
RETURN
GOTO led2_ON

switch3
CLRF PORTB
CALL SWdel
BTFSC PORTB,SW3
RETURN
led3_ON
BSF PORTB,LED3
BTFSC PORTB,SW3
RETURN
GOTO led3_ON

switch4
CLRF PORTB
CALL SWdel
BTFSC PORTB,SW4
RETURN
led4_ON
BSF PORTB,LED4
BTFSC PORTB,SW4
RETURN
GOTO led4_ON
;---------------------------------------------------------------------------------------------------------------
;Chöông trình delay caûi tieán cho pheùp nhieàu khoaûng thôøi gian delay khaùc nhau
;---------------------------------------------------------------------------------------------------------------
del0
RETURN
del1
MOVLW d'1'
GOTO delay
del5
MOVLW d'5'
GOTO delay
del10
MOVLW d'10'
GOTO delay
del20
MOVLW d'20'
GOTO delay
del50
MOVLW d'50'
GOTO delay
del100
MOVLW d'100'
GOTO delay
del150
MOVLW d'150'
GOTO delay
del200
MOVLW d'200'
GOTO delay
delay
MOVWF count1
d1 ; taïo thôøi gian delay 1 mS
MOVLW 0xC7
MOVWF counta
MOVLW 0x01
MOVWF countb
delay_0
DECFSZ counta,1
GOTO $+2
DECFSZ countb,1
GOTO delay_0
DECFSZ count1,1
GOTO d1
RETURN
END


báo lỗi:
Release build of project `E:\do an\do an cau truc may tinh\2132012\code\testIO.mcp' started.
Language tool versions: MPASMWIN.exe v5.42, mplink.exe v4.40, mplib.exe v4.40
Fri Mar 23 11:59:09 2012
----------------------------------------------------------------------
Clean: Deleting intermediary and output files.
Clean: Deleted file "E:\do an\do an cau truc may tinh\2132012\code\chay led.err".
Clean: Deleted file "E:\do an\do an cau truc may tinh\2132012\code\chay led.lst".
Clean: Deleted file "E:\do an\do an cau truc may tinh\2132012\code\testIO.cof".
Clean: Deleted file "E:\do an\do an cau truc may tinh\2132012\code\testIO.hex".
Clean: Done.
Executing: "C:\Program Files (x86)\Microchip\MPASM Suite\MPASMWIN.exe" /q /p16F877A "toiuunhuocdiemIO.asm" /l"toiuunhuocdiemIO.lst" /e"toiuunhuocdiemIO.err" /o"toiuunhuocdiemIO.o"
Warning[205] E:\DO AN\DO AN CAU TRUC MAY TINH\2132012\CODE\TOIUUNHUOCDIEMIO.ASM 2 : Found directive in column 1. (processor)
Warning[205] E:\DO AN\DO AN CAU TRUC MAY TINH\2132012\CODE\TOIUUNHUOCDIEMIO.ASM 3 : Found directive in column 1. (include)
Warning[205] E:\DO AN\DO AN CAU TRUC MAY TINH\2132012\CODE\TOIUUNHUOCDIEMIO.ASM 4 : Found directive in column 1. (__CONFIG)
Error[151] E:\DO AN\DO AN CAU TRUC MAY TINH\2132012\CODE\TOIUUNHUOCDIEMIO.ASM 26 : Operand contains unresolvable labels or is too complex
Message[302] E:\DO AN\DO AN CAU TRUC MAY TINH\2132012\CODE\TOIUUNHUOCDIEMIO.ASM 38 : Register in operand not in bank 0. Ensure that bank bits are correct.
Warning[205] E:\DO AN\DO AN CAU TRUC MAY TINH\2132012\CODE\TOIUUNHUOCDIEMIO.ASM 142 : Found directive in column 1. (END)
Halting build on first failure as requested.
----------------------------------------------------------------------
Release build of project `E:\do an\do an cau truc may tinh\2132012\code\testIO.mcp' failed.
Language tool versions: MPASMWIN.exe v5.42, mplink.exe v4.40, mplib.exe v4.40
Fri Mar 23 11:59:13 2012
----------------------------------------------------------------------
BUILD FAILED