Học PIC trong 1 ngày (Upd. 01/01/2006)

[vudinhlieu]

Vì quá kém cỏi đành xin trưởng lão thọ giáo thêm chút nữa !
vì sao chương trình này em viết dịch bị lỗi !

;====================================
; bai tap 2
; mach den chop 8 led tu trai qua phai
;ngay bat dau :12/08/2006
;nguoi thuc hien : vu dinh lieu 
;mo ta phan cung : Dung PIC16F628A - thach anh 4MHz
;		: LED giao tiep voi PORTB
;		: Cuc am cua LED noi voi GND
;		: RB0 - RB7 la cac chan output 
; Chu thich	:
; dùng thanh ghi W ghi vào giá tri 00000001
; xuat ra PORTB
; delay
; dùng lenh dich trai portB  
; xuat ra PORTB                                                      15
;====================================================================
		TITLE 		"Mach chop 8 LED_1"
		PROCESSOR	P16F628A
		INCLUDE 	<P16F628A.inc>
		__CONFIG   	_CP_OFF	& _PWRTE_ON & _WDT_OFF &_HS_OSC

;=======================================================
count1 EQU 0x20 ; cac bien dung cho doan chuong trinh delay
counta EQU 0x21
countb EQU 0x22
;===============================================================================
		ORG	0x0000
		GOTO	MAIN
		ORG	0x0005
MAIN		                                              
		BANKSEL	TRISB		; bank select
		CLRF	TRISB		; trisb = 00000000
; portb = output
LOOP
		BANKSEL	PORTB
		MOVLW 	0x01
		MOVWF	PORTB		; rb = 00000001
		CALL	delay_100ms
		RLF		PORTB,f
		GOTO	LOOP
		GOTO		$		; dung chuong trinh tai day
						; vong lap tai cho^~
						; khong bao gio ket thuc
delay_100ms ; label bat dau chuong trinh con
		MOVLW d'100' ; doan code cho chuong trinh con delay 100 ms
		MOVWF count1
d1
		MOVLW d'199'
		MOVWF counta
		MOVLW d'1'                              
		MOVWF countb
delay_0 
		DECFSZ	counta,f
		GOTO	$+2 
		DECFSZ	countb,f
		GOTO	delay_0 
		DECFSZ	count1,f 
		GOTO	d1   
		RETURN	
		END

và các lỗi nhận cược nhu sau
Make: The target "E:\pic1\baitap2.o" is out of date.
Executing: "C:\Program Files\Microchip\MPASM Suite\MPAsmWin.exe" /q /p16F628A "baitap2.asm" /l"baitap2.lst" /e"baitap2.err" /o"baitap2.o"
Warning[215] E:\PIC1\BAITAP2.ASM 18 : Processor superseded by command line. Verify processor symbol.
Message[302] E:\PIC1\BAITAP2.ASM 32 : Register in operand not in bank 0. Ensure that bank bits are correct.
Error[113] E:\PIC1\BAITAP2.ASM 54 : Symbol not previously defined ( )
Error[112] E:\PIC1\BAITAP2.ASM 54 : Missing operator
Error[113] E:\PIC1\BAITAP2.ASM 57 : Symbol not previously defined (f )
Error[113] E:\PIC1\BAITAP2.ASM 58 : Symbol not previously defined (d1 )
Halting build on first failure as requested.
BUILD FAILED: Sat Aug 12 18:02:25 2006