Giúp em giải quyết lỗi này với

[nguoimatri]

processor    16f877a 
	include  	<p16f877a.inc>
	__CONFIG    _CP_OFF & _WDT_OFF & _BODEN_OFF & _PWRTE_ON & _XT_OSC &   _WRT_OFF & _LVP_ON & _CPD_OFF   	
;----------------------------------------
	ORG		0x000
	GOTO	start
start
	BCF	    STATUS,RP1
	BSF 	STATUS,RP0 ;chon Bank 1
	CLRF	TRISB
	BCF		STATUS,RP0; Chon Bank 0
	MOVLW	b'10001111'
	MOVWF	PORTB
loop
	GOTO	loop
	END

Em build all thì nó báo lỗi liên kết.Loay hoay suốt từ hôm qua đến giờ. Bó tay thật rồi.

Clean: Deleting intermediary and output files.
Clean: Deleted file "C:\Documents and Settings\successisajourney\Desktop\PIC\vidu1.o".
Clean: Deleted file "C:\Documents and Settings\successisajourney\Desktop\PIC\vidu1.lst".
Clean: Deleted file "C:\Documents and Settings\successisajourney\Desktop\PIC\vidu1.mcs".
Clean: Done.
Executing: "C:\Program Files\Microchip\MPASM Suite\MPAsmWin.exe" /q /p16F877A "vidu1.asm" /l"vidu1.lst" /e"vidu1.err" /o"vidu1.o"
Message[302] C:\DOCUMENTS AND SETTINGS\SUCCESSISAJOURNEY\DESKTOP\PIC\VIDU1.ASM 10 : Register in operand not in bank 0. Ensure that bank bits are correct.
Executing: "C:\Program Files\Microchip\MPASM Suite\MPLink.exe" "C:\Program Files\Microchip\MPASM Suite\LKR\16f877a.lkr" "C:\Documents and Settings\successisajourney\Desktop\PIC\vidu1.o" /o"vidu1.cof" /M"vidu1.map" /W
MPLINK 4.14, Linker
Copyright (c) 2007 Microchip Technology Inc.
Error - section '.org_0' can not fit the absolute section. Section '.org_0' start=0x00000000, length=0x00000010
Errors : 1

Link step failed.
BUILD FAILED: Wed Jan 23 11:24:36 2008