看看哪里有错导致最后运行有错误

ORG 0000H
MOV A,#0BH
MOV 0BH,A
MOV DPTR,#0BH
MOVX @DPTR,A
SWAP A
PUSH ACC
MOV R1,#0BH
MOV A,#10
ADD A,R1
INC A
RLC A
MOV R2,#0BH
MOV A,#10
ANL A,R2
Dely0: MOV R2,#011
Dely1: DJNZ R2,Dely1
AJMP A1
END
最后运行后出现问题:error A45 :UNDEFINED SYHBOL(PASS-2)