Question

急问：使用伟福汇编器输入程序后，进行编译后，出现对话框说：行：6，错误：353；符号未定义：TAB<AA.ASM>

各位汇编高手大哥大姐帮忙一下，程序在下面，错误是两个，两个都是符号未定义，一个是TAB,一个是DELAY_1MS

ROW EQU 30H
DOT EQU 31H
ORG 0000H
AJMP MAIN
ORG 0030H
MAIN: MOV DPTR,#TAB
MOV R5,#15
START: MOV R6,#250
ONE_CHAR:MOV ROW,#01H
MOV DOT,#00H
MOV R7,#08H
NEXT_COL:MOV A,ROW
MOV P1,A
RL A
MOV ROW,A
MOV A,DOT
MOVC A,@A+DPTR
MOV P0,A
LCALL DELAY_1MS
INC DOT
DJNZ R7,NEXT_COL
DJNZ R6,ONE_CHAR
MOV A,DPL
ADD A,#8
MOV DPL,A
MOV A,DPH
ADDC A,#0
MOV DPH,A
DJNZ R5,START
LJMP MAIN
END
TAB: DB 0FFH,0FFH,7FH,0FFH,0FFH,0FFH,7FH,0FFH
DB 0FFH,0FFH,3FH,0FFH,0FFH,7FH,0BFH,0FFH
DB 0FFH,0FFH,3FH,0FFH,0FFH,0BH,0DFH,0FFH
DB 7FH,7FH,0FH,7FH,0BFH,0DFH,0EFH,0FFH
DB 0BFH,0BFH,03H,0DFH,5FH,0EFH,0FEH,0FFH
DB 0BFH,0BFH,07H,0DFH,0AFH,77H,0FBH,0FFH
DB 0EFH,0EFH,01H,0EFH,0D7H,0BBH,7DH,0FFH
DB 0F7H,0F7H,80H,0F7H,0EBH,0DDH,0BEH,0FFH
DB 0FBH,0FDH,0C0H,0FBH,0F5H,0EEH,0DFH,0FFH
DB 0FDH,0FDH,0D0H,0FDH,0FAH,0F7H,0EFH,0FFH
DB 0FEH,0FFH,0F0H,0FEH,0FDH,0FBH,0F7H,0FFH
DB 0FFH,0FFH,0F7H,0FFH,0FEH,0FDH,0FBH,0FFH
DB 0FFH,0FFH,0F3H,0FFH,0FFH,0FEH,0FDH,0FFH
DB 0FFH,0FFH,0F1H,0FFH,0FFH,0FFH,0FEH,0FFH
DB 0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH
END
DELAY_1MS:MOV R4,#250
D0: NOP
NOP
DJNZ R4,D0
RET
END

Answer 1

呵呵，
你的程序里面，竟有几个“END”!
只应该在最后，保留一个即可。