汇编源程序 scans.asm D: MASMIMASM Scans Microsoft(r) Macro Assembler Version 5.10 Copyright(C)Microsoft Corp 1981, 1988. All rights reserved. scans.ASM(1): error A2009: Symbol not defined: DOH scans.ASM(9): error A2009: Symbol not defined: KEY 49924+ 419241 Bytes symbol space free 0 Warning Errors 2 Severe Errors D: masm> 汇编程序提示出错的行号,据此可修改程序中的语法错误。11 汇编源程序scans.asm D:\MASM\MASM scans; Microsoft (R) Macro Assembler Version 5.10 Copyright (C) Microsoft Corp 1981, 1988. All rights reserved. scans.ASM (1 ) : error A2009: Symbol not defined: D0H scans.ASM (9 ) : error A2009: Symbol not defined: KEY 49924 + 419241 Bytes symbol space free 0 Warning Errors 2 Severe Errors D:\masm> 汇编程序提示出错的行号，据此可修改程序中的语法错误