《Intel汇编第5版》 汇编拷贝字符串

一、字符串定义

  

二、dup指令

  

三、调用Writestring过程

  

四、代码以及效果

  

TITLE String Copy

INCLUDE Irvine32.inc
includelib Irvine32.lib
includelib kernel32.lib
includelib user32.lib

.data

source    BYTE    "this is source string",0
target    BYTE    SIZEOF    source    dup(0),0

.code
main PROC
    
    mov esi,0
    mov ecx,SIZEOF    source
    L1:
    mov al,source[esi]
    mov target[esi],al
    inc esi
    loop L1
    mov edx,OFFSET    target
    call WriteString
    ret

main endp
END main

效果:

  

原文地址:https://www.cnblogs.com/doudouyoutang/p/4929020.html