start:mov ax,datasg mov ds,ax mov si,0 mov di,

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 16:13:50
start:movax,datasgmovds,axmovsi,0movdi,start:movax,datasgmovds,axmovsi,0movdi,start:movax,datasgmovd

start:mov ax,datasg mov ds,ax mov si,0 mov di,
start:mov ax,datasg mov ds,ax mov si,0 mov di,

start:mov ax,datasg mov ds,ax mov si,0 mov di,
前两句初始化数据段;
mov si,0;给SI 赋值为0,SI常用于源操作数的偏移地址
mov di,16;给DI赋值16,DI常用于目的操作数的偏移地址