code segment assume cs:code org 100hstart: jmp bbbdata db 255n db ?buff db 255 dup(?)bbb: push cs pop ds push cs pop es lea dx, data mov ah,10 int 21h ; 从键盘输入字符串,字符串的字符个数在n中,串的开始地址为buff首地址 ........... mov ah,4ch int 21hcode ends end start