程序代码：

 assume cs:code,ds:data,ss:stack
        data segment
                db'welcome to masm!'
                db 00000010b,00100100b,01110001b
        data ends
        stack segment
                dw 0,0,0,0,0,0,0,0
        stack ends
        code segment
       start: mov ax,data
              mov ds,ax
              mov ax,stack
              mov ss,ax
              mov sp,0010h
              mov bx,0000h
              mov ax,0b800h
              mov es,ax
              mov ax,0
              mov di,0010h
              mov cx,3
         s:   push cx
              mov cx,16
              mov si,0
         s0:  mov al,ds:[si]
              mov ah,ds:[di]
              mov es:[bx+07b6h],ax
              inc si
              add bx,2
              loop s0
              inc di
              pop cx
              loop s
              mov ax,4c00h
              int 21h
         code ends
         end start