将不同代码放入不同段中

assume cs:code ds:data ss:stack
data segment
    dw 0123h,0345h
data ends

stack segment
    dw 0,0,0,0,0,0
stack ends

code segment
 start:  mov ax,stack
      mov ss,ax
      mov sp,20h
      
      mov ax,data
      mov ds,ax
      mov bx,0 //ds:bx指向data中第一个内存单元
      
      mov cx,8
    s: push [bx]
      add bx,2
      loop s
      mov bx,0
      
      mov cx,8
    s0:pop [bx]
      add bx,2
      loop s0
      
      mov ax,4c00h
      int 21h
 code ends
end start