6.asm

华工电信系汇编习题的编程实现

stack segment stack 'stack'
      dw 32 dup(?)
stack ends

data segment
     D1 dw 0607H
     D2 dw 0508H
data ends

code segment
begin proc far
      assume ss:stack,cs:code,ds:data
      push ds
      sub ax,ax
      push ax
      mov ax,data
      mov ds,ax

      mov ax,D1
      mov dx,D2
      sub ah,dh
      mov dh,0
      sub al,dl
      aas
      mov cl,al
      add ax,03030H

      mov bx,ax
      mov dl,bh
      mov ah,2
      int 21H

      mov dl,bl
      mov ah,2
      int 21H

      ret
begin endp
code ends
     end begin