11.asm

来自「华工电信系汇编习题的编程实现」· 汇编 代码 · 共 36 行

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

data segment 
     X dw 01FF0H
     Y dw 02FF0H
     Z dw ?
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,X
      mov bx,Y
      cmp ax,bx
      JB XIAOYU
      sub ax,bx
      mov Z,ax
      JMP MYEND
XIAOYU:
      sub bx,ax
      mov z,bx
MYEND:

      ret
begin   endp
code    ends
      end begin