3_1_3.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 
      W1 dw 1234H
      W2 dw 1010H     
      W3 dw ?
      W4 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 dx,0000H
      mov ax,W1 ;ax 1471
      sub ax,W2 ;ax 1234
      mov bl,0AH;ax 0224
      mov bh,00H
      div bx    ;bx 000A
      mov W4,ax ;ax 0036,dx 0008
      mov W3,dx ;W4 0036
                ;W3 0008
      ret
                ;result right
begin   endp
code    ends
      end begin