prog6_18.asm

汇编语言-王爽 源代码 加 卜艳萍版源代码

stack  segment stack
       dw  256 dup(?)
stack  ends
data  segment
grade  db  89,76,100,65,87
       db  56,87,67,77,80
       db  66,89,75,84,76
       db  68,98,90,83,85
       db  78,97,79,100,81
avebuf db  5 dup(?) 
data  ends
code  segment
      assume  cs:code,ds:data,ss:stack
start:mov  ax,data
      mov  ds,ax
      mov  bx,offset grade
      mov  di,offset avebuf
      mov  si,bx
      mov  cx,5
   a1:mov  bx,si
      sub  bx,5
      push  cx
      mov  al,0
      mov  cx,5
   a2:add  bx,5
      add  al,[bx]
      loop  a2
      mov  ah,0
      mov  dl,5
      div  dl
      mov  [di],al
      inc  si
      inc  di
      pop  cx
      loop  a1
      mov  ah,4ch
      int  21h
code  ends
      end  start