prog6_23.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
      buff  dw  3000h,3300h,50
data  ends
code  segment
      assume  cs:code,ds:data,es:data,ss:stack
start:mov  ax,data
      mov  ds,ax
      mov  es,ax
      lea  bx,buff
      call  sub1
      mov  ah,4ch
      int  21h
sub1  proc
      push  si
      push  di
      push  cx
      mov  si,[bx]
      mov  di,[bx+2]
      mov  cx,[bx+4]
 rep  movsb
      pop  cx
      pop  di
      pop  si
      ret
sub1  endp
code  ends
      end  start