prog6_14.asm

来自「汇编语言-王爽 源代码 加 卜艳萍版源代码」· 汇编 代码 · 共 26 行

data  segment
      strn  db 'xcvfattdrqjhi...','$'
      leng  db 0
data  ends
code  segment
      assume  cs:code,ds:data
start:mov  ax,data
      mov  ds,ax
      mov  ax,0
      mov  dx,ax
      lea  di,strn
      mov  cx,100
      mov  al,'$'
lp:   cmp  al,[di]
      je  done
      inc  dx
      inc  di
      loop  lp
done: mov  leng,dl
      mov  ah,4ch
      int  21h
code  ends
      end  start