e6_10.asm

ZHUYAO ZSHI LAI JIECHUADE LAIDE

stack segment stack
      db 256 dup(?)
stack ends
data segment
     asc db 35h,38h,4dh,39h,80h,32h
     cou =$-asc
         db cou dup(?)
data ends
code segment
     assume cs:code,ds:data,ss:stack
star:mov ax,data
     mov ds,ax
     mov cx,cou
     lea di,asc
lab1:mov bl,0ffh
     mov al,[di]
     cmp al,3ah
     jnb ok
     sub al,30h
     jc  ok
     mov bl,al
ok:  mov al,bl
     mov [di+cou],al
     inc di
     loop lab1
     mov ah,4ch
     int 21h
code ends
     end star