prompt proc near                    ;give the  prompt information start5:push ax          push dx          mov ax,0900h          mov dx,offset hey2          int 21h                   mov ax,0200h          mov dl,[si]          int 21h                   mov ax,0900h          mov dx,bx          int 21h          pop dx          pop ax          ret prompt endp ;--------------------------------------------------------------------------------------------------------------------------------------------- firstr proc near                             ;the traversing of first root           push ax           push dx           mov dx,offset hey5           mov ax,0900h           int 21h                    mov si,offset binary start6:mov dl,[si]           mov ax,0200h           int 21h           add si,3           cmp byte ptr[si],0           jz re           jmp start6 re:     pop dx           pop ax           ret firstr endp ;-------------------------------------------------------------------------------------------------------------------------------------------- midr proc near start7:push ax           push dx       call midrl       mov ax,0200h       mov dl,[si]       int 21h      call midrr          pop dx       pop ax       ret midr endp ;----------------------------------------------------------------------------------------------------------------------------------------- midrl proc near start9:push ax           push dx           cmp byte ptr[si+1],0       jz exit2           push si      mov si,offset binary      add si,cx      add cx,3          call midr      pop si exit2: pop dx           pop ax       ret midrl endp

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