שאלה 7 בגרות 2009

; multi-segment executable file template.

data segment
    ; add your data here!
    pkey db "press any key...$"
    arr1 DB 36dup (?)
    arr2 DB 36dup (?)
ends

stack segment
    dw   128  dup(0)
ends

code segment
start:
; set segment registers:
    mov ax, data
    mov ds, ax
    mov es, ax

mov si,0
mov bx,0
mov cx,36

first:
mov ax,arr1[bx]
jmp before_check:
a1:
  mov arr2[si],ax
  inc si
  inc bx

  loop first
  jmp finish

before_check:
mov di,0
check:
mov dx,arr2[di]
cmp ax,dx
jz a2
inc di
cmp di,36
jz a1
jmp check

a2:
inc bx
jmp first

finish: nop

    lea dx, pkey
    mov ah, 9
    int 21h        ; output string at ds:dx

    ; wait for any key....
    mov ah, 1
    int 21h

    mov ax, 4c00h ; exit to operating system.
    int 21h
ends

end start ; set entry point and stop the assembler.