data segment
    file db 'output.txt'
    s db 'hui '
    s1 db 'pizda'
    handle dw 0
    buf dw 128 dup(0)
data ends

code segment
assume cs:code,ds:data
begin:
    mov ax, data
    mov ds,ax


    cld
    mov di,buf
    lea si, s
    mov cx, 4
    rep movsb

    cld
    mov di,buf
    lea si, s1
    mov cx, 5
    rep movsb

    mov ax,3d01h
    lea dx,file
    int 21h
    mov handle,ax

    xor ax,ax
    mov ah,40h
    mov bx,handle
    lea dx,buf
    mov cx,9
    int 21h

    mov ax,4c00h
    int 21h

code ends
end begin