org 0x100
begin:
    mov ax, 0x0923
    inc al
    mov [end], al
    mov dx, msg
    int 0x21
    int 0x21
    ret
msg:
    db 0xb8, 0x23, 0x09, 0xfe, 0xc0, 0xa2, 0x20, 0x01
    db 0xba, 0x10, 0x01, 0xcd, 0x21, 0xcd, 0x21, 0xc3
end: