[org 0x1000]

start:
	mov ah, 01h	;make cursor invisible
	mov cx, 2607h
	int 10h

	mov ah, 06h    ; Scroll up function
	xor al, al     ; Clear entire screen
	xor cx, cx     ; Upper left corner CH=row, CL=column
	mov dx, 184FH  ; lower right corner DH=row, DL=column
	mov bh, 1Eh    ; YellowOnBlue
	int 10H		; execute interrupt

	mov ah, 06h	;draw rect on background
	mov cx, 0101h
	mov dx, 164Dh
	mov bh, 3Eh
	int 10h

        mov ah, 06h     ;draw shadow
        mov cx, 1702h
        mov dx, 174Eh
        mov bh, 0Eh
        int 10h
        mov ah, 06h     ;draw shadow
        mov cx, 024Eh
        mov dx, 174Eh
        mov bh, 0Eh
        int 10h


	mov ah, 02h     ;sets cursor to top to write
        mov bh, 0h
        mov dh, 1h
        mov dl, 1h
        int 10h

	mov al, 0xC9 ;draw border
        mov bl, 0x03
        mov ah,0x0e
        int 10h
        mov al, 0xCD
        mov bl, 0x03
        mov ah,0x0e
        int 10h

	mov ah, 02h	;sets cursor to top to write
	mov bh, 0h
	mov dh, 4h
	mov dl, 4h
	int 10h

	mov si, msg1
	call print
	mov si, msg2


print:
        lodsb
        or al,al
        jz exit
        mov bl, 0x03
        mov ah,0x0e
        int 10h
        jmp print
        exit:
        ret



msg1 db "    X P U B",0x0A,0
msg2 db "    NOT MY DEFAULT",0x0D,0x0A,0