org 256

	cld
	xor cx,cx
	xor si,si

getchar	mov ah,08h
	int 21h
	cmp al,27
	jz exit

	push ax
	sub al,'0'
	mov bx,10
	cmp al,bl
	jnc notnumb

	cbw
	xchg ax,bx
	mul si
	add ax,bx
	xchg ax,si
	mov cl,4	
	mov di,bracket+2
	jmp short putchar

notnumb jcxz putchar
	mov bl,16
	xchg ax,si
hexdump mul bx
	push ax
	xchg ax,dx
	add al,90h
	daa
	adc al,40h
	daa
	stosb
	pop ax
	loop hexdump
	xchg ax,si
	mov dx,bracket
	mov ah,9
	int 21h

putchar pop ax
	int 29h
	jmp short getchar

exit	ret

bracket db " (    h) $"