; IN:
;  ax = number to convert
;  ds:bx = storage buffer
; OUT:
;  ds:bx = start of converted number
itoa:
	push ax
	push cx
	push dx

	mov cx, 10

	add bx, 5
	mov byte [bx], 0

	.convert_loop:
		test ax, ax
		jz .end

		xor dx, dx
		div cx

		add dl, '0'
		dec bx
		mov byte [bx], dl

		jmp .convert_loop

	.end:
		pop dx
		pop cx
		pop ax
		ret