-- This program implements a multiplier of 3 bits vectors after event ,
-- using IEEE.STD_LOGIC_ARITH.ALL

LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.STD_LOGIC_ARITH.ALL;


ENTITY mul3x3 IS

  PORT (clk_in: IN STD_LOGIC;
  		a,b: IN INTEGER RANGE 0 TO 7; 
		product: OUT INTEGER RANGE 0 TO 63);
END mul3x3;

ARCHITECTURE multiplier OF mul3x3 IS


BEGIN
  PROCESS(clk_in)
  BEGIN
	IF clk_in'EVENT AND clk_in = '0' THEN  
		product <= a * b;
	END IF;
  END PROCESS;

END multiplier;