--
-- Playstation Controller Interface
-- Demo - light up Spartan 3e leds based on status of directional pad and shape buttons
--

-- 2/21/2007 Modified by Scott Sirowy
-- 2/12/05   Created  by Ryan Mannion
-- 
--

library IEEE;
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.STD_LOGIC_ARITH.ALL;
use IEEE.STD_LOGIC_UNSIGNED.ALL;

entity top is
    port (
			reset:	    in std_logic;
			clock:	    in std_logic;
			psxdata:	in std_logic;
			psxatt:	    out std_logic;
			psxclk:	    out std_logic;
			psxcmd:	    out std_logic;
			psxack:	    in std_logic;

			leds:	    out std_logic_vector(7 downto 0)
    );
end top;

architecture bhv of top is
    component psx is
	port (
	    reset:	in std_logic;
	    clock:	in std_logic;
	    psxdata:	    in std_logic;
	    psxatt:	out std_logic;
	    psxclk:	out std_logic;
	    psxcmd:	out std_logic;
	    psxack:	in std_logic;

	    btn_up:	out std_logic;
	    btn_down:	    out std_logic;
	    btn_left:	    out std_logic;
	    btn_right:	out std_logic;
	    btn_select:	out std_logic;
	    btn_start:	out std_logic;
	    btn_triangle:   out std_logic;
	    btn_x:	out std_logic;
	    btn_square:	out std_logic;
	    btn_circle:	out std_logic;
	    btn_l1:	out std_logic;
	    btn_l2:	out std_logic;
	    btn_r1:	out std_logic;
	    btn_r2:	out std_logic
	);
    end component;
begin
    U_psx: psx port map(
						reset 		=>	   reset,
						clock 		=>	   clock,
						psxdata 		=>		psxdata,
						psxatt 		=>	   psxatt,
						psxclk 		=>	   psxclk,
						psxcmd 		=>	   psxcmd,
						psxack 		=>	   psxack,

						btn_up 		=>	   leds(7),
						btn_down 	=>		leds(6),
						btn_left 	=>		leds(5),
						btn_right 	=>	   leds(4),

						btn_select 	=>	   open,
						btn_start 	=>	   open,

						btn_triangle =>	leds(3),
						btn_x 		=>	   leds(2),
						btn_square 	=>	   leds(1),
						btn_circle 	=>	   leds(0),

						btn_l1 		=>	    open,
						btn_l2 		=>	    open,
						btn_r1 		=>	    open,
						btn_r2 		=>	    open
    );

end bhv;