lab4 initial

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diff --git a/lab4/VGA_MOTOR/VGA_lab.vhd b/lab4/VGA_MOTOR/VGA_lab.vhd
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+--------------------------------------------------------------------------------
+-- VGA lab
+-- Anders Nilsson
+-- 16-dec-2015
+-- Version 1.0
+
+
+-- library declaration
+library IEEE;
+use IEEE.STD_LOGIC_1164.ALL;            -- basic IEEE library
+use IEEE.NUMERIC_STD.ALL;               -- IEEE library for the unsigned type
+                                        -- and various arithmetic operations
+
+-- entity
+entity VGA_lab is
+  port ( clk	                : in std_logic;                         -- system clock
+	 rst                    : in std_logic;                         -- reset
+	 Hsync	                : out std_logic;                        -- horizontal sync
+	 Vsync	                : out std_logic;                        -- vertical sync
+	 vgaRed	                : out	std_logic_vector(2 downto 0);   -- VGA red
+	 vgaGreen               : out std_logic_vector(2 downto 0);     -- VGA green
+	 vgaBlue	        : out std_logic_vector(2 downto 1));     -- VGA blue
+end VGA_lab;
+
+
+-- architecture
+architecture Behavioral of VGA_lab is
+
+  -- picture memory component
+  component PICT_MEM
+    port ( clk			: in std_logic;                         -- system clock
+	 -- port 1
+           we1		        : in std_logic;                         -- write enable
+           data_in1	        : in std_logic_vector(7 downto 0);      -- data in
+           data_out1	        : out std_logic_vector(7 downto 0);     -- data out
+           addr1	        : in unsigned(10 downto 0);             -- address
+	 -- port 2
+           we2			: in std_logic;                         -- write enable
+           data_in2	        : in std_logic_vector(7 downto 0);      -- data in
+           data_out2	        : out std_logic_vector(7 downto 0);     -- data out
+           addr2		: in unsigned(10 downto 0));            -- address
+  end component;
+	
+  -- VGA motor component
+  component VGA_MOTOR
+    port ( clk			: in std_logic;                         -- system clock
+           rst			: in std_logic;                         -- reset
+           data			: in std_logic_vector(7 downto 0);      -- data
+           addr			: out unsigned(10 downto 0);            -- address
+           vgaRed		: out std_logic_vector(2 downto 0);     -- VGA red
+           vgaGreen	        : out std_logic_vector(2 downto 0);     -- VGA green
+           vgaBlue		: out std_logic_vector(2 downto 1);     -- VGA blue
+           Hsync		: out std_logic;                        -- horizontal sync
+           Vsync		: out std_logic);                       -- vertical sync
+  end component;
+	
+  -- intermediate signals between PICT_MEM and VGA_MOTOR
+  signal	data_out2_s     : std_logic_vector(7 downto 0);         -- data
+  signal	addr2_s		: unsigned(10 downto 0);                -- address
+	
+begin
+
+  -- picture memory component connection
+  U1 : PICT_MEM port map(clk=>clk, we1=>'0', data_in1=>"00000000", addr1=>"00000000000", we2=>'0', data_in2=>"00000000", data_out2=>data_out2_s, addr2=>addr2_s);
+	
+  -- VGA motor component connection
+  U2 : VGA_MOTOR port map(clk=>clk, rst=>rst, data=>data_out2_s, addr=>addr2_s, vgaRed=>vgaRed, vgaGreen=>vgaGreen, vgaBlue=>vgaBlue, Hsync=>Hsync, Vsync=>Vsync);
+
+end Behavioral;
+