diff options
Diffstat (limited to 'lab4/VGA_lab.vhd')
| -rw-r--r-- | lab4/VGA_lab.vhd | 92 |
1 files changed, 46 insertions, 46 deletions
diff --git a/lab4/VGA_lab.vhd b/lab4/VGA_lab.vhd index 5aeca02..8d3c612 100644 --- a/lab4/VGA_lab.vhd +++ b/lab4/VGA_lab.vhd @@ -13,15 +13,15 @@ use IEEE.NUMERIC_STD.ALL; -- IEEE library for the unsigned type -- 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 - PS2KeyboardCLK : in std_logic; -- PS2 clock - PS2KeyboardData : in std_logic); -- PS2 data + 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 + PS2KeyboardCLK : in std_logic; -- PS2 clock + PS2KeyboardData : in std_logic); -- PS2 data end VGA_lab; @@ -30,52 +30,52 @@ architecture Behavioral of VGA_lab is -- PS2 keyboard encoder component component KBD_ENC - port ( clk : in std_logic; -- system clock - rst : in std_logic; -- reset signal - PS2KeyboardCLK : in std_logic; -- PS2 clock - PS2KeyboardData : in std_logic; -- PS2 data - data : out std_logic_vector(7 downto 0); -- tile data - addr : out unsigned(10 downto 0); -- tile address - we : out std_logic); -- write enable + port ( clk : in std_logic; -- system clock + rst : in std_logic; -- reset signal + PS2KeyboardCLK : in std_logic; -- PS2 clock + PS2KeyboardData : in std_logic; -- PS2 data + data : out std_logic_vector(7 downto 0); -- tile data + addr : out unsigned(10 downto 0); -- tile address + we : out std_logic); -- write enable end component; -- 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 + 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 + 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 KBD_ENC and PICT_MEM - signal data_s : std_logic_vector(7 downto 0); -- data - signal addr_s : unsigned(10 downto 0); -- address - signal we_s : std_logic; -- write enable - + signal data_s : std_logic_vector(7 downto 0); -- data + signal addr_s : unsigned(10 downto 0); -- address + signal we_s : std_logic; -- write enable + -- 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 - + signal data_out2_s : std_logic_vector(7 downto 0); -- data + signal addr2_s : unsigned(10 downto 0); -- address + begin -- keyboard encoder component connection @@ -83,7 +83,7 @@ begin -- picture memory component connection U1 : PICT_MEM port map(clk=>clk, we1=>we_s, data_in1=>data_s, addr1=>addr_s, 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); |