| Line 268... |
Line 268... |
);
|
);
|
end component;
|
end component;
|
|
|
----------------------------------------
|
----------------------------------------
|
--
|
--
|
|
-- Parameterized Block RAM
|
|
--
|
|
----------------------------------------
|
|
|
|
component block_spram
|
|
generic (
|
|
dwidth : integer := 8; -- parameterized data width
|
|
awidth : integer := 16 -- parameterized address width
|
|
);
|
|
port (
|
|
clk : in std_logic;
|
|
cs : in std_logic; -- chip-select/enable
|
|
addr : in std_logic_vector(awidth-1 downto 0);
|
|
rw : in std_logic;
|
|
data_in : in std_logic_vector(dwidth-1 downto 0);
|
|
data_out : out std_logic_vector(dwidth-1 downto 0)
|
|
);
|
|
end component;
|
|
|
|
----------------------------------------
|
|
--
|
-- 32KBytes Block RAM 0000
|
-- 32KBytes Block RAM 0000
|
-- $0000 - $7FFF
|
-- $0000 - $7FFF
|
--
|
--
|
----------------------------------------
|
----------------------------------------
|
|
|
| Line 544... |
Line 565... |
addr => cpu_addr(12 downto 0),
|
addr => cpu_addr(12 downto 0),
|
data_out => flex_data_out,
|
data_out => flex_data_out,
|
data_in => cpu_data_out
|
data_in => cpu_data_out
|
);
|
);
|
|
|
my_32k : ram_32k
|
my_32k : block_spram
|
|
generic map (dwidth => 8, awidth => 15)
|
port map (
|
port map (
|
clk => cpu_clk,
|
clk => cpu_clk,
|
rst => cpu_reset,
|
--rst => cpu_reset,
|
cs => ram1_cs,
|
cs => ram1_cs,
|
rw => cpu_rw,
|
rw => cpu_rw,
|
addr => cpu_addr(14 downto 0),
|
addr => cpu_addr(14 downto 0),
|
data_out => ram1_data_out,
|
data_out => ram1_data_out,
|
data_in => cpu_data_out
|
data_in => cpu_data_out
|
);
|
);
|
|
|
my_16k : ram_16k
|
my_16k : block_spram
|
|
generic map (dwidth => 8, awidth => 14)
|
port map (
|
port map (
|
clk => cpu_clk,
|
clk => cpu_clk,
|
rst => cpu_reset,
|
--rst => cpu_reset,
|
cs => ram2_cs,
|
cs => ram2_cs,
|
rw => cpu_rw,
|
rw => cpu_rw,
|
addr => cpu_addr(13 downto 0),
|
addr => cpu_addr(13 downto 0),
|
data_out => ram2_data_out,
|
data_out => ram2_data_out,
|
data_in => cpu_data_out
|
data_in => cpu_data_out
|
