added byte enable, tested ldi, ldb, stb

[calu.git] / cpu / src / mem_pkg.vhd

diff --git a/cpu/src/mem_pkg.vhd b/cpu/src/mem_pkg.vhd
index c8ab2b8e0cf19fd2adcfd324770f42f8596a982c..2c66fb34d5b60d52f9e9888ea8e63186dd757f43 100644 (file)
--- a/cpu/src/mem_pkg.vhd
+++ b/cpu/src/mem_pkg.vhd
@@ -24,6 +24,25 @@ package mem_pkg is
                );
        end component r_w_ram;
 
+       component r_w_ram_be is
+       generic (
+                               ADDR_WIDTH : integer range 1 to integer'high
+                       );
+       port(
+               clk : in std_logic;
+
+               waddr, raddr : in std_logic_vector(ADDR_WIDTH-1 downto 0);
+
+               be : in std_logic_vector (3 downto 0);
+               
+               we : in std_logic;
+
+               wdata : in std_logic_vector(31 downto 0);
+               
+               q : out std_logic_vector(31 downto 0)
+       );
+       end component r_w_ram_be;
+
        component rom is
        generic (
                                ADDR_WIDTH : integer range 1 to integer'high;