init

code/vezba2-1/vezba2/v2_memory.sv

@@ -0,0 +1,41 @@
+`ifndef MEMORY_SV
+ `define MEMORY_SV
+
+module memory #(
+                parameter ADDR_WIDTH = 2,
+                parameter DATA_WIDTH = 8
+                )
+   (
+    input logic                     clk,
+    input logic                     rst,
+    input logic [ADDR_WIDTH-1 : 0]  addr_i,
+    input logic                     rw_i,
+    input logic                     en_i,
+    input logic [DATA_WIDTH-1 : 0]  data_i,
+    output logic [DATA_WIDTH-1 : 0] data_o
+    );
+
+   logic [DATA_WIDTH-1 : 0]         mem [2**ADDR_WIDTH];
+
+   always @(posedge clk or posedge rst) begin
+      if(rst) begin
+         for(int i = 0; i < 2**ADDR_WIDTH; i++) begin
+            mem[i] = 0;
+         end
+      end
+      else begin
+         if(en_i) begin
+            if(rw_i) begin
+               mem[addr_i] <= data_i;
+            end
+            else begin
+               data_o <= mem[addr_i];
+            end
+         end
+      end
+   end
+
+endmodule : memory
+
+`endif
+