Forgot to add DFFRAM

caravel_bram/DFFRAM.v

@@ -0,0 +1,36 @@
+module DFFRAM #( parameter COLS=1, filename="")
+(
+    CLK,
+    WE,
+    EN,
+    Di,
+    Do,
+    A
+);
+    localparam A_WIDTH = 8+$clog2(COLS);
+
+    input   wire            CLK;
+    input   wire    [3:0]   WE;
+    input   wire            EN;
+    input   wire    [31:0]  Di;
+    output  reg     [31:0]  Do;
+    input   wire    [(A_WIDTH - 1): 0]   A;
+
+    reg [31:0] RAM[(256*COLS)-1 : 0];
+    
+    always @(posedge CLK) 
+        if(EN) begin
+            Do <= RAM[A];
+            if(WE[0]) RAM[A][ 7: 0] <= Di[7:0];
+            if(WE[1]) RAM[A][15:8] <= Di[15:8];
+            if(WE[2]) RAM[A][23:16] <= Di[23:16];
+            if(WE[3]) RAM[A][31:24] <= Di[31:24];
+        end 
+        else
+            Do <= 32'b0;
+            
+initial begin
+    $readmemh(filename, RAM);
+end
+
+endmodule