1 files changed, 26 insertions, 0 deletions
diff --git a/tests/xilinx_ug901/rams_sp_nc.v b/tests/xilinx_ug901/rams_sp_nc.v
new file mode 100644
index 000000000..08abc0d2c
--- /dev/null
+++ b/tests/xilinx_ug901/rams_sp_nc.v
@@ -0,0 +1,26 @@
+// Single-Port Block RAM No-Change Mode
+// File: rams_sp_nc.v
+
+module rams_sp_nc (clk, we, en, addr, di, dout);
+
+input clk; 
+input we; 
+input en;
+input [9:0] addr; 
+input [15:0] di; 
+output [15:0] dout;
+
+reg [15:0] RAM [1023:0];
+reg [15:0] dout;
+
+always @(posedge clk)
+begin
+  if (en)
+  begin
+    if (we)
+      RAM[addr] <= di;
+    else
+      dout <= RAM[addr];
+  end
+end
+endmodule