barebones udp support. Compiles, but untested.

1 files changed, 12 insertions, 0 deletions

diff --git a/udp/add_onescomp.v b/udp/add_onescomp.v
new file mode 100644
index 000000000..048842a86
--- /dev/null
+++ b/udp/add_onescomp.v
@@ -0,0 +1,12 @@
+
+
+module add_onescomp
+  #(parameter WIDTH = 16)
+   (input [WIDTH-1:0] A,
+    input [WIDTH-1:0] B,
+    output [WIDTH-1:0] SUM);
+
+   wire [WIDTH:0] SUM_INT = {1'b0,A} + {1'b0,B};
+   assign SUM  = SUM_INT[WIDTH-1:0] + {{WIDTH-1{1'b0}},SUM_INT[WIDTH]};
+   
+endmodule // add_onescomp