presentation progress

1 files changed, 15 insertions, 0 deletions

diff --git a/manual/PRESENTATION_ExAdv/select_01.v b/manual/PRESENTATION_ExAdv/select_01.v
new file mode 100644
index 00000000..1b0bb7ee
--- /dev/null
+++ b/manual/PRESENTATION_ExAdv/select_01.v
@@ -0,0 +1,15 @@
+module test(clk, s, a, y);
+    input clk, s;
+    input [15:0] a;
+    output [15:0] y;
+    reg [15:0] b, c;
+
+    always @(posedge clk) begin
+        b <= a;
+        c <= b;
+    end
+
+    wire [15:0] state_a = (a ^ b) + c;
+    wire [15:0] state_b = (a ^ b) - c;
+    assign y = !s ? state_a : state_b;
+endmodule