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-rw-r--r--doc/sandbox.mdwn22
1 files changed, 18 insertions, 4 deletions
diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index b1f1242eb..347f2e590 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -135,10 +135,24 @@ This **SandBox** is also a [[blog]]! xxx
[[!inline pages="sandbox/* and !*/Discussion" rootpage="sandbox" show="4" archive="yes"]]a
-[[!format c """
-void main () {
- printf("hello, world!");
-}
+[[!format verilog """
+module vc_Mux2 #( parameter W = 1 )
+(
+ input [W-1:0] in0, in1,
+ input sel,
+ output reg [W-1:0] out
+);
+
+ always @(*)
+ begin
+ case ( sel )
+ 1'd0 : out = in0;
+ 1'd1 : out = in1;
+ default : out = {W{1'bx}};
+ endcase
+ end
+
+endmodule
"""]]