Added spice backend

1 files changed, 12 insertions, 0 deletions

diff --git a/techlibs/cmos/counter.v b/techlibs/cmos/counter.v
new file mode 100644
index 00000000..72208bd8
--- /dev/null
+++ b/techlibs/cmos/counter.v
@@ -0,0 +1,12 @@
+module counter (clk, rst, en, count);
+
+   input clk, rst, en;
+   output reg [3:0] count;
+   
+   always @(posedge clk)
+      if (rst)
+         count <= 4'd0;
+      else if (en)
+         count <= count + 4'd1;
+
+endmodule