yosys/docs/source/code_examples/intro/counter.v

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2014-01-29 05:15:38 -06:00
module counter (clk, rst, en, count);
input clk, rst, en;
output reg [1:0] count;
always @(posedge clk)
if (rst)
count <= 2'd0;
else if (en)
count <= count + 2'd1;
endmodule