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olofk.serv/bench/serv_top_tb.v
2018-11-18 13:05:38 +01:00

24 lines
376 B
Verilog

`default_nettype none
module serv_top_tb;
parameter memfile = "bitbang.hex";
reg wb_clk = 1'b1;
reg q_r = 1'b0;
wire q;
always #31 wb_clk <= !wb_clk;
vlog_tb_utils vtu();
serv_wrapper #(memfile) dut(wb_clk, q);
always @(posedge wb_clk)
if (q != q_r) begin
$display("%0t : q is %s", $time, q ? "ON" : "OFF");
q_r <= q;
end
endmodule