diff options
Diffstat (limited to 'techlibs/xilinx/example_sim_counter/counter_tb.v')
-rw-r--r-- | techlibs/xilinx/example_sim_counter/counter_tb.v | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/techlibs/xilinx/example_sim_counter/counter_tb.v b/techlibs/xilinx/example_sim_counter/counter_tb.v deleted file mode 100644 index b6b64269..00000000 --- a/techlibs/xilinx/example_sim_counter/counter_tb.v +++ /dev/null @@ -1,61 +0,0 @@ -`timescale 1 ns / 1 ps - -module testbench; - -reg clk, en, rst; -wire [3:0] count; - -counter uut_counter( - .clk(clk), - .count(count), - .en(en), - .rst(rst) -); - -initial begin - clk <= 0; - forever begin - #50; - clk <= ~clk; - end -end - -initial begin - @(posedge clk); - forever begin - @(posedge clk); - $display("%d", count); - end -end - -initial begin - rst <= 1; en <= 0; @(posedge clk); - rst <= 1; en <= 0; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 1; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 1; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - rst <= 0; en <= 1; @(posedge clk); - rst <= 0; en <= 0; @(posedge clk); - $finish; -end - -endmodule |