diff options
Diffstat (limited to 'techlibs/xilinx/example_zed_counter/example.v')
-rw-r--r-- | techlibs/xilinx/example_zed_counter/example.v | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/techlibs/xilinx/example_zed_counter/example.v b/techlibs/xilinx/example_zed_counter/example.v new file mode 100644 index 000000000..cb98cc1b2 --- /dev/null +++ b/techlibs/xilinx/example_zed_counter/example.v @@ -0,0 +1,14 @@ +module top(clk, ctrl, led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0); + +input clk, ctrl; +output led_7, led_6, led_5, led_4; +output led_3, led_2, led_1, led_0; + +reg [31:0] counter; + +always @(posedge clk) + counter <= counter + (ctrl ? 4 : 1); + +assign {led_7, led_6, led_5, led_4, led_3, led_2, led_1, led_0} = counter >> 24; + +endmodule |