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yosys/examples/gowin/demo.v
2016-11-08 19:07:22 +01:00

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273 B
Verilog

module demo (
input clk,
input [3:0] sw,
output [15:0] leds,
output [7:0] seg7dig,
output [3:0] seg7sel
);
localparam PRESCALE = 20;
reg [PRESCALE+3:0] counter = 0;
always @(posedge clk) counter <= counter + 1;
assign leds = 1 << counter[PRESCALE +: 4];
endmodule