module soc_tb(); reg clk, reset; wire rx, tx; wire [7:0] gpios; wire [7:0] led; reg [3:0] data = 4'b1010; assign gpios[7:4] = data; always #1 clk = ~clk; Baby_Risco_5_SOC #( .CLOCK_FREQ(25000000), .BIT_RATE(115200), .MEMORY_SIZE(32772), .MEMORY_FILE("software/memory/generic.hex"), .GPIO_WIDHT(8), .UART_BUFFER_SIZE(16) ) SOC( .clk(clk), .reset(reset), .leds(led), .rx(rx), .tx(tx), .gpios(gpios) ); initial begin $dumpfile("build/soc.vcd"); $dumpvars; clk = 1'b0; reset = 1'b1; #6 reset = 1'b0; //#560 #3600 $finish; end endmodule