Removed latch

ch4/motorcontrol.sv

@@ -1,3 +1,5 @@
+`timescale 1ns/1ps
+
 module motorcontrol #(parameter N=21)
    (input logic clk,
     input logic rst,
@@ -37,6 +39,11 @@ module motorcontrol #(parameter N=21)
 					pwm = 0; 
 					next_state = state;
 				end 
+			default: 
+				begin
+					pwm = 0; 
+					next_state = reset;
+				end 
 		endcase
 	end
 endmodule

ch4/motorcontrol_tb.sv

@@ -18,12 +18,15 @@ module motorcontrol_tb();
       clk = 0;
 
    initial begin
+      $dumpfile("output.vcd");
+      $dumpvars;
       rst = 1; direction = 0;   
       #10;       rst = 0; 
       #19999990; rst = 1; direction = 1;
       #10;       rst = 0;
       #19999990; rst = 1;                              
       #10;       rst = 0;
+      $finish;
    end
 
 endmodule