Added ROM based LED patterns

spectrum.v

@@ -1,14 +1,24 @@
 module spectrum(
 	input CLOCK_50,
-	output reg[7:0] LED
+	output wire[7:0] LED
 );
 
-reg[27:0] counter;
+reg[2:0]  address;
+wire[7:0]  mem_data;
+	
+rom0 rom(
+	.address(address),
+	.clock(CLOCK_50),
+	.q(mem_data)
+);
 
+reg[20:0] counter;
 always @(posedge CLOCK_50) 
 begin
-	counter <= counter + 1;
-	LED <= counter[27:21];
+	counter = counter + 1;
+	if (counter == 0)
+		address = address + 1;
 end
+assign LED = mem_data;
 
 endmodule