Initial commit. Working CPU!

2018-06-05 00:06:45 -07:00
commit 6bceee5e68
6 changed files with 178 additions and 0 deletions
--- a/mux4.sv
+++ b/mux4.sv
@@ -0,0 +1,24 @@
+module mux4 #(width=32)
+			 (input logic [width-1:0] first, second, third, fourth,
+			  input logic [1:0] select,
+			  output logic [width-1:0] out);
+			  
+	logic [width-1:0] lower, upper;
+	
+	mux2 lower_mux(
+		.left(first),
+		.right(second),
+		.select(select[0]),
+		.out(lower));
+	mux2 upper_mux(
+		.left(third),
+		.right(fourth),
+		.select(select[0]),
+		.out(upper));
+		
+	mux2 final_mux(
+		.left(lower),
+		.right(upper),
+		.select(select[1]),
+		.out(out));
+endmodule