fix bug

buhe · Jun 7, 2022 · 5fdf3a4 · 5fdf3a4
1 parent 7845b95
commit 5fdf3a4
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Showing 2 changed files with 20 additions and 2 deletions.
diff --git a/04/Btn.v b/04/Btn.v
@@ -3,5 +3,10 @@ module Btn(
     input btn,
 	output wire[15:0] out
 );
-    assign out[0] = btn;
+      Mux16 MUX161(
+		.a(16'b0000000000000000),
+		.b(16'b0000000000000001),
+		.sel(btn),
+	    .out(out)
+	  );
 endmodule
diff --git a/04/Memory_tb.v b/04/Memory_tb.v
@@ -5,7 +5,7 @@ integer file;
 reg clk = 1;
 reg [15:0] address = 16'h1FFC;
 reg load = 1;
-wire [15:0] out;
+wire signed [15:0] out;
 reg btn = 1;
 wire led;
 reg signed [15:0] in= 16'h0000;
@@ -41,6 +41,19 @@ initial begin
     display();
     display();
 
+    in=-1;load=1;address=16'h0000;
+    display();
+    display();
+
+    in=9999;load=0;
+    display();
+    display();
+
+    address=16'd8192;
+    display();
+    address=16'd8193;
+    display();
+
   $finish;
 end