Fixed typo and renamed some signals

overview.graphml

@@ -13,24 +13,22 @@
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   <key for="edge" id="d10" yfiles.type="edgegraphics"/>
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@@ -40,12 +38,11 @@
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@@ -69,10 +66,9 @@
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           <data key="d6">
             <y:ShapeNode>
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               <y:BorderStyle color="#000000" raised="false" type="line" width="1.0"/>
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@@ -81,10 +77,9 @@
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@@ -93,10 +88,9 @@
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           <data key="d6">
             <y:ShapeNode>
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+              <y:Geometry height="30.0" width="184.0" x="101.349609375" y="184.0"/>
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@@ -107,7 +101,6 @@
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@@ -117,39 +110,18 @@
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           <y:LineStyle color="#000000" type="line" width="1.0"/>
           <y:Arrows source="none" target="standard"/>
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@@ -160,6 +132,17 @@
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     </edge>
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+    </edge>
   </graph>
   <data key="d7">
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vgasquare.v

@@ -14,8 +14,8 @@ module vgasquare(
 	input wire [8:0] box_y1,
 	input wire [8:0] box_y2,    
 	input wire [5:0] box_color, //1 bit for each color  Foreground and background
-    output wire VGA_HS_O,       // horizontal sync output
+    output wire VGA_HS,       // horizontal sync output
-    output wire VGA_VS_O,       // vertical sync output
+    output wire VGA_VS,       // vertical sync output
     output wire VGA_R,    		// 1-bit VGA red output
     output wire VGA_G,    		// 1-bit VGA green output
     output wire VGA_B     		// 1-bit VGA blue output
@@ -30,15 +30,15 @@ module vgasquare(
         .i_clk(CLK),
         .i_pix_stb(PIXEL_CLK),
         .i_rst(rst),
-        .o_hs(VGA_HS_O), 
+        .o_hs(VGA_HS), 
-        .o_vs(VGA_VS_O), 
+        .o_vs(VGA_VS), 
         .o_x(x), 
         .o_y(y)
     );
 
     // Draw one square
     wire square;
-    assign square = ((x > box_x1) & (y >  box_y1) & (x < box_x2) & (y < box_y1)) ? 1 : 0; //Is box within range?
+    assign square = ((x > box_x1) & (y >  box_y1) & (x < box_x2) & (y < box_y2)) ? 1 : 0; //Is box within range?
 
 
     assign VGA_R = square ? box_color[0] : box_color[3];	// Set R (Foreground and then background)