Unify verilog style

tests/arch/common/add_sub.v

diff --git a/tests/arch/common/add_sub.v b/tests/arch/common/add_sub.v
index 177c32e..77e5f57 100644
--- a/tests/arch/common/add_sub.v
+++ b/tests/arch/common/add_sub.v
@@ -1,13 +1,12 @@
 module top
 (
- input [3:0] x,
- input [3:0] y,
+    input [3:0] x,
+    input [3:0] y,
 
- output [3:0] A,
- output [3:0] B
- );
+    output [3:0] A,
+    output [3:0] B
+);
 
-assign A =  x + y;
-assign B =  x - y;
-
+    assign A =  x + y;
+    assign B =  x - y;
 endmodule

tests/arch/common/adffs.v

diff --git a/tests/arch/common/adffs.v b/tests/arch/common/adffs.v
index 223b52d..576bd81 100644
--- a/tests/arch/common/adffs.v
+++ b/tests/arch/common/adffs.v
@@ -1,47 +1,43 @@
-module adff
-    ( input d, clk, clr, output reg q );
+module adff( input d, clk, clr, output reg q );
     initial begin
-      q = 0;
+        q = 0;
     end
-	always @( posedge clk, posedge clr )
-		if ( clr )
-			q <= 1'b0;
-		else
-            q <= d;
+	  always @( posedge clk, posedge clr )
+      if ( clr )
+        q <= 1'b0;
+      else
+        q <= d;
 endmodule
 
-module adffn
-    ( input d, clk, clr, output reg q );
+module adffn( input d, clk, clr, output reg q );
     initial begin
       q = 0;
     end
-	always @( posedge clk, negedge clr )
-		if ( !clr )
-			q <= 1'b0;
-		else
-            q <= d;
+	  always @( posedge clk, negedge clr )
+		  if ( !clr )
+			  q <= 1'b0;
+  		else
+        q <= d;
 endmodule
 
-module dffs
-    ( input d, clk, pre, clr, output reg q );
+module dffs( input d, clk, pre, clr, output reg q );
     initial begin
       q = 0;
     end
-	always @( posedge clk )
-		if ( pre )
-			q <= 1'b1;
-		else
-            q <= d;
+    always @( posedge clk )
+      if ( pre )
+        q <= 1'b1;
+      else
+        q <= d;
 endmodule
 
-module ndffnr
-    ( input d, clk, pre, clr, output reg q );
+module ndffnr( input d, clk, pre, clr, output reg q );
     initial begin
       q = 0;
     end
-	always @( negedge clk )
-		if ( !clr )
-			q <= 1'b0;
-		else
-            q <= d;
+    always @( negedge clk )
+      if ( !clr )
+        q <= 1'b0;
+      else
+        q <= d;
 endmodule

tests/arch/common/counter.v

diff --git a/tests/arch/common/counter.v b/tests/arch/common/counter.v
index 52852f8..97604d3 100644
--- a/tests/arch/common/counter.v
+++ b/tests/arch/common/counter.v
@@ -1,17 +1,11 @@
-module top    (

-out,

-clk,

-reset

-);

+module top ( out, clk, reset );

     output [7:0] out;

     input clk, reset;

     reg [7:0] out;

 

     always @(posedge clk, posedge reset)

-		if (reset) begin

-			out <= 8'b0 ;

-		end else

-			out <= out + 1;

-

-

+      if (reset)

+          out <= 8'b0;

+      end

+          out <= out + 1;

 endmodule

tests/arch/common/dffs.v

diff --git a/tests/arch/common/dffs.v b/tests/arch/common/dffs.v
index 3418787..636252d 100644
--- a/tests/arch/common/dffs.v
+++ b/tests/arch/common/dffs.v
@@ -1,15 +1,13 @@
-module dff
-    ( input d, clk, output reg q );
-	always @( posedge clk )
-            q <= d;
+module dff ( input d, clk, output reg q );
+	  always @( posedge clk )
+        q <= d;
 endmodule
 
-module dffe
-    ( input d, clk, en, output reg q );
+module dffe( input d, clk, en, output reg q );
     initial begin
-      q = 0;
+        q = 0;
     end
-	always @( posedge clk )
-		if ( en )
-			q <= d;
+	  always @( posedge clk )
+        if ( en )
+              q <= d;
 endmodule

tests/arch/common/fsm.v

diff --git a/tests/arch/common/fsm.v b/tests/arch/common/fsm.v
index 368fbaa..9d3fbb6 100644
--- a/tests/arch/common/fsm.v
+++ b/tests/arch/common/fsm.v
@@ -1,55 +1,51 @@
- module fsm (

- clock,

- reset,

- req_0,

- req_1,

- gnt_0,

- gnt_1

- );

- input   clock,reset,req_0,req_1;

- output  gnt_0,gnt_1;

- wire    clock,reset,req_0,req_1;

- reg     gnt_0,gnt_1;

+ module fsm ( clock, reset, req_0, req_1, gnt_0, gnt_1 );

+    input   clock,reset,req_0,req_1;

+    output  gnt_0,gnt_1;

+    wire    clock,reset,req_0,req_1;

+    reg     gnt_0,gnt_1;

 

- parameter SIZE = 3           ;

- parameter IDLE  = 3'b001,GNT0 = 3'b010,GNT1 = 3'b100,GNT2 = 3'b101 ;

+    parameter SIZE = 3;

+    parameter IDLE = 3'b001;

+    parameter GNT0 = 3'b010;

+    parameter GNT1 = 3'b100;

+    parameter GNT2 = 3'b101;

 

- reg [SIZE-1:0] state;

- reg [SIZE-1:0] next_state;

+    reg [SIZE-1:0] state;

+    reg [SIZE-1:0] next_state;

 

- always @ (posedge clock)

- begin : FSM

- if (reset == 1'b1) begin

-   state <=  #1  IDLE;

-   gnt_0 <= 0;

-   gnt_1 <= 0;

- end else

-  case(state)

-    IDLE : if (req_0 == 1'b1) begin

-                 state <=  #1  GNT0;

-                 gnt_0 <= 1;

-               end else if (req_1 == 1'b1) begin

-                 gnt_1 <= 1;

-                 state <=  #1  GNT0;

-               end else begin

-                 state <=  #1  IDLE;

-               end

-    GNT0 : if (req_0 == 1'b1) begin

-                 state <=  #1  GNT0;

-               end else begin

-                 gnt_0 <= 0;

-                 state <=  #1  IDLE;

-               end

-    GNT1 : if (req_1 == 1'b1) begin

-                 state <=  #1  GNT2;

-				 gnt_1 <= req_0;

-               end

-    GNT2 : if (req_0 == 1'b1) begin

-                 state <=  #1  GNT1;

-				 gnt_1 <= req_1;

-               end

-    default : state <=  #1  IDLE;

- endcase

- end

-

+    always @ (posedge clock)

+        begin : FSM

+          if (reset == 1'b1) begin

+            state <=  #1  IDLE;

+            gnt_0 <= 0;

+            gnt_1 <= 0;

+          end 

+          else

+            case(state)

+              IDLE :  if (req_0 == 1'b1) begin

+                          state <=  #1  GNT0;

+                          gnt_0 <= 1;

+                      end else if (req_1 == 1'b1) begin

+                          gnt_1 <= 1;

+                          state <=  #1  GNT0;

+                      end else begin

+                          state <=  #1  IDLE;

+                      end

+              GNT0 :  if (req_0 == 1'b1) begin

+                          state <=  #1  GNT0;

+                      end else begin

+                          gnt_0 <= 0;

+                          state <=  #1  IDLE;

+                      end

+              GNT1 :  if (req_1 == 1'b1) begin

+                          state <=  #1  GNT2;

+                          gnt_1 <= req_0;

+                      end

+              GNT2 :  if (req_0 == 1'b1) begin

+                          state <=  #1  GNT1;

+                          gnt_1 <= req_1;

+                      end

+              default : state <=  #1  IDLE;

+            endcase

+        end

 endmodule

tests/arch/common/latches.v

diff --git a/tests/arch/common/latches.v b/tests/arch/common/latches.v
index adb5d53..60b7571 100644
--- a/tests/arch/common/latches.v
+++ b/tests/arch/common/latches.v
@@ -1,19 +1,16 @@
-module latchp
-    ( input d, clk, en, output reg q );
+module latchp ( input d, clk, en, output reg q );
 	always @*
 		if ( en )
 			q <= d;
 endmodule
 
-module latchn
-    ( input d, clk, en, output reg q );
+module latchn ( input d, clk, en, output reg q );
 	always @*
 		if ( !en )
 			q <= d;
 endmodule
 
-module latchsr
-    ( input d, clk, en, clr, pre, output reg q );
+module latchsr ( input d, clk, en, clr, pre, output reg q );
 	always @*
 		if ( clr )
 			q <= 1'b0;

tests/arch/common/logic.v

diff --git a/tests/arch/common/logic.v b/tests/arch/common/logic.v
index e5343ca..c17899f 100644
--- a/tests/arch/common/logic.v
+++ b/tests/arch/common/logic.v
@@ -1,18 +1,16 @@
 module top
 (
- input [0:7] in,
- output B1,B2,B3,B4,B5,B6,B7,B8,B9,B10
- );
-
-   assign     B1 =  in[0] & in[1];
-   assign     B2 =  in[0] | in[1];
-   assign     B3 =  in[0] ~& in[1];
-   assign     B4 =  in[0] ~| in[1];
-   assign     B5 =  in[0] ^ in[1];
-   assign     B6 =  in[0] ~^ in[1];
-   assign     B7 =  ~in[0];
-   assign     B8 =  in[0];
-   assign     B9 =  in[0:1] && in [2:3];
-   assign     B10 =  in[0:1] || in [2:3];
-
+    input [0:7] in,
+    output B1,B2,B3,B4,B5,B6,B7,B8,B9,B10
+);
+    assign B1 =  in[0] & in[1];
+    assign B2 =  in[0] | in[1];
+    assign B3 =  in[0] ~& in[1];
+    assign B4 =  in[0] ~| in[1];
+    assign B5 =  in[0] ^ in[1];
+    assign B6 =  in[0] ~^ in[1];
+    assign B7 =  ~in[0];
+    assign B8 =  in[0];
+    assign B9 =  in[0:1] && in [2:3];
+    assign B10 =  in[0:1] || in [2:3];
 endmodule

tests/arch/common/mul.v

diff --git a/tests/arch/common/mul.v b/tests/arch/common/mul.v
index d5b48b1..437a91c 100644
--- a/tests/arch/common/mul.v
+++ b/tests/arch/common/mul.v
@@ -1,11 +1,9 @@
 module top
 (
- input [5:0] x,
- input [5:0] y,
+    input [5:0] x,
+    input [5:0] y,
 
- output [11:0] A,
- );
-
-assign A =  x * y;
-
+    output [11:0] A,
+);
+    assign A =  x * y;
 endmodule

tests/arch/common/mux.v

diff --git a/tests/arch/common/mux.v b/tests/arch/common/mux.v
index 27bc0bf..71c1ac7 100644
--- a/tests/arch/common/mux.v
+++ b/tests/arch/common/mux.v
@@ -8,51 +8,47 @@
 endmodule
 
 module mux4 ( S, D, Y );
+    input[1:0] S;
+    input[3:0] D;
+    output Y;
 
-input[1:0] S;
-input[3:0] D;
-output Y;
+    reg Y;
+    wire[1:0] S;
+    wire[3:0] D;
 
-reg Y;
-wire[1:0] S;
-wire[3:0] D;
-
-always @*
-begin
-    case( S )
-       0 : Y = D[0];
-       1 : Y = D[1];
-       2 : Y = D[2];
-       3 : Y = D[3];
-   endcase
-end
-
+    always @*
+    begin
+        case( S )
+            0 : Y = D[0];
+            1 : Y = D[1];
+            2 : Y = D[2];
+            3 : Y = D[3];
+        endcase
+    end
 endmodule
 
 module mux8 ( S, D, Y );
+    input[2:0] S;
+    input[7:0] D;
+    output Y;
 
-input[2:0] S;
-input[7:0] D;
-output Y;
+    reg Y;
+    wire[2:0] S;
+    wire[7:0] D;
 
-reg Y;
-wire[2:0] S;
-wire[7:0] D;
-
-always @*
-begin
-   case( S )
-       0 : Y = D[0];
-       1 : Y = D[1];
-       2 : Y = D[2];
-       3 : Y = D[3];
-       4 : Y = D[4];
-       5 : Y = D[5];
-       6 : Y = D[6];
-       7 : Y = D[7];
-   endcase
-end
-
+    always @*
+    begin
+        case( S )
+            0 : Y = D[0];
+            1 : Y = D[1];
+            2 : Y = D[2];
+            3 : Y = D[3];
+            4 : Y = D[4];
+            5 : Y = D[5];
+            6 : Y = D[6];
+            7 : Y = D[7];
+        endcase
+    end
 endmodule
 
 module mux16 (D, S, Y);
@@ -60,6 +56,5 @@
  	input  [3:0] S;
  	output Y;
 
-assign Y = D[S];
-
+    assign Y = D[S];
 endmodule

tests/arch/common/shifter.v

diff --git a/tests/arch/common/shifter.v b/tests/arch/common/shifter.v
index 04ae49d..cace3b5 100644
--- a/tests/arch/common/shifter.v
+++ b/tests/arch/common/shifter.v
@@ -1,8 +1,4 @@
-module top    (

-out,

-clk,

-in

-);

+module top(out, clk, in);

     output [7:0] out;

     input signed clk, in;

     reg signed [7:0] out = 0;

@@ -11,6 +7,5 @@
 	begin

 		out    <= out >> 1;

 		out[7] <= in;

-	end

-

+	end    

 endmodule

tests/arch/common/tribuf.v

diff --git a/tests/arch/common/tribuf.v b/tests/arch/common/tribuf.v
index c644682..e1d7016 100644
--- a/tests/arch/common/tribuf.v
+++ b/tests/arch/common/tribuf.v
@@ -1,8 +1,8 @@
-module tristate (en, i, o);
+module tristate(en, i, o);
     input en;
     input i;
     output reg o;
-    
+
     always @(en or i)
-		o <= (en)? i : 1'bZ;
+        o <= (en)? i : 1'bZ;
 endmodule