diff --git a/labs/lab6/bibp.v b/labs/lab6/bibp.v
index 2245e97..c366289 100644
--- a/labs/lab6/bibp.v
+++ b/labs/lab6/bibp.v
@@ -13,18 +13,18 @@ module bibp #(parameter UZUNLUK = 8)(
 /*assign v1 = buyruk[UZUNLUK - 1 : UZUNLUK/2];
 assign v2 = buyruk[UZUNLUK/2  : 0];*/
 
-wire [(UZUNLUK/2) - 1:0] v1,v2;
+// wire [(UZUNLUK/2) - 1:0] v1,v2;
+
+// !!! LOCALPARAM IVERILOG DA PROBLEMLI OLDUGU ICIN KULLANILMIYOR !!!
 
 always@(*) begin
-    v1 = buyruk[UZUNLUK - 1 : UZUNLUK/2];
-    v2 = buyruk[(UZUNLUK/2) - 1 : 0];
     case(buyruk[UZUNLUK+2:UZUNLUK-1])
-        3'b000: sonuc = v1 + v2;
-        3'b001: sonuc = v1 - v2;
-        3'b010: sonuc = v1 & v2;
-        3'b011: sonuc = v1 | v2;
-        3'b100: sonuc = v1 ^ v2;
-        default: sonuc = v1 + v2;
+        3'b000: sonuc = buyruk[UZUNLUK - 1 : UZUNLUK/2] +  buyruk[(UZUNLUK/2) - 1 : 0];
+        3'b001: sonuc = buyruk[UZUNLUK - 1 : UZUNLUK/2] - buyruk[(UZUNLUK/2) - 1 : 0]; // SUBTRACTION ?????? CHECK!!!
+        3'b010: sonuc = buyruk[UZUNLUK - 1 : UZUNLUK/2] & buyruk[(UZUNLUK/2) - 1 : 0];
+        3'b011: sonuc = buyruk[UZUNLUK - 1 : UZUNLUK/2] | buyruk[(UZUNLUK/2) - 1 : 0];
+        3'b100: sonuc = buyruk[UZUNLUK - 1 : UZUNLUK/2] ^ buyruk[(UZUNLUK/2) - 1 : 0];
+        default: sonuc = buyruk[UZUNLUK - 1 : UZUNLUK/2] + buyruk[(UZUNLUK/2) - 1 : 0];
     endcase
 end
 
diff --git a/labs/lab6/vbibp.vcd b/labs/lab6/vbibp.vcd
index 93488ad..c638d6a 100644
--- a/labs/lab6/vbibp.vcd
+++ b/labs/lab6/vbibp.vcd
@@ -1,5 +1,5 @@
 $date
-	Thu Jul 11 19:23:34 2024
+	Sat Jul 13 00:01:24 2024
 $end
 $version
 	Icarus Verilog
@@ -8,27 +8,19 @@ $timescale
 	1s
 $end
 $scope module bibpTB $end
-$var wire 4 ! v2 [3:0] $end
-$var wire 4 " v1 [3:0] $end
-$var wire 5 # sonuc [4:0] $end
-$var reg 11 $ buyruk [10:0] $end
+$var wire 5 ! sonuc [4:0] $end
+$var reg 11 " buyruk [10:0] $end
 $scope module uut $end
-$var wire 11 % buyruk [10:0] $end
-$var reg 5 & sonuc [4:0] $end
-$var reg 4 ' v1 [3:0] $end
-$var reg 4 ( v2 [3:0] $end
+$var wire 11 # buyruk [10:0] $end
+$var reg 5 $ sonuc [4:0] $end
 $upscope $end
 $upscope $end
 $enddefinitions $end
 #0
 $dumpvars
-b100 (
-b101 '
-b100 &
-b101010100 %
-b101010100 $
-b100 #
-b101 "
+b100 $
+b101010100 #
+b101010100 "
 b100 !
 $end
 #10
diff --git a/labs/lab6/vvbibp b/labs/lab6/vvbibp
index a334409..910f8e3 100644
--- a/labs/lab6/vvbibp
+++ b/labs/lab6/vvbibp
@@ -7,35 +7,23 @@
 :vpi_module "/usr/lib/x86_64-linux-gnu/ivl/vhdl_textio.vpi";
 :vpi_module "/usr/lib/x86_64-linux-gnu/ivl/v2005_math.vpi";
 :vpi_module "/usr/lib/x86_64-linux-gnu/ivl/va_math.vpi";
-S_0x5634a3f74fe0 .scope module, "bibpTB" "bibpTB" 2 1;
+S_0x557dbd3f8cf0 .scope module, "bibpTB" "bibpTB" 2 1;
  .timescale 0 0;
-P_0x5634a3f60060 .param/l "UZUNLUK" 0 2 3, +C4<00000000000000000000000000001000>;
-v0x5634a3f87b40_0 .var "buyruk", 10 0;
-v0x5634a3f87c20_0 .net "sonuc", 4 0, v0x5634a3f877e0_0;  1 drivers
-v0x5634a3f87cf0_0 .net "v1", 3 0, v0x5634a3f878c0_0;  1 drivers
-v0x5634a3f87df0_0 .net "v2", 3 0, v0x5634a3f879b0_0;  1 drivers
-S_0x5634a3f751c0 .scope module, "uut" "bibp" 2 9, 3 1 0, S_0x5634a3f74fe0;
+P_0x557dbd3f8e80 .param/l "UZUNLUK" 0 2 3, +C4<00000000000000000000000000001000>;
+v0x557dbd40a7d0_0 .var "buyruk", 10 0;
+v0x557dbd40a890_0 .net "sonuc", 4 0, v0x557dbd40a690_0;  1 drivers
+S_0x557dbd3f8f20 .scope module, "uut" "bibp" 2 7, 3 1 0, S_0x557dbd3f8cf0;
  .timescale 0 0;
     .port_info 0 /INPUT 11 "buyruk";
-    .port_info 1 /OUTPUT 4 "v1";
-    .port_info 2 /OUTPUT 4 "v2";
-    .port_info 3 /OUTPUT 5 "sonuc";
-P_0x5634a3f753a0 .param/l "UZUNLUK" 0 3 1, +C4<00000000000000000000000000001000>;
-v0x5634a3f38cf0_0 .net "buyruk", 10 0, v0x5634a3f87b40_0;  1 drivers
-v0x5634a3f877e0_0 .var "sonuc", 4 0;
-v0x5634a3f878c0_0 .var "v1", 3 0;
-v0x5634a3f879b0_0 .var "v2", 3 0;
-E_0x5634a3f39630 .event edge, v0x5634a3f38cf0_0, v0x5634a3f878c0_0, v0x5634a3f879b0_0;
-    .scope S_0x5634a3f751c0;
+    .port_info 1 /OUTPUT 5 "sonuc";
+P_0x557dbd3f95c0 .param/l "UZUNLUK" 0 3 1, +C4<00000000000000000000000000001000>;
+v0x557dbd3bbcf0_0 .net "buyruk", 10 0, v0x557dbd40a7d0_0;  1 drivers
+v0x557dbd40a690_0 .var "sonuc", 4 0;
+E_0x557dbd3bce20 .event edge, v0x557dbd3bbcf0_0;
+    .scope S_0x557dbd3f8f20;
 T_0 ;
-    %wait E_0x5634a3f39630;
-    %load/vec4 v0x5634a3f38cf0_0;
-    %parti/s 4, 4, 4;
-    %store/vec4 v0x5634a3f878c0_0, 0, 4;
-    %load/vec4 v0x5634a3f38cf0_0;
-    %parti/s 4, 0, 2;
-    %store/vec4 v0x5634a3f879b0_0, 0, 4;
-    %load/vec4 v0x5634a3f38cf0_0;
+    %wait E_0x557dbd3bce20;
+    %load/vec4 v0x557dbd3bbcf0_0;
     %parti/s 4, 7, 4;
     %dup/vec4;
     %pushi/vec4 0, 0, 4;
@@ -57,65 +45,77 @@ T_0 ;
     %pushi/vec4 4, 0, 4;
     %cmp/u;
     %jmp/1 T_0.4, 6;
-    %load/vec4 v0x5634a3f878c0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 4, 4;
     %pad/u 5;
-    %load/vec4 v0x5634a3f879b0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 0, 2;
     %pad/u 5;
     %add;
-    %store/vec4 v0x5634a3f877e0_0, 0, 5;
+    %store/vec4 v0x557dbd40a690_0, 0, 5;
     %jmp T_0.6;
 T_0.0 ;
-    %load/vec4 v0x5634a3f878c0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 4, 4;
     %pad/u 5;
-    %load/vec4 v0x5634a3f879b0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 0, 2;
     %pad/u 5;
     %add;
-    %store/vec4 v0x5634a3f877e0_0, 0, 5;
+    %store/vec4 v0x557dbd40a690_0, 0, 5;
     %jmp T_0.6;
 T_0.1 ;
-    %load/vec4 v0x5634a3f878c0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 4, 4;
     %pad/u 5;
-    %load/vec4 v0x5634a3f879b0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 0, 2;
     %pad/u 5;
     %sub;
-    %store/vec4 v0x5634a3f877e0_0, 0, 5;
+    %store/vec4 v0x557dbd40a690_0, 0, 5;
     %jmp T_0.6;
 T_0.2 ;
-    %load/vec4 v0x5634a3f878c0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 4, 4;
     %pad/u 5;
-    %load/vec4 v0x5634a3f879b0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 0, 2;
     %pad/u 5;
     %and;
-    %store/vec4 v0x5634a3f877e0_0, 0, 5;
+    %store/vec4 v0x557dbd40a690_0, 0, 5;
     %jmp T_0.6;
 T_0.3 ;
-    %load/vec4 v0x5634a3f878c0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 4, 4;
     %pad/u 5;
-    %load/vec4 v0x5634a3f879b0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 0, 2;
     %pad/u 5;
     %or;
-    %store/vec4 v0x5634a3f877e0_0, 0, 5;
+    %store/vec4 v0x557dbd40a690_0, 0, 5;
     %jmp T_0.6;
 T_0.4 ;
-    %load/vec4 v0x5634a3f878c0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 4, 4;
     %pad/u 5;
-    %load/vec4 v0x5634a3f879b0_0;
+    %load/vec4 v0x557dbd3bbcf0_0;
+    %parti/s 4, 0, 2;
     %pad/u 5;
     %xor;
-    %store/vec4 v0x5634a3f877e0_0, 0, 5;
+    %store/vec4 v0x557dbd40a690_0, 0, 5;
     %jmp T_0.6;
 T_0.6 ;
     %pop/vec4 1;
     %jmp T_0;
     .thread T_0, $push;
-    .scope S_0x5634a3f74fe0;
+    .scope S_0x557dbd3f8cf0;
 T_1 ;
-    %vpi_call 2 12 "$dumpfile", "vbibp.vcd" {0 0 0};
-    %vpi_call 2 13 "$dumpvars" {0 0 0};
+    %vpi_call 2 10 "$dumpfile", "vbibp.vcd" {0 0 0};
+    %vpi_call 2 11 "$dumpvars" {0 0 0};
     %pushi/vec4 340, 0, 11;
-    %store/vec4 v0x5634a3f87b40_0, 0, 11;
+    %store/vec4 v0x557dbd40a7d0_0, 0, 11;
     %delay 10, 0;
-    %vpi_call 2 16 "$finish" {0 0 0};
+    %vpi_call 2 14 "$finish" {0 0 0};
     %end;
     .thread T_1;
 # The file index is used to find the file name in the following table.