diff --git a/top_tb.v b/top_tb.v
index 4c74a15..33a8709 100644
--- a/top_tb.v
+++ b/top_tb.v
@@ -10,33 +10,8 @@
 //sub modules
 `include "clock_divider_param.v"
 `include "clock_enable_param.v"
-`include "blockram.v"
-`include "pattern_gen.v"
-`include "vga_module.v"
-`include "horizontal_counter.v"
-`include "vertical_counter.v"
-`include "UART_Loopback_module.v"
-`include "UART_TX.v"
-`include "UART_RX.v"
-`include "7segment.v"
-`include "com_to_mem_FSM_hex.v" 
-`include "com_to_mem_module.v"
-`include "ov7670_top.v"
 `include "debounce_switch.v"
-`include "ov7670_capture.v"
-`include "ov7670_controller.v"
-`include "imag_procesor.v"
-`include "default_reg_writer.v"
-`include "i2c_sender.v"
-`include "ov7670_registers.v"
-`include "imag_save.v" 
-`include "rgb2gray.v" 
-`include "imag_transform.v"
-`include "reg_reader.v"
-`include "address_gen.v"
-`include "overlay.v"
-`include "two_cam_one_screen.v"
-`include "lookuptable.v"
+
 
 //top module
 `include "top.v"
@@ -52,525 +27,12 @@ module top_vga_mem_tb#( parameter
 )();
 
 reg clk = 1'b0;
-reg pclk = 1'b0;
-reg hs = 1'b0;
-reg vs = 1'b0;
 
 // 50% duty cycle clock
 always #0.5 clk <= ~clk;
-always #2 pclk <= ~pclk;
-always #100 hs <= 1;
-always #102 hs <= 0;
-always #200 vs <= 1;
-always #202 vs <= 0;
-
-reg RsRx;
-wire RsTx;
-
-top_vga_mem #(
-    .SPEED(SPEED),
-    .ADDR_WIDTH(ADDR_WIDTH),
-    .DATA_WIDTH(DATA_WIDTH),
-    .DEPTH(DEPTH)
-)Test_Unit(
-    .clk(clk), 
-    .RsRx(RsRx),
-    .RsTx(RsTx),
-    .sw(3'b101),
-    .ov7670_cam1_pclk(pclk),
-    .ov7670_cam2_pclk(pclk),
-    .ov7670_cam1_vs(vs),
-    .ov7670_cam1_hs(hs),
-    .ov7670_cam2_vs(vs),
-    .ov7670_cam2_hs(hs),
-    .im_p(9'b00_01_01_000)  
-);
-
-initial begin
-// starting UART transition
-// h70  ->  P
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h32  ->  2
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h63  ->  c
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-
-    #868 RsRx = 1;
-
-// h38  ->  8
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-
-    #868 RsRx = 1;
-
-    #10_000;
-
-// h72  ->  r
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
- #10_000;
-
-// h70  ->  p
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h32  ->  2
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-    #10_000;
-
-// h72  ->  r
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h30  ->  0
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-// h35  ->  5
-    #9000;
-    #0 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-    #868 RsRx = 1;
-    #868 RsRx = 0;
-    #868 RsRx = 0;
-    #868 RsRx = 1;
-
-    #10_000;
-
-end
 
 
 initial begin
-    #000_001;
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
-    #030_000; 
-    $display("*");
     #030_000; 
     $display("*");