HDMI测试数据
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2022-06-10 20:28:21
...
module hdmi(
input clk_i, //156.25MHZ 6.4ns
input rst_n,
input [4:0]move_i,
input [7:0]time_gap_i,
input [7:0]pix_deep_i, //8'h00 8'h01 8'h02
input [7:0]pix_w_i,
input [11:0]pix_start_i,
input [7 :0]pix_mode_i,
output video_vs_o,
output video_hs_o,
output video_de_o,
output [47:0]video_da_o
);
parameter DISTANCE = 32;
parameter H_ALL = 2080;
parameter V_ALL = 2250;
parameter H_VALID = 1920;
parameter V_VALID = 2160;
parameter HSYNC = 40;
parameter VSYNC = 40;
parameter H_BEGIN = 100;
parameter H_END = 2020;
//前消隐30行 后消赢20
parameter V_BEGIN = 70;
parameter V_END = 2230;
//对8bit最小移动单位的修改
//工作就是产生出这几个信号
reg flag_right_ji_high;
reg flag_right_ji_low;
reg flag_right_ou;
reg flag_left_ji_low;
reg flag_left_ji_high;
reg flag_left_ou;
reg [7:0]double_vs_step;//这个信号就是做为移动两边当一步的
reg [7:0] copy_cnt;
reg [7:0] copy_cnt_static;
reg [7:0] pix_w_i_tmp_cnt;// 像素宽度计数器
reg de_before_tmp1;
wire de_before_tmp4_pos;
//对8bit最小移动单位的
wire [7:0] red_data;
wire [7:0] green_data;
wire [7:0] blue_data;
reg [15:0] red_data_tmp;
reg [15:0] green_data_tmp;
reg [15:0] blue_data_tmp;
reg [12:0] odck_cnt;
reg [12:0] h_cnt;
reg [47:0] video_da_o_tmp;
reg de;
reg vs_sync;
reg hs_sync;
reg de_before_tmp4;
reg value_valid;
reg [7:0] data_value;
reg position_valid;
reg position_valid_one;
reg position_valid_two;
reg red_color_valid;
reg green_color_valid;
reg blue_color_valid;
reg vs_sync_tmp1;
reg de_tmp1;
reg [4:0] move_i_tmp;
reg [7:0] video_mode;
assign video_hs_o = hs_sync;
assign video_vs_o = vs_sync;
assign video_de_o = de_tmp1;
assign red_data = red_color_valid? (value_valid?data_value:(position_valid?8'hff:8'h0)):8'h0;
assign green_data = green_color_valid?(value_valid?data_value:(position_valid?8'hff:8'h0)):8'h0;
assign blue_data = blue_color_valid? (value_valid?data_value:(position_valid?8'hff:8'h0)):8'h0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
odck_cnt <= 13'h0;
else
begin
if(odck_cnt == H_ALL)
odck_cnt <= 13'h0;
else
odck_cnt <= odck_cnt + 1'b1;
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
h_cnt <= 13'h0;
else if(odck_cnt == H_ALL)begin
if(h_cnt == V_ALL)
h_cnt <= 13'h0;
else
h_cnt <= h_cnt + 1'b1;
end
else
h_cnt <= h_cnt;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de <= 1'b0;
else
begin
if((odck_cnt >= H_BEGIN)&&(odck_cnt < H_END)&&(h_cnt >= V_BEGIN)&&(h_cnt < V_END)) //4K
de <= 1'b1;
else
de <= 1'b0;
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_before_tmp1 <= 1'b0;
else
begin
if((odck_cnt >= H_BEGIN - 1'b1)&&(odck_cnt < H_END - 1'b1)&&(h_cnt >= V_BEGIN)&&(h_cnt < V_END))
de_before_tmp1 <= 1'b1;
else
de_before_tmp1 <= 1'b0;
end
assign de_before_tmp1_pos = (de_before_tmp1)&&(~de);
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_before_tmp4 <= 1'b0;
else
begin
if((odck_cnt >= H_BEGIN - 3'b111)&&(odck_cnt < H_END - 3'b111)&&(h_cnt >= V_BEGIN)&&(h_cnt < V_END))
de_before_tmp4 <= 1'b1;
else
de_before_tmp4 <= 1'b0;
end
reg de_before_tmp4_tmp1;
reg de_before_tmp4_pos_modelsim;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_before_tmp4_tmp1 <= 1'b0;
else
de_before_tmp4_tmp1 <= de_before_tmp4;
assign de_before_tmp4_pos = ((~de_before_tmp4_tmp1)&&de_before_tmp4);
reg move_i_flag;
reg [7:0]pix_w_i_tmp;
reg [7:0] vs_cnt;//当暂停的时候这个计数器不工作
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
pix_w_i_tmp_cnt <= 8'b0;
else if(move_i_tmp == 5'h04 || move_i_tmp == 5'h00 || move_i_flag)//move_i_flag是表示当在5'h01和5'h02之间变换的时候
pix_w_i_tmp_cnt <= 8'h0;
else begin
if(pix_w_i_tmp_cnt == pix_w_i_tmp-1'b1 && (vs_sync&&(~vs_sync_tmp1)) && vs_cnt == time_gap_i-1'b1)
pix_w_i_tmp_cnt <= 8'h0;
else if((vs_sync&&(~vs_sync_tmp1)) && vs_cnt == time_gap_i-1'b1)
pix_w_i_tmp_cnt <= pix_w_i_tmp_cnt + 1'b1;
else
pix_w_i_tmp_cnt <= pix_w_i_tmp_cnt;
end
reg [7:0]x;//右边偶数移动的 偏移和加法两个偏移量
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
x <= 8'b0;
else if(move_i_tmp == 5'h04 || move_i_tmp == 5'h00 || move_i_flag)//move_i_flag是表示当在5'h01和5'h02之间变换的时候
x <= 8'h0;
else begin
if((x == pix_w_i_tmp[7:1]-1'b1) && (vs_sync&&(~vs_sync_tmp1)) && vs_cnt == time_gap_i-1'b1 && pix_w_i_tmp_cnt[0])
x <= 8'h0;
else if((vs_sync&&(~vs_sync_tmp1)) && vs_cnt == time_gap_i-1'b1 && pix_w_i_tmp_cnt[0])
x <= x + 1'b1;
else
x <= x;
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
double_vs_step <= 8'b0;
else if(move_i_tmp == 5'h04 || move_i_tmp == 5'h00 || move_i_flag)//move_i_flag是表示当在5'h01和5'h02之间变换的时候
double_vs_step <= 8'h0;
else begin
if(((double_vs_step == (pix_w_i_tmp-1'b1)/2'd2) && (vs_sync&&(~vs_sync_tmp1)) && vs_cnt == time_gap_i-1'b1 && pix_w_i_tmp_cnt[0])
|| pix_w_i_tmp_cnt == 8'h0
)
double_vs_step <= 8'h0;
else if((vs_sync&&(~vs_sync_tmp1)) && vs_cnt == time_gap_i-1'b1 && pix_w_i_tmp_cnt[0])
double_vs_step <= double_vs_step + 1'b1;
else
double_vs_step <= double_vs_step;
end
//copy_cnt_static 是专门为了使能产生的
//右移动的是奇数需要加 左边也做成这样子
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
flag_right_ou <= 1'b0;
else if( ( ( (copy_cnt_static + double_vs_step)==pix_w_i[7:1]-1'b1)
|| ( (copy_cnt_static + double_vs_step)==pix_w_i-1'b1))
&&de
&&(~pix_w_i[0]) &&pix_w_i_tmp_cnt[0] && move_i==5'h02)
flag_right_ou <= 1'b1;
else
flag_right_ou <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
flag_right_ji_high <= 1'b0;
else if( ((copy_cnt_static + double_vs_step)%(pix_w_i[7:1])==1'b0)
&&de//把de之前的全部去掉
&&(copy_cnt_static + double_vs_step != 0) //把0去掉
&&(copy_cnt_static + double_vs_step != pix_w_i - 1'b1) //把最高位去掉 只要中间的
&&pix_w_i[0] && pix_w_i_tmp_cnt[0] && move_i == 5'h02)
flag_right_ji_high <= 1'b1;
else
flag_right_ji_high <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
flag_right_ji_low <= 1'b0;
else if( ((copy_cnt_static + double_vs_step)%(pix_w_i - 1'b1)==1'b0)
&&de
&&(copy_cnt_static + double_vs_step != 0)
&&pix_w_i[0] && pix_w_i_tmp_cnt[0] && move_i == 5'h02)
flag_right_ji_low <= 1'b1;
else
flag_right_ji_low <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
flag_left_ji_low <= 1'b0;
else if( ( copy_cnt_static - double_vs_step == pix_w_i[7:1])
&&de
&&pix_w_i[0] && (~pix_w_i_tmp_cnt[0]) && move_i==5'h01 &&(flag_left_ji_high!=8'h0) )
flag_left_ji_low <= 1'b1;
else
flag_left_ji_low <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
flag_left_ji_high <= 1'b0;
else if( ((copy_cnt_static - double_vs_step)==0)
&&de
&&pix_w_i[0] && (~pix_w_i_tmp_cnt[0]) && move_i==5'h01 &&(flag_left_ji_low!=8'h0))
flag_left_ji_high <= 1'b1;
else
flag_left_ji_high <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
flag_left_ou <= 1'b0;
else if( ((copy_cnt_static - double_vs_step)%(pix_w_i[7:1])==1'b0)
&&de
&&(~pix_w_i[0]) && pix_w_i_tmp_cnt[0] && move_i==5'h01 )
flag_left_ou <= 1'b1;
else
flag_left_ou <= 1'b0;
//de_before_tmp4_pos_modelsim 要根据新的计数器来改变
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_before_tmp4_pos_modelsim <= 1'b0;
else if(de_before_tmp4_pos && h_cnt == 13'd70&& pix_w_i_tmp_cnt==8'h00 && vs_cnt==8'h00)//(一帧只取一个de)(加vs_cnt是为了舍弃一帧中多余的，好几帧才给一个数值)
de_before_tmp4_pos_modelsim <= 1'b1;
else
de_before_tmp4_pos_modelsim <= 1'b0;
reg de_before_tmp4_pos_modelsim_left;// 为了左移
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_before_tmp4_pos_modelsim_left <= 1'b0;
else if(pix_w_i == 8'h01)
de_before_tmp4_pos_modelsim_left <= de_before_tmp4_pos_modelsim;
else if(de_before_tmp4_pos && h_cnt == 13'd70&& pix_w_i_tmp_cnt==8'h01 && vs_cnt==8'h00)//(一帧只取一个de)(加vs_cnt是为了舍弃一帧中多余的，好几帧才给一个数值)
de_before_tmp4_pos_modelsim_left <= 1'b1;
else
de_before_tmp4_pos_modelsim_left <= 1'b0;
reg de_before_tmp4_pos_modelsim_ture;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_before_tmp4_pos_modelsim_ture <= 1'b0;
else if(move_i_tmp == 5'h01)
de_before_tmp4_pos_modelsim_ture <= de_before_tmp4_pos_modelsim_left;
else
de_before_tmp4_pos_modelsim_ture <= de_before_tmp4_pos_modelsim;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
hs_sync <= 1'b0;
else
begin
if(odck_cnt < HSYNC)
hs_sync <= 1'b1;
else
hs_sync <= 1'b0;
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
vs_sync <= 1'b0;
else
begin
if(h_cnt < VSYNC)
vs_sync <= 1'b1;
else
vs_sync <= 1'b0;
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
vs_sync_tmp1 <= 1'b0;
else
vs_sync_tmp1 <= vs_sync;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
de_tmp1 <= 1'b0;
else
de_tmp1 <= de;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
video_mode <= 8'h0;
else
video_mode <= pix_mode_i;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
move_i_tmp <= 5'b0;
else
move_i_tmp <= move_i;
//像素的宽度 竖条情况下
reg [7:0]middle_number;
reg pix_w_i_flag; //奇数偶数标志
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
pix_w_i_flag <= 1'b0;
else
pix_w_i_flag <= pix_w_i% 2'd2;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
middle_number <= 8'b0;
else if(pix_w_i_flag)
middle_number <= (pix_w_i + 1'b1)/2;
else
middle_number <= pix_w_i[7:1];
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
pix_w_i_tmp <= 8'b0;
else
pix_w_i_tmp <= pix_w_i;
//要让copy_cnt动起来
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
copy_cnt <= 8'b0;
else if(de_before_tmp1_pos && (move_i == 5'h01 || move_i == 5'h02) && pix_w_i_tmp_cnt!=8'h0)begin//给初始值 只有动的时候这个赋值才会起作用
if(move_i == 5'h2)//右边移动
copy_cnt <= double_vs_step + 1'b1;
else if(move_i == 5'h1)//左边移动
copy_cnt <= pix_w_i - 1'b1 - double_vs_step;
end
else if(de_before_tmp1)begin
if(copy_cnt == pix_w_i_tmp - 1'b1)
copy_cnt <= 8'b0;
else
copy_cnt <= copy_cnt + 1'b1;
end
else
copy_cnt <= 8'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
copy_cnt_static <= 8'b0;
else if(de_before_tmp1)begin
if(copy_cnt_static == pix_w_i_tmp - 1'b1)
copy_cnt_static <= 8'b0;
else
copy_cnt_static <= copy_cnt_static + 1'b1;
end
else
copy_cnt_static <= 8'b0;
//像素的初始数值 竖条情况下
reg [11:0]pix_start_i_tmp;
reg [11:0] move_step_cnt;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
pix_start_i_tmp <= 12'b0;
else
pix_start_i_tmp <= pix_start_i;
reg [7:0]data_value_start_remeber;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
data_value_start_remeber <= 8'b0;
else if(de_before_tmp4_pos_modelsim_ture)begin
if(move_i_tmp == 5'h01)//右移动
data_value_start_remeber <= data_value_start_remeber - 1'b1;
else if(move_i_tmp == 5'h02)//左移动
data_value_start_remeber <= data_value_start_remeber + 1'b1;
else if(move_i_tmp == 5'h04)
data_value_start_remeber <= data_value_start_remeber;
else
data_value_start_remeber <= pix_start_i_tmp[7:0];
end
else
data_value_start_remeber <= data_value_start_remeber;
reg hs_vaild;//只取中间有效的那一部分
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
hs_vaild <= 1'b0;
else if(h_cnt > 13'd70 && h_cnt <= 13'd2230)
hs_vaild <= hs_sync;
else
hs_vaild <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
begin
if(!rst_n)
begin
value_valid <= 1'b0;
data_value <= 8'h0;
//data_value_start <= 8'h0;
end
else
begin
case(pix_mode_i)// 第一个修改 video_mode
8'h00,8'h01,8'h02,
8'h03,8'h04: //黑、红、绿、蓝、白灰度
begin
value_valid <= 1'b1;
data_value <= 8'hff;
end
8'h05,8'h06,
8'h07,8'h08: //红、绿、蓝、白竖向色带
begin
value_valid <= 1'b1;
if(de_before_tmp4_pos_modelsim_ture)//之前用的是hs_sync,现在用de_before_tmp4上升沿,去掉多余的de_before_tmp4_pos，改用一个de
begin
if(move_i_tmp == 5'h02)//左移动
data_value <= data_value + 1'b1;
else if(move_i_tmp == 5'h01)//右移动
data_value <= data_value - 1'b1;//本来是减move_step_cnt
else if(move_i_tmp == 5'h04)
data_value <= data_value;//data_value
else
data_value <= pix_start_i_tmp[7:0];//pix_start_i_tmp[7:0]
end
else if(hs_vaild)
data_value <= data_value_start_remeber;
else if(move_i_tmp == 5'h01)begin
if(double_vs_step == 8'h0)begin
if(de_before_tmp1 && copy_cnt == pix_w_i_tmp - 1'b1 - double_vs_step )//第一个特殊情况
data_value <= data_value + 2'd2;
end
else if(de_before_tmp1 && copy_cnt == double_vs_step - 1'b1 )//正常情况
data_value <= data_value + 2'd2;
end
//数据的产生方式
else if(de_before_tmp1 && copy_cnt == pix_w_i_tmp -1'b1- double_vs_step)
data_value <= data_value + 2'd2;
end
default: value_valid <= 1'b0;
endcase
end
end
//左移和右移
reg [7:0] time_gap_i_tmp;
reg [11:0] move_cnt;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
time_gap_i_tmp <= 8'b0;
else
time_gap_i_tmp <= time_gap_i;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
vs_cnt <= 8'h0;
else if(move_i_tmp == 5'h04 || move_i_tmp == 5'h00 || move_i_flag)//move_i_flag是表示当在5'h01和5'h02之间变换的时候
vs_cnt <= 8'h0;
else begin
if(vs_cnt == time_gap_i-1'b1 && (vs_sync&&(~vs_sync_tmp1)))//time_gap_i_tmp
vs_cnt <= 8'h0;
else if(vs_sync&&(~vs_sync_tmp1))
vs_cnt <= vs_cnt + 1'b1;
else
vs_cnt <= vs_cnt;
end
reg move_i_flag_en;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
move_i_flag <= 1'b0;
else if((move_i_tmp==5'h02&&move_i==5'h01) || (move_i_tmp==5'h01&&move_i==5'h02)) //5'h01跳到5'h02 或者 5'h02跳到5'h01
move_i_flag <= 1'b1;
else
move_i_flag <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
move_i_flag_en <= 1'b0;
else if(move_i_tmp==5'h01&&move_i==5'h04)
move_i_flag_en <= 1'b1;
else if(move_i_tmp==5'h04&&move_i==5'h01)
move_i_flag_en <= 1'b0;
else
move_i_flag_en <= move_i_flag_en;
//转换期间的en
reg change_en;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
change_en <= 1'b0;
else if(move_i_flag)//开始标志
change_en <= 1'b1;
else if(move_step_cnt == 1'b0)//结束标志
change_en <= 1'b0;
else
change_en <= change_en;
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
move_step_cnt <= 12'b0;
else if(move_i_tmp == 5'h00)
move_step_cnt <= 12'h0;
else if(move_i_tmp == 5'h04)
move_step_cnt <= move_step_cnt;
else if(change_en)
if(vs_cnt == time_gap_i-1'b1 && (vs_sync&&(~vs_sync_tmp1)))
move_step_cnt <= move_step_cnt - 1'b1;
else
move_step_cnt <= move_step_cnt;
else begin
if(move_step_cnt == H_VALID )
move_step_cnt <= 12'b0;
else if(vs_cnt == time_gap_i-1'b1 && (vs_sync&&(~vs_sync_tmp1)))
move_step_cnt <= move_step_cnt + 1'b1;
else
move_step_cnt <= move_step_cnt;
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
move_cnt <= 12'b0;
else if(move_i_tmp == 5'h02)begin //左移动
if(change_en)
move_cnt <= odck_cnt - move_step_cnt;//特殊情况
else
move_cnt <= odck_cnt + move_step_cnt;
end
else if(move_i_tmp == 5'h01)begin //右移动
if(change_en)
move_cnt <= odck_cnt + move_step_cnt;
else
move_cnt <= odck_cnt - move_step_cnt;
end
else if(move_i_tmp == 5'h04)begin
if(move_i_flag_en)
move_cnt <= odck_cnt - move_step_cnt;
else
move_cnt <= odck_cnt + move_step_cnt;
end
else
move_cnt <= odck_cnt;
[email protected](posedge clk_i or negedge rst_n)
begin
if(!rst_n)
position_valid <= 1'b0;
else
begin
case(pix_mode_i)
8'h09:begin //白横线
if(h_cnt % DISTANCE ==0)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
end
8'h0a:begin //白竖线
if(move_cnt % 5'd16 ==0)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
end
8'h0b:begin //白网格
if(h_cnt % DISTANCE ==0 || move_cnt % 5'd16 ==0)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
end
8'h0c: // 白斜线/
begin
case(h_cnt%32)
6'd0,6'd1: if(move_cnt%16==6'd15)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd2,6'd3: if(move_cnt%16==6'd14)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd4,6'd5: if(move_cnt%16==6'd13)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd6,6'd7: if(move_cnt%16==6'd12)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd8,6'd9: if(move_cnt%16==6'd11)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd10,6'd11:if(move_cnt%16==6'd10)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd12,6'd13:if(move_cnt%16==6'd9)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd14,6'd15:if(move_cnt%16==6'd8)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd16,6'd17:if(move_cnt%16==6'd7)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd18,6'd19:if(move_cnt%16==6'd6)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd20,6'd21:if(move_cnt%16==6'd5)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd22,6'd23:if(move_cnt%16==6'd4)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd24,6'd25:if(move_cnt%16==6'd3)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd26,6'd27:if(move_cnt%16==6'd2)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd28,6'd29:if(move_cnt%16==6'd1)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd30,6'd31:if(move_cnt%16==6'd0)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
endcase
end
8'h0d: // 白斜线\
begin
case(h_cnt%32)
//斜线2
6'd0,6'd1: if(move_cnt%16==6'd0)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd2,6'd3: if(move_cnt%16==6'd1)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd4,6'd5: if(move_cnt%16==6'd2)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd6,6'd7: if(move_cnt%16==6'd3)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd8,6'd9: if(move_cnt%16==6'd4)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd10,6'd11:if(move_cnt%16==6'd5)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd12,6'd13:if(move_cnt%16==6'd6)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd14,6'd15:if(move_cnt%16==6'd7)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd16,6'd17:if(move_cnt%16==6'd8)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd18,6'd19:if(move_cnt%16==6'd9)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd20,6'd21:if(move_cnt%16==6'd10)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd22,6'd23:if(move_cnt%16==6'd11)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd24,6'd25:if(move_cnt%16==6'd12)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd26,6'd27:if(move_cnt%16==6'd13)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd28,6'd29:if(move_cnt%16==6'd14)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd30,6'd31:if(move_cnt%16==6'd15)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
endcase
end
8'h0e: // 白交叉斜线
begin
case(h_cnt%32)
6'd0,6'd1: if(move_cnt%16==6'd0 || move_cnt%16==6'd15)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd2,6'd3: if(move_cnt%16==6'd1 || move_cnt%16==6'd14)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd4,6'd5: if(move_cnt%16==6'd2 || move_cnt%16==6'd13)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd6,6'd7: if(move_cnt%16==6'd3 || move_cnt%16==6'd12)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd8,6'd9: if(move_cnt%16==6'd4 || move_cnt%16==6'd11)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd10,6'd11:if(move_cnt%16==6'd5 || move_cnt%16==6'd10)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd12,6'd13:if(move_cnt%16==6'd6 || move_cnt%16==6'd9)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd14,6'd15:if(move_cnt%16==6'd7 || move_cnt%16==6'd8)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd16,6'd17:if(move_cnt%16==6'd8 || move_cnt%16==6'd7)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd18,6'd19:if(move_cnt%16==6'd9 || move_cnt%16==6'd6)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd20,6'd21:if(move_cnt%16==6'd10 || move_cnt%16==6'd5)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd22,6'd23:if(move_cnt%16==6'd11 || move_cnt%16==6'd4)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd24,6'd25:if(move_cnt%16==6'd12 || move_cnt%16==6'd3)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd26,6'd27:if(move_cnt%16==6'd13 || move_cnt%16==6'd2)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd28,6'd29:if(move_cnt%16==6'd14 || move_cnt%16==6'd1)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
6'd30,6'd31:if(move_cnt%16==6'd15 || move_cnt%16==6'd0)
position_valid <= 1'b1;
else
position_valid <= 1'b0;
endcase
end
endcase
end
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
position_valid_one <= 1'b0;
else if(pix_mode_i == 8'h0e)begin //video_mode
if( ((h_cnt%32==6'd0 ||h_cnt%32==6'd1 )&& move_cnt%16==6'd0 ) ||
((h_cnt%32==6'd2 ||h_cnt%32==6'd3 )&& move_cnt%16==6'd1 ) ||
((h_cnt%32==6'd4 ||h_cnt%32==6'd5 )&& move_cnt%16==6'd2 ) ||
((h_cnt%32==6'd6 ||h_cnt%32==6'd7 )&& move_cnt%16==6'd3 ) ||
((h_cnt%32==6'd8 ||h_cnt%32==6'd9 )&& move_cnt%16==6'd4 ) ||
((h_cnt%32==6'd10||h_cnt%32==6'd11)&& move_cnt%16==6'd5 ) ||
((h_cnt%32==6'd12||h_cnt%32==6'd13)&& move_cnt%16==6'd6 ) ||
((h_cnt%32==6'd14||h_cnt%32==6'd15)&& move_cnt%16==6'd7 ) ||
((h_cnt%32==6'd16||h_cnt%32==6'd17)&& move_cnt%16==6'd8 ) ||
((h_cnt%32==6'd18||h_cnt%32==6'd19)&& move_cnt%16==6'd9 ) ||
((h_cnt%32==6'd20||h_cnt%32==6'd21)&& move_cnt%16==6'd10 ) ||
((h_cnt%32==6'd22||h_cnt%32==6'd23)&& move_cnt%16==6'd11 ) ||
((h_cnt%32==6'd24||h_cnt%32==6'd25)&& move_cnt%16==6'd12 ) ||
((h_cnt%32==6'd26||h_cnt%32==6'd27)&& move_cnt%16==6'd13 ) ||
((h_cnt%32==6'd28||h_cnt%32==6'd29)&& move_cnt%16==6'd14 ) ||
((h_cnt%32==6'd30||h_cnt%32==6'd31)&& move_cnt%16==6'd15 )
)
position_valid_one <= 1'b1;
else
position_valid_one <= 1'b0;
end
else
position_valid_one <= 1'b0;
[email protected](posedge clk_i or negedge rst_n)
begin
if(!rst_n)
begin
red_color_valid <= 1'b0;
green_color_valid <= 1'b0;
blue_color_valid <= 1'b0;
end
else
begin
case(pix_mode_i) //video_mode
//黑屏
8'h00:
begin
red_color_valid <= 1'b0;
green_color_valid <= 1'b0;
blue_color_valid <= 1'b0;
end
//全白、白竖条、白横线、白竖线、白网格、白左斜线、白右斜线、白交叉斜线
8'h04,8'h08,8'h09,8'h0a,8'h0b,8'h0c,8'h0d,8'h0e:
begin
red_color_valid <= 1'b1;
green_color_valid <= 1'b1;
blue_color_valid <= 1'b1;
end
//红屏、红条
8'h01,8'h05:
begin
red_color_valid <= 1'b1;
green_color_valid <= 1'b0;
blue_color_valid <= 1'b0;
end
//绿屏、绿竖条
8'h02,8'h06:
begin
red_color_valid <= 1'b0;
green_color_valid <= 1'b1;
blue_color_valid <= 1'b0;
end
//蓝屏、蓝竖条
8'h03,8'h07:
begin
red_color_valid <= 1'b0;
green_color_valid <= 1'b0;
blue_color_valid <= 1'b1;
end
default: begin
red_color_valid <= 1'b0;
green_color_valid <= 1'b0;
blue_color_valid <= 1'b0;
end
endcase
end
end
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
video_da_o_tmp <= 48'h0;
else
case(pix_mode_i)//video_mode
8'h0a: video_da_o_tmp <={green_data,blue_data,red_data,8'b0,8'b0,8'b0};
8'h0b: if(h_cnt % DISTANCE ==0)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data};
else
video_da_o_tmp <={green_data,blue_data,red_data,8'b0,8'b0,8'b0};
8'h0c: if(h_cnt % 2 ==0)
video_da_o_tmp <={8'b0,8'b0,8'b0,green_data,blue_data,red_data};
else
video_da_o_tmp <={green_data,blue_data,red_data,8'b0,8'b0,8'b0};
8'h0d: if(h_cnt % 2 ==0)
video_da_o_tmp <={green_data,blue_data,red_data,8'b0,8'b0,8'b0};
else
video_da_o_tmp <={8'b0,8'b0,8'b0,green_data,blue_data,red_data};
8'h0e: begin
if(h_cnt %2 ==0)begin
if(position_valid_one)
video_da_o_tmp <={green_data,blue_data,red_data,8'b0,8'b0,8'b0};
//else if(position_valid_two)
else
video_da_o_tmp <={8'b0,8'b0,8'b0,green_data,blue_data,red_data};
end
else begin
if(position_valid_one)
video_da_o_tmp <={8'b0,8'b0,8'b0,green_data,blue_data,red_data};
else
video_da_o_tmp <={green_data,blue_data,red_data,8'b0,8'b0,8'b0};
end
end
5'h5:
if(!pix_w_i_flag)begin
if(copy_cnt==middle_number)
video_da_o_tmp <= {green_data,blue_data,red_data+1'b1,green_data,blue_data,red_data+1'b1};
else if(copy_cnt== 1'b0)
video_da_o_tmp <= {green_data,blue_data,red_data,green_data,blue_data,red_data};
else
video_da_o_tmp <= video_da_o_tmp;
end
else begin
if(copy_cnt == middle_number - 1'b1)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data+1'b1 };
else if(copy_cnt == middle_number )
video_da_o_tmp <={green_data,blue_data,red_data+1'b1,green_data,blue_data,red_data+1'b1};
else if(copy_cnt == 1'b0)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data };
else
video_da_o_tmp <= video_da_o_tmp;
end
5'h6:
if(!pix_w_i_flag)begin
if(copy_cnt==middle_number)
video_da_o_tmp <= {green_data+1'b1,blue_data,red_data,green_data+1'b1,blue_data,red_data};
else if(copy_cnt== 1'b0)
video_da_o_tmp <= {green_data,blue_data,red_data,green_data,blue_data,red_data};
else
video_da_o_tmp <= video_da_o_tmp;
end
else begin
if(copy_cnt == middle_number - 1'b1)
video_da_o_tmp <={green_data,blue_data,red_data,green_data+1'b1,blue_data,red_data};
else if(copy_cnt == middle_number )
video_da_o_tmp <={green_data+1'b1,blue_data,red_data,green_data+1'b1,blue_data,red_data};
else if(copy_cnt == 1'b0)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data };
else
video_da_o_tmp <= video_da_o_tmp;
end
5'h7:
if(!pix_w_i_flag)begin
if(copy_cnt==middle_number)
video_da_o_tmp <= {green_data,blue_data+1'b1,red_data,green_data,blue_data+1'b1,red_data};
else if(copy_cnt== 1'b0)
video_da_o_tmp <= {green_data,blue_data,red_data,green_data,blue_data,red_data};
else
video_da_o_tmp <= video_da_o_tmp;
end
else begin
if(copy_cnt == middle_number - 1'b1)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data+1'b1,red_data};
else if(copy_cnt == middle_number )
video_da_o_tmp <={green_data,blue_data+1'b1,red_data,green_data,blue_data+1'b1,red_data};
else if(copy_cnt == 1'b0)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data };
else
video_da_o_tmp <= video_da_o_tmp;
end
5'h8:
if(!pix_w_i_flag)begin
if(copy_cnt==middle_number)
video_da_o_tmp <= {green_data+1'b1,blue_data+1'b1,red_data+1'b1,green_data+1'b1,blue_data+1'b1,red_data+1'b1};
else if(copy_cnt== 1'b0)
video_da_o_tmp <= {green_data,blue_data,red_data,green_data,blue_data,red_data};
else
video_da_o_tmp <= video_da_o_tmp;
end
else begin
if(copy_cnt == middle_number - 1'b1)
video_da_o_tmp <={green_data,blue_data,red_data,green_data+1'b1,blue_data+1'b1,red_data+1'b1 };
else if(copy_cnt == middle_number )
video_da_o_tmp <={green_data+1'b1,blue_data+1'b1,red_data+1'b1,green_data+1'b1,blue_data+1'b1,red_data+1'b1};
else if(copy_cnt == 1'b0)
video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data };
else
video_da_o_tmp <= video_da_o_tmp;
end
default:video_da_o_tmp <={green_data,blue_data,red_data,green_data,blue_data,red_data};
endcase
//添加的新的赋值方式
reg [47:0]video_da_o_tmp_tmp;
//GBR GBR
[email protected](posedge clk_i or negedge rst_n)
if(!rst_n)
video_da_o_tmp_tmp <= 48'b0;
else begin
case(pix_mode_i)
5'h5: //注释以这个为准
if(pix_w_i == 8'h1)
video_da_o_tmp_tmp <= video_da_o_tmp;
else if(flag_right_ji_high)//右移动 奇数 以5为例 2是高位加1 4是低位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24]+1'b1,
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_right_ji_low)//右移动 奇数 以5为例 2是高位加1 4是低位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]+1'b1};
else if(flag_right_ou)//右移动 偶数 以为6为例 2是低位加1 5也是低位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]+1'b1};
else if(flag_left_ji_low)//左移动 奇数 以5为例 0是高位减1 2是低位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]-1'b1};
else if(flag_left_ji_high)//左移动 奇数 以5为例 0是高位减1 2是低位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24]-1'b1,
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_left_ou)//左移动 偶数 以6为例 0是高位减1 3是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24]-1'b1,
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else
video_da_o_tmp_tmp <= video_da_o_tmp;
5'h6:
if(pix_w_i == 8'h1)
video_da_o_tmp_tmp <= video_da_o_tmp;
else if(flag_right_ji_high)//右移动 奇数 以5为例 3是高位加1 5是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40]+1'b1,
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_right_ji_low)//右移动 奇数 以5为例 3是高位加1 5是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16]+1'b1,
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_right_ou)//右移动 偶数 以为6为例 3是低位加1 6也是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16]+1'b1,
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_left_ji_low)//左移动 奇数 以5为例 1是低位减1 4是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16]-1'b1,
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_left_ji_high)//左移动 奇数 以5为例 1是低位减1 4是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40]-1'b1,
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_left_ou)//左移动 偶数 以6为例 1是低位加1，4是低位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40]-1'b1,
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else
video_da_o_tmp_tmp <= video_da_o_tmp;
5'h7:
if(pix_w_i == 8'h1)
video_da_o_tmp_tmp <= video_da_o_tmp;
else if(flag_right_ji_high)//右移动 奇数 以5为例 3是高位加1 5是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32]+1'b1,
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_right_ji_low)//右移动 奇数 以5为例 3是高位加1 5是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ]+1'b1,
video_da_o_tmp[7 :0 ]};
else if(flag_right_ou)//右移动 偶数 以为6为例 3是低位加1 6也是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ]+1'b1,
video_da_o_tmp[7 :0 ]};
else if(flag_left_ji_low)//左移动 奇数 以5为例 1是低位减1 4是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ]-1'b1,
video_da_o_tmp[7 :0 ]};
else if(flag_left_ji_high)//左移动 奇数 以5为例 1是低位减1 4是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32]-1'b1,
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_left_ou)//左移动 偶数 以6为例 1是低位加1，4是低位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32]-1'b1,
video_da_o_tmp[31:24],
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else
video_da_o_tmp_tmp <= video_da_o_tmp;
5'h8:
if(pix_w_i == 8'h1)
video_da_o_tmp_tmp <= video_da_o_tmp;
else if(flag_right_ji_high)//右移动 奇数 以5为例 3是高位加1 5是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40]+1'b1,
video_da_o_tmp[39:32]+1'b1,
video_da_o_tmp[31:24]+1'b1,
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_right_ji_low)//右移动 奇数 以5为例 3是高位加1 5是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16]+1'b1,
video_da_o_tmp[15:8 ]+1'b1,
video_da_o_tmp[7 :0 ]+1'b1};
else if(flag_right_ou)//右移动 偶数 以为6为例 3是低位加1 6也是地位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16]+1'b1,
video_da_o_tmp[15:8 ]+1'b1,
video_da_o_tmp[7 :0 ]+1'b1};
else if(flag_left_ji_low)//左移动 奇数 以5为例 1是低位减1 4是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40],
video_da_o_tmp[39:32],
video_da_o_tmp[31:24],
video_da_o_tmp[23:16]-1'b1,
video_da_o_tmp[15:8 ]-1'b1,
video_da_o_tmp[7 :0 ]-1'b1};
else if(flag_left_ji_high)//左移动 奇数 以5为例 1是低位减1 4是高位减1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40]-1'b1,
video_da_o_tmp[39:32]-1'b1,
video_da_o_tmp[31:24]-1'b1,
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else if(flag_left_ou)//左移动 偶数 以6为例 1是低位加1，4是低位加1
video_da_o_tmp_tmp <= {
video_da_o_tmp[47:40]-1'b1,
video_da_o_tmp[39:32]-1'b1,
video_da_o_tmp[31:24]-1'b1,
video_da_o_tmp[23:16],
video_da_o_tmp[15:8 ],
video_da_o_tmp[7 :0 ]};
else
video_da_o_tmp_tmp <= video_da_o_tmp;
default: video_da_o_tmp_tmp <= video_da_o_tmp;
endcase
end
assign video_da_o= video_da_o_tmp_tmp;
endmodule
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