经典马里奥小游戏的FPGA实现
新年好！祝各位朋友新年快乐！！健康平安！！！
代码有部分删减，不影响理解。
- 演示视频.
- 具体过程：
- 按下十字按键的中央按键开始游戏。
- 碰到柱子边界游戏结束。
- 累计平安通过一定数量的柱子障碍，获得积分奖励，
- 可选择继续游戏，失败则成绩全部清零；或直接结束游戏，并存档游戏进度。
- 原理：VGA显示、基本逻辑约束
- 目的：分享、学习、成长、感谢。
具体代码片段：
`timescale 1ns / 1ps
//阿汪先生的博客
module project_all(clk,disp_rgb,hsync,vsync,btn_up,btn_down,btn_left,btn_right,rst,btn_start);
input clk,rst;
input btn_up,btn_down,btn_left,btn_right,btn_start;
output[11:0] disp_rgb;
output hsync,
vsync;
reg[9:0] hcount;
reg[9:0] vcount;
reg[11:0] data;
reg[11:0] data0;
reg[11:0] data1;
reg[11:0] data2;
reg[11:0] data3;
reg[1:0] flag=0;
wire hcount_ov;
wire vcount_ov;
wire dat_act;
wire hsync;
wire vsync;
reg vga_clk=0;
reg cnt_clk=0;
reg[11:0] hd_dat;
reg[11:0] a=0;
reg[11:0] b=0,c=0,d=0,e=0,f=0,g=0,h=0,
e1=0,e2=0,e3=0,e4=0,e5=0,e6=0;
reg[11:0] x1=0,xr1=0,x2=0,xr2=0,xr3=0,xr4=0,xr5=0,xr6=0;
reg[31:0] rand1=32'b11001011010011010110101101100101;
reg[31:0] rand2=32'b10100110010101010010110101010110;
reg[7:0] count=0;
reg out_sig=1'b0;
reg [7:0] cnt;
//VGA行，场扫描时序参数表
parameter
hsync_end = 10'd95,
hdat_begin = 10'd143,
hdat_end = 10'd783,
hpixel_end = 10'd799,
vsync_end = 10'd1,
vdat_begin = 10'd34,
vdat_end = 10'd514,
vline_end = 10'd524,
fk_top = 10'd173,
fk_bottom = 10'd198,
fk_leftside= 10'd759,
fk_rightside=10'd784,
fk_speed = 10'd3; //速度控制
always@(posedge clk)
begin
if(cnt_clk == 1)
begin
vga_clk <= ~vga_clk;
cnt_clk <= 0;
end
else
cnt_clk <= cnt_clk + 1;
end
/**********VGA驱动**********/
//行扫描
always@(posedge vga_clk)
begin
if(hcount_ov)
hcount <= 10'd0;
else
hcount <= hcount + 10'd1;
end
assign hcount_ov = (hcount == hpixel_end);
//场扫描
always@(posedge vga_clk)
begin
if(hcount_ov)
begin
if(vcount_ov)
vcount <= 10'd0;
else
vcount <= vcount + 10'd1;
end
end
assign vcount_ov = (vcount == vline_end);
//数据、同步信号输入
assign dat_act = ((hcount >= hdat_begin) && (hcount < hdat_end)) && ((vcount > vdat_begin) && (vcount<vdat_end));
assign hsync = (hcount > hsync_end);
assign vsync = (vcount > vsync_end);
assign disp_rgb = (dat_act)?data:3'h00;
//伪随机数
always@(posedge vga_clk)
begin
if(e1==0)
begin
x1 <= rand1 % (4'd7);
if(rand1==0)
rand1 <= 32'b11001011010011010110101101100101; //每次左移数据后再取余，实现伪随机数
else
rand1 <= rand1 << 1;
end
else
x1<=x1;
xr1 <= x1 * 5'd20; //120
end
always@(posedge vga_clk)
begin
if(e2==0)
begin
x2 <= rand2 % (4'd7);
if(rand2==0)
rand2 <= 32'b10100110010101010010110101010110;
else
rand2 <= rand2 << 1;
end
else
x2<=x2;
xr2 <= x2 * 5'd20; //120
end
always@(posedge vga_clk)
begin
if(e3==0)
xr3 <= xr1+xr2; //240
else
xr3<=xr3;
end
always@(posedge vga_clk)
begin
if(e4==0)
xr4 <= xr1 + xr2 /2'd2; //180
else
xr4 <= xr4;
end
always@(posedge vga_clk)
begin
if(e5==0)
xr5 <= xr2 + xr1 / 2'd2; //180
else
xr5 <= xr5;
end
always@(posedge vga_clk)
begin
if(e6==0)
xr6 <= xr2 ; //120
else
xr6 <= xr6;
end
//开始和内容切换
always @ (posedge vga_clk)
begin
if(!rst)
begin
data =data0;
end
else
begin
case(flag)
2'd0: data =data0;
2'd1: data =data1;
2'd2: data =data2;
2'd3: data =data3;
endcase
end
end
//控制
always@(posedge vcount_ov)
begin
if(btn_start)
flag=1;
else
flag=flag;
//马里奥移动方向的控制
if(flag == 1)
begin
//方块上移
if(btn_up && (fk_top-a+c)>=40)
a = a+fk_speed;
else
a=a;
//方块下移
if(btn_down && (fk_bottom-a+c) <= 510)
c = c+fk_speed;
else
c=c;
//左移
if(btn_left && (fk_leftside -b+d)>=144)
b=b+fk_speed;
else
b=b;
//右移
if(btn_right && (fk_rightside-b+d)<=784)
d=d+fk_speed;
else
d=d;
//柱子移动
//a柱
if(e1<=644)
e1=e1+1;
else
e1=0;
//b柱
if( (e1>=110) || (e2>0) )
e2=e2+1;
else
e2=0;
if(e2 == 644)
e2=0;
else
e2=e2;
//为避免篇幅过长，省略c、d、e、f柱子的移动代码
//柱子右边界
//a
if((fk_leftside-b+d) >= (136+e1) && (fk_leftside-b+d) <= (140+e1) && (fk_top-a+c) <= (300-xr1)) //上
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//b
if( (fk_leftside-b+d) >= (136+e2) && (fk_leftside-b+d) <= (140+e2) && (fk_bottom-a+c) >= (200+xr2)) //下
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//为避免篇幅过长，省略c、d、e、f柱子的右边界的代码
//柱子下边界
//a
if( (fk_top-a+c) >= (296-xr1) && (fk_top-a+c) <= (300-xr1) && (fk_leftside-b+d) < (140+e1) && (fk_rightside-b+d) > (119+e1)) //上
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//为避免篇幅过长，省略c、d、e、f柱子的下边界代码
//柱子上边界
//b
if( (fk_bottom-a+c) >= (200+xr2) && (fk_bottom-a+c) <= (204+xr2) && (fk_leftside-b+d) < (140+e2) && (fk_rightside-b+d) > (119+e2)) //下
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//d
if( (fk_bottom-a+c) >= (240+xr4) && (fk_bottom-a+c) <= (244+xr4) && (fk_leftside-b+d) < (140+e4) && (fk_rightside-b+d) > (119+e4)) //下
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//e
if( (fk_bottom-a+c) >= (200+xr5) && (fk_bottom-a+c) <= (204+xr5) && (fk_leftside-b+d) < (140+e5) && (fk_rightside-b+d) > (119+e5)) //下
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//柱子左边界
//a
if( (fk_rightside-b+d) >= (119+e1) && (fk_rightside-b+d) <= (123+e1) && (fk_top-a+c) <= (300-xr1)) //上
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag=2;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//b
if( (fk_rightside-b+d) >= (119+e2) && (fk_rightside-b+d) <= (123+e2) && (fk_bottom-a+c) >= (200+xr2)) //下
begin
count =0;
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag=2;
end
else
begin
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
//为避免篇幅过长，省略c、d、e、f柱子的左边界代码
//计数
//a
if((fk_rightside-b+d) == (119 +e1))
begin
count=1;
end
//b
else if((fk_rightside-b+d) == (119 +e2))
begin
count=2;
end
//c
else if((fk_rightside-b+d) == (119 +e3))
begin
count=3;
end
//d
else if((fk_rightside-b+d) == (119 +e4))
begin
count=4;
end
//e
else if((fk_rightside-b+d) == (119 +e5))
begin
count=5;
end
//f
else if((fk_rightside-b+d) <= (119 +e6))
begin
count=6;
end
if(count == 6) //达到目标障碍数，进入奖励结算页面
begin
a=0;
b=0;
c=0;
d=0;
e1=0;
e2=0;
e3=0;
e4=0;
e5=0;
e6=0;
flag = 3;
count =0;
end
else
begin
count =count;
a=a;
b=b;
c=c;
d=d;
e1=e1;
e2=e2;
e3=e3;
e4=e4;
e5=e5;
e6=e6;
end
end
else
flag = flag;
end
always @ (count)
begin
cnt = count;
end
//图像显示
always @ (posedge vga_clk)
begin
//柱子
//6根柱子以“上下上下下上”的序列顺序出现
//a
if(hcount>(119+e1) && hcount < (140+e1 ) && vcount < (300-xr1) && vcount >35 ) //上
data1 <= 12'h010;
//b
else if(hcount>(119+e2) && hcount < (140+e2 ) && vcount > (200+xr2) && vcount <515) //下
data1 <= 12'h010;
//c
else if(hcount>(119+e3) && hcount < (140+e3 ) && vcount < (300-xr3) && vcount > 35) //上
data1 <= 12'h010;
//d
else if(hcount>(119+e4) && hcount < (140+e4 ) && vcount > (240+xr4) && vcount <515) //下
data1 <= 12'h010;
//e
else if(hcount>(119+e5) && hcount < (140+e5 ) && vcount > (200+xr5) && vcount <515) //下
data1 <= 12'h010;
//f
else if(hcount>(119+e6) && hcount < (140+e6 ) && vcount < (300-xr6) && vcount > 35) //上
data1 <= 12'h010;
//马里奥
//图片不同颜色区域分别赋值
//1
else if(hcount >= (768-b+d) && hcount <= (773-b+d) && vcount >= (173-a+c) && vcount <=(174-a+c))
data1 <= 12'hf00;
//2
else if(hcount >= (764-b+d) && hcount <= (773-b+d) && vcount >( 174-a+c) && vcount <=(175-a+c))
data1 <= 12'hf00;
//3
else if(hcount >= (764-b+d) && hcount <= (773-b+d) && vcount > (175-a+c) && vcount <=(176-a+c))
data1 <= 12'hf00;
//4
else if(hcount > (767-b+d) && hcount <=( 768-b+d) && vcount > (176-a+c) && vcount <=(177-a+c))
data1 <= 12'h68b;
else if(hcount > (768-b+d) && hcount <= (770-b+d) && vcount > (176-a+c) && vcount <=(177-a+c))
data1 <= 12'hffc;
else if(hcount > (770-b+d) && hcount <= (773-b+d) && vcount > (176-a+c) && vcount <=(177-a+c))
data1 <= 12'h0cd;
//5
else if(hcount >( 767-b+d) && hcount <= (768-b+d) && vcount > (177-a+c) && vcount <=(178-a+c))
data1 <= 12'h68b;
else if(hcount > (764-b+d) && hcount <= (767-b+d) && vcount >( 177-a+c) && vcount <=(178-a+c))
data1 <= 12'h68b;
else if(hcount > (768-b+d) && hcount <= (775-b+d) && vcount > (177-a+c) && vcount <=(178-a+c))
data1 <= 12'h0cd;
else if(hcount > (775-b+d) && hcount <=( 777-b+d) && vcount > (177-a+c) && vcount <=(178-a+c))
data1 <= 12'h0cd;
//6
else if(hcount > (762-b+d) && hcount <= (775-b+d) && vcount > (178-a+c) && vcount <=(179-a+c))
data1 <= 12'hffc;
else if(hcount >( 775-b+d) && hcount <= (777-b+d) && vcount >( 178-a+c) && vcount <=(179-a+c))
data1 <= 12'h0cd;
//7
else if(hcount > (762-b+d) && hcount <= (766-b+d) && vcount >( 179-a+c) && vcount <=(180-a+c))
data1 <= 12'hffc;
else if(hcount > (766-b+d) && hcount <= (767-b+d) && vcount > (179-a+c) && vcount <=(180-a+c))
data1 <= 12'h0cd;
else if(hcount > (767-b+d) && hcount <= (773-b+d) && vcount >( 179-a+c) && vcount <=(180-a+c))
data1 <= 12'hffc;
else if(hcount > (773-b+d) && hcount <= (777-b+d) && vcount > (179-a+c) && vcount <=(180-a+c))
data1 <= 12'h0cd;
//8
else if(hcount > (764-b+d) && hcount <= (767-b+d) && vcount > (180-a+c) && vcount <=(181-a+c))
data1 <= 12'h0cd;
else if(hcount > (767-b+d) && hcount <= (773-b+d) && vcount > (180-a+c) && vcount <=(181-a+c))
data1 <= 12'hffc;
//9
else if(hcount > (765-b+d) && hcount <= (774-b+d) && vcount > (181-a+c) && vcount <=(182-a+c))
data1 <= 12'h0cd;
//10
else if(hcount > (767-b+d) && hcount <= (773-b+d) && vcount > (182-a+c) && vcount <=(183-a+c))
data1 <= 12'h0cd;
//11
else if(hcount > (766-b+d) && hcount <= (774-b+d) && vcount > (183-a+c) && vcount <=(184-a+c))
data1 <= 12'hf00;
//12
else if(hcount > (764-b+d) && hcount <= (776-b+d) && vcount > (184-a+c) && vcount <=(185-a+c))
data1 <= 12'hf00;
//13
else if(hcount > (763-b+d) && hcount <= (772-b+d) && vcount > (185-a+c) && vcount <=(186-a+c))
data1 <= 12'hf00;
else if(hcount >( 772-b+d) && hcount <=( 774-b+d) && vcount >( 185-a+c) && vcount <=(186-a+c))
data1 <= 12'h00f;
else if(hcount > (774-b+d) && hcount <= (778-b+d) && vcount > (185-a+c) && vcount <=(186-a+c))
data1 <= 12'hf00;
//14
else if(hcount > (761-b+d) && hcount <= (766-b+d) && vcount >( 186-a+c) && vcount <=(187-a+c))
data1 <= 12'hf00;
else if(hcount > (766-b+d) && hcount <= (768-b+d) && vcount > (186-a+c) && vcount <=(187-a+c))
data1 <= 12'h00f;
else if(hcount > (768-b+d) && hcount <= (772-b+d) && vcount >( 186-a+c) && vcount <=(187-a+c))
data1 <= 12'hf00;
else if(hcount > (772-b+d) && hcount <= (774-b+d) && vcount > (186-a+c) && vcount <=(187-a+c))
data1 <= 12'h00f;
else if(hcount > (774-b+d) && hcount <= (781-b+d) && vcount > (186-a+c) && vcount <=(187-a+c))
data1 <= 12'hf00;
//15
else if(hcount > (760-b+d) && hcount <= (766-b+d) && vcount > (187-a+c) && vcount <=(188-a+c))
data1 <= 12'hf00;
else if(hcount > (766-b+d) && hcount <= (768-b+d) && vcount > (187-a+c) && vcount <=(188-a+c))
data1 <= 12'h00f;
else if(hcount > (768-b+d) && hcount <= (772-b+d) && vcount > (187-a+c) && vcount <=(188-a+c))
data1 <= 12'hf00;
else if(hcount > (772-b+d) && hcount <= (774-b+d) && vcount > (187-a+c) && vcount <=(188-a+c))
data1 <= 12'h00f;
else if(hcount > (774-b+d) && hcount <= (783-b+d) && vcount > (187-a+c) && vcount <=(188-a+c))
data1 <= 12'hf00;
//16
else if(hcount > (759-b+d) && hcount <= (764-b+d) && vcount > (188-a+c) && vcount <=(189-a+c))
data1 <= 12'hf00;
else if(hcount > (764-b+d) && hcount <= (766-b+d) && vcount >( 188-a+c) && vcount <=(189-a+c))
data1 <= 12'hffc;
else if(hcount > (766-b+d) && hcount <= (774-b+d) && vcount >( 188-a+c) && vcount <=(189-a+c))
data1 <= 12'h00f;
else if(hcount > (774-b+d) && hcount <= (776-b+d) && vcount > (188-a+c) && vcount <=(189-a+c))
data1 <= 12'hffc;
else if(hcount > (776-b+d) && hcount <= (778-b+d) && vcount >( 188-a+c) && vcount <=(189-a+c))
data1 <= 12'hf00;
else if(hcount > (778-b+d) && hcount < (784-b+d) && vcount > (188-a+c) && vcount <=(189-a+c))
data1 <= 12'hffc;
//17
else if(hcount > (759-b+d) && hcount <= (761-b+d) && vcount > (189-a+c) && vcount <=(190-a+c))
data1 <= 12'hffc;
else if(hcount > (761-b+d) && hcount <= (762-b+d) && vcount > (189-a+c) && vcount <=(190-a+c))
data1 <= 12'hf00;
else if(hcount > (762-b+d) && hcount <= (766-b+d) && vcount > (189-a+c) && vcount <=(190-a+c))
data1 <= 12'hffc;
else if(hcount > (766-b+d) && hcount <= (774-b+d) && vcount > (189-a+c) && vcount <=(190-a+c))
data1 <= 12'h00f;
else if(hcount > (774-b+d) && hcount < (784-b+d) && vcount > (189-a+c) && vcount <=(190-a+c))
data1 <= 12'hffc;
//18
else if(hcount > (759-b+d) && hcount <= (767-b+d) && vcount > (190-a+c) && vcount <=(191-a+c))
data1 <= 12'hffc;
else if(hcount > (767-b+d) && hcount <= (773-b+d) && vcount >( 190-a+c) && vcount <=(191-a+c))
data1 <= 12'h00f;
else if(hcount > (773-b+d) && hcount < (784-b+d) && vcount > (190-a+c) && vcount <=(191-a+c))
data1 <= 12'hffc;
//19
else if(hcount > (759-b+d) && hcount <= (767-b+d) && vcount > (191-a+c) && vcount <=(192-a+c))
data1 <= 12'hffc;
else if(hcount > (767-b+d) && hcount <= (773-b+d) && vcount > (191-a+c) && vcount <=(192-a+c))
data1 <= 12'h00f;
else if(hcount > (773-b+d) && hcount < (784-b+d) && vcount > (191-a+c) && vcount <=(192-a+c))
data1 <= 12'hffc;
//20
else if(hcount > (765-b+d) && hcount <= (775-b+d) && vcount > (192-a+c) && vcount <=(193-a+c))
data1 <= 12'h00f;
//21
else if(hcount > (763-b+d) && hcount <= (777-b+d) && vcount > (193-a+c) && vcount <=(194-a+c))
data1 <= 12'h00f;
//22
else if(hcount > (761-b+d) && hcount <= (779-b+d) && vcount > (194-a+c) && vcount <=(195-a+c))
data1 <= 12'h00f;
//23
else if(hcount > (762-b+d) && hcount <= (765-b+d) && vcount >( 195-a+c) && vcount <=(196-a+c))
data1 <= 12'hb22;
else if(hcount > (775-b+d) && hcount <= (778-b+d) && vcount > (195-a+c) && vcount <=(196-a+c))
data1 <= 12'hb22;
//24
else if(hcount > (760-b+d) && hcount <=(765-b+d) && vcount > (196-a+c) && vcount <=(197-a+c))
data1 <= 12'hb22;
else if(hcount > (775-b+d) && hcount <= (781-b+d) && vcount > (196-a+c) && vcount <=(197-a+c))
data1 <= 12'hb22;
//25
else if(hcount > (760-b+d) && hcount <= (765-b+d) && vcount > (197-a+c) && vcount <=(198-a+c))
data1 <= 12'hb22;
else if(hcount > (775-b+d) && hcount <= (781-b+d) && vcount > (197-a+c) && vcount <=(198-a+c))
data1 <= 12'hb22;
else
data1 <= 12'h000;
end
// GO!
//绘制游戏初始准备界面
always@(posedge vga_clk)
begin
if((hcount>= 274 && hcount <= 294) && (vcount >= 200 && vcount <=350))
data0 <= 12'h111;
else if((hcount >= 274 && hcount <=394) && (vcount >= 200 && vcount <=220))
data0 <= 12'h111;
else if((hcount >= 274 && hcount <= 394) && (vcount >= 330 && vcount <=350))
data0 <= 12'h111;
else if((hcount >= 334 && hcount <= 394) && (vcount >= 275 && vcount <=295))
data0 <= 12'h111;
else if((hcount >= 374 && hcount <= 394) && (vcount >= 275 && vcount <= 350))
data0 <= 12'h111;
else if((hcount >= 454 && hcount <= 574) && (vcount >= 200 && vcount <= 220))
data0 <= 12'h111;
else if((hcount >= 454 && hcount <= 574) && (vcount >= 330 && vcount <= 350))
data0 <= 12'h111;
else if((hcount >= 454 && hcount <= 474) && (vcount >= 200 && vcount <= 350))
data0 <= 12'h111;
else if((hcount >= 554 && hcount <= 574) && (vcount >= 200 && vcount <= 350))
data0 <= 12'h111;
else if((hcount >= 634 && hcount <= 654) && (vcount >= 200 && vcount<= 310))
data0 <= 12'h111;
else if((hcount >= 634 && hcount<= 654) && (vcount >= 330 && vcount <= 350))
data0 <= 12'h111;
else data0 <= 12'h000;
end
//GG!
//绘制游戏结束界面
always@(posedge vga_clk)
begin
if((hcount>= 274 && hcount <= 294) && (vcount >= 200 && vcount <=350))
data2 <= 12'hf00;
else if((hcount >= 274 && hcount <=394) && (vcount >= 200 && vcount <=220))
data2 <= 12'hf00;
else if((hcount >= 274 && hcount <= 394) && (vcount >= 330 && vcount <=350))
data2 <= 12'hf00;
else if((hcount >= 334 && hcount <= 394) && (vcount >= 275 && vcount <=295))
data2 <= 12'hf00;
else if((hcount >= 374 && hcount <= 394) && (vcount >= 275 && vcount <= 350))
data2 <= 12'hf00;
else if((hcount>= 454 && hcount <= 474) && (vcount >= 200 && vcount <=350))
data2 <= 12'hf00;
else if((hcount >= 454 && hcount <= 574) && (vcount >= 200 && vcount <=220))
data2 <= 12'hf00;
else if((hcount >= 454 && hcount <= 574) && (vcount >= 330 && vcount <=350))
data2 <= 12'hf00;
else if((hcount >= 514 && hcount <= 574) && (vcount >= 275 && vcount <=295))
data2 <= 12'hf00;
else if((hcount >= 554 && hcount <= 574) && (vcount >= 275 && vcount <= 350))
data2 <= 12'hf00;
else if((hcount >= 634 && hcount <= 654) && (vcount >= 200 && vcount<= 310))
data2 <= 12'hf00;
else if((hcount >= 634 && hcount<= 654) && (vcount >= 330 && vcount <= 350))
data2 <= 12'hf00;
else data2 <= 12'h000;
end
//$10
always@(posedge vga_clk)
begin
if((hcount>= 454 && hcount <= 474) && (vcount >= 200 && vcount <=350))
data3 <= 12'h000;
else if((hcount >= 534 && hcount <= 554) && (vcount >= 200 && vcount <=350))
data3 <= 12'h000;
else if((hcount >= 604 && hcount <= 624) && (vcount >= 200 && vcount <=350))
data3 <= 12'h000;
else if((hcount >= 534 && hcount <= 624) && (vcount >= 200 && vcount <=220))
data3 <= 12'h000;
else if((hcount >= 534 && hcount <= 624) && (vcount >= 330 && vcount <=350))
data3 <= 12'h000;
else if((hcount >= 304 && hcount <= 324) && (vcount >= 220 && vcount <=240))
data3 <= 12'hf00;
else if((hcount >= 284 && hcount <= 304) && (vcount >= 200 && vcount <=220))
data3 <= 12'hf00;
else if((hcount >= 344 && hcount <= 364) && (vcount >= 220 && vcount <=240))
data3 <= 12'hf00;
else if((hcount >= 364 && hcount <= 384) && (vcount >= 200 && vcount <=220))
data3 <= 12'hf00;
else if((hcount >= 274 && hcount <= 394) && (vcount >= 240 && vcount <=260))
data3 <= 12'hf00;
else if((hcount >= 274 && hcount <= 394) && (vcount >= 300 && vcount <=320))
data3 <= 12'hf00;
else if((hcount >= 324 && hcount <= 344) && (vcount >= 240 && vcount <=350))
data3 <= 12'hf00;
else data3 <= 12'hfff;
end
endmodule
//阿汪先生的博客.ws
//水平有限，能者见笑，大家见谅。
//感谢~~~
