差别

这里会显示出您选择的修订版和当前版本之间的差别。

到此差别页面的链接

后一修订版 		前一修订版
page_yongyuan.zhang [2019/07/16 15:13]
yongyuan 创建 		page_yongyuan.zhang [2019/08/09 09:46] (当前版本)
yongyuan
行 1: 行 1:
 +https://​jsproxy-demo.cf/​-----https://​www.google.com.tw/​
 +
 简单的Bin_to_BCD模组 简单的Bin_to_BCD模组
  
行 6: 行 8:
  
 {{:​bin2bcd.png?​200|}} {{:​bin2bcd.png?​200|}}
- +\\ 
-模组 ​ +{{:​我变秃了.jpg?​200|}} 
- +\\ 
-add3 +add3模组 
 +```
 //////////////////////////////////////////////////////////////////////////////////​ //////////////////////////////////////////////////////////////////////////////////​
- 
 // Company: Cal Poly Pomona // Company: Cal Poly Pomona
- 
 // Engineer: Yongyuan Zhang // Engineer: Yongyuan Zhang
- 
 // Lab 3 part A, question 1 // Lab 3 part A, question 1
- 
 // Create Date: 2018/05/04 10:40:12 // Create Date: 2018/05/04 10:40:12
- 
 // Description:​ Code of add 3 functions // Description:​ Code of add 3 functions
- 
 //////////////////////////////////////////////////////////////////////////////////​ //////////////////////////////////////////////////////////////////////////////////​
- 
 `timescale 1ns / 1ps `timescale 1ns / 1ps
 module add3( module add3(
行 38: 行 33:
     end     end
 endmodule endmodule
 +```
  
-Bin转化为BCD模组 +8位Bin转化为BCD模组 
 +```
 //////////////////////////////////////////////////////////////////////////////////​ //////////////////////////////////////////////////////////////////////////////////​
 // Company: Cal Poly Pomona // Company: Cal Poly Pomona
行 53: 行 49:
 output [11:0] BCD  output [11:0] BCD 
 );  ); 
-wire [3:0] u0,​u1,​u2,​u3,​u5;​ +    ​wire [3:0] u0,​u1,​u2,​u3,​u5;​ 
-add3 U0(.x( {1'​b0,​BIN[7:​5]} ),​.y(u0));​ +    add3 U0(.x( {1'​b0,​BIN[7:​5]} ),​.y(u0));​ 
-add3 U1(.x( {u0[2:​0],​BIN[4]} ),​.y(u1));​ +    add3 U1(.x( {u0[2:​0],​BIN[4]} ),​.y(u1));​ 
-add3 U2(.x( {u1[2:​0],​BIN[3]} ),​.y(u2));​ +    add3 U2(.x( {u1[2:​0],​BIN[3]} ),​.y(u2));​ 
-add3 U3(.x( {u2[2:​0],​BIN[2]} ),​.y(u3));​ +    add3 U3(.x( {u2[2:​0],​BIN[2]} ),​.y(u3));​ 
-add3 U4(.x( {u3[2:​0],​BIN[1]} ),​.y(BCD[4:​1]));​ +    add3 U4(.x( {u3[2:​0],​BIN[1]} ),​.y(BCD[4:​1]));​ 
-add3 U5(.x( {1'​b0,​u0[3],​u1[3],​u2[3]} ), .y(u5)); +    add3 U5(.x( {1'​b0,​u0[3],​u1[3],​u2[3]} ), .y(u5)); 
-add3 U6(.x( {u5[2:​0],​u3[3]}),​ . y(BCD[8:​5]));​+    add3 U6(.x( {u5[2:​0],​u3[3]}),​ . y(BCD[8:​5]));​
  
-assign BCD[0] = BIN[0]; +    ​assign BCD[0] = BIN[0];  
-assign BCD[11:9] = {2'​b00,​u5[3]};​+    assign BCD[11:9] = {2'​b00,​u5[3]};​
 endmodule endmodule
 +```
 +
 +
 +模组TestBench
 +```
 +//////////////////////////////////////////////////////////////////////////////////​
 +// Company: Cal Poly Pomona
 +// Engineer: Yongyuan Zhang
 +// Lab 3 part A, question 3
 +// Create Date: 2018/05/04 10:50:14
 +// Description:​ testbench for all possible conditions of the bin to bcd code
 +//////////////////////////////////////////////////////////////////////////////////​
 +module tb();
 +    reg [7:0] BIN;
 +    wire [11:0] BCD;
 +    bin2bcd ​  ​uut(.BIN(BIN),​.BCD(BCD));​
 +    initial
 +    begin
 +    #2 BIN = 8'​b0000_0000;//​0
 +    #2 BIN = 8'​b0000_1010;//​10
 +    #2 BIN = 8'​b0001_0100;//​20
 +    #2 BIN = 8'​b0010_1000;//​40
 +    #2 BIN = 8'​b0101_0000;//​80
 +    #2 BIN = 8'​b1010_0000;//​160
 +    #2 BIN = 8'​b0101_0010;//​82
 +    #2 BIN = 8'​b1111_1111;//​255
 +    #2 BIN = 8'​b0111_1010;//​122
 +    #2 BIN = 8'​b1000_1100;//​140
 +    #2 BIN = 8'​b1010_0011;//​163
 +    #2 BIN = 8'​b1110_1100;//​236
 +    #2 BIN = 8'​b1010_1111;​ //175
 +    #2 $finish;
 +    end
 +    endmodule
 +```
 +\\
 +{{:​ssskr.jpg?​300|}}
 +\\
 +
 +最炫民族风case\\
  
 +```
 +always @(posedge clkout or negedge rst_n_in)
 + begin
 + if(!rst_n_in)
 + begin
 + tone <= 5'd6;
 + timecnt <= 0;
 + end
 + else
 + begin
 + if(timecnt>​=207)
 + timecnt<​=0;​
 + else
 + begin
 + timecnt <= timecnt + 1'b1;
 + case(timecnt)
 + //​苍茫的天涯是
 + 0: tone <= 5'd6;
 + 1: tone <= 5'd6;
 + 2: tone <= 5'd6;
 + 3: tone <= 5'd5;
 + 4: tone <= 5'd6;
 + 5: tone <= 5'd6;
 + 6: tone <= 5'd6;
 + 7: tone <= 5'd8;
 + //​我的爱哎哎哎~
 + 8: tone <= 5'd8;
 + 9: tone <= 5'd8;
 + 10: tone <= 5'd9;
 + 11: tone <= 5'd8;
 + 12: tone <= 5'd6;
 + 13: tone <= 5'd6;
 + 14: tone <= 5'd6;
 + 15: tone <= 5'd6;
 + //​绵绵的青山脚下
 + 16: tone <= 5'd8;
 + 17: tone <= 5'd8;
 + 18: tone <= 5'd8;
 + 19: tone <= 5'd5;
 + 20: tone <= 5'd8;
 + 21: tone <= 5'd9;
 + 22: tone <= 5'd10;
 + 23: tone <= 5'd12;
 + //​花正开
 + 24: tone <= 5'd12;
 + 25: tone <= 5'd10;
 + 26: tone <= 5'd9;
 + 27: tone <= 5'd9;
 + 28: tone <= 5'd10;
 + 29: tone <= 5'd10;
 + 30: tone <= 5'd10;
 + 31: tone <= 5'd10;
 + //​什么样的节奏是
 + 32: tone <= 5'd13;
 + 33: tone <= 5'd13;
 + 34: tone <= 5'd13;
 + 35: tone <= 5'd12;
 + 36: tone <= 5'd10;
 + 37: tone <= 5'd10;
 + 38: tone <= 5'd10;
 + 39: tone <= 5'd8;
 + //​最呀最摇摆 嘿！
 + 40: tone <= 5'd6;
 + 41: tone <= 5'd6;
 + 42: tone <= 5'd6;
 + 43: tone <= 5'd10;
 + 44: tone <= 5'd9;
 + 45: tone <= 5'd9;
 + 46: tone <= 5'd9;
 + 47: tone <= 5'd9;
 + //​什么样的歌声才是
 + 48: tone <= 5'd10;
 + 49: tone <= 5'd10;
 + 50: tone <= 5'd12;
 + 51: tone <= 5'd10;
 + 52: tone <= 5'd9;
 + 53: tone <= 5'd10;
 + 54: tone <= 5'd9;
 + 55: tone <= 5'd8;
 + //​最开怀~
 + 56: tone <= 5'd6;
 + 57: tone <= 5'd6;
 + 58: tone <= 5'd5;
 + 59: tone <= 5'd5;
 + 60: tone <= 5'd6;
 + 61: tone <= 5'd6;
 + 62: tone <= 5'd6;
 + 63: tone <= 5'd6;
 + //​副歌
 + //​我们要唱就要唱的最痛快
 + 64: tone <= 5'd10;
 + 65: tone <= 5'd10;
 + 66: tone <= 5'd12;
 + 67: tone <= 5'd10;
 + 68: tone <= 5'd10;
 + 69: tone <= 5'd12;
 + 70: tone <= 5'd12;
 + 71: tone <= 5'd13;
 +
 + 72: tone <= 5'd15;
 + 73: tone <= 5'd13;
 + 74: tone <= 5'd12;
 + 75: tone <= 5'd12;
 + 76: tone <= 5'd13;
 + 77: tone <= 5'd13;
 + 78: tone <= 5'd13;
 + 79: tone <= 5'd13;
 + //​你是我天边
 + 80: tone <= 5'd6;
 + 81: tone <= 5'd6;
 + 82: tone <= 5'd6;
 + 83: tone <= 5'd5;
 + 84: tone <= 5'd6;
 + 85: tone <= 5'd6;
 + 86: tone <= 5'd8;
 + 87: tone <= 5'd8;
 + //​最美的云彩
 + 88: tone <= 5'd9;
 + 89: tone <= 5'd9;
 + 90: tone <= 5'd8;
 + 91: tone <= 5'd9;
 + 92: tone <= 5'd10;
 + 93: tone <= 5'd10;
 + 94: tone <= 5'd10;
 + 95: tone <= 5'd10;
 + //​让我用心把你留下
 + 96: tone <= 5'd6;
 + 97: tone <= 5'd13;
 + 98: tone <= 5'd13;
 + 99: tone <= 5'd12;
 + 100: tone <= 5'd9;
 + 101: tone <= 5'd9;
 + 102: tone <= 5'd8;
 + 103: tone <= 5'd9;
 + //​来,​留下来！
 + 104: tone <= 5'd10;
 + 105: tone <= 5'd10;
 + 106: tone <= 5'd10;
 + 107: tone <= 5'd10;
 + 108: tone <= 5'd10;
 + 109: tone <= 5'd10;
 + 110: tone <= 5'd10;
 + 111: tone <= 5'd10;
 + //​悠悠的唱着最
 + 112: tone <= 5'd8;
 + 113: tone <= 5'd8;
 + 114: tone <= 5'd6;
 + 115: tone <= 5'd8;
 + 116: tone <= 5'd9;
 + 117: tone <= 5'd9;
 + 118: tone <= 5'd5;
 + 119: tone <= 5'd5;
 + //​炫的民族风
 + 120: tone <= 5'd10;
 + 121: tone <= 5'd12;
 + 122: tone <= 5'd10;
 + 123: tone <= 5'd9;
 + 124: tone <= 5'd8;
 + 125: tone <= 5'd8;
 + 126: tone <= 5'd8;
 + 127: tone <= 5'd8;
 + //​让爱卷走所有的尘
 + 128: tone <= 5'd6;
 + 129: tone <= 5'd8;
 + 130: tone <= 5'd9;
 + 131: tone <= 5'd10;
 + 132: tone <= 5'd9;
 + 133: tone <= 5'd8;
 + 134: tone <= 5'd5;
 + 135: tone <= 5'd3;
 + //​埃,​
 + 136: tone <= 5'd6;
 + 137: tone <= 5'd6;
 + 138: tone <= 5'd6;
 + 139: tone <= 5'd6;
 + 140: tone <= 5'd6;
 + 141: tone <= 5'd6;
 + 142: tone <= 5'd6;
 + 143: tone <= 5'd6;
 + //​你是我心中
 + 144: tone <= 5'd6;
 + 145: tone <= 5'd6;
 + 146: tone <= 5'd6;
 + 147: tone <= 5'd5;
 + 148: tone <= 5'd6;
 + 149: tone <= 5'd6;
 + 150: tone <= 5'd8;
 + 151: tone <= 5'd8;
 + //​最美的云彩
 + 152: tone <= 5'd9;
 + 153: tone <= 5'd9;
 + 154: tone <= 5'd8;
 + 155: tone <= 5'd9;
 + 156: tone <= 5'd10;
 + 157: tone <= 5'd10;
 + 158: tone <= 5'd10;
 + 159: tone <= 5'd10;
 + //​斟满美酒让你留下
 + 160: tone <= 5'd6;
 + 161: tone <= 5'd13;
 + 162: tone <= 5'd13;
 + 162: tone <= 5'd12;
 + 164: tone <= 5'd9;
 + 165: tone <= 5'd9;
 + 166: tone <= 5'd8;
 + 167: tone <= 5'd9;
 + //​来，留下来！
 + 168: tone <= 5'd10;
 + 169: tone <= 5'd10;
 + 170: tone <= 5'd10;
 + 171: tone <= 5'd10;
 + 172: tone <= 5'd10;
 + 173: tone <= 5'd10;
 + 174: tone <= 5'd10;
 + 175: tone <= 5'd10;
 + //​永远都唱着最
 + 176: tone <= 5'd8;
 + 177: tone <= 5'd8;
 + 178: tone <= 5'd6;
 + 179: tone <= 5'd8;
 + 180: tone <= 5'd9;
 + 181: tone <= 5'd9;
 + 182: tone <= 5'd5;
 + 183: tone <= 5'd5;
 + //​炫的民族风，是
 + 184: tone <= 5'd10;
 + 185: tone <= 5'd12;
 + 186: tone <= 5'd10;
 + 187: tone <= 5'd9;
 + 188: tone <= 5'd8;
 + 189: tone <= 5'd8;
 + 190: tone <= 5'd8;
 + 191: tone <= 5'd8;
 + //​整片天空最美的姿
 + 192: tone <= 5'd6;
 + 193: tone <= 5'd8;
 + 194: tone <= 5'd9;
 + 195: tone <= 5'd10;
 + 196: tone <= 5'd12;
 + 197: tone <= 5'd10;
 + 198: tone <= 5'd10;
 + 199: tone <= 5'd12;
 + //​态！留下来！
 + 200: tone <= 5'd13;
 + 201: tone <= 5'd13;
 + 202: tone <= 5'd13;
 + 203: tone <= 5'd13;
 + 204: tone <= 5'd13;
 + 205: tone <= 5'd13;
 + 206: tone <= 5'd13;
 + 207: tone <= 5'd13;
 +
 +
 +
 + default:​ tone <= 5'd6;
 + endcase
 + end
 + end
 + end
 +```
 +Lemon 前半段
 +```
 +always @(posedge clkout or negedge rst_n_in)
 + begin
 + if(!rst_n_in)
 + begin
 + tone <= 5'd0;
 + timecnt <= 0;
 + end
 + else
 + begin
 + if(timecnt>​=271)
 + timecnt<​=0;​
 + else
 + begin
 + timecnt <= timecnt + 1'b1;
 + case(timecnt)
 + //​Lemon
 + 0: tone <= 5'd0;
 + 1: tone <= 5'd0;
 + 2: tone <= 5'd0;
 + 3: tone <= 5'd0;
 + 4: tone <= 5'd0;
 + 5: tone <= 5'd0;
 + 6: tone <= 5'd15;
 + 7: tone <= 5'd16;
 +
 + 8: tone <= 5'd17;
 + 9: tone <= 5'd17;
 + 10: tone <= 5'd15;
 + 11: tone <= 5'd13;
 + 12: tone <= 5'd13;
 + 13: tone <= 5'd13;
 + 14: tone <= 5'd16;
 + 15: tone <= 5'd16;
 +
 + 16: tone <= 5'd14;
 + 17: tone <= 5'd14;
 + 18: tone <= 5'd12;
 + 19: tone <= 5'd10;
 + 20: tone <= 5'd10;
 + 21: tone <= 5'd10;
 + 22: tone <= 5'd14;
 + 23: tone <= 5'd14;
 +
 + 24: tone <= 5'd13;
 + 25: tone <= 5'd13;
 + 26: tone <= 5'd12;
 + 27: tone <= 5'd8;
 + 28: tone <= 5'd8;
 + 29: tone <= 5'd8;
 + 30: tone <= 5'd12;
 + 31: tone <= 5'd12;
 +
 + 32: tone <= 5'd10;
 + 33: tone <= 5'd10;
 + 34: tone <= 5'd10;
 + 35: tone <= 5'd10;
 + 36: tone <= 5'd0;
 + 37: tone <= 5'd0;
 + 38: tone <= 5'd9;
 + 39: tone <= 5'd10;
 +
 + 40: tone <= 5'd11;
 + 41: tone <= 5'd11;
 + 42: tone <= 5'd11;
 + 43: tone <= 5'd11;
 + 44: tone <= 5'd15;
 + 45: tone <= 5'd15;
 + 46: tone <= 5'd14;
 + 47: tone <= 5'd14;
 +
 + 48: tone <= 5'd12;
 + 49: tone <= 5'd12;
 + 50: tone <= 5'd12;
 + 51: tone <= 5'd12;
 + 52: tone <= 5'd11;
 + 53: tone <= 5'd11;
 + 54: tone <= 5'd10;
 + 55: tone <= 5'd11;
 +
 + 56: tone <= 5'd11;
 + 57: tone <= 5'd11;
 + 58: tone <= 5'd11;
 + 59: tone <= 5'd11;
 + 60: tone <= 5'd15;
 + 61: tone <= 5'd15;
 + 62: tone <= 5'd14;
 + 63: tone <= 5'd14;
 +
 + 64: tone <= 5'd12;
 + 65: tone <= 5'd12;
 + 66: tone <= 5'd12;
 + 67: tone <= 5'd12;
 + 68: tone <= 5'd0;
 + 69: tone <= 5'd0;
 + 70: tone <= 5'd15;
 + 71: tone <= 5'd16;
 +
 + 72: tone <= 5'd17;
 + 73: tone <= 5'd17;
 + 74: tone <= 5'd15;
 + 75: tone <= 5'd13;
 + 76: tone <= 5'd13;
 + 77: tone <= 5'd13;
 + 78: tone <= 5'd16;
 + 79: tone <= 5'd16;
 +
 + 80: tone <= 5'd14;
 + 81: tone <= 5'd14;
 + 82: tone <= 5'd12;
 + 83: tone <= 5'd10;
 + 84: tone <= 5'd10;
 + 85: tone <= 5'd10;
 + 86: tone <= 5'd14;
 + 87: tone <= 5'd14;
 +
 + 88: tone <= 5'd13;
 + 89: tone <= 5'd13;
 + 90: tone <= 5'd12;
 + 91: tone <= 5'd8;
 + 92: tone <= 5'd8;
 + 93: tone <= 5'd8;
 + 94: tone <= 5'd12;
 + 95: tone <= 5'd12;
 +
 + 96: tone <= 5'd10;
 + 97: tone <= 5'd10;
 + 98: tone <= 5'd10;
 + 99: tone <= 5'd10;
 + 100: tone <= 5'd10;
 + 101: tone <= 5'd10;
 + 102: tone <= 5'd9;
 + 103: tone <= 5'd10;
 +
 + 104: tone <= 5'd11;
 + 105: tone <= 5'd11;
 + 106: tone <= 5'd11;
 + 107: tone <= 5'd11;
 + 108: tone <= 5'd12;
 + 109: tone <= 5'd12;
 + 110: tone <= 5'd11;
 + 111: tone <= 5'd11;
 +
 + 112: tone <= 5'd10;
 + 113: tone <= 5'd10;
 + 114: tone <= 5'd12;
 + 115: tone <= 5'd12;
 + 116: tone <= 5'd15;
 + 117: tone <= 5'd15;
 + 118: tone <= 5'd17;
 + 119: tone <= 5'd17;
 +
 + 120: tone <= 5'd16;
 + 121: tone <= 5'd16;
 + 122: tone <= 5'd16;
 + 123: tone <= 5'd16;
 + 124: tone <= 5'd16;
 + 125: tone <= 5'd15;
 + 126: tone <= 5'd15;
 + 127: tone <= 5'd15;
 +
 + 128: tone <= 5'd15;
 + 129: tone <= 5'd15;
 + 130: tone <= 5'd15;
 + 131: tone <= 5'd15;
 + 132: tone <= 5'd0;
 + 133: tone <= 5'd0;
 + 134: tone <= 5'd0;
 + 135: tone <= 5'd0;
 +
 +
 +
 + 136: tone <= 5'd0;
 + 137: tone <= 5'd0;
 + 138: tone <= 5'd0;
 + 139: tone <= 5'd0;
 + 140: tone <= 5'd0;
 + 141: tone <= 5'd0;
 + 142: tone <= 5'd15;
 + 143: tone <= 5'd16;
 +
 + 144: tone <= 5'd17;
 + 145: tone <= 5'd17;
 + 146: tone <= 5'd15;
 + 147: tone <= 5'd13;
 + 148: tone <= 5'd13;
 + 149: tone <= 5'd13;
 + 150: tone <= 5'd16;
 + 151: tone <= 5'd16;
 +
 + 152: tone <= 5'd14;
 + 153: tone <= 5'd14;
 + 154: tone <= 5'd12;
 + 155: tone <= 5'd10;
 + 156: tone <= 5'd10;
 + 157: tone <= 5'd10;
 + 158: tone <= 5'd14;
 + 159: tone <= 5'd14;
 +
 + 160: tone <= 5'd13;
 + 161: tone <= 5'd13;
 + 162: tone <= 5'd12;
 + 162: tone <= 5'd8;
 + 164: tone <= 5'd8;
 + 165: tone <= 5'd8;
 + 166: tone <= 5'd12;
 + 167: tone <= 5'd12;
 +
 + 168: tone <= 5'd10;
 + 169: tone <= 5'd10;
 + 170: tone <= 5'd10;
 + 171: tone <= 5'd10;
 + 172: tone <= 5'd0;
 + 173: tone <= 5'd0;
 + 174: tone <= 5'd9;
 + 175: tone <= 5'd10;
 +
 + 176: tone <= 5'd11;
 + 177: tone <= 5'd11;
 + 178: tone <= 5'd11;
 + 179: tone <= 5'd11;
 + 180: tone <= 5'd15;
 + 181: tone <= 5'd15;
 + 182: tone <= 5'd14;
 + 183: tone <= 5'd15;
 +
 + 184: tone <= 5'd12;
 + 185: tone <= 5'd12;
 + 186: tone <= 5'd12;
 + 187: tone <= 5'd12;
 + 188: tone <= 5'd11;
 + 189: tone <= 5'd11;
 + 190: tone <= 5'd10;
 + 191: tone <= 5'd11;
 +
 + 192: tone <= 5'd11;
 + 193: tone <= 5'd11;
 + 194: tone <= 5'd11;
 + 195: tone <= 5'd11;
 + 196: tone <= 5'd8;
 + 197: tone <= 5'd8;
 + 198: tone <= 5'd7;
 + 199: tone <= 5'd6;
 +
 +
 +
 + 200: tone <= 5'd12;
 + 201: tone <= 5'd12;
 + 202: tone <= 5'd12;
 + 203: tone <= 5'd12;
 + 204: tone <= 5'd0;
 + 205: tone <= 5'd0;
 + 206: tone <= 5'd15;
 + 207: tone <= 5'd16;
 +
 + 208: tone <= 5'd17;
 + 209: tone <= 5'd17;
 + 210: tone <= 5'd15;
 + 211: tone <= 5'd13;
 + 212: tone <= 5'd13;
 + 213: tone <= 5'd13;
 + 214: tone <= 5'd16;
 + 215: tone <= 5'd16;
 +
 + 216: tone <= 5'd14;
 + 217: tone <= 5'd14;
 + 218: tone <= 5'd12;
 + 219: tone <= 5'd10;
 + 220: tone <= 5'd10;
 + 221: tone <= 5'd10;
 + 222: tone <= 5'd14;
 + 223: tone <= 5'd14;
 +
 + 224: tone <= 5'd13;
 + 225: tone <= 5'd13;
 + 226: tone <= 5'd12;
 + 227: tone <= 5'd8;
 + 228: tone <= 5'd8;
 + 229: tone <= 5'd8;
 + 230: tone <= 5'd12;
 + 231: tone <= 5'd12;
 +
 + 232: tone <= 5'd10;
 + 233: tone <= 5'd10;
 + 234: tone <= 5'd10;
 + 235: tone <= 5'd10;
 + 236: tone <= 5'd0;
 + 237: tone <= 5'd0;
 + 238: tone <= 5'd9;
 + 239: tone <= 5'd10;
 +
 + 240: tone <= 5'd11;
 + 241: tone <= 5'd11;
 + 242: tone <= 5'd11;
 + 243: tone <= 5'd11;
 + 244: tone <= 5'd12;
 + 245: tone <= 5'd12;
 + 246: tone <= 5'd11;
 + 247: tone <= 5'd12;
 +
 + 248: tone <= 5'd10;
 + 249: tone <= 5'd10;
 + 250: tone <= 5'd12;
 + 251: tone <= 5'd12;
 + 252: tone <= 5'd15;
 + 253: tone <= 5'd15;
 + 254: tone <= 5'd17;
 + 255: tone <= 5'd17;
 +
 + 256: tone <= 5'd16;
 + 257: tone <= 5'd16;
 + 258: tone <= 5'd16;
 + 259: tone <= 5'd16;
 + 260: tone <= 5'd16;
 + 261: tone <= 5'd15;
 + 262: tone <= 5'd15;
 + 263: tone <= 5'd15;
 +
 + 264: tone <= 5'd15;
 + 265: tone <= 5'd15;
 + 266: tone <= 5'd15;
 + 267: tone <= 5'd15;
 + 268: tone <= 5'd0;
 + 269: tone <= 5'd0;
 + 270: tone <= 5'd0;
 + 271: tone <= 5'd0;
 +
 +
 +
 + default:​ tone <= 5'd6;
 + endcase
 + end
 + end
 + end
 +```
 +念诗之王（改革春风吹满地）
 +```
 +always @(posedge clkout or negedge rst_n_in)
 + begin
 + if(!rst_n_in)
 + begin
 + tone <= 5'd0;
 + timecnt <= 0;
 + end
 + else
 + begin
 + if(timecnt>​=63)
 + timecnt<​=0;​
 + else
 + begin
 + timecnt <= timecnt + 1'b1;
 + case(timecnt)
 + //​改革春风吹满地~
 + 0: tone <= 5'd6;
 + 1: tone <= 5'd10;
 + 2: tone <= 5'd10;
 + 3: tone <= 5'd9;
 + 4: tone <= 5'd10;
 + 5: tone <= 5'd10;
 + 6: tone <= 5'd5;
 + 7: tone <= 5'd5;
 +
 + 8: tone <= 5'd8;
 + 9: tone <= 5'd6;
 + 10: tone <= 5'd6;
 + 11: tone <= 5'd6;
 + 12: tone <= 5'd0;
 + 13: tone <= 5'd0;
 + 14: tone <= 5'd0;
 + 15: tone <= 5'd0;
 +
 + 16: tone <= 5'd10;
 + 17: tone <= 5'd6;
 + 18: tone <= 5'd8;
 + 19: tone <= 5'd8;
 + 20: tone <= 5'd10;
 + 21: tone <= 5'd10;
 + 22: tone <= 5'd8;
 + 23: tone <= 5'd8;
 +
 + 24: tone <= 5'd6;
 + 25: tone <= 5'd6;
 + 26: tone <= 5'd0;
 + 27: tone <= 5'd0;
 + 28: tone <= 5'd0;
 + 29: tone <= 5'd0;
 + 30: tone <= 5'd0;
 + 31: tone <= 5'd10;
 +
 + 32: tone <= 5'd10;
 + 33: tone <= 5'd10;
 + 34: tone <= 5'd12;
 + 35: tone <= 5'd10;
 + 36: tone <= 5'd6;
 + 37: tone <= 5'd8;
 + 38: tone <= 5'd12;
 + 39: tone <= 5'd10;
 +
 + 40: tone <= 5'd10;
 + 41: tone <= 5'd10;
 + 42: tone <= 5'd10;
 + 43: tone <= 5'd10;
 + 44: tone <= 5'd6;
 + 45: tone <= 5'd0;
 + 46: tone <= 5'd8;
 + 47: tone <= 5'd8;
 +
 + 48: tone <= 5'd8;
 + 49: tone <= 5'd8;
 + 50: tone <= 5'd8;
 + 51: tone <= 5'd10;
 + 52: tone <= 5'd6;
 + 53: tone <= 5'd6;
 + 54: tone <= 5'd0;
 + 55: tone <= 5'd0;
 +
 + 56: tone <= 5'd8;
 + 57: tone <= 5'd9;
 + 58: tone <= 5'd8;
 + 59: tone <= 5'd8;
 + 60: tone <= 5'd8;
 + 61: tone <= 5'd9;
 + 62: tone <= 5'd6;
 + 63: tone <= 5'd6;
 +
 +
 + default:​ tone <= 5'd0;
 + endcase
 + end
 + end
 + end
 +```