`include "./binToBcd.v"

`define displayregLine2 {LCD_L[9],LCD_L[8],LCD_L[7],LCD_L[6],LCD_L[5],LCD_L[4],LCD_L[3],LCD_L[2],LCD_L[1],LCD_L[0],displayreg[16],displayreg[17],displayreg[18],displayreg[19],displayreg[20],displayreg[21],displayreg[22],displayreg[23],displayreg[24],displayreg[25],displayreg[26],displayreg[27],displayreg[28],displayreg[29],displayreg[30],displayreg[31],LCD_R[9],LCD_R[8],LCD_R[7],LCD_R[6],LCD_R[5],LCD_R[4],LCD_R[3],LCD_R[2],LCD_R[1],LCD_R[0],LCD_B[15],LCD_B[14],LCD_B[13],LCD_B[12],LCD_B[11],LCD_B[10],LCD_B[9],LCD_B[8],LCD_B[7],LCD_B[6],LCD_B[5],LCD_B[4],LCD_B[3],LCD_B[2],LCD_B[1],LCD_B[0]}

`define lcdLine1 {displayreg[0],displayreg[1],displayreg[2],displayreg[3],displayreg[4],displayreg[5],displayreg[6],displayreg[7],displayreg[8],displayreg[9],displayreg[10],displayreg[11],displayreg[12],displayreg[13],displayreg[14],displayreg[15]}

`define lcdLine2 {displayreg[16],displayreg[17],displayreg[18],displayreg[19],displayreg[20],displayreg[21],displayreg[22],displayreg[23],displayreg[24],displayreg[25],displayreg[26],displayreg[27],displayreg[28],displayreg[29],displayreg[30],displayreg[31]}

module LCD(Clk, rst, gameState, timeNum, point, LCD_DATA, LCD_EN, LCD_RW, LCD_RS, DATA_IN);

input Clk, rst;

input [3:0] DATA_IN;

inout [7:0] LCD_DATA;

output LCD_EN, LCD_RW, LCD_RS;

input [1:0] gameState;

wire [127:0] gameStr[2:0];

input [9:0] timeNum;

input [6:0] point;

assign gameStr[0] = { {5{8'h20}}, 40'h53_54_41_52_54, {6{8'h20}} };

assign gameStr[1] = { {5{8'h20}}, 48'h47_41_4D_49_4E_47, {5{8'h20}} };

assign gameStr[2] = { {3{8'h20}}, 32'h47_41_4D_45, 8'h20, 32'h_4F_56_45_52 , {4{8'h20}} };

wire [3:0] time1000Num;

wire [3:0] time_100Num;

wire [3:0] time__10Num;

wire [3:0] time___1Num;

binToBcd4 timeBcd(

{6'b0, timeNum},

{time1000Num, time_100Num, time__10Num, time___1Num}

);

wire [7:0] time1000ascii;

wire [7:0] time_100ascii;

wire [7:0] time__10ascii;

wire [7:0] time___1ascii;

assign time1000ascii = time1000Num + 8'h30;

assign time_100ascii = time_100Num + 8'h30;

assign time__10ascii = time__10Num + 8'h30;

assign time___1ascii = time___1Num + 8'h30;

wire [3:0] point1000;

wire [3:0] point_100;

wire [3:0] point__10;

wire [3:0] point___1;

binToBcd4 pointBcd(

{9'b0, point},

{point1000, point_100, point__10, point___1}

);

wire [7:0] point1000ascii;

wire [7:0] point_100ascii;

wire [7:0] point__10ascii;

wire [7:0] point___1ascii;

assign point1000ascii = point1000 + 8'h30;

assign point_100ascii = point_100 + 8'h30;

assign point__10ascii = point__10 + 8'h30;

assign point___1ascii = point___1 + 8'h30;

reg [3:0] state, next_command;

// Enter new ASCII hex data above for LCD Display

reg [7:0] DATA_BUS_VALUE;

reg [7:0] Next_Char;

reg [19:0] CLK_COUNT_400HZ;

reg [4:0] CHAR_COUNT;

reg CLK_400HZ, LCD_RW, LCD_EN, LCD_RS;

wire [79:0] STD_ID[2:0];

assign STD_ID[0] = {8'h43, 8'h31, 8'h31, 8'h30, 8'h31, 8'h35, 8'h32, 8'h33, 8'h35, 8'h31};

assign STD_ID[1] = {8'h43, 8'h31, 8'h31, 8'h30, 8'h31, 8'h35, 8'h32, 8'h33, 8'h33, 8'h38};

assign STD_ID[2] = {8'h43, 8'h31, 8'h31, 8'h30, 8'h31, 8'h35, 8'h32, 8'h33, 8'h35, 8'h33};

//wire [239:0] STD_LCD_ID[2:0];

//assign STD_LCD_ID = {10{8'h20}};

reg [5:0] font_addr;

wire [7:0] font_data;

wire clk72;

counterDivider #(50, 50000000/4) D21(Clk, ~rst, clk72);

parameter

RESET = 4'h0,

DROP_LCD_E = 4'h1,

HOLD = 4'h2,

DISPLAY_CLEAR = 4'h3,

MODE_SET = 4'h4,

Print_String = 4'h5,

LINE2 = 4'h6,

RETURN_HOME = 4'h7,

CG_RAM_HOME = 4'h8,

write_CG = 4'h9,

CUSTOM_OP = 4'hA;

assign LCD_DATA = LCD_RW ? 8'bZZZZZZZZ : DATA_BUS_VALUE;

Custom_font_ROM ROM_U(.addr(font_addr), .out_data(font_data));

//LCD_display_string u1(.index(CHAR_COUNT), .out(Next_Char), .DATA_IN(DATA_IN), .clk(Clk), .rst(rst));

//=============================除頻===============================

always @(posedge Clk or negedge rst)begin

if (!rst)begin

CLK_COUNT_400HZ <= 20'h00000;

CLK_400HZ <= 1'b0;

end

else if (CLK_COUNT_400HZ < 20'h0F424)begin

CLK_COUNT_400HZ <= CLK_COUNT_400HZ + 1'b1;

end

else begin

CLK_COUNT_400HZ <= 20'h00000;

CLK_400HZ <= ~CLK_400HZ;

end

end

//============================================================

always @(posedge CLK_400HZ or negedge rst)begin

if (!rst)begin

state <= RESET;

end

else begin

case (state)

RESET : begin // Set Function to 8-bit transfer and 2 line display with 5x8 Font size

LCD_EN <= 1'b1;

LCD_RS <= 1'b0;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= 8'h38;

state <= DROP_LCD_E;

next_command <= DISPLAY_CLEAR;

CHAR_COUNT <= 5'b00000;

end

// Clear Display (also clear DDRAM content)

DISPLAY_CLEAR : begin

LCD_EN <= 1'b1;

LCD_RS <= 1'b0;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= 8'h01;

state <= DROP_LCD_E;

next_command <= MODE_SET;

end

// Set write mode to auto increment address and move cursor to the right

MODE_SET : begin

LCD_EN <= 1'b1;

LCD_RS <= 1'b0;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= 8'h06;

state <= DROP_LCD_E;

next_command <= CG_RAM_HOME;

end

// Write ASCII hex character in first LCD character location

Print_String : begin

state <= DROP_LCD_E;

LCD_EN <= 1'b1;

LCD_RS <= 1'b1;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= Next_Char;

// Loop to send out 32 characters to LCD Display (16 by 2 lines)

if (CHAR_COUNT < 31)

CHAR_COUNT <= CHAR_COUNT + 1'b1;

else

CHAR_COUNT <= 5'b00000;

// Jump to second line?

if (CHAR_COUNT == 15)

next_command <= LINE2;

// Return to first line?

else if (CHAR_COUNT == 31)

next_command <= RETURN_HOME;

else

next_command <= Print_String;

end

// Set write address to line 2 character 1

LINE2 : begin

LCD_EN <= 1'b1;

LCD_RS <= 1'b0;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= 8'hC0; //line 2 character 2 ==> 8'hC1

state <= DROP_LCD_E;

next_command <= Print_String;

end

// Return write address to first character postion on line 1

RETURN_HOME : begin

//LEDR[17] <= 1'd0;

//LEDR[16] <= 1'd1;

LCD_EN <= 1'b1;

LCD_RS <= 1'b0;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= 8'h80; //line 1 character 2 ==> 8'h81

state <= DROP_LCD_E;

next_command <= Print_String;

end

CG_RAM_HOME : begin

LCD_EN <= 1'b1;

LCD_RS <= 1'b0;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= 8'h40; //CGRAM begin address = 6'h00

font_addr <= 6'd0;//

state <= DROP_LCD_E;

next_command <= write_CG;

end

write_CG : begin

state <= DROP_LCD_E;

LCD_EN <= 1'b1;

LCD_RS <= 1'b1;

LCD_RW <= 1'b0;

DATA_BUS_VALUE <= font_data;

if(font_addr == 6'b111111)begin

next_command <= RETURN_HOME;

end else begin

font_addr <= font_addr + 1;

next_command <= write_CG;

end

end

DROP_LCD_E : begin

LCD_EN <= 1'b0;

state <= HOLD;

end

HOLD : begin

state <= next_command;

end

endcase

end

end

// ======================

//LCD_display_string u1(.index(CHAR_COUNT), .out(Next_Char), .DATA_IN(DATA_IN), .clk(Clk), .rst(rst));

//module LCD_display_string(index, out, DATA_IN, clk, rst);

reg [7:0] ASCII;

reg [7:0] displayreg [31:0];

reg [3:0] ID_COUNT;

reg [7:0] LCD_L [9:0];

reg [7:0] LCD_R [9:0];

reg [7:0] LCD_B [15:0];

reg [7:0] _;

always @(posedge Clk or negedge rst)begin

if (!rst)begin

`lcdLine1 <= gameStr[gameState];

`lcdLine2 <= {

"TIME:",

{time_100ascii, time__10ascii, time___1ascii },

"POINT:",

{point__10ascii, point___1ascii },

};

//TIME:30 POINT:00;

end else begin

`lcdLine1 <= gameStr[gameState];

`lcdLine2 <= {

"TIME:",

{time_100ascii, time__10ascii, time___1ascii },

"POINT:",

{point__10ascii, point___1ascii },

};

end

end

always@(*)begin

Next_Char <= displayreg[CHAR_COUNT];

end

always@(*)begin

case(DATA_IN)/* 0 - 9 */

4'h0 : ASCII = 8'h30;

4'h1 : ASCII = 8'h31;

4'h2 : ASCII = 8'h32;

4'h3 : ASCII = 8'h33;

4'h4 : ASCII = 8'h34;

4'h5 : ASCII = 8'h35;

4'h6 : ASCII = 8'h36;

4'h7 : ASCII = 8'h37;

4'h8 : ASCII = 8'h38;

4'h9 : ASCII = 8'h39;

default : ASCII = 8'h20;

endcase

end

module LCD_display_string(index, out, DATA_IN, clk, rst);

input clk, rst;

input [4:0] index;

input [3:0] DATA_IN;

output reg [7:0] out;

reg [7:0] ASCII;

reg [7:0] displayreg [31:0];

always@(posedge clk)begin

//`lcdLine1 <= gameStr[gameState];

displayreg[0] <= 8'h47; //g

displayreg[1] <= 8'h53; //r

displayreg[2] <= 8'h4F; //o

displayreg[3] <= 8'h55; //u

displayreg[4] <= 8'h50; //p

displayreg[5] <= 8'h20; //

displayreg[6] <= 8'h20; //

displayreg[7] <= 8'h20; //

displayreg[8] <= 8'h30; //0

displayreg[9] <= 8'h32; //2

displayreg[10] <= 8'h20; //

displayreg[11] <= 8'h20; //

displayreg[12] <= 8'h20; //

displayreg[13] <= 8'h20; //

displayreg[14] <= 8'h20; //

//displayreg[15] <= 8'h20; //

displayreg[15] <= ASCII;

// Line 2

displayreg[16] <= 8'h44; //D

displayreg[17] <= 8'h45; //E

displayreg[18] <= 8'h32; //2

displayreg[19] <= 8'h20; //

displayreg[20] <= 8'h31; //1

displayreg[21] <= 8'h31; //1

displayreg[22] <= 8'h35; //5

displayreg[23] <= 8'h20; //

displayreg[24] <= 8'h53; //S

displayreg[25] <= 8'h57; //W

displayreg[26] <= 8'h00; //+-(自定義字形)

displayreg[27] <= 8'h4c; //L

displayreg[28] <= 8'h43; //C

displayreg[29] <= 8'h44; //D

end

always@(*)begin

out <= displayreg[index];

end

always@(*)begin

case(DATA_IN)/* 0 - 9 */

4'h0 : ASCII = 8'h30;

4'h1 : ASCII = 8'h31;

4'h2 : ASCII = 8'h32;

4'h3 : ASCII = 8'h33;

4'h4 : ASCII = 8'h34;

4'h5 : ASCII = 8'h35;

4'h6 : ASCII = 8'h36;

4'h7 : ASCII = 8'h37;

4'h8 : ASCII = 8'h38;

4'h9 : ASCII = 8'h39;

default : ASCII = 8'h20;

endcase

end

module Custom_font_ROM(addr, out_data);//8個自定義字形

input [5:0] addr;//8*8

output [7:0] out_data;

wire [7:0] data[63:0];

assign out_data = data[addr];

//0

assign data[00] = 8'b000_00100;//+-

assign data[01] = 8'b000_00100;

assign data[02] = 8'b000_11111;

assign data[03] = 8'b000_00100;

assign data[04] = 8'b000_00100;

assign data[05] = 8'b000_00000;

assign data[06] = 8'b000_11111;

assign data[07] = 8'b000_00000;//游標位置

//1

assign data[08] = 8'b000_00000;//

assign data[09] = 8'b000_00000;

assign data[10] = 8'b000_00000;

assign data[11] = 8'b000_00000;

assign data[12] = 8'b000_00000;

assign data[13] = 8'b000_00000;

assign data[14] = 8'b000_00000;

assign data[15] = 8'b000_00000;//游標位置

//2

assign data[16] = 8'b000_00000;//

assign data[17] = 8'b000_00000;

assign data[18] = 8'b000_00000;

assign data[19] = 8'b000_00000;

assign data[20] = 8'b000_00000;

assign data[21] = 8'b000_00000;

assign data[22] = 8'b000_00000;

assign data[23] = 8'b000_00000;//游標位置

//3

assign data[24] = 8'b000_00000;//

assign data[25] = 8'b000_00000;

assign data[26] = 8'b000_00000;

assign data[27] = 8'b000_00000;

assign data[28] = 8'b000_00000;

assign data[29] = 8'b000_00000;

assign data[30] = 8'b000_00000;

assign data[31] = 8'b000_00000;//游標位置

//4

assign data[32] = 8'b000_00000;//

assign data[33] = 8'b000_00000;

assign data[34] = 8'b000_00000;

assign data[35] = 8'b000_00000;

assign data[36] = 8'b000_00000;

assign data[37] = 8'b000_00000;

assign data[38] = 8'b000_00000;

assign data[39] = 8'b000_00000;//游標位置

//5

assign data[40] = 8'b000_00000;//

assign data[41] = 8'b000_00000;

assign data[42] = 8'b000_00000;

assign data[43] = 8'b000_00000;

assign data[44] = 8'b000_00000;

assign data[45] = 8'b000_00000;

assign data[46] = 8'b000_00000;

assign data[47] = 8'b000_00000;//游標位置

//6

assign data[48] = 8'b000_00000;//

assign data[49] = 8'b000_00000;

assign data[50] = 8'b000_00000;

assign data[51] = 8'b000_00000;

assign data[52] = 8'b000_00000;

assign data[53] = 8'b000_00000;

assign data[54] = 8'b000_00000;

assign data[55] = 8'b000_00000;//游標位置

//7

assign data[56] = 8'b000_00000;//

assign data[57] = 8'b000_00000;

assign data[58] = 8'b000_00000;

assign data[59] = 8'b000_00000;

assign data[60] = 8'b000_00000;

assign data[61] = 8'b000_00000;

assign data[62] = 8'b000_00000;

assign data[63] = 8'b000_00000;//游標位置