Arduino Due TIC TAC TOE with Touchscreen

      /////////////////////////////////////////////
     //    2.8" TOUCH SCREEN TIC TAC TOE        //
    //                                         //
   //          http://www.educ8s.tv           //
  //                                         //
 //         modified 08.2017 by rom3        // 
/////////////////////////////////////////////

#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <URTouch.h>
#include <avr/pgmspace.h>

#define TFT_RST 8
#define TFT_DC 9
#define TFT_CS 10
#define TOUCH_ORIENTATION  LANDSCAPE

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);

Adafruit_GFX_Button buttons[9];

URTouch  myTouch(30, 28, 26, 24, 22);

unsigned short int moves = 1; 
unsigned short int winner = 0;  //0 = Draw, 1 = Human, 2 = CPU
unsigned short int x,y; // position touch
unsigned short int cursor; // Cursor position
unsigned short int firstMoves[]={0,2,6,8}; // will use these positions first, if CPU begins
unsigned short int board[] = {0,0,0,0,0,0,0,0,0};// holds position data 0 is blank, 1 human, 2 is computer
bool player; // true=YOU, false=CPU
bool b=1; 

char start[10] = {"Gamestart"};
char you[4] = {"YOU"};
char cpu[4] = {"CPU"};
char again[7] = {"Again?"};
 
const unsigned char circle[]PROGMEM={
0b0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7,0xf8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x7f,0xff,0x80,0x0,0x0,0x0,0x0,0x0,0x3,0xff,0xff,0xf0,0x0,0x0,0x0,
0x0,0x0,0xf,0xff,0xff,0xfc,0x0,0x0,0x0,0x0,0x0,0x1f,0xff,0xff,0xfe,0x0,0x0,0x0,0x0,0x0,0x7f,0xf0,0x3,0xff,0x80,0x0,0x0,0x0,0x0,0xff,0x80,0x0,0x7f,0xc0,0x0,0x0,0x0,0x1,0xfe,0x0,0x0,0x1f,0xe0,0x0,0x0,
0x0,0x3,0xf8,0x0,0x0,0x7,0xf0,0x0,0x0,0x0,0x7,0xf0,0x0,0x0,0x3,0xf8,0x0,0x0,0x0,0xf,0xe0,0x0,0x0,0x1,0xfc,0x0,0x0,0x0,0xf,0xc0,0x0,0x0,0x0,0xfc,0x0,0x0,0x0,0x1f,0x80,0x0,0x0,0x0,0x7e,0x0,0x0,
0x0,0x3f,0x0,0x0,0x0,0x0,0x3f,0x0,0x0,0x0,0x3e,0x0,0x0,0x0,0x0,0x1f,0x0,0x0,0x0,0x7e,0x0,0x0,0x0,0x0,0x1f,0x80,0x0,0x0,0x7c,0x0,0x0,0x0,0x0,0xf,0x80,0x0,0x0,0x7c,0x0,0x0,0x0,0x0,0xf,0x80,0x0,
0x0,0xf8,0x0,0x0,0x0,0x0,0x7,0xc0,0x0,0x0,0xf8,0x0,0x0,0x0,0x0,0x7,0xc0,0x0,0x0,0xf8,0x0,0x0,0x0,0x0,0x7,0xc0,0x0,0x0,0xf0,0x0,0x0,0x0,0x0,0x3,0xc0,0x0,0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,
0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,
0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,0x1,0xf0,0x0,0x0,0x0,0x0,0x3,0xe0,0x0,0x0,0xf0,0x0,0x0,0x0,0x0,0x3,0xc0,0x0,0x0,0xf8,0x0,0x0,0x0,0x0,0x7,0xc0,0x0,0x0,0xf8,0x0,0x0,0x0,0x0,0x7,0xc0,0x0,
0x0,0xf8,0x0,0x0,0x0,0x0,0x7,0xc0,0x0,0x0,0x7c,0x0,0x0,0x0,0x0,0xf,0x80,0x0,0x0,0x7c,0x0,0x0,0x0,0x0,0xf,0x80,0x0,0x0,0x7e,0x0,0x0,0x0,0x0,0x1f,0x80,0x0,0x0,0x3e,0x0,0x0,0x0,0x0,0x1f,0x0,0x0,
0x0,0x3f,0x0,0x0,0x0,0x0,0x3f,0x0,0x0,0x0,0x1f,0x80,0x0,0x0,0x0,0x7e,0x0,0x0,0x0,0xf,0xc0,0x0,0x0,0x0,0xfc,0x0,0x0,0x0,0xf,0xe0,0x0,0x0,0x1,0xfc,0x0,0x0,0x0,0x7,0xf0,0x0,0x0,0x3,0xf8,0x0,0x0,
0x0,0x3,0xf8,0x0,0x0,0x7,0xf0,0x0,0x0,0x0,0x1,0xfe,0x0,0x0,0x1f,0xe0,0x0,0x0,0x0,0x0,0xff,0x80,0x0,0x7f,0xc0,0x0,0x0,0x0,0x0,0x7f,0xf0,0x3,0xff,0x80,0x0,0x0,0x0,0x0,0x1f,0xff,0xff,0xfe,0x0,0x0,0x0,
0x0,0x0,0xf,0xff,0xff,0xfc,0x0,0x0,0x0,0x0,0x0,0x3,0xff,0xff,0xf0,0x0,0x0,0x0,0x0,0x0,0x0,0x7f,0xff,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x7,0xf8,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0
};

const unsigned char x_bitmap[]PROGMEM={
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x3,0xff,0xff,0xc0,0x1,0xff,0xff,0xe0,0x0,
0x1,0xff,0xff,0xe0,0x1,0xff,0xff,0xc0,0x0,0x1,0xff,0xff,0xf0,0x3,0xff,0xff,0xc0,0x0,0x0,0xff,0xff,0xf0,0x7,0xff,0xff,0x80,0x0,0x0,0xff,0xff,0xf8,0x7,0xff,0xff,0x80,0x0,0x0,0x7f,0xff,0xf8,0xf,0xff,0xff,0x0,0x0,
0x0,0x3f,0xff,0xfc,0xf,0xff,0xfe,0x0,0x0,0x0,0x3f,0xff,0xfe,0x1f,0xff,0xfe,0x0,0x0,0x0,0x1f,0xff,0xfe,0x1f,0xff,0xfc,0x0,0x0,0x0,0x1f,0xff,0xff,0x3f,0xff,0xfc,0x0,0x0,0x0,0xf,0xff,0xff,0x7f,0xff,0xf8,0x0,0x0,
0x0,0xf,0xff,0xff,0xff,0xff,0xf8,0x0,0x0,0x0,0x7,0xff,0xff,0xff,0xff,0xf0,0x0,0x0,0x0,0x3,0xff,0xff,0xff,0xff,0xe0,0x0,0x0,0x0,0x3,0xff,0xff,0xff,0xff,0xe0,0x0,0x0,0x0,0x1,0xff,0xff,0xff,0xff,0xc0,0x0,0x0,
0x0,0x1,0xff,0xff,0xff,0xff,0xc0,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0x80,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0x80,0x0,0x0,0x0,0x0,0x7f,0xff,0xff,0xff,0x0,0x0,0x0,0x0,0x0,0x3f,0xff,0xff,0xfe,0x0,0x0,0x0,
0x0,0x0,0x3f,0xff,0xff,0xfe,0x0,0x0,0x0,0x0,0x0,0x1f,0xff,0xff,0xfc,0x0,0x0,0x0,0x0,0x0,0x1f,0xff,0xff,0xfc,0x0,0x0,0x0,0x0,0x0,0x1f,0xff,0xff,0xfc,0x0,0x0,0x0,0x0,0x0,0x3f,0xff,0xff,0xfe,0x0,0x0,0x0,
0x0,0x0,0x3f,0xff,0xff,0xfe,0x0,0x0,0x0,0x0,0x0,0x7f,0xff,0xff,0xff,0x0,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0x80,0x0,0x0,0x0,0x0,0xff,0xff,0xff,0xff,0x80,0x0,0x0,0x0,0x1,0xff,0xff,0xff,0xff,0xc0,0x0,0x0,
0x0,0x1,0xff,0xff,0xff,0xff,0xc0,0x0,0x0,0x0,0x3,0xff,0xff,0xff,0xff,0xe0,0x0,0x0,0x0,0x3,0xff,0xff,0xff,0xff,0xe0,0x0,0x0,0x0,0x7,0xff,0xff,0xff,0xff,0xf0,0x0,0x0,0x0,0xf,0xff,0xff,0xff,0xff,0xf8,0x0,0x0,
0x0,0xf,0xff,0xff,0xff,0xff,0xf8,0x0,0x0,0x0,0x1f,0xff,0xff,0x7f,0xff,0xfc,0x0,0x0,0x0,0x1f,0xff,0xfe,0x3f,0xff,0xfc,0x0,0x0,0x0,0x3f,0xff,0xfc,0x3f,0xff,0xfe,0x0,0x0,0x0,0x3f,0xff,0xfc,0x1f,0xff,0xfe,0x0,0x0,
0x0,0x7f,0xff,0xf8,0x1f,0xff,0xff,0x0,0x0,0x0,0xff,0xff,0xf8,0xf,0xff,0xff,0x80,0x0,0x0,0xff,0xff,0xf0,0x7,0xff,0xff,0x80,0x0,0x1,0xff,0xff,0xe0,0x7,0xff,0xff,0xc0,0x0,0x1,0xff,0xff,0xe0,0x3,0xff,0xff,0xc0,0x0,
0x3,0xff,0xff,0xc0,0x3,0xff,0xff,0xe0,0x0,0x3,0xff,0xff,0xc0,0x1,0xff,0xff,0xe0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0
};

void setup() {
  myTouch.InitTouch();
  myTouch.setPrecision(PREC_HI);
  tft.begin();
  tft.setRotation(3);
  tft.fillScreen(ILI9341_BLACK);
  //Draw white frame
  tft.drawRect(0,0,320,240,ILI9341_WHITE);
  //Print "Arduino" text 
  tft.setCursor(80,30);
  tft.setTextColor(ILI9341_GREEN);
  tft.setTextSize(4);
  tft.print("Arduino");
  //Print "Tic Tac Toe" Text
  tft.setCursor(30,100);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(4);
  tft.print("Tic Tac Toe");
  //Create Red Button
  // create buttons // x, y, w, h, outline, fill, text
          buttons[0].initButton(&tft, 160,200,200,40,ILI9341_WHITE, ILI9341_RED, ILI9341_WHITE,
                      start, 2); 
          buttons[0].drawButton();
do{
  waitonetouch(&x,&y);
  if (buttons[0].contains(x,y))
  b=0;
}while(b>0); 
}
void loop() 
{
  for(unsigned short int i=0;i<9;i++)
    {
      board[i]=0;
    }
    tft.fillScreen(ILI9341_BLACK);
    //Draw white frame
    tft.drawRect(0,0,320,240,ILI9341_WHITE);
    //Print "Tic Tac Toe" Text
    tft.setCursor(30,30);
    tft.setTextColor(ILI9341_WHITE);
    tft.setTextSize(4);
    tft.print("Tic Tac Toe");
    //Print "YouTube!" text 
    tft.setCursor(30,100);
    tft.setTextColor(ILI9341_GREEN);
    tft.setTextSize(4);
    tft.print("Who begins");
    //Create Red Button
    // create buttons // x, y, w, h, outline, fill, text
          buttons[0].initButton(&tft, 100,200,80,40,ILI9341_WHITE, ILI9341_RED, ILI9341_WHITE,
                      you, 2); 
          buttons[0].drawButton();
          // create buttons // x, y, w, h, outline, fill, text
          buttons[1].initButton(&tft, 200,200,80,40,ILI9341_WHITE, ILI9341_RED, ILI9341_WHITE,
                      cpu, 2); 
          buttons[1].drawButton();
    b=1;
    do{
    waitonetouch(&x,&y);
    if (buttons[0].contains(x,y))
    {
      b=0;
      player = 1;
      tft.fillScreen(ILI9341_BLACK);
      //Draw white frame
      tft.drawRect(0,0,320,240,ILI9341_WHITE);
      tft.setCursor(30,30);
      tft.setTextColor(ILI9341_WHITE);
      tft.setTextSize(2);
      tft.print("Ok, you begin.");
      delay(2000);
    }
      if(buttons[1].contains(x,y))
      {
        b=0;
        player = 0;
        tft.fillScreen(ILI9341_BLACK);
        //Draw white frame
        tft.drawRect(0,0,320,240,ILI9341_WHITE);
        tft.setCursor(30,30);
        tft.setTextColor(ILI9341_WHITE);
        tft.setTextSize(2);
        tft.print("Ok, CPU begins."); 
        delay(2000);
       }
    }while(b>0);
    b=1;
    moves = 1; 
    winner = 0;
    cursor = 10;
         
    tft.fillScreen(ILI9341_BLACK);

    //Draw frame
    tft.drawRect(0,0,320,240,ILI9341_WHITE);
    //Draw vertical line
    tft.fillRect(80,15,5,205,ILI9341_WHITE); 
    tft.fillRect(150,15,5,205,ILI9341_WHITE);
    //Draw horizontal line
    tft.fillRect(15,80,205,5,ILI9341_WHITE);
    tft.fillRect(15,150,205,5,ILI9341_WHITE);
    tft.drawRect(230,10,80,220,ILI9341_WHITE);
    {
  do
  {
    if(moves%2==1 && player==false || moves%2==0 && player==true)
    {
     cursor+=10;
     tft.setCursor(240,cursor);
     tft.setTextSize(1);
     tft.println("I draw");
     arduinoMove();
     checkWinner();
    }else
    {
      cursor+=10;
      tft.setCursor(240,cursor);
      tft.setTextSize(1);
      tft.println("Your move");
      playerMove(); 
      checkWinner();  
    }
    delay(1000);
    moves++;
  }while (winner==0 && moves<10); 
  waitonetouch(&x,&y);
  tft.fillScreen(ILI9341_BLACK);

  //Draw frame
  tft.drawRect(0,0,320,240,ILI9341_WHITE);

  //Print "Game Over" Text
  tft.setCursor(50,30);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(4);
  tft.print("GAME OVER");
  
  if(winner == 0)
{
  //Print "DRAW!" text 
  tft.setCursor(110,100);
  tft.setTextColor(ILI9341_YELLOW);
  tft.setTextSize(4);
  tft.print("DRAW");
}
 if(winner == 1)
{
  //Print "HUMAN WINS!" text 
  tft.setCursor(40,100);
  tft.setTextColor(ILI9341_BLUE);
  tft.setTextSize(4);
  tft.print("HUMAN WINS");
}

 if(winner == 2)
{
  //Print "CPU WINS!" text 
  tft.setCursor(60,100);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(4);
  tft.print("CPU WINS");
}
  // create buttons // x, y, w, h, outline, fill, text
          buttons[0].initButton(&tft, 160,200,200,40,ILI9341_WHITE, ILI9341_RED, ILI9341_WHITE,
                      again, 2); 
          buttons[0].drawButton();
  do{
   waitonetouch(&x,&y);
   if (buttons[0].contains(x,y))
   b=0;
    }while(b>0);
  }
} 

void playerMove()
{
    waitonetouch(&x,&y);
        if((x>15 && x<85) && (y>15 && y<85)) //0
      {
        if(board[0]==0)
        {
          board[0]=1;
          drawX(15,15);
    }
       else error();
      }
    else if((x>85 && x<155)&& (y>15 && y<85)) //1
      {
        if(board[1]==0)
        {
          board[1]=1;
          drawX(85,15);  
        }
       else error();
      }
    if((x>155 && x<225)&& (y>15 && y<85)) //2
      {
        if(board[2]==0)
        {
          board[2]=1;
          drawX(155,15); 
        }
       else error();
      }
    if((x>15 && x<85)&& (y>85 && y<155)) //3
      {
        if(board[3]==0)
        {
          board[3]=1;
          drawX(15,85);
        }
       else error();
      }
    if((x>85 && x<155)&& (y>85 && y<155)) //4
      {
        if(board[4]==0)
        {
          board[4]=1;
          drawX(85,85);
            }
       else error();
      }
    if((x>155 && x<225)&& (y>85 && y<155)) //5
      {
        if(board[5]==0)
        {
          board[5]=1;
          drawX(155,85);
            }
       else error();
      }
    if((x>15 && x<85)&& (y>155 && y<225)) //6
      {
        if(board[6]==0)
        {
          board[6]=1;
          drawX(15,155);
              }
          else error();
      }
     if((x>85 && x<155)&& (y>155 && y<225)) //7
      {
        if(board[7]==0)
        {
          board[7]=1;
          drawX(85,155);
            }
       else error();
      }
     if((x>155 && x<225)&& (y>155 && y<225)) //8
      {
        if(board[8]==0)
        {
          board[8]=1;
          drawX(155,155);  
        }
       else error();
       }
}

void error(){
  cursor+=10;
  tft.setCursor(240,cursor);
  tft.setTextSize(1);
  tft.println("Error");
  delay(1000);
  cursor+=10;
  tft.setCursor(240,cursor);
  tft.println("Try again.");
  playerMove();
}

unsigned short int checkOpponent(unsigned short int x, unsigned short int y)
{
  if(board[1]==x && board[2]==x && board[0]==y){
    if(y==0){
    return 0;
  }
  else return 1;
  }
  if(board[3]==x && board[6]==x && board[0]==y){
    if(y==0){
    return 0;
  }
  else return 6;
  }
  if(board[0]==y && board[4]==x && board[8]==x){
    if(y==0){
    return 0;
  }
  else return 8;
  }
  if(board[0]==x && board[1]==y && board[2]==x){
    if(y==0){
    return 1;
  }
  else return 0;
  }
  if(board[4]==x && board[7]==x && board[1]==y){
    if(y==0){
    return 1;
  }
  else return 7;
  }
  if(board[0]==x && board[1]==x && board[2]==y){
    if(y==0){
    return 2;
  }
  else return 0;
  }
  if(board[5]==x && board[8]==x && board[2]==y){
    if(y==0){
    return 2;
  }
  else return 8;
  }
  if(board[4]==x && board[6]==x && board[2]==y){
    if(y==0){
    return 2;
  }
  else return 6;
  }
  if(board[4]==x && board[5]==x && board[3]==y){
    if(y==0){
    return 3;
  }
  else return 5;
  }
  if(board[0]==x && board[6]==x && board[3]==y){
    if(y==0){
    return 3;
  }
  else return 6;
  }
  if(board[3]==x && board[4]==y && board[5]==x){
    if(y==0){
    return 4;
  }
  else return 3;
  }
  if(board[1]==x && board[7]==x && board[4]==y){
    if(y==0){
    return 4;
  }
  else return 1;
  }
  if(board[0]==x && board[8]==x && board[4]==y){
    if(y==0){
    return 4;
  }
  else return 0;
  }
  if(board[2]==x && board[6]==x && board[4]==y){
    if(y==0){
    return 4;
  }
  else return 2;
  }
  if(board[3]==x && board[4]==x && board[5]==y){
    if(y==0){
    return 5;
  }
  else return 3;
  }
  if(board[2]==x && board[8]==x && board[5]==y){
    if(y==0){
    return 5;
  }
  else return 2;
  }
  if(board[7]==x && board[8]==x && board[6]==y){
    if(y==0){
    return 6;
  }
  else return 8;
  }
  if(board[0]==x && board[3]==x && board[6]==y){
    if(y==0){
    return 6;
  }
  else return 0;
  }
  if(board[4]==x && board[2]==x && board[6]==y){
    if(y==0){
    return 6;
  }
  else return 2;
  }
  if(board[1]==x && board[4]==x && board[7]==y){
    if(y==0){
    return 7;
  }
  else return 1;
  }
  if(board[6]==x && board[8]==x && board[7]==y){
    if(y==0){
    return 7;
  }
  else return 6;
  }
  if(board[6]==x && board[7]==x && board[8]==y){
    if(y==0){
    return 8;
  }
  else return 6;
  }
  if(board[5]==x && board[2]==x && board[8]==y){
    if(y==0){
    return 8;
  }
  else return 2;
  }
  if(board[4]==x && board[0]==x && board[8]==y){
  if(y==0){
    return 8;
  }
  else return 0;
  }
  else
  return 100;
}

void arduinoMove()
{
    if(moves<2)
    {
      do{
      unsigned short int randomMove =random(4); 
      unsigned short int c=firstMoves[randomMove];
      if(board[c]==0){   
         board[c]=2;
         drawCpuMove(firstMoves[randomMove]);
         return;
    }
    }while(moves<2);
    }
    if(moves<3)
    {
      if(board[4]==0)
      {   
         board[4]=2;
         drawCpuMove(4);
         return;
      }
    }
    unsigned short int twoPlayer = checkOpponent(2,0);//CPU two in a row?
    if(twoPlayer < 9)
    {
      board[twoPlayer]=2;
      drawCpuMove(twoPlayer);
      return;
    }
    unsigned short int nextMove = checkOpponent(1,0);//Player two in a row?
    if(nextMove < 9)
        {
        board[nextMove]=2;
        drawCpuMove(nextMove);
        return;
        }
    unsigned short int next = checkOpponent(0,2);
    if(next < 9)
        {
        board[next]=2;
        drawCpuMove(next);
        return;
        }
    do
      {
      unsigned short int randomMove =random(9); 
      if (board[randomMove]==0)
        {  
          board[randomMove]=2;
          drawCpuMove(randomMove);
          return;
        }   
      }while(nextMove == 100);
}  

void drawCircle(unsigned short int x, unsigned short int y)
{
  tft.drawBitmap(x,y,circle,65,65,ILI9341_RED);
}

void drawX(unsigned short int x, unsigned short int y)
{
  tft.drawBitmap(x,y,x_bitmap,65,65,ILI9341_BLUE);
}

void drawCpuMove(unsigned short int move)
{
  switch(move)
  {
    case 0: drawCircle(15,15);  break;
    case 1: drawCircle(85,15); break;
    case 2: drawCircle(155,15); break;
    case 3: drawCircle(15,85);  break;
    case 4: drawCircle(85,85); break;
    case 5: drawCircle(155,85); break;
    case 6: drawCircle(15,155); break;
    case 7: drawCircle(85,155);break;
    case 8: drawCircle(155,155);break;
  }
}

void checkWinner() 
// checks board to see if there is a winner
// places result in the global variable 'winner'
{
  // noughts win?
  if (board[0]>0 && board[1]==board[0] && board[2]==board[0]) { 
    winner=board[0];
    tft.fillRect(15, 45, 205, 5, ILI9341_WHITE); 
  }
  if (board[3]>0 && board[4]==board[3] && board[5]==board[3]) { 
    winner=board[3]; 
    tft.fillRect(15, 115, 205, 5, ILI9341_WHITE);
  }
  if (board[6]>0 && board[7]==board[6] && board[8]==board[6]) { 
    winner=board[6]; 
    tft.fillRect(15, 185, 205, 5, ILI9341_WHITE);
  }  
  if (board[0]>0 && board[3]==board[0] && board[6]==board[0]) { 
    winner=board[0]; 
    tft.fillRect(45, 15, 5, 205, ILI9341_WHITE);
  }
  if (board[1]>0 && board[4]==board[1] && board[7]==board[1]) { 
    winner=board[1]; 
    tft.fillRect(115, 15, 5, 205, ILI9341_WHITE);
  }
  if (board[2]>0 && board[5]==board[2] && board[8]==board[2]) { 
    winner=board[2]; 
    tft.fillRect(185, 15, 5, 205, ILI9341_WHITE);
  }  
  if (board[0]>0 && board[4]==board[0] && board[8]==board[0]) { 
    winner=board[0];
    for(unsigned short int xx=0;xx<6;xx++){ 
    tft.drawLine(20+xx, 20, 210+xx, 210, ILI9341_WHITE);
  }
  }
  if (board[2]>0 && board[4]==board[2] && board[6]==board[2]) { 
    winner=board[2]; 
    for(unsigned short int xx=0;xx<6;xx++){
    tft.drawLine(210+xx, 20, 20+xx, 210, ILI9341_WHITE);
  }
  }
}
void waitonetouch(unsigned short int *x,unsigned short int *y){
  do
  {    
    delay(10);
    if (myTouch.dataAvailable() == true)
    {
      myTouch.read();
      *x = myTouch.getX();  //Get touch point  
      *y = myTouch.getY();
      return;
      }
  }while(myTouch.dataAvailable()==false); 
}