crashy

#include <TVout.h>

/* TV Library */
TVout TV;

/* Button Pins */
const int buttonAPin = 11;
const int buttonBPin = 12;
const int buttonCPin = 13;

/* Buttons */
int buttonA = 0;
int buttonB = 0;
int buttonC = 0;

/* Pieces */
int pieceX = 0;
int pieceY = 0;

/* Counter */
int counter = 0;

/* Board */
int board[8][47] = {{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0},
                    {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};

/* Init */
void setup() {
  TV.begin(NTSC,120,96);
  Serial.begin(9600);

  pinMode(buttonAPin, INPUT);  // A STATUS
  pinMode(buttonBPin, INPUT);  // B STATUS
  pinMode(buttonCPin, INPUT);  // C STATUS
}

void clrPiece(int x, int y) {
  for (int i = 0; i < 5; i++) {
    for (int j = -2; j < 5; j++) {
      TV.set_pixel(x+i,y+j,0);
    }
  }
}

void piece(int t, int b, int x, int y) {
  Serial.print("X:");
  Serial.print(x);
  Serial.print('\n');

  Serial.print("Y:");
  Serial.print(y);
  Serial.print('\n');

  TV.set_pixel(x,y,1);
  TV.set_pixel(x+1,y,1);
  TV.set_pixel(x+2,y,1);
  TV.set_pixel(x+3,y,1);
  TV.set_pixel(x+4,y,1);

  TV.set_pixel(x,y+2,1);
  TV.set_pixel(x+1,y+2,1);
  TV.set_pixel(x+2,y+2,1);
  TV.set_pixel(x+3,y+2,1);
  TV.set_pixel(x+4,y+2,1);

  TV.set_pixel(x,y+4,1);
  TV.set_pixel(x+1,y+4,1);
  TV.set_pixel(x+2,y+4,1);
  TV.set_pixel(x+3,y+4,1);
  TV.set_pixel(x+4,y+4,1);

  TV.set_pixel(x,y+1,1);
  TV.set_pixel(x+4,y+1,1);

  TV.set_pixel(x,y+3,1);
  TV.set_pixel(x+4,y+3,1);
}

void checkBoard(int pX,int pY) {
  int vLine[5] = {0,0,0,0,0};

  vLine[0] = board[pX][pY-1];
  vLine[1] = board[pX][pY];

  if (pY < 45) {
    vLine[2] = board[pX][pY+1];
    vLine[3] = board[pX][pY+2];
  }

  if (pY < 44) {
    vLine[4] = board[pX][pY+3];
  }
}

/* Main */
void loop() {
  buttonA = digitalRead(buttonAPin);
  buttonB = digitalRead(buttonBPin);
  buttonC = digitalRead(buttonCPin);

  clrPiece(pieceX*5,pieceY*2);

  if (buttonA == HIGH) {
    if (pieceX > 0 && pieceX < 8 && pieceY > 0 && pieceY < 46) {
      if (board[pieceX-1][pieceY] == 0 && board[pieceX][pieceY+1] == 0) {
        pieceX -= 1; // <------ Problem starts here.  Comment out for working TV output.
      }
    }
  }

  if (buttonB == HIGH) {
    if (pieceX < 7 && pieceY < 46) {
    //  if (board[pieceX+1][pieceY] == 0 && board[pieceX][pieceY+1] == 0) {
        //pieceX += 1;
    //  }
    }
  }

  piece(0,0,pieceX*5,pieceY*2);

  counter += 1;

  /*
  if (counter == 5) {
    if (pieceY*2 < 91) {
      if (board[pieceX][pieceY+1] == 0) {
        pieceY += 1;
      } else {
        board[pieceX][pieceY-1] = 1;
        board[pieceX][pieceY] = 1;

        checkBoard(pieceX,pieceY);
        pieceY = 0;
      }

    } else {
      board[pieceX][pieceY-1] = 1;
      board[pieceX][pieceY] = 1;

      checkBoard(pieceX,pieceY);
      pieceY = 0;
    }

    counter = 0;
  }
  */

  delay(100); // Fix frame
}