2d array output...is odd!

[cacti]

Hi guys, new member. I am in my second term of C++ programming and for one of my projects this term I gotta make a relatively basic tron game.not overly difficult except for a few things. but with that being said one thing is just driving me spider monkey crazy. whenever i run the game, and get into the game loop, my 2d array output appears to be shifting while in the game loop. IE instead of the screen refreshing in a vertical fashion and the 'bikes' staing in position, everything shifts to the right, wraps around the command prompt screen, until the array runs out of memory. Its extremly wierd. below is the code. any feedback sure would be appreciated! Oh, i have a lot of things commented out as a way to troubleshoot. note that most of the things commented out wont be implemented in the final product as I have found other ways to make the game work.

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <conio.h>
#include <windows.h>
#include <stdio.h>

using namespace std;
//void gameboard(int& px, int& py, int& cx, int& cy);
void rules ();
void game(int *px, int *py, int *cx, int *cy, bool gameOver,char (&gameboard)[25][80]);
//void game(int& px, int& py, int& cx, int& cy, char& moveN, char& moveS, char& moveE, char& moveW, bool& gameOver,char (&gameboard)[25][80]);
void move1(int *px, int *py, int *cx, int *cy);
//void move2(&movement2);
//void moveNorth(int *px);
void moveSouth(int *px);
void moveEast(int *py);
void moveWest(int *py);
void collision(int* px, int* py, int* cx, int* cy, bool* gameOver);
char gameboard[25][80];
int main(int argc, char *argv[])
{
   bool gameOver=false;
   char moveN='w';
   char moveS='s';
   char moveE='d';
   char moveW='a';
   int px=23;
   int py=79;
   int cx=23;
   int cy=0;
   char menuSelect;
   char playAgain='y';
//   const int column=80;
//   const int row=25;
//   char gameboard[row][column];
//char *pBoard=&gameboard[row][column];
   
   while (playAgain=='y' || playAgain=='Y')
   {
    cout<<"Welcome to Tron, a two player racing game. The object? Survive!."<<endl;
    cout<<"Press R for rules, P to play, or Q to quit"<<endl;
    cin>>menuSelect;
    switch (menuSelect)
           {
           case 'p':
           game(&px,&py,&cx,&cy,gameOver,gameboard);
           break;
           case 'R':
           rules ();
           break;
           case 'Q':
           cout<<"Thanks for playing"<<endl;
           break;
           case 'P':
           game(&px,&py,&cx,&cy,gameOver,gameboard);
           break;
           case 'r':
           rules ();
           break;
           case 'q':
           cout<<"Thanks for playing"<<endl;
           break;
           default:
           cout<<"You entered an invalid menu selection."<<endl;
           break;
           }
    cout<<"Would you like to play again?\n\n";
    cin>>playAgain;
    while (!(playAgain =='y' || playAgain =='Y' || playAgain =='n' || playAgain=='N'))
    {
     cout<<"You have entered an invalid selection\n";
     cout<<"Would you like to play again?\n";
     cin>>playAgain; 
    }      
  }                    
    system("PAUSE");
    return 0;
}



void game(int *px, int *py, int *cx, int *cy, bool gameOver,char (&gameboard)[25][80])
{
  for (int i = 0; i<25; i++)
    {
        for (int j = 0; j<80; j++)
        {
          gameboard[i][j]=' ';
        }
    } 
  cout<<"To begin moving, press the W key to move up, D to move right, A to move left, or S to move down\n\n";
  while(gameOver==false)
  
   {
    move1(px,py,cx,cy);
    for (int i = 0; i<25; i++)
    {
        for (int j = 0; j<80; j++)
        {
          cout<<gameboard[i][j];
          gameboard[*px][*py]='X';
          gameboard[*cx][*cy]='Y';
        }
    }  
    
    Sleep(350);
//    collision(px,py,cx,cy,gameOver);
   }
    
} 
     
     
     
  

void move1(int *px, int *py, int *cx, int *cy)
{
 
 if (kbhit())
 {
  switch (getche())
   {
    case 'w':
    *px=*px-1;
    break;
    case 'W':
    *px=*px-1;;
    break;
    case 'd':
    *py=*py+1;
    break;
    case 'D':
    *py=*py+1;
    break;
    case 's':
    *px=*px+1;
    break;
    case 'S':
    *px=*px+1;
    break;
    case 'a':
    *py=*py-1;
    break;
    case 'A':
    *py=*py-1;
    break;
    default:
    cout<<"You entered an invalid menu selection."<<endl;
    break;
   }
  }
}

//void move2(&movement2)
  //{
     //if (&movement2=='i')
    //   {
     
//} 

//void moveNorth(int *px)
//{
// *px=*px-1;
// 
//} 

//void moveSouth(int *px) 
//{
  
//   *px=*px+1;
  
//}     

//void moveEast(int *py)
//{
//  *py=*py+1;
   
//}   

//void moveWest(int *py)
//{
//  *py=*py-1;
  
//}   


void collision(int* px, int* py, int* cx, int* cy, bool* gameOver)
{
     if (*px>80 || *px<0)
     {
      *gameOver=true;
      cout<<"COLLISION YOU BE DEAD YO!\n";
      cout<<"GAME OVER!\n";
     
     }
     
     if (*py>25|| *py<1)
     {
      *gameOver=true;
      cout<<"COLLISION YOU BE DEAD YO!\n";
      cout<<"GAME OVER!\n";
     }
}     
void rules ()
{
 cout<<"Tron is a contest between you and the machine.\n";
 cout<<"The left line is controlled by the player 1, player 2 controls the right line.\n";
 cout<<"Use the keyboard arrow keys to turn left, right, up or down.\n";
 cout<<"The first player who crashes by touching another line with his own loses.\n";  
 cout<<"To move your bike w,a,s,and d moves the bike north,east,west and south for player one.\n";
 cout<<" for player two, the movement commands are I for north, j for west,e for east and m for south\n";
} 

[cacti]

disregard, problem solved. the issue for those that are interested revolves around the move1 function. needed to add a cout<<endl;. dont quite know why but it fixed it