Test nCurses moviendo la letra x

#include <iostream>
#include <curses.h>
using namespace std;

WINDOW *win;
void IniVideo(){
       win=initscr();
       clear();
       refresh();
       noecho();
       cbreak();
       keypad(win, TRUE);
       curs_set(0);//No hay cursor
}

void Exit(){
       refresh();
       endwin();
       exit(1);
}

int main () {
        int x(0);int y(0);
        int MAXY(0);int MAXX(0);
        int tecla(0);

        IniVideo();
        nodelay(stdscr, TRUE);
        getmaxyx(win, MAXY,MAXX);// to get the size of
       while (true){
               //move(12, 30); /* x , y */
               tecla=getch();

               if (tecla=='a'){x--;}
               if (tecla=='z'){x++;}
               if (tecla=='q'){y--;}
               if (tecla=='w'){y++;}


               if (x<0){x=MAXX-1;}
               if (y<0){y=MAXY-1;}
               if (x>MAXX-1){x=1;}
               if (y>MAXY-1){y=1;}

               clear();
               wmove(win, y, x);
               printw("x");

               //refresh();
               wrefresh(win);
       }
       Exit();
}