func StartScreen() {
curses.Initscr()
curses.Cbreak()
curses.Noecho()
curses.Nonl()
curses.Stdwin.Keypad(true)
}
func initscreen(s *Dvi) {
curses.Initscr()
curses.Cbreak()
curses.Noecho()
curses.Nonl()
curses.Start_color()
curses.Stdwin.Keypad(true)
s.w = curses.Stdwin
curses.Init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE)
curses.Init_pair(2, curses.COLOR_RED, curses.COLOR_WHITE)
curses.Init_pair(3, curses.COLOR_BLACK, curses.COLOR_YELLOW)
}