Still remember the time of the Snake FC games, two cute small snake eating Peas...

代码说明：

还记得FC时代的贪吃蛇游戏吧，两只可爱的小蛇为了吃豆豆的冒险经历，现在贪吃蛇游戏也是根据当年响尾蛇改编的。现在，线在回归一下红白机年代的经典！ -Still remember the time of the Snake FC games, two cute small snake eating Peas for the adventure, and now Snake Diamondbacks Game is based on adaptation of the year. Now, the lines look at the return of the classic era of red and white machine!