   }
 }
 
+void drawLine(int16_t x, int16_t y0, int16_t y1) {
+  while (y0>=y1) {
+    display.drawPixel(x, y0, WHITE);
+    y0--;
+  }
+}
 
 void drawDottedLine(int16_t x, int16_t y0, int16_t y1) {
   uint16_t color = BLACK;

    i ? color=WHITE:color=BLACK;
    display.drawPixel(x, y0, color);
  }
  
}

void drawWallLine(uint8_t x, uint8_t h, uint8_t side) {

void rotatePlayer(Player *player, uint8_t right);
void movePlayer(Player *player);
void drawDottedLine(int16_t x, int16_t y0, int16_t y1);
void drawLine(int16_t x, int16_t y0, int16_t y1);

void setup()  {
  D(Serial.begin(9600));
