Optimize a bit

game.h

@@ -46,6 +46,13 @@ void LCR_sleep(uint16_t timeMs);
 */
 void LCR_drawPixel(unsigned long index, uint16_t color);
 
+/**
+  Implement this in your frontend. This function will be called to log what the
+  program is doing. If you want to ignore logging, simply make the function do
+  nothing.
+*/
+void LCR_log(const char *str);
+
 /**
   Call this function in your frontend at the start of the program.
 */
@@ -106,6 +113,8 @@ static inline void LCR_drawPixelXYSafe(unsigned int x, unsigned int y,
 
 void LCR_gameInit(void)
 {
+  LCR_log("initializing");
+
   for (int i = 0; i < LCR_KEYS_TOTAL; ++i)
     LCR_keyStates[i] = 0;