Fixed display_WriteData.

src/board.c

@@ -381,7 +381,7 @@ void display_WriteData(const uint8_t * data, uint8_t addr, uint8_t len) {
   int i, a;
   for (i=0; i<len; i++) {
     a = addr + i;
-    display_Buffer[addr] = data[a];
+    display_Buffer[a] = data[i];
   }
   display_WriteBuffer();
 #else