Footprint calculations done by building an empty sketch for an Arduino then comparing to a (no io) VM sketch.

arduino-cli compile -b STMicroelectronics:stm32:GenL0 -e

host-arduino/host-arduino.ino

@@ -70,6 +70,4 @@ void loop(void) {
         uvm32_load(&vmst, ___precompiled_mandel_bin, ___precompiled_mandel_bin_len);
         isrunning = true;
     }
-
-    return;
 }