#include "init.h"
void System_Init() {
  P0 = 0xff;
  P2 = P2 & 0x1f | 0x80;
  P2 &= 0x1f;

  P0 = 0x00;
  P2 = P2 & 0x1f | 0xa0;
  P2 &= 0x1f;
}