#endif
#define read16() 256*(uint8_t)read_byte() + (uint8_t)read_byte()
#define from16(a, b) 256*a+b
#define write16(i) { write_byte((uint8_t)i/256); write_byte((uint8_t)i%256); }
#endif
#define read16() 256*(uint8_t)read_byte() + (uint8_t)read_byte()
#define from16(a, b) 256*a+b
#define write16(i) { write_byte((uint8_t)i/256); write_byte((uint8_t)i%256); }