#ifndef MACROS_H
#define MACROS_H

#define HIGH(x) ((uint8_t)(x >> 8))
#define LOW(x) ((uint8_t)(x))

// Saturating subtraction
#define SUBS(x,y) ((x>=y)?(x-y):0)
#define ADDS(x,y) ((x>0xFFFF - y)?0xFFFF:(x+y))

#define abs(x) ((x>0)?(x):(-(x)))

#endif