19 #define KEYPRESS(key) ((keystate & (key)) && (keydelta & (key)))
20 #define KEYRELEASE(key) ((keystate & (key)) == 0 && (keydelta & (key)))
22 volatile uint16_t keystate, keydelta;
24 /*void key_repeat(int start, int rep, uint16_t mask);*/
26 void update_keyb(void);