#ifndef _UTILITY_HEADER_
#define _UTILITY_HEADER_

#include <stdint.h>

#define SCREEN_HEIGHT 192
#define SCREEN_WIDTH_BYTES 128
#define BYTES_PER_LINE 40

#define PEEKZ(a) (*(volatile uint8_t* __attribute__((zpage)))(a))
#define POKEZ(a, b) ((*(volatile uint8_t* __attribute__((zpage)))(a)) = b)

#define PEEK(a) (*(volatile uint8_t*)(a))
#define POKE(a, b) ((*(volatile uint8_t*)(a)) = b)

#define PEEKW(a) (*(volatile uint16_t*)(a))
#define POKEW(a, b) ((*(volatile uint16_t*)(a)) = b)

#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))

void num_to_decbuf(uint16_t n, uint8_t len, uint8_t *buf);
uint8_t bit_reverse(uint8_t b);
uint8_t bit_count(uint8_t b);
uint16_t lfsr_update(void);
//void print_line(const char* line, uint8_t off_x, uint8_t off_y);

#endif /* _UTILITY_HEADER_ */