/*----------------------------------------------------------------------------*/
// {{{ includes

#include <inttypes.h>
#include <bha/shared/functions.h>

// }}} includes
/*----------------------------------------------------------------------------*/
// {{{ prng

uint8_t prng()
{
	// xorshift 16 bit
	static uint16_t state = 257;
	register uint16_t tmp = state;
    tmp ^= tmp << 13;
    tmp ^= tmp >> 9;
    tmp ^= tmp << 7;
	state = tmp;
	return tmp;
}

// }}} prng
/*----------------------------------------------------------------------------*/