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// fsm-random.c: Random number generator for SpaghettiMonster. // Copyright (C) 2017-2023 Selene ToyKeeper // SPDX-License-Identifier: GPL-3.0-or-later #pragma once #ifdef USE_PSEUDO_RAND uint8_t pseudo_rand() { static uint16_t offset = 1024; // loop from 1024 to 4095 offset = ((offset + 1) & 0x0fff) | 0x0400; pseudo_rand_seed += 0b01010101; // 85 return pgm_read_byte(offset) + pseudo_rand_seed; } #endif |