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authorSelene ToyKeeper2023-11-02 17:16:25 -0600
committerSelene ToyKeeper2023-11-02 17:16:25 -0600
commit7cb4fe0944b839f28dfd96a88a772cd6a8b58019 (patch)
tree8d3b203f1650edc28b1f67e1589e3bc870b33fa6 /fsm/random.c
parentadded LICENSE (GPLv3) (diff)
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reorganized project files (part 1)
(just moved files, didn't change the contents yet, and nothing will work without updating #includes and build scripts and stuff)
Diffstat (limited to 'fsm/random.c')
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diff --git a/fsm/random.c b/fsm/random.c
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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
+