1 files changed, 29 insertions, 0 deletions
diff --git a/tk-random.h b/tk-random.h
new file mode 100644
index 0000000..d559659
--- /dev/null
+++ b/tk-random.h
@@ -0,0 +1,29 @@
+#ifndef TK_RANDOM_H
+#define TK_RANDOM_H
+/*
+ * Smaller, pseudo-random function(s).
+ *
+ * Copyright (C) 2015 Selene ToyKeeper
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+uint8_t pgm_rand() {
+    static uint16_t offset = 255;
+    offset = (offset + 1) & 0x3ff | 0x0100;
+    return pgm_read_byte(offset);
+}
+
+#endif  // TK_RANDOM_H