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-rw-r--r--include/play_time.h10
-rw-r--r--include/trig.h11
2 files changed, 21 insertions, 0 deletions
diff --git a/include/play_time.h b/include/play_time.h
new file mode 100644
index 000000000..49091f4b1
--- /dev/null
+++ b/include/play_time.h
@@ -0,0 +1,10 @@
+#ifndef GUARD_PLAY_TIME_H
+#define GUARD_PLAY_TIME_H
+
+void PlayTimeCounter_Reset(void);
+void PlayTimeCounter_Start(void);
+void PlayTimeCounter_Stop(void);
+void PlayTimeCounter_Update(void);
+void PlayTimeCounter_SetToMax(void);
+
+#endif // GUARD_PLAY_TIME_H
diff --git a/include/trig.h b/include/trig.h
new file mode 100644
index 000000000..a2f98a3e6
--- /dev/null
+++ b/include/trig.h
@@ -0,0 +1,11 @@
+#ifndef GUARD_TRIG_H
+#define GUARD_TRIG_H
+
+extern const s16 gSineTable[];
+
+s16 Sin(s16 index, s16 amplitude);
+s16 Cos(s16 index, s16 amplitude);
+s16 Sin2(u16 angle);
+s16 Cos2(u16 angle);
+
+#endif // GUARD_TRIG_H