finish math_util

2017-10-28 16:15:36 -04:00
parent 8613e8a54d
commit 6d3778948d
3 changed files with 24 additions and 57 deletions
--- a/src/math_util.c
+++ b/src/math_util.c
@@ -60,3 +60,27 @@ s32 sub_81515FC(s32 x, s32 y)
    _x *= 256;
    return _x / y;
 }
+
+s16 sub_8151624(s16 y)
+{
+    s32 x;
+
+    x = 0x10000;
+    return x / y;
+}
+
+s16 sub_815163C(u8 s, s16 y)
+{
+    s32 x;
+
+    x = 0x100 << s;
+    return x / y;
+}
+
+s32 sub_815165C(s32 y)
+{
+    s64 x;
+
+    x = 0x10000;
+    return x / y;
+}