JAudio2 and Z2AudioLib work (#2223)

* JAudio2 and Z2AudioLib work

* check1stDynamicWave matched

2 files changed, 7 insertions, 3 deletions

diff --git a/include/JSystem/JMath/JMATrigonometric.h b/include/JSystem/JMath/JMATrigonometric.h
index 89c4944773..2b162c56c5 100644
--- a/include/JSystem/JMath/JMATrigonometric.h
+++ b/include/JSystem/JMath/JMATrigonometric.h
@@ -39,16 +39,16 @@ struct TSinCosTable {
 
     inline T sinDegree(T degree) {
         if (degree < (T)0.0) {
-            return -table[(u16)(((T)(1 << N) / 360.0) * degree) & ((1 << N) - 1)].first;
+            return -table[(u16)(-((T)(1 << N) / (T)360.0) * degree) & ((1 << N) - 1)].first;
         } 
-        return table[(u16)(((T)(1 << N) / 360.0) * degree) & ((1 << N) - 1)].first;
+        return table[(u16)(((T)(1 << N) / (T)360.0) * degree) & ((1 << N) - 1)].first;
     }
 
     inline T cosDegree(T degree) {
         if (degree < (T)0.0) {
             degree = -degree;
         } 
-        return table[(u16)(((T)(1 << N) / 360.0) * degree) & ((1 << N) - 1)].second;
+        return table[(u16)(((T)(1 << N) / (T)360.0) * degree) & ((1 << N) - 1)].second;
     }
 
     inline T sinRadian(T radian) {
diff --git a/include/JSystem/JMath/JMath.h b/include/JSystem/JMath/JMath.h
index 3363fd94e1..51f5ce78e8 100644
--- a/include/JSystem/JMath/JMath.h
+++ b/include/JSystem/JMath/JMath.h
@@ -8,6 +8,10 @@ void JMAEulerToQuat(s16 param_0, s16 param_1, s16 param_2, Quaternion* param_3);
 void JMAQuatLerp(const Quaternion*, const Quaternion*, f32, Quaternion*);
 void JMAFastVECNormalize(register const Vec* src, register Vec* dst);   
 
+inline int JMAAbs(int value) {
+    return (value >> 0x1f ^ value) - (value >> 0x1f);
+}
+
 inline f32 JMAFastReciprocal(f32 value) {
     return __fres(value);
 }