J3D setup (#155)

* setup j3d classes

* remove asm

* fixes

* fix newDifferedDisplayList

include/dolphin/mtx/mtx.h

@@ -6,6 +6,9 @@
 #include "dolphin/types.h"
 
 typedef float Mtx[3][4];
+typedef float Mtx33[3][3];
+typedef float Mtx23[2][3];
+typedef f32 (*MtxP)[4];
 
 extern "C" {
 void PSMTXIdentity(Mtx matrix);

include/dolphin/mtx/vec.h

@@ -23,6 +23,16 @@ struct Vec {
     }
 };
 
+struct SVec {
+    s16 x, y, z;
+
+    void set(s16 oX, s16 oY, s16 oZ) {
+        x = oX;
+        y = oY;
+        z = oZ;
+    }
+};
+
 extern "C" {
 void PSVECAdd(const Vec* src_a, const Vec* src_b, Vec* dst);
 void PSVECSubtract(const Vec* a, const Vec* b, Vec* dst);