diff --git a/src/base.cpp b/src/base.cpp
index f7776ad7..3c3ca08c 100644
--- a/src/base.cpp
+++ b/src/base.cpp
@@ -587,6 +587,7 @@ Matrix::makeRotation(Matrix *dst, const V3d *axis, float32 angle)
 	dst->pos.y = 0.0;
 	dst->pos.z = 0.0;
 	dst->flags = TYPEORTHONORMAL;
+	dst->pad1 = dst->pad2 = dst->pad3 = 0;
 }
 
 /* q must be normalized */
@@ -616,6 +617,7 @@ Matrix::makeRotation(Matrix *dst, const Quat &q)
 	dst->pos.y = 0.0;
 	dst->pos.z = 0.0;
 	dst->flags = TYPEORTHONORMAL;
+	dst->pad1 = dst->pad2 = dst->pad3 = 0;
 }
 
 float32
diff --git a/src/ps2/rwps2.h b/src/ps2/rwps2.h
index f749e724..d2945e90 100644
--- a/src/ps2/rwps2.h
+++ b/src/ps2/rwps2.h
@@ -15,8 +15,8 @@ extern Device renderdevice;
 struct Im2DVertex
 {
 	float32 x, y, z, w;
-	uint32  r, g, b, a;
 	float32 u, v, q, PAD;
+	uint32  r, g, b, a;
 
 	void setScreenX(float32 x) { this->x = x; }
 	void setScreenY(float32 y) { this->y = y; }
@@ -121,6 +121,7 @@ struct PipeAttribute
 	uint32 attrib;
 };
 
+extern bool adcHack;		// use MASK write to initialize ADC field in vertex cluster
 extern PipeAttribute attribXYZ;
 extern PipeAttribute attribXYZW;
 extern PipeAttribute attribUV;