diff --git a/src/mame/includes/chihiro.h b/src/mame/includes/chihiro.h
index 49801466e9f..3f47f8833a2 100644
--- a/src/mame/includes/chihiro.h
+++ b/src/mame/includes/chihiro.h
@@ -707,7 +707,7 @@ public:
 		float modelview[4][4];
 		float modelview_inverse[4][4];
 		float projection[4][4];
-		float translate[4];
+		float traslate[4];
 		float scale[4];
 	} matrix;
 	struct {
diff --git a/src/mame/video/chihiro.cpp b/src/mame/video/chihiro.cpp
index b3ef942a1cb..21fe7d30ba1 100644
--- a/src/mame/video/chihiro.cpp
+++ b/src/mame/video/chihiro.cpp
@@ -2366,7 +2366,6 @@ void nv2a_renderer::convert_vertices_poly(vertex_nv *source, nv2avertex_t *desti
 	// should use either the vertex program or transformation matrices
 	if (vertex_pipeline == 4) {
 		// transformation matrices
-		// it is not implemented, so we pretend its always using screen coordinates
 		for (m = 0; m < count; m++) {
 			for (int i = 0; i < 4; i++) {
 				t[i] = 0;
@@ -2378,11 +2377,12 @@ void nv2a_renderer::convert_vertices_poly(vertex_nv *source, nv2avertex_t *desti
 				for (int j = 0; j < 4; j++)
 					v[i] += matrix.projection[i][j] * t[j];
 			};
-			/*for (int i = 0; i < 3; i++) {
+			/* it seems these are not needed ?
+			for (int i = 0; i < 3; i++) {
 			    v[i] *= matrix.scale[i];
 			}
 			for (int i = 0; i < 3; i++) {
-			    v[i] += matrix.translate[i];
+			    v[i] += matrix.traslate[i];
 			}*/
 			destination[m].w = v[3];
 			destination[m].x = (v[0] / v[3])*supersample_factor_x; // source[m].attribute[0].fv[0];
@@ -2400,6 +2400,7 @@ void nv2a_renderer::convert_vertices_poly(vertex_nv *source, nv2avertex_t *desti
 		// vertex program
 		// run vertex program
 		vertexprogram.exec.process(vertexprogram.start_instruction, source, vert, count);
+		// the output of the vertex program has the perspective divide, viewport scale and offset already applied
 		// copy data for poly.c
 		for (m = 0; m < count; m++) {
 			destination[m].w = vert[m].attribute[0].fv[3];
@@ -2680,6 +2681,15 @@ UINT32 nv2a_renderer::render_triangle_clipping(const rectangle &cliprect, render
 	vi[2] = &_v3;
 	for (int n=0;n < 3;n++)
 	{
+		// remove traslate
+		vi[n]->x = vi[n]->x - translatex;
+		vi[n]->y = vi[n]->y - translatey;
+		vi[n]->p[(int)VERTEX_PARAMETER::PARAM_Z] = vi[n]->p[(int)VERTEX_PARAMETER::PARAM_Z] - translatez;
+		// remove scale
+		vi[n]->x = vi[n]->x / scalex;
+		vi[n]->y = vi[n]->y / scaley;
+		vi[n]->p[(int)VERTEX_PARAMETER::PARAM_Z] = vi[n]->p[(int)VERTEX_PARAMETER::PARAM_Z] / scalez;
+		// remove perspective divide
 		vi[n]->x = vi[n]->x * vi[n]->w;
 		vi[n]->y = vi[n]->y * vi[n]->w;
 		vi[n]->p[(int)VERTEX_PARAMETER::PARAM_Z] = vi[n]->p[(int)VERTEX_PARAMETER::PARAM_Z] * vi[n]->w;
@@ -2715,16 +2725,26 @@ UINT32 nv2a_renderer::render_triangle_clipping(const rectangle &cliprect, render
 	}
 	for (int n = 0; n < idx; n++)
 	{
+		// apply perspective divide
 		vo[n].x = vo[n].x / vo[n].w;
 		vo[n].y = vo[n].y / vo[n].w;
 		vo[n].p[(int)VERTEX_PARAMETER::PARAM_Z] = vo[n].p[(int)VERTEX_PARAMETER::PARAM_Z] / vo[n].w;
+		// apply scale
+		vo[n].x = vo[n].x * scalex;
+		vo[n].y = vo[n].y * scaley;
+		vo[n].p[(int)VERTEX_PARAMETER::PARAM_Z] = vo[n].p[(int)VERTEX_PARAMETER::PARAM_Z] * scalez;
+		// apply traslate
+		vo[n].x = vo[n].x + translatex;
+		vo[n].y = vo[n].y + translatey;
+		vo[n].p[(int)VERTEX_PARAMETER::PARAM_Z] = vo[n].p[(int)VERTEX_PARAMETER::PARAM_Z] + translatez;
+	}
+	for (int n = 0; n < (idx-2); n++)
+	{
+		if ((n & 1) == 0)
+			render_triangle_culling(cliprect, callback, paramcount, vo[n], vo[n + 1], vo[n + 2]);
+		else
+			render_triangle_culling(cliprect, callback, paramcount, vo[n], vo[n + 2], vo[n + 1]);
 	}
-	if (idx > 2)
-		render_triangle_culling(cliprect, callback, paramcount, vo[0], vo[1], vo[2]);
-	if (idx > 3)
-		render_triangle_culling(cliprect, callback, paramcount, vo[0], vo[2], vo[3]);
-	if (idx > 4)
-		exit(0);
 #endif
 	return 0;
 }
@@ -2869,7 +2889,7 @@ int nv2a_renderer::geforce_exec_method(address_space & space, UINT32 chanel, UIN
 	data = space.read_dword(address);
 	channel[chanel][subchannel].object.method[method] = data;
 #ifdef LOG_NV2A
-	printf("A:%08X MTHD:%08X D:%08X\n\r",address,maddress,data);
+	//printf("A:%08X MTHD:%08X D:%08X\n\r",address,maddress,data);
 #endif
 	if (maddress == 0x17fc) {
 #if 0 // useful while debugging to see what coordinates have been used
@@ -3483,12 +3503,16 @@ int nv2a_renderer::geforce_exec_method(address_space & space, UINT32 chanel, UIN
 		*(UINT32 *)(&matrix.projection[maddress >> 2][maddress & 3]) = data;
 		countlen--;
 	}
-	// viewport translate
+	// viewport traslate
 	if ((maddress >= 0x0a20) && (maddress < 0x0a30)) {
 		maddress = (maddress - 0x0a20) / 4;
-		*(UINT32 *)(&matrix.translate[maddress]) = data;
+		*(UINT32 *)(&matrix.traslate[maddress]) = data;
 		// set corresponding vertex shader constant too
 		vertexprogram.exec.c_constant[59].iv[maddress] = data; // constant -37
+#ifdef LOG_NV2A
+		if (maddress == 3)
+			machine().logerror("viewport traslate = {%f %f %f %f}\n", matrix.traslate[0], matrix.traslate[1], matrix.traslate[2], matrix.traslate[3]);
+#endif
 		countlen--;
 	}
 	// viewport scale
@@ -3497,6 +3521,10 @@ int nv2a_renderer::geforce_exec_method(address_space & space, UINT32 chanel, UIN
 		*(UINT32 *)(&matrix.scale[maddress]) = data;
 		// set corresponding vertex shader constant too
 		vertexprogram.exec.c_constant[58].iv[maddress] = data; // constant -38
+#ifdef LOG_NV2A
+		if (maddress == 3)
+			machine().logerror("viewport scale = {%f %f %f %f}\n", matrix.scale[0], matrix.scale[1], matrix.scale[2], matrix.scale[3]);
+#endif
 		countlen--;
 	}
 	// Vertex program (shader)
@@ -3557,6 +3585,15 @@ int nv2a_renderer::geforce_exec_method(address_space & space, UINT32 chanel, UIN
 			machine().logerror("Need to increase size of vertexprogram.parameter to %d\n\r", vertexprogram.upload_parameter_index);
 		vertexprogram.upload_parameter_component++;
 		if (vertexprogram.upload_parameter_component >= 4) {
+#ifdef LOG_NV2A
+			if ((vertexprogram.upload_parameter_index == 58) || (vertexprogram.upload_parameter_index == 59))
+				machine().logerror("vp constant %d (%s) = {%f %f %f %f}\n", vertexprogram.upload_parameter_index,
+					vertexprogram.upload_parameter_index == 58 ? "viewport scale" : "viewport traslate",
+					vertexprogram.exec.c_constant[vertexprogram.upload_parameter_index].fv[0],
+					vertexprogram.exec.c_constant[vertexprogram.upload_parameter_index].fv[1],
+					vertexprogram.exec.c_constant[vertexprogram.upload_parameter_index].fv[2],
+					vertexprogram.exec.c_constant[vertexprogram.upload_parameter_index].fv[3]);
+#endif
 			vertexprogram.upload_parameter_component = 0;
 			vertexprogram.upload_parameter_index++;
 		}
@@ -4616,6 +4653,8 @@ WRITE32_MEMBER(nv2a_renderer::geforce_w)
 			dmaget = &channel[chanel][0].regs[0x44 / 4];
 			//printf("dmaget %08X dmaput %08X\n\r",*dmaget,*dmaput);
 			if (((*dmaput == 0x048cf000) && (*dmaget == 0x07f4d000)) || // only for outr2
+				((*dmaput == 0x045cd000) && (*dmaget == 0x07f4d000)) || // only for scg06nt
+				((*dmaput == 0x0494c000) && (*dmaget == 0x07f4d000)) || // only for wangmid
 				((*dmaput == 0x07dca000) && (*dmaget == 0x07f4d000))) // only for crtaxihr
 			{
 				*dmaget = *dmaput;