diff --git a/desmume/src/MMU.c b/desmume/src/MMU.c
index 82aca655a..6030c9810 100644
--- a/desmume/src/MMU.c
+++ b/desmume/src/MMU.c
@@ -1853,189 +1853,86 @@ void FASTCALL MMU_write32(u32 proc, u32 adr, u32 val)
 	{
 		switch(adr)
 		{
-#ifdef RENDER3D
-			case 0x04000350 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glClearColor(val);
-				}
+
+			case cmd_3D_MTX_MODE        /* 0x04000440 */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_MODE(val);
 				return;
-			case 0x04000400 :
-				if(proc==ARMCPU_ARM9)
-				{
-					OGLRender::glCallList(val);
-				}
+			case cmd_3D_MTX_PUSH        /* 0x04000444 */ :
+			case cmd_3D_MTX_POP         /* 0x04000448 */ :
+			case cmd_3D_MTX_STORE       /* 0x0400044C */ :
+			case cmd_3D_MTX_RESTORE     /* 0x04000450 */ :
+				if (proc == ARMCPU_ARM9) gl_print_cmd(adr);
 				return;
-			case 0x04000440 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glMatrixMode(val);
-				}
+			case cmd_3D_MTX_IDENTITY    /* 0x04000454 */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_IDENTITY();
 				return;
-			case 0x04000444 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glPushMatrix();
-				}
+			case cmd_3D_MTX_LOAD_4x4    /* 0x04000458 */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_LOAD_4x4(val);
 				return;
-			case 0x04000448 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glPopMatrix(val);
-				}
+			case cmd_3D_MTX_LOAD_4x3    /* 0x0400045C */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_LOAD_4x3(val);
 				return;
-			case 0x0400044C : 
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glStoreMatrix(val);
-				}
+			case cmd_3D_MTX_MULT_4x4    /* 0x04000460 */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_MULT_4x4(val);
 				return;
-			case 0x04000450 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glRestore();
-				}
+			case cmd_3D_MTX_MULT_4x3    /* 0x04000464 */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_MULT_4x3(val);
 				return;
-			case 0x04000454 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glLoadIdentity();
-				}
+			case cmd_3D_MTX_MULT_3x3    /* 0x04000468 */ :
+				if (proc == ARMCPU_ARM9) gl_MTX_MULT_3x3(val);
 				return;
-			case 0x04000458 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::ML4x4ajouter(val);
-				}
+			case cmd_3D_MTX_SCALE       /* 0x0400046C */ :
+			case cmd_3D_MTX_TRANS       /* 0x04000470 */ :
+			case cmd_3D_COLOR           /* 0x04000480 */ :
+			case cmd_3D_NORMA           /* 0x04000484 */ :
+				if (proc == ARMCPU_ARM9) gl_print_cmd(adr);
 				return;
-			case 0x0400045C :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::ML4x3ajouter(val);
-				}
+			case cmd_3D_TEXCOORD        /* 0x04000488 */ :
+				if (proc == ARMCPU_ARM9) gl_TEXCOORD(val);
 				return;
-			case 0x04000460 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glMultMatrix4x4(val);
-				}
+			case cmd_3D_VTX_16          /* 0x0400048C */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_16(val);
 				return;
-			case 0x04000464 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glMultMatrix4x3(val);
-				}
+			case cmd_3D_VTX_10          /* 0x04000490 */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_10(val);
 				return;
-			case 0x04000468 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glMultMatrix3x3(val);
-				}
+			case cmd_3D_VTX_XY          /* 0x04000494 */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_XY(val);
 				return;
-			case 0x0400046C :
-				if(proc==ARMCPU_ARM9)
-				{
-					OGLRender::glScale(val);
-				}
+			case cmd_3D_VTX_XZ          /* 0x04000498 */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_XZ(val);
 				return;
-			case 0x04000470 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::addTrans(val);
-				}
+			case cmd_3D_VTX_YZ          /* 0x0400049C */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_YZ(val);
 				return;
-			case 0x04000480 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glColor3b(val);
-				}
-			return;
-			case 0x04000488 :
-				if(proc==ARMCPU_ARM9)
-			{
-				OGLRender::glTexCoord(val);
-				//execute = FALSE;
-			}
-			return;
-#endif
-			case 0x0400048C :
-				if(proc == ARMCPU_ARM9) {
-					//OGLRender::glVertex3(val);
-				}
+			case cmd_3D_VTX_DIFF        /* 0x040004A0 */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_DIFF(val);
 				return;
-			case 0x04000490 :
-				if(proc==ARMCPU_ARM9) {
-					//GPULOG("VERTEX 10 %d\r\n",val);
-					gl_VTX_10(val);
-				}
+			case cmd_3D_POLYGON_ATTR    /* 0x040004A4 */ :
+			case cmd_3D_TEXIMAGE_PARAM  /* 0x040004A8 */ :
+			case cmd_3D_PLTT_BASE       /* 0x040004AC */ :
+			case cmd_3D_DIF_AMB         /* 0x040004C0 */ :
+			case cmd_3D_SPE_EMI         /* 0x040004C4 */ :
+			case cmd_3D_LIGHT_VECTOR    /* 0x040004C8 */ :
+			case cmd_3D_LIGHT_COLOR     /* 0x040004CC */ :
+			case cmd_3D_SHININESS       /* 0x040004D0 */ :
+				if (proc == ARMCPU_ARM9) gl_print_cmd(adr);
 				return;
-			case 0x04000494 :
-				if(proc==ARMCPU_ARM9) {
-					//GPULOG(printf(txt, "VERTEXY %d\r\n",val);
-					gl_VTX_XY(val);
-				}
+			case cmd_3D_BEGIN_VTXS      /* 0x04000500 */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_begin(val);
 				return;
-			case 0x04000498 :
-				if(proc==ARMCPU_ARM9) {
-					//GPULOG("VERTEXZ %d\r\n",val);
-					gl_VTX_XZ(val);
-				}
+			case cmd_3D_END_VTXS        /* 0x04000504 */ :
+				if (proc == ARMCPU_ARM9) gl_VTX_end();
 				return;
-			case 0x0400049C :
-				if(proc==ARMCPU_ARM9) {
-					//GPULOG("VERTEYZ %d\r\n",val);
-					gl_VTX_YZ(val);
-				}
+			case cmd_3D_SWAP_BUFFERS    /* 0x04000540 */ :
+			case cmd_3D_VIEWPORT        /* 0x04000580 */ :
+			case cmd_3D_BOX_TEST        /* 0x040005C0 */ :
+			case cmd_3D_POS_TEST        /* 0x040005C4 */ :
+			case cmd_3D_VEC_TEST        /* 0x040005C8 */ :
+				if (proc == ARMCPU_ARM9) gl_print_cmd(adr);
 				return;
-			case 0x040004A0 :
-				if(proc==ARMCPU_ARM9) {
-					gl_VTX_DIFF(val);
-				}
-				return;
-#ifdef RENDER3D
-			case 0x040004A8 :
-				if(proc==ARMCPU_ARM9)
-			{
-				OGLRender::glTexImage2D(val, FALSE);
-				//execute = FALSE;
-				testval = val;
-			}
-			return;
-			case 0x040004AC :
-			T1WriteLong(MMU.MMU_MEM[proc][0x40], 0x4AC, val);
-			if(proc==ARMCPU_ARM9)
-				OGLRender::glTexImage2D(testval, TRUE);
-			//execute = FALSE;
-			return;
-#endif
-			case 0x04000500 :
-				if(proc == ARMCPU_ARM9)
-				{
-//					OGLRender::glBegin(val);
-					gl_VTX_begin(val);
-				}
-				return;
-			case 0x04000504 :
-				if(proc == ARMCPU_ARM9)
-				{
-//					OGLRender::glEnd();
-					gl_VTX_end();
-				}
-				return;
-#ifdef RENDER3D
-			case 0x04000540 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glFlush();
-				}
-				return;
-			case 0x04000580 :
-				if(proc == ARMCPU_ARM9)
-				{
-					OGLRender::glViewPort(val);
-				}
-				return;
-#endif
+
+
                         case REG_DISPA_BG2PA :
 				if (proc == ARMCPU_ARM9) GPU_setPAPB(MainScreen.gpu, 2, val);
 				return;
diff --git a/desmume/src/gl_vertex.c b/desmume/src/gl_vertex.c
index b32d1e8e9..06862bf69 100755
--- a/desmume/src/gl_vertex.c
+++ b/desmume/src/gl_vertex.c
@@ -62,9 +62,9 @@ Table shows Port Address, Command ID, Number of Parameters, and Clock Cycles.
   
 */
 
+#define print(a) printf a
+//#define print(a)
 
-//#define print(a) printf a
-#define print(a)
 
 int mtx_mode=0;
 
diff --git a/desmume/src/gl_vertex.h b/desmume/src/gl_vertex.h
index 19c3a1200..a3e42c89e 100755
--- a/desmume/src/gl_vertex.h
+++ b/desmume/src/gl_vertex.h
@@ -23,6 +23,7 @@
 
 #include <stdio.h>
 #include "types.h"
+#include "registers.h"
 
 #define MTX_MODE_PROJECTION 0
 #define MTX_MODE_POSITION   1
@@ -56,11 +57,14 @@ typedef union {
 	} bits;
 } _VTX_10 ;
 
-
+void gl_MTX_MODE (u32 val);
 void gl_MTX_IDENTITY ();
 void gl_MTX_LOAD_4x4 (u32 val);
 void gl_MTX_LOAD_4x3 (u32 val);
 void gl_MTX_LOAD_3x3 (u32 val);
+void gl_MTX_MULT_4x4 (u32 val);
+void gl_MTX_MULT_4x3 (u32 val);
+void gl_MTX_MULT_3x3 (u32 val);
 
 void gl_TEXCOORD(u32 val);
 
@@ -83,3 +87,70 @@ void gl_VTX_YZ (u32 yz);
 
 void gl_VTX_DIFF (u32 diff);
 //see 40004A0h - Cmd 28h - VTX_DIFF - Set Relative Vertex Coordinates (W)
+
+
+#define GL_CMD_NAME(n)	\
+	case n : printf("cmd " #n "\n"); break;
+
+INLINE static void gl_print_cmd(u32 adr) {
+	switch (adr) {
+		GL_CMD_NAME(eng_3D_RDLINES_COUNT   )
+		GL_CMD_NAME(eng_3D_EDGE_COLOR      )
+		GL_CMD_NAME(eng_3D_ALPHA_TEST_REF  )
+		GL_CMD_NAME(eng_3D_CLEAR_COLOR     )
+		GL_CMD_NAME(eng_3D_CLEAR_DEPTH     )
+		GL_CMD_NAME(eng_3D_CLRIMAGE_OFFSET )
+		GL_CMD_NAME(eng_3D_FOG_COLOR       )
+		GL_CMD_NAME(eng_3D_FOG_OFFSET      )
+		GL_CMD_NAME(eng_3D_FOG_TABLE       )
+		GL_CMD_NAME(eng_3D_TOON_TABLE      )
+		GL_CMD_NAME(eng_3D_GXFIFO          )
+		
+		GL_CMD_NAME(cmd_3D_MTX_MODE        )
+		GL_CMD_NAME(cmd_3D_MTX_PUSH        )
+		GL_CMD_NAME(cmd_3D_MTX_POP         )
+		GL_CMD_NAME(cmd_3D_MTX_STORE       )
+		GL_CMD_NAME(cmd_3D_MTX_RESTORE     )
+		GL_CMD_NAME(cmd_3D_MTX_IDENTITY    )
+		GL_CMD_NAME(cmd_3D_MTX_LOAD_4x4    )
+		GL_CMD_NAME(cmd_3D_MTX_LOAD_4x3    )
+		GL_CMD_NAME(cmd_3D_MTX_MULT_4x4    )
+		GL_CMD_NAME(cmd_3D_MTX_MULT_4x3    )
+		GL_CMD_NAME(cmd_3D_MTX_MULT_3x3    )
+		GL_CMD_NAME(cmd_3D_MTX_SCALE       )
+		GL_CMD_NAME(cmd_3D_MTX_TRANS       )
+		GL_CMD_NAME(cmd_3D_COLOR           )
+		GL_CMD_NAME(cmd_3D_NORMA           )
+		GL_CMD_NAME(cmd_3D_TEXCOORD        )
+		GL_CMD_NAME(cmd_3D_VTX_16          )
+		GL_CMD_NAME(cmd_3D_VTX_10          )
+		GL_CMD_NAME(cmd_3D_VTX_XY          )
+		GL_CMD_NAME(cmd_3D_VTX_XZ          )
+		GL_CMD_NAME(cmd_3D_VTX_YZ          )
+		GL_CMD_NAME(cmd_3D_VTX_DIFF        )
+		GL_CMD_NAME(cmd_3D_POLYGON_ATTR    )
+		GL_CMD_NAME(cmd_3D_TEXIMAGE_PARAM  )
+		GL_CMD_NAME(cmd_3D_PLTT_BASE       )
+		GL_CMD_NAME(cmd_3D_DIF_AMB         )
+		GL_CMD_NAME(cmd_3D_SPE_EMI         )
+		GL_CMD_NAME(cmd_3D_LIGHT_VECTOR    )
+		GL_CMD_NAME(cmd_3D_LIGHT_COLOR     )
+		GL_CMD_NAME(cmd_3D_SHININESS       )
+		GL_CMD_NAME(cmd_3D_BEGIN_VTXS      )
+		GL_CMD_NAME(cmd_3D_END_VTXS        )
+		GL_CMD_NAME(cmd_3D_SWAP_BUFFERS    )
+		GL_CMD_NAME(cmd_3D_VIEWPORT        )
+		GL_CMD_NAME(cmd_3D_BOX_TEST        )
+		GL_CMD_NAME(cmd_3D_POS_TEST        )
+		GL_CMD_NAME(cmd_3D_VEC_TEST        )
+		
+		GL_CMD_NAME(eng_3D_GXSTAT          )
+		GL_CMD_NAME(eng_3D_RAM_COUNT       )
+		GL_CMD_NAME(eng_3D_DISP_1DOT_DEPTH )
+		GL_CMD_NAME(eng_3D_POS_RESULT      )
+		GL_CMD_NAME(eng_3D_VEC_RESULT      )
+		GL_CMD_NAME(eng_3D_CLIPMTX_RESULT  )
+		GL_CMD_NAME(eng_3D_VECMTX_RESULT   )
+		default: break;
+	}
+}
diff --git a/desmume/src/registers.h b/desmume/src/registers.h
index f8242412a..812328877 100644
--- a/desmume/src/registers.h
+++ b/desmume/src/registers.h
@@ -249,6 +249,18 @@
 #define REG_DISPA_DISPMMEMFIFO                  0x04000068
 
 
+#define eng_3D_RDLINES_COUNT   0x04000320
+#define eng_3D_EDGE_COLOR      0x04000330
+#define eng_3D_ALPHA_TEST_REF  0x04000340
+#define eng_3D_CLEAR_COLOR     0x04000350
+#define eng_3D_CLEAR_DEPTH     0x04000354
+#define eng_3D_CLRIMAGE_OFFSET 0x04000356
+#define eng_3D_FOG_COLOR       0x04000358
+#define eng_3D_FOG_OFFSET      0x0400035C
+#define eng_3D_FOG_TABLE       0x04000360
+#define eng_3D_TOON_TABLE      0x04000380
+#define eng_3D_GXFIFO          0x04000400
+
 // 3d commands
 #define cmd_3D_MTX_MODE        0x04000440
 #define cmd_3D_MTX_PUSH        0x04000444
@@ -288,4 +300,13 @@
 #define cmd_3D_POS_TEST        0x040005C4
 #define cmd_3D_VEC_TEST        0x040005C8
 
+#define eng_3D_GXSTAT          0x04000600
+#define eng_3D_RAM_COUNT       0x04000604
+#define eng_3D_DISP_1DOT_DEPTH 0x04000610
+#define eng_3D_POS_RESULT      0x04000620
+#define eng_3D_VEC_RESULT      0x04000630
+#define eng_3D_CLIPMTX_RESULT  0x04000640
+#define eng_3D_VECMTX_RESULT   0x04000680
+  
+
 #endif