diff --git a/desmume/src/GPU.cpp b/desmume/src/GPU.cpp
index a4c5e9919..c4107a376 100644
--- a/desmume/src/GPU.cpp
+++ b/desmume/src/GPU.cpp
@@ -312,6 +312,7 @@ void GPU_Reset(GPU *g, u8 l)
 	delete osd;
 	osd = new OSDCLASS(-1);
 	//DISP_FIFOclear(&g->disp_fifo);
+	memset(GPU_screen, 0, sizeof(GPU_screen));
 }
 
 void GPU_DeInit(GPU * gpu)
diff --git a/desmume/src/OGLRender.cpp b/desmume/src/OGLRender.cpp
index 19e0f6cf3..e698b689d 100644
--- a/desmume/src/OGLRender.cpp
+++ b/desmume/src/OGLRender.cpp
@@ -492,7 +492,9 @@ static void OGLReset()
 	//clear the framebuffers
 //	memset(GPU_screenStencil,0,sizeof(GPU_screenStencil));
 	memset(GPU_screen3D,0,sizeof(GPU_screen3D));
-
+	needRefreshFramebuffer = false;
+	memset(texMAP, 0, sizeof(texMAP)); 
+	textureMode=TEXMODE_NONE;
 }
 
 static char OGLInit(void)
diff --git a/desmume/src/gfx3d.cpp b/desmume/src/gfx3d.cpp
index df685bfdc..103470069 100644
--- a/desmume/src/gfx3d.cpp
+++ b/desmume/src/gfx3d.cpp
@@ -2001,13 +2001,13 @@ SFORMAT SF_GFX3D[]={
 	{ "GMTM", 4,16, mtxTemporal},
 	{ "GMCU", 4,64, mtxCurrent},
 	{ "GM0P", 4, 1, &mtxStack[0].position},
-	{ "GM1M", 4,16, mtxStack[0].matrix},
+	{ "GM1M", 4,16, &mtxStack[0].matrix},
 	{ "GM1P", 4, 1, &mtxStack[1].position},
-	{ "GM1M", 4,496,mtxStack[1].matrix},
+	{ "GM1M", 4,496,&mtxStack[1].matrix},
 	{ "GM2P", 4, 1, &mtxStack[2].position},
-	{ "GM2M", 4,496,mtxStack[2].matrix},
+	{ "GM2M", 4,496,&mtxStack[2].matrix},
 	{ "GM3P", 4, 1, &mtxStack[3].position},
-	{ "GM3M", 4,16, mtxStack[3].matrix},
+	{ "GM3M", 4,16, &mtxStack[3].matrix},
 	{ "ML4I", 1, 1, &ML4x4ind},
 	{ "ML3I", 1, 1, &ML4x3ind},
 	{ "MM4I", 1, 1, &MM4x4ind},