diff --git a/Config.cpp b/Config.cpp
index 8d05510c..36823dea 100644
--- a/Config.cpp
+++ b/Config.cpp
@@ -109,6 +109,13 @@ void Config_LoadConfig()
 		config.texture.textureBitDepth = 1;
 		config.enableHWLighting = FALSE;
 	}
+
+	// manually set frame bufer emulation options
+	config.frameBufferEmulation.copyToRDRAM = FALSE;
+	config.frameBufferEmulation.copyDepthToRDRAM = FALSE;
+	config.frameBufferEmulation.copyFromRDRAM = FALSE;
+	config.frameBufferEmulation.ignoreCFB = TRUE;
+	config.frameBufferEmulation.N64DepthCompare = FALSE;
 }
 
 void Config_SaveConfig()
diff --git a/Config.h b/Config.h
index 05d941ef..f62ea2d8 100644
--- a/Config.h
+++ b/Config.h
@@ -25,6 +25,11 @@ struct Config
 
 	struct {
 		u32 enable;
+		u32 copyToRDRAM;
+		u32 copyDepthToRDRAM;
+		u32 copyFromRDRAM;
+		u32 ignoreCFB;
+		u32 N64DepthCompare;
 	} frameBufferEmulation;
 
 	u32 enableFog;
diff --git a/Config_linux.cpp b/Config_linux.cpp
index 4c209ed7..7f98a8be 100644
--- a/Config_linux.cpp
+++ b/Config_linux.cpp
@@ -467,6 +467,13 @@ void Config_LoadConfig()
 	}
 
 	fclose( f );
+
+	// manually set frame bufer emulation options
+	config.frameBufferEmulation.copyToRDRAM = FALSE;
+	config.frameBufferEmulation.copyDepthToRDRAM = FALSE;
+	config.frameBufferEmulation.copyFromRDRAM = FALSE;
+	config.frameBufferEmulation.ignoreCFB = TRUE;
+	config.frameBufferEmulation.N64DepthCompare = FALSE;
 }
 
 void Config_DoConfig()
diff --git a/DepthBuffer.cpp b/DepthBuffer.cpp
index 7f93e430..666608a0 100644
--- a/DepthBuffer.cpp
+++ b/DepthBuffer.cpp
@@ -13,9 +13,7 @@ const GLuint ZlutImageUnit = 0;
 const GLuint TlutImageUnit = 1;
 const GLuint depthImageUnit = 2;
 
-bool g_bN64DepthCompare = false;
-
-	void DepthBuffer_Init()
+void DepthBuffer_Init()
 {
 	depthBuffer.current = NULL;
 	depthBuffer.top = NULL;
diff --git a/DepthBuffer.h b/DepthBuffer.h
index 0a1201fb..0de74eb7 100644
--- a/DepthBuffer.h
+++ b/DepthBuffer.h
@@ -26,8 +26,6 @@ extern const GLuint ZlutImageUnit;
 extern const GLuint TlutImageUnit;
 extern const GLuint depthImageUnit;
 
-extern bool g_bN64DepthCompare;
-
 void DepthBuffer_Init();
 void DepthBuffer_Destroy();
 void DepthBuffer_SetBuffer( u32 address );
diff --git a/FrameBuffer.cpp b/FrameBuffer.cpp
index 99c4cd41..d90a91d4 100644
--- a/FrameBuffer.cpp
+++ b/FrameBuffer.cpp
@@ -13,11 +13,6 @@
 #include "Config.h"
 #include "Debug.h"
 
-bool g_bCopyToRDRAM = false;
-bool g_bCopyFromRDRAM = false;
-bool g_bCopyDepthToRDRAM = false;
-bool g_bIgnoreCFB = true;
-
 #ifndef GLES2
 const GLint monohromeInternalformat = GL_R8;
 const GLenum monohromeformat = GL_RED;
@@ -279,7 +274,7 @@ void FrameBuffer_SaveBuffer( u32 address, u16 format, u16 size, u16 width, u16 h
 	FrameBuffer *current = frameBuffer.top;
 	if (current != NULL && gDP.colorImage.height > 1) {
 		current->endAddress = current->startAddress + (((current->width * gDP.colorImage.height) << current->size >> 1) - 1);
-		if (!g_bCopyToRDRAM && !current->cleared)
+		if (!config.frameBufferEmulation.copyToRDRAM && !current->cleared)
 			gDPFillRDRAM(current->startAddress, 0, 0, current->width, gDP.colorImage.height, current->width, current->size, frameBuffer.top->fillcolor);
 	}
 
diff --git a/FrameBuffer.h b/FrameBuffer.h
index a96b202c..26ac29f6 100644
--- a/FrameBuffer.h
+++ b/FrameBuffer.h
@@ -29,10 +29,6 @@ struct FrameBufferList
 };
 
 extern FrameBufferList frameBuffer;
-extern bool g_bCopyToRDRAM;
-extern bool g_bCopyDepthToRDRAM;
-extern bool g_bCopyFromRDRAM;
-extern bool g_bIgnoreCFB;
 
 void FrameBuffer_Init();
 void FrameBuffer_Destroy();
diff --git a/GLSLCombiner.cpp b/GLSLCombiner.cpp
index d01a8c28..28c56b94 100644
--- a/GLSLCombiner.cpp
+++ b/GLSLCombiner.cpp
@@ -410,7 +410,7 @@ GLSLCombiner::GLSLCombiner(Combiner *_color, Combiner *_alpha) {
 
 	strcat(fragment_shader, "  if (!alpha_test(gl_FragColor.a)) discard;	\n");
 	if (OGL.bImageTexture) {
-		if (g_bN64DepthCompare)
+		if (config.frameBufferEmulation.N64DepthCompare)
 			strcat(fragment_shader, "  if (!depth_compare()) discard; \n");
 		else
 			strcat(fragment_shader, "  depth_compare(); \n");
diff --git a/OpenGL.cpp b/OpenGL.cpp
index 59b27e7b..1999f563 100644
--- a/OpenGL.cpp
+++ b/OpenGL.cpp
@@ -192,7 +192,7 @@ void OGL_InitStates()
     glDepthMask( GL_FALSE );
     glEnable( GL_SCISSOR_TEST );
 
-	if (g_bN64DepthCompare) {
+	if (config.frameBufferEmulation.N64DepthCompare) {
 		glDisable( GL_DEPTH_TEST );
 		glDisable( GL_POLYGON_OFFSET_FILL );
 		glDepthFunc( GL_ALWAYS );
@@ -608,7 +608,7 @@ void OGL_UpdateStates()
 	else
 		Combiner_SetCombine(gDP.combine.mux);
 
-	if (!g_bN64DepthCompare && (gDP.changed & CHANGED_RENDERMODE) != 0) {
+	if (!config.frameBufferEmulation.N64DepthCompare && (gDP.changed & CHANGED_RENDERMODE) != 0) {
 		if (gDP.otherMode.depthCompare) {
 			glEnable( GL_DEPTH_TEST );
 			glDepthFunc( GL_LEQUAL );
diff --git a/RSP.cpp b/RSP.cpp
index 4b325756..79fc6a13 100644
--- a/RSP.cpp
+++ b/RSP.cpp
@@ -8,6 +8,7 @@
 #include "FrameBuffer.h"
 #include "DepthBuffer.h"
 #include "GBI.h"
+#include "Config.h"
 
 RSPInfo		RSP;
 
@@ -211,9 +212,9 @@ void RSP_ProcessDList()
 		GBI.cmd[RSP.cmd]( w0, w1 );
 	}
 
-	if (g_bCopyToRDRAM)
+	if (config.frameBufferEmulation.copyToRDRAM)
 		FrameBuffer_CopyToRDRAM( gDP.colorImage.address, false );
-	if (g_bCopyDepthToRDRAM)
+	if (config.frameBufferEmulation.copyDepthToRDRAM)
 		FrameBuffer_CopyDepthBuffer( gDP.colorImage.address );
 
 	RSP.busy = FALSE;
diff --git a/VI.cpp b/VI.cpp
index d6690cd3..3e85c080 100644
--- a/VI.cpp
+++ b/VI.cpp
@@ -57,7 +57,7 @@ void VI_UpdateScreen()
 		VI.vStart = VI.vEnd = 0;
 
 	if (config.frameBufferEmulation.enable) {
-		const bool bCFB = !g_bIgnoreCFB && (gSP.changed&CHANGED_CPU_FB_WRITE) == CHANGED_CPU_FB_WRITE;
+		const bool bCFB = !config.frameBufferEmulation.ignoreCFB && (gSP.changed&CHANGED_CPU_FB_WRITE) == CHANGED_CPU_FB_WRITE;
 		const bool bNeedUpdate = bCFB ? true : (*REG.VI_ORIGIN != VI.lastOrigin);// && gDP.colorImage.changed;
 
 		if (bNeedUpdate) {
@@ -69,9 +69,9 @@ void VI_UpdateScreen()
 				if (VI.height > 0 && size > G_IM_SIZ_8b)
 					FrameBuffer_SaveBuffer( *REG.VI_ORIGIN, G_IM_FMT_RGBA, size, *REG.VI_WIDTH, VI.height );
 			}
-			if ((((*REG.VI_STATUS)&3) > 0) && (g_bCopyFromRDRAM || bCFB)) {
+			if ((((*REG.VI_STATUS)&3) > 0) && (config.frameBufferEmulation.copyFromRDRAM || bCFB)) {
 				VI_UpdateSize();
-				FrameBuffer_CopyFromRDRAM( *REG.VI_ORIGIN, g_bCopyFromRDRAM && !bCFB );
+				FrameBuffer_CopyFromRDRAM( *REG.VI_ORIGIN, config.frameBufferEmulation.copyFromRDRAM && !bCFB );
 			}
 			FrameBuffer_RenderBuffer( *REG.VI_ORIGIN );