diff --git a/libctru/data/default_font.bin b/libctru/data/default_font.bin
new file mode 100644
index 0000000..73436fc
Binary files /dev/null and b/libctru/data/default_font.bin differ
diff --git a/libctru/include/3ds.h b/libctru/include/3ds.h
index beec914..d128d25 100644
--- a/libctru/include/3ds.h
+++ b/libctru/include/3ds.h
@@ -11,6 +11,7 @@ extern "C" {
 #include <3ds/linear.h>
 #include <3ds/os.h>
 #include <3ds/gfx.h>
+#include <3ds/console.h>
 
 #include <3ds/services/ac.h>
 #include <3ds/services/apt.h>
diff --git a/libctru/include/3ds/console.h b/libctru/include/3ds/console.h
new file mode 100644
index 0000000..f8bcde6
--- /dev/null
+++ b/libctru/include/3ds/console.h
@@ -0,0 +1,139 @@
+
+
+/*! \file console.h
+    \brief 3ds stdio support.
+
+<div class="fileHeader">
+Provides stdio integration for printing to the 3DS screen as well as debug print
+functionality provided by stderr.
+
+General usage is to initialize the console by:
+consoleDemoInit()
+or to customize the console usage by:
+consoleInit()
+
+*/
+
+#ifndef CONSOLE_H
+#define CONSOLE_H
+
+#include <3ds/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef bool(* ConsolePrint)(void* con, char c);
+
+//! a font struct for the console.
+typedef struct ConsoleFont
+{
+	u8* gfx;			//!< A pointer to the font graphics
+	u16 asciiOffset;	//!<  Offset to the first valid character in the font table
+	u16 numChars;		//!< Number of characters in the font graphics
+
+}ConsoleFont;
+
+/** \brief console structure used to store the state of a console render context.
+
+Default values from consoleGetDefault();
+<div class="fixedFont"><pre>
+PrintConsole defaultConsole =
+{
+	//Font:
+	{
+		(u8*)default_font_bin, //font gfx
+		0, //first ascii character in the set
+		128, //number of characters in the font set
+	},
+	0,0, //cursorX cursorY
+	0,0, //prevcursorX prevcursorY
+	40, //console width
+	30, //console height
+	0,  //window x
+	0,  //window y
+	32, //window width
+	24, //window height
+	3, //tab size
+	0, //font character offset
+	0,  //print callback
+	false //console initialized
+};
+</pre></div>
+*/
+typedef struct PrintConsole
+{
+	ConsoleFont font;	//!< font of the console.
+
+	u16 *frameBuffer;	//!< framebuffer address.
+
+	int cursorX;		/*!< Current X location of the cursor (as a tile offset by default) */
+	int cursorY;		/*!< Current Y location of the cursor (as a tile offset by default) */
+
+	int prevCursorX;	/*!< Internal state */
+	int prevCursorY;	/*!< Internal state */
+
+	int consoleWidth;	/*!< Width of the console hardware layer in characters */
+	int consoleHeight;	/*!< Height of the console hardware layer in characters  */
+
+	int windowX;		/*!< Window X location in characters (not implemented) */
+	int windowY;		/*!< Window Y location in characters (not implemented) */
+	int windowWidth;	/*!< Window width in characters (not implemented) */
+	int windowHeight;	/*!< Window height in characters (not implemented) */
+
+	int tabSize;		/*!< Size of a tab*/
+	int fg;				/*!< foreground color*/
+	int bg;				/*!< background color*/
+	int flags;			/*!< reverse/bright flags*/
+
+	ConsolePrint PrintChar;			/*!< callback for printing a character. Should return true if it has handled rendering the graphics
+									(else the print engine will attempt to render via tiles) */
+
+	bool consoleInitialised;	/*!< True if the console is initialized */
+}PrintConsole;
+
+#define CONSOLE_COLOR_BRIGHT	(1<<0)
+#define CONSOLE_COLOR_REVERSE	(1<<1)
+
+/*!	\brief Loads the font into the console
+	\param console pointer to the console to update, if NULL it will update the current console
+	\param font the font to load
+*/
+void consoleSetFont(PrintConsole* console, ConsoleFont* font);
+
+/*!	\brief Sets the print window
+	\param console console to set, if NULL it will set the current console window
+	\param x x location of the window
+	\param y y location of the window
+	\param width width of the window
+	\param height height of the window
+*/
+void consoleSetWindow(PrintConsole* console, int x, int y, int width, int height);
+
+/*!	\brief Gets a pointer to the console with the default values
+	this should only be used when using a single console or without changing the console that is returned, other wise use consoleInit()
+	\return A pointer to the console with the default values
+*/
+PrintConsole* consoleGetDefault(void);
+
+/*!	\brief Make the specified console the render target
+	\param console A pointer to the console struct (must have been initialized with consoleInit(PrintConsole* console)
+	\return a pointer to the previous console
+*/
+PrintConsole *consoleSelect(PrintConsole* console);
+
+/*!	\brief Initialise the console.
+	\param screen The screen to use for the console
+	\param console A pointer to the console data to initialze (if it's NULL, the default console will be used)
+	\return A pointer to the current console.
+*/
+PrintConsole* consoleInit(gfxScreen_t screen, PrintConsole* console);
+
+//! Clears the screan by using iprintf("\x1b[2J");
+void consoleClear(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/libctru/include/3ds/gfx.h b/libctru/include/3ds/gfx.h
index 1d426d0..7074953 100644
--- a/libctru/include/3ds/gfx.h
+++ b/libctru/include/3ds/gfx.h
@@ -2,6 +2,8 @@
 #include <3ds/types.h>
 #include <3ds/services/gsp.h>
 
+#define RGB565(r,g,b)  (((b)&0x1f)|(((g)&0x3f)<<5)|(((r)&0x1f)<<11))
+
 typedef enum
 {
 	GFX_TOP = 0,
diff --git a/libctru/include/3ds/svc.h b/libctru/include/3ds/svc.h
index ab0230c..271408f 100644
--- a/libctru/include/3ds/svc.h
+++ b/libctru/include/3ds/svc.h
@@ -16,10 +16,11 @@ typedef enum {
 } MemOp;
 
 typedef enum {
-	MEMPERM_READ   =1,
-	MEMPERM_WRITE  =2,
-	MEMPERM_EXECUTE=4,
-	MEMPERM_MAX    =0xFFFFFFFF //force 4-byte
+	MEMPERM_READ     = 1,
+	MEMPERM_WRITE    = 2,
+	MEMPERM_EXECUTE  = 4,
+	MEMPERM_DONTCARE = 0x10000000,
+	MEMPERM_MAX      = 0xFFFFFFFF //force 4-byte
 } MemPerm;
 
 typedef struct {
diff --git a/libctru/source/console.c b/libctru/source/console.c
new file mode 100644
index 0000000..087bce7
--- /dev/null
+++ b/libctru/source/console.c
@@ -0,0 +1,565 @@
+#include <stdio.h>
+#include <string.h>
+#include <sys/iosupport.h>
+#include <3ds/gfx.h>
+#include <3ds/console.h>
+
+#include "default_font_bin.h"
+
+//set up the palette for color printing
+static u16 colorTable[] = {
+	RGB565( 0, 0, 0),	// normal black
+	RGB565(17, 0, 0),	// normal red
+	RGB565( 0,34, 0),	// normal green
+	RGB565(17,34, 0),	// normal yellow
+	RGB565( 0, 0,17),	// normal blue
+	RGB565(17, 0,17),	// normal magenta
+	RGB565( 0,34,17),	// normal cyan
+	RGB565(17,34,17),	// normal white
+	RGB565( 0, 0, 0),	// bright black
+	RGB565(25, 0, 0),	// bright red
+	RGB565( 0,52, 0),	// bright green
+	RGB565(25,52, 0),	// bright yellow
+	RGB565( 4,18,31),	// bright blue
+	RGB565(25, 0,25),	// bright magenta
+	RGB565( 0,52,25),	// bright cyan
+	RGB565(28,57,28)	// bright white
+};
+
+PrintConsole defaultConsole =
+{
+	//Font:
+	{
+		(u8*)default_font_bin, //font gfx
+		0, //first ascii character in the set
+		128 //number of characters in the font set
+	},
+	(u16*)NULL,
+	0,0, 	//cursorX cursorY
+	0,0,	 //prevcursorX prevcursorY
+	40, 	//console width
+	30, 	//console height
+	0,  	//window x
+	0,  	//window y
+	40, 	//window width
+	30, 	//window height
+	3,		//tab size
+	7,		// foreground color
+	0,		// background color
+	CONSOLE_COLOR_BRIGHT,	// flags
+	0, 		//print callback
+	false	//console initialized
+};
+
+PrintConsole currentCopy;
+
+PrintConsole* currentConsole = &currentCopy;
+
+PrintConsole* consoleGetDefault(void){return &defaultConsole;}
+
+void consolePrintChar(char c);
+void consoleDrawChar(int c);
+
+//---------------------------------------------------------------------------------
+static void consoleCls(char mode) {
+//---------------------------------------------------------------------------------
+
+	int i = 0;
+	int colTemp,rowTemp;
+
+	switch (mode)
+	{
+	case '[':
+	case '0':
+		{
+			colTemp = currentConsole->cursorX ;
+			rowTemp = currentConsole->cursorY ;
+
+			while(i++ < ((currentConsole->windowHeight * currentConsole->windowWidth) - (rowTemp * currentConsole->consoleWidth + colTemp)))
+				consolePrintChar(' ');
+
+			currentConsole->cursorX  = colTemp;
+			currentConsole->cursorY  = rowTemp;
+			break;
+		}
+	case '1':
+		{
+			colTemp = currentConsole->cursorX ;
+			rowTemp = currentConsole->cursorY ;
+
+			currentConsole->cursorY  = 0;
+			currentConsole->cursorX  = 0;
+
+			while (i++ < (rowTemp * currentConsole->windowWidth + colTemp))
+				consolePrintChar(' ');
+
+			currentConsole->cursorX  = colTemp;
+			currentConsole->cursorY  = rowTemp;
+			break;
+		}
+	case '2':
+		{
+			currentConsole->cursorY  = 0;
+			currentConsole->cursorX  = 0;
+
+			while(i++ < currentConsole->windowHeight * currentConsole->windowWidth)
+				consolePrintChar(' ');
+
+			currentConsole->cursorY  = 0;
+			currentConsole->cursorX  = 0;
+			break;
+		}
+	}
+}
+//---------------------------------------------------------------------------------
+static void consoleClearLine(char mode) {
+//---------------------------------------------------------------------------------
+
+	int i = 0;
+	int colTemp;
+
+	switch (mode)
+	{
+	case '[':
+	case '0':
+		{
+			colTemp = currentConsole->cursorX ;
+
+			while(i++ < (currentConsole->windowWidth - colTemp)) {
+				consolePrintChar(' ');
+			}
+
+			currentConsole->cursorX  = colTemp;
+
+			break;
+		}
+	case '1':
+		{
+			colTemp = currentConsole->cursorX ;
+
+			currentConsole->cursorX  = 0;
+
+			while(i++ < ((currentConsole->windowWidth - colTemp)-2)) {
+				consolePrintChar(' ');
+			}
+
+			currentConsole->cursorX  = colTemp;
+
+			break;
+		}
+	case '2':
+		{
+			colTemp = currentConsole->cursorX ;
+
+			currentConsole->cursorX  = 0;
+
+			while(i++ < currentConsole->windowWidth) {
+				consolePrintChar(' ');
+			}
+
+			currentConsole->cursorX  = colTemp;
+
+			break;
+		}
+	default:
+		{
+			colTemp = currentConsole->cursorX ;
+
+			while(i++ < (currentConsole->windowWidth - colTemp)) {
+				consolePrintChar(' ');
+			}
+
+			currentConsole->cursorX  = colTemp;
+
+			break;
+		}
+	}
+}
+
+
+//---------------------------------------------------------------------------------
+ssize_t con_write(struct _reent *r,int fd,const char *ptr, size_t len) {
+//---------------------------------------------------------------------------------
+
+	char chr;
+
+	int i, count = 0;
+	char *tmp = (char*)ptr;
+
+	if(!tmp || len<=0) return -1;
+
+	i = 0;
+
+	while(i<len) {
+
+		chr = *(tmp++);
+		i++; count++;
+
+		if ( chr == 0x1b && *tmp == '[' ) {
+			bool escaping = true;
+			char *escapeseq	= tmp;
+			int escapelen = 0;
+
+			do {
+				chr = *(tmp++);
+				i++; count++; escapelen++;
+				int parameter, assigned, consumed;
+
+				switch (chr) {
+					//---------------------------------------
+					// Cursor directional movement
+					//---------------------------------------
+					case 'A':
+						assigned = sscanf(escapeseq,"[%dA", &parameter);
+						if (assigned==0) parameter = 1;
+						currentConsole->cursorY  =  (currentConsole->cursorY  - parameter) < 0 ? 0 : currentConsole->cursorY  - parameter;
+						escaping = false;
+						break;
+					case 'B':
+						sscanf(escapeseq,"[%dB", &parameter);
+						currentConsole->cursorY  =  (currentConsole->cursorY  + parameter) > currentConsole->windowHeight - 1 ? currentConsole->windowHeight - 1 : currentConsole->cursorY  + parameter;
+						escaping = false;
+						break;
+					case 'C':
+						sscanf(escapeseq,"[%dC", &parameter);
+						currentConsole->cursorX  =  (currentConsole->cursorX  + parameter) > currentConsole->windowWidth - 1 ? currentConsole->windowWidth - 1 : currentConsole->cursorX  + parameter;
+						escaping = false;
+						break;
+					case 'D':
+						sscanf(escapeseq,"[%dD", &parameter);
+						currentConsole->cursorX  =  (currentConsole->cursorX  - parameter) < 0 ? 0 : currentConsole->cursorX  - parameter;
+						escaping = false;
+						break;
+					//---------------------------------------
+					// Cursor position movement
+					//---------------------------------------
+					case 'H':
+					case 'f':
+						sscanf(escapeseq,"[%d;%df", &currentConsole->cursorY , &currentConsole->cursorX );
+						escaping = false;
+						break;
+					//---------------------------------------
+					// Screen clear
+					//---------------------------------------
+					case 'J':
+						consoleCls(escapeseq[escapelen-2]);
+						escaping = false;
+						break;
+					//---------------------------------------
+					// Line clear
+					//---------------------------------------
+					case 'K':
+						consoleClearLine(escapeseq[escapelen-2]);
+						escaping = false;
+						break;
+					//---------------------------------------
+					// Save cursor position
+					//---------------------------------------
+					case 's':
+						currentConsole->prevCursorX  = currentConsole->cursorX ;
+						currentConsole->prevCursorY  = currentConsole->cursorY ;
+						escaping = false;
+						break;
+					//---------------------------------------
+					// Load cursor position
+					//---------------------------------------
+					case 'u':
+						currentConsole->cursorX  = currentConsole->prevCursorX ;
+						currentConsole->cursorY  = currentConsole->prevCursorY ;
+						escaping = false;
+						break;
+					//---------------------------------------
+					// Color scan codes
+					//---------------------------------------
+					case 'm':
+						escapeseq++;
+						escapelen--;
+
+						if (escapelen == 1) {
+							escaping = false;
+							break;
+						}
+
+						do {
+							if (strchr(escapeseq,';')) {
+								sscanf(escapeseq,"%d;%n", &parameter, &consumed);
+							} else {
+								sscanf(escapeseq,"%dm%n", &parameter, &consumed);
+							}
+
+							escapeseq += consumed;
+							escapelen -= consumed;
+
+							if (parameter == 0 ) {
+								currentConsole->flags |= CONSOLE_COLOR_BRIGHT;
+								currentConsole->flags &= ~CONSOLE_COLOR_REVERSE;
+								currentConsole->bg = 0;
+								currentConsole->fg = 7;
+							} else if (parameter == 7) { // reverse video
+								currentConsole->flags |= CONSOLE_COLOR_REVERSE;
+							} else if (parameter == 2) { // half bright
+								currentConsole->flags &= ~CONSOLE_COLOR_BRIGHT;
+							} else if (parameter >= 30 && parameter <= 37) { // writing color
+								currentConsole->fg = parameter - 30;
+							} else if (parameter >= 40 && parameter <= 47) { // screen color
+								currentConsole->bg = parameter - 40;
+							}
+						} while (escapelen > 0);
+
+						escaping = false;
+						break;
+				}
+			} while (escaping);
+			continue;
+		}
+
+		consolePrintChar(chr);
+	}
+
+	return count;
+}
+
+static const devoptab_t dotab_stdout = {
+	"con",
+	0,
+	NULL,
+	NULL,
+	con_write,
+	NULL,
+	NULL,
+	NULL
+};
+
+static const devoptab_t dotab_null = {
+	"null",
+	0,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL
+};
+
+//---------------------------------------------------------------------------------
+PrintConsole* consoleInit(gfxScreen_t screen, PrintConsole* console) {
+//---------------------------------------------------------------------------------
+
+	static bool firstConsoleInit = true;
+
+	if(firstConsoleInit) {
+		devoptab_list[STD_OUT] = &dotab_stdout;
+		devoptab_list[STD_ERR] = &dotab_stdout;
+
+		setvbuf(stdout, NULL , _IONBF, 0);
+		setvbuf(stderr, NULL , _IONBF, 0);
+
+		firstConsoleInit = false;
+	}
+
+	if(console) {
+		currentConsole = console;
+	} else {
+		console = currentConsole;
+	}
+
+	*currentConsole = defaultConsole;
+
+	console->consoleInitialised = 1;
+
+	gfxSetScreenFormat(screen,GSP_RGB565_OES);
+	gfxSetDoubleBuffering(screen,false);
+	console->frameBuffer = (u16*)gfxGetFramebuffer(screen, GFX_LEFT, NULL, NULL);
+
+	if(screen==GFX_TOP) {
+		console->consoleWidth = 50;
+		console->windowWidth = 50;
+	}
+
+
+	consoleCls('2');
+
+	return currentConsole;
+
+}
+//---------------------------------------------------------------------------------
+PrintConsole *consoleSelect(PrintConsole* console){
+//---------------------------------------------------------------------------------
+	PrintConsole *tmp = currentConsole;
+	currentConsole = console;
+	return tmp;
+}
+
+//---------------------------------------------------------------------------------
+void consoleSetFont(PrintConsole* console, ConsoleFont* font){
+//---------------------------------------------------------------------------------
+
+	if(!console) console = currentConsole;
+
+	console->font = *font;
+
+}
+
+//---------------------------------------------------------------------------------
+static void newRow() {
+//---------------------------------------------------------------------------------
+
+
+	currentConsole->cursorY ++;
+
+
+	if(currentConsole->cursorY  >= currentConsole->windowHeight)  {
+		currentConsole->cursorY --;
+		u16 *dst = &currentConsole->frameBuffer[(currentConsole->windowX * 8 * 240) + (239 - (currentConsole->windowY * 8))];
+		u16 *src = dst - 8;
+
+		int i,j;
+
+		for (i=0; i<currentConsole->windowWidth*8; i++) {
+			u32 *from = (u32*)((int)src & ~3);
+			u32 *to = (u32*)((int)dst & ~3);
+			for (j=0;j<(((currentConsole->windowHeight-1)*8)/2);j++) *(to--) = *(from--);
+			dst += 240;
+			src += 240;
+		}
+
+		consoleClearLine('2');
+	}
+}
+//---------------------------------------------------------------------------------
+void consoleDrawChar(int c) {
+//---------------------------------------------------------------------------------
+	c -= currentConsole->font.asciiOffset;
+	if ( c < 0 || c > currentConsole->font.numChars ) return;
+
+	u8 *fontdata = currentConsole->font.gfx + (8 * c);
+
+	int writingColor = currentConsole->fg;
+	int screenColor = currentConsole->bg;
+
+	if (currentConsole->flags & CONSOLE_COLOR_BRIGHT) {
+		writingColor |= 8;
+		screenColor |=8;
+	}
+
+	if (currentConsole->flags & CONSOLE_COLOR_REVERSE) {
+		int tmp = writingColor;
+		writingColor = screenColor;
+		screenColor = tmp;
+	}
+
+	u16 bg = colorTable[screenColor];
+	u16 fg = colorTable[writingColor];
+
+	u8 b1 = *(fontdata++);
+	u8 b2 = *(fontdata++);
+	u8 b3 = *(fontdata++);
+	u8 b4 = *(fontdata++);
+	u8 b5 = *(fontdata++);
+	u8 b6 = *(fontdata++);
+	u8 b7 = *(fontdata++);
+	u8 b8 = *(fontdata++);
+
+	u8 mask = 0x80;
+
+
+	int i;
+
+	int x = (currentConsole->cursorX + currentConsole->windowX) * 8;
+	int y = ((currentConsole->cursorY + currentConsole->windowY) *8 );
+
+	u16 *screen = &currentConsole->frameBuffer[(x * 240) + (239 - (y + 7))];
+
+	for (i=0;i<8;i++) {
+		if (b8 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b7 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b6 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b5 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b4 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b3 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b2 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		if (b1 & mask) { *(screen++) = fg; }else{ *(screen++) = bg; }
+		mask >>= 1;
+		screen += 240 - 8;
+	}
+
+}
+
+//---------------------------------------------------------------------------------
+void consolePrintChar(char c) {
+//---------------------------------------------------------------------------------
+	if (c==0) return;
+
+	if(currentConsole->PrintChar)
+		if(currentConsole->PrintChar(currentConsole, c))
+			return;
+
+	if(currentConsole->cursorX  >= currentConsole->windowWidth) {
+		currentConsole->cursorX  = 0;
+
+		newRow();
+	}
+
+	switch(c) {
+		/*
+		The only special characters we will handle are tab (\t), carriage return (\r), line feed (\n)
+		and backspace (\b).
+		Carriage return & line feed will function the same: go to next line and put cursor at the beginning.
+		For everything else, use VT sequences.
+
+		Reason: VT sequences are more specific to the task of cursor placement.
+		The special escape sequences \b \f & \v are archaic and non-portable.
+		*/
+		case 8:
+			currentConsole->cursorX--;
+
+			if(currentConsole->cursorX < 0) {
+				if(currentConsole->cursorY > 0) {
+					currentConsole->cursorX = currentConsole->windowX - 1;
+					currentConsole->cursorY--;
+				} else {
+					currentConsole->cursorX = 0;
+				}
+			}
+
+			consoleDrawChar(' ');
+			break;
+
+		case 9:
+			currentConsole->cursorX  += currentConsole->tabSize - ((currentConsole->cursorX)%(currentConsole->tabSize));
+			break;
+		case 10:
+			newRow();
+		case 13:
+			currentConsole->cursorX  = 0;
+			break;
+		default:
+			consoleDrawChar(c);
+			++currentConsole->cursorX ;
+			break;
+	}
+}
+
+//---------------------------------------------------------------------------------
+void consoleClear(void) {
+//---------------------------------------------------------------------------------
+	iprintf("\x1b[2J");
+}
+
+//---------------------------------------------------------------------------------
+void consoleSetWindow(PrintConsole* console, int x, int y, int width, int height){
+//---------------------------------------------------------------------------------
+
+	if(!console) console = currentConsole;
+
+	console->windowWidth = width;
+	console->windowHeight = height;
+	console->windowX = x;
+	console->windowY = y;
+
+	console->cursorX = 0;
+	console->cursorY = 0;
+
+}
+
+
diff --git a/libctru/source/gfx.c b/libctru/source/gfx.c
index 129903e..578cc32 100644
--- a/libctru/source/gfx.c
+++ b/libctru/source/gfx.c
@@ -81,7 +81,7 @@ void gfxWriteFramebufferInfo(gfxScreen_t screen)
 	u8* framebufferInfoHeader=gfxSharedMemory+0x200+gfxThreadID*0x80;
 	if(screen==GFX_BOTTOM)framebufferInfoHeader+=0x40;
 	GSP_FramebufferInfo* framebufferInfo=(GSP_FramebufferInfo*)&framebufferInfoHeader[0x4];
-	framebufferInfoHeader[0x0]^=doubleBuf[0x0];
+	framebufferInfoHeader[0x0]^=doubleBuf[screen];
 	framebufferInfo[framebufferInfoHeader[0x0]]=(screen==GFX_TOP)?(topFramebufferInfo):(bottomFramebufferInfo);
 	framebufferInfoHeader[0x1]=1;
 }