diff --git a/include/2d.h b/include/2d.h
index 984a3de..b81ef97 100755
--- a/include/2d.h
+++ b/include/2d.h
@@ -8,8 +8,6 @@ typedef struct vertex2d{
 	u32 y;
 } vertex2d __attribute__ ((packed));
 
-void writepxl (u16 x, u16 y, u32 c);
-void line(u32 x1, u32 y1, u32 x2, u32 y2, u8 color);
 void linev(vertex2d *A, vertex2d *B, u8 color);
 void hline(u32 x1, u32 x2, u32 y, u8 color);
 void trianglefilled(vertex2d *A, vertex2d *B, vertex2d *C, u8 color);
diff --git a/include/asm.h b/include/asm.h
index bf52b39..859af31 100755
--- a/include/asm.h
+++ b/include/asm.h
@@ -122,6 +122,29 @@
 
 #define rdmsr(reg,low,high) asm volatile ("rdmsr" :: "=a" (low), "=d" (high) : "c" (reg) )
 
+#define movsb(src,dst,count) \
+	asm volatile ("cld;rep movsb"::"S" (src), "D" (dst), "c" (count));
+
+#define movsw(src,dst,count) \
+	asm volatile ("cld;rep movsw"::"S" (src), "D" (dst), "c" (count));
+
+#define movsd(src,dst,count) \
+	asm volatile ("cld;rep movsd"::"S" (src), "D" (dst), "c" (count));
+
+#define stosb(pattern,dst,count) \
+	asm volatile ("cld;rep stosb"::"c" (count), "D" (dst), "a" (pattern));
+
+#define stosw(pattern,dst,count) \
+	asm volatile ("cld;rep stosw"::"a" (pattern), "c" (count), "D" (dst));
+
+#define stosd(pattern,dst,count) \
+	asm volatile ("cld;rep stosd"::"a" (pattern), "c" (count), "D" (dst));
+
+#define rol(addr) \
+	asm volatile ("rolb %0":"=m" (addr):);
+
+#define ror(addr) \
+	asm volatile ("rorb %0":"=m" (addr):);
 /******************************************************************************/
 
 #define outb(port,value) \
diff --git a/include/vga.h b/include/vga.h
index a594e68..9aef4e7 100755
--- a/include/vga.h
+++ b/include/vga.h
@@ -7,24 +7,6 @@
 #define TEXTSCREEN 0xB8000	/* debut de la memoire video texte*/
 #define GRPHSCREEN 0xA0000	/* debut de la memoire video graphique*/
 
-#define movsb(src,dst,count) \
-	asm volatile ("cld;rep movsb"::"S" (src), "D" (dst), "c" (count));
-
-#define movsw(src,dst,count) \
-	asm volatile ("cld;rep movsw"::"S" (src), "D" (dst), "c" (count));
-
-#define movsd(src,dst,count) \
-	asm volatile ("cld;rep movsd"::"S" (src), "D" (dst), "c" (count));
-
-#define stosb(pattern,dst,count) \
-	asm volatile ("cld;rep stosb"::"c" (count), "D" (dst), "a" (pattern));
-
-#define stosw(pattern,dst,count) \
-	asm volatile ("cld;rep stosw"::"a" (pattern), "c" (count), "D" (dst));
-
-#define stosd(pattern,dst,count) \
-	asm volatile ("cld;rep stosd"::"a" (pattern), "c" (count), "D" (dst));
-
 
 /* Registres VGAs */
 
@@ -116,9 +98,9 @@ u8 VGA_setvideo_mode (u8 mode);
 u8 *VGA_getvideo_drivername (void);
 u8 *VGA_getvideo_capabilities (void);
 videoinfos *VGA_getvideo_info (void);
-u32 VGA_mem_to_video (void *src,u32 dst, u32 size, u8 realsize, bool increment_src);
-u32 VGA_video_to_mem (u32 src,void *dst, u32 size, u8 realsize);
-u32 VGA_video_to_video (u32 src,u32 dst, u32 size, u8 realsize);
+u32 VGA_mem_to_video (void *src,u32 dst, u32 size, bool increment_src);
+u32 VGA_video_to_mem (u32 src,void *dst, u32 size);
+u32 VGA_video_to_video (u32 src,u32 dst, u32 size);
 void VGA_wait_vretrace (void);
 void VGA_wait_hretrace (void);
 void VGA_page_set (u8 page);
diff --git a/include/video.h b/include/video.h
index 442f65b..dce1a7c 100755
--- a/include/video.h
+++ b/include/video.h
@@ -88,6 +88,8 @@ void scroll_disable(void);
 void showchar (u16 coordx, u16 coordy, u8 thechar, u8 attrib);
 u8 getchar (u16 coordx, u16 coordy);
 u8 getattrib (u16 coordx, u16 coordy);
+void writepxl (u16 x, u16 y, u32 color);
+void line(u32 x1, u32 y1, u32 x2, u32 y2, u8 color);
 
 /* Fonctions de console */
 void changevc(u8 vc);
@@ -124,9 +126,9 @@ u8 (*setvideo_mode) (u8 mode);
 u8 *(*getvideo_drivername) (void);
 u8 *(*getvideo_capabilities) (void);
 videoinfos *(*getvideo_info) (void);
-u32 (*mem_to_video) (void *src,u32 dst, u32 size, u8 realsize, bool increment_src);
-u32 (*video_to_mem) (u32 src,void *dst, u32 size, u8 realsize);
-u32 (*video_to_video) (u32 src,u32 dst, u32 size, u8 realsize);
+u32 (*mem_to_video) (void *src,u32 dst, u32 size, bool increment_src);
+u32 (*video_to_mem) (u32 src,void *dst, u32 size);
+u32 (*video_to_video) (u32 src,u32 dst, u32 size);
 void (*wait_vretrace) (void);
 void (*wait_hretrace) (void);
 void (*page_set) (u8 page);
diff --git a/lib/2d.c b/lib/2d.c
index 142b53e..c45745a 100755
--- a/lib/2d.c
+++ b/lib/2d.c
@@ -57,19 +57,6 @@ void line(u32 x1, u32 y1, u32 x2, u32 y2, u8 color)
 	}
 }
 
-/******************************************************************************/
-/* Affiche une ligne horizontale entre les points spécifiés */
-
-void hline(u32 x1, u32 x2, u32 y, u8 color)
-{
-	if (x2 > x1)
-		for (; x1 <= x2; x1++)
-			writepxl(x1, y, color);
-	else
-		for (; x2 <= x1; x2++)
-			writepxl(x2, y, color);
-}
-
 /******************************************************************************/
 /* Affiche un triangle rempli entre les points spécifiés */
 
@@ -152,9 +139,4 @@ void triangle(vertex2d * AA, vertex2d * BB, vertex2d * CC, u8 color)
 	line(CC->x, CC->y, AA->x, AA->y, color);
 }
 
-/******************************************************************************/
-/* Affiche un pixel à l'écran */
-void writepxl (u16 x, u16 y, u32 c)
-{
-}
 
diff --git a/lib/VGA/modes.c b/lib/VGA/modes.c
index 1040ff4..dadd5c3 100755
--- a/lib/VGA/modes.c
+++ b/lib/VGA/modes.c
@@ -22,7 +22,7 @@ static vgamode modes[] = {
 
 	/*80*25 16 couleurs mode 0x00 */
 	{{0x67},
-	 {0x03, 0x00, 0x03, 0x00, 0x06},
+	 {0x03, 0x00, 0x03, 0x00, 0x02},
 	 {0x5F, 0x4F, 0x50, 0x82, 0x55, 0x81, 0xBF, 0x1F, 0x00, 
 	 0x4F, 0x0D, 0x0E, 0x00, 0x00, 0x00, 0x00,
 	 0x9C, 0x0E, 0x8F, 0x28, 0x1F, 0x96, 0xB9, 0xA3, 0xFF},
diff --git a/lib/memory.c b/lib/memory.c
index d87f855..ee29fa7 100755
--- a/lib/memory.c
+++ b/lib/memory.c
@@ -36,11 +36,12 @@ void initpaging(void)
 
 void memset(void *dst, u8 val, u32 count, u32 size) 
 {
-u8 * temp;
-for (temp = (u8 *) dst; count != 0; count--) {	
-temp += size;	
-*temp = val;
-}
+    u8 *d = (u8 *) dst;
+    if (size>0) size--;
+    for (; count != 0; count--) {	
+        *(d++) = val;
+        d+=size;	
+    }
 }
 
 /*******************************************************************************/   
@@ -48,13 +49,13 @@ temp += size;
 
 void memcpy(void *src, void *dst, u32 count, u32 size)
 {
-char *s, *d;
-u32 i;
-s = (u8 *) src;
-d = (u8 *) dst;
-for (i = 0; i < count; i++) {	
-*(d + i * size) = *(s + i);
-}
+    u8 *s = (u8 *) src;
+    u8 *d = (u8 *) dst;
+    if (size>0) size--;
+    for (; count != 0; count--) {	
+        *(d++) = *(s++);
+        d+=size;
+    }
 }
 
 /*******************************************************************************/   
@@ -62,13 +63,14 @@ for (i = 0; i < count; i++) {
     
 u32 memcmp(void *src, void *dst, u32 count, u32 size) 
 {
-const u8 *mem1 = (const u8 *)src;
-const u8 *mem2 = (const u8 *)dst;
-for (; count != 0; count--) {
-if (*mem1 != *mem2)	
-return *mem1 - *mem2;
-mem1 += size;
-mem2 += size;
+    u8 *s = (u8 *) src;
+    u8 *d = (u8 *) dst;
+    if (size>0) size--;
+    for (; count != 0; count--) {
+        if (*(s++) != *(d++))	
+            return *d - *s;
+        s+= size;
+        d+= size;
 }
 }
  
diff --git a/lib/vga.c b/lib/vga.c
index e032758..14173b9 100755
--- a/lib/vga.c
+++ b/lib/vga.c
@@ -7,8 +7,6 @@
 #include "asm.h"
 #include "types.h"
 #include "VGA/modes.c"
-#include "VGA/8x8fnt.c"
-#include "VGA/8x16fnt.c"
 
 static videoinfos infos;
 
@@ -110,8 +108,6 @@ u8 VGA_setvideo_mode(u8 mode)
 		infos.pagesize = ((infos.currentheight * infos.currentpitch) << 3);
 	}
     else {
-		VGA_font_load(font8x8, 8, 1);
-		VGA_font_load(font8x16, 16, 0);
         infos.currentpitch= infos.currentwidth * 2;
         infos.pagesize=infos.currentheight * infos.currentpitch;
         realsize=0;
@@ -162,7 +158,7 @@ videoinfos *VGA_getvideo_info (void) {
 
 /*******************************************************************************/
 /* Effecture un mouvement de la mémoire centrale vers la mémoire video (linéarisée) */
-u32 VGA_mem_to_video (void *src,u32 dst, u32 size, u8 realsize, bool increment_src) {
+u32 VGA_mem_to_video (void *src,u32 dst, u32 size, bool increment_src) {
     u32 realdst=infos.baseaddress + infos.currentactivepage * infos.pagesize+dst;
     switch (realsize)
     {
@@ -170,11 +166,11 @@ u32 VGA_mem_to_video (void *src,u32 dst, u32 size, u8 realsize, bool increment_s
           if (!increment_src)
           {
             u8 tmp=(u8) src;
-            stosb(tmp,realdst,size); 
+            memset(realdst,tmp,size,2); 
           }
           else
           {
-            
+            memcpy(src,realdst,size,2); 
           }
         break;
     case 1:
@@ -217,19 +213,44 @@ u32 VGA_mem_to_video (void *src,u32 dst, u32 size, u8 realsize, bool increment_s
 
 /*******************************************************************************/
 /* Effecture un mouvement de la mémoire video (linéarisée) vers la mémoire centrale*/
-u32 VGA_video_to_mem (u32 src,void *dst, u32 size, u8 realsize) {
+u32 VGA_video_to_mem (u32 src,void *dst, u32 size)
+{
+    u32 realsrc=infos.baseaddress + infos.currentactivepage * infos.pagesize+src;
+    switch (realsize)
+    {
+    case 0:
+        memcpy(realsrc,dst,size,2); 
+        break;
+    case 1:
+    
+        break;
+    case 2:
+    
+        break;
+    case 4:
 
+        break;
+    case 8:
+    
+        break;
+    case 9:
+    
+        break;
+    
+    }
+ 
 }
 
 /*******************************************************************************/
 /* Effecture un mouvement de la mémoire video (linéarisé) vers la mémoire vidéo (linéarisée) */
-u32 VGA_video_to_video (u32 src,u32 dst, u32 size, u8 realsize) 
+u32 VGA_video_to_video (u32 src,u32 dst, u32 size) 
 {
     u32 base=infos.baseaddress + infos.currentactivepage * infos.pagesize;
     u32 realsrc=base+src;
     u32 realdst=base+dst;
     switch (realsize)
     {
+    case 8:
     case 0:
           if (size%4 == 0) 
             {
@@ -242,7 +263,7 @@ u32 VGA_video_to_video (u32 src,u32 dst, u32 size, u8 realsize)
             else
             {
                 movsb(realsrc,realdst,size);        
-            } 
+            }   
         break;
     case 1:
     
@@ -252,8 +273,6 @@ u32 VGA_video_to_video (u32 src,u32 dst, u32 size, u8 realsize)
         break;
     case 4:
     
-        break;
-    case 8:
         break;
     case 9:
     
diff --git a/lib/video.c b/lib/video.c
index 80f9fa1..ba3b08f 100755
--- a/lib/video.c
+++ b/lib/video.c
@@ -2,22 +2,25 @@
 /* COS2000 - Compatible Operating System - LGPL v3 - Hordé Nicolas             */
 /*                                                                             */
 #include "vga.h"
+#include "asm.h"
 #include "video.h"
 #include "stdarg.h"
+#include "VGA/8x8fnt.c"
+#include "VGA/8x16fnt.c"
 
 static drivers registred[maxdrivers];
 
 static  videoinfos *vinfo;
 
 static  console vc[8] = {
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}	,
-	{0x00, 0, 0, 0, 0, 0, 0, 0, true}
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}	,
+	{0x07, 0, 0, 0, 0, 0, 0, 0, true}
 };
 
 static u8 usedvc = 0;
@@ -195,6 +198,10 @@ void changemode(u8 mode)
 {
     setvideo_mode(mode);
     vinfo=getvideo_info();
+    if (!vinfo->isgraphic) {		
+        font_load(font8x8, 8, 1);
+		font_load(font8x16, 16, 0);
+    }
 }
 
 /*******************************************************************************/
@@ -937,6 +944,7 @@ void apply_nextvideomode(void) {
 
 /*******************************************************************************/
 /* Initialise la video */
+
 void initvideo(void)
 {
     initdriver();
@@ -945,24 +953,29 @@ void initvideo(void)
     changemode(0x1);
 }
 
-/*******************************/
+/******************************************************************************/
+/* Rempli l'écran avec un attribut donné et des espaces vides */
+
 static u8 space=' ';
 
 void fill(u8 attrib) 
 {
-    mem_to_video(space   ,0,vinfo->pagesize, 0, false);
-    mem_to_video(attrib,1,vinfo->pagesize, 0, false);
+    mem_to_video(space ,0,vinfo->pagesize>>1, false);
+    mem_to_video(attrib,1,vinfo->pagesize>>1, false);
 }
 
+/******************************************************************************/
+/* Défile l'écran de N ligne si le scrolling est activé */
+
 void scroll (u8 lines, u8 attrib) 
 {
     if (vc[usedvc].scroll) {
         if (!vinfo->isgraphic)
         {
             u32 gain=vinfo->currentpitch*lines;
-            video_to_video(gain,0,vinfo->pagesize-gain, 0);
-            mem_to_video(space   ,vinfo->pagesize-gain-2,gain, 0, false);
-            mem_to_video(attrib,vinfo->pagesize-gain-1,gain, 0, false);
+            video_to_video(gain,0,vinfo->pagesize-gain);
+            mem_to_video(space ,vinfo->pagesize-gain-2,gain, false);
+            mem_to_video(attrib,vinfo->pagesize-gain-1,gain, false);
         }
     }
     else
@@ -971,32 +984,98 @@ void scroll (u8 lines, u8 attrib)
     }
 }
 
+/******************************************************************************/
+/* Active le scrolling */
+
 void scroll_enable(void) 
 {
     vc[usedvc].scroll=true;
 }
 
+/******************************************************************************/
+/* Désactive le scrolling */
+
 void scroll_disable(void) 
 {
     vc[usedvc].scroll=false;
 }
 
+/******************************************************************************/
+/* Affiche un caractère */
+
 void showchar(u16 coordx, u16 coordy, u8 thechar, u8 attrib) 
 {
     if (!vinfo->isgraphic)
     {
         u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
-        mem_to_video(thechar,addr  , 1, 0, false);
-        mem_to_video(attrib, addr+1, 1, 0, false);  
-    }  
+        mem_to_video(thechar,addr  , 1, false);
+        mem_to_video(attrib, addr+1, 1, false);  
+    }
+    else
+    {
+	    u8 x, y, pattern, set;
+	    for (y = 0; y < 8; y++) 
+        {
+		    pattern = font8x8[thechar<<3 + y];
+		    for (x = 0; x < 8; x++) {
+                rol(pattern);
+			    //set = ((pattern >> (7 - x)) & 0x1);
+			if (pattern & 0x1 == 0)
+				writepxl(coordx << 3 + x, coordy << 3 + y, ((attrib & 0xF0) >> 8) * set);
+			else
+				writepxl(coordx << 3 + x, coordy << 3 + y, (attrib & 0x0F) * set);
+            }
+		}
+	}
 }
 
+/******************************************************************************/
+/* Retourne le caractère du mode texte aux coordonnées spécifiées */
+
 u8 getchar (u16 coordx, u16 coordy) 
-{ 
-
+{
+    u8 thechar=0;
+    if (!vinfo->isgraphic)
+    {
+        u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
+        video_to_mem(addr,&thechar,1);
+    }
+    return thechar;
 }
 
+
+/******************************************************************************/
+/* Retourne l'attribut du mode texte aux coordonnées spécifiées */
+
 u8 getattrib (u16 coordx, u16 coordy) 
 {
-
+    u8 attrib=0;
+    if (!vinfo->isgraphic)
+    {
+        u32 addr=(coordx<<1)+vinfo->currentpitch*coordy;
+        video_to_mem(addr+1,&attrib,1);  
+    }
+    return attrib;
 }
+
+
+/******************************************************************************/
+/* Affiche une ligne horizontale entre les points spécifiés */
+
+void hline(u32 x1, u32 x2, u32 y, u8 color)
+{
+	if (x2 > x1)
+        mem_to_video(color,x1,x2-x1,false);
+    else
+        mem_to_video(color,x2,x2-x1,false);       
+}
+
+
+/******************************************************************************/
+/* Affiche un pixel à l'écran */
+void writepxl (u16 x, u16 y, u32 color)
+{
+        u32 addr=x+vinfo->currentheight*y;
+        mem_to_video(color,addr,1,false);
+}
+