diff --git a/build/sync.sh b/build/sync.sh
index 2491f1a6..cad1cbb9 100755
--- a/build/sync.sh
+++ b/build/sync.sh
@@ -74,6 +74,12 @@ else
 	sudo modprobe nbd
 	[ ! -d $TMPMOUNT ] && mkdir $TMPMOUNT
 	case $1 in
+		flush)
+			mount_vdisk
+			sudo blockdev --flushbufs /dev/nbd0
+			sudo dosfsck -w -r -l -v -t /dev/nbd0
+			umount_vdisk
+			;;
 		diff)
 			mount_vdisk
 			diff -x *.MAP --color=always -r ../src/ $TMPMOUNT/ | less -R -p "diff -x.*|Only in.*"
diff --git a/src/Demo/Graphics/32BitColor.ZC b/src/Demo/Graphics/32BitColor.ZC
index 7487cb2c..4c16fbcc 100755
--- a/src/Demo/Graphics/32BitColor.ZC
+++ b/src/Demo/Graphics/32BitColor.ZC
@@ -4,7 +4,7 @@
 
 I0 DrawPixel(I64 x, I64 y, CBGR24 color)
 {
-	text.fb_alias[x + y * GR_WIDTH] = color;
+	text.fb_alias[x + y * sys_framebuffer_width] = color;
 }
 
 I0 Color32Demo()
diff --git a/src/Demo/Graphics/32BitPaint.ZC b/src/Demo/Graphics/32BitPaint.ZC
index eaa2b86d..68b92d08 100755
--- a/src/Demo/Graphics/32BitPaint.ZC
+++ b/src/Demo/Graphics/32BitPaint.ZC
@@ -32,12 +32,12 @@ U0 PaintGlobalsInit()
 
 I0 DrawImagePixel(I64 x, I64 y, CBGR24 color)
 {
-	paint.fb[x + y * GR_WIDTH] = color;
+	paint.fb[x + y * sys_framebuffer_width] = color;
 }
 
 I0 DrawScreenPixel(I64 x, I64 y, CBGR24 color)
 {
-	text.fb_alias[x + y * GR_WIDTH] = color;
+	text.fb_alias[x + y * sys_framebuffer_width] = color;
 }
 
 I0 DrawScreenChar(I64 x, I64 y, I64 char)
@@ -136,7 +136,7 @@ U0 PaintLoadImage()
 
 U32 PaintImagePeek(I64 x, I64 y)
 {
-	return paint.fb[x + y * GR_WIDTH];
+	return paint.fb[x + y * sys_framebuffer_width];
 }
 
 I0 Paint32()
@@ -176,7 +176,7 @@ I0 Paint32()
 		// draw the image where the brush was last covering it
 		for (i = paint.last_x; i < paint.last_x + paint.last_thick; i++)
 			for (j = paint.last_y; j < paint.last_y + paint.last_thick; j++)
-				DrawScreenPixel(i, j, paint.fb[i + j * GR_WIDTH]);
+				DrawScreenPixel(i, j, paint.fb[i + j * sys_framebuffer_width]);
 
 		// draw the brush on the screen
 		DrawScreenBrush(mouse.pos.x, mouse.pos.y, paint.color, paint.thick);
@@ -193,7 +193,7 @@ I0 Paint32()
 		// draw the image where the color strings where covering it 
 		for (i = 0; i < 3 * FONT_HEIGHT; i++)
 			for (j = 0; j < 12 * FONT_WIDTH; j++)
-				DrawScreenPixel(j, i, paint.fb[j + i * GR_WIDTH]);
+				DrawScreenPixel(j, i, paint.fb[j + i * sys_framebuffer_width]);
 
 		// draw the color strings on screen
 		DrawScreenStr(0, 0 * FONT_HEIGHT, str_r);
diff --git a/src/Kernel/Display.ZC b/src/Kernel/Display.ZC
index ef89e85f..97ae3793 100755
--- a/src/Kernel/Display.ZC
+++ b/src/Kernel/Display.ZC
@@ -60,17 +60,17 @@ See also $LK,"GrUpdateScreen",A="MN:GrUpdateScreen"$().
 		{//Scroll screen down
 
 			MemCopy(text.fb_alias,
-					text.fb_alias		+ sys_framebuffer_width * FONT_HEIGHT,
-					(text.screen_size	- sys_framebuffer_width * FONT_HEIGHT) * sizeof(U32));
+					text.fb_alias		+ sys_framebuffer_pidth * FONT_HEIGHT,
+					(text.screen_size	- sys_framebuffer_pidth * FONT_HEIGHT) * sizeof(U32));
 
-			MemSetU32(text.fb_alias + text.screen_size - sys_framebuffer_width * FONT_HEIGHT, BLACK32, sys_framebuffer_width * FONT_HEIGHT);
+			MemSetU32(text.fb_alias + text.screen_size - sys_framebuffer_pidth * FONT_HEIGHT, BLACK32, sys_framebuffer_pidth * FONT_HEIGHT);
 			text.raw_col -= text.cols ;
 			row = text.rows - 1;
 		}
 		x = col * FONT_WIDTH;
 		y = row * FONT_HEIGHT;
 		ch_bitmap = text.font[ch & 0xFF];
-		framebuffer = text.fb_alias + sys_framebuffer_width * y + x;
+		framebuffer = text.fb_alias + sys_framebuffer_pidth * y + x;
 
 		PUSHFD
 		CLI
@@ -81,7 +81,7 @@ See also $LK,"GrUpdateScreen",A="MN:GrUpdateScreen"$().
 			else
 				*framebuffer++ = BLACK32;
 			if (i & (FONT_WIDTH - 1) == FONT_WIDTH - 1)
-				framebuffer += sys_framebuffer_width - FONT_WIDTH;
+				framebuffer += sys_framebuffer_pidth - FONT_WIDTH;
 			ch_bitmap >>= 1;
 		}
 		POPFD
diff --git a/src/Kernel/KGlobals.ZC b/src/Kernel/KGlobals.ZC
index f6b65671..028a5196 100755
--- a/src/Kernel/KGlobals.ZC
+++ b/src/Kernel/KGlobals.ZC
@@ -14,7 +14,7 @@ U8		*rev_bits_table; //Table with U8 bits reversed
 CDate	 local_time_offset;
 F64		*pow10_I64,
 		 sys_os_version = 2.03;
-U64		 sys_os_version_sub = 118;
+U64		 sys_os_version_sub = 119;
 U8		*sys_os_version_str;
 U8		*sys_os_version_full;
 U8		*sys_os_version_nice;
diff --git a/src/Kernel/KMain.ZC b/src/Kernel/KMain.ZC
index 069734b7..8b1df95d 100755
--- a/src/Kernel/KMain.ZC
+++ b/src/Kernel/KMain.ZC
@@ -91,7 +91,8 @@ U0 SysGrInit()
 	text.cols = sys_framebuffer_width  / FONT_WIDTH;
 	text.rows = sys_framebuffer_height / FONT_HEIGHT;
 
-	text.screen_size	= sys_framebuffer_width * sys_framebuffer_height;
+	sys_framebuffer_pidth = sys_framebuffer_pitch / (sys_framebuffer_bpp / 8);
+	text.screen_size	= sys_framebuffer_pidth * sys_framebuffer_height;
 	text.buffer_size	= text.screen_size * 4; //buffer for 32-bit, but only 16 colors now.
 	text.raw_screen		= CAlloc(text.buffer_size);
 	text.fb_alias		= sys_framebuffer_addr;
diff --git a/src/Kernel/KernelA.HH b/src/Kernel/KernelA.HH
index 94aa3200..d9d731b2 100755
--- a/src/Kernel/KernelA.HH
+++ b/src/Kernel/KernelA.HH
@@ -1272,7 +1272,7 @@ public class CDocBin
 #assert !($$ & 7)
 };
 
-#define DOC_SCROLL_SPEED	8
+#define DOC_SCROLL_SPEED	6
 
 #define DOCSS_NORMAL			0
 #define DOCSS_SINGLE_QUOTE		1
diff --git a/src/Kernel/KernelB.HH b/src/Kernel/KernelB.HH
index 9890ad90..7ccb0348 100755
--- a/src/Kernel/KernelB.HH
+++ b/src/Kernel/KernelB.HH
@@ -249,7 +249,7 @@ public _extern SYS_FRAMEBUFFER_WIDTH	U64	sys_framebuffer_width;
 public _extern SYS_FRAMEBUFFER_HEIGHT	U64	sys_framebuffer_height;
 public _extern SYS_FRAMEBUFFER_PITCH	U64	sys_framebuffer_pitch;
 public _extern SYS_FRAMEBUFFER_BPP		U8	sys_framebuffer_bpp;
-
+public									U64	sys_framebuffer_pidth;
 _extern SYS_FRAMEBUFFER_LIST CVideoInfo sys_framebuffer_list[VBE_MODES_NUM];
 
 #help_index "Processor/SMBIOS"
diff --git a/src/System/Gr/GrDC.ZC b/src/System/Gr/GrDC.ZC
index aa65bc61..e2f9b177 100755
--- a/src/System/Gr/GrDC.ZC
+++ b/src/System/Gr/GrDC.ZC
@@ -214,7 +214,8 @@ public CDC *DCNew(I64 width, I64 height, CTask *task=NULL, Bool null_bitmap=FALS
 	res->win_task		= task;
 	res->mem_task		= task;
 	res->width			= width;
-	res->width_internal	= (width + 7) & ~7;
+//	res->width_internal	= (width + 7) & ~7;
+	res->width_internal	= width & ~7;
 	res->height			= height;
 	if (null_bitmap)
 		res->flags |= DCF_DONT_DRAW;
diff --git a/src/System/Gr/GrGlobals.ZC b/src/System/Gr/GrGlobals.ZC
index ed308a54..0bf9e0d7 100755
--- a/src/System/Gr/GrGlobals.ZC
+++ b/src/System/Gr/GrGlobals.ZC
@@ -47,7 +47,7 @@ public CBGR24 gr_palette[COLORS_NUM];
 //See $LK,"SysGrInit",A="MN:SysGrInit"$()
 //Allows consts to be used instead of variables.
 HashPublic("GR_WIDTH", HTT_DEFINE_STR);;
-DefinePrint("GR_WIDTH", "%d", sys_framebuffer_width);
+DefinePrint("GR_WIDTH", "%d", sys_framebuffer_width & ~7);
 HashPublic("GR_HEIGHT", HTT_DEFINE_STR);;
 DefinePrint("GR_HEIGHT", "%d", sys_framebuffer_height);
 
@@ -56,3 +56,5 @@ DefinePrint("TEXT_ROWS", "%d", text.rows);;
 HashPublic("TEXT_ROWS", HTT_DEFINE_STR);;
 DefinePrint("TEXT_COLS", "%d", text.cols);;
 HashPublic("TEXT_COLS", HTT_DEFINE_STR);;
+
+sys_framebuffer_pidth = sys_framebuffer_pitch / (sys_framebuffer_bpp / 8);
\ No newline at end of file
diff --git a/src/System/Gr/GrScreen.ZC b/src/System/Gr/GrScreen.ZC
index 1c8e64e6..84335c33 100755
--- a/src/System/Gr/GrScreen.ZC
+++ b/src/System/Gr/GrScreen.ZC
@@ -142,8 +142,8 @@ public U0 GrScaleZoom(F64 scale)
 	mouse.offset.x = mouse.pos.x - (mouse.pos.x - mouse.offset.x) * s;
 	mouse.offset.y = mouse.pos.y - (mouse.pos.y - mouse.offset.y) * s;
 	mouse.offset.z = mouse.pos.z - (mouse.pos.z - mouse.offset.z) * s;
-	gr.sx = mouse.pos.x - gr.zoomed_dc->width  >> 1 / gr.screen_zoom;
-	gr.sy = mouse.pos.y - gr.zoomed_dc->height >> 1 / gr.screen_zoom;
+	gr.sx = mouse.pos.x - GR_WIDTH  >> 1 / gr.screen_zoom;
+	gr.sy = mouse.pos.y - GR_HEIGHT >> 1 / gr.screen_zoom;
 	GrFixZoomScale;
 }
 
@@ -154,7 +154,7 @@ U0 GrZoomInScreen()
 
 	GrFixZoomScale;
 
-	src = gr.dc2->body + gr.sx + gr.sy * gr.dc2->width_internal;
+	src = gr.dc2->body + gr.sx + gr.sy * GR_WIDTH;
 	dst = gr.zoomed_dc->body;
 
 	for (i = 0; i < GR_HEIGHT / gr.screen_zoom; i++)
@@ -359,42 +359,53 @@ U0 DCBlotColor8(CDC *dc, CDC *img)
 
 U0 GrCalcScreenUpdates()
 {
-	U16 *screen, *last_screen = gr.screen_cache;
-	U64 i, *src = text.raw_screen, *dst = text.fb_alias, diffs_size = GR_WIDTH * GR_HEIGHT / 2;
+	U8 *screen, reg RCX *last_screen = gr.screen_cache;
+	U32 *src = text.raw_screen, *dst = text.fb_alias;
+	U64 i, j, x, y, yi;
 
 	if (gr.screen_zoom == 1)
 		screen = gr.dc2->body;
 	else
 		screen = gr.zoomed_dc->body;
 
-	for (i = 0; i < diffs_size; i++)
+	for (y = yi = 0; y < GR_HEIGHT; yi = ++y * GR_WIDTH)
 	{
-		if (screen[i] != last_screen[i])
-			dst[i] = src[i];
+		for (x = 0; x < GR_WIDTH; x++)
+		{
+			i = x + yi;
+			j = x + y * sys_framebuffer_pidth;
+			if (screen[i] != last_screen[i])
+			{
+				dst = text.fb_alias + j;
+				src = text.raw_screen + j;
+				*dst = *src;
+			}
+		}
 	}
-	MemCopy(gr.screen_cache, screen, diffs_size * 2);
+	MemCopy(gr.screen_cache, screen, GR_WIDTH * GR_HEIGHT);
 }
 
 U0 GrUpdateScreen32()
 {
-	U64 size, *dst;
+	U64 x, y, j, i;
+	U32 *dst;
 	U8 *src;
 
 	if (gr.screen_zoom == 1)
-	{
 		src = gr.dc2->body;
-		size = src + gr.dc2->height * gr.dc2->width_internal;
-	}
 	else
 	{
 		GrZoomInScreen;
 		src = gr.zoomed_dc->body;
-		size = src + gr.zoomed_dc->height * gr.zoomed_dc->width_internal;
 	}
-	dst = text.raw_screen;
-	while (src < size) //draw 2 pixels at a time
-		*dst++ = gr_palette[*src++ & 0xFF] | gr_palette[*src++ & 0xFF] << 32;
-
+	for (y = j = i = 0; y < GR_HEIGHT; j = ++y * sys_framebuffer_pidth, i = y * GR_WIDTH)
+	{
+		for (x = 0; x < GR_WIDTH; x++)
+		{
+			dst = text.raw_screen + x + j;
+			*dst = gr_palette[src[x + i] & 0xFF];
+		}
+	}
 
 	GrCalcScreenUpdates;
 
@@ -420,6 +431,6 @@ U0 GrUpdateScreen()
 		(*gr.fp_final_screen_update)(dc);
 	DCDel(dc);
 
-	DCBlotColor4(gr.dc1->body, gr.dc2->body, gr.dc_cache->body, gr.dc2->height * gr.dc2->width_internal >> 3);
+	DCBlotColor4(gr.dc1->body, gr.dc2->body, gr.dc_cache->body, GR_HEIGHT * GR_WIDTH >> 3);
 	GrUpdateScreen32;
 }