diff --git a/src/Kernel/KGlobals.ZC b/src/Kernel/KGlobals.ZC
index 34cacbe8..dc72054e 100755
--- a/src/Kernel/KGlobals.ZC
+++ b/src/Kernel/KGlobals.ZC
@@ -13,7 +13,7 @@ CTask	*sys_winmgr_task,
 U8		*rev_bits_table; //Table with U8 bits reversed
 CDate	 local_time_offset;
 F64		*pow10_I64,
-		 sys_os_version = 2.03;
+		 sys_os_version = 2.04;
 
 CAutoCompleteDictGlobals acd;
 CAutoCompleteGlobals	 ac;
diff --git a/src/Kernel/KStart16.ZC b/src/Kernel/KStart16.ZC
index 5729bd18..13fef09e 100755
--- a/src/Kernel/KStart16.ZC
+++ b/src/Kernel/KStart16.ZC
@@ -64,6 +64,8 @@ SYS_BOOT_STACK::	DU32	BOOT_RAM_LIMIT;
 
 SYS_IS_UEFI_BOOTED::    DU8    0;
 
+SYS_BOOTLOADER_ID::		DU8	BL_ZEAL;
+
 SYS_FRAMEBUFFER_LIST::	DU8	sizeof(CVideoInfo) * VBE_MODES_NUM	DUP(0);
 
 #assert $$ - SYS_KERNEL == sizeof(CKernel) - sizeof(CZXE)
diff --git a/src/Kernel/KernelA.HH b/src/Kernel/KernelA.HH
index 3bf2f6aa..2760f478 100755
--- a/src/Kernel/KernelA.HH
+++ b/src/Kernel/KernelA.HH
@@ -574,9 +574,14 @@ class CKernel
 	U64				sys_disk_uuid[2];
 	U32				sys_boot_stack;
 	Bool			sys_is_uefi_booted;
+	U8				sys_bootloader_id;
 	CVideoInfo		sys_framebuffer_list[VBE_MODES_NUM];
 };
 
+// Bootloader IDs
+#define BL_ZEAL		0
+#define BL_LIMINE	1
+
 //Run-Levels
 #define RLf_16BIT 					0
 #define RLf_VESA					1
diff --git a/src/Kernel/KernelB.HH b/src/Kernel/KernelB.HH
index 94865553..9890ad90 100755
--- a/src/Kernel/KernelB.HH
+++ b/src/Kernel/KernelB.HH
@@ -258,5 +258,6 @@ public _extern SYS_SMBIOS_ENTRY U8	*sys_smbios_entry;
 #help_index ""
 public _extern SYS_DISK_UUID  U64	sys_disk_uuid[2];
 public _extern SYS_IS_UEFI_BOOTED	Bool	sys_is_uefi_booted;
+public _extern SYS_BOOTLOADER_ID	U8		sys_bootloader_id;
 
 #help_index ""
diff --git a/src/System/Gr/GrDC.ZC b/src/System/Gr/GrDC.ZC
index aa65bc61..88bd5803 100755
--- a/src/System/Gr/GrDC.ZC
+++ b/src/System/Gr/GrDC.ZC
@@ -214,7 +214,9 @@ 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 / 8 * 8;
+//	res->width_internal	= width;
 	res->height			= height;
 	if (null_bitmap)
 		res->flags |= DCF_DONT_DRAW;
diff --git a/src/System/Gr/GrScreen.ZC b/src/System/Gr/GrScreen.ZC
index 1c8e64e6..8c9ed2d8 100755
--- a/src/System/Gr/GrScreen.ZC
+++ b/src/System/Gr/GrScreen.ZC
@@ -34,7 +34,7 @@ U0 GrUpdateTaskWin(CTask *task)
 			if (gr.fp_wall_paper)
 				(*gr.fp_wall_paper)(task);
 		}
-		else if (!(task->win_inhibit & WIF_SELF_DOC))
+		/*else*/ if (!(task->win_inhibit & WIF_SELF_DOC))
 			DocUpdateTaskDocs(task);
 		if (TaskValidate(task))
 		{
@@ -360,25 +360,45 @@ 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;
+	U64 i, j, *src = text.raw_screen, *dst = text.fb_alias, diffs_size = GR_WIDTH * GR_HEIGHT / 2;
+	U64 w, d;//, p;
+
+	w = GR_WIDTH;
+//	p = (GR_WIDTH + 7) & ~7;
+	d = GR_WIDTH / 8 * 8;
 
 	if (gr.screen_zoom == 1)
 		screen = gr.dc2->body;
 	else
 		screen = gr.zoomed_dc->body;
 
-	for (i = 0; i < diffs_size; i++)
+	for (i = j = 0; i < diffs_size; i++, j++)
 	{
+		if (j != 0 && j % (d/2) == 0 && d != w)
+		{
+			j += (w - d) / 2;
+		}
+//		if (screen[j] != last_screen[j])
 		if (screen[i] != last_screen[i])
-			dst[i] = src[i];
+//			dst[i] = src[i];
+			dst[j] = src[j];
+
 	}
 	MemCopy(gr.screen_cache, screen, diffs_size * 2);
 }
 
 U0 GrUpdateScreen32()
 {
-	U64 size, *dst;
+//	U64 size, *dst;
+	U64 size;
+	U32 *dst;
 	U8 *src;
+	U64 w, i, p, d;
+
+	w = GR_WIDTH;
+	i = 0;
+	p = (GR_WIDTH + 7) & ~7;
+	d = GR_WIDTH / 8 * 8;
 
 	if (gr.screen_zoom == 1)
 	{
@@ -392,8 +412,19 @@ U0 GrUpdateScreen32()
 		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;
+	while (src < size)
+	{
+		*dst++ = gr_palette[*src++ & 0xFF];
+		i++;
+
+		if (i == d && d != w)
+		{
+			i = w - d;
+			dst += i;
+			i = 0;
+		}
+
+	}
 
 
 	GrCalcScreenUpdates;
diff --git a/src/System/Utils/SysRep.ZC b/src/System/Utils/SysRep.ZC
index d6bf571e..5a15dbdd 100755
--- a/src/System/Utils/SysRep.ZC
+++ b/src/System/Utils/SysRep.ZC
@@ -1220,3 +1220,20 @@ public U0 BIOSRep()
 {//Wrapper around $LK,"SysRep",A="MN:SysRep"$() to only show BIOS info.
 	SysRep(SMBIOSt_BIOS);
 }
+
+/*
+U0 SMBIOSWallPaperInit()
+{
+	CSMBIOSSystemInfo	*sys_info = SMBIOSStructGet(SMBIOSt_SYSTEM);
+	U8					*company = SMBIOSStr(sys_info, sys_info->manufacturer);
+
+	if (!StrCompare(company, "VMware, Inc."))
+		wall->host_ch = 'W';
+	else if (!StrCompare(company, "innotek GmbH"))
+		wall->host_ch = 'V';
+	else if (!StrCompare(company, "QEMU"))
+		wall->host_ch = 'Q';
+	else
+		wall->host_ch = 'M';
+} SMBIOSWallPaperInit;
+*/
diff --git a/src/System/Utils/ZXERep.ZC b/src/System/Utils/ZXERep.ZC
index c9bc7b62..d6009698 100755
--- a/src/System/Utils/ZXERep.ZC
+++ b/src/System/Utils/ZXERep.ZC
@@ -33,6 +33,8 @@ public Bool ZXERep(U8 *filename)
 	CZXE		*zxe;
 	CHashExport	*saved_hash_ptr = NULL;
 
+	"%c", 20;
+
 	fbuf = ExtDefault(filename, "ZXE");
 
 	if (!(zxe = FileRead(fbuf, &size)))
@@ -60,6 +62,7 @@ public Bool ZXERep(U8 *filename)
 	ptr = zxe(U8 *) + zxe->patch_table_offset;
 	while (etype = *ptr++)
 	{
+		saved_hash_ptr = NULL;
 		i = *ptr(U32 *)++;
 		sptr = ptr;
 		ptr += StrLen(sptr) + 1;
@@ -71,6 +74,30 @@ public Bool ZXERep(U8 *filename)
 					saved_hash_ptr = HashFind(sptr, Fs->hash_table, HTG_ALL);
 				if (!saved_hash_ptr)
 					"Unresolved Reference:%s\n", sptr;
+				else
+					"%s", sptr;
+				break;
+
+			case IET_REL32_EXPORT:
+				"$$TR,\"ASM\"$$\n$$ID,2$$";
+				Un(i + zxe(U8 *) + sizeof(CZXE));
+				"\n$$ID,-2$$\n";
+				"ZXERep REL32_EXPORT";
+				break;
+			case IET_IMM32_EXPORT:
+				"ZXERep IMM32_EXPORT";
+				break;
+			case IET_REL64_EXPORT:
+				"ZXERep REL64_EXPORT";
+				break;
+			case IET_IMM64_EXPORT:
+				"ZXERep IMM64_EXPORT";
+				break;
+			case IET_MAIN:
+				"ZXERep IET_MAIN";
+				break;
+			case IET_END:
+				"ZXERep IET_END";
 				break;
 
 			case IET_ABS_ADDR:
@@ -92,6 +119,10 @@ public Bool ZXERep(U8 *filename)
 				for (j = 0; j < i; j++)
 					"%X ", *ptr(U32 *)++;
 				break;
+
+			default:
+				"ZXERep missing IET:%d", etype;
+				break;
 		}
 		'\n';
 	}
@@ -102,5 +133,7 @@ br_done2:
 br_done1:
 	Free(fbuf);
 
+	"%c", 20;
+
 	return res;
 }
diff --git a/src/System/WallPaper.ZC b/src/System/WallPaper.ZC
index 625cc7df..6e036ccc 100755
Binary files a/src/System/WallPaper.ZC and b/src/System/WallPaper.ZC differ
diff --git a/zealbooter/zealbooter.c b/zealbooter/zealbooter.c
index a8a081da..8d70a6d4 100644
--- a/zealbooter/zealbooter.c
+++ b/zealbooter/zealbooter.c
@@ -123,9 +123,13 @@ struct CKernel {
     uint64_t sys_disk_uuid[2];
 	uint32_t sys_boot_stack;
 	uint8_t sys_is_uefi_booted;
+    uint8_t sys_bootloader_id;
 	struct CVideoInfo sys_framebuffer_list[VBE_MODES_NUM];
 } __attribute__((packed));
 
+#define BL_ZEAL    0
+#define BL_LIMINE  1
+
 #define BOOT_SRC_RAM 2
 #define BOOT_SRC_HDD 3
 #define BOOT_SRC_DVD 4
@@ -349,6 +353,8 @@ void _start(void) {
         kernel->sys_is_uefi_booted = true;
     }
 
+    kernel->sys_bootloader_id = BL_LIMINE;
+
     memcpy(trampoline_phys, trampoline, trampoline_size);
     memcpy((void *)final_address, kernel, module_kernel->size);