diff --git a/Asuro.iso b/Asuro.iso
index ab781191..147bd455 100644
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diff --git a/bin/kernel.bin b/bin/kernel.bin
index 9fd93488..b7356291 100755
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diff --git a/iso/boot/asuro.bin b/iso/boot/asuro.bin
index 9fd93488..b7356291 100755
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diff --git a/lib/console.ppu b/lib/console.ppu
index 74363dea..2a8f1bc1 100644
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diff --git a/lib/idt.ppu b/lib/idt.ppu
index d6fe9503..07ad4788 100644
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diff --git a/lib/irq.ppu b/lib/irq.ppu
index c6cca14d..fca17a82 100644
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diff --git a/lib/isr0.ppu b/lib/isr0.ppu
index e89e9ad6..2dde928f 100644
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diff --git a/lib/isr1.ppu b/lib/isr1.ppu
index a23058fd..732df46c 100644
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diff --git a/lib/isr10.ppu b/lib/isr10.ppu
index 9b5a1b88..0d3982f5 100644
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diff --git a/lib/isr11.ppu b/lib/isr11.ppu
index ca654e91..1282659b 100644
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diff --git a/lib/isr12.ppu b/lib/isr12.ppu
index ee81d54c..b6e34812 100644
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index b4369749..04c91d05 100644
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index d7947cb4..bdd9cd39 100644
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index ed43f454..03f68c7a 100644
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index 8e39a322..65e81bf7 100644
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index 36e621c5..f1d1a9b0 100644
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index 4439aa49..720459cf 100644
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diff --git a/lib/isr2.ppu b/lib/isr2.ppu
index 3f3b5ac8..3e5e13ea 100644
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diff --git a/lib/isr3.ppu b/lib/isr3.ppu
index a244486d..725c0378 100644
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diff --git a/lib/isr32.ppu b/lib/isr32.ppu
index 42ea1f01..f0aba139 100644
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diff --git a/lib/isr33.ppu b/lib/isr33.ppu
index 71d3b4d9..b4a524fa 100644
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diff --git a/lib/isr4.ppu b/lib/isr4.ppu
index 07921b8b..0a5d950f 100644
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diff --git a/lib/isr40.ppu b/lib/isr40.ppu
index c82b5acb..9537f1eb 100644
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diff --git a/lib/isr5.ppu b/lib/isr5.ppu
index 3e0386cb..6b1fa541 100644
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diff --git a/lib/isr6.ppu b/lib/isr6.ppu
index a75d23f0..72663fb6 100644
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index 083e423f..7a99a337 100644
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diff --git a/lib/isr8.ppu b/lib/isr8.ppu
index 2d948be8..05899f7d 100644
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diff --git a/lib/isr9.ppu b/lib/isr9.ppu
index 5978b178..1e6811ac 100644
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diff --git a/lib/kernel.ppu b/lib/kernel.ppu
index c14d3a6d..7638a71e 100644
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diff --git a/lib/keyboard.ppu b/lib/keyboard.ppu
index 5eaacf0e..100b457e 100644
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diff --git a/lib/libpconsole.a b/lib/libpconsole.a
index e5ef38d8..c4235bcc 100644
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diff --git a/lib/libpmultiboot.a b/lib/libpmultiboot.a
index b0894276..ffbf49cf 100644
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diff --git a/lib/libpsystem.a b/lib/libpsystem.a
index b686df07..629c1c92 100644
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diff --git a/lib/memorymanager.ppu b/lib/memorymanager.ppu
index f51fd2fb..8552070d 100644
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diff --git a/lib/paging.ppu b/lib/paging.ppu
index 97047017..74f2d03d 100644
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diff --git a/lib/util.ppu b/lib/util.ppu
index 4187a1c4..20e05682 100644
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diff --git a/src/kernel.pas b/src/kernel.pas
index ffc46138..5aee4dd9 100644
--- a/src/kernel.pas
+++ b/src/kernel.pas
@@ -54,6 +54,9 @@ begin
      memorymanager.init();
      scheduler.init();
 
+     pint:= puint32(0);
+     pint^:= 10;
+
      STI;
      isr32.hook(uint32(@bios_data_area.tick_update));
 
@@ -67,6 +70,12 @@ begin
 
      //drivers
      keyboard.init(keyboard_layout);
+     if PageDirectory[KERNEL_PAGE_NUMBER].Present then begin
+        console.writestringln('!');
+     end else begin
+        console.writestringln('?');  
+     end;
+     while true do begin end;
 
      asm
         MOV dds, CS
diff --git a/src/paging.pas b/src/paging.pas
index a8e7294e..6123859c 100644
--- a/src/paging.pas
+++ b/src/paging.pas
@@ -6,20 +6,32 @@ type
     PPageTableEntry = ^TPageTableEntry;
 
     TPageTableEntry = bitpacked record
-        Present, Writable, UserMode, WriteThrough,
-        NotCacheable, Accessed, Dirty, AttrIndex,
+        Present, 
+        Writable, 
+        UserMode, 
+        WriteThrough,
+        NotCacheable, 
+        Accessed, 
+        Dirty, 
+        AttrIndex,
         GlobalPage: Boolean;
-        Avail: UBit3;
-        FrameAddr: UBit20;
+        Available: UBit3;
+        FrameAddress: UBit20;
     end;
 
     PPageDirEntry = ^TPageDirEntry;
     TPageDirEntry = bitpacked record
-        Present, Writable, UserMode, WriteThrough,
-        NotCacheable, Accessed, Reserved, PageSize,
+        Present, 
+        Writable, 
+        UserMode, 
+        WriteThrough,
+        NotCacheable, 
+        Accessed, 
+        Reserved, 
+        PageSize,
         GlobalPage: Boolean;
-        Avail: UBit3;
-        TableAddr: UBit20;
+        Available: UBit3;
+        TableAddress: UBit20;
     end;
 
     TPageDirectory = Array[1..1024] of TPageDirEntry;
diff --git a/src/util.pas b/src/util.pas
index 7c625ab4..3f5d7351 100644
--- a/src/util.pas
+++ b/src/util.pas
@@ -32,7 +32,8 @@ function inl(port : uint16) : uint32;
 procedure memset(location : uint32; value : uint8; size : uint32);
 procedure psleep(t : uint16);
 
-procedure endptr(); external '__end' name '__end';
+var
+    endptr : uint32; external name '__end';
 
 implementation
 
@@ -174,7 +175,7 @@ var
     i   : uint32;
 
 begin
-    for i:=0 to size do begin
+    for i:=0 to size-1 do begin
         loc:= puint8(location + i);
         loc^:= value;
     end;