diff --git a/Asuro.iso b/Asuro.iso
index 8ecfd58a..ef715f42 100644
Binary files a/Asuro.iso and b/Asuro.iso differ
diff --git a/bin/kernel.bin b/bin/kernel.bin
index 7aac7a25..092ec00e 100755
Binary files a/bin/kernel.bin and b/bin/kernel.bin differ
diff --git a/iso/boot/asuro.bin b/iso/boot/asuro.bin
index 7aac7a25..092ec00e 100755
Binary files a/iso/boot/asuro.bin and b/iso/boot/asuro.bin differ
diff --git a/lib/idt.ppu b/lib/idt.ppu
index b10801da..b398cb01 100644
Binary files a/lib/idt.ppu and b/lib/idt.ppu differ
diff --git a/lib/isr0.ppu b/lib/isr0.ppu
index 3e777693..435da051 100644
Binary files a/lib/isr0.ppu and b/lib/isr0.ppu differ
diff --git a/lib/kernel.o b/lib/kernel.o
index 103c2b0f..8d778332 100644
Binary files a/lib/kernel.o and b/lib/kernel.o differ
diff --git a/lib/kernel.ppu b/lib/kernel.ppu
index 88f74236..f2ed9c8d 100644
Binary files a/lib/kernel.ppu and b/lib/kernel.ppu differ
diff --git a/lib/libpkernel.a b/lib/libpkernel.a
index 9632e6ad..47163047 100644
Binary files a/lib/libpkernel.a and b/lib/libpkernel.a differ
diff --git a/src/drivers/isr0.pas b/src/drivers/isr0.pas
index bde37ab3..d6c8cb58 100644
--- a/src/drivers/isr0.pas
+++ b/src/drivers/isr0.pas
@@ -41,6 +41,7 @@ end;
 
 procedure register();
 begin
+    memset(uint32(@Hooks[0]), 0, sizeof(pp_hook_method)*MAX_HOOKS);
     IDT.set_gate(0, uint32(@Main), $08, ISR_RING_0);
 end;
 
@@ -53,7 +54,10 @@ begin
         if uint32(Hooks[i]) = hook_method then exit;
     end;
     for i:=0 to MAX_HOOKS-1 do begin
-        if uint32(Hooks[i]) = 0 then Hooks[i]:= pp_hook_method(hook_method);
+        if uint32(Hooks[i]) = 0 then begin
+            Hooks[i]:= pp_hook_method(hook_method);
+            exit;
+        end;
     end;
 end;
 
diff --git a/src/idt.pas b/src/idt.pas
index 8cb21f20..207425ce 100644
--- a/src/idt.pas
+++ b/src/idt.pas
@@ -69,7 +69,7 @@ begin
     IDT_Pointer.limit:= (sizeof(TIDT_Entry) * 256) - 1;
     IDT_Pointer.base:= uint32(@IDT_Entries);
     console.writestringln('IDT: CLEAR.');
-    util.memset(uint32(@IDT_Entries), 0, sizeof(TIDT_Entry) * 256);
+    util.memset(uint32(@IDT_Entries[0]), 0, sizeof(TIDT_Entry) * 256);
     console.writestringln('IDT: LOAD.');
     load(uint32(@IDT_Pointer));
     console.writestringln('IDT: INIT END.');
diff --git a/src/kernel.pas b/src/kernel.pas
index c75776a1..1d02fbe0 100644
--- a/src/kernel.pas
+++ b/src/kernel.pas
@@ -9,6 +9,7 @@ uses
      idt,
      isr,
      irq,
+     isr0,
      console,
      bios_data_area,
      keyboard;
@@ -17,6 +18,11 @@ procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: uint32); stdcall;
  
 implementation
  
+procedure test(data : void);
+begin
+    console.writestringln('It works.');
+end;
+
 procedure kmain(mbinfo: Pmultiboot_info_t; mbmagic: uint32); stdcall; [public, alias: 'kmain'];   
 var
    c : uint8;
@@ -72,6 +78,10 @@ begin
      console.writeint(((mbinfo^.mem_upper + 1000) div 1024) +1);
      console.writestringln('MB');
      console.setdefaultattribute(console.combinecolors(lYellow, Black));
+
+     isr0.hook(uint32(@test));
+     asm INT 0 end;
+
      util.halt_and_dont_catch_fire;
 end;