diff --git a/doc/lab0.pdf b/labdocs/lab0.pdf
similarity index 100%
rename from doc/lab0.pdf
rename to labdocs/lab0.pdf
diff --git a/doc/lab1.pdf b/labdocs/lab1.pdf
similarity index 100%
rename from doc/lab1.pdf
rename to labdocs/lab1.pdf
diff --git a/doc/lab2.pdf b/labdocs/lab2.pdf
similarity index 100%
rename from doc/lab2.pdf
rename to labdocs/lab2.pdf
diff --git a/doc/lab3.pdf b/labdocs/lab3.pdf
similarity index 100%
rename from doc/lab3.pdf
rename to labdocs/lab3.pdf
diff --git a/doc/lab4.pdf b/labdocs/lab4.pdf
similarity index 100%
rename from doc/lab4.pdf
rename to labdocs/lab4.pdf
diff --git a/doc/lab5.pdf b/labdocs/lab5.pdf
similarity index 100%
rename from doc/lab5.pdf
rename to labdocs/lab5.pdf
diff --git a/doc/lab6.pdf b/labdocs/lab6.pdf
similarity index 100%
rename from doc/lab6.pdf
rename to labdocs/lab6.pdf
diff --git a/doc/lab7.pdf b/labdocs/lab7.pdf
similarity index 100%
rename from doc/lab7.pdf
rename to labdocs/lab7.pdf
diff --git a/doc/lab8.pdf b/labdocs/lab8.pdf
similarity index 100%
rename from doc/lab8.pdf
rename to labdocs/lab8.pdf
diff --git a/labdocs/reference.pdf b/labdocs/reference.pdf
new file mode 100644
index 0000000..1d865d2
Binary files /dev/null and b/labdocs/reference.pdf differ
diff --git a/related_info/lab0/lab0_ex1.c b/related_info/lab0/lab0_ex1.c
new file mode 100644
index 0000000..93a1180
--- /dev/null
+++ b/related_info/lab0/lab0_ex1.c
@@ -0,0 +1,14 @@
+int count=1;
+int value=1;
+int buf[10];
+void main()			
+{				
+   asm(	
+	"cld \n\t"
+        "rep \n\t"					     
+        "stosl"
+	:
+	: "c" (count), "a" (value) , "D" (buf[0])
+	:
+      );
+}