diff --git a/Code.update.txt b/Code.update.txt
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+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[])
+{ FILE *fp, *fp1 ;
+  int i ;
+  unsigned char buf [256] ; 	      //this will hold contents of a page
+  unsigned short int Addresses[512] ; //these are the randomly generated logical 				      			//addresses 					//against which you will run your code 				     
+  unsigned short int Current ;	      //current logical address generated by "CPU"      
+ 
+  srand(9) ; // all get same addresses
+  
+  for(i = 0; i < 512 ; i++) 		//generate/print addresses. Print not necessary
+        {
+	  Addresses[i] = rand() % 65535 ;
+          printf("Address is %u \n", Addresses[i]) ;
+        }
+
+ //declare RAM and init to 0s
+  
+  unsigned char RAM [64][256] =  { [0 ... 63] = { [0 ... 255] = 0 } };
+
+ // initialize contents of page
+
+ for (i = 0 ; i < 256 ; i++)
+        buf[i] = (unsigned char) i ;
+
+ // fill in backing store ('disk'), implemented as a binary external file, with 256 pages
+
+ fp = fopen("Back.bin", "wb") ;
+  for (i = 0; i < 256 ; i++)
+        fwrite(buf,256, 1, fp) ;
+
+   fclose(fp) ;
+   fp = fopen("Back.bin", "rb") ;
+
+ // do your thing!!
+
+    for(i = 0 ; i < 512 ; i++)
+	{ Current = Addresses[I] ; //rest of program
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