TD3:I5 Implement PageProvide, untested for now

code/machine/machine.h

@@ -26,6 +26,10 @@
 #include "translate.h"
 #include "disk.h"
 
+#ifdef CHANGED
+#include "pageprovider.h"
+#endif
+
 // Definitions related to the size, and format of user memory
 
 #define PageSize 	SectorSize 	// set the page size equal to
@@ -201,7 +205,9 @@ class Machine:public dontcopythis {
 
     TranslationEntry *currentPageTable;
     unsigned int currentPageTableSize;
-
+    #ifdef CHANGED
+    PageProvider * pageProvider;
+    #endif // CHANGED
   private:
     bool singleStep;		// drop back into the debugger after each
 				// simulated instruction