gistfile1.cpp

if(virtual_memory[index_to_access] == -1) {
		//not in ram
		//it's on the disk
		//call page fault handler
		int new_frame = page_fault_handler();
		//clear out old frame info
		if(ram[new_frame] != -1) {
			virtual_memory[ ram[new_frame] ] = -1;
		}
		//mark page table entry
		virtual_memory[index_to_access] = new_frame;
		//place page in new_frame index of main memory
		ram[new_frame] = index_to_access;
	} else {
		//it's in ram
		//update info for page replacement algorithms
	}