Add prev and changecount members to the Watch object so that Ram Search can use them. They can have interesting applications in Ram Watch as well

BizHawk.MultiClient/tools/RamSearch.cs

@@ -249,6 +249,8 @@ namespace BizHawk.MultiClient
                 ListViewItem item = new ListViewItem(String.Format("{0:X}", searchList[x].address));
                 //TODO: if asigned.HeX, switch based on searchList.type
                 item.SubItems.Add(string.Format("{0:X2}", searchList[x].value));
+                item.SubItems.Add(string.Format("{0:X2}", searchList[x].value)); //TODO: implement prev
+                item.SubItems.Add(searchList[x].changecount.ToString());
                 SearchListView.Items.Add(item);
             }
             SetTotal();

BizHawk.MultiClient/tools/RamWatch.cs

@@ -24,6 +24,10 @@ namespace BizHawk.MultiClient
         //When Watch object has a changes member, display in watch list with a reset changes function
         //Ability to watch in different memory domains
 
+        //IDEAS:
+        //show a change count column?
+        //Take advantage of the prev member to show amount changes from prev in a column?
+
         int defaultWidth;     //For saving the default size of the dialog, so the user can restore if desired
         int defaultHeight;
         List<Watch> watchList = new List<Watch>();

BizHawk.MultiClient/tools/Watch.cs

@@ -21,6 +21,8 @@ namespace BizHawk.MultiClient
             signed = asigned.UNSIGNED;
             bigendian = true;
             notes = "";
+            changecount = 0;
+            prev = 0;
         }
         public Watch(int Address, int Value, atype Type, asigned Signed, bool BigEndian, string Notes)
         {
@@ -30,13 +32,18 @@ namespace BizHawk.MultiClient
             signed = Signed;
             bigendian = BigEndian;
             notes = Notes;
+            changecount = 0;
+            prev = 0;
         }
         public int address { get; set; }
         public int value { get; set; }         //Current value
+        public int prev { get; set; }
         public atype type { get; set; }        //Address type (byte, word, dword, etc
         public asigned signed { get; set; }    //Signed/Unsigned?
         public bool bigendian { get; set; }
         public string notes { get; set; }      //User notes
+        public int changecount { get; set; }
+        
 
         public bool SetTypeByChar(char c)     //b = byte, w = word, d = dword
         {