[CPU] MMIOHandler IsRangeWatched now returns true if the entire range is watched.

src/xenia/cpu/mmio_handler.cc

@@ -240,12 +240,20 @@ bool MMIOHandler::IsRangeWatched(uint32_t physical_address, size_t length) {
   for (auto it = access_watches_.begin(); it != access_watches_.end(); ++it) {
     auto entry = *it;
     if ((entry->address <= physical_address &&
-         entry->address + entry->length > physical_address) ||
+         entry->address + entry->length > physical_address + length)) {
-        (entry->address >= physical_address &&
+      // This range lies entirely within this watch.
-         entry->address < physical_address + length)) {
-      // This watch lies within the range.
       return true;
     }
+
+    // TODO(DrChat): Check if the range is partially covered, and subtract the
+    // covered portion if it is.
+    if ((entry->address <= physical_address &&
+         entry->address + entry->length > physical_address)) {
+      // The beginning of range lies partially within this watch.
+    } else if ((entry->address < physical_address + length &&
+                entry->address + entry->length > physical_address + length)) {
+      // The ending of this range lies partially within this watch.
+    }
   }
 
   return false;

src/xenia/cpu/mmio_handler.h

@@ -77,7 +77,7 @@ class MMIOHandler {
   // Fires and clears any access watches that overlap this range.
   void InvalidateRange(uint32_t physical_address, size_t length);
 
-  // Returns true if /any/ part of this range is watched.
+  // Returns true if /all/ of this range is watched.
   bool IsRangeWatched(uint32_t physical_address, size_t length);
 
  protected: