M src/platform/python/mgba/core.py → src/platform/python/mgba/core.py

@@ -258,6 +258,10 @@
     def addFrameCallback(self, cb):
         self._callbacks.videoFrameEnded.append(cb)
 
+    @property
+    def crc32(self):
+        return self._native.romCrc32
+
 class ICoreOwner(object):
     def claim(self):
         raise NotImplementedError

A src/platform/python/mgba/gamedata.py

@@ -0,0 +1,22 @@
+# Copyright (c) 2013-2017 Jeffrey Pfau
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+try:
+    import mgba_gamedata
+except ImportError:
+    pass
+
+def search(core):
+    crc32 = None
+    if hasattr(core, 'PLATFORM_GBA') and core.platform() == core.PLATFORM_GBA:
+        platform = 'GBA'
+        crc32 = core.crc32
+    if hasattr(core, 'PLATFORM_GB') and core.platform() == core.PLATFORM_GB:
+        platform = 'GB'
+        crc32 = core.crc32
+    cls = mgba_gamedata.registry.search(platform, {'crc32': crc32})
+    if not cls:
+        return None
+    return cls(core.memory.u8)