JMA Support.

zsnes/src/jma/zsnesjma.cpp

@@ -0,0 +1,64 @@
+/*
+Copyright (C) 2004 NSRT Team ( http://nsrt.edgeemu.com )
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <vector>
+using namespace std;
+
+#include "zsnesjma.h"
+#include "jma.h"
+
+extern unsigned char *romdata;
+extern unsigned int curromspace;
+extern unsigned int maxromspace;
+
+void load_jma_file(const char *filename)
+{
+  try
+  {
+    JMA::jma_open JMAFile(filename);
+    vector<JMA::jma_public_file_info> file_info = JMAFile.get_files_info();
+    
+    string our_file_name;
+    size_t our_file_size = 0;
+      
+    for (vector<JMA::jma_public_file_info>::iterator i = file_info.begin(); i != file_info.end(); i++)
+    {
+      //Check for valid ROM based on size
+      if ((i->size <= maxromspace+512) && (i->size > our_file_size))
+      {
+        our_file_name = i->name;
+        our_file_size = i->size;
+      }
+    }
+    
+    if (!our_file_size)
+    {
+      return;
+    }
+    
+    JMAFile.extract_file(our_file_name, romdata);
+      
+    curromspace = our_file_size;
+  }
+  catch (JMA::jma_errors jma_error)
+  {
+    //No need to do anything
+  }
+}
+