snes9x/jma/s9x-jma.cpp

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/*****************************************************************************\
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
This file is licensed under the Snes9x License.
For further information, consult the LICENSE file in the root directory.
\*****************************************************************************/
2010-09-25 15:46:12 +00:00
// JMA compressed file support
// (c) Copyright 2004-2006 NSRT Team (http://nsrt.edgeemu.com)
#include "snes9x.h"
#include "memmap.h"
#include <vector>
using namespace std;
#include "s9x-jma.h"
#include "jma.h"
size_t load_jma_file(const char *filename, unsigned char *buffer)
{
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 <= CMemory::MAX_ROM_SIZE+512) && (i->size > our_file_size))
{
our_file_name = i->name;
our_file_size = i->size;
}
}
if (!our_file_size)
{
return(0);
}
JMAFile.extract_file(our_file_name, buffer);
return(our_file_size);
}
catch (JMA::jma_errors jma_error)
{
return(0);
}
}