mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
synced 2024-12-24 18:21:50 +01:00
added USB storage support
This commit is contained in:
ekeeke31
parent
3b6375670a
commit
6a9974c865
@ -163,7 +163,7 @@ int UnZipDVD (unsigned char *outbuffer, u64 discoffset, int length)
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return 0;
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}
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int UnZipSDCARD (unsigned char *outbuffer, char *filename)
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int UnZipFAT (unsigned char *outbuffer, char *filename)
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{
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unzFile *fd = NULL;
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unz_file_info info;
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@ -10,6 +10,6 @@
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extern int IsZipFile (char *buffer);
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int UnZipDVD (unsigned char *outbuffer, u64 discoffset, int length);
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int UnZipSDCARD (unsigned char *outbuffer, char *filename);
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int UnZipFAT (unsigned char *outbuffer, char *filename);
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#endif
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@ -28,10 +28,10 @@ static int offset = 0;
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static int selection = 0;
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static int old_selection = 0;
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static int old_offset = 0;
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static char rootSDdir[256];
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static char rootFATdir[256];
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static u8 haveDVDdir = 0;
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static u8 haveSDdir = 0;
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static u8 UseSDCARD = 0;
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static u8 haveFATdir = 0;
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static u8 UseFAT = 0;
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static u8 UseHistory = 0;
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static int LoadFile (unsigned char *buffer);
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@ -88,11 +88,11 @@ static void ShowFiles (int offset, int selection)
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}
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/***************************************************************************
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* updateSDdirname
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* updateFATdirname
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*
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* Update ROOT directory while browsing SDCARD
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***************************************************************************/
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static int updateSDdirname()
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static int updateFATdirname()
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{
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int size=0;
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char *test;
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@ -105,7 +105,7 @@ static int updateSDdirname()
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else if (strcmp(filelist[selection].filename,"..") == 0)
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{
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/* determine last subdirectory namelength */
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sprintf(temp,"%s",rootSDdir);
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sprintf(temp,"%s",rootFATdir);
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test= strtok(temp,"/");
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while (test != NULL)
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{
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@ -114,33 +114,33 @@ static int updateSDdirname()
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}
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/* remove last subdirectory name */
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size = strlen(rootSDdir) - size;
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rootSDdir[size-1] = 0;
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size = strlen(rootFATdir) - size;
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rootFATdir[size-1] = 0;
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}
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else
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{
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sprintf(rootSDdir, "%s%s/",rootSDdir, filelist[selection].filename);
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sprintf(rootFATdir, "%s%s/",rootFATdir, filelist[selection].filename);
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}
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return 1;
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}
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/***************************************************************************
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* parseSDdirectory
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* parseFATdirectory
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*
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* List files into one SDCARD directory
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***************************************************************************/
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static int parseSDdirectory()
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static int parseFATdirectory()
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{
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int nbfiles = 0;
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char filename[MAXPATHLEN];
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struct stat filestat;
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/* open directory */
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DIR_ITER *dir = diropen (rootSDdir);
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DIR_ITER *dir = diropen (rootFATdir);
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if (dir == NULL)
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{
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sprintf(filename, "Error opening %s", rootSDdir);
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sprintf(filename, "Error opening %s", rootFATdir);
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WaitPrompt (filename);
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return 0;
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}
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@ -176,8 +176,8 @@ static int FileSelected()
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if(UseHistory)
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{
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/* Get the parent folder for the file. */
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strncpy(rootSDdir, history.entries[selection].filepath, MAXJOLIET-1);
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rootSDdir[MAXJOLIET-1] = '\0';
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strncpy(rootFATdir, history.entries[selection].filepath, MAXJOLIET-1);
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rootFATdir[MAXJOLIET-1] = '\0';
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/* Get the length of the file. This has to be done
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* before calling LoadFile(). */
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@ -192,7 +192,7 @@ static int FileSelected()
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}
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/* Add/move the file to the top of the history. */
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if (UseSDCARD) history_add_file(rootSDdir, filelist[selection].filename);
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if (UseFAT) history_add_file(rootFATdir, filelist[selection].filename);
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rootdir = filelist[selection].offset;
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rootdirlength = filelist[selection].length;
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@ -302,7 +302,7 @@ static int FileSelector ()
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if (p & PAD_BUTTON_B)
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{
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filelist[selection].filename_offset = 0;
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if (UseSDCARD)
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if (UseFAT)
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{
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if (strcmp(filelist[0].filename,"..") != 0) return 0;
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}
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@ -328,17 +328,17 @@ static int FileSelector ()
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{
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/* select item #1 */
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go_up = 0;
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selection = UseSDCARD ? 0 : 1;
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selection = UseFAT ? 0 : 1;
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}
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/*** This is directory ***/
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if (filelist[selection].flags)
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{
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/* SDCARD directory handler */
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if (UseSDCARD)
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if (UseFAT)
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{
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/* update current directory */
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if (updateSDdirname())
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if (updateFATdirname())
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{
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/* reinit selector (previous value is saved for one level) */
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if (selection == 0)
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@ -358,12 +358,12 @@ static int FileSelector ()
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}
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/* set new entry list */
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maxfiles = parseSDdirectory();
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maxfiles = parseFATdirectory();
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if (!maxfiles)
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{
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/* quit */
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WaitPrompt ("No files found !");
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haveSDdir = 0;
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haveFATdir = 0;
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return 0;
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}
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}
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@ -415,9 +415,7 @@ static int FileSelector ()
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****************************************************************************/
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int OpenDVD ()
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{
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int ret = 0;
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UseSDCARD = 0;
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UseFAT = 0;
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UseHistory = 0;
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if (!getpvd())
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@ -458,36 +456,41 @@ int OpenDVD ()
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if (haveDVDdir == 0)
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{
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/* don't mess with SD entries */
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haveSDdir = 0;
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haveFATdir = 0;
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/* reinit selector */
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rootdir = basedir;
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old_selection = selection = offset = old_offset = 0;
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}
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/* Parse root directory and get entries list */
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ShowAction("Reading Directory ...");
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if ((maxfiles = parseDVDdirectory ()))
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{
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ret = FileSelector ();
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/* Select an entry */
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haveDVDdir = 1;
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return FileSelector ();
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}
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else
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{
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/* no entries found */
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WaitPrompt ("no files found !");
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haveDVDdir = 0;
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return 0;
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}
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else ret = FileSelector ();
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return ret;
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}
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/****************************************************************************
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* OpenSD
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* OpenFAT
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*
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* Function to load a SDCARD directory and display to user.
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* Function to load a FAT directory and display to user.
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****************************************************************************/
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int OpenSD ()
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int OpenFAT (char *name)
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{
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int ret = 0;
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UseSDCARD = 1;
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UseFAT = 1;
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UseHistory = 0;
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if (haveSDdir == 0)
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if (haveFATdir == 0)
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{
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/* don't mess with DVD entries */
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haveDVDdir = 0;
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@ -496,33 +499,29 @@ int OpenSD ()
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old_selection = selection = offset = old_offset = 0;
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/* Reset SDCARD root directory */
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sprintf (rootSDdir, "/genplus/roms/");
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sprintf (rootFATdir, "%s/genplus/roms/", name);
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/* if directory doesn't exist, use root */
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DIR_ITER *dir = diropen(rootSDdir);
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if (dir == NULL) sprintf (rootSDdir, "fat:/");
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DIR_ITER *dir = diropen(rootFATdir);
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if (dir == NULL) sprintf (rootFATdir, "%s/", name);
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else dirclose(dir);
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}
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/* Parse root directory and get entries list */
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ShowAction("Reading Directory ...");
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if ((maxfiles = parseSDdirectory ()))
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if ((maxfiles = parseFATdirectory ()))
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{
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/* Select an entry */
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ret = FileSelector ();
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/* memorize last entries list, actual root directory and selection for next access */
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haveSDdir = 1;
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haveFATdir = 1;
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return FileSelector ();
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}
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else
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{
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/* no entries found */
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WaitPrompt ("no files found !");
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haveSDdir = 0;
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return 0;
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haveFATdir = 0;
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return -1;
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}
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return ret;
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}
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/****************************************************************************
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@ -534,11 +533,11 @@ int OpenHistory()
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{
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int i;
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UseSDCARD = 1;
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UseFAT = 1;
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UseHistory = 1;
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/* don't mess with other entries */
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haveSDdir = 0;
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haveFATdir = 0;
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haveDVDdir = 0;
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/* reinit selector */
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@ -598,23 +597,23 @@ static int LoadFile (unsigned char *buffer)
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if (rootdirlength == 0) return 0;
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/* SDCard access */
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if (UseSDCARD)
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if (UseFAT)
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{
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/* open file */
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sprintf(fname, "%s%s",rootSDdir,filelist[selection].filename);
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sprintf(fname, "%s%s",rootFATdir,filelist[selection].filename);
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sdfile = fopen(fname, "rb");
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if (sdfile == NULL)
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{
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WaitPrompt ("Unable to open file!");
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haveSDdir = 0;
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return 0;
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haveFATdir = 0;
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return -1;
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}
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}
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ShowAction ("Loading ... Wait");
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/* Read first data chunk */
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if (UseSDCARD)
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if (UseFAT)
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{
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fread(readbuffer, 1, 2048, sdfile);
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}
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@ -627,7 +626,7 @@ static int LoadFile (unsigned char *buffer)
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/* determine file type */
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if (!IsZipFile ((char *) readbuffer))
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{
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if (UseSDCARD)
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if (UseFAT)
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{
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/* go back to file start and read file */
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fseek(sdfile, 0, SEEK_SET);
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@ -662,7 +661,7 @@ static int LoadFile (unsigned char *buffer)
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else
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{
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/* unzip file */
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if (UseSDCARD) return UnZipSDCARD (buffer, fname);
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if (UseFAT) return UnZipFAT(buffer, fname);
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else return UnZipDVD (buffer, discoffset, rootdirlength);
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}
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@ -896,13 +896,24 @@ int loadmenu ()
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int prevmenu = menu;
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int ret;
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int quit = 0;
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int count = 3 + dvd_on;
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char item[4][25] = {
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#ifdef HW_RVL
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int count = 4 + dvd_on;
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char item[5][25] = {
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{"Load Recent"},
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{"Load from SDCARD"},
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{"Load from SD"},
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{"Load from USB"},
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{"Load from DVD"},
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{"Stop DVD Motor"}
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};
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#else
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int count = 3 + dvd_on;
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char item[4][25] = {
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{"Load Recent"},
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{"Load from SD"},
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{"Load from DVD"},
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{"Stop DVD Motor"}
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};
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#endif
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menu = load_menu;
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@ -912,22 +923,38 @@ int loadmenu ()
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ret = domenu (&item[0], count, 0);
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switch (ret)
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{
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case -1: /*** Button B ***/
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/*** Button B ***/
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case -1:
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quit = 1;
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break;
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case 0: /*** Load Recent ***/
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/*** Load Recent ***/
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case 0:
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load_menu = menu;
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if (OpenHistory()) return 1;
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break;
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case 1: /*** Load from SCDARD ***/
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/*** Load from SD ***/
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case 1:
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load_menu = menu;
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if (OpenSD()) return 1;
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if (OpenFAT("") > 0) return 1;
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break;
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#ifdef HW_RVL
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/*** Load from USB ***/
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case 2:
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load_menu = menu;
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if (OpenFAT("usb:") > 0) return 1;
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break;
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#endif
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/*** Load from DVD ***/
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#ifdef HW_RVL
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case 3:
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#else
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case 2:
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#endif
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load_menu = menu;
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if (OpenDVD())
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{
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dvd_on = 1;
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@ -935,10 +962,19 @@ int loadmenu ()
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}
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break;
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case 3: /*** Stop DVD Disc ***/
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/*** Stop DVD Disc ***/
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#ifdef HW_RVL
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case 4:
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#else
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case 3:
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#endif
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dvd_motor_off();
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dvd_on = 0;
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#ifdef HW_RVL
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count = 4 + dvd_on;
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#else
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count = 3 + dvd_on;
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#endif
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menu = load_menu;
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break;
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}
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@ -35,7 +35,7 @@ extern void set_region();
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extern int ManageSRAM(u8 direction, u8 device);
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extern int ManageState(u8 direction, u8 device);
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extern int OpenDVD();
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extern int OpenSD();
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extern int OpenFAT(char *name);
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extern int OpenHistory();
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extern void memfile_autosave();
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extern void memfile_autoload();
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