mirror of
https://github.com/dborth/snes9xgx.git
synced 2024-11-24 03:29:22 +01:00
fix GC DVD support
This commit is contained in:
dborth
parent
1a366b7a1f
commit
d253f9f590
@ -11,7 +11,6 @@
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <dvd.h>
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#include "menudraw.h"
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#include "snes9xGx.h"
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@ -20,6 +19,10 @@
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extern int offset;
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extern int selection;
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extern FILEENTRIES filelist[MAXFILES];
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extern int maxfiles;
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u64 dvddir = 0;
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u64 dvdrootdir = 0;
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int dvddirlength = 0;
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/** DVD I/O Address base **/
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volatile unsigned long *dvd = (volatile unsigned long *) 0xCC006000;
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@ -105,8 +108,6 @@ dvd_read (void *dst, unsigned int len, u64 offset)
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/** Minimal Primary Volume Descriptor **/
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#define PVDROOT 0x9c
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static int IsJoliet = 0;
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u64 rootdir = 0;
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int rootdirlength = 0;
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/**
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* Primary Volume Descriptor
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@ -120,7 +121,7 @@ getpvd ()
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int sector = 16;
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u32 rootdir32;
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rootdir = rootdirlength = 0;
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dvddir = dvddirlength = 0;
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IsJoliet = -1;
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/** Look for Joliet PVD first **/
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@ -131,16 +132,16 @@ getpvd ()
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if (memcmp (&dvdbuffer, "\2CD001\1", 8) == 0)
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{
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memcpy(&rootdir32, &dvdbuffer[PVDROOT + EXTENT], 4);
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rootdir = (u64)rootdir32;
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rootdir <<= 11;
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memcpy (&rootdirlength, &dvdbuffer[PVDROOT + FILE_LENGTH], 4);
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dvddir = (u64)rootdir32;
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dvddir <<= 11;
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dvdrootdir = dvddir;
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memcpy (&dvddirlength, &dvdbuffer[PVDROOT + FILE_LENGTH], 4);
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IsJoliet = 1;
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break;
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}
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}
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else
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return 0; /*** Can't read sector! ***/
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sector++;
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}
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@ -157,22 +158,41 @@ getpvd ()
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if (memcmp (&dvdbuffer, "\1CD001\1", 8) == 0)
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{
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memcpy (&rootdir32, &dvdbuffer[PVDROOT + EXTENT], 4);
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rootdir = (u64)rootdir32;
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rootdir <<= 11;
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memcpy (&rootdirlength, &dvdbuffer[PVDROOT + FILE_LENGTH], 4);
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dvddir = (u64)rootdir32;
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dvddir <<= 11;
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dvdrootdir = dvddir;
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memcpy (&dvddirlength, &dvdbuffer[PVDROOT + FILE_LENGTH], 4);
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IsJoliet = 0;
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break;
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}
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}
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else
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return 0; /*** Can't read sector! ***/
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sector++;
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}
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return (IsJoliet == 0);
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}
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/****************************************************************************
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* TestDVD()
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*
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* Tests if a ISO9660 DVD is inserted and available
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****************************************************************************/
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bool TestDVD()
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{
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// DVD not available on Wii - disable
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#ifdef HW_RVL
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return false;
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#endif
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if (!getpvd())
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{
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DVD_Mount();
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if (!getpvd())
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return false;
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}
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return (IsJoliet == 0);
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return true;
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}
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/**
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@ -222,7 +242,6 @@ getentry (int entrycount)
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strcpy (fname, filename);
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else
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{ /*** The more tortuous unicode joliet entries ***/
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for (j = 0; j < (*filenamelength >> 1); j++)
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{
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fname[j] = filename[j * 2 + 1];
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@ -237,14 +256,22 @@ getentry (int entrycount)
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fname[0] = filename[0];
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}
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if (strlen (fname) == 0)
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strcpy (fname, "ROOT");
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if (strlen (fname) == 0) // root entry
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{
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fname[0] = 0; // we'll skip it by setting the filename to 0 length
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}
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else
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{
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if (fname[0] == 1)
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strcpy (fname, "..");
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{
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if(dvddir == dvdrootdir) // at root already, don't show ..
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fname[0] = 0;
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else
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{ /*
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strcpy (fname, "..");
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}
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else
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{
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/*
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* Move *filenamelength to t,
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* Only to stop gcc warning for noobs :)
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*/
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@ -252,7 +279,6 @@ getentry (int entrycount)
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fname[t] = 0;
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}
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}
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/** Rockridge Check **/
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rr = strstr (fname, ";");
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if (rr != NULL)
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@ -262,35 +288,29 @@ getentry (int entrycount)
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fname[MAXDISPLAY] = 0;
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strcpy (filelist[entrycount].displayname, fname);
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memcpy (&offset32,
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&dvdbuffer[diroffset + EXTENT], 4);
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memcpy (&offset32, &dvdbuffer[diroffset + EXTENT], 4);
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filelist[entrycount].offset = (u64)offset32;
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memcpy (&filelist[entrycount].length,
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&dvdbuffer[diroffset + FILE_LENGTH], 4);
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memcpy (&filelist[entrycount].flags,
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&dvdbuffer[diroffset + FILE_FLAGS], 1);
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memcpy (&filelist[entrycount].length, &dvdbuffer[diroffset + FILE_LENGTH], 4);
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memcpy (&filelist[entrycount].flags, &dvdbuffer[diroffset + FILE_FLAGS], 1);
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filelist[entrycount].offset <<= 11;
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filelist[entrycount].flags = filelist[entrycount].flags & 2;
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/*** Prepare for next entry ***/
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diroffset += dvdbuffer[diroffset];
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return 1;
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}
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}
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return 0;
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}
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/**
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* parseDVDdirectory
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*
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* This function will parse the directory tree.
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* It relies on rootdir and rootdirlength being pre-populated by a call to
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* It relies on dvddir and dvddirlength being pre-populated by a call to
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* getpvd, a previous parse or a menu selection.
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*
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* The return value is number of files collected, or 0 on failure.
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@ -307,11 +327,11 @@ ParseDVDdirectory ()
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// initialize selection
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selection = offset = 0;
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pdoffset = rdoffset = rootdir;
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pdlength = rootdirlength;
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pdoffset = rdoffset = dvddir;
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pdlength = dvddirlength;
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filecount = 0;
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/*** Clear any existing values ***/
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// Clear any existing values
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memset (&filelist, 0, sizeof (FILEENTRIES) * MAXFILES);
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/*** Get as many files as possible ***/
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@ -324,7 +344,7 @@ ParseDVDdirectory ()
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while (getentry (filecount))
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{
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if (filecount < MAXFILES)
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if(strlen(filelist[filecount].filename) > 0 && filecount < MAXFILES)
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filecount++;
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}
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@ -332,14 +352,81 @@ ParseDVDdirectory ()
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pdoffset = rdoffset + len;
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}
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// Sort the file list
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qsort(filelist, filecount, sizeof(FILEENTRIES), FileSortCallback);
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return filecount;
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}
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/**
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* DirectorySearch
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*
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* Searches for the directory name specified within the current directory
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* Returns the index of the directory, or 0 if not found
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*/
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int DirectorySearch(char dir[512])
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{
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for (int i = 0; i < maxfiles; i++ )
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if (strcmp(filelist[i].filename, dir) == 0)
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return i;
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return 0;
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}
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/**
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* SwitchDVDFolder
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*
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* Function to switch to the directory snes9x/roms, if it exists
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* Also loads the folder contents
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* Recursively searches for any directory path 'dir' specified
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*/
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bool SwitchDVDFolder(char * dir, int maxDepth)
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{
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if(maxDepth > 8) // only search to a max depth of 8 levels
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return false;
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bool lastdir = false;
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char * nextdir = 0;
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unsigned int t = strcspn(dir, "/");
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if(t != strlen(dir))
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nextdir = dir + t + 1; // next directory path to find
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else
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lastdir = true;
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dir[t] = 0;
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int dirindex = DirectorySearch(dir);
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if(dirindex)
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{
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dvddir = filelist[dirindex].offset;
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dvddirlength = filelist[dirindex].length;
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maxfiles = ParseDVDdirectory();
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if(lastdir)
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return true;
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else
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return SwitchDVDFolder(nextdir, maxDepth++);
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}
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return false;
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}
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bool SwitchDVDFolder(char * dir)
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{
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// strip off leading/trailing slashes on the directory path
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// we don't want to screw up our recursion!
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if(dir[0] == '/')
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dir = dir + 1;
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if(dir[strlen(dir)-1] == '/')
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dir[strlen(dir)-1] = 0;
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return SwitchDVDFolder(dir, 0);
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}
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/****************************************************************************
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* LoadDVDFile
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* This function will load a file from DVD, in BIN, SMD or ZIP format.
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* The values for offset and length are inherited from rootdir and
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* rootdirlength.
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* The values for offset and length are inherited from dvddir and
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* dvddirlength.
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*
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* The buffer parameter should re-use the initial ROM buffer.
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****************************************************************************/
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@ -354,17 +441,15 @@ LoadDVDFile (unsigned char *buffer)
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char readbuffer[2048];
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// How many 2k blocks to read
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blocks = rootdirlength / 2048;
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blocks = dvddirlength / 2048;
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offset = 0;
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discoffset = rootdir;
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discoffset = dvddir;
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ShowAction ((char*) "Loading...");
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dvd_read (readbuffer, 2048, discoffset);
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if (!IsZipFile (readbuffer))
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{
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for (i = 0; i < blocks; i++)
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{
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dvd_read (readbuffer, 2048, discoffset);
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memcpy (buffer + offset, readbuffer, 2048);
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@ -373,21 +458,18 @@ LoadDVDFile (unsigned char *buffer)
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}
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/*** And final cleanup ***/
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if (rootdirlength % 2048)
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if (dvddirlength % 2048)
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{
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i = rootdirlength % 2048;
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i = dvddirlength % 2048;
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dvd_read (readbuffer, 2048, discoffset);
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memcpy (buffer + offset, readbuffer, i);
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}
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}
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else
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{
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return UnZipBuffer (buffer, discoffset, 1, NULL); // unzip from dvd
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}
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return rootdirlength;
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return dvddirlength;
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}
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/****************************************************************************
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@ -401,7 +483,6 @@ LoadDVDFile (unsigned char *buffer)
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****************************************************************************/
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void uselessinquiry ()
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{
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dvd[0] = 0;
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dvd[1] = 0;
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dvd[2] = 0x12000000;
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@ -10,12 +10,11 @@
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#ifndef _NGCDVD_
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#define _NGCDVD_
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extern u64 rootdir;
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extern int rootdirlength;
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int getpvd ();
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int ParseDVDdirectory ();
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int LoadDVDFile (unsigned char *buffer);
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bool TestDVD();
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int dvd_read (void *dst, unsigned int len, u64 offset);
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bool SwitchDVDFolder(char dir[]);
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#endif
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@ -123,6 +123,9 @@ ParseFATdirectory(int method)
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// initialize selection
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selection = offset = 0;
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// Clear any existing values
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memset (&filelist, 0, sizeof (FILEENTRIES) * MAXFILES);
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// open the directory
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fatdir = diropen(currentdir);
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if (fatdir == NULL)
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@ -38,7 +38,11 @@ char currentdir[MAXPATHLEN];
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int maxfiles;
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extern int screenheight;
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extern unsigned long ARAM_ROMSIZE;
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int havedir = 0;
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int havedir = -1;
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extern u64 dvddir;
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extern int dvddirlength;
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int hasloaded = 0;
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// Global file entry table
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@ -68,7 +72,7 @@ int autoLoadMethod()
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return METHOD_SD;
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else if(ChangeFATInterface(METHOD_USB, SILENT))
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return METHOD_USB;
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else if(false) // FIX ME - WARNING - MOUNTING DVD in Wii mode hangs
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else if(TestDVD())
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return METHOD_DVD;
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else if(ConnectShare (SILENT))
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return METHOD_SMB;
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@ -108,12 +112,20 @@ int autoSaveMethod()
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/***************************************************************************
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* Update curent directory name
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***************************************************************************/
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int UpdateDirName()
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int UpdateDirName(int method)
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{
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int size=0;
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char *test;
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char temp[1024];
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// update DVD directory (does not utilize 'currentdir')
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if(method == METHOD_DVD)
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{
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dvddir = filelist[selection].offset;
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dvddirlength = filelist[selection].length;
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return 1;
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}
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/* current directory doesn't change */
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if (strcmp(filelist[selection].filename,".") == 0)
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{
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@ -257,7 +269,7 @@ FileSelector (int method)
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if (filelist[selection].flags) // This is directory
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{
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/* update current directory and set new entry list if directory has changed */
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int status = UpdateDirName();
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int status = UpdateDirName(method);
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if (status == 1) // ok, open directory
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{
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switch (method)
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@ -303,6 +315,8 @@ FileSelector (int method)
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break;
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case METHOD_DVD:
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dvddir = filelist[selection].offset;
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dvddirlength = filelist[selection].length;
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ARAM_ROMSIZE = LoadDVDFile (Memory.ROM);
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break;
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@ -336,7 +350,6 @@ FileSelector (int method)
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#endif
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)
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VIDEO_WaitVSync();
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//if ((strcmp(filelist[1].filename,"..") == 0) && (strlen (filelist[0].filename) != 0))
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if ( strcmp(filelist[0].filename,"..") == 0 )
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{
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selection = 0;
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@ -441,25 +454,27 @@ OpenDVD (int method)
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if (!getpvd())
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{
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ShowAction((char*) "Loading DVD...");
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DVD_Mount(); /* mount the DVD unit again */
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havedir = 0; /* this may be a new DVD: content need to be parsed again */
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DVD_Mount(); // mount the DVD unit again
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if (!getpvd())
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return 0; /* no correct ISO9660 DVD */
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return 0; // not a ISO9660 DVD
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}
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if (havedir == 0)
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{
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maxfiles = ParseDVDdirectory();
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maxfiles = ParseDVDdirectory(); // load root folder
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// switch to rom folder
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SwitchDVDFolder(GCSettings.LoadFolder);
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if (maxfiles > 0)
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{
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return FileSelector (method);
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havedir = 1;
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}
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}
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else
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return FileSelector (method);
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{
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// no entries found
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WaitPrompt ((char *)"No Files Found!");
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return 0;
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}
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}
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/****************************************************************************
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@ -77,6 +77,11 @@ CardFileExists (char *filename, int slot)
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****************************************************************************/
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bool TestCard(int slot, bool silent)
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{
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// Memory Cards do not work in Wii mode - disable
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#ifdef HW_RVL
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return false;
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#endif
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/*** Initialize Card System ***/
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memset (SysArea, 0, CARD_WORKAREA);
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CARD_Init ("SNES", "00");
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@ -112,58 +117,24 @@ bool TestCard(int slot, bool silent)
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/****************************************************************************
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* MountCard
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*
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* Mounts the memory card in the given slot. Error checking is done and
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* workarounds implemented for when the mount fails.
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* Mounts the memory card in the given slot.
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* Returns the result of the last attempted CARD_Mount command.
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****************************************************************************/
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int MountCard(int cslot, bool silent)
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{
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int ret;
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int tries;
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int ret = -1;
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int tries = 0;
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EXI_ProbeReset();
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*(unsigned long *) (0xcc006800) |= 1 << 13; // Disable Encryption
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// Mount the card
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ret = CARD_Mount (cslot, SysArea, NULL);
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tries = 0;
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||||
while ( tries < 3 && ret == CARD_ERROR_IOERROR )
|
||||
while ( tries < 10 && ret != 0)
|
||||
{
|
||||
EXI_ProbeReset ();
|
||||
if (cslot == CARD_SLOTA)
|
||||
WaitPrompt((char*) "Replug card in slot A!");
|
||||
else
|
||||
WaitPrompt((char*) "Replug card in slot B!");
|
||||
|
||||
ret = CARD_Mount (cslot, SysArea, NULL);
|
||||
VIDEO_WaitVSync ();
|
||||
tries++;
|
||||
}
|
||||
|
||||
tries = 0;
|
||||
while ( tries < 2 && ret == CARD_ERROR_NOCARD )
|
||||
{
|
||||
EXI_ProbeReset ();
|
||||
|
||||
if(!silent)
|
||||
ShowAction ((char*) "Mounting card...");
|
||||
CARD_Unmount (cslot);
|
||||
usleep(500000); // wait half second
|
||||
ret = CARD_Mount (cslot, SysArea, NULL);
|
||||
tries++;
|
||||
}
|
||||
|
||||
tries = 0;
|
||||
while ( tries < 3 && ret == CARD_ERROR_UNLOCKED )
|
||||
{
|
||||
EXI_ProbeReset ();
|
||||
|
||||
if(!silent)
|
||||
ShowAction ((char*) "Waiting for unlock...");
|
||||
usleep(500000); // wait half second
|
||||
ret = CARD_Probe(cslot);
|
||||
tries++;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
@ -140,24 +140,36 @@ PreferencesMenu ()
|
||||
while (quit == 0)
|
||||
{
|
||||
// some load/save methods are not implemented - here's where we skip them
|
||||
// they need to be skipped in the order they were enumerated in snes9xGX.h
|
||||
|
||||
#ifndef HW_RVL
|
||||
// no USB ports on GameCube
|
||||
#ifndef HW_RVL
|
||||
if(GCSettings.LoadMethod == METHOD_USB)
|
||||
GCSettings.LoadMethod++;
|
||||
if(GCSettings.SaveMethod == METHOD_USB)
|
||||
GCSettings.SaveMethod++;
|
||||
#else
|
||||
// Wii DVD access not implemented
|
||||
#endif
|
||||
|
||||
// disable DVD access in Wii mode
|
||||
#ifdef HW_RVL
|
||||
if(GCSettings.LoadMethod == METHOD_DVD)
|
||||
GCSettings.LoadMethod++;
|
||||
#endif
|
||||
|
||||
if(GCSettings.SaveMethod == METHOD_DVD) // saving to DVD is impossible
|
||||
// saving to DVD is impossible
|
||||
if(GCSettings.SaveMethod == METHOD_DVD)
|
||||
GCSettings.SaveMethod++;
|
||||
|
||||
#ifdef HW_RVL
|
||||
// disable SMB in GC mode (stalls out)
|
||||
#ifndef HW_RVL
|
||||
if(GCSettings.LoadMethod == METHOD_SMB)
|
||||
GCSettings.LoadMethod++;
|
||||
if(GCSettings.SaveMethod == METHOD_SMB)
|
||||
GCSettings.SaveMethod++;
|
||||
#endif
|
||||
|
||||
// disable MC saving in Wii mode - does not work for some reason!
|
||||
#ifdef HW_RVL
|
||||
if(GCSettings.SaveMethod == METHOD_MC_SLOTA)
|
||||
GCSettings.SaveMethod++;
|
||||
if(GCSettings.SaveMethod == METHOD_MC_SLOTB)
|
||||
|
||||
@ -25,6 +25,8 @@
|
||||
#include "smbop.h"
|
||||
#include "filesel.h"
|
||||
|
||||
#include "mxml.h"
|
||||
|
||||
extern unsigned char savebuffer[];
|
||||
extern int currconfig[4];
|
||||
|
||||
@ -39,6 +41,82 @@ extern unsigned int ncpadmap[];
|
||||
|
||||
char prefscomment[2][32] = { {PREFSVERSTRING}, {"Preferences"} };
|
||||
|
||||
/****************************************************************************
|
||||
* Prepare Preferences Data
|
||||
*
|
||||
* This sets up the save buffer for saving.
|
||||
****************************************************************************/
|
||||
|
||||
void CreateXmlFile(char* filename)
|
||||
{
|
||||
mxml_node_t *xml;
|
||||
mxml_node_t *data;
|
||||
mxml_node_t *group;
|
||||
|
||||
xml = mxmlNewXML("1.0");
|
||||
|
||||
data = mxmlNewElement(xml, "screen");
|
||||
|
||||
//Create Some config value
|
||||
mxmlElementSetAttr(data, "height","480");
|
||||
|
||||
mxmlElementSetAttr(data, "width","640");
|
||||
|
||||
//Lets do some sub items for funs
|
||||
group = mxmlNewElement(data, "properties");
|
||||
mxmlElementSetAttr(group, "username", "beardface");
|
||||
|
||||
mxmlElementSetAttr(group, "favorite_food", "dead babies");
|
||||
|
||||
/* now lets save the xml file to a file! */
|
||||
FILE *fp;
|
||||
fp = fopen(filename, "w");
|
||||
|
||||
mxmlSaveFile(xml, fp, MXML_NO_CALLBACK);
|
||||
|
||||
/*Time to clean up!*/
|
||||
fclose(fp);
|
||||
mxmlDelete(group);
|
||||
mxmlDelete(data);
|
||||
mxmlDelete(xml);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Prepare Preferences Data
|
||||
*
|
||||
* This sets up the save buffer for saving.
|
||||
****************************************************************************/
|
||||
|
||||
void LoadXmlFile(char* filename)
|
||||
{
|
||||
FILE *fp;
|
||||
mxml_node_t *tree;
|
||||
mxml_node_t *data;
|
||||
mxml_node_t *group;
|
||||
|
||||
/*Load our xml file! */
|
||||
fp = fopen(filename, "r");
|
||||
tree = mxmlLoadFile(NULL, fp, MXML_NO_CALLBACK);
|
||||
fclose(fp);
|
||||
|
||||
/*Load and printf our values! */
|
||||
/* As a note, its a good idea to normally check if node* is NULL */
|
||||
data = mxmlFindElement(tree, tree, "screen", NULL, NULL, MXML_DESCEND);
|
||||
|
||||
printf("Loaded following values from xml file:\n");
|
||||
printf(" Height: %s\n",mxmlElementGetAttr(data,"height"));
|
||||
printf(" Width: %s\n",mxmlElementGetAttr(data,"width"));
|
||||
|
||||
group = mxmlFindElement(tree, tree, "properties", NULL, NULL, MXML_DESCEND);
|
||||
printf(" %s's favorite food is %s\n",mxmlElementGetAttr(group, "username"), mxmlElementGetAttr(group, "favorite_food"));
|
||||
|
||||
/* Yay Done! Now lets be considerate programmers, and put memory back how
|
||||
we found it before we started playing with it...*/
|
||||
mxmlDelete(group);
|
||||
mxmlDelete(data);
|
||||
mxmlDelete(tree);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Prepare Preferences Data
|
||||
*
|
||||
|
||||
@ -85,11 +85,13 @@ bool InitializeNetwork(bool silent)
|
||||
bool
|
||||
ConnectShare (bool silent)
|
||||
{
|
||||
// Crashes system in GameCube mode - so disable for now
|
||||
#ifdef HW_RVL // Wii mode
|
||||
// Crashes or stalls system in GameCube mode - so disable
|
||||
#ifndef HW_RVL
|
||||
return false;
|
||||
#endif
|
||||
|
||||
if(!networkInit)
|
||||
networkInit = InitializeNetwork(silent);
|
||||
#endif
|
||||
|
||||
if(networkInit)
|
||||
{
|
||||
@ -152,6 +154,9 @@ ParseSMBdirectory ()
|
||||
// initialize selection
|
||||
selection = offset = 0;
|
||||
|
||||
// Clear any existing values
|
||||
memset (&filelist, 0, sizeof (FILEENTRIES) * MAXFILES);
|
||||
|
||||
if(strlen(currentdir) <= 1) // root
|
||||
sprintf(searchpath, "*");
|
||||
else
|
||||
|
||||
@ -885,8 +885,10 @@ main ()
|
||||
//fatInit(8192, false);
|
||||
//fat_enable_readahead_all();
|
||||
|
||||
// Initialize DVD subsystem
|
||||
// Initialize DVD subsystem (GameCube only)
|
||||
#ifndef HW_RVL
|
||||
DVD_Init ();
|
||||
#endif
|
||||
|
||||
#ifdef FORCE_WII
|
||||
isWii = TRUE;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user