From 0a83f8ccdd0114e5671bfdafef955713a5e811fa Mon Sep 17 00:00:00 2001
From: ekeeke31 <ekeeke31@fcb46045-4337-0410-a722-cd382f7ce8f6>
Date: Tue, 18 May 2010 07:35:29 +0000
Subject: [PATCH] fixed ROM file selector

---
 source/cart_hw/ggenie.c     |  1 -
 source/gx/fileio/file_dvd.c |  2 +-
 source/gx/fileio/file_fat.c |  3 +-
 source/gx/gui/filesel.c     | 55 ++++++++++++++-----------------------
 4 files changed, 23 insertions(+), 38 deletions(-)

diff --git a/source/cart_hw/ggenie.c b/source/cart_hw/ggenie.c
index f8360e0..37a8151 100644
--- a/source/cart_hw/ggenie.c
+++ b/source/cart_hw/ggenie.c
@@ -58,7 +58,6 @@ void ggenie_init(void)
 
 #ifdef LSB_FIRST
   /* Byteswap ROM */
-  int i;
   uint8 temp;
   for(i = 0; i < 0x8000; i += 2)
   {
diff --git a/source/gx/fileio/file_dvd.c b/source/gx/fileio/file_dvd.c
index 32229cd..6e95001 100644
--- a/source/gx/fileio/file_dvd.c
+++ b/source/gx/fileio/file_dvd.c
@@ -227,7 +227,7 @@ void DVD_ClearDirectory(void)
 int DVD_UpdateDirectory(bool go_up, u64 offset, u32 length)
 {
   /* root has no parent directory */
-  if (go_up && (basedir == rootdir))
+  if ((basedir == rootdir) && (go_up || (offset == basedir)))
     return 0;
 
   /* simply update current root directory */
diff --git a/source/gx/fileio/file_fat.c b/source/gx/fileio/file_fat.c
index 8b5a44c..bb041fe 100644
--- a/source/gx/fileio/file_fat.c
+++ b/source/gx/fileio/file_fat.c
@@ -48,7 +48,8 @@ void FAT_ClearDirectory(void)
 /***************************************************************************
  * FAT_UpdateDirectory
  *
- * Update FAT current root directory
+ * Update FAT current directory
+ * return zero if exiting root
  ***************************************************************************/ 
 int FAT_UpdateDirectory(bool go_up, char *dirname)
 {
diff --git a/source/gx/gui/filesel.c b/source/gx/gui/filesel.c
index 9c1701e..a458e5c 100644
--- a/source/gx/gui/filesel.c
+++ b/source/gx/gui/filesel.c
@@ -484,12 +484,8 @@ int FileSelector(unsigned char *buffer, bool useFAT)
       /* ensure we are in focus area */
       if (go_up || (m->selected < m->max_buttons))
       {
-        /*** This is directory ***/
-        if (filelist[selection].flags)
+        if (go_up || filelist[selection].flags)
         {
-          /* force going up */
-          go_up = (selection == 0);
-
           /* get new directory */
           if (useFAT)
             ret = FAT_UpdateDirectory(go_up,filelist[selection].filename);
@@ -528,41 +524,30 @@ int FileSelector(unsigned char *buffer, bool useFAT)
             return 0;
           }
         }
-
-        /*** This is a file ***/
         else 
         {
-          /* root directory ? */
-          if (go_up)
-          {
-            GUI_DeleteMenu(m);
-            return 0;
-          }
+          /* Load ROM file from device */
+          if (useFAT)
+            size = FAT_LoadFile(buffer,selection);
           else
+            size = DVD_LoadFile(buffer,selection);
+
+          /* Reload emulation */
+          if (size)
           {
-            /* Load ROM file from device */
-            if (useFAT)
-              size = FAT_LoadFile(buffer,selection);
-            else
-              size = DVD_LoadFile(buffer,selection);
-
-            /* Reload emulation */
-            if (size)
-            {
-              if (config.s_auto & 2)
-                slot_autosave(config.s_default,config.s_device);
-              reloadrom(size,filelist[selection].filename);
-              if (config.s_auto & 1)
-                slot_autoload(0,config.s_device);
-              if (config.s_auto & 2)
-                slot_autoload(config.s_default,config.s_device);
-            }
-
-            /* Exit */
-            GUI_MsgBoxClose();
-            GUI_DeleteMenu(m);
-            return size;
+            if (config.s_auto & 2)
+              slot_autosave(config.s_default,config.s_device);
+            reloadrom(size,filelist[selection].filename);
+            if (config.s_auto & 1)
+              slot_autoload(0,config.s_device);
+            if (config.s_auto & 2)
+              slot_autoload(config.s_default,config.s_device);
           }
+
+          /* Exit */
+          GUI_MsgBoxClose();
+          GUI_DeleteMenu(m);
+          return size;
         }
       }
     }