ADDED option "File->Load Game->Do not change battery save" (currently GBA only)

src/EEprom.cpp

@@ -77,6 +77,15 @@ void eepromReadGame(gzFile gzFile, int version)
   }
 }
 
+void eepromReadGameSkip(gzFile gzFile, int version)
+{
+  // skip the eeprom data in a save game
+  utilReadDataSkip(gzFile, eepromSaveData);
+  if(version >= SAVE_GAME_VERSION_3) {
+    utilGzSeek(gzFile, sizeof(int), SEEK_CUR);
+    utilGzSeek(gzFile, 0x2000, SEEK_CUR);
+  }
+}
 
 int eepromRead(u32 /* address */)
 {

src/EEprom.h

@@ -22,6 +22,7 @@
 
 extern void eepromSaveGame(gzFile _gzFile);
 extern void eepromReadGame(gzFile _gzFile, int version);
+extern void eepromReadGameSkip(gzFile _gzFile, int version);
 extern int eepromRead(u32 address);
 extern void eepromWrite(u32 address, u8 value);
 extern void eepromInit();

src/Flash.cpp

@@ -97,6 +97,18 @@ void flashReadGame(gzFile gzFile, int version)
   }
 }
 
+void flashReadGameSkip(gzFile gzFile, int version)
+{
+  // skip the flash data in a save game
+  if(version < SAVE_GAME_VERSION_5)
+    utilReadDataSkip(gzFile, flashSaveData);
+  else if(version < SAVE_GAME_VERSION_7) {
+    utilReadDataSkip(gzFile, flashSaveData2);
+  } else {
+    utilReadDataSkip(gzFile, flashSaveData3);
+  }
+}
+
 void flashSetSize(int size)
 {
   //  log("Setting flash size to %d\n", size);

src/Flash.h

@@ -22,6 +22,7 @@
 
 extern void flashSaveGame(gzFile _gzFile);
 extern void flashReadGame(gzFile _gzFile, int version);
+extern void flashReadGameSkip(gzFile _gzFile, int version);
 extern u8 flashRead(u32 address);
 extern void flashWrite(u32 address, u8 byte);
 extern void flashDelayedWrite(u32 address, u8 byte);

src/Globals.cpp

@@ -50,6 +50,7 @@ bool speedHack = false;
 int cpuSaveType = 0;
 bool cheatsEnabled = true;
 bool mirroringEnable = false;
+bool skipSaveGameBattery = false;
 
 u8 *bios = NULL;
 u8 *rom = NULL;

src/Globals.h

@@ -60,6 +60,7 @@ extern bool speedHack;
 extern int cpuSaveType;
 extern bool cheatsEnabled;
 extern bool mirroringEnable;
+extern bool skipSaveGameBattery;
 
 extern u8 *bios;
 extern u8 *rom;

src/Util.cpp

@@ -57,6 +57,7 @@ extern u32 systemColorMap32[0x10000];
 static int (ZEXPORT *utilGzWriteFunc)(gzFile, const voidp, unsigned int) = NULL;
 static int (ZEXPORT *utilGzReadFunc)(gzFile, voidp, unsigned int) = NULL;
 static int (ZEXPORT *utilGzCloseFunc)(gzFile) = NULL;
+static z_off_t (ZEXPORT *utilGzSeekFunc)(gzFile, z_off_t, int) = NULL;
 
 bool utilWritePNGFile(const char *fileName, int w, int h, u8 *pix)
 {
@@ -631,6 +632,14 @@ void utilReadData(gzFile gzFile, variable_desc* data)
   }
 }
 
+void utilReadDataSkip(gzFile gzFile, variable_desc* data)
+{
+  while(data->address) {
+    utilGzSeek(gzFile, data->size, SEEK_CUR);
+    data++;
+  }
+}
+
 void utilWriteData(gzFile gzFile, variable_desc *data)
 {
   while(data->address) {
@@ -644,6 +653,7 @@ gzFile utilGzOpen(const char *file, const char *mode)
   utilGzWriteFunc = (int (ZEXPORT *)(void *,void * const, unsigned int))gzwrite;
   utilGzReadFunc = gzread;
   utilGzCloseFunc = gzclose;
+  utilGzSeekFunc = gzseek;
 
   return gzopen(file, mode);
 }
@@ -672,6 +682,11 @@ int utilGzClose(gzFile file)
   return utilGzCloseFunc(file);
 }
 
+z_off_t utilGzSeek(gzFile file, z_off_t offset, int whence)
+{
+	return utilGzSeekFunc(file, offset, whence);
+}
+
 long utilGzMemTell(gzFile file)
 {
   return memtell(file);

src/Util.h

@@ -52,6 +52,7 @@ extern void utilPutDword(u8 *, u32);
 extern void utilPutWord(u8 *, u16);
 extern void utilWriteData(gzFile, variable_desc *);
 extern void utilReadData(gzFile, variable_desc *);
+extern void utilReadDataSkip(gzFile, variable_desc *);
 extern int utilReadInt(gzFile);
 extern void utilWriteInt(gzFile, int);
 extern gzFile utilGzOpen(const char *file, const char *mode);
@@ -59,6 +60,7 @@ extern gzFile utilMemGzOpen(char *memory, int available, const char *mode);
 extern int utilGzWrite(gzFile file, const voidp buffer, unsigned int len);
 extern int utilGzRead(gzFile file, voidp buffer, unsigned int len);
 extern int utilGzClose(gzFile file);
+extern z_off_t utilGzSeek(gzFile file, z_off_t offset, int whence);
 extern long utilGzMemTell(gzFile file);
 extern void utilGBAFindSave(const u8 *, const int);
 extern void utilUpdateSystemColorMaps();

src/agb/GBA.cpp

@@ -746,8 +746,15 @@ static bool CPUReadState(gzFile gzFile)
     utilGzRead(gzFile, pix, 4*241*162);
   utilGzRead(gzFile, ioMem, 0x400);
 
-  eepromReadGame(gzFile, version);
+  if(skipSaveGameBattery) {
-  flashReadGame(gzFile, version);
+    // skip eeprom data
+    eepromReadGameSkip(gzFile, version);
+    // skip flash data
+    flashReadGameSkip(gzFile, version);
+  } else {
+    eepromReadGame(gzFile, version);
+    flashReadGame(gzFile, version);
+  }
   soundReadGame(gzFile, version);
 
   if(version > SAVE_GAME_VERSION_1) {

src/win32/MainWnd.cpp

@@ -440,6 +440,8 @@ BEGIN_MESSAGE_MAP(MainWnd, CWnd)
   ON_COMMAND(ID_PIXELFILTER_MULTI, &MainWnd::OnPixelfilterMultiThreading)
   ON_UPDATE_COMMAND_UI(ID_PIXELFILTER_MULTI, &MainWnd::OnUpdatePixelfilterMultiThreading)
   ON_UPDATE_COMMAND_UI(ID_OPTIONS_SELECT_PLUGIN, &MainWnd::OnUpdateOptionsSelectPlugin)
+  ON_COMMAND(ID_LOADGAME_DONOTCHANGEBATTERYSAVE, &MainWnd::OnLoadgameDonotchangebatterysave)
+  ON_UPDATE_COMMAND_UI(ID_LOADGAME_DONOTCHANGEBATTERYSAVE, &MainWnd::OnUpdateLoadgameDonotchangebatterysave)
   END_MESSAGE_MAP()
 
 

src/win32/MainWnd.h

@@ -428,6 +428,8 @@ public:
 	afx_msg void OnPixelfilterMultiThreading();
 	afx_msg void OnUpdatePixelfilterMultiThreading(CCmdUI *pCmdUI);
 	afx_msg void OnUpdateOptionsSelectPlugin(CCmdUI *pCmdUI);
+	afx_msg void OnLoadgameDonotchangebatterysave();
+	afx_msg void OnUpdateLoadgameDonotchangebatterysave(CCmdUI *pCmdUI);
 };
 
 /////////////////////////////////////////////////////////////////////////////

src/win32/MainWndFile.cpp

@@ -991,3 +991,14 @@ void MainWnd::OnUpdateFileLoadgameAutoloadmostrecent(CCmdUI* pCmdUI)
 {
   pCmdUI->SetCheck(theApp.autoLoadMostRecent);
 }
+
+void MainWnd::OnLoadgameDonotchangebatterysave()
+{
+  theApp.winSkipSaveGameBattery = !theApp.winSkipSaveGameBattery;
+  skipSaveGameBattery = theApp.winSkipSaveGameBattery;
+}
+
+void MainWnd::OnUpdateLoadgameDonotchangebatterysave(CCmdUI *pCmdUI)
+{
+  pCmdUI->SetCheck(theApp.winSkipSaveGameBattery);
+}

src/win32/VBA.cpp

@@ -336,6 +336,7 @@ VBA::VBA()
   wasPaused = false;
   frameskipadjust = 0;
   autoLoadMostRecent = false;
+  winSkipSaveGameBattery = false;
   fsMaxScale = 0;
   romSize = 0;
   lastWindowed = VIDEO_3X;
@@ -1761,6 +1762,9 @@ void VBA::loadSettings()
   autoLoadMostRecent = regQueryDwordValue("autoLoadMostRecent", false) ? true :
     false;
 
+  winSkipSaveGameBattery = regQueryDwordValue("winSkipSaveGameBattery", false) ? true : false;
+  skipSaveGameBattery = theApp.winSkipSaveGameBattery;
+
   cheatsEnabled = regQueryDwordValue("cheatsEnabled", false) ? true : false;
 
   fsMaxScale = regQueryDwordValue("fsMaxScale", 0);
@@ -2669,6 +2673,7 @@ void VBA::saveSettings()
 
   regSetDwordValue("joypadDefault", joypadDefault);
   regSetDwordValue("autoLoadMostRecent", autoLoadMostRecent);
+  regSetDwordValue("winSkipSaveGameBattery", winSkipSaveGameBattery);
   regSetDwordValue("cheatsEnabled", cheatsEnabled);
   regSetDwordValue("fsMaxScale", fsMaxScale);
   regSetDwordValue("throttle", throttle);

src/win32/VBA.h

@@ -201,6 +201,7 @@ class VBA : public CWinApp
   bool wasPaused;
   int frameskipadjust;
   bool autoLoadMostRecent;
+  bool winSkipSaveGameBattery;
   int fsMaxScale;
   int romSize;
   VIDEO_SIZE lastWindowed;

src/win32/VBA.rc

@@ -12,6 +12,38 @@
 /////////////////////////////////////////////////////////////////////////////
 #undef APSTUDIO_READONLY_SYMBOLS
 
+/////////////////////////////////////////////////////////////////////////////
+// German (Germany) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_DEU)
+#ifdef _WIN32
+LANGUAGE LANG_GERMAN, SUBLANG_GERMAN
+#pragma code_page(1252)
+#endif //_WIN32
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE 
+BEGIN
+    "resource.\0"
+END
+
+
+3 TEXTINCLUDE 
+BEGIN
+    "\r\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+#endif    // German (Germany) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
 /////////////////////////////////////////////////////////////////////////////
 // English (U.S.) resources
 
@@ -1515,6 +1547,7 @@ BEGIN
         BEGIN
             MENUITEM "Most recent",                 ID_FILE_LOADGAME_MOSTRECENT
             MENUITEM "Auto load most recent",       ID_FILE_LOADGAME_AUTOLOADMOSTRECENT
+            MENUITEM "Do not change battery save",  ID_LOADGAME_DONOTCHANGEBATTERYSAVE
             MENUITEM SEPARATOR
             MENUITEM "Slot #1",                     ID_FILE_LOADGAME_SLOT1
             MENUITEM "Slot #2",                     ID_FILE_LOADGAME_SLOT2

src/win32/resource.h

@@ -855,13 +855,15 @@
 #define ID_FILE_OPEN_GBC                40358
 #define ID_OUTPUTAPI_XAUDIO2            40359
 #define ID_PIXELFILTER_MULTI            40360
+#define ID_EMULATOR_LOADSTATESHOULD     40361
+#define ID_LOADGAME_DONOTCHANGEBATTERYSAVE 40362
 
 // Next default values for new objects
 // 
 #ifdef APSTUDIO_INVOKED
 #ifndef APSTUDIO_READONLY_SYMBOLS
 #define _APS_NEXT_RESOURCE_VALUE        163
-#define _APS_NEXT_COMMAND_VALUE         40361
+#define _APS_NEXT_COMMAND_VALUE         40363
 #define _APS_NEXT_CONTROL_VALUE         1285
 #define _APS_NEXT_SYMED_VALUE           103
 #endif