Esempio n. 1
0
int slot_delete(int slot, int device)
{
  char filename[MAXPATHLEN];
  int ret = 0;

  if (!device)
  {
    /* FAT support */
    if (slot > 0)
    {
      /* remove screenshot */
      sprintf(filename,"%s/saves/%s__%d.png", DEFAULT_PATH, rom_filename, slot - 1);
      remove(filename);

      sprintf (filename,"%s/saves/%s.gp%d", DEFAULT_PATH, rom_filename, slot - 1);
    }
    else
      sprintf (filename,"%s/saves/%s.srm", DEFAULT_PATH, rom_filename);

    /* Delete file */
    ret = remove(filename);
  }
  else
  {
    /* Memory Card support */
    if (slot > 0)
      sprintf(filename,"MD-%04X.gp%d", rominfo.realchecksum, slot - 1);
    else
      sprintf(filename,"MD-%04X.srm", rominfo.realchecksum);

    /* Initialise the CARD system */
    memset(&SysArea, 0, CARD_WORKAREA);
    CARD_Init("GENP", "00");

    /* CARD slot */
    device--;

    /* Mount CARD */
    if (CardMount(device))
    {
      /* Delete file */
      ret = CARD_Delete(device,filename);
      CARD_Unmount(device);
    }
  }

  return ret;
}
Esempio n. 2
0
//---------------------------------------------------------------------------------
int main() {
//---------------------------------------------------------------------------------
	VIDEO_Init();
	
	rmode = VIDEO_GetPreferredMode(NULL);

	PAD_Init();
	
	xfb = MEM_K0_TO_K1(SYS_AllocateFramebuffer(rmode));
		
	VIDEO_Configure(rmode);
		
	VIDEO_SetNextFramebuffer(xfb);
	VIDEO_SetBlack(FALSE);
	VIDEO_Flush();
	VIDEO_WaitVSync();
	if(rmode->viTVMode&VI_NON_INTERLACE) VIDEO_WaitVSync();
	console_init(xfb,20,64,rmode->fbWidth,rmode->xfbHeight,rmode->fbWidth*2);
	VIDEO_SetNextFramebuffer(xfb);

	printf("Memory Card Demo\n\n");

	while (1) {
		printf("Insert A card in slot B and press A\n");

		do {
			PAD_ScanPads();
			if (PAD_ButtonsDown(0) & PAD_BUTTON_START) PSOreload();
			VIDEO_WaitVSync();
		} while ( !(PAD_ButtonsDown(0) & PAD_BUTTON_A));


		printf("Mounting card ...\n");

		CARD_Init("DEMO","00");
		int SlotB_error = CARD_Mount(CARD_SLOTB, SysArea, card_removed);
	
		printf("slot B code %d\n",SlotB_error);

		int CardError;
		
		if (SlotB_error >= 0) {

			unsigned int SectorSize = 0;
			CARD_GetSectorSize(CARD_SLOTB,&SectorSize);

			printf("Sector size is %d bytes.\n\n",SectorSize);

			char *CardBuffer = (char *)memalign(32,SectorSize);
			
			printf("Starting directory\n");

			card_dir CardDir;
			card_file CardFile;
			
			CardError = CARD_FindFirst(CARD_SLOTB, &CardDir, true);

			bool found = false;
			
			while ( CARD_ERROR_NOFILE != CardError ) {
				printf("%s  %s  %s\n",CardDir.filename,CardDir.gamecode,CardDir.company);
				CardError = CARD_FindNext(&CardDir);
				if ( 0 == strcmp (DemoFileName, (char *)CardDir.filename)) found = true; 
			};

			printf("Finished directory\n\n");
			
			if (found) {
				printf("Test file contains :- \n");
				CardError = CARD_Open(CARD_SLOTB ,DemoFileName,&CardFile);
				CARD_Read(&CardFile,CardBuffer,SectorSize,0);
				printf("%s\n",CardBuffer);
				
				CARD_Close(&CardFile);
			
				CARD_Delete(CARD_SLOTB,DemoFileName);
			} else {
			
				printf("writing test file ...\n");
				CardError = CARD_Create(CARD_SLOTB ,DemoFileName,SectorSize,&CardFile);

				if (0 == CardError) {
					time_t gc_time;
					gc_time = time(NULL);

					sprintf(CardBuffer,"This text was written by MemCardDemo\nat %s\n",ctime(&gc_time));

					CardError = CARD_Write(&CardFile,CardBuffer,SectorSize,0);
					CardError = CARD_Close(&CardFile);
				}
			}

			CARD_Unmount(CARD_SLOTB);
			free(CardBuffer);
			
		}
	}

}
Esempio n. 3
0
int slot_save(int slot, int device)
{
  char filename[MAXPATHLEN];
  int filesize, done = 0;
  int offset = device ? 2112 : 0;
  u8 *savebuffer;

  if (slot > 0)
  {
    /* allocate buffer */
    savebuffer = (u8 *)memalign(32,STATE_SIZE);
    if (!savebuffer)
    {
      GUI_WaitPrompt("Error","Unable to allocate memory !");
      return 0;
    }

    GUI_MsgBoxOpen("Information","Saving State ...",1);
    filesize = state_save(&savebuffer[offset]);
  }
  else
  {
    if (!sram.on)
    {
       GUI_WaitPrompt("Error","SRAM is disabled !");
       return 0;
    }

    /* allocate buffer */
    savebuffer = (u8 *)memalign(32,0x10000+offset);
    if (!savebuffer)
    {
      GUI_WaitPrompt("Error","Unable to allocate memory !");
      return 0;
    }

    GUI_MsgBoxOpen("Information","Saving SRAM ...",1);
    memcpy(&savebuffer[offset], sram.sram, 0x10000);
    sram.crc = crc32(0, sram.sram, 0x10000);
    filesize = 0x10000;
  }

  if (!device)
  {
    /* FAT support */
    if (slot > 0)
      sprintf(filename, "%s/saves/%s.gp%d", DEFAULT_PATH, rom_filename, slot - 1);
    else
      sprintf(filename, "%s/saves/%s.srm", DEFAULT_PATH, rom_filename);

    /* Open file */
    FILE *fp = fopen(filename, "wb");
    if (!fp)
    {
      GUI_WaitPrompt("Error","Unable to open file !");
      free(savebuffer);
      return 0;
    }

    /* Write from buffer (2k blocks) */
    while (filesize > FILECHUNK)
    {
      fwrite(savebuffer + done, FILECHUNK, 1, fp);
      done += FILECHUNK;
      filesize -= FILECHUNK;
    }

    /* Write remaining bytes */
    fwrite(savebuffer + done, filesize, 1, fp);
    done += filesize;
    fclose(fp);
  }
  else
  {
    /* Memory Card support */
    if (slot > 0)
      sprintf(filename, "MD-%04X.gp%d", rominfo.realchecksum, slot - 1);
    else
      sprintf(filename, "MD-%04X.srm", rominfo.realchecksum);

    /* Initialise the CARD system */
    char action[64];
    memset(&SysArea, 0, CARD_WORKAREA);
    CARD_Init("GENP", "00");

    /* CARD slot */
    device--;

    /* Attempt to mount the card */
    if (!CardMount(device))
    {
      GUI_WaitPrompt("Error","Unable to mount memory card");
      free(savebuffer);
      return 0;
    }

    /* Retrieve the sector size */
    u32 SectorSize = 0;
    int CardError = CARD_GetSectorSize(device, &SectorSize);
    if (!SectorSize)
    {
      sprintf(action, "Invalid sector size (%d)", CardError);
      GUI_WaitPrompt("Error",action);
      CARD_Unmount(device);
      free(savebuffer);
      return 0;
    }

    /* Build the output buffer */
    char comment[2][32] = { {"Genesis Plus GX"}, {"SRAM Save"} };
    strcpy (comment[1], filename);
    memcpy (&savebuffer[0], &icon, 2048);
    memcpy (&savebuffer[2048], &comment[0], 64);

    /* Adjust file size */
    filesize += 2112;
    if (filesize % SectorSize)
      filesize = ((filesize / SectorSize) + 1) * SectorSize;

    /* Check if file already exists */
    card_file CardFile;
    if (CARD_Open(device, filename, &CardFile) == CARD_ERROR_READY)
    {
      int size = filesize - CardFile.len;
      CARD_Close(&CardFile);
      memset(&CardFile,0,sizeof(CardFile));

      /* Check file new size */
      if (size > 0)
      {
        CardError = CARD_Create(device, "TEMP", size, &CardFile);
        if (CardError)
        {
          sprintf(action, "Unable to increase file size (%d)", CardError);
          GUI_WaitPrompt("Error",action);
          CARD_Unmount(device);
          free(savebuffer);
          return 0;
        }

        /* delete temporary file */
        CARD_Close(&CardFile);
        memset(&CardFile,0,sizeof(CardFile));
        CARD_Delete(device, "TEMP");
      }

      /* delete previously existing file */
      CARD_Delete(device, filename);
    }

    /* Create a new file */
    CardError = CARD_Create(device, filename, filesize, &CardFile);
    if (CardError)
    {
      sprintf(action, "Unable to create file (%d)", CardError);
      GUI_WaitPrompt("Error",action);
      CARD_Unmount(device);
      free(savebuffer);
      return 0;
    }

    /* Update file informations */
    time_t rawtime;
    time(&rawtime);
    card_stat CardStatus;
    CARD_GetStatus(device, CardFile.filenum, &CardStatus);
    CardStatus.icon_addr = 0x0;
    CardStatus.icon_fmt = 2;
    CardStatus.icon_speed = 1;
    CardStatus.comment_addr = 2048;
    CardStatus.time = rawtime;
    CARD_SetStatus(device, CardFile.filenum, &CardStatus);

    /* Write file sectors */
    while (filesize > 0)
    {
      CARD_Write(&CardFile, &savebuffer[done], SectorSize, done);
      filesize -= SectorSize;
      done += SectorSize;
    }

    /* Close file */
    CARD_Close(&CardFile);
    CARD_Unmount(device);
  }

  GUI_MsgBoxClose();
  free(savebuffer);

  /* Save screenshot */
  if (slot && !device)
  {
    sprintf(filename,"%s/saves/%s__%d.png", DEFAULT_PATH, rom_filename, slot - 1);
    gxSaveScreenshot(filename);
  }

  return 1;
}
Esempio n. 4
0
/****************************************************************************
 * SaveMCFile
 * Write savebuffer to Memory Card file
 ***************************************************************************/
int
SaveMCFile (char *buf, int slot, char *filename, int datasize, bool silent)
{
	card_file CardFile;
	card_stat CardStatus;
	int CardError;
	unsigned int blocks;
	unsigned int SectorSize;
	int byteswritten = 0;
	int bytesleft = 0;

	if(datasize <= 0)
		return 0;

	// add save icon and comments
	memmove(buf+sizeof(saveicon)+64, buf, datasize);
	memcpy(buf, saveicon, sizeof(saveicon));
	memcpy(buf+sizeof(saveicon), savecomments, 64);
	datasize += (sizeof(saveicon)+64);

	// Try to mount the card
	CardError = MountMC(slot, NOTSILENT);

	if (CardError == 0)
	{
		// Get Sector Size
		CARD_GetSectorSize (slot, &SectorSize);

		// Calculate number of blocks required
		blocks = (datasize / SectorSize) * SectorSize;
		if (datasize % SectorSize)
			blocks += SectorSize;

		// Delete existing file (if present)
		memset(&CardStatus, 0, sizeof(card_stat));
		CardError = CARD_Open (slot, filename, &CardFile);

		if(CardError == 0)
		{
			CARD_Close (&CardFile);
			CardError = CARD_Delete(slot, filename);
			if (CardError)
			{
				ErrorPrompt("Unable to delete existing file!");
				goto done;
			}
		}

		// Create new file
		memset(&CardStatus, 0, sizeof(card_stat));
		CardError = CARD_Create (slot, filename, blocks, &CardFile);
		if (CardError)
		{
			if (CardError == CARD_ERROR_INSSPACE)
				ErrorPrompt("Insufficient space to create file!");
			else
				ErrorPrompt("Unable to create card file!");
			goto done;
		}

		// Now, have an open file handle, ready to send out the data
		CARD_GetStatus (slot, CardFile.filenum, &CardStatus);
		CardStatus.icon_addr = 0x0;
		CardStatus.icon_fmt = 2;
		CardStatus.icon_speed = 1;
		CardStatus.comment_addr = 2048;
		CARD_SetStatus (slot, CardFile.filenum, &CardStatus);

		bytesleft = blocks;

		while (bytesleft > 0)
		{
			CardError =
				CARD_Write (&CardFile, buf + byteswritten, SectorSize, byteswritten);

			if(CardError)
			{
				ErrorPrompt("Error writing file!");
				byteswritten = 0;
				break;
			}

			bytesleft -= SectorSize;
			byteswritten += SectorSize;

			ShowProgress ("Saving...", byteswritten, blocks);
		}
		CARD_Close (&CardFile);
		CancelAction();

		if (byteswritten > 0 && GCSettings.VerifySaves)
		{
			// Verify the written file
			if (!VerifyMCFile (buf, slot, filename, byteswritten) )
				byteswritten = 0;
		}
done:
		CARD_Unmount (slot);
	}

	free(SysArea);
	return byteswritten;
}
Esempio n. 5
0
File: mcard.c Progetto: suloku/gcmm
void MC_DeleteMode(int slot)
{
	int memitems, err;
	int selected = 0;
	int erase;
	
	displaypath = 0;
	
	clearRightPane();
	DrawText(386,130,"D e l e t e   M o d e");
	DrawText(386,134,"_____________________");
	char msg[1024];

	writeStatusBar("Reading memory card... ", "");
	/*** Get the directory listing from the memory card ***/
	memitems = CardGetDirectory (slot);

	setfontsize (14);
	writeStatusBar("Choose a file with UP button or DOWN button ", "Press A button to delete ") ;

	/*** If it's a blank card, get out of here ***/
	if (!memitems)
	{
		WaitPrompt ("No saved games to delete !");
	}
	else
	{
		while(1)
		{
			// TODO: implement showselector
			selected = ShowSelector(1);
			if (cancel)
			{
				WaitPrompt ("Delete action cancelled !");
				return;
			}

			//0 = Z or 2 was pressed -> delete the file
			erase = WaitPromptChoiceAZ("Are you sure you want to delete the file?", "Delete", "Cancel");
			if (!erase)
			{
				// selected = 1;

				/*** Delete the file ***/
				sprintf(msg, "Deleting \"%s\"", CardList[selected].filename);
				writeStatusBar(msg,"");
				//WaitPrompt(msg);
				
				/*** Try to mount the card ***/
				err = MountCard(slot);
				if (err < 0)
				{
					WaitCardError("MCDel Mount", err);
					return; /*** Unable to mount the card ***/
				}

				/*** Initialise for this company & gamecode ***/
				CARD_SetCompany(CardList[selected].company);
				CARD_SetGamecode(CardList[selected].gamecode);

				err = CARD_Delete(slot, (char *) &CardList[selected].filename);
				if (err < 0)
				{
					WaitCardError("MCDel", err);
				}
				else
				{
					WaitPrompt("Delete complete");
				}

				CARD_Unmount(slot);
				return;
			}
			offsetchanged = true;
		}
	}
}
Esempio n. 6
0
File: mcard.c Progetto: suloku/gcmm
/****************************************************************************
* CardWriteFile
*
* Relies on *GOOD* data being placed in the FileBuffer prior to calling.
* See ReadSMBImage
****************************************************************************/
int CardWriteFile (int slot)
{
	char company[4];
	char gamecode[6];
	char filename[CARD_FILENAMELEN];
	int err, ret;
	u32 SectorSize;
	int offset;
	int written;
	int filelen;
	char txt[128];

	//add null char
	company[2] = gamecode[4] = 0;

	memset (SysArea, 0, CARD_WORKAREA);
	memset(filename, 0, CARD_FILENAMELEN);
	ExtractGCIHeader();
	memcpy(company, &gci.company, 2);
	memcpy(gamecode, &gci.gamecode, 4);
	memcpy(filename, &gci.filename, CARD_FILENAMELEN);
	filelen = gci.filesize8 * 8192;

	/*** Mount the card ***/
	err = MountCard(slot);
	if (err < 0)
	{
		WaitCardError("CardMount", err);
		return 0;			/*** Unable to mount the card ***/
	}

	CARD_GetSectorSize (slot, &SectorSize);

	/*** Initialise for this company & gamecode ***/
	CARD_SetCompany(company);
	CARD_SetGamecode(gamecode);
	
	/*** If this file exists, abort ***/
	err = CARD_FindFirst (slot, &CardDir, false);
	while (err != CARD_ERROR_NOFILE)
	{
		if ((memcmp(CardDir.gamecode, &gamecode, 4) == 0) && (memcmp(CardDir.company, &company, 2) == 0) && (strcmp ((char *) CardDir.filename, (char *)filename) == 0))
		{
			/*** Found the file - prompt user ***/
			sprintf(txt, "Savegame %s(%s%s) already exists. Overwrite?", (char *)filename, gamecode, company);
			ret = WaitPromptChoice(txt, "Overwrite", "Cancel");
			if (!ret){
				sprintf(txt, "Are you -SURE- you want to overwrite %s?", (char *)filename);
				ret = WaitPromptChoiceAZ(txt, "Overwrite", "Cancel");
				if(!ret){
					err = CARD_Delete(slot, (char *) &filename);
					if (err < 0)
					{
						WaitCardError("MCDel", err);
						CARD_Unmount (slot);
						return 0;
					}
					err = CARD_FindFirst (slot, &CardDir, false);
					continue;
				}
			}

			/*** User canceled - abort ***/
			CARD_Unmount (slot);
			WaitCardError("File already exists", err);
			return 0;
		}

		err = CARD_FindNext (&CardDir);
	}

tryagain:
	/*** Initialise for this company & gamecode ***/
	//Again just in case, as this is very important for propper restoring
	CARD_SetCompany(company);
	CARD_SetGamecode(gamecode);
	
	/*** Now restore the file from backup ***/
	err = CARD_Create (slot, (char *) filename, filelen, &CardFile);
	if (err < 0)
	{
		if (err == CARD_ERROR_EXIST)
		{
			/*** Found the file - prompt user ***/
			sprintf(txt, "File %s(%s%s) already exists. Overwrite?", (char *) filename, gamecode, company);
			ret = WaitPromptChoice(txt, "Overwrite", "Cancel");
			if (!ret){
				sprintf(txt, "Are you -SURE- you want to overwrite %s?", (char *) filename);
				ret = WaitPromptChoiceAZ(txt, "Overwrite", "Cancel");
				if(!ret){
					err = CARD_Delete(slot, (char *) &filename);
					if (err < 0)
					{
						WaitCardError("MCDel", err);
						CARD_Unmount (slot);
						return 0;
					}
					goto tryagain;
				}
			}
		}
		CARD_Unmount (slot);
		WaitCardError("CardCreate", err);
		return 0;
	}

//Thanks to Ralf, validate F-zero and PSO savegames
	FZEROGX_MakeSaveGameValid(slot);
	PSO_MakeSaveGameValid(slot);

	/*** Now write the file data, in sector sized chunks ***/
	offset = 0;
	while (offset < filelen)
	{
		if ((offset + SectorSize) <= filelen)
		{
			written = CARD_Write (&CardFile, FileBuffer + MCDATAOFFSET + offset + OFFSET, SectorSize, offset);
		}
		else
		{
			written = CARD_Write (&CardFile, FileBuffer + MCDATAOFFSET + offset + OFFSET, ((offset + SectorSize) - filelen), offset);
		}

		offset += SectorSize;
	}

	OFFSET = 0;

#ifdef STATUSOGC
	/*** Finally, update the status ***/
	CARD_SetStatus (slot, CardFile.filenum, &CardStatus);
	//For some reason this sets the file to Move->allowed, Copy->not allowed, Public file instead of the actual permission value
	CARD_SetAttributes(slot, CardFile.filenum, &permission);
#else
	__card_setstatusex(slot, CardFile.filenum, &gci);
#endif

	CARD_Close (&CardFile);
	CARD_Unmount (slot);

	return 1;
}
Esempio n. 7
0
/****************************************************************************
 * ManageState
 *
 * Here is the main Freeze File Management stuff.
 * The output file contains an icon (2K), 64 bytes comment and the STATE (~128k)
 *
 * direction == 0 save, 1 load.
 ****************************************************************************/
int ManageState (u8 direction, u8 device)
{
  if (!smsromsize)
    return 0;

  char filename[MAXJOLIET];

  /* clean buffer */
  memset(savebuffer, 0, 0x12000);

  if (direction)
    ShowAction ("Loading State ...");
  else
    ShowAction ("Saving State ...");

  if (device == 0)
  {
    /* FAT support */
    sprintf (filename, "%s.spz", rom_filename);
    return FAT_ManageFile(filename,direction);
  }

  /* Memory CARD support */
  char action[80];
  int CardError;
  unsigned int SectorSize = 0;
  int blocks;
  char comment[2][32] = { {"SMS Plus 1.3 [FRZ]"}, {"Freeze State"} };
  int outbytes = 0;
  int sbo;
  int state_size = 0;

  /* First, build a filename */
  sprintf (filename, "%08X.spz", (u32)crc32 (0, &cart.rom[0], smsromsize));
  strcpy (comment[1], filename);

  /* set MCARD slot nr. */
  u8 CARDSLOT = device - 1;

  /* Saving */
  if (direction == 0)
  {
    /*** Build the output buffer ***/
    memcpy (&savebuffer, &icon, 2048);
    memcpy (&savebuffer[2048], &comment[0], 64);
    state_size = system_save_state(&savebuffer[2112]);
  }

  outbytes = 2048 + 64 + state_size;

  /*** Initialise the CARD system ***/
  memset (&SysArea, 0, CARD_WORKAREA);
  CARD_Init ("SMSP", "00");

  /*** Attempt to mount the card ***/
  CardError = MountTheCard (CARDSLOT);

  if (CardError)
  {
    /*** Retrieve the sector size ***/
    CardError = CARD_GetSectorSize (CARDSLOT, &SectorSize);

    if (SectorSize)
    {
      switch (direction)
      {
        case 0: /*** Saving ***/
          /*** Determine number of blocks on this card ***/
          blocks = (outbytes / SectorSize) * SectorSize;
          if (outbytes % SectorSize) blocks += SectorSize;

          /*** Check if a previous save exists ***/
          if (CardFileExists (filename,CARDSLOT))
          {
            CardError = CARD_Open (CARDSLOT, filename, &CardFile);
            if (CardError)
            {
              sprintf (action, "Error Open : %d", CardError);
              WaitPrompt (action);
              CARD_Unmount (CARDSLOT);
              return 0;
            }

            int size = CardFile.len;
            CARD_Close (&CardFile);

            if (size < blocks)
            {
              /* new size is bigger: check if there is enough space left */
              CardError = CARD_Create (CARDSLOT, "TEMP", blocks-size, &CardFile);
              if (CardError)
              {
                sprintf (action, "Error Update : %d", CardError);
                WaitPrompt (action);
                CARD_Unmount (CARDSLOT);
                return 0;
              }
              CARD_Close (&CardFile);
              CARD_Delete(CARDSLOT, "TEMP");
            }

            /* always delete existing slot */
            CARD_Delete(CARDSLOT, filename);
          }

          /*** Create a new slot ***/
          CardError = CARD_Create (CARDSLOT, filename, blocks, &CardFile);
          if (CardError)
          {
            sprintf (action, "Error create : %d %d", CardError, CARDSLOT);
            WaitPrompt (action);
            CARD_Unmount (CARDSLOT);
            return 0;
          }

          /*** Continue and save ***/
          CARD_GetStatus (CARDSLOT, CardFile.filenum, &CardStatus);
          CardStatus.icon_addr = 0x0;
          CardStatus.icon_fmt = 2;
          CardStatus.icon_speed = 1;
          CardStatus.comment_addr = 2048;
          CARD_SetStatus (CARDSLOT, CardFile.filenum, &CardStatus);

          /*** And write the blocks out ***/
          sbo = 0;
          while (outbytes > 0)
          {
            CardError = CARD_Write (&CardFile, &savebuffer[sbo], SectorSize, sbo);
            outbytes -= SectorSize;
            sbo += SectorSize;
          }

          CARD_Close (&CardFile);
          CARD_Unmount (CARDSLOT);
          sprintf (action, "Saved %d bytes successfully", blocks);
          WaitPrompt (action);
          return 1;

      default: /*** Loading ***/
        if (!CardFileExists (filename, CARDSLOT))
        {
          WaitPrompt ("No Savestate Found");
          CARD_Unmount (CARDSLOT);
          return 0;
        }

        memset (&CardFile, 0, sizeof (CardFile));
        CardError = CARD_Open (CARDSLOT, filename, &CardFile);
        if (CardError)
        {
          sprintf (action, "Error Open : %d", CardError);
          WaitPrompt (action);
          CARD_Unmount (CARDSLOT);
          return 0;
        }

        blocks = CardFile.len;
        if (blocks < SectorSize) blocks = SectorSize;
        if (blocks % SectorSize) blocks++;

        /*** Just read the file back in ***/
        sbo = 0;
        int size = blocks;
        while (blocks > 0)
        {
          CARD_Read (&CardFile, &savebuffer[sbo], SectorSize, sbo);
          sbo += SectorSize;
          blocks -= SectorSize;
        }
        CARD_Close (&CardFile);
        CARD_Unmount (CARDSLOT);

        /*** Load State ***/
        system_load_state(&savebuffer[2112]);

        /*** Inform user ***/
        sprintf (action, "Loaded %d bytes successfully", size);
        WaitPrompt (action);
        return 1;
      }
    }
    WaitPrompt ("Invalid sector size");
    return 0;
  }
  WaitPrompt ("Unable to mount memory card");
  return 0; /*** Signal failure ***/
}
Esempio n. 8
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/****************************************************************************
 * SaveMCFile
 * Write savebuffer to Memory Card file
 ***************************************************************************/
int
SaveMCFile (char *buf, int slot, char *filename, int datasize, bool silent)
{
	int CardError;
	unsigned int blocks;
	unsigned int SectorSize;
	char msg[80];

	if(datasize <= 0)
		return 0;

	/*** Initialize Card System ***/
	memset (SysArea, 0, CARD_WORKAREA);
	CARD_Init ("VBA0", "00");

	/*** Try to mount the card ***/
	CardError = MountCard(slot, NOTSILENT);

	if (CardError == 0)
	{
		/*** Get Sector Size ***/
		CARD_GetSectorSize (slot, &SectorSize);

		/*** Calculate number of blocks required ***/
		blocks = (datasize / SectorSize) * SectorSize;
		if (datasize % SectorSize)
			blocks += SectorSize;

		/*** Does this file exist ? ***/
		if (CardFileExists (filename, slot))
		{
			/*** Try to open the file ***/
			CardError = CARD_Open (slot, filename, &CardFile);
			if (CardError)
			{
				CARD_Unmount (slot);
				WaitPrompt("Unable to open card file!");
				return 0;
			}

			if ( (s32)blocks > CardFile.len )  /*** new data is longer ***/
			{
				CARD_Close (&CardFile);

				/*** Try to create temp file to check available space ***/
				CardError = CARD_Create (slot, "TEMPFILESNES9XGX201", blocks, &CardFile);
				if (CardError)
				{
					CARD_Unmount (slot);
					WaitPrompt("Not enough space to update file!");
					return 0;
				}

				/*** Delete the temporary file ***/
				CARD_Close (&CardFile);
				CardError = CARD_Delete(slot, "TEMPFILESNES9XGX201");
				if (CardError)
				{
					CARD_Unmount (slot);
					WaitPrompt("Unable to delete temporary file!");
					return 0;
				}

				/*** Delete the existing shorter file ***/
				CardError = CARD_Delete(slot, filename);
				if (CardError)
				{
					CARD_Unmount (slot);
					WaitPrompt("Unable to delete existing file!");
					return 0;
				}

				/*** Create new, longer file ***/
				CardError = CARD_Create (slot, filename, blocks, &CardFile);
				if (CardError)
				{
					CARD_Unmount (slot);
					WaitPrompt("Unable to create updated card file!");
					return 0;
				}
			}
		}
		else  /*** no file existed, create new one ***/
		{
			/*** Create new file ***/
			CardError = CARD_Create (slot, filename, blocks, &CardFile);
			if (CardError)
			{
				CARD_Unmount (slot);
				if ( CardError == CARD_ERROR_INSSPACE )
					WaitPrompt("Not enough space to create file!");
				else
					WaitPrompt("Unable to create card file!");
				return 0;
			}
		}

		/*** Now, have an open file handle, ready to send out the data ***/
		CARD_GetStatus (slot, CardFile.filenum, &CardStatus);
		CardStatus.icon_addr = 0x0;
		CardStatus.icon_fmt = 2;
		CardStatus.icon_speed = 1;
		CardStatus.comment_addr = 2048;
		CARD_SetStatus (slot, CardFile.filenum, &CardStatus);

		int byteswritten = 0;
		int bytesleft = blocks;
		while (bytesleft > 0)
		{
			CardError =
				CARD_Write (&CardFile, buf + byteswritten,
							SectorSize, byteswritten);
			bytesleft -= SectorSize;
			byteswritten += SectorSize;

			sprintf (msg, "Wrote %d of %d bytes", byteswritten, blocks);
			ShowProgress (msg, byteswritten, blocks);
		}

		CARD_Close (&CardFile);
		CARD_Unmount (slot);

		if ( GCSettings.VerifySaves )
		{
			/*** Verify the written file, but only up to the length we wrote
				 because the file could be longer due to past writes    ***/
			if ( VerifyMCFile (buf, slot, filename, byteswritten) )
				return byteswritten;
			else
				return 0;
		}
		else
			return byteswritten;
	}
	else
		if (slot == CARD_SLOTA)
			WaitPrompt("Unable to Mount Slot A Memory Card!");
		else
			WaitPrompt("Unable to Mount Slot B Memory Card!");

	return 0;
}