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;
}
/****************************************************************************
* 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;
}
// Only accepts a .gci file
int deviceHandler_CARD_writeFile(file_handle* file, void* data, unsigned int length) {
card_stat CardStatus;
card_dir CardDir;
card_file CardFile;
GCI gci;
int err = 0;
unsigned int SectorSize = 0, slot = file->fileBase>>24;
char tmpBuf[5];
/*** Clear out the status ***/
memset(&CardStatus, 0, sizeof(card_stat));
memcpy(&gci, data, sizeof(GCI));
memcpy(&CardStatus.gamecode, &gci.gamecode, 4);
memcpy(&CardStatus.company, &gci.company, 2);
CardStatus.banner_fmt = gci.banner_fmt;
memcpy(&CardStatus.filename, &gci.filename, CARD_FILENAMELEN);
CardStatus.time = gci.time;
CardStatus.icon_addr = gci.icon_addr;
CardStatus.icon_fmt = gci.icon_fmt;
CardStatus.icon_speed = gci.icon_speed;
CardStatus.len = gci.filesize8 * 8192;
CardStatus.comment_addr = gci.comment_addr;
CARD_Init((char*)gci.gamecode,(char*)gci.company);
memcpy(&tmpBuf[0],(char*)gci.gamecode,4);
tmpBuf[4]='\0';
CARD_SetGamecode(&tmpBuf[0]);
memcpy(&tmpBuf[0],(char*)gci.company,2);
tmpBuf[2]='\0';
CARD_SetCompany(&tmpBuf[0]);
err = CARD_Mount (slot, sys_area, NULL);
if (err) return -1;
CARD_GetSectorSize (slot, &SectorSize);
/*** If this file exists, abort ***/
err = CARD_FindFirst (slot, &CardDir, false);
while (err != CARD_ERROR_NOFILE){
if (strcmp ((char *) CardDir.filename, (char *)gci.filename) == 0){
/*** Found the file - abort ***/
CARD_Unmount (slot);
return -2;
}
err = CARD_FindNext (&CardDir);
}
/*** Now restore the file from backup ***/
err = CARD_Create (slot, (char *) gci.filename, gci.filesize8 * 8192, &CardFile);
if (err){
CARD_Unmount (slot);
return -3;
}
/*** Now write the file data, in sector sized chunks ***/
int offset = 0;
while (offset < (gci.filesize8 * 8192)){
if ((offset + SectorSize) <= (gci.filesize8 * 8192)) {
CARD_Write (&CardFile, data + 0x40 + offset, SectorSize, offset);
}
else {
CARD_Write (&CardFile, data + 0x40 + offset, ((offset + SectorSize) - (gci.filesize8 * 8192)), offset);
}
offset += SectorSize;
}
/*** Finally, update the status ***/
CARD_SetStatus (slot, CardFile.filenum, &CardStatus);
CARD_Close (&CardFile);
CARD_Unmount (slot);
return length;
}
/****************************************************************************
* 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;
}
/****************************************************************************
* 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 ***/
}
// This function should always be called for the FULL length cause CARD is lame like that.
s32 deviceHandler_CARD_writeFile(file_handle* file, void* data, u32 length) {
if(gciInfo == NULL) { // Swiss ID for this
CARD_SetGameAndCompany();
} else { // Game specific
char company[4], gamecode[8];
memset(company, 0, 4);
memset(gamecode, 0, 8);
memcpy(gamecode, gciInfo->gamecode, 4);
memcpy(company, gciInfo->company, 2);
CARD_SetCompany(company);
CARD_SetGamecode(gamecode);
}
card_file cardfile;
unsigned int slot = (!strncmp((const char*)initial_CARDB.name, file->name, 7)), ret = 0;
unsigned int adj_length = (length % 8192 == 0 ? length : (length + (8192-length%8192)))+8192;
char *filename = NULL;
char fname[CARD_FILENAMELEN+1];
if(gciInfo != NULL) {
memset(fname, 0, CARD_FILENAMELEN+1);
memcpy(fname, gciInfo->filename, CARD_FILENAMELEN);
filename = &fname[0];
adj_length = gciInfo->filesize8*8192;
} else {
filename = getRelativeName(file->name);
}
// Open the file based on the slot & file name
ret = CARD_Open(slot,filename, &cardfile);
print_gecko("Tried to open: [%s] in slot %s got res: %i\r\n",filename, slot ? "B":"A", ret);
if(ret == CARD_ERROR_NOFILE) {
// If the file doesn't exist, create it.
ret = CARD_Create(slot, filename,adj_length,&cardfile);
print_gecko("Tried to create: [%s] in slot %s got res: %i\r\n",filename, slot ? "B":"A", ret);
if(ret != CARD_ERROR_READY) {
return ret;
}
ret = CARD_Open(slot,filename, &cardfile);
print_gecko("Tried to open after create: [%s] in slot %s got res: %i\r\n",filename, slot ? "B":"A", ret);
}
if(ret != CARD_ERROR_READY) {
// Something went wrong
return -1;
}
// Write the icon, comment, etc.
time_t gc_time = time (NULL);
char *tmpBuffer = memalign(32,adj_length);
memset(tmpBuffer,0,adj_length);
if(gciInfo == NULL) {
strcpy(tmpBuffer, filename);
strcpy(tmpBuffer+0x20, ctime (&gc_time));
memcpy(tmpBuffer+0x40, gamecube_rgb, sizeof(gamecube_rgb)); // Copy icon
memcpy(tmpBuffer+0x2000, data, length); // Copy data
}
else {
data+=sizeof(GCI);
memcpy(tmpBuffer, data, length); // Copy data
}
// The file exists by now, write at offset.
int amount_written = 0;
while(amount_written != adj_length) {
ret = CARD_Write(&cardfile, tmpBuffer+amount_written, card_sectorsize[slot], file->offset);
file->offset += card_sectorsize[slot];
amount_written += card_sectorsize[slot];
print_gecko("Tried to write: [%s] in slot %s got res: %i\r\n",filename, slot ? "B":"A", ret);
if(ret != CARD_ERROR_READY) break;
}
card_stat cardstat;
if(gciInfo == NULL) { // Swiss
memset(&cardstat, 0, sizeof(card_stat));
memcpy(&cardstat.filename, filename, CARD_FILENAMELEN-1);
cardstat.time = gc_time;
cardstat.comment_addr = 0;
cardstat.icon_addr = 0x40;
cardstat.icon_speed = CARD_SPEED_FAST;
cardstat.banner_fmt = CARD_BANNER_NONE;
cardstat.icon_fmt = CARD_ICON_RGB;
}
else { // Info is coming from a GCI
cardstat.banner_fmt = gciInfo->banner_fmt;
cardstat.time = gciInfo->time;
cardstat.icon_addr = gciInfo->icon_addr;
cardstat.icon_fmt = gciInfo->icon_fmt;
cardstat.icon_speed = gciInfo->icon_speed;
cardstat.comment_addr = gciInfo->comment_addr;
}
CARD_SetStatus (slot, cardfile.filenum, &cardstat);
free(tmpBuffer);
CARD_Close(&cardfile);
return ret == CARD_ERROR_READY ? length : ret;
}
/****************************************************************************
* 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;
}
void MCManage(int mode, int slot)
{
char mcFilename[80];
int CardError;
card_dir CardDir;
card_file CardFile;
int SectorSize;
int found = 0;
int FileSize;
int actualSize;
int savedBytes=0;
char debug[128];
CARDSLOT = slot;
/*** Build the file name ***/
sprintf(mcFilename, "FCEU-%08x.fcs", iNESGameCRC32);
/*** Mount the Card ***/
CARD_Init("FCEU", "00");
/*** Try for memory card in slot A ***/
CardError = CARD_Mount(CARDSLOT, SysArea, CardRemoved );
if ( CardError >= 0 )
{
/*** Get card sector size ***/
CardError = CARD_GetSectorSize(CARDSLOT, &SectorSize);
switch ( mode ) {
case 0 : { /*** Save Game ***/
/*** Look for this file ***/
CardError = CARD_FindFirst(CARDSLOT, &CardDir, true);
found = 0;
card_stat CardStatus;
while ( CardError != CARD_ERROR_NOFILE )
{
CardError = CARD_FindNext(&CardDir);
if ( strcmp(CardDir.filename, mcFilename) == 0 )
found = 1;
}
/*** Determine number of sectors required ***/
savedBytes = actualSize = GCFCEUSS_Save();
sprintf(debug, "Saving in MC ...");
ShowAction(debug);
FileSize = ( actualSize / SectorSize ) * SectorSize;
if ( actualSize % SectorSize )
FileSize += SectorSize;
/*** Now write the file out ***/
if ( !found )
CardError = CARD_Create(CARDSLOT, mcFilename, FileSize, &CardFile);
else
CardError = CARD_Open(CARDSLOT, mcFilename, &CardFile);
CARD_GetStatus( CARDSLOT, CardFile.filenum, &CardStatus);
CardStatus.icon_addr = 0;
CardStatus.icon_fmt = 2;
CardStatus.icon_speed = 1;
CardStatus.comment_addr = sizeof(saveicon);
CARD_SetStatus( CARDSLOT, CardFile.filenum, &CardStatus);
/*** Haha! libogc only write one block at a time! ***/
if ( CardError == 0 )
{
int sbo = 0;
while ( actualSize > 0 )
{
CardError = CARD_Write(&CardFile, &statebuffer[sbo], SectorSize, sbo );
actualSize -= SectorSize;
sbo += SectorSize;
}
CardError = CARD_Close(&CardFile);
sprintf(debug, "Saved %d bytes successfully!", savedBytes);
WaitPrompt(debug);
}
else WaitPrompt("Save Failed!");
CARD_Unmount(CARDSLOT);
}
break; /*** End save ***/
case 1: { /*** Load state ***/
/*** Look for this file ***/
CardError = CARD_FindFirst(CARDSLOT, &CardDir, true);
memopen(); /*** Clear the buffer ***/
found = 0;
while ( CardError != CARD_ERROR_NOFILE )
{
CardError = CARD_FindNext(&CardDir);
if ( strcmp(CardDir.filename, mcFilename) == 0 )
found = 1;
}
if ( found == 0 )
{
WaitPrompt("No Save Game Found");
CARD_Unmount(CARDSLOT);
return;
}
/*** Load the file into memory ***/
CardError = CARD_Open(CARDSLOT, mcFilename, &CardFile);
CardError = CARD_Read(&CardFile, &statebuffer, SectorSize, 0);
/*** Get actual size of the file ***/
memcpy(&actualSize, &statebuffer[FILESIZEOFFSET], 4);
savedBytes = actualSize;
int sbo = SectorSize;
actualSize -= SectorSize;
while( actualSize > 0 )
{
CARD_Read(&CardFile, &statebuffer[sbo], SectorSize, sbo);
actualSize -= SectorSize;
sbo += SectorSize;
}
CARD_Close(&CardFile);
/*** Finally, do load ***/
GCFCEUSS_Load();
CARD_Unmount(CARDSLOT);
sprintf(debug, "Loaded %d bytes successfully!", savedBytes);
WaitPrompt(debug);
}
break; /*** End load ***/
default: break;
}
} else {
WaitPrompt("Cannot Mount Memory Card!");
}
}