u32 scanSaveTypeGBA()
{
if (!fROM) return 0xFF;
fROM->fseek(0, SEEK_SET);
int size = fROM->size();
int lastpct=1;
int len = fROM->size();
for(;;)
{
u32 tmp;
u32 readed = fROM->fread(&tmp, 4);
int pos = fROM->ftell();
int currPct = pos*100/(size-1);
for(int i=lastpct;i<currPct;i++)
{
if(i%10==0)
printf(" %d%%\n",i/10*10);
else printf(".");
lastpct = currPct;
}
if (readed < 4)
break;
if(pos >= len)
break;
switch (tmp)
{
case EEPROM:
return 1;
case SRAM_:
return 2;
case FLASH:
{
u32 tmp = fROM->read32le();
return ((tmp == FLASH1M_)?3:5);
}
case SIIRTC_V:
return 4;
}
}
return 0xFF;
}
virtual void connect()
{
Close();
romSize = 0;
sramSize = 0;
if (gameInfo.romsize == 0)
{
return;
}
if (GBACartridge_RomPath.empty())
{
return;
}
if (!strcasecmp(GBACartridge_RomPath.c_str(), "self"))
{
GBACartridge_RomPath = path.path;
GBACartridge_SRAMPath = Path::GetFileNameWithoutExt(GBACartridge_RomPath) + "." + GBA_SRAM_FILE_EXT;
}
printf("GBASlot opening ROM: %s\n", GBACartridge_RomPath.c_str());
EMUFILE_FILE *inf = new EMUFILE_FILE(GBACartridge_RomPath, "rb");
inf->EnablePositionCache();
fROM = inf;
if (fROM->fail())
{
printf(" - Failed\n");
Close();
return;
}
romSize = fROM->size();
printf(" - Success (%u bytes)\n", romSize);
// Load the GBA cartridge SRAM.
inf = new EMUFILE_FILE(GBACartridge_SRAMPath, "rb+");
fSRAM = inf;
if(fSRAM->fail())
{
delete fSRAM;
fSRAM = NULL;
printf("GBASlot did not load associated SRAM.\n");
}
else
{
inf->EnablePositionCache();
sramSize = fSRAM->size();
printf("Scanning GBA rom to ID save type\n");
saveType = scanSaveTypeGBA();
printf("\nGBASlot found SRAM (%s - %u bytes) at:\n%s\n", (saveType == 0xFF)?"Unknown":saveTypes[saveType], sramSize, GBACartridge_SRAMPath.c_str());
gbaFlash.size = sramSize;
if (gbaFlash.size <= (64 * 1024))
{
gbaFlash.idDevice = 0x1B;
gbaFlash.idManufacturer = 0x32;
}
else
{
gbaFlash.idDevice = 0x09;
gbaFlash.idManufacturer = 0xC2;
}
gbaFlash.state = 0;
}
}