/***************************************************************************
* MountDVD
*
* return 0 on error, 1 on success
***************************************************************************/
static int MountDVD(void)
{
GUI_MsgBoxOpen("Information", "Mounting DVD ...",1);
/* check if DVD is already mounted */
if (dvd_mounted)
{
/* unmount DVD */
ISO9660_Unmount("dvd:");
dvd_mounted = 0;
}
/* check if disc is found */
if(!dvd->isInserted())
{
GUI_WaitPrompt("Error","No Disc inserted !");
return 0;
}
/* mount DVD */
if(!ISO9660_Mount("dvd",dvd))
{
GUI_WaitPrompt("Error","Disc can not be read !");
return 0;
}
/* DVD is mounted */
dvd_mounted = 1;
GUI_MsgBoxClose();
return 1;
}
/***************************************************************************
* FAT_ParseDirectory
*
* List files into one FAT directory
***************************************************************************/
int FAT_ParseDirectory(void)
{
int nbfiles = 0;
char filename[MAXPATHLEN];
struct stat filestat;
/* open directory */
DIR_ITER *dir = diropen (fatdir);
if (dir == NULL)
{
GUI_WaitPrompt("Error","Unable to open directory !");
return -1;
}
while ((dirnext(dir, filename, &filestat) == 0) && (nbfiles < MAXFILES))
{
if (strcmp(filename,".") != 0)
{
memset(&filelist[nbfiles], 0, sizeof (FILEENTRIES));
sprintf(filelist[nbfiles].filename,"%s",filename);
filelist[nbfiles].length = filestat.st_size;
filelist[nbfiles].flags = (filestat.st_mode & S_IFDIR) ? 1 : 0;
nbfiles++;
}
}
dirclose(dir);
/* Sort the file list */
qsort(filelist, nbfiles, sizeof(FILEENTRIES), FileSortCallback);
return nbfiles;
}
/*****************************************************************************
* UnZipBuffer
*
* It should be noted that there is a limit of 5MB total size for any ROM
******************************************************************************/
int UnZipBuffer (unsigned char *outbuffer, u64 discoffset, char *filename)
{
PKZIPHEADER pkzip;
int zipoffset = 0;
int zipchunk = 0;
char out[ZIPCHUNK];
z_stream zs;
int res;
int bufferoffset = 0;
int have = 0;
char readbuffer[2048];
char msg[128];
FILE *fatfile = NULL;
/*** FAT file support ***/
if (filename)
{
fatfile = fopen(filename, "rb");
if (fatfile == NULL) return 0;
}
/*** Read Zip Header ***/
if (fatfile)
{
fseek(fatfile, 0, SEEK_SET);
fread(readbuffer, FATCHUNK, 1, fatfile);
}
else
{
dvd_read (&readbuffer, DVDCHUNK, discoffset);
}
/*** Copy PKZip header to local, used as info ***/
memcpy (&pkzip, &readbuffer, sizeof (PKZIPHEADER));
sprintf (msg, "Unzipping %d bytes ...", FLIP32 (pkzip.uncompressedSize));
GUI_MsgBoxOpen("Information",msg,1);
/*** Prepare the zip stream ***/
memset (&zs, 0, sizeof (z_stream));
zs.zalloc = Z_NULL;
zs.zfree = Z_NULL;
zs.opaque = Z_NULL;
zs.avail_in = 0;
zs.next_in = Z_NULL;
res = inflateInit2 (&zs, -MAX_WBITS);
if (res != Z_OK)
{
GUI_WaitPrompt("Error","Unable to unzip file !");
return 0;
}
/*** Set ZipChunk for first pass ***/
zipoffset = (sizeof (PKZIPHEADER) + FLIP16 (pkzip.filenameLength) + FLIP16 (pkzip.extraDataLength));
zipchunk = ZIPCHUNK - zipoffset;
/*** Now do it! ***/
do
{
zs.avail_in = zipchunk;
zs.next_in = (Bytef *) & readbuffer[zipoffset];
/*** Now inflate until input buffer is exhausted ***/
do
{
zs.avail_out = ZIPCHUNK;
zs.next_out = (Bytef *) & out;
res = inflate (&zs, Z_NO_FLUSH);
if (res == Z_MEM_ERROR)
{
inflateEnd (&zs);
GUI_WaitPrompt("Error","Unable to unzip file !");
return 0;
}
have = ZIPCHUNK - zs.avail_out;
if (have)
{
/*** Copy to normal block buffer ***/
memcpy (&outbuffer[bufferoffset], &out, have);
bufferoffset += have;
}
}
while (zs.avail_out == 0);
/*** Readup the next 2k block ***/
zipoffset = 0;
zipchunk = ZIPCHUNK;
if (fatfile)
{
fread(readbuffer, FATCHUNK, 1, fatfile);
}
else
{
discoffset += DVDCHUNK;
dvd_read (&readbuffer, DVDCHUNK, discoffset);
}
}
while (res != Z_STREAM_END);
inflateEnd (&zs);
/* close file */
if (fatfile) fclose(fatfile);
if (res == Z_STREAM_END)
{
if (FLIP32 (pkzip.uncompressedSize) == (u32) bufferoffset) return bufferoffset;
else return FLIP32 (pkzip.uncompressedSize);
}
return 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;
}
int slot_load(int slot, int device)
{
char filename[MAXPATHLEN];
int filesize, done = 0;
int offset = 0;
u8 *savebuffer;
if (slot > 0)
{
GUI_MsgBoxOpen("Information","Loading State ...",1);
}
else
{
if (!sram.on)
{
GUI_WaitPrompt("Error","SRAM is disabled !");
return 0;
}
GUI_MsgBoxOpen("Information","Loading SRAM ...",1);
}
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, "rb");
if (!fp)
{
GUI_WaitPrompt("Error","Unable to open file !");
return 0;
}
/* Read size */
fseek(fp, 0, SEEK_END);
filesize = ftell(fp);
fseek(fp, 0, SEEK_SET);
/* allocate buffer */
savebuffer = (u8 *)memalign(32,filesize);
if (!savebuffer)
{
GUI_WaitPrompt("Error","Unable to allocate memory !");
fclose(fp);
return 0;
}
/* Read into buffer (2k blocks) */
while (filesize > FILECHUNK)
{
fread(savebuffer + done, FILECHUNK, 1, fp);
done += FILECHUNK;
filesize -= FILECHUNK;
}
/* Read remaining bytes */
fread(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");
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);
return 0;
}
/* Open file */
card_file CardFile;
CardError = CARD_Open(device, filename, &CardFile);
if (CardError)
{
sprintf(action, "Unable to open file (%d)", CardError);
GUI_WaitPrompt("Error",action);
CARD_Unmount(device);
return 0;
}
/* Retrieve file size */
filesize = CardFile.len;
if (filesize % SectorSize)
filesize = ((filesize / SectorSize) + 1) * SectorSize;
/* Allocate buffer */
savebuffer = (u8 *)memalign(32,filesize);
if (!savebuffer)
{
GUI_WaitPrompt("Error","Unable to allocate memory !");
CARD_Close(&CardFile);
CARD_Unmount(device);
return 0;
}
/* Read file sectors */
while (filesize > 0)
{
CARD_Read(&CardFile, &savebuffer[done], SectorSize, done);
done += SectorSize;
filesize -= SectorSize;
}
CARD_Close(&CardFile);
CARD_Unmount(device);
offset = 2112;
}
if (slot > 0)
{
/* Load state */
if (!state_load(&savebuffer[offset]))
{
free(savebuffer);
GUI_WaitPrompt("Error","Unable to load state !");
return 0;
}
}
else
{
/* Load SRAM & update CRC */
memcpy(sram.sram, &savebuffer[offset], 0x10000);
sram.crc = crc32(0, sram.sram, 0x10000);
}
free(savebuffer);
GUI_MsgBoxClose();
return 1;
}
int load_archive(char *filename, unsigned char *buffer, int maxsize, char *extension)
{
int size = 0;
char in[CHUNKSIZE];
char msg[64];
char type[16];
/* Open file */
FILE *fd = fopen(filename, "rb");
/* Autodetect needed System ROM files */
if (filename == CD_BIOS_US)
{
sprintf(type,"CD BIOS (USA)");
}
else if (filename == CD_BIOS_EU)
{
sprintf(type,"CD BIOS (PAL)");
}
else if (filename == CD_BIOS_JP)
{
sprintf(type,"CD BIOS (JAP)");
}
else if (filename == AR_ROM)
{
sprintf(type,"Action Replay");
}
else if (filename == GG_ROM)
{
sprintf(type,"Game Genie");
}
else if (filename == SK_ROM)
{
sprintf(type,"S&K (2MB ROM)");
}
else if (filename == SK_UPMEM)
{
sprintf(type,"S2&K (256K ROM)");
}
else if ((filename == MS_BIOS_US) || (filename == MS_BIOS_EU) || (filename == MS_BIOS_JP) || (filename == GG_BIOS) || (filename == MD_BIOS))
{
/* Mega Drive / Genesis, Master System & Game Gear BIOS are optional so we disable error messages */
SILENT = 1;
}
else
{
sprintf(type,"file");
}
if (!fd)
{
sprintf(msg,"Unable to open %s", type);
GUI_WaitPrompt("Error", msg);
SILENT = 0;
return 0;
}
/* Read first chunk */
fread(in, CHUNKSIZE, 1, fd);
/* Detect Zip file */
if (memcmp(in, "PK", 2) == 0)
{
/* Inflate buffer */
char out[CHUNKSIZE];
/* PKZip header pointer */
PKZIPHEADER *pkzip = (PKZIPHEADER *) in;
/* Retrieve uncompressed ROM size */
size = FLIP32(pkzip->uncompressedSize);
/* Check ROM size */
if (size > MAXROMSIZE)
{
fclose(fd);
GUI_WaitPrompt("Error","File is too large");
SILENT = 0;
return 0;
}
else if (size > maxsize)
{
size = maxsize;
}
sprintf (msg, "Unzipping %d bytes ...", size);
GUI_MsgBoxUpdate("Information",msg);
/* Initialize zip stream */
z_stream zs;
memset (&zs, 0, sizeof (z_stream));
zs.zalloc = Z_NULL;
zs.zfree = Z_NULL;
zs.opaque = Z_NULL;
zs.avail_in = 0;
zs.next_in = Z_NULL;
int res = inflateInit2(&zs, -MAX_WBITS);
if (res != Z_OK)
{
fclose(fd);
sprintf(msg,"Unable to unzip %s", type);
GUI_WaitPrompt("Error",msg);
SILENT = 0;
return 0;
}
/* Compressed filename offset */
int offset = sizeof (PKZIPHEADER) + FLIP16(pkzip->filenameLength);
if (extension)
{
memcpy(extension, &in[offset - 3], 3);
extension[3] = 0;
}
/* Initial Zip buffer offset */
offset += FLIP16(pkzip->extraDataLength);
zs.next_in = (Bytef *)&in[offset];
/* Initial Zip remaining chunk size */
zs.avail_in = CHUNKSIZE - offset;
/* Initialize output size */
size = 0;
/* Start unzipping file */
do
{
/* Inflate data until output buffer is empty */
do
{
zs.avail_out = CHUNKSIZE;
zs.next_out = (Bytef *) out;
res = inflate(&zs, Z_NO_FLUSH);
if (res == Z_MEM_ERROR)
{
inflateEnd(&zs);
fclose(fd);
sprintf(msg,"Unable to unzip %s", type);
GUI_WaitPrompt("Error",msg);
SILENT = 0;
return 0;
}
offset = CHUNKSIZE - zs.avail_out;
if ((size + offset) > maxsize)
{
offset = maxsize - size;
}
if (offset)
{
memcpy(buffer, out, offset);
buffer += offset;
size += offset;
}
}
while ((zs.avail_out == 0) && (size < maxsize));
/* Read next chunk of zipped data */
fread(in, CHUNKSIZE, 1, fd);
zs.next_in = (Bytef *)&in[0];
zs.avail_in = CHUNKSIZE;
}
while ((res != Z_STREAM_END) && (size < maxsize));
inflateEnd (&zs);
}
else
{
/* Get file size */
fseek(fd, 0, SEEK_END);
size = ftell(fd);
fseek(fd, 0, SEEK_SET);
/* Check ROM size */
if (size > MAXROMSIZE)
{
fclose(fd);
GUI_WaitPrompt("Error","File is too large");
SILENT = 0;
return 0;
}
else if (size > maxsize)
{
size = maxsize;
}
sprintf((char *)msg,"Loading %d bytes ...", size);
GUI_MsgBoxUpdate("Information", (char *)msg);
/* filename extension */
if (extension)
{
memcpy(extension, &filename[strlen(filename) - 3], 3);
extension[3] = 0;
}
/* Read into buffer */
int left = size;
while (left > CHUNKSIZE)
{
fread(buffer, CHUNKSIZE, 1, fd);
buffer += CHUNKSIZE;
left -= CHUNKSIZE;
}
/* Read remaining bytes */
fread(buffer, left, 1, fd);
}
/* Close file */
fclose(fd);
/* Return loaded ROM size */
SILENT = 0;
return size;
}
void config_default(void)
{
/* version TAG */
strncpy(config.version,CONFIG_VERSION,16);
/* sound options */
config.psg_preamp = 150;
config.fm_preamp = 100;
config.hq_fm = 1;
config.psgBoostNoise = 1;
config.filter = 1;
config.lp_range = 0x9999; /* 0.6 in 16.16 fixed point */
config.low_freq = 880;
config.high_freq = 5000;
config.lg = 1.0;
config.mg = 1.0;
config.hg = 1.0;
config.dac_bits = 14;
config.ym2413 = 2; /* AUTO */
config.mono = 0;
/* system options */
config.system = 0; /* AUTO */
config.region_detect = 0; /* AUTO */
config.vdp_mode = 0; /* AUTO */
config.master_clock = 0; /* AUTO */
config.force_dtack = 0;
config.addr_error = 1;
config.bios = 0;
config.lock_on = 0;
config.hot_swap = 0;
/* video options */
config.xshift = 0;
config.yshift = 0;
config.xscale = 0;
config.yscale = 0;
config.aspect = 1;
config.overscan = 3; /* FULL */
config.gg_extra = 0;
config.lcd = 0;
config.ntsc = 0;
config.vsync = 1; /* AUTO */
config.bilinear = 0;
config.vfilter = 1;
if (VIDEO_HaveComponentCable())
{
config.render = 2;
}
else
{
config.render = 0;
}
switch (vmode->viTVMode >> 2)
{
case VI_PAL:
config.tv_mode = 1; /* 50hz only */
break;
case VI_EURGB60:
config.tv_mode = 2; /* 50/60hz */
break;
default:
config.tv_mode = 0; /* 60hz only */
break;
}
#ifdef HW_RVL
config.trap = 0;
config.gamma = VI_GM_1_0 / 10.0;
#else
config.v_prog = 1;
#endif
/* NTSC filter options */
config.ntsc_sharpness = 0.0;
config.ntsc_resolution = 0.0;
config.ntsc_artifacts = 0.0;
config.ntsc_fringing = 0.0;
config.ntsc_bleed = 0.0;
/* controllers options */
config.gun_cursor[0] = 1;
config.gun_cursor[1] = 1;
config.invert_mouse = 0;
/* on-screen options */
config.cd_leds = 0;
config.fps = 0;
/* menu options */
config.autoload = 0;
config.autocheat = 0;
config.s_auto = 1;
config.s_default = 1;
config.s_device = 0;
config.bg_overlay = 0;
config.screen_w = 658;
config.bgm_volume = 100.0;
config.sfx_volume = 100.0;
#ifdef HW_RVL
config.autosleep = 1;
config.calx = 0;
config.caly = 0;
#endif
/* default ROM directories */
#ifdef HW_RVL
DIR *dir = opendir("sd:/");
if (dir)
{
config.l_device = TYPE_SD;
closedir(dir);
}
else
{
config.l_device = TYPE_USB;
}
sprintf (config.lastdir[0][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[0][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[0][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
#else
config.l_device = TYPE_SD;
sprintf (config.lastdir[0][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[0][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
#endif
/* system ROM paths */
sprintf (config.sys_rom[0], "%s/bios/bios_CD_U.bin", DEFAULT_PATH);
sprintf (config.sys_rom[1], "%s/bios/bios_CD_E.bin", DEFAULT_PATH);
sprintf (config.sys_rom[2], "%s/bios/bios_CD_J.bin", DEFAULT_PATH);
sprintf (config.sys_rom[3], "%s/bios/bios_MD.bin", DEFAULT_PATH);
sprintf (config.sys_rom[4], "%s/bios/bios_U.sms", DEFAULT_PATH);
sprintf (config.sys_rom[5], "%s/bios/bios_E.sms", DEFAULT_PATH);
sprintf (config.sys_rom[6], "%s/bios/bios_J.sms", DEFAULT_PATH);
sprintf (config.sys_rom[7], "%s/bios/bios.gg", DEFAULT_PATH);
sprintf (config.sys_rom[8], "%s/lock-on/ggenie.bin", DEFAULT_PATH);
sprintf (config.sys_rom[9], "%s/lock-on/areplay.bin", DEFAULT_PATH);
sprintf (config.sys_rom[10], "%s/lock-on/sk.bin", DEFAULT_PATH);
sprintf (config.sys_rom[11], "%s/lock-on/sk2chip.bin", DEFAULT_PATH);
/* try to restore user config */
int loaded = config_load();
#ifdef HW_RVL
/* initialize WPAD timeout */
WPAD_SetIdleTimeout(config.autosleep ? 300 : 1800);
#else
/* check if component cable was detected */
if (VIDEO_HaveComponentCable())
{
/* when component cable is detected, libogc automatically enables progressive mode */
/* as preferred video mode but it could still be used on TV not supporting 480p/576p */
PAD_ScanPads();
/* detect progressive mode switch requests */
if (PAD_ButtonsHeld(0) & PAD_BUTTON_B)
{
/* swap progressive mode enable flag */
config.v_prog ^= 1;
/* play some sound to inform user */
ASND_Pause(0);
int voice = ASND_GetFirstUnusedVoice();
ASND_SetVoice(voice,VOICE_MONO_16BIT,44100,0,(u8 *)intro_pcm,intro_pcm_size,200,200,NULL);
sleep (2);
ASND_Pause(1);
}
/* check if progressive mode should be disabled */
if (!config.v_prog)
{
/* switch menu video mode to interlaced */
vmode->viTVMode = (vmode->viTVMode & ~3) | VI_INTERLACE;
VIDEO_Configure(vmode);
VIDEO_Flush();
VIDEO_WaitVSync();
VIDEO_WaitVSync();
}
}
#endif
/* inform user if default config is used */
if (!loaded)
{
GUI_WaitPrompt("Warning","Default Settings restored");
gx_input_SetDefault();
}
/* default emulated inputs */
input.system[0] = SYSTEM_GAMEPAD;
input.system[1] = (config.input[1].device != -1) ? SYSTEM_GAMEPAD : NO_SYSTEM;
input_init();
}
/****************************************************************************
* OpenDir
*
* Function to open a directory and load ROM file list.
****************************************************************************/
int OpenDirectory(int device, int type)
{
int max = 0;
if (device == TYPE_RECENT)
{
/* fetch history list */
int i;
for(i=0; i < NUM_HISTORY_ENTRIES; i++)
{
if(history.entries[i].filepath[0] > 0)
{
filelist[i].flags = 0;
strncpy(filelist[i].filename,history.entries[i].filename, MAXJOLIET-1);
filelist[i].filename[MAXJOLIET-1] = '\0';
max++;
}
else
{
/* Found the end of the list. */
break;
}
}
}
else
{
/* only DVD hot swap is supported */
if (device == TYPE_DVD)
{
/* try to access root directory */
DIR *dir = opendir(rootdir[TYPE_DVD]);
if (dir == NULL)
{
/* mount DVD */
if (!MountDVD()) return 0;
deviceType = -1;
}
else
{
closedir(dir);
}
}
/* parse last directory */
fileDir = config.lastdir[type][device];
max = ParseDirectory();
if (max <= 0)
{
/* parse root directory */
strcpy(fileDir, rootdir[device]);
max = ParseDirectory();
if (max < 0)
{
GUI_WaitPrompt("Error","Unable to open directory !");
return 0;
}
deviceType = -1;
}
}
if (max == 0)
{
GUI_WaitPrompt("Error","No files found !");
return 0;
}
/* check if device or file type has changed */
if ((device != deviceType) || (type != fileType))
{
/* reset current types */
deviceType = device;
fileType = type;
/* reset File selector */
ClearSelector(max);
}
return 1;
}
/****************************************************************************
* LoadFile
*
* This function will load a game file into the ROM buffer.
* This functions return the actual size of data copied into the buffer
*
****************************************************************************/
int LoadFile(int selection)
{
int size, cd_mode1, filetype;
char filename[MAXPATHLEN];
/* file path */
char *filepath = (deviceType == TYPE_RECENT) ? history.entries[selection].filepath : fileDir;
/* full filename */
sprintf(filename, "%s%s", filepath, filelist[selection].filename);
/* DVD hot swap */
if (!strncmp(filepath, rootdir[TYPE_DVD], strlen(rootdir[TYPE_DVD])))
{
/* Check if file is still accessible */
struct stat filestat;
if(stat(filename, &filestat) != 0)
{
/* If not, try to mount DVD */
if (!MountDVD()) return 0;
}
}
/* open message box */
GUI_MsgBoxOpen("Information", "Loading game...", 1);
/* no cartridge or CD game loaded */
size = cd_mode1 = 0;
/* check if virtual CD tray was open */
if ((system_hw == SYSTEM_MCD) && (cdd.status == CD_OPEN))
{
/* swap CD image file in (without changing region, system,...) */
size = cdd_load(filename, (char *)(cdc.ram));
/* check if a cartridge is currently loaded */
if (scd.cartridge.boot)
{
/* CD Mode 1 */
cd_mode1 = size;
}
else
{
/* update game informations from CD image file header */
getrominfo((char *)(cdc.ram));
}
}
/* no CD image file loaded */
if (!size)
{
/* close CD tray to force system reset */
cdd.status = NO_DISC;
/* load game file */
size = load_rom(filename);
}
if (size > 0)
{
/* do not update game basename if a CD was loaded with a cartridge (Mode 1) */
if (cd_mode1)
{
/* add CD image file to history list */
filetype = 1;
}
else
{
/* auto-save previous game state */
slot_autosave(config.s_default,config.s_device);
/* update game basename (for screenshot, save & cheat files) */
if (romtype & SYSTEM_SMS)
{
/* Master System ROM file */
filetype = 2;
sprintf(rom_filename,"ms/%s",filelist[selection].filename);
}
else if (romtype & SYSTEM_GG)
{
/* Game Gear ROM file */
filetype = 3;
sprintf(rom_filename,"gg/%s",filelist[selection].filename);
}
else if (romtype == SYSTEM_SG)
{
/* SG-1000 ROM file */
filetype = 4;
sprintf(rom_filename,"sg/%s",filelist[selection].filename);
}
else if (romtype == SYSTEM_MCD)
{
/* CD image file */
filetype = 1;
sprintf(rom_filename,"cd/%s",filelist[selection].filename);
}
else
{
/* by default, Genesis ROM file */
filetype = 0;
sprintf(rom_filename,"md/%s",filelist[selection].filename);
}
/* remove file extension */
int i = strlen(rom_filename) - 1;
while ((i > 0) && (rom_filename[i] != '.')) i--;
if (i > 0) rom_filename[i] = 0;
}
/* add/move the file to the top of the history. */
history_add_file(filepath, filelist[selection].filename, filetype);
/* recent file list may have changed */
if (deviceType == TYPE_RECENT) deviceType = -1;
/* close message box */
GUI_MsgBoxClose();
/* valid image has been loaded */
return 1;
}
GUI_WaitPrompt("Error", "Unable to load game");
return 0;
}
/****************************************************************************
* OpenFAT
*
* Function to load a FAT directory and display to user.
****************************************************************************/
int FAT_Open(int type)
{
int max = 0;
char root[10] = "";
/* FAT header */
#ifdef HW_RVL
if (type == TYPE_SD) sprintf (root, "sd:");
else if (type == TYPE_USB) sprintf (root, "usb:");
#endif
/* if FAT device type changed, reload filelist */
if (fat_type != type)
{
fat_type = type;
haveFATdir = 0;
}
/* update filelist */
if (haveFATdir == 0)
{
useHistory = 0;
if (type == TYPE_RECENT)
{
/* fetch history list */
useHistory = 1;
int i;
for(i=0; i < NUM_HISTORY_ENTRIES; i++)
{
if(history.entries[i].filepath[0] > 0)
{
filelist[i].offset = 0;
filelist[i].length = 0;
filelist[i].flags = 0;
strncpy(filelist[i].filename, history.entries[i].filename, MAXJOLIET-1);
filelist[i].filename[MAXJOLIET-1] = '\0';
max++;
}
else
{
/* Found the end of the list. */
break;
}
}
}
else
{
/* reset root directory */
sprintf (fatdir, "%s%s/roms/", root, DEFAULT_PATH);
/* if directory doesn't exist, use root as default */
DIR_ITER *dir = diropen(fatdir);
if (dir == NULL) sprintf (fatdir, "%s/", root);
else dirclose(dir);
/* parse root directory */
max = FAT_ParseDirectory ();
}
if (max > 0)
{
/* FAT is default */
haveFATdir = 1;
DVD_ClearDirectory();
/* reset File selector */
ClearSelector(max);
return 1;
}
else
{
/* no entries found */
if (max == 0) GUI_WaitPrompt("Error","No files found !");
return 0;
}
}
return 1;
}
/****************************************************************************
* FAT_LoadFile
*
* This function will load a BIN, SMD or ZIP file from DVD into the ROM buffer.
* This functions return the actual size of data copied into the buffer
*
****************************************************************************/
int FAT_LoadFile(u8 *buffer, u32 selection)
{
/* If loading from history then we need to setup a few more things. */
if(useHistory)
{
/* Get the parent folder for the file. */
strncpy(fatdir, history.entries[selection].filepath, MAXJOLIET-1);
fatdir[MAXJOLIET-1] = '\0';
/* Get the length of the file. This has to be done
* before calling LoadFile(). */
char filepath[MAXJOLIET];
struct stat filestat;
snprintf(filepath, MAXJOLIET-1, "%s%s", history.entries[selection].filepath, history.entries[selection].filename);
filepath[MAXJOLIET-1] = '\0';
if(stat(filepath, &filestat) == 0)
{
filelist[selection].length = filestat.st_size;
}
/* update filelist */
haveFATdir = 0;
}
/* file size */
int length = filelist[selection].length;
if (length > 0)
{
/* Add/move the file to the top of the history. */
history_add_file(fatdir, filelist[selection].filename);
/* full filename */
char fname[MAXPATHLEN];
sprintf(fname, "%s%s",fatdir,filelist[selection].filename);
/* open file */
FILE *sdfile = fopen(fname, "rb");
if (sdfile == NULL)
{
GUI_WaitPrompt("Error","Unable to open file !");
haveFATdir = 0;
return 0;
}
/* Read first data chunk */
unsigned char temp[FATCHUNK];
fread(temp, FATCHUNK, 1, sdfile);
fclose(sdfile);
/* determine file type */
if (!IsZipFile ((char *) temp))
{
/* re-open and read file */
sdfile = fopen(fname, "rb");
if (sdfile)
{
char msg[50];
sprintf(msg,"Loading %d bytes ...", length);
GUI_MsgBoxOpen("Information",msg,1);
int i = 0;
while (length > FATCHUNK)
{
fread(buffer+i, FATCHUNK, 1, sdfile);
length -= FATCHUNK;
i += FATCHUNK;
}
fread(buffer+i, length, 1, sdfile);
fclose(sdfile);
return filelist[selection].length;
}
}
else
{
/* unzip file */
return UnZipBuffer (buffer, 0, fname);
}
}
return 0;
}
void config_default(void)
{
/* version TAG */
strncpy(config.version,CONFIG_VERSION,16);
/* sound options */
config.psg_preamp = 150;
config.fm_preamp = 100;
config.hq_fm = 1;
config.psgBoostNoise = 1;
config.filter = 1;
config.lp_range = 0x9999; /* 0.6 in 16.16 fixed point */
config.low_freq = 880;
config.high_freq = 5000;
config.lg = 1.0;
config.mg = 1.0;
config.hg = 1.0;
config.dac_bits = 14;
config.ym2413 = 2; /* AUTO */
config.mono = 0;
/* system options */
config.system = 0; /* AUTO */
config.region_detect = 0; /* AUTO */
config.vdp_mode = 0; /* AUTO */
config.master_clock = 0; /* AUTO */
config.force_dtack = 0;
config.addr_error = 1;
config.bios = 0;
config.lock_on = 0;
config.hot_swap = 0;
/* video options */
config.xshift = 0;
config.yshift = 0;
config.xscale = 0;
config.yscale = 0;
config.aspect = 1;
config.overscan = 3; /* FULL */
config.gg_extra = 0;
config.ntsc = 0;
config.vsync = 1; /* AUTO */
config.bilinear = 1;
config.vfilter = 1;
if (VIDEO_HaveComponentCable())
{
config.render = 2;
}
else
{
config.render = 0;
}
switch (vmode->viTVMode >> 2)
{
case VI_PAL:
config.tv_mode = 1; /* 50hz only */
break;
case VI_EURGB60:
config.tv_mode = 2; /* 50/60hz */
break;
default:
config.tv_mode = 0; /* 60hz only */
break;
}
#ifdef HW_RVL
config.trap = 0;
config.gamma = VI_GM_1_0 / 10.0;
#endif
/* controllers options */
config.gun_cursor[0] = 1;
config.gun_cursor[1] = 1;
config.invert_mouse = 0;
/* on-screen options */
config.cd_leds = 0;
/* menu options */
config.autoload = 0;
config.autocheat = 0;
#ifdef HW_RVL
config.s_auto = 1;
#else
config.s_auto = 0;
config.v_prog = 1;
#endif
config.s_default = 1;
config.s_device = 0;
config.l_device = 0;
config.bg_overlay = 0;
config.screen_w = 658;
config.bgm_volume = 100.0;
config.sfx_volume = 100.0;
/* default ROM directories */
#ifdef HW_RVL
sprintf (config.lastdir[0][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[0][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[0][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
#else
sprintf (config.lastdir[0][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[0][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[1][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[2][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[3][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[4][TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
#endif
/* try to restore user config */
int loaded = config_load();
#ifndef HW_RVL
/* detect progressive mode enable/disable requests */
PAD_ScanPads();
if (PAD_ButtonsHeld(0) & PAD_BUTTON_B)
{
/* swap progressive mode enable flag and play some sound to inform user */
config.v_prog ^= 1;
ASND_Pause(0);
int voice = ASND_GetFirstUnusedVoice();
ASND_SetVoice(voice,VOICE_MONO_16BIT,44100,0,(u8 *)intro_pcm,intro_pcm_size,200,200,NULL);
sleep (2);
ASND_Pause(1);
}
/* switch into 480p if component cable has been detected and progressive mode is enabled */
if (VIDEO_HaveComponentCable() && config.v_prog)
{
vmode = &TVNtsc480Prog;
VIDEO_Configure (vmode);
VIDEO_Flush();
VIDEO_WaitVSync();
VIDEO_WaitVSync();
}
#endif
/* inform user if default config is used */
if (!loaded)
{
GUI_WaitPrompt("Warning","Default Settings restored");
gx_input_SetDefault();
}
/* default emulated inputs */
input.system[0] = SYSTEM_MD_GAMEPAD;
input.system[1] = (config.input[1].device != -1) ? SYSTEM_MD_GAMEPAD : NO_SYSTEM;
input_init();
}
void config_default(void)
{
/* version TAG */
strncpy(config.version,CONFIG_VERSION,16);
/* sound options */
config.psg_preamp = 150;
config.fm_preamp = 100;
config.hq_fm = 1;
config.psgBoostNoise = 0;
config.filter = 1;
config.lp_range = 50;
config.low_freq = 880;
config.high_freq = 5000;
config.lg = 1.0;
config.mg = 1.0;
config.hg = 1.0;
config.rolloff = 0.995;
config.dac_bits = 14;
/* system options */
config.region_detect = 0;
config.force_dtack = 0;
config.addr_error = 1;
config.tmss = 0;
config.lock_on = 0;
config.romtype = 0;
config.hot_swap = 0;
/* video options */
config.xshift = 0;
config.yshift = 0;
config.xscale = 0;
config.yscale = 0;
config.aspect = 1;
config.overscan = 3;
config.ntsc = 0;
if (VIDEO_HaveComponentCable())
{
config.render = 2;
config.bilinear = 1;
#ifdef HW_RVL
config.trap = 1;
#endif
}
else
{
config.render = 0;
config.bilinear = 0;
#ifdef HW_RVL
config.trap = 0;
#endif
}
#ifdef HW_RVL
config.gamma = VI_GM_1_0 / 10.0;
#endif
/* controllers options */
config.gun_cursor[0] = 1;
config.gun_cursor[1] = 1;
config.invert_mouse = 0;
gx_input_SetDefault();
/* menu options */
config.autoload = 0;
config.autocheat = 0;
#ifdef HW_RVL
config.s_auto = 1;
#else
config.s_auto = 0;
#endif
config.s_default = 1;
config.s_device = 0;
config.bg_type = 0;
config.bg_overlay = 1;
config.screen_w = 658;
config.bgm_volume = 100.0;
config.sfx_volume = 100.0;
/* default ROM directories */
#ifdef HW_RVL
sprintf (config.lastdir[TYPE_SD], "sd:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[TYPE_USB], "usb:%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
#else
sprintf (config.lastdir[TYPE_SD], "%s/roms/", DEFAULT_PATH);
sprintf (config.lastdir[TYPE_DVD], "dvd:%s/roms/", DEFAULT_PATH);
#endif
/* try to restore settings from config file */
if (!config_load()) GUI_WaitPrompt("Info","Default Settings restored");
/* restore inputs */
input_init();
/* restore menu settings */
menu_configure();
}
