CRom::CRom(const char *romfile)
{
mWriteEnable=FALSE;
Reset();
// Initialise ROM
for(int loop=0;loop<ROM_SIZE;loop++) mRomData[loop]=DEFAULT_ROM_CONTENTS;
// Load up the file
MDFNFILE BIOSFile;
if(!BIOSFile.Open(romfile, NULL, _("Lynx Boot ROM")))
{
throw MDFN_Error(0, ""); // FIXME: (make MDFNFILE throw exceptions instead of calling MDFN_PrintError())
}
if(BIOSFile.Size() < 512)
{
throw MDFN_Error(0, _("The Lynx Boot ROM Image is an incorrect size."));
}
memcpy(mRomData, BIOSFile.Data(), 512);
BIOSFile.Close();
}
CRom::CRom(const char *romfile)
{
unsigned loop;
mWriteEnable=FALSE;
Reset();
// Initialise ROM
for(loop = 0;loop < ROM_SIZE;loop++)
mRomData[loop]=DEFAULT_ROM_CONTENTS;
// Load up the file
MDFNFILE BIOSFile;
if(!BIOSFile.Open(romfile, NULL, _("Lynx Boot ROM")))
{
/* Could not open Lynx boot ROM. */
return;
}
if(BIOSFile.f_size < 512)
{
/* Lynx Boot ROM image is of an incorrect size. */
return;
}
memcpy(mRomData, BIOSFile.f_data, 512);
BIOSFile.Close();
}
MDFNGI *MDFNI_LoadGame(const char *force_module, const char *name)
{
MDFNFILE GameFile;
struct stat stat_buf;
std::vector<FileExtensionSpecStruct> valid_iae;
if(strlen(name) > 4 && (!strcasecmp(name + strlen(name) - 4, ".cue") || !strcasecmp(name + strlen(name) - 4, ".toc") || !strcasecmp(name + strlen(name) - 4, ".m3u")))
{
return(MDFNI_LoadCD(force_module, name));
}
if(!stat(name, &stat_buf) && !S_ISREG(stat_buf.st_mode))
{
return(MDFNI_LoadCD(force_module, name));
}
MDFNI_CloseGame();
LastSoundMultiplier = 1;
MDFNGameInfo = NULL;
MDFN_printf(_("Loading %s...\n"),name);
MDFN_indent(1);
GetFileBase(name);
// Construct a NULL-delimited list of known file extensions for MDFN_fopen()
for(unsigned int i = 0; i < MDFNSystems.size(); i++)
{
const FileExtensionSpecStruct *curexts = MDFNSystems[i]->FileExtensions;
// If we're forcing a module, only look for extensions corresponding to that module
if(force_module && strcmp(MDFNSystems[i]->shortname, force_module))
continue;
if(curexts)
while(curexts->extension && curexts->description)
{
valid_iae.push_back(*curexts);
curexts++;
}
}
{
FileExtensionSpecStruct tmpext = { NULL, NULL };
valid_iae.push_back(tmpext);
}
if(!GameFile.Open(name, &valid_iae[0], _("game")))
{
MDFNGameInfo = NULL;
return 0;
}
if(!LoadIPS(GameFile, MDFN_MakeFName(MDFNMKF_IPS, 0, 0).c_str()))
{
MDFNGameInfo = NULL;
GameFile.Close();
return(0);
}
MDFNGameInfo = NULL;
for(std::list<MDFNGI *>::iterator it = MDFNSystemsPrio.begin(); it != MDFNSystemsPrio.end(); it++) //_unsigned int x = 0; x < MDFNSystems.size(); x++)
{
char tmpstr[256];
trio_snprintf(tmpstr, 256, "%s.enable", (*it)->shortname);
if(force_module)
{
if(!strcmp(force_module, (*it)->shortname))
{
if(!(*it)->Load)
{
GameFile.Close();
if((*it)->LoadCD)
MDFN_PrintError(_("Specified system only supports CD(physical, or image files, such as *.cue and *.toc) loading."));
else
MDFN_PrintError(_("Specified system does not support normal file loading."));
MDFN_indent(-1);
MDFNGameInfo = NULL;
return 0;
}
MDFNGameInfo = *it;
break;
}
}
else
{
// Is module enabled?
if(!MDFN_GetSettingB(tmpstr))
continue;
if(!(*it)->Load || !(*it)->TestMagic)
continue;
if((*it)->TestMagic(name, &GameFile))
{
MDFNGameInfo = *it;
break;
}
}
}
if(!MDFNGameInfo)
{
GameFile.Close();
if(force_module)
MDFN_PrintError(_("Unrecognized system \"%s\"!"), force_module);
else
MDFN_PrintError(_("Unrecognized file format. Sorry."));
MDFN_indent(-1);
MDFNGameInfo = NULL;
return 0;
}
MDFN_printf(_("Using module: %s(%s)\n\n"), MDFNGameInfo->shortname, MDFNGameInfo->fullname);
MDFN_indent(1);
assert(MDFNGameInfo->soundchan != 0);
MDFNGameInfo->soundrate = 0;
MDFNGameInfo->name = NULL;
MDFNGameInfo->rotated = 0;
if(MDFNGameInfo->Load(name, &GameFile) <= 0)
{
GameFile.Close();
MDFN_indent(-2);
MDFNGameInfo = NULL;
return(0);
}
if(MDFNGameInfo->GameType != GMT_PLAYER)
{
MDFN_LoadGameCheats(NULL);
MDFNMP_InstallReadPatches();
}
MDFNI_SetLayerEnableMask(~0ULL);
#ifdef WANT_DEBUGGER
MDFNDBG_PostGameLoad();
#endif
MDFNSS_CheckStates();
MDFNMOV_CheckMovies();
MDFN_ResetMessages(); // Save state, status messages, etc.
MDFN_indent(-2);
if(!MDFNGameInfo->name)
{
unsigned int x;
char *tmp;
MDFNGameInfo->name = (UTF8 *)strdup(GetFNComponent(name));
for(x=0; x<strlen((char *)MDFNGameInfo->name); x++)
{
if(MDFNGameInfo->name[x] == '_')
MDFNGameInfo->name[x] = ' ';
}
if((tmp = strrchr((char *)MDFNGameInfo->name, '.')))
*tmp = 0;
}
PrevInterlaced = false;
deint.ClearState();
TBlur_Init();
MDFN_StateEvilBegin();
last_sound_rate = -1;
memset(&last_pixel_format, 0, sizeof(MDFN_PixelFormat));
return(MDFNGameInfo);
}
int HuCLoadCD(const char *bios_path)
{
static const FileExtensionSpecStruct KnownBIOSExtensions[] =
{
{ ".pce", gettext_noop("PC Engine ROM Image") },
{ ".bin", gettext_noop("PC Engine ROM Image") },
{ ".bios", gettext_noop("BIOS Image") },
{ NULL, NULL }
};
MDFNFILE fp;
if(!fp.Open(bios_path, KnownBIOSExtensions, _("CD BIOS")))
{
return(0);
}
memset(ROMSpace, 0xFF, 262144);
memcpy(ROMSpace, fp.Data() + (fp.Size() & 512), ((fp.Size() & ~512) > 262144) ? 262144 : (fp.Size() &~ 512) );
fp.Close();
PCE_IsCD = 1;
PCE_InitCD();
md5_context md5;
md5.starts();
// md5_update(&md5, HuCROM, 262144);
#if 0
int32 track = CDIF_GetFirstTrack();
int32 last_track = CDIF_GetLastTrack();
bool DTFound = 0;
for(; track <= last_track; track++)
{
CDIF_Track_Format format;
if(CDIF_GetTrackFormat(track, format) && format == CDIF_FORMAT_MODE1)
{
DTFound = 1;
break;
}
}
if(DTFound) // Only add the MD5 hash if we were able to find a data track.
{
uint32 start_sector = CDIF_GetTrackStartPositionLBA(track);
uint8 sector_buffer[2048];
for(int x = 0; x < 128; x++)
{
memset(sector_buffer, 0, 2048);
CDIF_ReadSector(sector_buffer, NULL, start_sector + x, 1);
md5.update(sector_buffer, 2048);
}
}
md5.finish(MDFNGameInfo->MD5);
MDFN_printf(_("CD MD5(first 256KiB): 0x%s\n"), md5_context::asciistr(MDFNGameInfo->MD5, 0).c_str());
#endif
MDFN_printf(_("Arcade Card Emulation: %s\n"), PCE_ACEnabled ? _("Enabled") : _("Disabled"));
for(int x = 0; x < 0x40; x++)
{
HuCPUFastMap[x] = ROMSpace;
PCERead[x] = HuCRead;
}
for(int x = 0x68; x < 0x88; x++)
{
HuCPUFastMap[x] = ROMSpace;
PCERead[x] = HuCRead;
PCEWrite[x] = HuCRAMWrite;
}
PCEWrite[0x80] = HuCRAMWriteCDSpecial; // Hyper Dyne Special hack
MDFNMP_AddRAM(262144, 0x68 * 8192, ROMSpace + 0x68 * 8192);
if(PCE_ACEnabled)
{
arcade_card = new ArcadeCard();
if(!arcade_card)
{
MDFN_PrintError(_("Error creating %s object"), "ArcadeCard");
//Cleanup(); // TODO
return(0);
}
for(int x = 0x40; x < 0x44; x++)
{
HuCPUFastMap[x] = NULL;
PCERead[x] = ACPhysRead;
PCEWrite[x] = ACPhysWrite;
}
}
gzFile srp;
memset(SaveRAM, 0x00, 2048);
memcpy(SaveRAM, BRAM_Init_String, 8); // So users don't have to manually intialize the file cabinet
// in the CD BIOS screen.
if((srp = gzopen(MDFN_MakeFName(MDFNMKF_SAV, 0, "sav").c_str(), "rb")))
{
gzread(srp, SaveRAM, 2048);
gzclose(srp);
}
PCEWrite[0xF7] = SaveRAMWrite;
PCERead[0xF7] = SaveRAMRead;
MDFNMP_AddRAM(2048, 0xF7 * 8192, SaveRAM);
return(1);
}
MDFNGI *MDFNI_LoadGame(const char *force_module, const char *name)
{
MDFNFILE GameFile;
std::vector<FileExtensionSpecStruct> valid_iae;
MDFNGameInfo = MDFNGI_CORE;
MDFN_printf(_("Loading %s...\n"),name);
MDFN_indent(1);
// Construct a NULL-delimited list of known file extensions for MDFN_fopen()
const FileExtensionSpecStruct *curexts = MDFNGameInfo->FileExtensions;
while(curexts->extension && curexts->description)
{
valid_iae.push_back(*curexts);
curexts++;
}
if(!GameFile.Open(name, &valid_iae[0], _("game")))
{
MDFNGameInfo = NULL;
return 0;
}
MDFN_printf(_("Using module: %s(%s)\n\n"), MDFNGameInfo->shortname, MDFNGameInfo->fullname);
MDFN_indent(1);
//
// Load per-game settings
//
// Maybe we should make a "pgcfg" subdir, and automatically load all files in it?
// End load per-game settings
//
if(MDFNGameInfo->Load(name, &GameFile) <= 0)
{
GameFile.Close();
MDFN_indent(-2);
MDFNGameInfo = NULL;
return(0);
}
MDFN_LoadGameCheats(NULL);
MDFNMP_InstallReadPatches();
MDFN_ResetMessages(); // Save state, status messages, etc.
MDFN_indent(-2);
if(!MDFNGameInfo->name)
{
unsigned int x;
char *tmp;
MDFNGameInfo->name = (UTF8 *)strdup(GetFNComponent(name));
for(x=0;x<strlen((char *)MDFNGameInfo->name);x++)
{
if(MDFNGameInfo->name[x] == '_')
MDFNGameInfo->name[x] = ' ';
}
if((tmp = strrchr((char *)MDFNGameInfo->name, '.')))
*tmp = 0;
}
return(MDFNGameInfo);
}
int HuCLoadCD(const char *bios_path)
{
static const FileExtensionSpecStruct KnownBIOSExtensions[] =
{
{ ".pce", gettext_noop("PC Engine ROM Image") },
{ ".bin", gettext_noop("PC Engine ROM Image") },
{ ".bios", gettext_noop("BIOS Image") },
{ NULL, NULL }
};
MDFNFILE fp;
if(!fp.Open(bios_path, KnownBIOSExtensions, "CD BIOS"))
return(0);
memset(ROMSpace, 0xFF, 262144);
memcpy(ROMSpace, fp.f_data + (fp.f_size & 512), ((fp.f_size & ~512) > 262144) ? 262144 : (fp.f_size &~ 512) );
fp.Close();
PCE_IsCD = 1;
PCE_InitCD();
md5_context md5;
md5.starts();
MDFN_printf(_("Arcade Card Emulation: %s\n"), PCE_ACEnabled ? _("Enabled") : _("Disabled"));
for(int x = 0; x < 0x40; x++)
{
HuCPUFastMap[x] = ROMSpace;
PCERead[x] = HuCRead;
}
for(int x = 0x68; x < 0x88; x++)
{
HuCPUFastMap[x] = ROMSpace;
PCERead[x] = HuCRead;
PCEWrite[x] = HuCRAMWrite;
}
PCEWrite[0x80] = HuCRAMWriteCDSpecial; // Hyper Dyne Special hack
MDFNMP_AddRAM(262144, 0x68 * 8192, ROMSpace + 0x68 * 8192);
if(PCE_ACEnabled)
{
try
{
arcade_card = new ArcadeCard();
}
catch(std::exception &e)
{
MDFN_PrintError(_("Error creating %s object: %s"), "ArcadeCard", e.what());
return(0);
}
for(int x = 0x40; x < 0x44; x++)
{
HuCPUFastMap[x] = NULL;
PCERead[x] = ACPhysRead;
PCEWrite[x] = ACPhysWrite;
}
}
FILE *srp;
memset(SaveRAM, 0x00, 2048);
memcpy(SaveRAM, BRAM_Init_String, 8); // So users don't have to manually intialize the file cabinet
// in the CD BIOS screen.
if((srp = fopen(MDFN_MakeFName(MDFNMKF_SAV, 0, "sav").c_str(), "rb")))
{
fread(SaveRAM, 2048, 1, srp);
fclose(srp);
}
PCEWrite[0xF7] = SaveRAMWrite;
PCERead[0xF7] = SaveRAMRead;
MDFNMP_AddRAM(2048, 0xF7 * 8192, SaveRAM);
return(1);
}