static void LoadCommon(MDFNFILE *fp)
{
try
{
/* Assign default settings (US NTSC machine) */
sms.display = DISPLAY_NTSC;
sms.territory = MDFN_GetSettingI("sms.territory");
sms.use_fm = FALSE;
Cart_Init(fp);
Cart_LoadNV();
if(IS_SMS && sms.territory == TERRITORY_DOMESTIC)
sms.use_fm = MDFN_GetSettingB("sms.fm");
MDFNMP_Init(1024, 65536 / 1024);
system_assign_device(PORT_A, DEVICE_PAD2B);
system_assign_device(PORT_B, DEVICE_PAD2B);
MDFNMP_AddRAM(8192, 0xC000, sms.wram);
sms_init();
pio_init();
vdp_init(IS_SMS && sms.territory == TERRITORY_DOMESTIC);
render_init();
MDFNGameInfo->GameSetMD5Valid = FALSE;
uint32 sndclk;
if(sms.display == DISPLAY_PAL)
{
sndclk = 3546893;
MDFNGameInfo->fps = (uint32)((uint64)65536 * 256 * sndclk / 313 / 228); //6144000 * 65536 * 256 / 515 / 198); // 3072000 * 2 * 10000 / 515 / 198
}
else
{
sndclk = 3579545;
MDFNGameInfo->fps = (uint32)((uint64)65536 * 256 * sndclk / 262 / 228); //6144000 * 65536 * 256 / 515 / 198); // 3072000 * 2 * 10000 / 515 / 198
}
MDFNGameInfo->MasterClock = MDFN_MASTERCLOCK_FIXED(sndclk);
SMS_SoundInit(sndclk, sms.use_fm);
sms.save = 0;
system_reset();
}
catch(...)
{
Cleanup();
throw;
}
}
static void InitCommon(const char *name)
{
NESIsVSUni = FALSE;
PPU_hook = 0;
GameHBIRQHook = 0;
MapIRQHook = 0;
MMC5Hack = 0;
PAL &= 1;
MDFNGameInfo->GameType = GMT_CART;
MDFNGameInfo->VideoSystem = VIDSYS_NONE;
MDFNGameInfo->cspecial = NULL;
MDFNGameInfo->GameSetMD5Valid = FALSE;
if(MDFN_GetSettingB("nes.fnscan"))
{
const char *fn = GetFNComponent(name); // TODO: This seems awfully spaghetti-like/inefficient. Fixme?
if(strstr(fn, "(U)") || strstr(fn, "(USA)"))
MDFNGameInfo->VideoSystem = VIDSYS_NTSC;
else if(strstr(fn, "(J)") || strstr(fn, "(Japan)"))
MDFNGameInfo->VideoSystem = VIDSYS_NTSC;
else if(strstr(fn, "(E)") || strstr(fn, "(G)") || strstr(fn, "(Europe)") || strstr(fn, "(Germany)") )
MDFNGameInfo->VideoSystem = VIDSYS_PAL;
}
GameInterface = (NESGameType *)calloc(1, sizeof(NESGameType));
SetReadHandler(0x0000, 0xFFFF, ANull);
SetWriteHandler(0x0000, 0xFFFF, BNull);
SetReadHandler(0x10000,0x10000 + 0xFF, AOverflow);
SetWriteHandler(0x10000,0x10000 + 0xFF, BOverflow);
SetReadHandler(0,0x7FF,ARAML);
SetWriteHandler(0,0x7FF,BRAML);
SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */
SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
MDFNMP_Init(1024, 65536 / 1024);
#ifdef WANT_DEBUGGER
NESDBG_Init();
ASpace_Add(NESDBG_GetAddressSpaceBytes, NESDBG_PutAddressSpaceBytes, "cpu", "CPU", 16);
ASpace_Add(NESPPU_GetAddressSpaceBytes, NESPPU_PutAddressSpaceBytes, "ppu", "PPU", 14);
#endif
}
static MDFN_COLD void InitCommon(const std::string& fbase)
{
NESIsVSUni = false;
PPU_hook = 0;
GameHBIRQHook = 0;
MapIRQHook = 0;
MMC5Hack = 0;
PAL &= 1;
MDFNGameInfo->VideoSystem = VIDSYS_NONE;
MDFNGameInfo->cspecial = NULL;
if(MDFN_GetSettingB("nes.fnscan"))
{
if(fbase.find("(U)") != std::string::npos || fbase.find("(USA)") != std::string::npos)
MDFNGameInfo->VideoSystem = VIDSYS_NTSC;
else if(fbase.find("(J)") != std::string::npos || fbase.find("(Japan)") != std::string::npos)
MDFNGameInfo->VideoSystem = VIDSYS_NTSC;
else if(fbase.find("(E)") != std::string::npos || fbase.find("(G)") != std::string::npos || fbase.find("(F)") != std::string::npos ||
fbase.find("(Europe)") != std::string::npos || fbase.find("(Germany)") != std::string::npos || fbase.find("(France)") != std::string::npos)
MDFNGameInfo->VideoSystem = VIDSYS_PAL;
}
memset(&GameInterface, 0, sizeof(GameInterface));
SetReadHandler(0x0000, 0xFFFF, ANull);
SetWriteHandler(0x0000, 0xFFFF, BNull);
SetReadHandler(0x10000,0x10000 + 0xFF, AOverflow);
SetWriteHandler(0x10000,0x10000 + 0xFF, BOverflow);
SetReadHandler(0,0x7FF,ARAML);
SetWriteHandler(0,0x7FF,BRAML);
SetReadHandler(0x800,0x1FFF,ARAMH); /* Part of a little */
SetWriteHandler(0x800,0x1FFF,BRAMH); /* hack for a small speed boost. */
MDFNMP_Init(1024, 65536 / 1024);
#ifdef WANT_DEBUGGER
NESDBG_Init();
ASpace_Add(NESDBG_GetAddressSpaceBytes, NESDBG_PutAddressSpaceBytes, "cpu", "CPU", 16);
ASpace_Add(NESPPU_GetAddressSpaceBytes, NESPPU_PutAddressSpaceBytes, "ppu", "PPU", 14);
ASpace_Add(NESPPU_GetAddressSpaceBytes, NESPPU_PutAddressSpaceBytes, "spram", "Sprite RAM", 8);
#endif
}
static void Load(MDFNFILE *fp)
{
try
{
const uint64 fp_size = fp->size();
if(fp_size > 1024 * 1024 * 8) // 4MiB maximum ROM size, 2* to be a little tolerant of garbage.
throw MDFN_Error(0, _("NGP/NGPC ROM image is too large."));
ngpc_rom.length = fp_size;
ngpc_rom.data = new uint8[ngpc_rom.length];
fp->read(ngpc_rom.data, ngpc_rom.length);
md5_context md5;
md5.starts();
md5.update(ngpc_rom.data, ngpc_rom.length);
md5.finish(MDFNGameInfo->MD5);
rom_loaded();
MDFN_printf(_("ROM: %uKiB\n"), (ngpc_rom.length + 1023) / 1024);
MDFN_printf(_("ROM MD5: 0x%s\n"), md5_context::asciistr(MDFNGameInfo->MD5, 0).c_str());
FLASH_LoadNV();
MDFNMP_Init(1024, 1024 * 1024 * 16 / 1024);
NGPGfx = new NGPGFX_CLASS();
MDFNGameInfo->fps = (uint32)((uint64)6144000 * 65536 * 256 / 515 / 198); // 3072000 * 2 * 10000 / 515 / 198
MDFNGameInfo->GameSetMD5Valid = FALSE;
MDFNNGPCSOUND_Init();
MDFNMP_AddRAM(16384, 0x4000, CPUExRAM);
SetFRM(); // Set up fast read memory mapping
bios_install();
//main_timeaccum = 0;
z80_runtime = 0;
reset();
}
catch(...)
{
Cleanup();
throw;
}
}
static void LoadCommonPre(void)
{
// FIXME: Make these globals less global!
pce_overclocked = MDFN_GetSettingUI("pce_fast.ocmultiplier");
PCE_ACEnabled = MDFN_GetSettingB("pce_fast.arcadecard");
if(pce_overclocked > 1)
MDFN_printf(_("CPU overclock: %dx\n"), pce_overclocked);
if(MDFN_GetSettingUI("pce_fast.cdspeed") > 1)
MDFN_printf(_("CD-ROM speed: %ux\n"), (unsigned int)MDFN_GetSettingUI("pce_fast.cdspeed"));
memset(HuCPUFastMap, 0, sizeof(HuCPUFastMap));
for(int x = 0; x < 0x100; x++)
{
PCERead[x] = PCEBusRead;
PCEWrite[x] = PCENullWrite;
}
MDFNMP_Init(1024, (1 << 21) / 1024);
}
static int Load(const char *name, MDFNFILE *fp)
{
if(!(ngpc_rom.data = (uint8 *)MDFN_malloc(GET_FSIZE_PTR(fp), _("Cart ROM"))))
return(0);
ngpc_rom.length = GET_FSIZE_PTR(fp);
memcpy(ngpc_rom.data, GET_FDATA_PTR(fp), GET_FSIZE_PTR(fp));
md5_context md5;
md5.starts();
md5.update(ngpc_rom.data, ngpc_rom.length);
md5.finish(MDFNGameInfo->MD5);
rom_loaded();
MDFN_printf(_("ROM: %dKiB\n"), (ngpc_rom.length + 1023) / 1024);
MDFN_printf(_("ROM MD5: 0x%s\n"), md5_context::asciistr(MDFNGameInfo->MD5, 0).c_str());
MDFNMP_Init(1024, 1024 * 1024 * 16 / 1024);
NGPGfx = new NGPGFX_CLASS();
MDFNGameInfo->fps = (uint32)((uint64)6144000 * 65536 * 256 / 515 / 198); // 3072000 * 2 * 10000 / 515 / 198
MDFNGameInfo->GameSetMD5Valid = FALSE;
MDFNNGPCSOUND_Init();
MDFNMP_AddRAM(16384, 0x4000, CPUExRAM);
SetFRM(); // Set up fast read memory mapping
bios_install();
//main_timeaccum = 0;
z80_runtime = 0;
reset();
return(1);
}
static void LoadCommonPre(void)
{
HuC6280_Init();
// FIXME: Make these globals less global!
pce_overclocked = MDFN_GetSettingUI("pce_fast.ocmultiplier");
PCE_ACEnabled = MDFN_GetSettingB("pce_fast.arcadecard");
if(pce_overclocked > 1)
MDFN_printf(_("CPU overclock: %dx\n"), pce_overclocked);
if(MDFN_GetSettingUI("pce_fast.cdspeed") > 1)
MDFN_printf(_("CD-ROM speed: %ux\n"), (unsigned int)MDFN_GetSettingUI("pce_fast.cdspeed"));
for(int x = 0; x < 0x100; x++)
{
HuCPU.PCERead[x] = PCEBusRead;
HuCPU.PCEWrite[x] = PCENullWrite;
}
MDFNMP_Init(1024, (1 << 21) / 1024);
sbuf = new Blip_Buffer[2];
}
static int ModuleLoad ()
{
//Load the BIOS
MDFNFILE biosFile;
if(biosFile.Open(MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, MDFN_GetSettingS("pcsxr.bios").c_str()).c_str(), 0))
{
if(biosFile.size == 512 * 1024)
{
memcpy(BiosBuffer, biosFile.data, 512 * 1024);
}
else
{
MDFN_printf("pcsxr: BIOS file size incorrect\n");
}
}
else
{
MDFN_printf("pcsxr: Failed to load bios\n");
return 0;
}
//Setup the config structure
memset(&Config, 0, sizeof(Config));
Config.PsxAuto = 1;
Config.Cpu = MDFN_GetSettingB("pcsxr.recompiler") ? CPU_DYNAREC : CPU_INTERPRETER;
Config.SlowBoot = MDFN_GetSettingB("pcsxr.slowboot");
strcpy(Config.PluginsDir, "builtin");
strcpy(Config.Gpu, "builtin");
strcpy(Config.Spu, "builtin");
strcpy(Config.Pad1, "builtin");
strcpy(Config.Pad2, "builtin");
strcpy(Config.Cdr, "builtin");
strcpy(Config.Net, "Disabled");
strncpy(Config.Mcd1, MDFN_MakeFName(MDFNMKF_SAV, 0, "sav").c_str(), MAXPATHLEN);
strncpy(Config.Mcd2, MDFN_MakeFName(MDFNMKF_SAV, 0, "sav2").c_str(), MAXPATHLEN);
//Init psx cpu emulator and memory mapping
EmuInit();
//Open and initialize all of the plugins
OpenPlugins();
//Load memory cards
LoadMcds(Config.Mcd1, Config.Mcd2);
//Get cdrom ID and init PPF support...
CheckCdrom();
//Reset the emulated CPU and Memory
EmuReset();
//Prepares the game to run, either runs the CPU thru the bios or finds and loads the game EXE if using the emulated bios
LoadCdrom();
//TODO: Set the clock if the machine is PAL
//Just say two 1M pages, for fun not profit
MDFNMP_Init(1024 * 1024, 2);
MDFNMP_AddRAM(1024 * 1024 * 2, 0, (uint8_t*)psxM);
return 1;
}
static void LoadCommonPost(const md_game_info &ginfo)
{
MDFN_printf(_("ROM: %dKiB\n"), (ginfo.rom_size + 1023) / 1024);
MDFN_printf(_("ROM CRC32: 0x%08x\n"), ginfo.crc32);
MDFN_printf(_("ROM MD5: 0x%s\n"), md5_context::asciistr(ginfo.md5, 0).c_str());
MDFN_printf(_("Header MD5: 0x%s\n"), md5_context::asciistr(ginfo.info_header_md5, 0).c_str());
MDFN_printf(_("Product Code: %s\n"), ginfo.product_code);
MDFN_printf(_("Domestic name: %s\n"), ginfo.domestic_name); // TODO: Character set conversion(shift_jis -> utf-8)
MDFN_printf(_("Overseas name: %s\n"), ginfo.overseas_name);
MDFN_printf(_("Copyright: %s\n"), ginfo.copyright);
if(ginfo.checksum == ginfo.checksum_real)
MDFN_printf(_("Checksum: 0x%04x\n"), ginfo.checksum);
else
MDFN_printf(_("Checksum: 0x%04x\n Warning: calculated checksum(0x%04x) does not match\n"), ginfo.checksum, ginfo.checksum_real);
MDFN_printf(_("Supported I/O devices:\n"));
MDFN_indent(1);
for(unsigned int iot = 0; iot < sizeof(IO_types) / sizeof(IO_type_t); iot++)
{
if(ginfo.io_support & (1 << IO_types[iot].id))
MDFN_printf(_("%s\n"), _(IO_types[iot].name));
}
MDFN_indent(-1);
MDFNMP_Init(8192, (1 << 24) / 8192);
MDFNMP_AddRAM(65536, 0x7 << 21, work_ram);
MDFNGameInfo->GameSetMD5Valid = FALSE;
MDSound_Init();
MDFN_printf(_("Supported regions:\n"));
MDFN_indent(1);
if(ginfo.region_support & REGIONMASK_JAPAN_NTSC)
MDFN_printf(_("Japan/Domestic NTSC\n"));
if(ginfo.region_support & REGIONMASK_JAPAN_PAL)
MDFN_printf(_("Japan/Domestic PAL\n"));
if(ginfo.region_support & REGIONMASK_OVERSEAS_NTSC)
MDFN_printf(_("Overseas NTSC\n"));
if(ginfo.region_support & REGIONMASK_OVERSEAS_PAL)
MDFN_printf(_("Overseas PAL\n"));
MDFN_indent(-1);
{
const int region_setting = MDFN_GetSettingI("md.region");
const int reported_region_setting = MDFN_GetSettingI("md.reported_region");
// Default, in case the game doesn't support any regions!
bool game_overseas = TRUE;
bool game_pal = FALSE;
bool overseas;
bool pal;
bool overseas_reported;
bool pal_reported;
// Preference order, TODO: Make it configurable
if(ginfo.region_support & REGIONMASK_OVERSEAS_NTSC)
{
game_overseas = TRUE;
game_pal = FALSE;
}
else if(ginfo.region_support & REGIONMASK_JAPAN_NTSC)
{
game_overseas = FALSE;
game_pal = FALSE;
}
else if(ginfo.region_support & REGIONMASK_OVERSEAS_PAL)
{
game_overseas = TRUE;
game_pal = TRUE;
}
else if(ginfo.region_support & REGIONMASK_JAPAN_PAL) // WTF?
{
game_overseas = FALSE;
game_pal = TRUE;
}
if(region_setting == REGION_GAME)
{
overseas = game_overseas;
pal = game_pal;
}
else
{
decode_region_setting(region_setting, overseas, pal);
}
if(reported_region_setting == REGION_GAME)
{
overseas_reported = game_overseas;
pal_reported = game_pal;
}
else if(reported_region_setting == REGION_SAME)
{
overseas_reported = overseas;
pal_reported = pal;
}
else
{
decode_region_setting(reported_region_setting, overseas_reported, pal_reported);
}
MDFN_printf("\n");
MDFN_printf(_("Active Region: %s %s\n"), overseas ? _("Overseas") : _("Domestic"), pal ? _("PAL") : _("NTSC"));
MDFN_printf(_("Active Region Reported: %s %s\n"), overseas_reported ? _("Overseas") : _("Domestic"), pal_reported ? _("PAL") : _("NTSC"));
system_init(overseas, pal, overseas_reported, pal_reported);
if(pal)
MDFNGameInfo->nominal_height = 240;
else
MDFNGameInfo->nominal_height = 224;
MDFNGameInfo->MasterClock = MDFN_MASTERCLOCK_FIXED(pal ? CLOCK_PAL : CLOCK_NTSC);
if(pal)
MDFNGameInfo->fps = (int64)CLOCK_PAL * 65536 * 256 / (313 * 3420);
else
MDFNGameInfo->fps = (int64)CLOCK_NTSC * 65536 * 256 / (262 * 3420);
//printf("%f\n", (double)MDFNGameInfo->fps / 65536 / 256);
}
if(MDFN_GetSettingB("md.correct_aspect"))
{
MDFNGameInfo->nominal_width = 292;
MDFNGameInfo->lcm_width = 1280;
}
else
{
MDFNGameInfo->nominal_width = 320;
MDFNGameInfo->lcm_width = 320;
}
MDFNGameInfo->lcm_height = MDFNGameInfo->nominal_height * 2;
MDFNGameInfo->LayerNames = "BG0\0BG1\0OBJ\0";
//
//
{
unsigned mtt = MDFN_GetSettingUI("md.input.multitap");
if(MDFN_GetSettingB("md.input.auto"))
{
for(auto const& e : InputDB)
{
if(e.crc32 == ginfo.crc32 && (!e.prod_code || !strcmp(e.prod_code, ginfo.product_code)))
{
MDFNGameInfo->DesiredInput.resize(8);
for(unsigned n = e.max_players; n < 8; n++) // Particularly for Gauntlet 4.
MDFNGameInfo->DesiredInput[n] = "none";
mtt = e.tap;
break;
}
}
}
for(const auto* mte = MultiTap_List; mte->string; mte++)
{
if((unsigned)mte->number == mtt)
{
MDFN_printf(_("Active Multitap(s): %s\n"), mte->description);
break;
}
}
MDINPUT_SetMultitap(mtt);
}
//
//
system_reset(true);
}
CSystem::CSystem(const uint8 *filememory, int32 filesize)
:mCart(NULL),
mRom(NULL),
mMemMap(NULL),
mRam(NULL),
mCpu(NULL),
mMikie(NULL),
mSusie(NULL)
{
mFileType=HANDY_FILETYPE_LNX;
if(filesize < 11)
MDFN_Error(0, _("Lynx ROM image is too short: %u bytes"), filesize);
char clip[11];
memcpy(clip,filememory,11);
clip[4]=0;
clip[10]=0;
if(!strcmp(&clip[6],"BS93")) mFileType=HANDY_FILETYPE_HOMEBREW;
else if(!strcmp(&clip[0],"LYNX")) mFileType=HANDY_FILETYPE_LNX;
else
{
throw MDFN_Error(0, _("File format is unknown to module \"%s\"."), MDFNGameInfo->shortname);
}
MDFNMP_Init(65536, 1);
// Create the system objects that we'll use
// Attempt to load the cartridge errors caught above here...
mRom = new CRom(MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, "lynxboot.img").c_str());
// An exception from this will be caught by the level above
switch(mFileType)
{
case HANDY_FILETYPE_LNX:
mCart = new CCart(filememory,filesize);
mRam = new CRam(0,0);
break;
case HANDY_FILETYPE_HOMEBREW:
{
#if 0
static uint8 dummy_cart[CCart::HEADER_RAW_SIZE + 65536] =
{
'L', 'Y', 'N', 'X', 0x00, 0x01, 0x00, 0x00,
0x01, 0x00,
};
mCart = new CCart(dummy_cart, sizeof(dummy_cart));
#else
mCart = new CCart(NULL, 0);
#endif
mRam = new CRam(filememory,filesize);
}
break;
case HANDY_FILETYPE_SNAPSHOT:
case HANDY_FILETYPE_ILLEGAL:
default:
mCart = new CCart(0,0);
mRam = new CRam(0,0);
break;
}
// These can generate exceptions
mMikie = new CMikie(*this);
mSusie = new CSusie(*this);
// Instantiate the memory map handler
mMemMap = new CMemMap(*this);
// Now the handlers are set we can instantiate the CPU as is will use handlers on reset
mCpu = new C65C02(*this);
// Now init is complete do a reset, this will cause many things to be reset twice
// but what the hell, who cares, I don't.....
Reset();
}
static int LoadCommon(MDFNFILE *fp)
{
int32 size = fp->size;
const uint8 *data_ptr = fp->data;
if(size & 512)
{
size -= 512;
data_ptr += 512;
}
/* Assign default settings (US NTSC machine) */
sms.display = DISPLAY_NTSC;
sms.territory = MDFN_GetSettingI("sms.territory");
sms.use_fm = FALSE;
if(!SMS_CartInit(data_ptr, size))
return(0);
if(IS_SMS && sms.territory == TERRITORY_DOMESTIC)
sms.use_fm = MDFN_GetSettingB("sms.fm");
MDFNMP_Init(1024, 65536 / 1024);
system_assign_device(PORT_A, DEVICE_PAD2B);
system_assign_device(PORT_B, DEVICE_PAD2B);
MDFNMP_AddRAM(8192, 0xC000, sms.wram);
sms_init();
pio_init();
vdp_init(IS_SMS && sms.territory == TERRITORY_DOMESTIC);
render_init();
MDFNGameInfo->GameSetMD5Valid = FALSE;
uint32 sndclk;
if(sms.display == DISPLAY_PAL)
{
sndclk = 3546893;
MDFNGameInfo->fps = (uint32)((uint64)65536 * 256 * sndclk / 313 / 228); //6144000 * 65536 * 256 / 515 / 198); // 3072000 * 2 * 10000 / 515 / 198
}
else
{
sndclk = 3579545;
MDFNGameInfo->fps = (uint32)((uint64)65536 * 256 * sndclk / 262 / 228); //6144000 * 65536 * 256 / 515 / 198); // 3072000 * 2 * 10000 / 515 / 198
}
MDFNGameInfo->MasterClock = MDFN_MASTERCLOCK_FIXED(sndclk);
SMS_SoundInit(sndclk, sms.use_fm);
sms.save = 0;
system_reset();
return(1);
}
CSystem::CSystem(const uint8 *filememory, int32 filesize)
:mCart(NULL),
mRom(NULL),
mMemMap(NULL),
mRam(NULL),
mCpu(NULL),
mMikie(NULL),
mSusie(NULL)
{
mFileType=HANDY_FILETYPE_LNX;
if(filesize < 11) throw(-1);
char clip[11];
memcpy(clip,filememory,11);
clip[4]=0;
clip[10]=0;
if(!strcmp(&clip[6],"BS93")) mFileType=HANDY_FILETYPE_HOMEBREW;
else if(!strcmp(&clip[0],"LYNX")) mFileType=HANDY_FILETYPE_LNX;
else
{
throw(-1);
//CLynxException lynxerr;
//delete filememory;
//mFileType=HANDY_FILETYPE_ILLEGAL;
//lynxerr.Message() << "Handy Error: File format invalid!";
//lynxerr.Description()
// << "The image you selected was not a recognised game cartridge format." << endl
// << "(see the Handy User Guide for more information).";
//throw(lynxerr);
}
MDFNMP_Init(65536, 1);
// Create the system objects that we'll use
// Attempt to load the cartridge errors caught above here...
mRom = new CRom(MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, "lynxboot.img").c_str());
// An exception from this will be caught by the level above
switch(mFileType)
{
case HANDY_FILETYPE_LNX:
mCart = new CCart(filememory,filesize);
mRam = new CRam(0,0);
break;
case HANDY_FILETYPE_HOMEBREW:
{
#if 0
static uint8 dummy_cart[CCart::HEADER_RAW_SIZE + 65536] =
{
'L', 'Y', 'N', 'X', 0x00, 0x01, 0x00, 0x00,
0x01, 0x00,
};
mCart = new CCart(dummy_cart, sizeof(dummy_cart));
#else
mCart = new CCart(NULL, 0);
#endif
mRam = new CRam(filememory,filesize);
}
break;
case HANDY_FILETYPE_SNAPSHOT:
case HANDY_FILETYPE_ILLEGAL:
default:
mCart = new CCart(0,0);
mRam = new CRam(0,0);
break;
}
// These can generate exceptions
mMikie = new CMikie(*this);
mSusie = new CSusie(*this);
// Instantiate the memory map handler
mMemMap = new CMemMap(*this);
// Now the handlers are set we can instantiate the CPU as is will use handlers on reset
mCpu = new C65C02(*this);
// Now init is complete do a reset, this will cause many things to be reset twice
// but what the hell, who cares, I don't.....
Reset();
}
static int Load(const char *name, MDFNFILE *fp)
{
uint32 real_rom_size;
if(fp->size < 65536)
{
MDFN_PrintError(_("%s ROM image is too small."), MDFNGameInfo->fullname);
return(0);
}
if(!memcmp(fp->data + fp->size - 0x20, "WSRF", 4))
{
const uint8 *wsr_footer = fp->data + fp->size - 0x20;
IsWSR = TRUE;
WSRCurrentSong = wsr_footer[0x5];
Player_Init(256, "", "", "");
}
else
IsWSR = false;
real_rom_size = (fp->size + 0xFFFF) & ~0xFFFF;
rom_size = round_up_pow2(real_rom_size); //fp->size);
wsCartROM = (uint8 *)calloc(1, rom_size);
// This real_rom_size vs rom_size funny business is intended primarily for handling
// WSR files.
if(real_rom_size < rom_size)
memset(wsCartROM, 0xFF, rom_size - real_rom_size);
memcpy(wsCartROM + (rom_size - real_rom_size), fp->data, fp->size);
MDFN_printf(_("ROM: %dKiB\n"), real_rom_size / 1024);
md5_context md5;
md5.starts();
md5.update(wsCartROM, rom_size);
md5.finish(MDFNGameInfo->MD5);
MDFN_printf(_("ROM MD5: 0x%s\n"), md5_context::asciistr(MDFNGameInfo->MD5, 0).c_str());
uint8 header[10];
memcpy(header, wsCartROM + rom_size - 10, 10);
{
const char *developer_name = "???";
for(unsigned int x = 0; x < sizeof(Developers) / sizeof(DLEntry); x++)
{
if(Developers[x].id == header[0])
{
developer_name = Developers[x].name;
break;
}
}
MDFN_printf(_("Developer: %s (0x%02x)\n"), developer_name, header[0]);
}
uint32 SRAMSize = 0;
eeprom_size = 0;
switch(header[5])
{
case 0x01: SRAMSize = 8*1024; break;
case 0x02: SRAMSize = 32*1024; break;
case 0x03: SRAMSize = 16 * 65536; break;
case 0x04: SRAMSize = 32 * 65536; break; // Dicing Knight!
case 0x10: eeprom_size = 128; break;
case 0x20: eeprom_size = 2*1024; break;
case 0x50: eeprom_size = 1024; break;
}
//printf("%02x\n", header[5]);
if(eeprom_size)
MDFN_printf(_("EEPROM: %d bytes\n"), eeprom_size);
if(SRAMSize)
MDFN_printf(_("Battery-backed RAM: %d bytes\n"), SRAMSize);
MDFN_printf(_("Recorded Checksum: 0x%04x\n"), header[8] | (header[9] << 8));
{
uint16 real_crc = 0;
for(unsigned int i = 0; i < rom_size - 2; i++)
real_crc += wsCartROM[i];
MDFN_printf(_("Real Checksum: 0x%04x\n"), real_crc);
}
if((header[8] | (header[9] << 8)) == 0x8de1 && (header[0]==0x01)&&(header[2]==0x27)) /* Detective Conan */
{
//puts("HAX");
/* WS cpu is using cache/pipeline or there's protected ROM bank where pointing CS */
wsCartROM[0xfffe8]=0xea;
wsCartROM[0xfffe9]=0x00;
wsCartROM[0xfffea]=0x00;
wsCartROM[0xfffeb]=0x00;
wsCartROM[0xfffec]=0x20;
}
if(!IsWSR)
{
if(header[6] & 0x1)
MDFNGameInfo->rotated = MDFN_ROTATE90;
}
MDFNMP_Init(16384, (1 << 20) / 1024);
#ifdef WANT_DEBUGGER
WSwanDBG_Init();
#endif
v30mz_init(WSwan_readmem20, WSwan_writemem20, WSwan_readport, WSwan_writeport);
WSwan_MemoryInit(MDFN_GetSettingB("wswan.language"), wsc, SRAMSize, IsWSR); // EEPROM and SRAM are loaded in this func.
WSwan_GfxInit();
MDFNGameInfo->fps = (uint32)((uint64)3072000 * 65536 * 256 / (159*256));
MDFNGameInfo->GameSetMD5Valid = FALSE;
WSwan_SoundInit();
wsMakeTiles();
Reset();
return(1);
}
CSystem::CSystem(MDFNFILE* fp)
{
mFileType = HANDY_FILETYPE_LNX;
char clip[11];
fp->read(clip, 11);
fp->seek(0, SEEK_SET);
clip[4]=0;
clip[10]=0;
if(!strcmp(&clip[6],"BS93"))
mFileType = HANDY_FILETYPE_HOMEBREW;
else if(!strcmp(&clip[0],"LYNX"))
mFileType = HANDY_FILETYPE_LNX;
else
{
throw MDFN_Error(0, _("File format is unknown to module \"%s\"."), MDFNGameInfo->shortname);
}
MDFNMP_Init(65536, 1);
// Create the system objects that we'll use
// Attempt to load the cartridge errors caught above here...
mRom.reset(new CRom(MDFN_MakeFName(MDFNMKF_FIRMWARE, 0, "lynxboot.img").c_str()));
// An exception from this will be caught by the level above
switch(mFileType)
{
default: abort();
break;
case HANDY_FILETYPE_LNX:
mCart.reset(new CCart(fp->stream()));
mRam.reset(new CRam(NULL));
break;
case HANDY_FILETYPE_HOMEBREW:
{
mCart.reset(new CCart(NULL));
mRam.reset(new CRam(fp->stream()));
}
break;
}
// These can generate exceptions
mMikie.reset(new CMikie(*this));
mSusie.reset(new CSusie(*this));
// Instantiate the memory map handler
mMemMap.reset(new CMemMap(*this));
// Now the handlers are set we can instantiate the CPU as is will use handlers on reset
mCpu.reset(new C65C02(*this));
// Now init is complete do a reset, this will cause many things to be reset twice
// but what the hell, who cares, I don't.....
Reset();
}
