[pcsx_rearmed.git] / libpcsxcore / database.c

#include "misc.h"
#include "sio.h"
#include "ppf.h"
#include "new_dynarec/new_dynarec.h"
#include "lightrec/plugin.h"

/* It's duplicated from emu_if.c */
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))

/* Corresponds to LIGHTREC_OPT_INV_DMA_ONLY of lightrec.h */
#define LIGHTREC_HACK_INV_DMA_ONLY (1 << 0)

u32 lightrec_hacks;

static const char * const MemorycardHack_db[] =
{
	/* Lifeforce Tenka, also known as Codename Tenka */
	"SLES00613", "SLED00690", "SLES00614", "SLES00615",
	"SLES00616", "SLES00617", "SCUS94409"
};

static const char * const cdr_read_hack_db[] =
{
	/* T'ai Fu - Wrath of the Tiger */
	"SLUS00787",
};

static const char * const gpu_slow_llist_db[] =
{
	/* Bomberman Fantasy Race */
	"SLES01712", "SLPS01525", "SLPS91138", "SLPM87102", "SLUS00823",
	/* Crash Bash */
	"SCES02834", "SCUS94570", "SCUS94616", "SCUS94654",
	/* Final Fantasy IV */
	"SCES03840", "SLPM86028", "SLUS01360",
	/* Spot Goes to Hollywood */
	"SLES00330", "SLPS00394", "SLUS00014",
	/* Vampire Hunter D */
	"SLES02731", "SLPS02477", "SLPS03198", "SLUS01138",
};

static const char * const gpu_busy_hack_db[] =
{
	/* ToHeart (Japan) */
	"SLPS01919", "SLPS01920",
};

static const char * const gpu_centering_hack_db[] =
{
	/* Gradius Gaiden */
	"SLPM86042", "SLPM86103", "SLPM87323",
	/* Sexy Parodius */
	"SLPM86009",
};

static const char * const dualshock_init_analog_hack_db[] =
{
	/* Formula 1 Championship Edition */
	"SLUS00546",
	/* Gran Turismo 2 */
	"SCUS94455", "SCUS94488", "SCPS10116", "SCPS10117", "SCES02380", "SCES-12380",
};

#define HACK_ENTRY(var, list) \
	{ #var, &Config.hacks.var, list, ARRAY_SIZE(list) }

static const struct
{
	const char *name;
	boolean *var;
	const char * const * id_list;
	size_t id_list_len;
}
hack_db[] =
{
	HACK_ENTRY(cdr_read_timing, cdr_read_hack_db),
	HACK_ENTRY(gpu_slow_list_walking, gpu_slow_llist_db),
	HACK_ENTRY(gpu_busy, gpu_busy_hack_db),
	HACK_ENTRY(gpu_centering, gpu_centering_hack_db),
	HACK_ENTRY(dualshock_init_analog, dualshock_init_analog_hack_db),
};

static const struct
{
	int mult;
	const char * const id[4];
}
cycle_multiplier_overrides[] =
{
	/* note: values are = (10000 / gui_option) */
	/* Internal Section - fussy about timings */
	{ 202, { "SLPS01868" } },
	/* Super Robot Taisen Alpha - on the edge with 175,
	 * changing memcard settings is enough to break/unbreak it */
	{ 190, { "SLPS02528", "SLPS02636" } },
	/* Brave Fencer Musashi - cd sectors arrive too fast */
	{ 170, { "SLUS00726", "SLPS01490" } },
#if defined(DRC_DISABLE) || defined(LIGHTREC) /* new_dynarec has a hack for this game */
	/* Parasite Eve II - internal timer checks */
	{ 125, { "SLUS01042", "SLUS01055", "SLES02558", "SLES12558" } },
#endif
	/* Discworld Noir - audio skips if CPU runs too fast */
	{ 222, { "SLES01549", "SLES02063", "SLES02064" } },
	/* Judge Dredd - could also be poor MDEC timing */
	{ 128, { "SLUS00630", "SLES00755" } },
	/* Digimon World */
	{ 153, { "SLUS01032", "SLES02914" } },
	/* Syphon Filter - reportedly hangs under unknown conditions */
	{ 169, { "SCUS94240" } },
	/* Psychic Detective - some weird race condition in the game's cdrom code */
	{ 222, { "SLUS00165", "SLUS00166", "SLUS00167" } },
	{ 222, { "SLES00070", "SLES10070", "SLES20070" } },
};

static const struct
{
	const char * const id;
	u32 hacks;
}
lightrec_hacks_db[] =
{
	/* Formula One Arcade */
	{ "SCES03886", LIGHTREC_HACK_INV_DMA_ONLY },

	/* Formula One '99 */
	{ "SLUS00870", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCPS10101", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES01979", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SLES01979", LIGHTREC_HACK_INV_DMA_ONLY },

	/* Formula One 2000 */
	{ "SLUS01134", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES02777", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES02778", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES02779", LIGHTREC_HACK_INV_DMA_ONLY },

	/* Formula One 2001 */
	{ "SCES03404", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES03423", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES03424", LIGHTREC_HACK_INV_DMA_ONLY },
	{ "SCES03524", LIGHTREC_HACK_INV_DMA_ONLY },
};

/* Function for automatic patching according to GameID. */
void Apply_Hacks_Cdrom(void)
{
	size_t i, j;

	memset(&Config.hacks, 0, sizeof(Config.hacks));

	for (i = 0; i < ARRAY_SIZE(hack_db); i++)
	{
		for (j = 0; j < hack_db[i].id_list_len; j++)
		{
			if (strncmp(CdromId, hack_db[i].id_list[j], 9))
				continue;
			*hack_db[i].var = 1;
			SysPrintf("using hack: %s\n", hack_db[i].name);
			break;
		}
	}

	if (Config.hacks.dualshock_init_analog) {
		// assume the default is off, see LoadPAD1plugin()
		for (i = 0; i < 8; i++)
			padToggleAnalog(i);
	}

	/* Apply Memory card hack for Codename Tenka. (The game needs one of the memory card slots to be empty) */
	for (i = 0; i < ARRAY_SIZE(MemorycardHack_db); i++)
	{
		if (strncmp(CdromId, MemorycardHack_db[i], 9) == 0)
		{
			/* Disable the second memory card slot for the game */
			Config.Mcd2[0] = 0;
			/* This also needs to be done because in sio.c, they don't use Config.Mcd2 for that purpose */
			McdDisable[1] = 1;
			break;
		}
	}

	/* Dynarec game-specific hacks */
	new_dynarec_hacks_pergame = 0;
	Config.cycle_multiplier_override = 0;

	for (i = 0; i < ARRAY_SIZE(cycle_multiplier_overrides); i++)
	{
		const char * const * const ids = cycle_multiplier_overrides[i].id;
		for (j = 0; j < ARRAY_SIZE(cycle_multiplier_overrides[i].id); j++)
			if (ids[j] && strcmp(ids[j], CdromId) == 0)
				break;
		if (j < ARRAY_SIZE(cycle_multiplier_overrides[i].id))
		{
			Config.cycle_multiplier_override = cycle_multiplier_overrides[i].mult;
			new_dynarec_hacks_pergame |= NDHACK_OVERRIDE_CYCLE_M;
			SysPrintf("using cycle_multiplier_override: %d\n",
				Config.cycle_multiplier_override);
			break;
		}
	}

	lightrec_hacks = 0;

	for (i = 0; drc_is_lightrec() && i < ARRAY_SIZE(lightrec_hacks_db); i++) {
		if (strcmp(CdromId, lightrec_hacks_db[i].id) == 0)
		{
			lightrec_hacks = lightrec_hacks_db[i].hacks;
			SysPrintf("using lightrec_hacks: 0x%x\n", lightrec_hacks);
			break;
		}
	}
}

// from duckstation's gamedb.json
static const u16 libcrypt_ids[] = {
	   17,   311,   995,  1041,  1226,  1241,  1301,  1362,  1431,  1444,
	 1492,  1493,  1494,  1495,  1516,  1517,  1518,  1519,  1545,  1564,
	 1695,  1700,  1701,  1702,  1703,  1704,  1715,  1733,  1763,  1882,
	 1906,  1907,  1909,  1943,  1979,  2004,  2005,  2006,  2007,  2024,
	 2025,  2026,  2027,  2028,  2029,  2030,  2031,  2061,  2071,  2080,
	 2081,  2082,  2083,  2084,  2086,  2104,  2105,  2112,  2113,  2118,
	 2181,  2182,  2184,  2185,  2207,  2208,  2209,  2210,  2211,  2222,
	 2264,  2290,  2292,  2293,  2328,  2329,  2330,  2354,  2355,  2365,
	 2366,  2367,  2368,  2369,  2395,  2396,  2402,  2430,  2431,  2432,
	 2433,  2487,  2488,  2489,  2490,  2491,  2529,  2530,  2531,  2532,
	 2533,  2538,  2544,  2545,  2546,  2558,  2559,  2560,  2561,  2562,
	 2563,  2572,  2573,  2681,  2688,  2689,  2698,  2700,  2704,  2705,
	 2706,  2707,  2708,  2722,  2723,  2724,  2733,  2754,  2755,  2756,
	 2763,  2766,  2767,  2768,  2769,  2824,  2830,  2831,  2834,  2835,
	 2839,  2857,  2858,  2859,  2860,  2861,  2862,  2965,  2966,  2967,
	 2968,  2969,  2975,  2976,  2977,  2978,  2979,  3061,  3062,  3189,
	 3190,  3191,  3241,  3242,  3243,  3244,  3245,  3324,  3489,  3519,
	 3520,  3521,  3522,  3523,  3530,  3603,  3604,  3605,  3606,  3607,
	 3626,  3648, 12080, 12081, 12082, 12083, 12084, 12328, 12329, 12330,
	12558, 12559, 12560, 12561, 12562, 12965, 12966, 12967, 12968, 12969,
	22080, 22081, 22082, 22083, 22084, 22328, 22329, 22330, 22965, 22966,
	22967, 22968, 22969, 32080, 32081, 32082, 32083, 32084, 32965, 32966,
	32967, 32968, 32969
};

// as documented by nocash
static const u16 libcrypt_sectors[16] = {
	14105, 14231, 14485, 14579, 14649, 14899, 15056, 15130,
	15242, 15312, 15378, 15628, 15919, 16031, 16101, 16167
};

int check_unsatisfied_libcrypt(void)
{
	const char *p = CdromId + 4;
	u16 id, key = 0;
	size_t i;

	if (strncmp(CdromId, "SCE", 3) && strncmp(CdromId, "SLE", 3))
		return 0;
	while (*p == '0')
		p++;
	id = (u16)atoi(p);
	for (i = 0; i < ARRAY_SIZE(libcrypt_ids); i++)
		if (id == libcrypt_ids[i])
			break;
	if (i == ARRAY_SIZE(libcrypt_ids))
		return 0;

	// detected a protected game
	if (!CDR_getBufferSub(libcrypt_sectors[0]) && !sbi_sectors) {
		SysPrintf("==================================================\n");
		SysPrintf("LibCrypt game detected with missing SBI/subchannel\n");
		SysPrintf("==================================================\n");
		return 1;
	}

	if (sbi_sectors) {
		// calculate key just for fun (we don't really need it)
		for (i = 0; i < 16; i++)
			if (CheckSBI(libcrypt_sectors[i] - 2*75))
				key |= 1u << (15 - i);
	}
	if (key)
		SysPrintf("%s, possible key=%04X\n", "LibCrypt detected", key);
	else
		SysPrintf("%s\n", "LibCrypt detected");
	return 0;
}
Commit	Line	Data
	1	#include "misc.h"
	2	#include "sio.h"
	3	#include "ppf.h"
	4	#include "new_dynarec/new_dynarec.h"
	5	#include "lightrec/plugin.h"
	6
	7	/* It's duplicated from emu_if.c */
	8	#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
	9
	10	/* Corresponds to LIGHTREC_OPT_INV_DMA_ONLY of lightrec.h */
	11	#define LIGHTREC_HACK_INV_DMA_ONLY (1 << 0)
	12
	13	u32 lightrec_hacks;
	14
	15	static const char * const MemorycardHack_db[] =
	16	{
	17	/* Lifeforce Tenka, also known as Codename Tenka */
	18	"SLES00613", "SLED00690", "SLES00614", "SLES00615",
	19	"SLES00616", "SLES00617", "SCUS94409"
	20	};
	21
	22	static const char * const cdr_read_hack_db[] =
	23	{
	24	/* T'ai Fu - Wrath of the Tiger */
	25	"SLUS00787",
	26	};
	27
	28	static const char * const gpu_slow_llist_db[] =
	29	{
	30	/* Bomberman Fantasy Race */
	31	"SLES01712", "SLPS01525", "SLPS91138", "SLPM87102", "SLUS00823",
	32	/* Crash Bash */
	33	"SCES02834", "SCUS94570", "SCUS94616", "SCUS94654",
	34	/* Final Fantasy IV */
	35	"SCES03840", "SLPM86028", "SLUS01360",
	36	/* Spot Goes to Hollywood */
	37	"SLES00330", "SLPS00394", "SLUS00014",
	38	/* Vampire Hunter D */
	39	"SLES02731", "SLPS02477", "SLPS03198", "SLUS01138",
	40	};
	41
	42	static const char * const gpu_busy_hack_db[] =
	43	{
	44	/* ToHeart (Japan) */
	45	"SLPS01919", "SLPS01920",
	46	};
	47
	48	static const char * const gpu_centering_hack_db[] =
	49	{
	50	/* Gradius Gaiden */
	51	"SLPM86042", "SLPM86103", "SLPM87323",
	52	/* Sexy Parodius */
	53	"SLPM86009",
	54	};
	55
	56	static const char * const dualshock_init_analog_hack_db[] =
	57	{
	58	/* Formula 1 Championship Edition */
	59	"SLUS00546",
	60	/* Gran Turismo 2 */
	61	"SCUS94455", "SCUS94488", "SCPS10116", "SCPS10117", "SCES02380", "SCES-12380",
	62	};
	63
	64	#define HACK_ENTRY(var, list) \
	65	{ #var, &Config.hacks.var, list, ARRAY_SIZE(list) }
	66
	67	static const struct
	68	{
	69	const char *name;
	70	boolean *var;
	71	const char * const * id_list;
	72	size_t id_list_len;
	73	}
	74	hack_db[] =
	75	{
	76	HACK_ENTRY(cdr_read_timing, cdr_read_hack_db),
	77	HACK_ENTRY(gpu_slow_list_walking, gpu_slow_llist_db),
	78	HACK_ENTRY(gpu_busy, gpu_busy_hack_db),
	79	HACK_ENTRY(gpu_centering, gpu_centering_hack_db),
	80	HACK_ENTRY(dualshock_init_analog, dualshock_init_analog_hack_db),
	81	};
	82
	83	static const struct
	84	{
	85	int mult;
	86	const char * const id[4];
	87	}
	88	cycle_multiplier_overrides[] =
	89	{
	90	/* note: values are = (10000 / gui_option) */
	91	/* Internal Section - fussy about timings */
	92	{ 202, { "SLPS01868" } },
	93	/* Super Robot Taisen Alpha - on the edge with 175,
	94	* changing memcard settings is enough to break/unbreak it */
	95	{ 190, { "SLPS02528", "SLPS02636" } },
	96	/* Brave Fencer Musashi - cd sectors arrive too fast */
	97	{ 170, { "SLUS00726", "SLPS01490" } },
	98	#if defined(DRC_DISABLE) \|\| defined(LIGHTREC) /* new_dynarec has a hack for this game */
	99	/* Parasite Eve II - internal timer checks */
	100	{ 125, { "SLUS01042", "SLUS01055", "SLES02558", "SLES12558" } },
	101	#endif
	102	/* Discworld Noir - audio skips if CPU runs too fast */
	103	{ 222, { "SLES01549", "SLES02063", "SLES02064" } },
	104	/* Judge Dredd - could also be poor MDEC timing */
	105	{ 128, { "SLUS00630", "SLES00755" } },
	106	/* Digimon World */
	107	{ 153, { "SLUS01032", "SLES02914" } },
	108	/* Syphon Filter - reportedly hangs under unknown conditions */
	109	{ 169, { "SCUS94240" } },
	110	/* Psychic Detective - some weird race condition in the game's cdrom code */
	111	{ 222, { "SLUS00165", "SLUS00166", "SLUS00167" } },
	112	{ 222, { "SLES00070", "SLES10070", "SLES20070" } },
	113	};
	114
	115	static const struct
	116	{
	117	const char * const id;
	118	u32 hacks;
	119	}
	120	lightrec_hacks_db[] =
	121	{
	122	/* Formula One Arcade */
	123	{ "SCES03886", LIGHTREC_HACK_INV_DMA_ONLY },
	124
	125	/* Formula One '99 */
	126	{ "SLUS00870", LIGHTREC_HACK_INV_DMA_ONLY },
	127	{ "SCPS10101", LIGHTREC_HACK_INV_DMA_ONLY },
	128	{ "SCES01979", LIGHTREC_HACK_INV_DMA_ONLY },
	129	{ "SLES01979", LIGHTREC_HACK_INV_DMA_ONLY },
	130
	131	/* Formula One 2000 */
	132	{ "SLUS01134", LIGHTREC_HACK_INV_DMA_ONLY },
	133	{ "SCES02777", LIGHTREC_HACK_INV_DMA_ONLY },
	134	{ "SCES02778", LIGHTREC_HACK_INV_DMA_ONLY },
	135	{ "SCES02779", LIGHTREC_HACK_INV_DMA_ONLY },
	136
	137	/* Formula One 2001 */
	138	{ "SCES03404", LIGHTREC_HACK_INV_DMA_ONLY },
	139	{ "SCES03423", LIGHTREC_HACK_INV_DMA_ONLY },
	140	{ "SCES03424", LIGHTREC_HACK_INV_DMA_ONLY },
	141	{ "SCES03524", LIGHTREC_HACK_INV_DMA_ONLY },
	142	};
	143
	144	/* Function for automatic patching according to GameID. */
	145	void Apply_Hacks_Cdrom(void)
	146	{
	147	size_t i, j;
	148
	149	memset(&Config.hacks, 0, sizeof(Config.hacks));
	150
	151	for (i = 0; i < ARRAY_SIZE(hack_db); i++)
	152	{
	153	for (j = 0; j < hack_db[i].id_list_len; j++)
	154	{
	155	if (strncmp(CdromId, hack_db[i].id_list[j], 9))
	156	continue;
	157	*hack_db[i].var = 1;
	158	SysPrintf("using hack: %s\n", hack_db[i].name);
	159	break;
	160	}
	161	}
	162
	163	if (Config.hacks.dualshock_init_analog) {
	164	// assume the default is off, see LoadPAD1plugin()
	165	for (i = 0; i < 8; i++)
	166	padToggleAnalog(i);
	167	}
	168
	169	/* Apply Memory card hack for Codename Tenka. (The game needs one of the memory card slots to be empty) */
	170	for (i = 0; i < ARRAY_SIZE(MemorycardHack_db); i++)
	171	{
	172	if (strncmp(CdromId, MemorycardHack_db[i], 9) == 0)
	173	{
	174	/* Disable the second memory card slot for the game */
	175	Config.Mcd2[0] = 0;
	176	/* This also needs to be done because in sio.c, they don't use Config.Mcd2 for that purpose */
	177	McdDisable[1] = 1;
	178	break;
	179	}
	180	}
	181
	182	/* Dynarec game-specific hacks */
	183	new_dynarec_hacks_pergame = 0;
	184	Config.cycle_multiplier_override = 0;
	185
	186	for (i = 0; i < ARRAY_SIZE(cycle_multiplier_overrides); i++)
	187	{
	188	const char * const * const ids = cycle_multiplier_overrides[i].id;
	189	for (j = 0; j < ARRAY_SIZE(cycle_multiplier_overrides[i].id); j++)
	190	if (ids[j] && strcmp(ids[j], CdromId) == 0)
	191	break;
	192	if (j < ARRAY_SIZE(cycle_multiplier_overrides[i].id))
	193	{
	194	Config.cycle_multiplier_override = cycle_multiplier_overrides[i].mult;
	195	new_dynarec_hacks_pergame \|= NDHACK_OVERRIDE_CYCLE_M;
	196	SysPrintf("using cycle_multiplier_override: %d\n",
	197	Config.cycle_multiplier_override);
	198	break;
	199	}
	200	}
	201
	202	lightrec_hacks = 0;
	203
	204	for (i = 0; drc_is_lightrec() && i < ARRAY_SIZE(lightrec_hacks_db); i++) {
	205	if (strcmp(CdromId, lightrec_hacks_db[i].id) == 0)
	206	{
	207	lightrec_hacks = lightrec_hacks_db[i].hacks;
	208	SysPrintf("using lightrec_hacks: 0x%x\n", lightrec_hacks);
	209	break;
	210	}
	211	}
	212	}
	213
	214	// from duckstation's gamedb.json
	215	static const u16 libcrypt_ids[] = {
	216	17, 311, 995, 1041, 1226, 1241, 1301, 1362, 1431, 1444,
	217	1492, 1493, 1494, 1495, 1516, 1517, 1518, 1519, 1545, 1564,
	218	1695, 1700, 1701, 1702, 1703, 1704, 1715, 1733, 1763, 1882,
	219	1906, 1907, 1909, 1943, 1979, 2004, 2005, 2006, 2007, 2024,
	220	2025, 2026, 2027, 2028, 2029, 2030, 2031, 2061, 2071, 2080,
	221	2081, 2082, 2083, 2084, 2086, 2104, 2105, 2112, 2113, 2118,
	222	2181, 2182, 2184, 2185, 2207, 2208, 2209, 2210, 2211, 2222,
	223	2264, 2290, 2292, 2293, 2328, 2329, 2330, 2354, 2355, 2365,
	224	2366, 2367, 2368, 2369, 2395, 2396, 2402, 2430, 2431, 2432,
	225	2433, 2487, 2488, 2489, 2490, 2491, 2529, 2530, 2531, 2532,
	226	2533, 2538, 2544, 2545, 2546, 2558, 2559, 2560, 2561, 2562,
	227	2563, 2572, 2573, 2681, 2688, 2689, 2698, 2700, 2704, 2705,
	228	2706, 2707, 2708, 2722, 2723, 2724, 2733, 2754, 2755, 2756,
	229	2763, 2766, 2767, 2768, 2769, 2824, 2830, 2831, 2834, 2835,
	230	2839, 2857, 2858, 2859, 2860, 2861, 2862, 2965, 2966, 2967,
	231	2968, 2969, 2975, 2976, 2977, 2978, 2979, 3061, 3062, 3189,
	232	3190, 3191, 3241, 3242, 3243, 3244, 3245, 3324, 3489, 3519,
	233	3520, 3521, 3522, 3523, 3530, 3603, 3604, 3605, 3606, 3607,
	234	3626, 3648, 12080, 12081, 12082, 12083, 12084, 12328, 12329, 12330,
	235	12558, 12559, 12560, 12561, 12562, 12965, 12966, 12967, 12968, 12969,
	236	22080, 22081, 22082, 22083, 22084, 22328, 22329, 22330, 22965, 22966,
	237	22967, 22968, 22969, 32080, 32081, 32082, 32083, 32084, 32965, 32966,
	238	32967, 32968, 32969
	239	};
	240
	241	// as documented by nocash
	242	static const u16 libcrypt_sectors[16] = {
	243	14105, 14231, 14485, 14579, 14649, 14899, 15056, 15130,
	244	15242, 15312, 15378, 15628, 15919, 16031, 16101, 16167
	245	};
	246
	247	int check_unsatisfied_libcrypt(void)
	248	{
	249	const char *p = CdromId + 4;
	250	u16 id, key = 0;
	251	size_t i;
	252
	253	if (strncmp(CdromId, "SCE", 3) && strncmp(CdromId, "SLE", 3))
	254	return 0;
	255	while (*p == '0')
	256	p++;
	257	id = (u16)atoi(p);
	258	for (i = 0; i < ARRAY_SIZE(libcrypt_ids); i++)
	259	if (id == libcrypt_ids[i])
	260	break;
	261	if (i == ARRAY_SIZE(libcrypt_ids))
	262	return 0;
	263
	264	// detected a protected game
	265	if (!CDR_getBufferSub(libcrypt_sectors[0]) && !sbi_sectors) {
	266	SysPrintf("==================================================\n");
	267	SysPrintf("LibCrypt game detected with missing SBI/subchannel\n");
	268	SysPrintf("==================================================\n");
	269	return 1;
	270	}
	271
	272	if (sbi_sectors) {
	273	// calculate key just for fun (we don't really need it)
	274	for (i = 0; i < 16; i++)
	275	if (CheckSBI(libcrypt_sectors[i] - 2*75))
	276	key \|= 1u << (15 - i);
	277	}
	278	if (key)
	279	SysPrintf("%s, possible key=%04X\n", "LibCrypt detected", key);
	280	else
	281	SysPrintf("%s\n", "LibCrypt detected");
	282	return 0;
	283	}