diff --git a/src/sys/ags.cpp b/src/sys/ags.cpp
index 6b8a81a..e2efb36 100644
--- a/src/sys/ags.cpp
+++ b/src/sys/ags.cpp
@@ -169,7 +169,7 @@ AGS::AGS(NACT* parent, const char* fontfile) : nact(parent)
 	// Bコマンド
 	for(int i = 0; i < 10; i++) {
 		// ウィンドウの初期位置はシステムによって異なる
-		switch (nact->crc32) {
+		switch (nact->crc32_a) {
 		case CRC32_BUNKASAI:
 			SET_TEXT(i, 24, 304, 616, 384, false);
 			SET_MENU(i, 440, 18, 620, 178, true);
@@ -220,9 +220,9 @@ AGS::AGS(NACT* parent, const char* fontfile) : nact(parent)
 		SET_BOX(i, 0, 0, 0, 639, 399);
 	}
 	if (nact->sys_ver == 2) {
-		if (nact->crc32 == CRC32_SDPS_TONO || nact->crc32 == CRC32_SDPS_KAIZOKU) {
+		if(nact->crc32_a == CRC32_SDPS && (nact->crc32_b == CRC32_SDPS_TONO || nact->crc32_b == CRC32_SDPS_KAIZOKU)) {
 			SET_BOX(0, 0, 40, 8, 598, 271);
-		} else if (nact->crc32 == CRC32_PROSTUDENTG_FD) {
+		} else if(nact->crc32_a == CRC32_PROSTUDENTG_FD) {
 			SET_BOX(0, 0, 64, 13, 407, 289);
 			SET_BOX(1, 0, 24, 298, 111, 390);
 			SET_BOX(2, 0, 0, 0, 639, 307);
diff --git a/src/sys/ags_draw.cpp b/src/sys/ags_draw.cpp
index d8dd8c4..05fc2ee 100644
--- a/src/sys/ags_draw.cpp
+++ b/src/sys/ags_draw.cpp
@@ -30,7 +30,7 @@ void AGS::load_cg(int page, int transparent)
 	if(data && size > 0) {
 		switch (nact->sys_ver) {
 		case 1:
-			switch (nact->crc32) {
+			switch (nact->crc32_a) {
 			case CRC32_BUNKASAI:
 				load_vsp(data, page, transparent);
 				break;
@@ -47,10 +47,10 @@ void AGS::load_cg(int page, int transparent)
 			}
 			break;
 		case 2:
-			if(nact->crc32 == CRC32_AYUMI_PROTO) {
+			if(nact->crc32_a == CRC32_AYUMI_PROTO) {
 				// あゆみちゃん物語 PROTO
 				load_gl3(data, page, transparent);
-			} else if(nact->crc32 == CRC32_SDPS_MARIA || nact->crc32 == CRC32_SDPS_TONO || nact->crc32 == CRC32_SDPS_KAIZOKU) {
+			} else if(nact->crc32_a == CRC32_SDPS) {
 				// Super D.P.S
 				load_pms(data, page, transparent);
 			} else {
diff --git a/src/sys/ags_pms.cpp b/src/sys/ags_pms.cpp
index 23c125e..6d8d2b5 100644
--- a/src/sys/ags_pms.cpp
+++ b/src/sys/ags_pms.cpp
@@ -40,7 +40,7 @@ void AGS::load_pms(uint8* data, int page, int transparent)
 				tmp_palette[i * 16 + j] = SETPALETTE256(r, g, b);
 			}
 		}
-		if(nact->crc32 == CRC32_RANCE41 || nact->crc32 == CRC32_RANCE42 || nact->crc32 == CRC32_HASHIRIONNA2) {
+		if(nact->crc32_a == CRC32_RANCE41 || nact->crc32_a == CRC32_RANCE42 || nact->crc32_a == CRC32_HASHIRIONNA2) {
 			// 上下16色は取得しない
 			for(int i = 1; i < 15; i++) {
 				for(int j = 0; j < 16; j++) {
@@ -49,7 +49,7 @@ void AGS::load_pms(uint8* data, int page, int transparent)
 					}
 				}
 			}
-		} else if(nact->crc32 == CRC32_MUGENHOUYOU && transparent != -1) {
+		} else if(nact->crc32_a == CRC32_MUGENHOUYOU && transparent != -1) {
 			// Uコマンドでは上下32色は取得しない
 			for(int i = 2; i < 14; i++) {
 				for(int j = 0; j < 16; j++) {
@@ -71,8 +71,8 @@ void AGS::load_pms(uint8* data, int page, int transparent)
 
 	// パレット展開
 	if (nact->sys_ver == 3) {
-		if((extract_palette && extract_palette_cg[page]) || nact->crc32 == CRC32_FUNNYBEE_CD) {
-			if(nact->crc32 == CRC32_RANCE41 || nact->crc32 == CRC32_RANCE42 || nact->crc32 == CRC32_HASHIRIONNA2) {
+		if((extract_palette && extract_palette_cg[page]) || nact->crc32_a == CRC32_FUNNYBEE_CD) {
+			if(nact->crc32_a == CRC32_RANCE41 || nact->crc32_a == CRC32_RANCE42 || nact->crc32_a == CRC32_HASHIRIONNA2) {
 				// 上下16色は展開しない
 				for(int i = 1; i < 15; i++) {
 					for(int j = 0; j < 16; j++) {
@@ -81,7 +81,7 @@ void AGS::load_pms(uint8* data, int page, int transparent)
 						}
 					}
 				}
-			} else if(nact->crc32 == CRC32_MUGENHOUYOU && transparent != -1) {
+			} else if(nact->crc32_a == CRC32_MUGENHOUYOU && transparent != -1) {
 				// Uコマンドでは上下32色は展開しない
 				for(int i = 2; i < 14; i++) {
 					for(int j = 0; j < 16; j++) {
diff --git a/src/sys/ags_vsp.cpp b/src/sys/ags_vsp.cpp
index 5a59b42..cc3b53c 100644
--- a/src/sys/ags_vsp.cpp
+++ b/src/sys/ags_vsp.cpp
@@ -28,7 +28,7 @@ void AGS::load_vsp(uint8* data, int page, int transparent)
 	}
 
 	// Zコマンドの処理
-	if(nact->crc32 == CRC32_AMBIVALENZ_FD || nact->crc32 == CRC32_AMBIVALENZ_CD) {
+	if(nact->crc32_a == CRC32_AMBIVALENZ_FD || nact->crc32_a == CRC32_AMBIVALENZ_CD) {
 		// Z 0,numを無視する
 	} else {
 		if(palette_bank != -1) {
@@ -48,7 +48,7 @@ void AGS::load_vsp(uint8* data, int page, int transparent)
 	}
 
 	// パレット展開
-	if(nact->crc32 == CRC32_FUNNYBEE_FD || nact->crc32 == CRC32_FUNNYBEE_CD || nact->crc32 == CRC32_FUNNYBEE_PATCH) {
+	if(nact->crc32_a == CRC32_FUNNYBEE_FD || nact->crc32_a == CRC32_FUNNYBEE_CD || nact->crc32_a == CRC32_FUNNYBEE_PATCH) {
 		if(extract_palette_cg[page]) {
 			for(int i = 0; i < 16; i++) {
 				screen_palette[base + i] = program_palette[base + i];
diff --git a/src/sys/crc32.h b/src/sys/crc32.h
index 19895be..559ede3 100644
--- a/src/sys/crc32.h
+++ b/src/sys/crc32.h
@@ -8,21 +8,46 @@
 #define _CRC32_H_
 
 // ADISK.DATの先頭256bytes
+// SYSTEM1
 
-#define CRC32_CRESCENT	0x42351f2c	// クレセントムーンがぁる
+#define CRC32_BUNKASAI		0xc80f99b8	// あぶない文化祭前夜
+#define CRC32_CRESCENT		0x42351f2c	// クレセントムーンがぁる
 #define CRC32_DPS		0x69ea4865	// D.P.S. - Dream Program System
-#define CRC32_FUKEI		0x026de326	// 婦警さんＶＸ (ALICEの館3 UNITBASE/Y_SYUREN.LZH)
-#define CRC32_INTRUDER	0xa7520fb2	// Intruder -桜屋敷の探索-
+#define CRC32_DPS_SG		0xab4cda48	// D.P.S. SG
+#define CRC32_DPS_SG_FAHREN	0xe405d57c	//	D.P.S. SG - Fahren Fliegen
+#define CRC32_DPS_SG_KATEI	 0x23e67d18	//	D.P.S. SG - 家庭教師はステキなお仕事
+#define CRC32_DPS_SG_NOBUNAGA	0x2ec116f2	//	D.P.S. SG - 信長の淫謀
+#define CRC32_DPS_SG2		0xab4cda48	// D.P.S. SG set2
+#define CRC32_DPS_SG2_ANTIQUE	0x41fe8b3d	//	D.P.S. SG set2 - ANTIQUE HOUSE
+#define CRC32_DPS_SG2_IKENAI	0x6b562c09	//	D.P.S. SG set2 - いけない内科検診再び
+#define CRC32_DPS_SG2_AKAI	0x1098e78c	//	D.P.S. SG set2 - 朱い夜
+#define CRC32_DPS_SG3		0xb77ae133	// D.P.S. SG SG set3
+#define CRC32_DPS_SG3_RABBIT	0xa3228b6c	//	D.P.S. SG set3 - Rabbit P4P
+#define CRC32_DPS_SG3_SHINKON	0x09b4448a	//	D.P.S. SG set3 - しんこんさんものがたり
+#define CRC32_DPS_SG3_SOTSUGYOU	0xbc4525d8	//	D.P.S. SG set3 - 卒業
+#define CRC32_FUKEI		0x026de326	// 婦警さんＶＸ
+#define CRC32_INTRUDER		0xa7520fb2	// Intruder -桜屋敷の探索-
 #define CRC32_TENGU		0xc942ff58	// あぶないてんぐ伝説
-#define CRC32_VAMPIRE	0x957bcfbf	// Little Vampire
-#define CRC32_BUNKASAI	0			// あぶない文化祭前夜? (未確認)
+#define CRC32_TOUSHIN_HINT	0xac337537	// 闘神都市 ヒントディスク
+#define CRC32_VAMPIRE		0x957bcfbf	// Little Vampire
+#define CRC32_YAKATA		0x8cef6fa6	// ALICEの館
 
+// SYSTEM2
+
+#define CRC32_AYUMI_FD		0x4e2fed2a	// あゆみちゃん物語 (FD)
+#define CRC32_AYUMI_HINT	0xf6bd963a	// あゆみちゃん物語 ヒントディスク
 #define CRC32_AYUMI_PROTO	0x4e2f5678	// あゆみちゃん物語 PROTO
-#define CRC32_SDPS		0xc7a20cdf	// Super D.P.S
-#define CRC32_SDPS_MARIA	0x80d4eaca	//	マリアとカンパン
-#define CRC32_SDPS_TONO		0xbb1edff1	//	遠野の森
-#define CRC32_SDPS_KAIZOKU	0xf81829e3	//	海賊家業
+#define CRC32_DALK_HINT		0x4793b843	// DALK ヒントディスク
+#define CRC32_DRSTOP		0x73fa86c4	// Dr. STOP!
 #define CRC32_PROSTUDENTG_FD	0x5ffbfee7	// Prostudent -G- (FD)
+#define CRC32_RANCE3_HINT	0x8d5ec610	// Rance3 ヒントディスク
+#define CRC32_SDPS		0xc7a20cdf	// Super D.P.S
+#define CRC32_SDPS_MARIA	0x80d4eaca	//	Super D.P.S - マリアとカンパン
+#define CRC32_SDPS_TONO		0xbb1edff1	//	Super D.P.S - 遠野の森
+#define CRC32_SDPS_KAIZOKU	0xf81829e3	//	Super D.P.S - うれしたのし海賊稼業
+#define CRC32_YAKATA2		0x2df591ff	// ALICEの館II
+
+// SYSTEM3
 
 #define CRC32_AMBIVALENZ_FD	0xa6b48dfe	// AmbivalenZ (FD)
 #define CRC32_AMBIVALENZ_CD	0x4b10db69	// AmbivalenZ (CD)
@@ -42,7 +67,8 @@
 #define CRC32_YAKATA3_CD	0x7f8f5e2a	// アリスの館３ (CD)
 #define CRC32_YAKATA3_FD	0x58ebcc99	// アリスの館３ (FD)
 #define CRC32_HASHIRIONNA2	0x09f47cbd	// 走り女２ (Rance 4.x ヒントディスク)
-#define CRC32_TOUSHIN2_SP	0x2172c7b2	// 闘神都市２ 〜そして、それから〜
+#define CRC32_TOUSHIN2_GD	0xb5eba798	// 闘神都市２ グラフィックディスク
+#define CRC32_TOUSHIN2_SP	0x2172c7b2	// 闘神都市２ そして、それから…
 #define CRC32_OTOMESENKI	0x49a4db15	// 乙女戦記
 #define CRC32_NINGYO		0xd491e7ab	// 人魚 -蘿子-
 #define CRC32_MUGENHOUYOU	0xbb27d1ba	// 夢幻泡影
diff --git a/src/sys/mako_midi.cpp b/src/sys/mako_midi.cpp
index e8d1544..11f07b5 100644
--- a/src/sys/mako_midi.cpp
+++ b/src/sys/mako_midi.cpp
@@ -302,7 +302,7 @@ std::vector<uint8> MAKOMidi::generate_smf(int current_max)
 						w.send_3bytes(0xb0 + play[i].channel, 0x0a, play[i].pan);
 					}
 					else if(d0 == 0xec) {
-						if (nact->crc32 != CRC32_DPS)
+						if(!(nact->crc32_a == CRC32_DPS || nact->crc32_a == CRC32_DPS_SG || nact->crc32_a == CRC32_DPS_SG2 || nact->crc32_a == CRC32_DPS_SG3))
 							mute_flag = true;
 					}
 					else if(d0 == 0xf5) {
@@ -570,7 +570,7 @@ void MAKOMidi::load_mda(int page)
 	int size;
 	uint8* data = NULL;
 	if((data = dri->load(path, page, &size)) == NULL) {
-		data = dri->load_mda(nact->crc32, page, &size);
+		data = dri->load_mda(nact->crc32_a, page, &size);
 	}
 
 	if(data) {
diff --git a/src/sys/nact.cpp b/src/sys/nact.cpp
index d49c167..62af737 100644
--- a/src/sys/nact.cpp
+++ b/src/sys/nact.cpp
@@ -16,8 +16,8 @@ extern SDL_Window* g_window;
 
 // 初期化
 
-NACT::NACT(int sys_ver, uint32 crc32, const char* font_file, const char* playlist)
-	: sys_ver(sys_ver), crc32(crc32)
+NACT::NACT(int sys_ver, uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist)
+	: sys_ver(sys_ver), crc32_a(crc32_a), crc32_b(crc32_b)
 {
 	// デバッグコンソール起動
 	initialize_console();
@@ -44,7 +44,7 @@ NACT::NACT(int sys_ver, uint32 crc32, const char* font_file, const char* playlis
 	delete fio;
 
 	// ADISK.DAT
-	if (crc32 == CRC32_PROG_OMAKE)
+	if (crc32_a == CRC32_PROG_OMAKE)
 		strcpy_s(adisk, 16, "AGAME.DAT");
 	else
 		strcpy_s(adisk, 16, "ADISK.DAT");
@@ -295,8 +295,10 @@ void NACT::execute(T* impl)
 				string[0] = cmd;
 				string[1] = '\0';
 				ags->draw_text(string);
-				if(crc32 == CRC32_DPS && !ags->draw_menu) {
-					text_refresh = false;
+				if(crc32_a == CRC32_DPS || crc32_a == CRC32_DPS_SG || crc32_a == CRC32_DPS_SG2 || crc32_a == CRC32_DPS_SG3) {
+					if(!ags->draw_menu) {
+						text_refresh = false;
+					}
 				}
 				
 				if(!ags->draw_menu && text_wait_enb && cmd != 0x20) {
@@ -324,8 +326,10 @@ void NACT::execute(T* impl)
 				string[1] = getd();
 				string[2] = '\0';
 				ags->draw_text(string);
-				if(crc32 == CRC32_DPS && !ags->draw_menu) {
-					text_refresh = false;
+				if(crc32_a == CRC32_DPS || crc32_a == CRC32_DPS_SG || crc32_a == CRC32_DPS_SG2 || crc32_a == CRC32_DPS_SG3) {
+					if(!ags->draw_menu) {
+						text_refresh = false;
+					}
 				}
 				
 				if(!ags->draw_menu && text_wait_enb) {
@@ -418,14 +422,15 @@ void NACT::fatal(const char* format, ...) {
 }
 
 NACT* NACT::create(const char* game_id, const char* font_file, const char* playlist) {
-	uint32 crc32 = NACT::calc_crc32(game_id);
-	int sys_ver = NACT::get_sys_ver(crc32);
+	uint32 crc32_a = NACT::calc_crc32("ADISK.DAT", game_id);
+	uint32 crc32_b = NACT::calc_crc32("BDISK.DAT", game_id);
+	int sys_ver = NACT::get_sys_ver(crc32_a, crc32_b);
 	switch (sys_ver) {
 	case 1:
-		return new NACT_Sys1(crc32, font_file, playlist);
+		return new NACT_Sys1(crc32_a, crc32_b, font_file, playlist);
 	case 2:
-		return new NACT_Sys2(crc32, font_file, playlist);
+		return new NACT_Sys2(crc32_a, crc32_b, font_file, playlist);
 	default:
-		return new NACT_Sys3(crc32, font_file, playlist);
+		return new NACT_Sys3(crc32_a, crc32_b, font_file, playlist);
 	}
 }
diff --git a/src/sys/nact.h b/src/sys/nact.h
index 4231e94..45880a0 100644
--- a/src/sys/nact.h
+++ b/src/sys/nact.h
@@ -87,7 +87,7 @@ class NACT
 {
 public:
 	static NACT* create(const char* game_id, const char* font_file, const char* playlist);
-	NACT(int sys_ver, uint32 crc32, const char* font_file, const char* playlist);
+	NACT(int sys_ver, uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist);
 	virtual ~NACT();
 
 protected:
@@ -172,7 +172,7 @@ protected:
 #endif
 	int mouse_x = 0, mouse_y = 0;
 
-	static uint32 calc_crc32(const char* game_id);
+	static uint32 calc_crc32(const char* file_name, const char* game_id);
 
 	// Y27 ダイアログ
 	void text_dialog();
@@ -193,13 +193,14 @@ public:
 	void select_sound(int dev);
 
 	const char* get_game_id();
-	static const int get_sys_ver(uint32 crc32);
+	static const int get_sys_ver(uint32 crc32_a, uint32 crc32_b);
 	const char* get_title();
 
 	bool text_skip_enb;	// メッセージスキップ
 	bool text_wait_enb;	// テキスト表示のウェイト有効／無効
 	int sys_ver;
-	uint32 crc32;
+	uint32 crc32_a;		// ADISK
+	uint32 crc32_b;		// BDISK for D.P.S -SG- and Super D.P.S
 
 	// for Y27
 	char tvar[10][22];
@@ -215,7 +216,7 @@ public:
 
 class NACT_Sys1 : public NACT {
 public:
-	NACT_Sys1(uint32 crc32, const char* font_file, const char* playlist);
+	NACT_Sys1(uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist);
 	void cmd_calc();
 	void cmd_branch();
 	void cmd_label_jump();
@@ -258,8 +259,6 @@ private:
 	uint16 cali();
 	uint16 cali2();
 
-	int menu_max;	// メニューの改ページ
-
 	// Intruder Zコマンド
 	int paint_x;
 	int paint_y;
@@ -268,7 +267,7 @@ private:
 
 class NACT_Sys2 : public NACT {
 public:
-	NACT_Sys2(uint32 crc32, const char* font_file, const char* playlist);
+	NACT_Sys2(uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist);
 	void cmd_calc();
 	void cmd_branch();
 	void cmd_label_jump();
@@ -314,7 +313,7 @@ private:
 
 class NACT_Sys3 : public NACT {
 public:
-	NACT_Sys3(uint32 crc32, const char* font_file, const char* playlist);
+	NACT_Sys3(uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist);
 	void cmd_calc();
 	void cmd_branch();
 	void cmd_label_jump();
diff --git a/src/sys/nact_crc32.cpp b/src/sys/nact_crc32.cpp
index 3826b79..28b1638 100644
--- a/src/sys/nact_crc32.cpp
+++ b/src/sys/nact_crc32.cpp
@@ -13,52 +13,72 @@ namespace {
 const struct CRCTable {
 	const char* id;
 	int sys_ver;
-	uint32 crc32;
 	const char* title;
+	uint32 crc32_a;
+	uint32 crc32_b;
 } crc_table[] = {
-	{"crescent",        1, CRC32_CRESCENT,          "クレセントムーンがぁる"},
-	{"dps",             1, CRC32_DPS,               "D.P.S - Dream Program System"},
-	{"fukei",           1, CRC32_FUKEI,             "婦警さんＶＸ"},
-	{"intruder",        1, CRC32_INTRUDER,          "Intruder -桜屋敷の探索-"},
-	{"tengu",           1, CRC32_TENGU,             "あぶないてんぐ伝説"},
-	{"little_vampire",  1, CRC32_VAMPIRE,           "Little Vampire"},
+	{"bunkasai", 1, "あぶない文化祭前夜", CRC32_BUNKASAI},
+	{"crescent", 1, "クレセントムーンがぁる", CRC32_CRESCENT},
+	{"dps", 1, "D.P.S - Dream Program System", CRC32_DPS},
+	{"dps_sg_fahren", 1, "D.P.S SG - Fahren Fliegen", CRC32_DPS_SG, CRC32_DPS_SG_FAHREN},
+	{"dps_sg_katei", 1, "D.P.S SG - 家庭教師はステキなお仕事", CRC32_DPS_SG, CRC32_DPS_SG_KATEI},
+	{"dps_sg_nobunaga", 1, "D.P.S SG - 信長の淫謀", CRC32_DPS_SG, CRC32_DPS_SG_NOBUNAGA},
+	{"dps_sg2_antique", 1, "D.P.S SG set2 - ANTIQUE HOUSE", CRC32_DPS_SG2, CRC32_DPS_SG2_ANTIQUE},
+	{"dps_sg2_ikenai", 1, "D.P.S SG set2 - いけない内科検診再び", CRC32_DPS_SG2, CRC32_DPS_SG2_IKENAI},
+	{"dps_sg2_akai", 1, "D.P.S SG set2 - 朱い夜", CRC32_DPS_SG2, CRC32_DPS_SG2_AKAI},
+	{"dps_sg3_rabbit", 1, "D.P.S SG set3 - Rabbit P4P", CRC32_DPS_SG3, CRC32_DPS_SG3_RABBIT},
+	{"dps_sg3_shinkon", 1, "D.P.S SG set3 - しんこんさんものがたり", CRC32_DPS_SG3, CRC32_DPS_SG3_SHINKON},
+	{"dps_sg3_sotsugyou", 1, "D.P.S SG set3 - 卒業", CRC32_DPS_SG3, CRC32_DPS_SG3_SOTSUGYOU},
+	{"fukei", 1, "婦警さんＶＸ", CRC32_FUKEI},
+	{"intruder", 1, "Intruder -桜屋敷の探索-", CRC32_INTRUDER},
+	{"tengu", 1, "あぶないてんぐ伝説", CRC32_TENGU},
+	{"toushin_hint", 1, "闘神都市 ヒントディスク", CRC32_TOUSHIN_HINT},
+	{"little_vampire", 1, "Little Vampire", CRC32_VAMPIRE},
+	{"yakata", 1, "ALICEの館", CRC32_YAKATA},
 
-	{"ayumi_proto",     2, CRC32_AYUMI_PROTO,       "あゆみちゃん物語 PROTO"},
-	{"sdps_maria",      2, CRC32_SDPS_MARIA,        "Super D.P.S"},
-	{"sdps_tono",       2, CRC32_SDPS_TONO,         "Super D.P.S"},
-	{"sdps_kaizoku",    2, CRC32_SDPS_KAIZOKU,      "Super D.P.S"},
-	{"prog_fd",         2, CRC32_PROSTUDENTG_FD,    "Prostudent G"},
+	{"ayumi_fd", 2, "あゆみちゃん物語", CRC32_AYUMI_FD},
+	{"ayumi_hint", 2, "あゆみちゃん物語 ヒントディスク", CRC32_AYUMI_HINT},
+	{"ayumi_proto", 2, "あゆみちゃん物語 PROTO", CRC32_AYUMI_PROTO},
+	{"dalk_hint", 2, "DALK ヒントディスク", CRC32_DALK_HINT},
+	{"drstop", 2, "Dr. STOP!", CRC32_DRSTOP},
+	{"prog_fd", 2, "Prostudent G", CRC32_PROSTUDENTG_FD},
+	{"rance3_hint", 2, "Rance3 ヒントディスク", CRC32_RANCE3_HINT},
+	{"sdps_maria", 2, "Super D.P.S - マリアとカンパン", CRC32_SDPS, CRC32_SDPS_MARIA},
+	{"sdps_tono", 2, "Super D.P.S - 遠野の森", CRC32_SDPS, CRC32_SDPS_TONO},
+	{"sdps_kaizoku", 2, "Super D.P.S - うれしたのし海賊稼業", CRC32_SDPS, CRC32_SDPS_KAIZOKU},
+	{"yakata2", 2, "ALICEの館II", CRC32_YAKATA2},
 
-	{"ambivalenz_fd",   3, CRC32_AMBIVALENZ_FD,     "AmbivalenZ −二律背反−"},
-	{"ambivalenz_cd",   3, CRC32_AMBIVALENZ_CD,     "AmbivalenZ −二律背反−"},
-	{"dps_all",         3, CRC32_DPSALL,            "D.P.S. 全部"},
-	{"funnybee_cd",     3, CRC32_FUNNYBEE_CD,       "宇宙快盗ファニーBee"},
-//	{"funnybee_patch",  3, CRC32_FUNNYBEE_PATCH,    "宇宙快盗ファニーBee"},
-	{"funnybee_fd",     3, CRC32_FUNNYBEE_FD,       "宇宙快盗ファニーBee"},
-	{"onlyyou",         3, CRC32_ONLYYOU,           "Only You −世紀末のジュリエット達−"},
-	{"onlyyou_demo",    3, CRC32_ONLYYOU_DEMO,      "Only You −世紀末のジュリエット達− デモ版"},
-	{"prog_cd",         3, CRC32_PROSTUDENTG_CD,    "Prostudent G"},
-	{"prog_omake",      3, CRC32_PROG_OMAKE,        "Prostudent G おまけ"},
-	{"rance41",         3, CRC32_RANCE41,           "ランス 4.1 〜お薬工場を救え！〜"},
-	{"rance42",         3, CRC32_RANCE42,           "ランス 4.2 〜エンジェル組〜"},
-	{"ayumi_cd",        3, CRC32_AYUMI_CD,          "あゆみちゃん物語"},
-	{"ayumi_live_256",  3, CRC32_AYUMI_JISSHA_256,  "あゆみちゃん物語 実写版"},
-	{"ayumi_live_full", 3, CRC32_AYUMI_JISSHA_FULL, "あゆみちゃん物語 フルカラー実写版"},
-	{"yakata3_cd",      3, CRC32_YAKATA3_CD,        "アリスの館3"},
-	{"yakata3_fd",      3, CRC32_YAKATA3_FD,        "アリスの館3"},
-	{"hashirionna2",    3, CRC32_HASHIRIONNA2,      "走り女2"},
-	{"toushin2_sp",     3, CRC32_TOUSHIN2_SP,       "闘神都市2 そして、それから…"},
-	{"otome",           3, CRC32_OTOMESENKI,        "乙女戦記"},
-	{"ningyo",          3, CRC32_NINGYO,            "人魚 -蘿子-"},
-	{"mugen",           3, CRC32_MUGENHOUYOU,       "夢幻泡影"},
+	{"ambivalenz_fd", 3, "AmbivalenZ −二律背反−", CRC32_AMBIVALENZ_FD},
+	{"ambivalenz_cd", 3, "AmbivalenZ −二律背反−", CRC32_AMBIVALENZ_CD},
+	{"dps_all", 3, "D.P.S. 全部", CRC32_DPSALL},
+	{"funnybee_cd", 3, "宇宙快盗ファニーBee", CRC32_FUNNYBEE_CD},
+//	{"funnybee_patch", 3, "宇宙快盗ファニーBee", CRC32_FUNNYBEE_PATCH},
+	{"funnybee_fd", 3, "宇宙快盗ファニーBee", CRC32_FUNNYBEE_FD},
+	{"onlyyou", 3, "Only You −世紀末のジュリエット達−", CRC32_ONLYYOU},
+	{"onlyyou_demo", 3, "Only You −世紀末のジュリエット達− デモ版", CRC32_ONLYYOU_DEMO},
+	{"prog_cd", 3, "Prostudent G", CRC32_PROSTUDENTG_CD},
+	{"prog_omake", 3, "Prostudent G おまけ", CRC32_PROG_OMAKE},
+	{"rance41", 3, "ランス 4.1 〜お薬工場を救え！〜", CRC32_RANCE41},
+	{"rance42", 3, "ランス 4.2 〜エンジェル組〜", CRC32_RANCE42},
+	{"ayumi_cd", 3, "あゆみちゃん物語", CRC32_AYUMI_CD},
+	{"ayumi_live_256", 3, "あゆみちゃん物語 実写版", CRC32_AYUMI_JISSHA_256},
+	{"ayumi_live_full", 3, "あゆみちゃん物語 フルカラー実写版", CRC32_AYUMI_JISSHA_FULL},
+	{"yakata3_cd", 3, "アリスの館3", CRC32_YAKATA3_CD},
+	{"yakata3_fd", 3, "アリスの館3", CRC32_YAKATA3_FD},
+	{"hashirionna2", 3, "走り女2", CRC32_HASHIRIONNA2},
+	{"toushin2_gd", 3,"闘神都市2 グラフィックディスク", CRC32_TOUSHIN2_GD},
+	{"toushin2_sp", 3, "闘神都市2 そして、それから…", CRC32_TOUSHIN2_SP},
+	{"otome", 3, "乙女戦記", CRC32_OTOMESENKI},
+	{"ningyo", 3, "人魚 -蘿子-", CRC32_NINGYO},
+	{"mugen", 3, "夢幻泡影", CRC32_MUGENHOUYOU},
 
-	{NULL, 0, 0, NULL},
+	{NULL},
 };
 
-const CRCTable* lookup(uint32 crc32)
+const CRCTable* lookup(uint32 crc32_a, uint32 crc32_b)
 {
 	for (const CRCTable* t = crc_table; t->id; t++) {
-		if (crc32 == t->crc32)
+		if (crc32_a == t->crc32_a && (!t->crc32_b || crc32_b == t->crc32_b))
 			return t;
 	}
 	return NULL;
@@ -66,19 +86,19 @@ const CRCTable* lookup(uint32 crc32)
 
 } // namespace
 
-uint32 NACT::calc_crc32(const char* game_id)
+uint32 NACT::calc_crc32(const char* file_name, const char* game_id)
 {
 	if (game_id) {
 		for (const CRCTable* t = crc_table; t->id; t++) {
 			if (strcmp(t->id, game_id) == 0)
-				return t->crc32;
+				return file_name[0] == 'A' ? t->crc32_a : t->crc32_b;
 		}
 	}
 
 	uint32 crc = 0;
 	FILEIO* fio = new FILEIO();
 
-	if(fio->Fopen("ADISK.DAT", FILEIO_READ_BINARY)) {
+	if(fio->Fopen(file_name, FILEIO_READ_BINARY)) {
 		uint32 table[256];
 		for(int i = 0; i < 256; i++) {
 			uint32 c = i;
@@ -100,56 +120,27 @@ uint32 NACT::calc_crc32(const char* game_id)
 		}
 		fio->Fclose();
 	}
-	if(crc == CRC32_SDPS) {
-		// Super D.P.Sの場合はBDISK.DATのCRCを取る
-		if(fio->Fopen("BDISK.DAT", FILEIO_READ_BINARY)) {
-			uint32 table[256];
-			for(int i = 0; i < 256; i++) {
-				uint32 c = i;
-				for(int j = 0; j < 8; j++) {
-					if(c & 1) {
-						c = (c >> 1) ^ 0xedb88320;
-					} else {
-						c >>= 1;
-					}
-				}
-				table[i] = c;
-			}
-			// BDISK.DATの先頭256bytes
-			crc = 0;
-			for(int i = 0; i < 256; i++) {
-				int d = fio->Fgetc();
-				uint32 c = ~crc;
-				c = table[(c ^ d) & 0xff] ^ (c >> 8);
-				crc = ~c;
-			}
-			fio->Fclose();
-		}
-	}
 	delete fio;
-#if 0
-	printf("CRC: %x\n", crc);
-#endif
 	return crc;
 }
 
 const char* NACT::get_game_id()
 {
-	if (const CRCTable* entry = lookup(crc32))
+	if (const CRCTable* entry = lookup(crc32_a, crc32_b))
 		return entry->id;
 	return NULL;
 }
 
-const int NACT::get_sys_ver(uint32 crc32)
+const int NACT::get_sys_ver(uint32 crc32_a, uint32 crc32_b)
 {
-	if (const CRCTable* entry = lookup(crc32))
+	if (const CRCTable* entry = lookup(crc32_a, crc32_b))
 		return entry->sys_ver;
 	return 3;
 }
 
 const char* NACT::get_title()
 {
-	if (const CRCTable* entry = lookup(crc32))
+	if (const CRCTable* entry = lookup(crc32_a, crc32_b))
 		return entry->title;
 	return NULL;
 }
diff --git a/src/sys/nact_sys1.cpp b/src/sys/nact_sys1.cpp
index 69616d8..8ea6f2a 100644
--- a/src/sys/nact_sys1.cpp
+++ b/src/sys/nact_sys1.cpp
@@ -17,6 +17,9 @@
 #include "crc32.h"
 #include "../fileio.h"
 
+// メニューの改ページ
+#define MENU_MAX (crc32_a == CRC32_INTRUDER ? 6 : 11)
+
 #define WAIT(tm) \
 { \
 	Uint32 dwTime = SDL_GetTicks() + (tm); \
@@ -60,12 +63,14 @@
 	} \
 }
 
-NACT_Sys1::NACT_Sys1(uint32 crc32, const char* font_file, const char* playlist)
-	: NACT(1, crc32, font_file, playlist)
+NACT_Sys1::NACT_Sys1(uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist)
+	: NACT(1, crc32_a, crc32_b, font_file, playlist)
 {
-	menu_max = 6;
-	switch (crc32) {
+	switch (crc32_a) {
 	case CRC32_DPS:
+	case CRC32_DPS_SG:
+	//case CRC32_DPS_SG2:
+	case CRC32_DPS_SG3:
 		text_refresh = false;
 		strcpy_s(tvar[0], 22, "\x83\x4A\x83\x58\x83\x5E\x83\x80"); // "カスタム" in SJIS
 		strcpy_s(tvar[1], 22, "\x83\x8A\x81\x5B\x83\x69\x83\x58"); // "リーナス" in SJIS
@@ -76,7 +81,6 @@ NACT_Sys1::NACT_Sys1(uint32 crc32, const char* font_file, const char* playlist)
 		strcpy_s(tvar[6], 22, "\x90\x5E\x97\x9D\x8E\x71"); // "真理子" in SJIS
 		break;
 	case CRC32_INTRUDER:
-		menu_max = 11;
 		paint_x = paint_y = map_page = 0;
 		break;
 	}
@@ -84,7 +88,7 @@ NACT_Sys1::NACT_Sys1(uint32 crc32, const char* font_file, const char* playlist)
 
 void NACT_Sys1::opening()
 {
-	switch (crc32) {
+	switch (crc32_a) {
 	case CRC32_CRESCENT:
 		mako->play_music(2);
 		ags->load_cg(1, -1);
@@ -316,8 +320,10 @@ void NACT_Sys1::cmd_open_menu()
 		return;
 	}
 
-	if(crc32 == CRC32_DPS && !text_refresh) {
-		cmd_a();
+	if(crc32_a == CRC32_DPS || crc32_a == CRC32_DPS_SG || crc32_a == CRC32_DPS_SG2 || crc32_a == CRC32_DPS_SG3) {
+		if(!text_refresh) {
+			cmd_a();
+		}
 	}
 
 	// クリック中の間は待機
@@ -472,7 +478,7 @@ top:
 	ags->menu_dest_y = 0;
 	ags->draw_menu = true;
 
-	if(cnt <= menu_max) {
+	if(cnt <= MENU_MAX) {
 		// 1ページ内に全て表示できる
 		for(int i = 0; i < MAX_VERB; i++) {
 			if(chk[i]) {
@@ -494,7 +500,7 @@ top2:
 				ags->menu_dest_y += ags->menu_font_size + 2;
 			}
 			page = i + 1;
-			if(index == menu_max - 1) {
+			if(index == MENU_MAX - 1) {
 				break;
 			}
 		}
@@ -647,7 +653,7 @@ top:
 	ags->menu_dest_y = 0;
 	ags->draw_menu = true;
 
-	if(cnt <= menu_max - 1) {
+	if(cnt <= MENU_MAX - 1) {
 		// 1ページ内に全て表示できる
 		for(int i = 0; i < MAX_OBJ; i++) {
 			if(chk[i]) {
@@ -675,7 +681,7 @@ top2:
 				ags->menu_dest_y += ags->menu_font_size + 2;
 			}
 			page = i + 1;
-			if(index == menu_max - 2) {
+			if(index == MENU_MAX - 2) {
 				break;
 			}
 		}
@@ -832,8 +838,9 @@ void NACT_Sys1::cmd_a()
 	// ウィンドウ更新
 	ags->clear_text_window(text_window, true);
 
-	if (crc32 == CRC32_DPS)
+	if(crc32_a == CRC32_DPS || crc32_a == CRC32_DPS_SG || crc32_a == CRC32_DPS_SG2 || crc32_a == CRC32_DPS_SG3) {
 		text_refresh = true;
+	}
 }
 
 void NACT_Sys1::cmd_b()
@@ -867,13 +874,13 @@ void NACT_Sys1::cmd_g()
 
 	output_console("\nG %d:", page);
 
-	if (crc32 == CRC32_INTRUDER) {
+	if(crc32_a == CRC32_INTRUDER) {
 		page = (page == 97) ? 96 : (page == 98) ? 97 : page;
 	}
 
 	ags->load_cg(page, -1);
 
-	if (crc32 == CRC32_INTRUDER) {
+	if(crc32_a == CRC32_INTRUDER) {
 		if(page == 94) {
 			WAIT(400);
 		}
@@ -1169,7 +1176,7 @@ void NACT_Sys1::cmd_u()
 
 	output_console("\nU %d,%d:", page, transparent);
 
-	if (crc32 == CRC32_INTRUDER) {
+	if(crc32_a == CRC32_INTRUDER) {
 		ags->load_cg(page, 11);
 
 		if(page == 5) {
@@ -1210,7 +1217,7 @@ void NACT_Sys1::cmd_y()
 
 	output_console("\nY %d,%d:", cmd, param);
 
-	switch (crc32) {
+	switch (crc32_a) {
 	case CRC32_BUNKASAI:
 	case CRC32_CRESCENT:
 	case CRC32_DPS:
@@ -1244,7 +1251,7 @@ void NACT_Sys1::cmd_y()
 			}
 			break;
 		case 2:
-			switch (crc32) {
+			switch (crc32_a) {
 			case CRC32_CRESCENT:
 				for(int i = 39; i <= 48; i++)
 					var[i] = 0;
@@ -1266,12 +1273,12 @@ void NACT_Sys1::cmd_y()
 			RND = (param == 0 || param == 1) ? 0 : random(param);
 			break;
 		case 7:
-			if(crc32 == CRC32_DPS && param == 1) {
+			if(crc32_a == CRC32_DPS && param == 1) {
 				ags->box_fill(0, 40, 8, 598, 270, 0);
 			}
 			break;
 		case 130:
-			if (crc32 == CRC32_TENGU) {
+			if (crc32_a == CRC32_TENGU) {
 				WAIT(2000)
 				ags->load_cg(180, -1);
 
@@ -1306,7 +1313,7 @@ void NACT_Sys1::cmd_y()
 			RND = 0;
 			break;
 		case 255:
-			if (crc32 == CRC32_DPS)
+			if (crc32_a == CRC32_DPS)
 				post_quit = false;
 			else
 				post_quit = true;
@@ -1366,7 +1373,7 @@ void NACT_Sys1::cmd_y()
 
 void NACT_Sys1::cmd_z()
 {
-	if (crc32 == CRC32_CRESCENT) {
+	if (crc32_a == CRC32_CRESCENT) {
 		cmd_y();
 		return;
 	}
@@ -1375,7 +1382,7 @@ void NACT_Sys1::cmd_z()
 
 	output_console("\nZ %d,%d:", cmd, param);
 
-	switch (crc32) {
+	switch (crc32_a) {
 	case CRC32_INTRUDER:
 		if(cmd == 1 && 1 <= param && param <= 4) {
 			const char* buf[4] = {
diff --git a/src/sys/nact_sys2.cpp b/src/sys/nact_sys2.cpp
index a9e2034..3739e7d 100644
--- a/src/sys/nact_sys2.cpp
+++ b/src/sys/nact_sys2.cpp
@@ -55,8 +55,8 @@
 	} \
 }
 
-NACT_Sys2::NACT_Sys2(uint32 crc32, const char* font_file, const char* playlist)
-	: NACT(2, crc32, font_file, playlist)
+NACT_Sys2::NACT_Sys2(uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist)
+	: NACT(2, crc32_a, crc32_b, font_file, playlist)
 {
 }
 
@@ -790,7 +790,7 @@ void NACT_Sys2::cmd_b()
 			ags->menu_w[index - 1].screen = NULL;
 		}
 	} else if(cmd == 2) {
-//		if(crc32 == CRC32_PROSTUDENTG_FD) {
+//		if(crc32_a == CRC32_PROSTUDENTG_FD) {
 //			ags->menu_w[index - 1].frame = (index == 1 || index == 3) ? true : false;
 //		} else
 		ags->menu_w[index - 1].frame = p1 ? true : false;
@@ -815,7 +815,7 @@ void NACT_Sys2::cmd_b()
 	} else if(cmd == 4) {
 		if(p5 == 0) {
 			// ウィンドウ退避
-//			if(crc32 == CRC32_PROSTUDENTG_FD) {
+//			if(crc32_a == CRC32_PROSTUDENTG_FD) {
 //				ags->text_w[index - 1].frame = (index == 1 || index == 3) ? true : false;
 //			} else
 			ags->text_w[index - 1].frame = p1 ? true : false;
@@ -864,7 +864,7 @@ void NACT_Sys2::cmd_g()
 
 	output_console("\nG %d:", page);
 
-	if(crc32 == CRC32_SDPS_TONO || crc32 == CRC32_SDPS_KAIZOKU) {
+	if(crc32_a == CRC32_SDPS && (crc32_b == CRC32_SDPS_TONO || crc32_b == CRC32_SDPS_KAIZOKU)) {
 		if(20 <= page && page <= 100) {
 			page--;
 		}
@@ -1308,7 +1308,7 @@ void NACT_Sys2::cmd_y()
 			RND = (param == 0 || param == 1) ? 0 : random(param);
 			break;
 		case 7:
-			if(crc32 != CRC32_SDPS_MARIA) {
+			if(!(crc32_a == CRC32_SDPS && crc32_b == CRC32_SDPS_MARIA)) {
 				ags->draw_box(param);
 			}
 			break;
diff --git a/src/sys/nact_sys3.cpp b/src/sys/nact_sys3.cpp
index 1a2999f..4013d46 100644
--- a/src/sys/nact_sys3.cpp
+++ b/src/sys/nact_sys3.cpp
@@ -13,8 +13,8 @@
 #include "../fileio.h"
 #include "texthook.h"
 
-NACT_Sys3::NACT_Sys3(uint32 crc32, const char* font_file, const char* playlist)
-	: NACT(3, crc32, font_file, playlist)
+NACT_Sys3::NACT_Sys3(uint32 crc32_a, uint32 crc32_b, const char* font_file, const char* playlist)
+	: NACT(3, crc32_a, crc32_b, font_file, playlist)
 {
 }
 
@@ -431,10 +431,9 @@ void NACT_Sys3::cmd_b()
 
 	if(cmd == 1) {
 		// あゆみちゃん物語
-		if(crc32 == CRC32_AYUMI_CD || crc32 == CRC32_AYUMI_JISSHA_256 || crc32 == CRC32_AYUMI_JISSHA_FULL) {
+		if(crc32_a == CRC32_AYUMI_CD || crc32_a == CRC32_AYUMI_JISSHA_256 || crc32_a == CRC32_AYUMI_JISSHA_FULL) {
 			p5 = 1;
 		}
-
 		ags->menu_w[index - 1].sx = column ? p1 * 8 : p1 & 0xfff8;
 		ags->menu_w[index - 1].sy = p2;
 		ags->menu_w[index - 1].ex = column ? p3 * 8 - 1 : (p3 & 0xfff8) - 1;
@@ -469,7 +468,7 @@ void NACT_Sys3::cmd_b()
 	} else if(cmd == 4) {
 		if(p5 == 0) {
 			// ウィンドウ退避
-			if(crc32 == CRC32_PROSTUDENTG_CD && p4) {
+			if(crc32_a == CRC32_PROSTUDENTG_CD && p4) {
 				// prostudent G オープニング画面化け対策
 				if(ags->text_w[index - 1].window) {
 					free(ags->text_w[index - 1].window);
@@ -586,7 +585,7 @@ void NACT_Sys3::cmd_i()
 
 	// X方向はカラム単位で切り捨て
 	sx = column ? sx * 8 : sx & 0xfff8;
-	ex = column ? ex * 8 - 1 : (crc32 == CRC32_NINGYO) ? (ex & 0xfff8) + 7 : (ex & 0xfff8) - 1;
+	ex = column ? ex * 8 - 1 : (crc32_a == CRC32_NINGYO) ? (ex & 0xfff8) + 7 : (ex & 0xfff8) - 1;
 	dx = column ? dx * 8 : dx & 0xfff8;
 	ags->copy(sx, sy, ex, ey, dx, dy);
 }
@@ -1075,7 +1074,7 @@ void NACT_Sys3::cmd_u()
 
 	output_console("\nU %d,%d:", page, transparent);
 
-	if(crc32 == CRC32_RANCE41 || crc32 == CRC32_RANCE42) {
+	if(crc32_a == CRC32_RANCE41 || crc32_a == CRC32_RANCE42) {
 		transparent = (transparent == 28) ? 12 : transparent;
 	}
 	ags->load_cg(page, transparent);
@@ -1413,7 +1412,7 @@ void NACT_Sys3::cmd_y()
 		case 231:
 			D01 = 640;
 			D02 = (param == 1) ? ags->screen_height : 480;
-			D03 = (crc32 == CRC32_YAKATA3_FD) ? 16 : 256;
+			D03 = (crc32_a == CRC32_YAKATA3_FD) ? 16 : 256;
 			break;
 		case 232:
 			if(ags->screen_height != param ? 480 : 400) {
@@ -1500,13 +1499,13 @@ void NACT_Sys3::cmd_y()
 			column = param ? false : true;
 			break;
 		case 252:
-			RND = (crc32 == CRC32_YAKATA3_FD) ? 4 : 8;
+			RND = (crc32_a == CRC32_YAKATA3_FD) ? 4 : 8;
 			break;
 		case 253:
 			show_push = (param == 0) ? true : false;
 			break;
 		case 254:
-			RND = (crc32 == CRC32_YAKATA3_CD || crc32 == CRC32_YAKATA3_FD || crc32 == CRC32_NINGYO) ? 1 : 0;
+			RND = (crc32_a == CRC32_YAKATA3_CD || crc32_a == CRC32_YAKATA3_FD || crc32_a == CRC32_NINGYO) ? 1 : 0;
 			break;
 		case 255:
 			post_quit = (param == 1) ? true : false;