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https://github.com/holub/mame
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igs/igs_m027.cpp: added preliminary decryptions for jking02, luckycrs and olympic5 [IQ_132]
This commit is contained in:
Ivan Vangelista
parent
9f31d42e2d
commit
0103e4da7f
@ -71,6 +71,9 @@ public:
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void init_mgzz();
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void init_mgcs3();
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void init_crzybugs();
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void init_jking02();
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void init_luckycrs();
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void init_olympic5();
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[[maybe_unused]] void init_no_dec();
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protected:
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@ -1340,6 +1343,27 @@ void igs_m027_state::init_crzybugs()
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pgm_create_dummy_internal_arm_region();
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}
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void igs_m027_state::init_jking02()
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{
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jking02_decrypt(machine());
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//qlgs_gfx_decrypt(machine());
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pgm_create_dummy_internal_arm_region();
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}
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void igs_m027_state::init_luckycrs()
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{
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luckycrs_decrypt(machine());
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//qlgs_gfx_decrypt(machine());
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pgm_create_dummy_internal_arm_region();
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}
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void igs_m027_state::init_olympic5()
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{
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olympic5_decrypt(machine());
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//qlgs_gfx_decrypt(machine());
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pgm_create_dummy_internal_arm_region();
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}
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} // anonymous namespace
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@ -1356,11 +1380,11 @@ GAME( 1999, amazonkp, amazonia, igs_mahjong, amazonia, igs_m027_state, init_ama
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GAME( 1999, fruitpar, 0, igs_mahjong, sdwx, igs_m027_state, init_fruitpar, ROT0, "IGS", "Fruit Paradise (V214)", MACHINE_IS_SKELETON )
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GAME( 1999, oceanpar, 0, igs_mahjong, sdwx, igs_m027_state, init_oceanpar, ROT0, "IGS", "Ocean Paradise (V105US)", MACHINE_IS_SKELETON ) // 1999 copyright in ROM
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GAME( 1999, oceanpara, oceanpar, igs_mahjong, sdwx, igs_m027_state, init_oceanpar, ROT0, "IGS", "Ocean Paradise (V101US)", MACHINE_IS_SKELETON ) // 1999 copyright in ROM
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GAME( 200?, luckycrs, 0, igs_mahjong, sdwx, igs_m027_state, init_no_dec, ROT0, "IGS", "Lucky Cross (V106SA)", MACHINE_IS_SKELETON )
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GAME( 200?, luckycrs, 0, igs_mahjong, sdwx, igs_m027_state, init_luckycrs, ROT0, "IGS", "Lucky Cross (V106SA)", MACHINE_IS_SKELETON )
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GAME( 2002, sdwx, 0, igs_mahjong, sdwx, igs_m027_state, init_sdwx, ROT0, "IGS", "Sheng Dan Wu Xian", MACHINE_IS_SKELETON ) // aka Christmas 5 Line? (or Amazonia King II, shares roms at least?)
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GAME( 200?, jking02, 0, igs_mahjong, sdwx, igs_m027_state, init_no_dec, ROT0, "IGS", "Jungle King 2002 (V209US)", MACHINE_IS_SKELETON )
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GAME( 200?, olympic5, 0, igs_mahjong, sdwx, igs_m027_state, init_no_dec, ROT0, "IGS", "Olympic 5 (V112US)", MACHINE_IS_SKELETON )
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GAME( 200?, olympic5a, 0, igs_mahjong, sdwx, igs_m027_state, init_no_dec, ROT0, "IGS", "Olympic 5 (V107US)", MACHINE_IS_SKELETON )
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GAME( 200?, jking02, 0, igs_mahjong, sdwx, igs_m027_state, init_jking02, ROT0, "IGS", "Jungle King 2002 (V209US)", MACHINE_IS_SKELETON )
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GAME( 2005, olympic5, 0, igs_mahjong, sdwx, igs_m027_state, init_olympic5, ROT0, "IGS", "Olympic 5 (V112US)", MACHINE_IS_SKELETON ) // IGS FOR V112US 2005 02 14
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GAME( 2003, olympic5a, olympic5, igs_mahjong, sdwx, igs_m027_state, init_olympic5, ROT0, "IGS", "Olympic 5 (V107US)", MACHINE_IS_SKELETON ) // IGS FOR V107US 2003 10 2
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GAME( 2003, amazoni2, 0, igs_mahjong, sdwx, igs_m027_state, init_amazoni2, ROT0, "IGS", "Amazonia King II (V202BR)", MACHINE_IS_SKELETON )
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GAME( 200?, sddz, 0, igs_mahjong, sdwx, igs_m027_state, init_sddz, ROT0, "IGS", "Super Dou Di Zhu", MACHINE_IS_SKELETON )
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GAME( 2000, zhongguo, 0, igs_mahjong, sdwx, igs_m027_state, init_zhongguo, ROT0, "IGS", "Zhong Guo Chu Da D", MACHINE_IS_SKELETON )
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@ -5,7 +5,7 @@
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the IGS027 chips are typically used with encrypted ROMs.
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Games with an External ARM Rom usually have that ROM encrypted
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Games with an External ARM ROM usually have that ROM encrypted
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otherwise (in the case of PGM) the 68k ROM ends up encrypted
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instead. The encryption is controlled by a set of registers
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mapped to ARM space where the table and some additional values
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@ -1957,3 +1957,138 @@ void qlgs_decrypt(running_machine &machine)
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src[i] = x;
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}
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}
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static const uint8_t jking02_tab[0x100] = {
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0x49, 0x47, 0x53, 0x30, 0x30, 0x30, 0x34, 0x52, 0x44, 0x34, 0x30, 0x31, 0x30, 0x39, 0x32, 0x31, // IGS0004RD4010921
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0xa5, 0x04, 0x3d, 0x57, 0xe3, 0x8d, 0x44, 0xf3, 0x50, 0x21, 0x8a, 0xe5, 0x75, 0x22, 0x3a, 0xb3,
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0xd5, 0x76, 0x66, 0x07, 0x89, 0xd4, 0xb8, 0x96, 0x20, 0x4e, 0x77, 0x53, 0xb5, 0x20, 0xbd, 0xd6,
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0x52, 0xb8, 0xf7, 0x07, 0x85, 0x05, 0x9d, 0x0f, 0x41, 0x04, 0x33, 0x80, 0xf7, 0x89, 0x81, 0xc3,
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0xf5, 0x4b, 0x0e, 0xc2, 0xfe, 0x33, 0xe3, 0xd7, 0x2b, 0xe6, 0x7e, 0xf5, 0x02, 0x91, 0x14, 0x15,
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0xd4, 0xf4, 0x0c, 0xe4, 0x5c, 0xb2, 0xb8, 0xab, 0x95, 0xd7, 0x56, 0x7e, 0xdc, 0xaa, 0x47, 0xa9,
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0x47, 0xb6, 0x8e, 0x57, 0x44, 0x13, 0x8c, 0x84, 0x76, 0xfa, 0xfa, 0x26, 0xcc, 0x89, 0x27, 0x97,
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0xe3, 0xd2, 0x74, 0x46, 0x9f, 0x2b, 0x0d, 0x9f, 0x04, 0xb1, 0xe9, 0x37, 0x5a, 0x1e, 0x05, 0x3c,
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0x82, 0xce, 0xdc, 0x1d, 0x92, 0x0c, 0x2a, 0x75, 0xb8, 0xa1, 0xe3, 0x3e, 0x4d, 0x9f, 0x6e, 0x33,
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0x38, 0x6a, 0x26, 0x85, 0x86, 0x08, 0x13, 0xc3, 0x47, 0xab, 0xe5, 0x04, 0xab, 0x7d, 0x32, 0x56,
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0x5e, 0xab, 0xf1, 0x6b, 0x21, 0xb4, 0x37, 0x82, 0xa9, 0xf4, 0x30, 0x94, 0xbc, 0x6c, 0x61, 0xc1,
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0x8a, 0xd3, 0x1c, 0xfa, 0x49, 0xe3, 0x44, 0xef, 0x15, 0xdd, 0x42, 0x3b, 0x07, 0x5e, 0x48, 0xce,
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0x94, 0x66, 0xc5, 0x9b, 0x27, 0xa6, 0x29, 0x84, 0x02, 0x0a, 0xdb, 0x82, 0x52, 0x87, 0x77, 0x19,
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0x91, 0x26, 0x4c, 0xfb, 0x21, 0x51, 0x16, 0xfb, 0x26, 0x5e, 0xf8, 0x35, 0xa5, 0x5a, 0xbd, 0x7c,
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0xda, 0x17, 0x50, 0x04, 0xde, 0x78, 0x79, 0x51, 0x7a, 0xfc, 0xda, 0x5f, 0x46, 0x89, 0x29, 0x13,
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0x06, 0x7b, 0xaf, 0xe2, 0x46, 0xed, 0x02, 0xc0, 0x33, 0x46, 0xff, 0x4b, 0xbd, 0x08, 0x0a, 0x38
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};
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void jking02_decrypt(running_machine &machine)
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{
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auto const src = reinterpret_cast<u16 *>(machine.root_device().memregion("user1")->base());
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int const rom_size = 0x80000;
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for (int i = 0; i < rom_size / 2; i++)
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{
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uint16_t x = src[i];
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// probably needs work...
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IGS27_CRYPT1
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IGS27_CRYPT2_ALT
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// IGS27_CRYPT3
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IGS27_CRYPT4
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IGS27_CRYPT5
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IGS27_CRYPT6_ALT
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IGS27_CRYPT7
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IGS27_CRYPT8
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x ^= jking02_tab[(i>> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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static const uint8_t luckycrs_tab[0x100] = {
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0x4b, 0x99, 0xa3, 0xa6, 0x69, 0xad, 0xb2, 0x1e, 0x42, 0x9a, 0x02, 0x91, 0x04, 0x90, 0x64, 0xcf,
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0x68, 0xe0, 0xa3, 0x8e, 0x1b, 0x53, 0x8d, 0xe6, 0x6f, 0xcd, 0x40, 0x09, 0x42, 0x23, 0xb7, 0x47,
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0x2f, 0x39, 0x95, 0x41, 0xf4, 0x60, 0x30, 0x6d, 0x23, 0xee, 0xe1, 0xcb, 0x0d, 0x1f, 0x8b, 0xe5,
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0xec, 0x2c, 0x69, 0x0d, 0x50, 0xaa, 0x1d, 0xd2, 0xcc, 0x25, 0xf7, 0xc4, 0xe0, 0xfd, 0x82, 0x6a,
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0x2a, 0x80, 0x55, 0x81, 0xc9, 0x48, 0x18, 0x76, 0x12, 0xd7, 0xd5, 0x26, 0x77, 0x72, 0x81, 0xd4,
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0xb3, 0x3b, 0xca, 0x6b, 0x3b, 0x92, 0x23, 0xf6, 0xe1, 0xad, 0x0e, 0x5d, 0xcb, 0x76, 0xa9, 0x62,
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0x94, 0xa5, 0x7c, 0xdc, 0xc0, 0x1e, 0x81, 0x32, 0x65, 0x8d, 0x75, 0x1b, 0x18, 0x3f, 0x5e, 0x94,
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0x16, 0x44, 0x5d, 0x21, 0xb4, 0xc3, 0xb6, 0x49, 0x08, 0x9d, 0x1d, 0x4c, 0xd9, 0x46, 0x43, 0x27,
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0xc5, 0xe0, 0xa1, 0xcb, 0xb1, 0x99, 0x84, 0x99, 0x76, 0x46, 0x5a, 0x21, 0xc9, 0x40, 0x3c, 0x1c,
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0x6b, 0x7f, 0xbb, 0xa7, 0x93, 0xf6, 0xef, 0xc2, 0x99, 0x2e, 0xbe, 0x09, 0xe3, 0x25, 0x69, 0xb1,
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0x15, 0x69, 0x5e, 0xc6, 0x74, 0x71, 0x39, 0xa3, 0x9b, 0x3c, 0x1b, 0xb2, 0x63, 0x2d, 0x30, 0x65,
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0x0c, 0x25, 0x7c, 0x75, 0xb0, 0xe1, 0xe5, 0x5a, 0xea, 0x97, 0x86, 0x0b, 0xc2, 0xcc, 0x33, 0xf8,
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0xdc, 0x79, 0x48, 0x44, 0xe1, 0x5e, 0xb7, 0x47, 0x2e, 0xa6, 0x51, 0x44, 0xbc, 0xbc, 0x54, 0x67,
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0x50, 0x6d, 0x36, 0x03, 0xe3, 0x3f, 0xb1, 0x09, 0x54, 0x10, 0x10, 0xcc, 0x4c, 0xf3, 0xb8, 0xf3,
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0x72, 0x47, 0xf9, 0xbf, 0xd1, 0x19, 0x17, 0x7f, 0x86, 0xbc, 0x94, 0x50, 0xae, 0xa7, 0xc0, 0x1a,
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0x8e, 0x8f, 0x84, 0xc8, 0x05, 0xc5, 0x6b, 0xc7, 0x2f, 0xd2, 0xf1, 0xc2, 0x5b, 0x50, 0x11, 0x9b
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};
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void luckycrs_decrypt(running_machine &machine)
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{
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auto const src = reinterpret_cast<u16 *>(machine.root_device().memregion("user1")->base());
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int const rom_size = 0x80000;
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for (int i = 0; i < rom_size / 2; i++)
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{
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uint16_t x = src[i];
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// fairly high confidence in conditional xors with comments
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IGS27_CRYPT1_ALT // 3900
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IGS27_CRYPT2 // 8bd0
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IGS27_CRYPT3 // 3a20
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IGS27_CRYPT4_ALT // 8db0
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IGS27_CRYPT5_ALT // 140d0
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IGS27_CRYPT6_ALT
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IGS27_CRYPT7
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IGS27_CRYPT8_ALT // 3a40
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x ^= luckycrs_tab[(i>> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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static const uint8_t olympic5_tab[0x100] = {
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0x49, 0x47, 0x53, 0x30, 0x30, 0x34, 0x34, 0x52, 0x44, 0x34, 0x30, 0x32, 0x30, 0x35, 0x33, 0x31, // IGS0044RD4020531
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0xb6, 0x32, 0xe0, 0xf9, 0x95, 0x3c, 0xa7, 0x99, 0xd9, 0x14, 0xf0, 0x81, 0x05, 0xd5, 0xc4, 0xe8,
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0x64, 0x59, 0x78, 0x83, 0xe5, 0xca, 0xaa, 0xaf, 0x37, 0x66, 0x80, 0xe1, 0x20, 0x92, 0x1d, 0x50,
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0x23, 0x22, 0x64, 0xe1, 0x53, 0xe8, 0xf1, 0x53, 0x71, 0x7b, 0x54, 0xab, 0x4d, 0x49, 0x90, 0xe2,
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0x5b, 0xdf, 0xd3, 0xcd, 0x93, 0x78, 0x78, 0x4e, 0x8f, 0xc5, 0x3b, 0xb9, 0xe0, 0xfc, 0xbb, 0x89,
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0xb1, 0x23, 0x35, 0x44, 0x9f, 0x9e, 0x7f, 0xac, 0xd7, 0xf8, 0x44, 0x27, 0x72, 0xee, 0x7e, 0x71,
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0x0d, 0xc2, 0x39, 0x80, 0xad, 0xbe, 0x86, 0xb7, 0xd2, 0x06, 0xbd, 0x50, 0xd9, 0xa3, 0xf8, 0x03,
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0x97, 0xcd, 0xcd, 0xfc, 0x33, 0x79, 0x4b, 0xfc, 0x44, 0x23, 0x37, 0xcd, 0x2c, 0xdd, 0x88, 0xec,
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0xb4, 0x99, 0x20, 0x72, 0xe9, 0xb3, 0xcd, 0x44, 0x36, 0xc2, 0x80, 0x7c, 0xc3, 0xa0, 0xcc, 0x16,
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0x0d, 0xb8, 0xa2, 0xdf, 0xc6, 0x8f, 0x4b, 0x9b, 0xef, 0x95, 0xa7, 0x76, 0x34, 0x2e, 0xa4, 0xad,
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0x88, 0xfc, 0x01, 0x7d, 0x01, 0x70, 0x45, 0x4c, 0xf6, 0x91, 0xfa, 0x16, 0x56, 0x0b, 0x2f, 0x1b,
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0x4c, 0x7a, 0x2d, 0xc7, 0x11, 0xf9, 0x79, 0xe1, 0x11, 0xe6, 0x0a, 0xf8, 0x41, 0xf8, 0xcc, 0x0b,
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0xc0, 0x85, 0x54, 0x77, 0xac, 0x0c, 0xe6, 0x27, 0x47, 0x0a, 0xa5, 0xf6, 0x4b, 0xfb, 0x19, 0x68,
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0x8b, 0xae, 0xe6, 0x8a, 0xcb, 0xce, 0xcb, 0x27, 0xe0, 0xae, 0xd9, 0x2c, 0x0c, 0x54, 0xf6, 0x5e,
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0x94, 0xc9, 0x91, 0x3a, 0xa3, 0xa0, 0xa7, 0x2c, 0x63, 0xc5, 0xf7, 0xf5, 0x59, 0x88, 0x81, 0x56,
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0x02, 0xea, 0x45, 0x02, 0xac, 0x27, 0x3a, 0xc3, 0x96, 0x83, 0x8c, 0xeb, 0x4b, 0x5a, 0x1a, 0xfd,
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};
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void olympic5_decrypt(running_machine &machine)
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{
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auto const src = reinterpret_cast<u16 *>(machine.root_device().memregion("user1")->base());
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int const rom_size = 0x80000;
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for (int i = 0; i < rom_size / 2; i++)
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{
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uint16_t x = src[i];
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// fairly high confidence in conditional xors with comments
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IGS27_CRYPT1 // 2df0
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IGS27_CRYPT2_ALT // ac50
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IGS27_CRYPT3
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IGS27_CRYPT4 // 2df0
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IGS27_CRYPT5 // 109f0
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IGS27_CRYPT6
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IGS27_CRYPT7
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IGS27_CRYPT8 // 3340
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x ^= olympic5_tab[(i>> 1) & 0xff] << 8;
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src[i] = x;
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}
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}
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@ -45,3 +45,6 @@ void mgzz_decrypt(running_machine &machine);
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void mgcs3_decrypt(running_machine &machine);
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void crzybugs_decrypt(running_machine &machine);
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void qlgs_decrypt(running_machine &machine);
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void jking02_decrypt(running_machine &machine);
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void luckycrs_decrypt(running_machine &machine);
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void olympic5_decrypt(running_machine &machine);
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@ -20220,8 +20220,8 @@ mgfx // (c) 200?
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mgzz // (c) 2003
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oceanpar //
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oceanpara //
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olympic5 // (c) 200?
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olympic5a // (c) 200?
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olympic5 // (c) 2005
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olympic5a // (c) 2003
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qlgs // (c) 1999
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sddz // (c) 200?
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sdwx // (c) 2002
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