From 89af2ffaa9d932085d9bad782e0ca9bbdf98f35f Mon Sep 17 00:00:00 2001 From: Ivan Vangelista Date: Thu, 15 Aug 2024 07:18:09 +0200 Subject: New systems marked not working ------------------------------ Long Teng Hu Yue [dyq, little0, Guru] - igs/igs_m027.cpp: preliminary decryption for lthy [IQ_132] --- src/mame/igs/igs_m027.cpp | 63 +++++++++++++++++++++++++++++++++++++++++++++++ src/mame/igs/pgmcrypt.cpp | 45 +++++++++++++++++++++++++++++++++ src/mame/igs/pgmcrypt.h | 1 + src/mame/mame.lst | 1 + 4 files changed, 110 insertions(+) diff --git a/src/mame/igs/igs_m027.cpp b/src/mame/igs/igs_m027.cpp index 3bb58b08da4..f096d3acf92 100644 --- a/src/mame/igs/igs_m027.cpp +++ b/src/mame/igs/igs_m027.cpp @@ -79,6 +79,7 @@ public: void init_olympic5(); void init_tripfev(); void init_wldfruit(); + void init_lthy(); [[maybe_unused]] void init_no_dec(); protected: @@ -859,6 +860,60 @@ ROM_START( mgzz ) // IGS PCB 0295-00 (IGS027A, M6295, IGS031, 8255, Battery) ROM_LOAD( "sp.u14", 0x00000, 0x80000, CRC(f037952e) SHA1(0fa83e164937c9e8245861da7fd11f225525918d) ) ROM_END +/********************************************************************************* + +Long Teng Hu Yue, IGS 1999 + +PCB Layout +---------- + +IGS PCB-0227-03 +|-----------------------------------------| +| JAMMA | +|1 M2401.U17 | +|8 22MHz 27C4096.U9 | +|W SW1 | +|A SW2 | +|Y LM2933 | +| IGS031 PAL | +| 61256 | +| IGS027A | +| 82C55 (LABEL D6) +|1 27C4096.U10 | +|0 35256 | +|W | +|A 7805 | +|Y TDA1020 T518B BATTERY | +| VOL K668 S2402.U14 SW3| +|-----------------------------------------| +Notes: + K668 - Oki M6295 clone. Clock 1.000MHz [22/22]. Pin 7 HIGH. + SW1/2 - 8-Position DIP Switch + SW3 - Reset / NVRAM Clear + 61256 - EliteMT LP61256 32kBx8-bit SRAM (SOJ28) + 35256 - Sanyo LC35256 32kBx8-bit SRAM (SOP28) + T518B - Reset IC + +*********************************************************************************/ + +ROM_START( lthy ) // appears to be a different edition of lhzb3 (GFX and sound ROM match) + ROM_REGION( 0x04000, "maincpu", 0 ) + // Internal ROM of IGS027A type G ARM based MCU + ROM_LOAD( "d6_igs027a", 0x00000, 0x4000, NO_DUMP ) + + ROM_REGION32_LE( 0x80000, "user1", 0 ) // external ARM data / prg + ROM_LOAD( "27c4096.u10", 0x000000, 0x80000, CRC(bd04f2e9) SHA1(3d5a2101c7214a37f159e0d17f3e66a9b6ab94ff) ) + + ROM_REGION( 0x80000, "igs017_igs031:tilemaps", 0 ) + ROM_LOAD( "27c4096.u9", 0x000000, 0x80000, CRC(a82398a9) SHA1(4d2987f57096b7f24ce6571ed3be6dcb33bce88d) ) + + ROM_REGION( 0x400000, "igs017_igs031:sprites", 0 ) + ROM_LOAD( "m2401.u17", 0x000000, 0x400000, CRC(81428f18) SHA1(9fb19c8a79cc3443642f4b044e04735df2cb45be) ) // FIXED BITS (xxxxxxxx0xxxxxxx) + + ROM_REGION( 0x100000, "oki", 0 ) + ROM_LOAD( "s2402.u14", 0x000000, 0x100000, CRC(56083fe2) SHA1(62afd651809bf5e639bfda6e5579dbf4b903b664) ) +ROM_END + /* @@ -1531,6 +1586,13 @@ void igs_m027_state::init_wldfruit() pgm_create_dummy_internal_arm_region(); } +void igs_m027_state::init_lthy() +{ + lthy_decrypt(machine()); + //qlgs_gfx_decrypt(machine()); + pgm_create_dummy_internal_arm_region(); +} + } // anonymous namespace @@ -1547,6 +1609,7 @@ GAME( 1999, amazonkp, amazonia, igs_mahjong, amazonia, igs_m027_state, init_ama GAME( 1999, fruitpar, 0, igs_mahjong, sdwx, igs_m027_state, init_fruitpar, ROT0, "IGS", "Fruit Paradise (V214)", MACHINE_IS_SKELETON ) GAME( 1999, oceanpar, 0, igs_mahjong, sdwx, igs_m027_state, init_oceanpar, ROT0, "IGS", "Ocean Paradise (V105US)", MACHINE_IS_SKELETON ) // 1999 copyright in ROM GAME( 1999, oceanpara, oceanpar, igs_mahjong, sdwx, igs_m027_state, init_oceanpar, ROT0, "IGS", "Ocean Paradise (V101US)", MACHINE_IS_SKELETON ) // 1999 copyright in ROM +GAME( 1999, lthy, 0, igs_mahjong, sdwx, igs_m027_state, init_lthy, ROT0, "IGS", "Long Teng Hu Yue", MACHINE_IS_SKELETON ) GAME( 200?, luckycrs, 0, igs_mahjong, sdwx, igs_m027_state, init_luckycrs, ROT0, "IGS", "Lucky Cross (V106SA)", MACHINE_IS_SKELETON ) 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?) GAME( 200?, jking02, 0, igs_mahjong, sdwx, igs_m027_state, init_jking02, ROT0, "IGS", "Jungle King 2002 (V209US)", MACHINE_IS_SKELETON ) diff --git a/src/mame/igs/pgmcrypt.cpp b/src/mame/igs/pgmcrypt.cpp index bf40b16c7bf..2b65de1dab4 100644 --- a/src/mame/igs/pgmcrypt.cpp +++ b/src/mame/igs/pgmcrypt.cpp @@ -2273,3 +2273,48 @@ void wldfruit_decrypt(running_machine &machine) src[i] = x; } } + + +static const uint8_t lthy_tab[0x100] = { // IGS MAHJONG CHINA S104CN + 0x08, 0xb1, 0x64, 0x36, 0x90, 0xfa, 0x88, 0xbf, 0xca, 0xd6, 0xcf, 0x87, 0x5b, 0x88, 0xf7, 0xc6, + 0x32, 0xfe, 0x7d, 0xcc, 0xc2, 0x3d, 0xfb, 0x0c, 0x81, 0x0c, 0xc2, 0x6c, 0xa0, 0xe0, 0xb3, 0xcc, + 0x0d, 0x08, 0x63, 0xd5, 0xa7, 0x19, 0x6f, 0x03, 0xc1, 0x9c, 0x1c, 0xf6, 0xd9, 0xf7, 0x33, 0xf5, + 0x9a, 0x99, 0x1c, 0xc3, 0x0f, 0x6a, 0x3a, 0xa7, 0x29, 0x71, 0x86, 0xb6, 0x75, 0xc8, 0x6e, 0x64, + 0x16, 0xbd, 0xf0, 0x4a, 0x09, 0x4a, 0xf3, 0x39, 0x9a, 0xb7, 0xe5, 0x81, 0x21, 0x8e, 0x9b, 0x7b, + 0x02, 0xbf, 0x65, 0x5d, 0xe4, 0x14, 0x71, 0x3f, 0x31, 0xd8, 0x62, 0x68, 0xcf, 0xc3, 0x31, 0xdf, + 0x1c, 0x2a, 0x43, 0x2e, 0x2f, 0x64, 0xcc, 0x79, 0x4e, 0x7f, 0x63, 0xc0, 0xab, 0x24, 0xe6, 0x71, + 0x64, 0xc8, 0x91, 0x31, 0xba, 0x15, 0x5a, 0xec, 0x90, 0x98, 0x8f, 0x1b, 0x26, 0xab, 0xb2, 0x55, + 0x17, 0xa5, 0x95, 0x19, 0x91, 0x41, 0xb2, 0xda, 0xd5, 0x4d, 0xcd, 0x4c, 0xef, 0x94, 0xcd, 0xee, + 0xb6, 0x0c, 0xd6, 0xd8, 0x06, 0x44, 0xac, 0xc7, 0x3d, 0x09, 0x44, 0x66, 0xf4, 0x58, 0xac, 0xdf, + 0xff, 0x88, 0x1d, 0xa2, 0xa7, 0xb8, 0x5e, 0x75, 0x27, 0x77, 0x5b, 0xbd, 0x64, 0xb3, 0x06, 0x0b, + 0xf1, 0xe4, 0x6f, 0xea, 0x43, 0x79, 0x1f, 0xe8, 0x31, 0x82, 0xb9, 0xe2, 0xaf, 0xa0, 0xd4, 0x95, + 0xcc, 0x2a, 0x13, 0x62, 0xe9, 0xa1, 0x86, 0x61, 0x3b, 0x56, 0x46, 0xaa, 0x84, 0x5a, 0x4b, 0xe0, + 0x0d, 0xa6, 0x91, 0xfe, 0xe8, 0x8c, 0x6b, 0x66, 0x64, 0x5d, 0x27, 0x27, 0xd0, 0x5c, 0xe4, 0x8e, + 0x75, 0xe3, 0xaf, 0xf1, 0xce, 0xd4, 0xe5, 0xb7, 0x0a, 0x43, 0xc5, 0xac, 0xc5, 0x61, 0x54, 0x84, + 0x02, 0xac, 0x76, 0xad, 0x6c, 0x55, 0x49, 0x59, 0xce, 0xf1, 0xc5, 0xcc, 0xd0, 0x64, 0x93, 0xe3 +}; + +void lthy_decrypt(running_machine &machine) +{ + auto const src = reinterpret_cast(machine.root_device().memregion("user1")->base()); + + int const rom_size = 0x80000; + + for (int i = 0; i < rom_size / 2; i++) + { + uint16_t x = src[i]; + + IGS27_CRYPT1 + IGS27_CRYPT2_ALT // correct-85a8 + IGS27_CRYPT3 // correct-85a8 + IGS27_CRYPT4 // correct-85a8 + IGS27_CRYPT5 // correct-125c0 + IGS27_CRYPT6_ALT // correct + IGS27_CRYPT7 // ? + IGS27_CRYPT8 // correct 12c0 + + x ^= lthy_tab[(i>> 1) & 0xff] << 8; + + src[i] = x; + } +} diff --git a/src/mame/igs/pgmcrypt.h b/src/mame/igs/pgmcrypt.h index 618b14a768a..944510fb7aa 100644 --- a/src/mame/igs/pgmcrypt.h +++ b/src/mame/igs/pgmcrypt.h @@ -52,3 +52,4 @@ void olympic5_decrypt(running_machine &machine); void icescape_decrypt(running_machine &machine); void tripfev_decrypt(running_machine &machine); void wldfruit_decrypt(running_machine &machine); +void lthy_decrypt(running_machine &machine); diff --git a/src/mame/mame.lst b/src/mame/mame.lst index 30d03d75b39..f821a24bd94 100644 --- a/src/mame/mame.lst +++ b/src/mame/mame.lst @@ -20229,6 +20229,7 @@ jking02 // (c) 200? klxyj // (c) 200? lhzb3 // (c) 200? lhzb4 // (c) 200? +lthy // (c) 1999 luckycrs // (c) 200? mgcs3 // (c) 200? mgfx // (c) 200? -- cgit v1.2.3