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namco/namcos10.cpp: Add another decrypter and fixed nicetsuk inputs. (#11134)

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* Added decryption setup for Keroro Gunso Chikyu Shinryaku Shirei Dearimasu! [Samuel Neves, Peter Wilhelmsen]
* Fixed input mapping for Tsukkomi Yousei Gips Nice Tsukkomi.
* namco/ns10crypt.cpp: Allow client to provide initialisation vectors.
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987123879113 2023-04-21 17:28:58 +09:00 committed by GitHub
parent 73ff969a73
commit cf7a75a8b7
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 39 additions and 15 deletions
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45
src/mame/namco/namcos10.cpp
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@ -1061,7 +1061,7 @@ void namcos10_state::namcos10_base(machine_config &config)
SPEAKER(config, "rspeaker").front_right();
// CXD2938Q; SPU with CD-ROM controller - also seen in PSone, 101.4912MHz / 2
// TODO: This must be replaced with a proper CXD2938Q device, also handles CD-ROM?
// TODO: This must be replaced with a proper CXD2938Q device, CD-ROM functionality of chip not used
spu_device &spu(SPU(config, "spu", XTAL(101'491'200)/2, m_maincpu.target()));
spu.set_stream_flags(STREAM_SYNCHRONOUS);
spu.add_route(0, "lspeaker", 0.75);
@ -2122,7 +2122,28 @@ void namcos10_memn_state::ns10_keroro(machine_config &config)
namcos10_mgexio(config);
namcos10_nand_k9f5608u0d(config, 2);
// NS10_TYPE2_DECRYPTER(config, m_decrypter, 0, logic);
NS10_TYPE2_DECRYPTER(config, m_decrypter, 0, ns10_type2_decrypter_device::ns10_crypto_logic{
{
0x00000000000024,0x00000000000884,0x000000000e0a00,0x00000000000040,
0x0000000a002100,0x00000000002011,0x00000000004010,0x00050006000000,
0x0000000000a004,0x00000000001082,0x000500060000c0,0x00000000000403,
0x00000020014040,0x00000000001208,0x00000000000218,0x00000020014100
}, {
0x00000000000024,0x00000000000888,0x000000001c1200,0x00000000000020,
0x0000003a182101,0x00000000002012,0x00000000008010,0x00050000008000,
0x0000000000c004,0x00000000001084,0x00050000000140,0x00000000000803,
0x00000020014080,0x00000000002208,0x00000000000228,0x00000020014200
},
0xee91,
[] (uint64_t previous_cipherwords, uint64_t previous_plainwords) -> uint16_t {
uint64_t previous_masks = previous_cipherwords ^ previous_plainwords;
return ((previous_masks>>4) & ((previous_masks>>24) ^ (previous_masks>>26)) & 1) << 6;
},
[] (int iv) -> uint64_t {
constexpr uint64_t values[16]{ 0x0000, 0x0602, 0x0302, 0x0101, 0x0203, 0x0802, 0x0603, 0x0303, 0x0001, 0x0803, 0x0501, 0x0500, 0x0202, 0x0100, 0x0401, 0x0400 };
return values[iv];
}
});
}
void namcos10_memn_state::ns10_knpuzzle(machine_config &config)
@ -3013,16 +3034,16 @@ static INPUT_PORTS_START( nicetsuk )
PORT_MODIFY("IN1")
PORT_BIT( 0x0ff9ef40, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_BIT( 0x00000001, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_NAME("Up (SW)")
PORT_BIT( 0x00000002, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_NAME("Down (SW)")
PORT_BIT( 0x00000004, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_NAME("Down Select")
PORT_BIT( 0x00000008, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_NAME("Up Select")
PORT_BIT( 0x00000010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Enter")
PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Pedal")
PORT_BIT( 0x00000001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_NAME("Up") // Used in-game
PORT_BIT( 0x00000002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_NAME("Down")
PORT_BIT( 0x00000004, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Down Select") // Used in operator menu
PORT_BIT( 0x00000008, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("Up Select")
PORT_BIT( 0x00000010, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Enter")
PORT_BIT( 0x00000020, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Pedal")
PORT_BIT( 0x00000080, IP_ACTIVE_LOW, IPT_START1 ) PORT_NAME("Choose")
PORT_BIT( 0x00020000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Forehead/Odeko")
PORT_BIT( 0x00040000, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("Back of Head/Toubu")
PORT_BIT( 0x00001000, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Chest/Mune")
PORT_BIT( 0x00020000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("Forehead/Odeko")
PORT_BIT( 0x00040000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("Back of Head/Toubu")
PORT_BIT( 0x00001000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("Chest/Mune")
INPUT_PORTS_END
@ -3607,7 +3628,7 @@ GAME( 2004, sekaikh, 0, ns10_sekaikh, mgexio_medal, namcos10_memn_sta
GAME( 2004, sekaikha, sekaikh, ns10_sekaikh, mgexio_medal, namcos10_memn_state, init_sekaikh, ROT0, "Namco", "Sekai Kaseki Hakken (Japan, SKH1 Ver.A)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_CONTROLS | MACHINE_IMPERFECT_SOUND )
GAME( 2005, ballpom, 0, ns10_ballpom, mgexio_medal, namcos10_memn_state, init_ballpom, ROT0, "Namco", "Ball Pom Line", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_CONTROLS | MACHINE_IMPERFECT_SOUND ) // ROM VER. B0 FEB 09 2005 15:29:02 in test mode, boots but requires MGEXIO to proceed
GAME( 2005, medalnt, 0, ns10_medalnt, namcos10, namcos10_memn_state, init_medalnt, ROT0, "Namco", "Medal no Tatsujin Doki! Ooatari-Darake no Sugoroku Matsuri (MTL1 SPR0B)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND )
GAME( 2006, keroro, 0, ns10_keroro, mgexio_medal, namcos10_memn_state, init_keroro, ROT0, "Namco", "Keroro Gunso Chikyu Shinryaku Shirei Dearimasu! (KRG1 Ver.A)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_UNEMULATED_PROTECTION ) // ケロロ軍曹　地球侵略指令…であります！
GAME( 2006, keroro, 0, ns10_keroro, mgexio_medal, namcos10_memn_state, init_keroro, ROT0, "Namco", "Keroro Gunso Chikyu Shinryaku Shirei Dearimasu! (KRG1 Ver.A)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND ) // ケロロ軍曹　地球侵略指令…であります！
GAME( 2007, gegemdb, 0, ns10_gegemdb, mgexio_medal, namcos10_memn_state, empty_init, ROT0, "Namco", "Gegege no Kitaro Yokai Yokocho Matsuri de Battle Ja (GYM1 Ver.A)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND | MACHINE_UNEMULATED_PROTECTION ) // ゲゲゲの鬼太郎　妖怪横丁まつりでバトルじゃ
GAME( 2007, medalnt2, 0, ns10_medalnt2, namcos10, namcos10_memn_state, init_medalnt2, ROT0, "Namco", "Medal no Tatsujin 2 Atsumare! Go! Go! Sugoroku Sentai Don Ranger Five (MTA1 STMPR0A)", MACHINE_NOT_WORKING | MACHINE_IMPERFECT_SOUND ) // メダルの達人2 あつまれ!ゴー!ゴー!双六戦隊ドンレンジャーファイブ MTA100-1-ST-MPR0-A00 2007/01/30 19:51:54

7
src/mame/namco/ns10crypt.cpp
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@ -247,9 +247,10 @@ uint16_t ns10_type2_decrypter_device::decrypt(uint16_t cipherword)
void ns10_type2_decrypter_device::init(int iv)
{
// by now, only gamshara requires non-trivial initialization code; data
// should be moved to the per-game logic in case any other game do it differently
m_previous_cipherwords = bitswap(INIT_SBOX[iv], 3, 16, 16, 2, 1, 16, 16, 0, 16, 16, 16, 16, 16, 16, 16, 16);
if (m_logic.iv_calculation)
m_previous_cipherwords = m_logic.iv_calculation(iv);
else
m_previous_cipherwords = bitswap(INIT_SBOX[iv], 3, 16, 16, 2, 1, 16, 16, 0, 16, 16, 16, 16, 16, 16, 16, 16);
m_previous_plainwords = 0;
m_mask = 0;
}

2
src/mame/namco/ns10crypt.h
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@ -59,10 +59,12 @@ public:
struct ns10_crypto_logic
{
using nonlinear_calculation_function = uint16_t (*)(uint64_t, uint64_t);
using iv_calculation_function = uint64_t (*)(int);
uint64_t eMask[16]{};
uint64_t dMask[16]{};
uint16_t xMask = 0;
nonlinear_calculation_function nonlinear_calculation = nullptr; // preliminary encoding; need research
iv_calculation_function iv_calculation = nullptr;
};
ns10_type2_decrypter_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);