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machine/segacrpt_device.cpp: updated documentation [Brian Troha]

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This commit is contained in:
Ivan Vangelista 2023-03-21 07:20:50 +01:00
parent f4b165a631
commit c66f871b45
7 changed files with 67 additions and 35 deletions
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54
src/devices/machine/segacrpt_device.cpp
View File

@ -105,6 +105,7 @@
List of encrypted games currently known:
CPU Part # Game Comments
315-5006 Monster Bash same encryption scheme as 315-5096 - Spatter
315-5010 Pengo unencrypted version available
315-5013 Super Zaxxon used Zaxxon for known plaintext attack
315-5014 Buck Rogers / Zoom 909 unencrypted version available
@ -123,18 +124,21 @@
315-5064 Water Match used Mister Viking for k.p.a.
315-5065 Bull Fight
315-5069 Star Force game by Tehkan; same key as Super Locomotive
???-???? Spatter same encryption scheme is used by the Falcon 03155096 CPU (Z80)
315-5084 Jongkyo TABLE INCOMPLETE game by Kiwako; also has a simple bitswap on top
315-5093 Pitfall II
315-5096 Spatter same encryption scheme is used by the Falcon 03155096 CPU (Z80)
315-5098 Ninja Princess unencrypted version available; same key as Up'n Down
315-5099 Spatter
315-5102 Sega Ninja unencrypted version available
315-5110 I'm Sorry used My Hero for k.p.a.
315-5114 Champion Pro Wrestling same key as Regulus
315-5115 TeddyBoy Blues
315-5128 Pinball Action game by Tehkan; also has a simple bitswap on top
315-5132 My Hero
315-5133 Ninja Princess exactly the same as Sega 315-5048?
315-5135 Heavy Metal &
Wonder Boy (set 1a & 3; bootlegs?)
315-5155 TeddyBoy Blues
Some text found in the ROMs:
@ -254,32 +258,32 @@ static void decode(uint8_t *data, uint8_t *opcodes, int size, const uint8_t conv
DEFINE_DEVICE_TYPE(SEGA_315_5132, sega_315_5132_device, "sega_315_5132", "Sega 315-5132")
DEFINE_DEVICE_TYPE(SEGA_315_5155, sega_315_5155_device, "sega_315_5155", "Sega 315-5155")
DEFINE_DEVICE_TYPE(SEGA_315_5110, sega_315_5110_device, "sega_315_5110", "Sega 315-5110")
DEFINE_DEVICE_TYPE(SEGA_315_5135, sega_315_5135_device, "sega_315_5135", "Sega 315-5135")
DEFINE_DEVICE_TYPE(SEGA_315_5051, sega_315_5051_device, "sega_315_5051", "Sega 315-5051")
DEFINE_DEVICE_TYPE(SEGA_315_5098, sega_315_5098_device, "sega_315_5098", "Sega 315-5098") // also 315-5030 ?
DEFINE_DEVICE_TYPE(SEGA_315_5102, sega_315_5102_device, "sega_315_5102", "Sega 315-5102")
DEFINE_DEVICE_TYPE(SEGA_315_5065, sega_315_5065_device, "sega_315_5065", "Sega 315-5065")
DEFINE_DEVICE_TYPE(SEGA_315_5064, sega_315_5064_device, "sega_315_5064", "Sega 315-5064")
DEFINE_DEVICE_TYPE(SEGA_315_5006, sega_315_5006_device, "sega_315_5006", "Sega 315-5006")
DEFINE_DEVICE_TYPE(SEGA_315_5010, sega_315_5010_device, "sega_315_5010", "Sega 315-5010")
DEFINE_DEVICE_TYPE(SEGA_315_5013, sega_315_5013_device, "sega_315_5013", "Sega 315-5013")
DEFINE_DEVICE_TYPE(SEGA_315_5014, sega_315_5014_device, "sega_315_5014", "Sega 315-5014")
DEFINE_DEVICE_TYPE(SEGA_315_5015, sega_315_5015_device, "sega_315_5015", "Sega 315-5015")
DEFINE_DEVICE_TYPE(SEGA_315_5018, sega_315_5018_device, "sega_315_5018", "Sega 315-5018")
DEFINE_DEVICE_TYPE(SEGA_315_5028, sega_315_5028_device, "sega_315_5028", "Sega 315-5028")
DEFINE_DEVICE_TYPE(SEGA_315_5033, sega_315_5033_device, "sega_315_5033", "Sega 315-5033")
DEFINE_DEVICE_TYPE(SEGA_315_5041, sega_315_5041_device, "sega_315_5041", "Sega 315-5041")
DEFINE_DEVICE_TYPE(SEGA_315_5048, sega_315_5048_device, "sega_315_5048", "Sega 315-5048")
DEFINE_DEVICE_TYPE(SEGA_315_5093, sega_315_5093_device, "sega_315_5093", "Sega 315-5093")
DEFINE_DEVICE_TYPE(SEGA_315_5099, sega_315_5099_device, "sega_315_5099", "Sega 315-5099")
DEFINE_DEVICE_TYPE(SEGA_315_5015, sega_315_5015_device, "sega_315_5015", "Sega 315-5015")
DEFINE_DEVICE_TYPE(SEGA_315_5133, sega_315_5133_device, "sega_315_5133", "Sega 315-5133") // exactly the same as Sega 315-5048?
DEFINE_DEVICE_TYPE(SEGA_315_5051, sega_315_5051_device, "sega_315_5051", "Sega 315-5051")
DEFINE_DEVICE_TYPE(SEGA_315_5061, sega_315_5061_device, "sega_315_5061", "Sega 315-5061")
DEFINE_DEVICE_TYPE(SEGA_315_5028, sega_315_5028_device, "sega_315_5028", "Sega 315-5028")
DEFINE_DEVICE_TYPE(SEGA_315_5064, sega_315_5064_device, "sega_315_5064", "Sega 315-5064")
DEFINE_DEVICE_TYPE(SEGA_315_5065, sega_315_5065_device, "sega_315_5065", "Sega 315-5065")
DEFINE_DEVICE_TYPE(SEGA_315_5084, sega_315_5084_device, "sega_315_5084", "Sega 315-5084")
DEFINE_DEVICE_TYPE(SEGA_315_5013, sega_315_5013_device, "sega_315_5013", "Sega 315-5013")
DEFINE_DEVICE_TYPE(SEGA_315_5014, sega_315_5014_device, "sega_315_5014", "Sega 315-5014")
DEFINE_DEVICE_TYPE(SEGA_315_5018, sega_315_5018_device, "sega_315_5018", "Sega 315-5018")
DEFINE_DEVICE_TYPE(SEGA_315_5010, sega_315_5010_device, "sega_315_5010", "Sega 315-5010")
DEFINE_DEVICE_TYPE(SEGA_315_SPAT, sega_315_spat_device, "sega_315_spat", "Sega 315-5xxx (Spatter)") // unknown part number
DEFINE_DEVICE_TYPE(SEGA_315_5093, sega_315_5093_device, "sega_315_5093", "Sega 315-5093")
DEFINE_DEVICE_TYPE(SEGA_315_5096, sega_315_5096_device, "sega_315_5096", "Sega 315-5096") // exactly the same as Sega 315-5006?
DEFINE_DEVICE_TYPE(SEGA_315_5098, sega_315_5098_device, "sega_315_5098", "Sega 315-5098") // also 315-5030 ?
DEFINE_DEVICE_TYPE(SEGA_315_5099, sega_315_5099_device, "sega_315_5099", "Sega 315-5099")
DEFINE_DEVICE_TYPE(SEGA_315_5102, sega_315_5102_device, "sega_315_5102", "Sega 315-5102")
DEFINE_DEVICE_TYPE(SEGA_315_5110, sega_315_5110_device, "sega_315_5110", "Sega 315-5110")
DEFINE_DEVICE_TYPE(SEGA_315_5128, sega_315_5128_device, "sega_315_5128", "Sega 315-5128")
DEFINE_DEVICE_TYPE(SEGA_315_5132, sega_315_5132_device, "sega_315_5132", "Sega 315-5132")
DEFINE_DEVICE_TYPE(SEGA_315_5133, sega_315_5133_device, "sega_315_5133", "Sega 315-5133") // exactly the same as Sega 315-5048?
DEFINE_DEVICE_TYPE(SEGA_315_5135, sega_315_5135_device, "sega_315_5135", "Sega 315-5135")
DEFINE_DEVICE_TYPE(SEGA_315_5155, sega_315_5155_device, "sega_315_5155", "Sega 315-5155")
@ -758,8 +762,9 @@ void sega_315_5099_device::decrypt()
sega_315_spat_device::sega_315_spat_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : segacrpt_z80_device(mconfig, SEGA_315_SPAT, tag, owner, clock) {}
void sega_315_spat_device::decrypt()
sega_315_5006_device::sega_315_5006_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : segacrpt_z80_device(mconfig, SEGA_315_5006, tag, owner, clock) {}
sega_315_5006_device::sega_315_5006_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) : segacrpt_z80_device(mconfig, type, tag, owner, clock) {}
void sega_315_5006_device::decrypt()
{
static const uint8_t convtable[32][4] =
{
@ -786,6 +791,9 @@ void sega_315_spat_device::decrypt()
decode(m_region_ptr, m_decrypted_ptr, m_decode_size, convtable, m_numbanks, m_banksize);
}
sega_315_5096_device::sega_315_5096_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : sega_315_5006_device(mconfig, SEGA_315_5096, tag, owner, clock) {}
// == sega_315_5006_device
sega_315_5015_device::sega_315_5015_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : segacrpt_z80_device(mconfig, SEGA_315_5015, tag, owner, clock) {}
void sega_315_5015_device::decrypt()
{

14
src/devices/machine/segacrpt_device.h
View File

@ -157,14 +157,21 @@ protected:
virtual void decrypt() override;
};
class sega_315_spat_device : public segacrpt_z80_device
class sega_315_5006_device : public segacrpt_z80_device
{
public:
sega_315_spat_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t);
sega_315_5006_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t);
protected:
sega_315_5006_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
virtual void decrypt() override;
};
class sega_315_5096_device : public sega_315_5006_device
{
public:
sega_315_5096_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t);
};
class sega_315_5015_device : public segacrpt_z80_device
{
public:
@ -263,7 +270,8 @@ DECLARE_DEVICE_TYPE(SEGA_315_5041, sega_315_5041_device)
DECLARE_DEVICE_TYPE(SEGA_315_5048, sega_315_5048_device)
DECLARE_DEVICE_TYPE(SEGA_315_5093, sega_315_5093_device)
DECLARE_DEVICE_TYPE(SEGA_315_5099, sega_315_5099_device)
DECLARE_DEVICE_TYPE(SEGA_315_SPAT, sega_315_spat_device)
DECLARE_DEVICE_TYPE(SEGA_315_5006, sega_315_5006_device)
DECLARE_DEVICE_TYPE(SEGA_315_5096, sega_315_5096_device)
DECLARE_DEVICE_TYPE(SEGA_315_5015, sega_315_5015_device)
DECLARE_DEVICE_TYPE(SEGA_315_5133, sega_315_5133_device)
DECLARE_DEVICE_TYPE(SEGA_315_5014, sega_315_5014_device)

2
src/mame/igs/goldstar.cpp
View File

@ -9206,7 +9206,7 @@ void wingco_state::luckylad(machine_config &config)
{
lucky8(config);
sega_315_spat_device &maincpu(SEGA_315_SPAT(config.replace(), m_maincpu, CPU_CLOCK)); // actually Falcon 03155096 encrypted Z80
sega_315_5096_device &maincpu(SEGA_315_5096(config.replace(), m_maincpu, CPU_CLOCK)); // actually Falcon 03155096 encrypted Z80
maincpu.set_addrmap(AS_PROGRAM, &wingco_state::lucky8_map);
maincpu.set_addrmap(AS_OPCODES, &wingco_state::common_decrypted_opcodes_map);
maincpu.set_decrypted_tag(":decrypted_opcodes");

2
src/mame/nichibutsu/jangou.cpp
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@ -1000,7 +1000,7 @@ void cntrygrl_state::luckygrl(machine_config &config)
{
cntrygrl(config);
sega_315_spat_device &maincpu(SEGA_315_SPAT(config.replace(), m_cpu_0, MASTER_CLOCK / 8)); // actually Falcon 03155096 encrypted Z80
sega_315_5096_device &maincpu(SEGA_315_5096(config.replace(), m_cpu_0, MASTER_CLOCK / 8)); // actually Falcon 03155096 encrypted Z80
maincpu.set_addrmap(AS_PROGRAM, &cntrygrl_state::luckygrl_cpu0_map);
maincpu.set_addrmap(AS_IO, &cntrygrl_state::cntrygrl_cpu0_io);
maincpu.set_addrmap(AS_OPCODES, &cntrygrl_state::decrypted_opcodes_map);

18
src/mame/sega/segag80r.cpp
View File

@ -922,7 +922,7 @@ void segag80r_state::monsterb(machine_config &config)
void segag80r_state::monster2(machine_config &config)
{
monsterb(config);
sega_315_spat_device &maincpu(SEGA_315_SPAT(config.replace(), m_maincpu, VIDEO_CLOCK/4));
sega_315_5006_device &maincpu(SEGA_315_5006(config.replace(), m_maincpu, VIDEO_CLOCK/4));
maincpu.set_addrmap(AS_PROGRAM, &segag80r_state::main_map);
maincpu.set_addrmap(AS_IO, &segag80r_state::main_ppi8255_portmap);
maincpu.set_vblank_int("screen", FUNC(segag80r_state::segag80r_vblank_start));
@ -1375,6 +1375,22 @@ ROM_START( monsterb )
ROM_LOAD( "pr1512.u31", 0x0000, 0x0020, CRC(414ebe9b) SHA1(3df8694e3d26635d19fd4cdf02bd0998e8538b5b) ) /* U31 */
ROM_END
/*
Monster Bash
Main PCB: 834-0318
Sound PCB: 834-0316
Set labled as:
2-BOARD NO. REV.
834-0317
MONSTER BASH
83830
Uses a SEGA 315-5006 security CPU
*/
ROM_START( monsterb2 )
ROM_REGION( 0xc000, "maincpu", 0 )
ROM_LOAD( "epr-1548.2", 0x0000, 0x2000, CRC(239f77c1) SHA1(2945e4b135c1c46bf3e0d947b3d9be052f12e8d8) )

8
src/mame/sega/system1.cpp
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@ -2551,10 +2551,10 @@ void system1_state::sys1piosx_315_5099(machine_config &config)
z80.set_decrypted_tag(":decrypted_opcodes");
}
void system1_state::sys1piosx_315_spat(machine_config &config)
void system1_state::sys1piosx_315_5096(machine_config &config)
{
sys1pios(config);
segacrpt_z80_device &z80(SEGA_315_SPAT(config.replace(), m_maincpu, MASTER_CLOCK));
segacrpt_z80_device &z80(SEGA_315_5096(config.replace(), m_maincpu, MASTER_CLOCK));
encrypted_sys1pio_maps(config);
z80.set_decrypted_tag(":decrypted_opcodes");
}
@ -5710,9 +5710,9 @@ GAME( 1984, flicky, 0, sys1piox_315_5051, flicky, system1_state, e
GAME( 1984, flickya, flicky, sys1piox_315_5051, flicky, system1_state, empty_init, ROT0, "Sega", "Flicky (128k Version, 315-5051, larger roms)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, flickys2, flicky, sys1pio, flickys2, system1_state, empty_init, ROT0, "Sega", "Flicky (128k Version, not encrypted)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, thetogyu, bullfgt, sys1piox_315_5065, bullfgt, system1_state, empty_init, ROT0, "Coreland / Sega", "The Togyu (315-5065, Japan)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, spatter, 0, sys1piosx_315_spat,spatter, system1_state, empty_init, ROT0, "Sega", "Spatter (315-5xxx)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, spatter, 0, sys1piosx_315_5096,spatter, system1_state, empty_init, ROT0, "Sega", "Spatter (315-5096)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, spattera, spatter, sys1piosx_315_5099,spatter, system1_state, empty_init, ROT0, "Sega", "Spatter (315-5099)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, ssanchan, spatter, sys1piosx_315_spat,spatter, system1_state, empty_init, ROT0, "Sega", "Sanrin San Chan (Japan, 315-5xxx)", MACHINE_SUPPORTS_SAVE )
GAME( 1984, ssanchan, spatter, sys1piosx_315_5096,spatter, system1_state, empty_init, ROT0, "Sega", "Sanrin San Chan (Japan, 315-5096)", MACHINE_SUPPORTS_SAVE )
GAME( 1985, pitfall2, 0, sys1piox_315_5093, pitfall2, system1_state, empty_init, ROT0, "Sega", "Pitfall II (315-5093)", MACHINE_SUPPORTS_SAVE )
GAME( 1985, pitfall2a, pitfall2, sys1piox_315_5093, pitfall2, system1_state, empty_init, ROT0, "Sega", "Pitfall II (315-5093, Flicky Conversion)", MACHINE_SUPPORTS_SAVE )
GAME( 1985, pitfall2u, pitfall2, sys1pio, pitfall2u, system1_state, empty_init, ROT0, "Sega", "Pitfall II (not encrypted)", MACHINE_SUPPORTS_SAVE )

4
src/mame/sega/system1.h
View File

@ -28,7 +28,7 @@ public:
m_maincpu(*this, "maincpu"),
m_soundcpu(*this, "soundcpu"),
m_mcu(*this, "mcu"),
m_sn(*this, "sn%u", 1U),
m_sn(*this, "sn%u", 1U),
m_gfxdecode(*this, "gfxdecode"),
m_screen(*this, "screen"),
m_palette(*this, "palette"),
@ -72,7 +72,7 @@ public:
void sys1piox_315_5135(machine_config &config);
void sys2rowxboot(machine_config &config);
void sys1piox_315_5102(machine_config &config);
void sys1piosx_315_spat(machine_config &config);
void sys1piosx_315_5096(machine_config &config);
void sys2x(machine_config &config);
void sys1piox_315_5051(machine_config &config);
void sys1piox_315_5098(machine_config &config);