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Arcade
Arcade
Platform: Irem M-92

Lethal Thunder (World)

| 1991
Genre:
Style:
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Description:

Notes:
Release type:
Units produced: Irem
Controls/Input Device: Control(joy8way), Buttons(2)
Number of Players: 2
Rating:
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SoundMix: Mono
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MAME folder name: lethalth

Display: raster 320x240 @ 60.00Hz (60.00 pixclock)
Sound: 1 channels

Emulated in MAME via driver m92.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 2048; Savestate: unsupported

Roms:
lt_7a.rom with 262144kb
sha1:7eeb33360cacddf8887f3acce65350af0251936d crc:ada0fd50
lt_7b.rom with 262144kb
sha1:5a9f7384c63304c3c1e27375419d59a2b476f46a crc:d2596883
lt_7d.rom with 262144kb
sha1:bd1be59d4fe9bf365454c1d471effd88aa942df6 crc:2de637ef
lt_7h.rom with 262144kb
sha1:5d59addc65c3ce20e7ea090a178fe9e17fba525b crc:9f6585cd
lt_7j.rom with 262144kb
sha1:fd5937cd70fcffd861a207dc4769d34459dd28d3 crc:baf8863e
lt_7l.rom with 262144kb
sha1:d9bf1e339671fd167fad237bb5bc6d1b183686f5 crc:40fd50af
lt_7s.rom with 262144kb
sha1:7771c17b36dcc9f01ac9e033f3f86e571c5ebbd3 crc:c8e970df
lt_7y.rom with 262144kb
sha1:e8cb278f4d310eeeb67e01534d17562c7fce62f0 crc:f5436708
lt_8a.rom with 262144kb
sha1:d13b2a0f5d48c0171bcef708589cad194a7ea1ed crc:357762a2
lt_d-h0.rom with 131072kb
sha1:edbb5322082bde7136ab015931fdcd18e5c293a8 crc:20c68935
lt_d-h1.rom with 131072kb
sha1:b848feee55159e334f711e4f661d415ffc1e3513 crc:d7dd3d48
lt_d-l0.rom with 131072kb
sha1:4b6c22d740cd598d0e34e257910fe7c3d4f3fd32 crc:e1432fb3
lt_d-l1.rom with 131072kb
sha1:7b89d9177d8b357b09317606cb2070c14c3449a5 crc:b94b3bd8
lt_d-sh0.rom with 65536kb
sha1:a07f2c6ca0e65af016d74b90342cfaab7535324e crc:af5b224f
lt_d-sl0.rom with 65536kb
sha1:e1ee32fac7ee9e97fbf68904572e90aa9d0c9460 crc:cb3faac3
Mameinfo.dat entry:
0.37b10 [Yochizo]


WIP:

- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.


LEVELS: 8 (restarts once)


Other Emulators:

* FB Alpha

* JFF

* Raine


Recommended Games (Star Force):

Catacomb

Vega

Espial

Night Star (DECO Cassette)

Nova 2001

Star Jacker

Stunt Air

Zodiack

Star Force

Alpha Mission / ASO

Alpha Mission II / ASO II

Astro Warrior (Mega-Tech)

Mission 660

Rafflesia

S.R.D. Mission

Truxton / Tatsujin

Tatsujin (Tourvision PCE bootleg)

Truxton II / Tatsujin Oh

Blast Off

Blazing Lazers

GunHed (Tourvision PCE bootleg)

The Next Space

Omega Fighter

Super Star Soldier (Tourvision PCE bootleg)

Lethal Thunder

Pollux

Strike Gunner S.T.G

Vimana

Explosive Breaker

Final Star Force

Galmedes

Gunlock

GunNail

Nebulas Ray

Super-X

Gekirindan

Viper Phase 1

Fever SOS

Mars Matrix: Hyper Solid Shooting


Romset: 2016 kb / 8 files / 457.8 zip


Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Lethal Thunder (c) 1991 Irem.

- TECHNICAL -

Irem M-92 system hardware

Main CPU : V33 (@ 9 Mhz)
Sound CPU : V30 (@ 7.15909 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.579545 Mhz), GA20 (@ 3.579545 Mhz)

Screen orientation : Vertical
Video resolution : 240 x 320 pixels
Screen refresh : 60.00 Hz
Palette Colors : 2048

Players : 2
Control : 8-way joystick
Buttons : 2

- TRIVIA -

This game is known in Japan as "Thunder Blaster".

- TIPS AND TRICKS -

The game has 4 endings depending on your performance :
Ending 1 - Defeat all the bosses.
Ending 2 - Let 2 bosses escape and defeat the others.
Ending 3 - Let 3 bosses escape and defeat the others.
Ending 4 - Let all the bosses escape, including the last boss.

- STAFF -

Composed by : Hiroshi Kimura

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=1382&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
00000000 E0144 00000006 FFFFFFFF Infinite Lives PL1
00000000 E3A38 00000001 FFFFFFFF Invincibility PL1
00000000 E3A41 000000F0 FFFFFFFF Max Shot Power PL1
62000000 00000 00000000 00000000 Select Weapon PL1
00010000 E3A3E 00000001 FFFFFFFF Laser Shot
00010000 E3A3E 00000002 FFFFFFFF Flame Shot
00010000 E3A3E 00000003 FFFFFFFF Ball Shot
00000000 E3A48 00000000 FFFFFFFF Infinite Shot PL1
00100000 E3A4C 00000000 FFFFFFFF Infinite Laser PL1
00000000 E3A50 00000000 FFFFFFFF Infinite Ball PL1
00000000 E3A5B 00000000 FFFFFFFF Infinite Flame PL1
00000000 E0008 00000000 00000080 Rapid Fire PL1 Turn it OFF on name entry screen. Don't use this cheat with the Flame and/or Laser cheats or the game may crash
60000000 00000 00000000 00000000
00000000 E0174 00000006 FFFFFFFF Infinite Lives PL2
00000000 E3AD8 00000001 FFFFFFFF Invincibility PL2
00000000 E3AE1 000000F0 FFFFFFFF Max Shot Power PL2
62000000 00000 00000000 00000000 Select Weapon PL2
00010000 E3ADE 00000001 FFFFFFFF Laser Shot
00010000 E3ADE 00000002 FFFFFFFF Flame Shot
00010000 E3ADE 00000003 FFFFFFFF Ball Shot
00000000 E3AE8 00000000 FFFFFFFF Infinite Shot PL2
00100000 E3AEC 00000000 FFFFFFFF Infinite Laser PL2
00000000 E3AF0 00000000 FFFFFFFF Infinite Ball PL2
00000000 E3AFB 00000000 FFFFFFFF Infinite Flame PL2
00000000 E0009 00000000 00000080 Rapid Fire PL2 Turn it OFF on name entry screen. Don't use this cheat with the Flame and/or Laser cheats or the game may crash

Credit Pugsy's MAME Cheat file
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