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Arcade
Arcade
Platform:

Plus Alpha

| 1989
Genre:
Style:
Theme:
Description:

Notes:
Release type:
Units produced: Jaleco
Controls/Input Device: Control(joy8way), Buttons(2)
Number of Players: 2
Rating:
Creator:
More Creator:
More Coder/Software:
Developer:
Manufacturer:
Publisher:
License from/Copyright:
Graphics/Artwork:
Music:
SoundFX:
System/ConversionClass:
SoundMix: Stereo
Coder/Software:
More Graphics/Artwork:
More Music/Sound:
Acting Talent involved:
:
:
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More System Details:
Game Awards Nominations:
Game Awards Won:
Title a.k.a.:
Slogans:
Avg. Playtime:
MAME folder name: plusalph

Display: raster 256x224 @ 60.00Hz (60.00 pixclock)
Sound: 2 channels

Emulated in MAME via driver megasys1.c:
Status: good; Emulation: good
Graphic: good; Sound: good; Color: good
Palette size: 1024; Savestate: unsupported

Roms:
pa-rom1.bin with 131072kb
sha1:c2315a7142e5499e9325f5a8361cb25e83747a3e crc:a32fdcae
pa-rom10.bin with 131072kb
sha1:6f69b573e997ba4bb5aabf745843921f0866d209 crc:395df3b2
pa-rom11.bin with 131072kb
sha1:434c9da3c79a97ddd9be77908ce65e9efe6c8106 crc:eb709ae7
pa-rom12.bin with 131072kb
sha1:328094a5d067775871f7d69b4c20c40e46b0eaba crc:cacbc350
pa-rom13.bin with 131072kb
sha1:98a42f91d66b990e18f845edc01c23568cbc7a83 crc:fad093dd
pa-rom14.bin with 131072kb
sha1:b805216af1a65c2f19a82aaf3775bbbceb065c7e crc:d3676cd1
pa-rom15.bin with 131072kb
sha1:9083061ce6de98a611558fc59d1ec37aefc2a2e0 crc:8787735b
pa-rom16.bin with 131072kb
sha1:de4fb0f92f9178c2b5f2750d17cfc3da126b23a4 crc:a06b813b
pa-rom17.bin with 131072kb
sha1:2529ee47324edcdf4cd34c159524f37da08e1099 crc:c6b38a4b
pa-rom19.bin with 65536kb
sha1:93f417a36732ca76d566f2ff2c9ff62e5679da08 crc:39ef193c
pa-rom2.bin with 131072kb
sha1:686fb7fa8a6c25b5aff78bc509f35c69492d7d1e crc:33244799
pa-rom20.bin with 131072kb
sha1:a6dfb2aeda07639448a4135d1336019214030fc9 crc:86c557a8
pa-rom21.bin with 131072kb
sha1:f31ae208623bdb152888e1ebdd2515f9bcc2fb44 crc:81140a88
pa-rom22.bin with 131072kb
sha1:89161ae647c835ff24fcb8676f6e1228f9a1fa10 crc:97e39886
pa-rom23.bin with 131072kb
sha1:31fa9c9ba57bf3c9ee8e3f5b1b4e28c1a3591a4b crc:0383fb65
pa-rom3.bin with 65536kb
sha1:3aaa9545a7f578a9775311dcd44504870f3b1544 crc:1b739835
pa-rom4.bin with 65536kb
sha1:dd06306a516a2d5e49cf8f2343ddc26405b309a9 crc:ff760e80
pa-rom5.bin with 65536kb
sha1:dee31660428baea44c73dec238ed7f39a6771fe6 crc:ddc2739b
pa-rom6.bin with 65536kb
sha1:60d5c9db18d8f6704b68ccde5d026174679cec36 crc:f6f8a167
pa-rom7.bin with 131072kb
sha1:c0a7bdedc8a1294b8d29f7f6007542ea006e70cb crc:9f5d800e
pa-rom8.bin with 131072kb
sha1:b48784fd6bcf205296e3e5b59c258f76da5c2d1b crc:ae007750
pa-rom9.bin with 131072kb
sha1:bacb268b1c76c286e89eb823d8c3477ec5f2516c crc:065364bd
prom.14m with 512kb
sha1:a5be0dc65dcfc36fbba10d1fddbe155e24b6122f crc:1d877538
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:
Plus Alpha (c) 1989 Jaleco.

- TECHNICAL -

Jaleco Mega System 1-A hardware

Main CPU : Motorola 68000 (@ 12 Mhz)
Sound CPU : Motorola 68000 (@ 7 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.5 Mhz), (2x) OKI6295 (@ 30.303 Khz)

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

- TRIVIA -

Released in June 1989 in Japan.

Pony Canyon / Scitron released a limited-edition soundtrack album for this game (Plus Alpha - PCCB-00015) on 15/12/1989.

- STAFF -

Main programmer : Papa Sekiya
Character programmer : Motoko
Special programmer : Yuma Yoshida
Main character designer : Rolling.N
Character designers : Otappie Etoh, U. Keijiro
Main scroll designer : Nekomasa
Scroll designers : Markun!, Otatuku
Opening designer : Nekomasa
Present designer : Markun! Takahashi
Ending designer : Otatuku Etoh
Sound : Tsukasa Tawada
Voice actress : Eppin Honda
Sound programmer : Panic Yunma
Game designer : Momonga

- CONTRIBUTE -

Edit this entry: http://www.arcade-history.com/?&page=detail&id=1991&o=2


Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
20900000 13B8A 000042B9 FFFFFFFF Invincibility
20910000 13B90 000042B9 FFFFFFFF Invincibility (2/3)
20810000 13B96 00000060 FFFFFFFF Invincibility (3/3)
00000000 F3123 00000000 00000010 Rapid Fire Turn it OFF on the name entry screen
00000000 F3131 00000009 FFFFFFFF Infinite Special Shots
62000000 00000 00000000 00000000 Select Shot Type
00010000 F312B 00000000 FFFFFFFF 2 Shot
00010000 F312B 00000001 FFFFFFFF 2 Shot +1
00010000 F312B 00000002 FFFFFFFF Blade +1
00010000 F312B 00000003 FFFFFFFF Blade +2
00010000 F312B 00000004 FFFFFFFF 4 Shot +1
00010000 F312B 00000005 FFFFFFFF 4 Shot +3
00010000 F312B 00000006 FFFFFFFF 2 Blade+3
00010000 F312B 00000007 FFFFFFFF 2 Blade+3
00010000 F312B 00000008 FFFFFFFF 2 Shot +Wide [NOT FOR PLANE]
00010000 F312B 00000009 FFFFFFFF 2 Shot +Balls [NOT FOR JET OR HELI]
00010000 F312B 0000000A FFFFFFFF Blade +Balls [NOT FOR JET OR HELI]
00010000 F312B 0000000B FFFFFFFF ?1 [NOT FOR PLANE,JET OR HELI]
00010000 F312B 0000000C FFFFFFFF ?2 [NOT FOR PLANE,JET OR HELI]
00010000 F312B 0000000D FFFFFFFF ?3 [NOT FOR PLANE,JET OR HELI]
00010000 F312B 0000000E FFFFFFFF ?4 [NOT FOR PLANE,JET OR HELI]
00010000 F312B 0000000F FFFFFFFF 4Shot +Wide [NOT FOR JET OR HELI]
00010000 F312B 00000010 FFFFFFFF Ray
62000000 00000 00000000 00000000 Select Ship Type Make sure you don't pick a Shot Type which is not suitable
00010000 F30C7 00000000 FFFFFFFF Plane (Shots)
00010000 F30C7 00000001 FFFFFFFF Jet (Balls)
00010000 F30C7 00000002 FFFFFFFF Heli (Triangles)
62000000 00000 00000000 00000000 Select Starting Level
00090000 F2EE5 00000001 00000001 1
00090000 F2EE5 00000002 00000001 2
00090000 F2EE5 00000003 00000001 3
00090000 F2EE5 00000004 00000001 4
00090000 F2EE5 00000005 00000001 5
00090000 F2EE5 00000006 00000001 6
00090000 F2EE5 00000007 00000001 7
20800000 2BD6F 00000002 FFFFFFFF Always Open Secret Bomb
20810000 2BD7D 00000002 FFFFFFFF Always Open Secret Bomb (2/2)
20B00000 2BC52 58680008 FFFFFFFF Always Mark Secret Character
20910000 2BC56 00006048 FFFFFFFF Always Mark Secret Character (2/2)
60000000 00000 00000000 00000000
00000000 F30A1 00000005 FFFFFFFF Infinite Lives PL1
00000000 F30BD 00000002 FFFFFFFF Change Colour PL1
00000000 F30A3 00000005 FFFFFFFF Infinite Lives PL2
00000000 F30BD 00000001 FFFFFFFF Change Colour PL2

Credit Pugsy's MAME Cheat file
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