Plus Alpha | 1989

Genre:
Style:
Theme:

Description:


Notes:

Release type:
Developer: Jaleco
Controls/Input Device: Control(joy8way), Buttons(2)
Number of Players: 2
Rating:
Creator:
More Creator:
More Coder/Software:

Publisher:
Manufacturer:
Genre:
License from/Copyright:
Graphics/Artwork:
Music:
SoundFX:
System/ConversionClass:
SoundMix: Stereo

Coder/Software:

Game Awards Nominations:
Game Awards Won:
Title a.k.a.:
Slogans:
Avg. Playtime:

URL: Official:
URL: Rules:
URL: Hints:
URL: Cheats:
URL: Reviews:
Plus Alpha VGMuseum Game Endings
Plus Alpha on CAESAR
Plus Alpha high score and replay at MARP
Plus Alpha on datObase

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

You are a game nerd?
You are interested in
sharing your knowledge?
Submit your data here:


• Top contributors