plusalph Plus Alpha


Immagine gioco: Plus Alpha
   		Available images:





 Description 
Romset name: plusalph.zip
Production year: 1989
Manufacturer: Jaleco

Game genre: Shooter
Category: Shooter / Flying Vertical

 Emulation 
This machine works in MAME This machine works in MAME

Overall emulation: Good
Color emulation: Good
Sound emulation: Good
Graphics emulation: Good
Save states: Supported

In MAME since version: .036b07

The MAME driver of this machine is: megasys1.cpp - Read the code

 Tech info 
 Hardware of this machine:
  • CHIPs [Show details]

    NameTypeClock
    M68000 ("maincpu")cpu 6000000 Hz
    M68000 ("audiocpu")cpu 7000000 Hz
    Speaker ("lspeaker")audio
    Speaker ("rspeaker")audio
    YM2151 ("ymsnd")audio 3500000 Hz
    OKI6295 ("oki1")audio 4000000 Hz
    OKI6295 ("oki2")audio 4000000 Hz
    Close details CHIPs

  • Screens [Show details]

    This machine uses a single screen:
      Graphic type: Raster
      Screen orientation: Vertical
      Resolution 256 x 224 @ 56.191350 Hz

  • Number of players: 2P Alternated
  • Controllers [Show details]

    Type:
      Joystick [8 ways]
      Joystick [8 ways]
    Number of buttons: 2

  • Dip-switches [Show details]

    Default settings in bold
    NameValue
    Lives3
     4
     5
     Infinite (Cheat)
    Hyper Laser Beams2
     3
    Bonus Life70k and every 200k
     100k and 300k Only
    DifficultyEasy
     Normal
     Hard
     Hardest
    CabinetUpright
     Cocktail
    Flip ScreenOff
     On
    Coin A3 Coins/1 Credit
     2 Coins/1 Credit
     1 Coin/1 Credit
     1 Coin/2 Credits
     1 Coin/3 Credits
     1 Coin/4 Credits
     1 Coin/5 Credits
     Free Play
    Coin B4 Coins/1 Credit
     3 Coins/1 Credit
     2 Coins/1 Credit
     1 Coin/1 Credit
     1 Coin/2 Credits
     1 Coin/3 Credits
     1 Coin/4 Credits
     1 Coin/5 Credits
    Demo SoundsOff
     On
    Freeze Screen (Cheat)Off
     On
    Close details Dip-switches

  • ROMs (24 of the machine set) [Show details]

    Referred to MAME version: 0.181

    NameSizeCRC32SHA1StatusIn romset
    pa-rom2.bin13107233244799 686fb7fa8a6c25b5aff78bc509f35c69492d7d1e good plusalph
    pa-rom1.bin131072a32fdcae c2315a7142e5499e9325f5a8361cb25e83747a3e good plusalph
    pa-rom3.bin655361b739835 3aaa9545a7f578a9775311dcd44504870f3b1544 good plusalph
    pa-rom4.bin65536ff760e80 dd06306a516a2d5e49cf8f2343ddc26405b309a9 good plusalph
    pa-rom5.bin65536ddc2739b dee31660428baea44c73dec238ed7f39a6771fe6 good plusalph
    pa-rom6.bin65536f6f8a167 60d5c9db18d8f6704b68ccde5d026174679cec36 good plusalph
    m507474096  nodump plusalph
    pa-rom11.bin131072eb709ae7 434c9da3c79a97ddd9be77908ce65e9efe6c8106 good plusalph
    pa-rom12.bin131072cacbc350 328094a5d067775871f7d69b4c20c40e46b0eaba good plusalph
    pa-rom13.bin131072fad093dd 98a42f91d66b990e18f845edc01c23568cbc7a83 good plusalph
    pa-rom14.bin131072d3676cd1 b805216af1a65c2f19a82aaf3775bbbceb065c7e good plusalph
    pa-rom15.bin1310728787735b 9083061ce6de98a611558fc59d1ec37aefc2a2e0 good plusalph
    pa-rom16.bin131072a06b813b de4fb0f92f9178c2b5f2750d17cfc3da126b23a4 good plusalph
    pa-rom17.bin131072c6b38a4b 2529ee47324edcdf4cd34c159524f37da08e1099 good plusalph
    pa-rom19.bin6553639ef193c 93f417a36732ca76d566f2ff2c9ff62e5679da08 good plusalph
    pa-rom20.bin13107286c557a8 a6dfb2aeda07639448a4135d1336019214030fc9 good plusalph
    pa-rom21.bin13107281140a88 f31ae208623bdb152888e1ebdd2515f9bcc2fb44 good plusalph
    pa-rom22.bin13107297e39886 89161ae647c835ff24fcb8676f6e1228f9a1fa10 good plusalph
    pa-rom23.bin1310720383fb65 31fa9c9ba57bf3c9ee8e3f5b1b4e28c1a3591a4b good plusalph
    pa-rom9.bin131072065364bd bacb268b1c76c286e89eb823d8c3477ec5f2516c good plusalph
    pa-rom10.bin131072395df3b2 6f69b573e997ba4bb5aabf745843921f0866d209 good plusalph
    pa-rom7.bin1310729f5d800e c0a7bdedc8a1294b8d29f7f6007542ea006e70cb good plusalph
    pa-rom8.bin131072ae007750 b48784fd6bcf205296e3e5b59c258f76da5c2d1b good plusalph
    prom.14m5121d877538 a5be0dc65dcfc36fbba10d1fddbe155e24b6122f good plusalph


    :  PARENT Machine
    :  CLONE Machine
    :  BIOS
    :  Device
    Close details ROMs


 Information 
HISTORY

Plus Alpha (c) 1989 Jaleco.


- TECHNICAL -


Jaleco Mega System 1-A hardware


Main CPU : 68000 (@ 12 Mhz)

Sound CPU : 68000 (@ 7 Mhz)

Sound Chips : 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


- SOURCES -


Game's rom.



Giochi Simili

Warning: information in history.dat can differ from the ones present in the rest of the page (taken from MAME) as they come from a different source

 MAMEINFO.DAT 
Information on plusalph

0.36b7 [Luca Elia]

0.35b4 [Luca Elia]


WIP:

- 0.143u6: Angelo Salese added preliminary MCU handshake simulation sequence for Plus Alpha and removed ROM patches.

- 0.36b14: Changed 68000 CPU1 clock speed from 7MHz to 12MHz.

- 0.36b7: Luca Elia added Plus Alpha (Jaleco 1989).

- 8th October 1999: Luca Elia sent in a huge Mega System 1 update with many fixes and new drivers for Chimera Beast, Iga Ninjyutsuden, Plus Alpha and Peek-a-Boo.

- 0.35b4: Luca Elia added Plus Alpha (Testdriver).


LEVELS: 7


Other Emulators:

* Raine

 Utilities 
Printer friendly version
Direct link to this page

HTML link, for inclusion in web pages, text only
HTML link, for inclusion in web pages, with image
BBcode, for use in forums, text only
BBcode, for use in forums, with image