Plus Alpha
Screenshots





Download Details
split set | plusalph.zip 0.97m |
merged set | plusalph.7z 858.98k |
standalone set | plusalph.7z 858.98k |
Game Details
Arcade Video game published 36 years ago:
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: https://www.arcade-history.com/?&page=detail&id=1991&o=2
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: https://www.arcade-history.com/?&page=detail&id=1991&o=2
Driver Details
source | jaleco/megasys1.cpp |
status | good |
emulation | good |
savestate | supported |
Screen Details
display | screen |
type | raster |
orientation | horizontal |
width | 256px |
height | 224px |
refresh | 56.19mhz |
Input Details
player | 1 |
type | joy |
buttons | 2 |
directions | 8 |
player | 2 |
type | joy |
buttons | 2 |
directions | 8 |
Chipset Details
name | Motorola MC68000 |
clock | 5.72mhz |
name | Motorola MC68000 |
clock | 6.68mhz |
name | Speaker |
clock | N/A |
name | Speaker |
clock | N/A |
name | YM2151 OPM |
clock | 3.34mhz |
name | OKI MSM6295 ADPCM |
clock | 3.81mhz |
name | OKI MSM6295 ADPCM |
clock | 3.81mhz |
ROM Details
name | size | crc |
---|---|---|
pa-rom2.bin | 128.00k | 33244799 |
pa-rom1.bin | 128.00k | a32fdcae |
pa-rom3.bin | 64.00k | 1b739835 |
pa-rom4.bin | 64.00k | ff760e80 |
pa-rom5.bin | 64.00k | ddc2739b |
pa-rom6.bin | 64.00k | f6f8a167 |
pa-rom11.bin | 128.00k | eb709ae7 |
pa-rom12.bin | 128.00k | cacbc350 |
pa-rom13.bin | 128.00k | fad093dd |
pa-rom14.bin | 128.00k | d3676cd1 |
pa-rom15.bin | 128.00k | 8787735b |
pa-rom16.bin | 128.00k | a06b813b |
pa-rom17.bin | 128.00k | c6b38a4b |
pa-rom19.bin | 64.00k | 39ef193c |
pa-rom20.bin | 128.00k | 86c557a8 |
pa-rom21.bin | 128.00k | 81140a88 |
pa-rom22.bin | 128.00k | 97e39886 |
pa-rom23.bin | 128.00k | 0383fb65 |
pa-rom9.bin | 128.00k | 065364bd |
pa-rom10.bin | 128.00k | 395df3b2 |
pa-rom7.bin | 128.00k | 9f5d800e |
pa-rom8.bin | 128.00k | ae007750 |
prom.14m | 512.00b | 1d877538 |