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Plus Alpha

Game Information
manufacturer Jaleco
year 1989
genre N/A
downloads 18
Screenshots
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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
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 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