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Plus Alpha

Game Information
manufacturer Jaleco
year 1989
genre N/A
downloads 0
Screenshots
plusalph title
plusalph title
plusalph title
plusalph title
plusalph title
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 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