Liberation
Game Information
manufacturer | Data East Corporation |
year | 1984 |
cloned by | dualaslt liberateb |
genre | N/A |
downloads | 2 |
Screenshots




Download Details
split set | liberate.zip 62.53k |
merged set | liberate.7z 69.41k |
standalone set | liberate.7z 51.53k |
Game Details
Arcade Video game published 41 years ago:
Liberation (c) 1984 Data East.
A vertically scrolling shoot'em up game.
- TECHNICAL -
Main CPU : DECO (@ 2 Mhz)
Sound CPU : MOS Technology M6502 (@ 1.5 Mhz)
Sound Chips : (2x) General Instrument AY8910 (@ 1.5 Mhz)
Players : 2
Control : 8-way joystick
Buttons : 2
- TRIVIA -
Released in December 1984 in Japan.
This game is known in US as "Dual Assault".
A bootleg of this game was produced under the same name in 1985 by Life System Seoul.
- UPDATES -
The bootleg uses a M6502 @ 2 Mhz as main CPU instead of the DECO @ 2 Mhz.
- STAFF -
Staff : I. Fushiki, D. Kohama, Y. Ohba, Kenji Nishikawa
- CONTRIBUTE -
Edit this entry: https://www.arcade-history.com/?&page=detail&id=1385&o=2
Liberation (c) 1984 Data East.
A vertically scrolling shoot'em up game.
- TECHNICAL -
Main CPU : DECO (@ 2 Mhz)
Sound CPU : MOS Technology M6502 (@ 1.5 Mhz)
Sound Chips : (2x) General Instrument AY8910 (@ 1.5 Mhz)
Players : 2
Control : 8-way joystick
Buttons : 2
- TRIVIA -
Released in December 1984 in Japan.
This game is known in US as "Dual Assault".
A bootleg of this game was produced under the same name in 1985 by Life System Seoul.
- UPDATES -
The bootleg uses a M6502 @ 2 Mhz as main CPU instead of the DECO @ 2 Mhz.
- STAFF -
Staff : I. Fushiki, D. Kohama, Y. Ohba, Kenji Nishikawa
- CONTRIBUTE -
Edit this entry: https://www.arcade-history.com/?&page=detail&id=1385&o=2
Driver Details
source | dataeast/liberate.cpp |
status | good |
emulation | good |
savestate | supported |
Screen Details
display | screen |
type | raster |
orientation | horizontal |
width | 256px |
height | 240px |
refresh | 60mhz |
Input Details
player | 1 |
type | joy |
buttons | 2 |
directions | 8 |
player | 2 |
type | joy |
buttons | 2 |
directions | 8 |
Chipset Details
name | Data East DECO16 |
clock | 1.91mhz |
name | DECO 222 |
clock | 1.43mhz |
name | Speaker |
clock | N/A |
name | AY-3-8912A PSG |
clock | 1.43mhz |
name | AY-3-8912A PSG |
clock | 1.43mhz |
ROM Details
name | size | crc |
---|---|---|
bt12-2.bin | 16.00k | a0079ffd |
bt13-2.bin | 16.00k | 19f8485c |
bt11.bin | 8.00k | b549ccaa |
bt04.bin | 16.00k | 96e48d72 |
bt03.bin | 8.00k | 29ad1b59 |
bt06.bin | 16.00k | 7bed1497 |
bt05.bin | 8.00k | a8896c20 |
bt08.bin | 16.00k | 828ef78d |
bt07.bin | 8.00k | f919e8e2 |
bt02.bin | 16.00k | 7169f7bb |
bt00.bin | 8.00k | b744454d |
bt10.bin | 16.00k | ee335397 |
bt14.bin | 32.00b | 20281d61 |