Liberation
Game Information
| manufacturer | Data East Corporation |
| year | 1984 |
| cloned by | dualaslt liberateb |
| genre | N/A |
| downloads | 109 |
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 |