Description
Allows you to connect and play your Atari Liberator PCB to a JAMMA cab or supergun.
Liberator was released by Atari in 1982. Game concept is the reverse of Missile Command, where instead of defending cities and bases, you attack them from above. Liberator had some interesting pseudo 3D effects and was graphically quite advanced for the time, but the gameplay is quite simplistic and probably one of the main reasons why Lberator ended up being a marketing dissapointment. Production numbers were less than a thousand units.
Like Missile Command, this game uses a trackball, but now only 2 buttons are used, one for missiles, and one for shields. This adapter can however utilize a standard JAMMA joystick setup with at least 2 fire buttons, using a built-in microcontroller for joystick to trackball emulation.
Like many Atari games from this period, Liberator has a unique pinout and is the only game that be converted with this adapter.
Images
Pinout
This adapter follows the following pinout scheme:
Main Connector (44 pin)
| SOLDER SIDE | PARTS SIDE |
|---|---|
| GND | GND |
| +5V | +5V |
| +12V | NC |
| -5V | NC |
| +12V | NC |
| NC | NC |
| NC | NC |
| NC | NC |
| NC | NC |
| TEST | NC |
| NC | P1START |
| P2START | NC |
| P1B1 | P1B2 |
| NC | SVC |
| COIN2 | NC |
| COIN1 | COUNT2 |
| COUNT1 | LED1 |
| LED2 | NC |
| -22V (NC) | -5V |
| NC | +12V |
| +5V | +5V |
| GND | GND |
Secondary Connector (24 pin)
| SOLDER SIDE | PARTS SIDE |
|---|---|
| VCLK | VDIR |
| HDIR | HCLK |
| NC | NC |
| NC | NC |
| NC | NC |
| VSYNC | NC |
| AUDIO2 | AUDGND |
| AUDIO1 | NC |
| NC | VGND |
| VRED | VGREEN |
| VBLUE | NC |
| NC | NC |
(PCB edge connector facing away, list is ordered right to left)
Compatible Games
This is the list of compatible games that can be used with this adapter:
The adapter has been tested with a genuine version of Atari Liberator.
Revision History:
Rev 1.0: Initial Design.
Specifications
Board Size: 50mm x 190mm
Current Carrying Capacity: 5V – 12A, 12V-3A, -5V – 3A