Bottom Gas - Atari 2600 Dragster for the Unisonic Champion (& Intellivision)
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Several versions of Bottom Gas are included in this release that run on either 
the Unisonic Champion (using MAME) or the Intellivision (using JzIntv).


Unisonic / MAME

Bottom Gas will run under MAME 0.167 or greater using the unichamp driver.  You
will need the BIOS ROM which can be found here:

https://archive.org/download/unichamp/unichamp.zip

Having put this in your MAME roms directory, Bottom Gas can then be started 
with a command like:

\path\to\mame.exe unichamp -cart \path\to\bottomGasUnisonic.bin

The default keys are:

Y   - Player 1 YES (shift)
N   - Player 1 NO (gas)
A   - Player 2 YES (shift)
S   - Player 2 NO (gas)
F3  - Reset
ESC - Quit
TAB - Enter MAME configuration menu

To enable Reset, Quit and the configuration menu it is necessary change 
keyboard mode by hitting INSERT.

Two versions of the game are supplied:

* bottomGasUnisonic.bin - 1 or 2 player game
* bottomGas557Unisonic.bin - single player game with player 1 autopilot 
    that runs a 5.57 sec time

Because of technical constraints, there is no title screen or in game 
music in the Unisonic version.  You may also notice that the graphics are 
slightly different to the Li'l Bro version.  This is believed to be because
the font currently used in MAME is inaccurate.


Intellivision / JzIntv

Five ROMs are available as follows.  All can be played on JzIntv in the normal
way.

* lilBroBottomGas.rom - 1 or 2 player game with two voice music
* lilBroEcsBottomGas.rom - 1 or 2 player game with five voice music 
    (requires ECS)
* lilBroBottomGas557.rom - single player game with player 1 autopilot that 
    runs a 5.57 sec time.  Two voice music
* lilBroEcsBottomGas557.rom - single player game with player 1 autopilot that 
    runs a 5.57 sec time.  Five voice music, requires ECS
* musoPlayer.rom - 5 voice in game music player, requires ECS


Enjoy the authentic feel of a blocky, grass covered drag strip!
