
    Welcome to GP2X-2600

The Stella team :

   Bradford Mott       Project management and emulation core developer
                       (original author of Stella)

   Stephen Anthony     Author of the SDL port of Stella and emulation core
   Joe D'Andrea        Maintainer of the Solaris build of Stella
   Doodle              Current maintainer of the OS/2 port of Stella
   Mark Grebe          Author/maintainer of the Mac OSX port of Stella
   Erik "Voch" Kovach  Maintainer of the 'stella.pro' game properties file
   Kostas Nakos        Author/maintainer of the WinCE port of Stella
   Darrell Spice Jr.   Original author of the OS/2 port of Stella
   Eckhard Stolberg    Emulation core development
   David Voswinkel     Author/maintainer of the PSP port of Stella
   Brian Watson        Emulation core development and debugger support
   Alex Zaballa        Author/maintainer of the GP2X port of Stella

   see http://stella.sourceforge.net/ for further informations
   
Author of another PSP and GP2X port versions

  Ludovic.Jacomme also known as Zx-81 (see http://zx81.zx81.free.fr)


1. INTRODUCTION
   ------------

  Stella is the best emulator of Atari 2600 game console, 
  running on many different systems, such as Linux, Solaris, 
  Windows, MacOS/X WinCE, OS/2, GP2X.

  GP2X-2600 is a port on GP2X of the version v2.2 of Stella. It's based
  on the work of David Voswinkel, who was the first to port Stella to PSP.
  And then i've ported it to GP2X.

  Thanks to Stella team for this nice emulator, and to all GP2X-SDK 
  developpers.

  Special thanks to Poem58 and all Atari2600's fans for their help and 
  support, this port wouldn't have been without them ...

  This package is under GPL Copyright, read COPYING file for
  more information about it.


2. INSTALLATION
   ------------

  Unzip the zip file, and copy the content of the directory game to your
  SD memory.

  Put your roms files on "roms" sub-directory. 

  For any comments or questions on this version, please visit 
  http://zx81.zx81.free.fr, http://zx81.dcemu.co.uk or 
  http://www.gp32x.com/


3. CONTROL
   ------------

  In the 2600 emulator window, there are three different mapping 
  (standard, left trigger, and right Trigger mappings). 
  You can toggle between while playing inside the emulator using 
  the two trigger keys.

    GP2X       Atari 2600
  
    X          Fire
    A          L Diff A 
    Y          Reset    
    B          Select   

    Joystick   Joystick

    LTrigger   Toogle with L keyboard mapping
    RTrigger   Toggle with R keyboard mapping

  LTrigger & RTrigger mapping :

    GP2X        Atari 2600
  
    X          Fire  
    A          Diff A
    Y          Diff A
    B          Diff B

    Joystick   Joystick
    
    Press Select  to enter in emulator main menu.
    Press Start   open/close the On-Screen keyboard

  In the main menu

    RTrigger   Reset the emulator

    Y   Go Up directory
    X   Valid
    B   Valid
    A   Go Back to the emulator window

  The On-Screen Keyboard of "Danzel" and "Jeff Chen"

    Use the stick to choose one of the 9 squares, and
    use A, B, X, Y to choose one of the 4 letters 
    of the highlighted square.

    Use LTrigger and RTrigger to see other 9 squares 
    figures.

4. LOADING ROM FILES (.A26 or .BIN)
   ------------

  If you want to load rom images in the virtual drive of your emulator,
  you have to put your rom file (with .zip, .bin or .a26 file extension)
  on your SD memory in the 'roms' directory. 

  Then, while inside Atari 2600 emulator, just press SELECT to enter in the
  emulator main menu, choose "Load ROM" and then using the file selector
  choose one game file to load in your emulator. Back to the emulator window,
  your game should run automatically.


5. LOADING KEY MAPPING FILES
   ------------

  For given games, the default keyboard mapping between GP2X Keys and Atari 2600
  keys, is not suitable, and the game can't be played on GP2X-2600.

  To overcome the issue, you can write your own mapping file. Using notepad for
  example you can edit a file with the .kbd extension and put it in the kbd 
  directory.

  For the exact syntax of those mapping files, have a look on sample files
  already presents in the kbd directory (default.kbd etc ...).

  After writting such keyboard mapping file, you can load them using 
  the main menu inside the emulator.

  If the keyboard filename is the same as the rom file (.a26) then 
  when you load this rom file, the corresponding keyboard file is 
  automatically loaded !

  You can now use the Keyboard menu and edit, load and save your
  keyboard mapping files inside the emulator. The Save option save the .kbd
  file in the kbd directory using the "Game Name" as filename. The game name
  is displayed on the right corner in the emulator menu.

6. FLICKERING 
   ------------

  On several games such as Asteroids or Missile Command, the screen flicks,
  or the color are dark. You can then change the Flicker mode parameters in 
  the Settings menu. For example, Asteroids is very nice using the "Simple"
  anti-flicker mode.

  
7. COMPILATION
   ------------

  It has been developped under Linux using gcc with GP2XSDK. 
  To rebuild the homebrew run the Makefile in the src archive.
