Welcome to Dingux-Colem - 1.1.0

Original Author of ColEm

Marat Fayzullin

Author of the PSP, GP2X, WIZ and Dingux ports versions

Ludovic.Jacomme also known as Zx-81 (zx81.zx81@gmail.com)


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

ColEm is one of the best emulator of the ColecoVision videogame system
running on FreeBSD, HP-UX, SunOS, Solaris, Linux, and other Unix systems.
There are also ports to MacOS, MSDOS, Windows, OS/2, PocketPC and other
systems. See http://fms.komkon.org/ColEm/ for further informations.

GP2X-Colem is a port on GP2X of the Unix version 1.0 of ColEm.
DINGUX-Colem is a port on Dingux of WIZ version of ColEm.

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 local to your
SD card.

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 ColecoVision emulator window

Normal mapping :

Dingux ColecoVision

Y *
X $
B FIRE1
A FIRE2

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

LTrigger mapping :

Dingux ColecoVision

Y Show FPS
X Load Slot
B Save Slot
A Render mode
Up 0
Down 1
Left 2
Right 3

RTrigger mapping :

Dingux ColecoVision

Y 5
X 4
B Auto-fire
A FIRE2
Up 0
Down 1
Left Dec fire
Right Inc fire

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

In the main menu

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

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

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

Use LTrigger and RTrigger to see other 9 squares
figures.


4. LOADING COLECOVISION ROM FILES
------------

If you want to load rom image in your emulator, you have to put your rom
file (with .zip, or .rom file extension) on your Dingux SD card in the ´rom´
directory.

Then, while inside DinguxColem emulator, just press Start to enter in the
emulator main menu, and then using the file selector choose one rom file to
load in your emulator. Back to the emulator window, the rom should stard
automatically.

You can use the virtual keyboard in the file requester menu to choose the
first letter of the game you search (it might be useful when you have tons of
games in the same folder). Entering several time the same letter let you
choose sequentially files beginning with the given letter. You can use the Run
key of the virtual keyboard to launch the rom.

You may use the Trigger key to swap between the two virtual keyboard panels
(numbers & letters)

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

For given games, the default keyboard mapping between Dingux Keys and
ColecoVision keys, is not suitable, and the game can´t be played on Colem.

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 filename (.zip etc ...)
then when you load this rom, 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. CHEAT CODE (.CHT)
----------

You can use cheat codes with DinguxColem You can add your own cheat codes in
the cheat.txt file and then import them in the cheat menu.

All cheat codes you have specified for a game can be save in a CHT file
in ´cht´ folder. Those cheat codes would then be automatically loaded when
you start the game.

The CHT file format is the following :
#
# Enable, Address, Value, Comment
#
1,36f,3,Cheat comment

Using the Cheat menu you can search for modified bytes in RAM between
current time and the last time you saved the RAM. It might be very usefull to
find "poke" address by yourself, monitoring for example life numbers.

To find a new "poke address" you can proceed as follow :

Let´s say you´re playing Zaxxon and you want to find the memory address
where "number lives" is stored.

. Start a new game in Zaxxon
. Enter in the cheat menu.
. Choose Save Ram to save initial state of the memory.
. Specify the number of lives you want to find in
"Scan Old Value" field.
(for Zaxxon the initial lives number is 4)
. Go back to the game and loose a life.
. Enter in the cheat menu.
. Specify the number of lives you want to find in
"Scan New Value" field.
(for Zaxxon the lives number is now 3)
. In Add Cheat you have several matching Addresses
. Specify the Poke value you want (for example 6)
and add six new cheats with this address / value.
. Try them one by one to identify what is the good
one, while restarting new games and see if the
life number is 4 or 6. You will see that the good
address is 717D. You can delete all others.

The cheat is now activated in the cheat list and you can save it using the
"Save cheat" menu.

Let´s enjoy Zaxxon with infinite life !!

7. COMMENTS
------------

You can write your own comments for games using the "Comment" menu. The
first line of your comments would then be displayed in the file requester menu
while selecting the given file name (rom, keyboard, settings).


8. SETTINGS
------------

You can modify several settings value in the settings menu of this emulator.
The following parameters are available :

Sound enable :
enable or disable the sound

Speed limiter :
limit the speed to a given fps value

Skip frame :
to skip frame and increase emulator speed

Display fps :
display real time fps value

Render mode :
many render modes are available with different geometry that should
covered all games requirements

Delta Y :
move the center of the screen vertically

Vsync :
wait for vertical signal between each frame
displayed

Clock frequency :
Clock frequency, by default the value is set
to 200Mhz, and should be enough for most of all
games.


9. JOYSTICK SETTINGS
------------

You can modify several joystick settings value in the settings menu of this
emulator. The following parameters are available :

Swap Analog/Cursor :
swap key mapping between analog pad and
digital pad

Auto fire period :
auto fire period

Auto fire mode :
auto fire mode active or not

10. COMPILATION
------------

It has been developped under Linux FC9 using gcc with DINGUX SDK.
All tests have been done using a Dingoo with Dingux installed
To rebuild the homebrew run the Makefile in the src archive.

Enjoy,

Zx