Pandora-Colem is a Coleco Vision emulator based upon ColEm.

What’s new in version 1.1.0 (compared to original version) :

– File requester with real and virtual keyboard to choose
sequentially rom files beginning with a given letter
– Thumbnail images for save states & file requester
– Save state files use gzip compression (with STZ as file extention).
You can use gzip or 7-zip to convert old STA to STZ.
STA file format is still supported for loading, so you
convert your previous saved files inside the emulator.
– Cheat support !
– Memory monitoring engine to find your own cheat code !
– Text editor to modify the global cheat.txt file
– Text editor to write your own comments on games
– Display first comment line while browsing game files
– Auto fire support for second joystick
– Zip rom files are decompressed in memory
– Add documentation for settings in help menu
– Auto-fire mode, press RTrigger+X to switch it on/off
– Add several new hotkeys :
. settings such as fps, render mode, auto fire speed
can now be directly modified inside the emulator
(no need to enter in the settings menu)
. quick save / quick load current state
(no need to enter in the main menu)
– Add ntsc/pal option

http://zx81.zx81.free.fr/serendipity/index.php?/archives/426-Pandora-Colem-Colecovision-emulator-for-Pandora-v1.1.0.html