Hi Guys,
today i finally assembled Lotarek SIO2D device to my ATARI 800XL
but was unpleasant surprised 
i have some archives /sources/ but there have millions versions of almost each title , and 90% ot them are not working with this device
So, PLEASE if some one of You , have a private TESTED collection of images /games/ let me send some LINK for DOWNLOAD
Thanks in advance !!!
Georgi
p.s.. some of my favorites are
p.s.s. and HOW I CAN MAKE A SHOT in Castle Wolfenstein 
/which KEY ?
Aztec /datamost/
Conan
Castle Wolfenstein
Beyond Castle Wolfenstein
Karateka
Lode Runner(1983)(broderbund)
Championship_LODE_RUNNER
DROL
Diamond Mine
....
and i prefer COLOR versions
THANKS again !!!