hmm not a good start..

For XaAES, I suggest, to begin with, use the desktop resolution, not the settings in xaaes.cnf, at least to get things going.

My experience is that the "standard" resolution change dialogs in BOTH TearDesk and XaAES should allow you to change to the proper resolution.

What I can also suggest is a "nvram setter", or one of those other "boot resolution setter" specific to the falcon, to set the default res.

Note, on the current Falcon emu setups I use, 256 color is only available at "40 columns". Note: I do have one setup for ARAnyM that uses 800x608, although I dont know if this can be achieved on a standard Falcon (via overscan or something maybe?)

Unfortunately I dont have Hatari running yet, so I can "check it out" on anything even remotely close to actual hardware

Someone may get around to commenting here, but it is not a hugely active forum, so dont expect "an immediate response"..

If you can get it to 640x480 in 16 colors, then both TeraDesk and XaAES should report the correct rez, and if you dont set via the .cnf, you should also get the correct "change rez" on reboot..

Paul