TODO: add -D OSSO
client.cc   pre-osso
video.cc    pre-fullscreen -"-
gui/MainMenu.cc -"-
main.cc         -"-

800x480:

src/video.cc    mode definition
src/video.hh    -"-
data/gfx32/menu_bg.jpg:  
    convert data/gfx40/menu_bg.jpg -crop 0x0+0+120 data/gfx32/menu_bg.jpg 
convert data/gfx/enigma_logo3.png -rotate -90 -scale 66% data/gfx/enigma_logo3_small.png

src/display.cc    make GameDisplay::resize_game_area work with gamearea size

