Warning: -video none doesn't make much sense without -seconds_to_run
vt1200: screen_update#1 frame=0 clip_y=0..0 screen=1280x901
vt1200: screen_update#2 frame=0 clip_y=1..900 screen=1280x901
vt1200: guard#1 frame=0 dump_frame=-1 dump_ram=-1
vt1200: screen_update#3 frame=0 clip_y=0..900 screen=1280x901
vt1200: scanline#1 line=0 enabled=1
vt1200: guard#2 frame=0 dump_frame=-1 dump_ram=-1
vt1200: screen_update#4 frame=1 clip_y=0..0 screen=1280x901
vt1200: scanline#2 line=0 enabled=1
vt1200: scanline#3 line=1 enabled=1
vt1200: scanline#4 line=2 enabled=1