graphic source locations

$0000-$7000 / $0000-$0380 : gfx_bg
$7000-$7600 / $0380-$03E0 : gfx_font

$7C00-$7D20 : $03E0-$03E9 : gfx_window

tile map locations

$8000-$8800 : $10         : background (bg1)
$8800-$8C00 : $11         : window (bg0)
$9000-$9C00 : $12         : text (bg2)