- @set_attribute_bits 0xff00, 0x1f00
- when '47', '49' # bg white (49 is default)
- @set_attribute_bits 0xff00, 0xff
+ @set_attribute_bits 0xff00, 0x0600
+ when '47' # bg white
+ @set_attribute_bits 0xff00, 0x0700
+ when '49' # bg default
+ @set_attribute_bits 0xff00, 0x0000