( fFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfFfF ) dev screen variable RGB-temp struct ( 000 ) : color! ( r g b index -- ) >r RGB-temp 2+ c! RGB-temp 1+ c! RGB-temp c! RGB-temp r> 1 set-colors ; : gray! ( rgb index -- ) >r dup dup r> color! ; ff ff ff 0 color! ( foreground color ) F 1 do FF E0 i / E0 i / i color! loop 00 00 00 F color! ( background color ) 100 10 do i i i i color! loop