\ Screen 0 (zero)
[defined] ***empty*** [IF] ***empty*** [THEN]
marker ***empty***
\ This is a sample screen file, a file with screens separated
\ by formfeed characters. You can use LIST L N B INDEX QX to
\ inspect its content screen by screen,
\
\ This file demonstrates also loading screens.
\
\ 0 LOAD
\
\ will load this screen which will load screen 1.
\ Screen 1 then loads Screen 2 to defines COUNTUP that
\ screen 1 uses after that.
\
\ It then defines a load word ----- that loads screen 5 whenever
\ invoked.
\
\ Nested loading from another file is achieved by the use of FROM
\ that specifies the file that will be used by the next LOAD or THRU.
\ Screen 1 uses FROM to load screen 1 and 3 from the
\ file secondary_screenfile.fs
cr .( Beginning of screen 0 )
cr .( loading 1 ) 1 load
cr .( End of screen 0 )
\ Screen 1 (one)
cr .( Beginning of screen 1 )
cr .( loading 2 ) 2 load
cr .( Back on screen 2 )
cr 5 countup
5 loads -----
-----
from secondary_screenfile.fs 1 load
-----
from secondary_screenfile.fs 3 load
-----
3 4 thru
-----
from secondary_screenfile.fs 3 4 thru
-----
cr .( End of screen 1 )
\ Screen 2 (two)
cr .( Beginning of screen 2 )
: countup ( u -- ) 0 ?DO I . LOOP ;
cr .( End of screen 2 )
\ Screen 3 (three)
cr .( screenfile.fs 3 )
\ Screen 4 (four)
cr .( screenfile.fs 4 )
\ Screen 5 (five)
cr .( ---------------------------------- )
