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fs
(full screen) Selects a full graphic screen.
?fs
pal
(palette) Outputs numbers representing the amount of red, green, and blue colour
assigned to a pen.
?pal 2
[0 2 2]
setpal
(set palette) Sets the pen colour palette. Assign an amount of red, green, and blue to a
pen.
?setpal 3 [1 1 2]
?pal 3
[1 1 2]
sf
(screen facts) Outputs information about the graphic screen. The <format> is
[<bgcolour> <screen-state> <split-size> <window-state> <scrunch>] where
<bgcolour> is the background pen number, always 0. <screen-state> indicates ss
(Split screen), fs (Full screen) or ts (Text screen). <split-size> is the number of text
lines displayed on the split screen's text window and <window-state> indicates
window, wrap or fence mode. <scrunch> is permanently set to 1
?sf
[0 SS 5 FENCE 1]
ss
(split screen) Displays a window of text on the graphic screen.
9ss
window
Allows the turtle to plot outside the visible graphic screen after a wrap or fence
expression.
?fence fd 300
Turtle out of bounds
?window
?fd 300
AMSTRAD Disc Drive & Interface DDI-1 Manual Chapter 4.14