Graphic Screen; Type; Clean; Dot - AMSTRAD cpc 6128 User Instruction

type
Displays the input object(s) on the text screen, removes list's outer brackets, does not
follow last input with a carriage return (compare with p rand
5
how).
?type [a
b
c]
a
b
c
Graphic screen:
Note that the screen is in Mode 1, giving four colours, and that the same co-ordinate
system is used as in AMSTRAD BASIC. In other words all screen positions will be
rounded to the nearest even-numbered screen dot. Red green and blue colours can
have amounts ofO, 1, or 2.
clean
Erases the graphic screen without affecting the turtle.
cs
?fd
50
?cLean
(clear screen) Erases the graphic screen and puts the turtle at [0,0] heading
°
(north)
with the pen down.
dot
?rt
90
fd
50
?cs
Plots a dot at the position specified by the input co-ordinate list in the current pen
colour.
?dot
[50 10]
Chapter 6 Page 22 Introduction to Logo