AMSTRAD cpc 6128 User Instruction page 294

ht
(hide turtle) Makes the turtle invisible; speeds and clarifies drawing.
It
?ht
?cs fd 50
?st
(left) Rotates the turtle the input number of degrees to the left.
?Lt 90
pd
(pen down) Puts the turtle's pen down; the turtle resumes drawing.
pe
?fd 20 pu fd 20
?pd
?fd 20
(pen erase) Changes the turtle's pen colour to the background colour; the turtle
erases drawn lines.
?fd 50
?pe
?bk 25
?fd 50
?pd fd 25
pU
(pen up) Picks the turtle's pen up; the turtle stops drawing.
?fd 30
?pu
?fd 30
?pd fd 30
Introduction to Logo Chapter 6 Page 27