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Instruction
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Shortcut
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Description
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SHOWTURTLE
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ST
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Shows the Turtle on the screen
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HIDETURTLE
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HT
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Hides the Turtle from the screen
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FORWARD
number
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FD
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Moves the Turtle forward according to the number indicated
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BACK number
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BK
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Moves the Turtle back according to the number indicated
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RIGHT angle
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RT
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Changes the direction of the Turtle by turning it to the right
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LEFT angle
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LT
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Changes the direction of the Turtle by turning it to the left
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REPEAT times
[ instruction(s) ]
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Executes a set of instructions indefinitely
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CLEARSCREEN
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CS
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Erase the picture before a new picture is drawn
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HOME
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Move the turtle back to the centre of the screen and repositions the
turtle
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SETXY xcor
ycor
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Moves the turtle to an absolute X,Y coordinate.
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SQRT
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Outputs the square root of the input, which must be nonnegative.
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PERSPECTIVE
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Allows logo to draw in 3 Dimension
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RIGHTROLL
angle
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RR
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Rolls the turtle on its right side the specified angle
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LEFTROLL
angle
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LR
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Rolls the turtle on its left side the specified angle
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UPPITCH
angle
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UP
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Pitches the turtle nose up by the specified angle
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DOWNPITCH
angle
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DOWN
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Pitches the turtle nose down by the specified angle
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PENPAINT
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PPT
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Sets the pen's position to DOWN and mode to PAINT
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PENUP
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PU
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Sets the pen's position to UP, without changing its mode.
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PENERASE
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PE
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Sets the pen's position to DOWN and mode to ERASE.
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WAIT time
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Command that delays further execution for time 1/60ths of a second.
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SETTURTLE
turtle
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Selects turtle turtle for control
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WRAP
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Tells the turtle to enter wrap mode: Used to end the PERSPECTIVE mode.
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SETACTIVEAREA
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Used for bitmap saving and printing. Represents the area which will be
saved to an image file
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MAKE varname
value
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Command that assigns the value value to the variable named varname,
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POLYSTART
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POLYSTART tells MSWLogo that you are about to define a polygo
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POLYEND
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POLYEND tells MSWLogo that you have completed the definition of a
polygon
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POLYVIEW
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Views all polygons defined with POLYSTART and POLYEND
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GIFSAVE
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Saves a screen area to a gif file
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TONE
pitch duration
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Plays a sound on the pc speaker
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SOUND [pitch
duration]
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Plays a sound on the pc speaker
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SOUNDON
pitch
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Plays a sound indefinitely until a SOUNDOFF statement is issued.
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SOUNDOFF
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Turns off a sound played with SOUNDON.
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PLAYWAVE
wavefile
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Plays a wavefile.
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