Table of contents

Commands
Pen Color
Pen Size
Turn Directions

Commands

Command	Example	Description
H	H	center the turtle in the drawing area point in direction 0
M	M 5	move forward ? steps
L	L 2	turn left (0-6)
R	R 6	turn right (0-6)
U	U	pen up (stop drawing)
D	D	pen down (start drawing)
C	C 3	pen color (1-6)
S	S 2	pen size (1-9)

Note:

- Commands are case insensitive.
- Commands are a single letter usually followed by a space and number.
- A turn value of 0 reset the direction to 0. Direction 0 is a special direction. It points to the top of the drawing area. All other directions are relative to the move direction
- Unknown commands or values stop execution.
- The move step size is fixed and defined in the app configuration.

Pen Color (1-6)

#	Pen Color
1	black
2	white
3	red
4	green
5	blue
6	yellow

Note: unknown pen color stop execution

Pen Size (1-9)

#	Pin Size
1
2
3
4
5
6
7
8
9

Note: unknown pen sizes stop execution

Turn Directions (1-6)

Note:

- Turn directions are both left and right.
- Unknown direction values stop execution.
- Direction 0 is a special direction. It points to the top of the drawing area. All other directions relate to the move direction.
- There is 15° between turn directions.
- To turn more than 90°, execute more than one turn command.