FD 50 - Move forward 50 steps
BK 50 - Move backward 50 steps
RT 90 - Turn right 90 degrees
LT 90 - Turn left 90 degrees
CS - Clear screen
PU - Pen up
PD - Pen down
HOME - Go to center
REPEAT 4 [...] - Loops 4 times a command
SETPC n - Sets color (0–15)
SETPW n - Sets pen width