This order defines a box with square or round corners, drawn with its first corner at a given position.
Box at Given Position (GBOX)
X'C0' (LEN,
CONTROL,
RES,
P0,
P1,
HAXIS,
VAXIS)
Box at Current Position (GCBOX)
X'80' (LEN,
CONTROL,
RES,
P1,
HAXIS,
VAXIS)