The Write Line to Virtual Display routine writes a line of text
    to a virtual display, beginning at the current virtual cursor
    position.

    Format

      SMG$PUT_LINE  display-id ,text [,line-advance] [,rendition-set]

                    [,rendition-complement] [,flags] [,character-set]

                    [,direction]

  Additional Information (explode) :

• Returns
• Arguments