INT 62 u - FGDRIVER v1.10 - "FG_POLYGON" - DRAW AN UNFILLED POLYGON
        AX = 002Eh
        CX = number of vertices in polygon
        ES:BX -> variable pointer record (see below)
SeeAlso: AX=0030h,AX=00A2h

Format of variable pointer record:
Offset  Size    Description
 00h    WORD    segment of WORD array containing vertex columns
 02h    WORD    offset of WORD array containing vertex columns
 04h    WORD    segment of WORD array containing vertex rows
 06h    WORD    offset of WORD array containing vertex rows