NAME
        AddVSprite -- Add a vsprite to the current gel list.
   SYNOPSIS
        AddVSprite(vs, rp)
                   A0  A1
        void AddVSprite(struct vsprite *, struct rastport *);
   FUNCTION
        Sets up the system vsprite flags
        Links this vsprite into the current gel list using its y,x
   INPUTS
        vs = pointer to the vsprite structure to be added to the gel list
        rp = pointer to a rastport structure
   RESULT
   BUGS
   SEE ALSO
        initgels()  graphics/rastport.h  graphics/gels.h