jsr (FindNextFreeObj).l
        bne.s   loc_17910
        move.b  #id_BossBall,0(a1)  ; #1 load swinging ball object
        move.w  $30(a0),obX(a1)
        move.w  $38(a0),obY(a1)
        move.l  a0,$34(a1)
        jsr (FindNextFreeObj).l
        bne.s   loc_17910
        move.b  #id_BossBall,0(a1)  ; #2 load swinging ball object
        move.w  $30(a0),obX(a1)
        move.w  $38(a0),obY(a1)
        move.l  a0,$34(a1)
        move.b  #1,$2A(a1)      ; $2A is free, so we can set it for 2nd object only