 division performed with the FDIVR or <A HREF="fpuchap8.htm#fdivrp">FDIVRP</A> instruction.</BLOCKQUOTE>

An <B>I</B>nvalid operation exception is detected if the TOP data register ST(0) is empty, or is a <A HREF="fpuchap2.htm#nans">NAN</A>, or if the value of both the source integer and ST(0) is zero, setting the related flag in the <A HREF="fpuchap1.htm#sword">Status Word</A>. The <A HREF="fpuchap2.htm#indefini">INDEFINITE</A> value would then be inserted in ST(0). (A value of <A HREF="fpuchap2.htm#infini