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48 lines
1.5 KiB
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48 lines
1.5 KiB
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<TITLE>cc65 function reference: Alphabetical function reference: em_pagecount</TITLE>
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<H2><A NAME="em_pagecount"></A> 3.53 <A HREF="funcref.html#toc3.53">em_pagecount</A></H2>
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<P>
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<BLOCKQUOTE>
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<DL>
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<DT><B>Function</B><DD><P>Return the number of available extended memory pages.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-18.html#em.h">em.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>unsigned __fastcall__ em_pagecount (void);</CODE></P>
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<DT><B>Description</B><DD><P>The function returns the size of the extended memory supported
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by the driver in 256 byte pages.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>The function returns zero if no extended memory driver is loaded.</LI>
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<LI>The function may return zero if the supported hardware was not detected.</LI>
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</UL>
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</P>
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<DT><B>Availability</B><DD><P>cc65</P>
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<DT><B>See also</B><DD><P>
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<A HREF="funcref-96.html#em_load_driver">em_load_driver</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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