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61 lines
2.1 KiB
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61 lines
2.1 KiB
HTML
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<TITLE>cc65 function reference: Alphabetical function reference: em_commit</TITLE>
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<H2><A NAME="em_commit"></A> 3.47 <A HREF="funcref.html#toc3.47">em_commit</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>Commit changes into extended memory.</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>void __fastcall__ em_commit (void);</CODE></P>
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<DT><B>Description</B><DD><P>Commit changes in the memory window to extended storage. If
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the contents of the memory window have been changed, these changes may be lost
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if <CODE>
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<A HREF="funcref-97.html#em_map">em_map</A></CODE>, <CODE>
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<A HREF="funcref-101.html#em_use">em_use</A></CODE>,
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<CODE>
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<A HREF="funcref-93.html#em_copyfrom">em_copyfrom</A></CODE> or <CODE>
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<A HREF="funcref-94.html#em_copyto">em_copyto</A></CODE> are called without calling <CODE>em_commit</CODE> first.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>Calling <CODE>em_commit</CODE> does not necessarily mean that changes to the
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memory window are discarded, it does just mean that the drivers is allowed
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to discard it.</LI>
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<LI>The function is only available as fastcall function, so it may only be
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used in presence of a prototype.</LI>
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<LI>The function produces undefined results if no extended memory driver is
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loaded.</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>,
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<A HREF="funcref-97.html#em_map">em_map</A>,
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<A HREF="funcref-101.html#em_use">em_use</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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