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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML><HEAD> <META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20"> <TITLE>cc65 function reference: Alphabetical function reference: em_commit</TITLE> <LINK HREF="funcref-87.html" REL=next> <LINK HREF="funcref-85.html" REL=previous> <LINK HREF="funcref.html#toc3" REL=contents></HEAD><BODY><A HREF="funcref-87.html">Next</A><A HREF="funcref-85.html">Previous</A><A HREF="funcref.html#toc3">Contents</A><HR><H2><A NAME="em_commit"></A> 3.45 <A HREF="funcref.html#toc3.45">em_commit</A></H2><P><BLOCKQUOTE><DL><DT><B>Function</B><DD><P>Commit changes into extended memory.</P><DT><B>Header</B><DD><P><CODE><A HREF="funcref-15.html#em.h">em.h</A></CODE></P><DT><B>Declaration</B><DD><P><CODE>void __fastcall__ em_commit (void);</CODE></P><DT><B>Description</B><DD><P>Commit changes in the memory window to extended storage. Ifthe contents of the memory window have been changed, these changes may be lostif <CODE><A HREF="funcref-90.html#em_map">em_map</A></CODE>, <CODE><A HREF="funcref-93.html#em_use">em_use</A></CODE>,<CODE><A HREF="funcref-87.html#em_copyfrom">em_copyfrom</A></CODE> or <CODE><A HREF="funcref-88.html#em_copyto">em_copyto</A></CODE> are called without calling <CODE>em_commit</CODE> first.</P><DT><B>Limits</B><DD><P><UL><LI>Calling <CODE>em_commit</CODE> does not necessarily mean that changes to thememory window are discarded, it does just mean that the drivers is allowedto discard it.</LI><LI>The function is only available as fastcall function, so it may only beused in presence of a prototype.</LI><LI>The function produces undefined results if no extended memory driver isloaded.</LI></UL></P><DT><B>Availability</B><DD><P>cc65</P><DT><B>See also</B><DD><P><A HREF="funcref-89.html#em_load_driver">em_load_driver</A>,<A HREF="funcref-90.html#em_map">em_map</A>,<A HREF="funcref-93.html#em_use">em_use</A></P><DT><B>Example</B><DD><P>None.</P></DL></BLOCKQUOTE></P><HR><A HREF="funcref-87.html">Next</A><A HREF="funcref-85.html">Previous</A><A HREF="funcref.html#toc3">Contents</A></BODY></HTML>?? 快捷鍵說明
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