223cc6685e
git-svn-id: svn://svn.compuextreme.de/Viitor/V963/Viitor_cc65@5933 504e572c-2e33-0410-9681-be2bf7408885
54 lines
1.7 KiB
HTML
54 lines
1.7 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<TITLE>cc65 function reference: Alphabetical function reference: POKEW</TITLE>
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<H2><A NAME="POKEW"></A> 3.15 <A HREF="funcref.html#toc3.15">POKEW</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>Write a word (two bytes) to memory.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-28.html#peekpoke.h">peekpoke.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>void POKEW (unsigned addr, unsigned val);</CODE></P>
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<DT><B>Description</B><DD><P>The function writes the value <CODE>val</CODE> to the absolute
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memory address given by <CODE>addr</CODE>. The low byte of <CODE>val</CODE> is written to
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the <CODE>addr</CODE>, the high byte is written to <CODE>addr+1</CODE>.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>The function is actually a macro.</LI>
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<LI>This function depends highly on the platform and environment.</LI>
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<LI>Careless use will cause the program to act strange or may crash the
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machine.</LI>
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<LI>The order in which the two bytes are written is unspecified and may
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depend of the address expression used.</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-57.html#PEEK">PEEK</A>,
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<A HREF="funcref-59.html#POKE">POKE</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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</BLOCKQUOTE>
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</P>
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