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54 lines
1.8 KiB
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54 lines
1.8 KiB
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<TITLE>cc65 function reference: Alphabetical function reference: joy_read</TITLE>
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<H2><A NAME="joy_read"></A> 3.86 <A HREF="funcref.html#toc3.86">joy_read</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>Read the status of a joystick.</P>
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<DT><B>Header</B><DD><P><CODE>
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<A HREF="funcref-22.html#joystick.h">joystick.h</A></CODE></P>
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<DT><B>Declaration</B><DD><P><CODE>unsigned char __fastcall__ joy_read (unsigned char joystick);</CODE></P>
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<DT><B>Description</B><DD><P>The function reads the status bits for a joystick. The number
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of the joystick is passed as parameter. The result may be examined by using one
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of the <CODE>JOY_xxx</CODE> macros from
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<A HREF="funcref-22.html#joystick.h">joystick.h</A>.</P>
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<DT><B>Limits</B><DD><P>
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<UL>
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<LI>A joystick driver must be loaded using
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<A HREF="funcref-130.html#joy_load_driver">joy_load_driver</A> before calling this function.</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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</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-128.html#joy_count">joy_count</A>,
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<A HREF="funcref-130.html#joy_load_driver">joy_load_driver</A>,
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<A HREF="funcref-133.html#joy_unload">joy_unload</A></P>
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<DT><B>Example</B><DD><P>None.</P>
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</DL>
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