223cc6685e
git-svn-id: svn://svn.compuextreme.de/Viitor/V963/Viitor_cc65@5933 504e572c-2e33-0410-9681-be2bf7408885
44 lines
1.8 KiB
HTML
44 lines
1.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<HEAD>
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<META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20">
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<TITLE>grc -- GEOS Resource Compiler: Overview</TITLE>
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<LINK HREF="grc-2.html" REL=next>
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<LINK HREF="grc.html#toc1" REL=contents>
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</HEAD>
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<BODY>
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<A HREF="grc-2.html">Next</A>
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Previous
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<A HREF="grc.html#toc1">Contents</A>
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<HR>
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<H2><A NAME="s1">1.</A> <A HREF="grc.html#toc1">Overview</A></H2>
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<P><B>grc</B> is a part of cc65's GEOS support. The tool is necessary to
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generate required and optional resources. A required resource for every GEOS
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application is the header, that is: an icon, some strings, and some addresses.
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Optional resources might be menu definitions, other headers (e.g., for data
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files of an app.), dialog definitions, etc. Without an application's header,
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GEOS is unable to load and start it.</P>
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<P>Currently, <B>grc</B> supports only menues and the required header definition,
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along with support for building VLIR-structured files.</P>
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<P><B>grc</B> generates output in three formats: C header, <B>ca65</B> source (.s),
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and, for linking VLIR, <B>ld65</B> configuration script. That is because
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application header data must be in assembly format, while menu definitions can
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be translated easily into C. The purpose of the C file is to include it as a
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header in only one project file. The assembly source should be processed by
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<B>ca65</B>, and linked as the first object (read about
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<A HREF="grc-4.html#building-seq">the building process</A>). The VLIR structure currently
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is supported for only projects that are written entirely in assembly code.</P>
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<P><B>grc</B> can be used also as a handy VLIR linker -- used to build
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VLIR-structured <CODE>.cvt</CODE> files out of prepared binary chains.</P>
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<HR>
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<A HREF="grc-2.html">Next</A>
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Previous
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<A HREF="grc.html#toc1">Contents</A>
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</BODY>
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</HTML>
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