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Initial revision: imported RGBDS source code

Browse Source 
The code comes from the RGBDS source and documentation zip files found
on this website:

http://www.otakunozoku.com/1999/08/01/rednex-gameboy-development-system/

The same website reports:

	"Best of all, it’s free! That’s right! Free! The executables
	are free to use, either for personal hobby use, or full blown
	commercial productions — I know of at least a dozen commercial
	games you can purchase that are written with RGBDS — and the
	source code is free to modify.

	"The only thing I ask is that you do not charge for either
	distributing the executables or source code, and any derivative
	works you give credit to the original authors of the tools.
	That means you have to say “Thanks” to the original authors
	SurfSmurf and Otaku."

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
This commit is contained in:
Carsten Sorensen
2009-06-11 06:00:24 +02:00
committed by Vegard Nossum
commit e895832b2b
103 changed files with 13891 additions and 0 deletions
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<TITLE>xAsm EXPORT/XREF, IMPORT/XDEF, GLOBAL</TITLE>
</HEAD>
<BODY BGCOLOR="#692764" TEXT="#F5A0D8" LINK="#8AAEE6" VLINK="#2B9DA4" ALINK="#95F0DA">
<I><H2>EXPORT/XREF<BR>
IMPORT/XDEF<BR>
GLOBAL</H2></I><HR>
<P>Importing and exporting of symbols is a feature that is very useful when your project spans many source-files and for example you
need to jump to a routine defined in another file.<BR>
<BR>
<TABLE BORDER=1>
<CAPTION><I>Import/export commands</I></CAPTION>
<TR>
<TD><B><I>Command</I></B></TD>
<TD><B><I>Meaning</I></B></TD>
</TR>
<TR>
<TD>IMPORT (or XREF) <I>label</I>[,<I>label</I>,...]</TD>
<TD>This instructs the assembler to define label as if it were present
in the current file but leave the address calculation to the linker.</TD>
</TR>
<TR>
<TD>EXPORT (or XDEF) <I>label</I>[,<I>label</I>,...]</TD>
<TD>The assembler will make <I>label</I> accessible to
other files during the link process.</TD>
</TR>
<TR>
<TD>GLOBAL <I>label</I>[,<I>label</I>,...]</TD>
<TD>If <I>label</I> is defined during the assembly it will be exported,
if not it will be imported. Handy (very!) for include-files.</TD>
</TR>
</TABLE>
<BR><HR>
<FONT SIZE="-1"><I><P ALIGN=RIGHT>Last updated 21 June 1997 by <A HREF="mailto:surfsmurf@matilde.demon.co.uk">Carsten Sorensen</A></P></I></FONT>