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90 lines
2.1 KiB
HTML
90 lines
2.1 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<HTML>
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<HEAD>
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<TITLE>xAsm RSSET, RSRESET, RB, RW</TITLE>
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</HEAD>
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<BODY BGCOLOR="#692764" TEXT="#F5A0D8" LINK="#8AAEE6" VLINK="#2B9DA4" ALINK="#95F0DA">
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<I><H2>RSSET<BR>
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RERESET<BR>
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RB<BR>
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RW</H2></I><HR>
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<P>The <B>RS</B> group of commands is a handy way of defining structures:<BR>
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<BR>
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<TABLE BORDER=0 BGCOLOR="Black" CELLPADDING=8 WIDTH="50%">
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<TR>
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<TD><FONT COLOR="#00FF00">
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<PRE> RSRESET
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str_pStuff RW 1
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str_tData RB 256
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str_bCount RB 1
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str_SIZEOF RB 0</PRE>
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</FONT></TD>
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</TR>
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</TABLE>
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<P>The example defines four <A HREF="equ.htm">equated</A> symbols:<BR>
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<BR>
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<TABLE BORDER=1>
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<CAPTION><I>Defined symbols</I></CAPTION>
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<TR>
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<TD><B><I>Name</I></B></TD>
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<TD><B><I>Value</I></B></TD>
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</TR>
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<TR>
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<TD>str_pStuff</TD>
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<TD>0</TD>
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</TR>
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<TR>
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<TD>str_tData</TD>
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<TD>2</TD>
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</TR>
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<TR>
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<TD>str_bCount</TD>
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<TD>258</TD>
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</TR>
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<TR>
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<TD>str_SIZEOF</TD>
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<TD>259</TD>
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</TR>
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</TABLE>
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<BR>
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There are four commands in the RS group of commands:<BR>
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<BR>
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<TABLE BORDER=1>
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<CAPTION><I>RS related commands</I></CAPTION>
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<TR>
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<TD><B><I>Command</I></B></TD>
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<TD><B><I>Meaning</I></B></TD>
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</TR>
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<TR>
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<TD>RSRESET</TD>
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<TD>Resets the <A HREF="presym.htm">_RS</A> counter to zero</TD>
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</TR>
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<TR>
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<TD>RSSET <I>constexpr</I></TD>
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<TD>Sets the <A HREF="presym.htm">_RS</A> counter to <I>constexpr</I></TD>
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</TR>
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<TR>
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<TD>RB <I>constexpr</I></TD>
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<TD>Sets the preceding symbol to <A HREF="presym.htm">_RS</A> and adds <I>constexpr</I> to _RS</TD>
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</TR>
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<TR>
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<TD>RW <I>constexpr</I></TD>
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<TD>Sets the preceding symbol to <A HREF="presym.htm">_RS</A> and adds <I>constexpr*2</I> to _RS</TD>
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</TR>
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</TABLE>
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<P>Note that a colon (:) following the symbol-name is not allowed. RS symbols can be exported and imported. They don't change their value during the link process.<BR>
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<H3>See also:</H3>
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<UL>
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<LI><A HREF="expr_int.htm">Integer and Boolean expressions</A>
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</UL>
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<BR><HR>
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<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>
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