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b53e170781
This fixes a zip/platform artifact. Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
48 lines
1.5 KiB
HTML
48 lines
1.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
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<HTML>
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<HEAD>
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<TITLE>xAsm EQUS</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>EQUS</H2></I><HR>
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<P>EQUS is used to define string-symbols. Wherever the assembler meets a string symbol its name is replaced with its value. If you are familiar with C you can think of it as the same as #define.<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>COUNTREG EQUS "[hl+]"
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ld a,COUNTREG</PRE>
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</FONT></TD>
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</TR>
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</TABLE>
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<P> (Note that : following the label-name is not allowed.)<BR>
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<P>This will be interpreted as:<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> ld a,[hl+]</PRE>
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</FONT></TD>
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</TR>
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</TABLE>
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<P>String-symbols can also be used to define small one-line macros:<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>PUSHA EQUS "push af\npush bc\npush de\npush hl\n"</PRE>
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</FONT></TD>
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</TR>
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</TABLE>
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<P>Note that a colon (:) following the label-name is not allowed. String equates can't be exported or imported.<BR>
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<H3>See also:</H3>
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<UL>
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<LI><A HREF="expr_str.htm">String expressions, functions and formatting</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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