PR gas/14315

[deliverable/binutils-gdb.git] / gas / doc / c-z80.texi

diff --git a/gas/doc/c-z80.texi b/gas/doc/c-z80.texi
index c3e64bf9252389311812854c9a4721b99b1743c7..82cdf80650a1d96009861bf1602fb72f3f9d0987 100644 (file)
--- a/gas/doc/c-z80.texi
+++ b/gas/doc/c-z80.texi
@@ -1,3 +1,4 @@
+@c Copyright 2011 Free Software Foundation, Inc.
 @c This is part of the GAS manual.
 @c For copying conditions, see the file as.texinfo.
 
@@ -59,7 +60,7 @@ Treat undocumented z80-instructions that do not work on R800 as errors.
 @item -r800
 Produce code for the R800 processor. The assembler does not support
 undocumented instructions for the R800.
-In line with common practice, @code{@value{AS}} uses Z80 instriction names
+In line with common practice, @code{@value{AS}} uses Z80 instruction names
 for the R800 processor, as far as they exist.
 @end table
 
@@ -91,6 +92,16 @@ The suffix @samp{b} denotes a backreference to local label.
 @cindex Z80 line comment character
 The semicolon @samp{;} is the line comment character; 
 
+If a @samp{#} appears as the first character of a line then the whole
+line is treated as a comment, but in this case the line could also be
+a logical line number directive (@pxref{Comments}) or a preprocessor
+control command (@pxref{Preprocessing}).
+
+@cindex line separator, Z80
+@cindex statement separator, Z80
+@cindex Z80 line separator
+The Z80 assembler does not support a line separator character.
+
 @cindex location counter, Z80
 @cindex hexadecimal prefix, Z80
 @cindex Z80 $
@@ -105,7 +116,7 @@ A backslash @samp{\} is an ordinary character for the Z80 assembler.
 @cindex single quote, Z80
 @cindex Z80 '
 The single quote @samp{'} must be followed by a closing quote. If there
-is one character inbetween, it is a character constant, otherwise it is
+is one character in between, it is a character constant, otherwise it is
 a string constant.
 
 @node Z80-Regs
@@ -114,7 +125,7 @@ a string constant.
 @cindex register names, Z80
 
 The registers are referred to with the letters assigned to them by
-Zilog. In addition @command{@value{AS}} recognises @samp{ixl} and 
+Zilog. In addition @command{@value{AS}} recognizes @samp{ixl} and 
 @samp{ixh} as the least and most significant octet in @samp{ix}, and
 similarly @samp{iyl} and  @samp{iyh} as parts of @samp{iy}. 
 
@@ -150,18 +161,28 @@ These are the additional directives in @code{@value{AS}} for the Z80:
 @item db @var{expression}|@var{string}[,@var{expression}|@var{string}...]
 @itemx defb @var{expression}|@var{string}[,@var{expression}|@var{string}...]
 For each @var{string} the characters are copied to the object file, for
-each other @var{expression} the value is stored in one byte, ignoring
-overflow. 
+each other @var{expression} the value is stored in one byte. 
+A warning is issued in case of an overflow. 
 
 @item dw @var{expression}[,@var{expression}...]
 @itemx defw @var{expression}[,@var{expression}...]
 For each @var{expression} the value is stored in two bytes, ignoring
 overflow. 
 
+@item d24 @var{expression}[,@var{expression}...]
+@itemx def24 @var{expression}[,@var{expression}...]
+For each @var{expression} the value is stored in three bytes, ignoring
+overflow. 
+
+@item d32 @var{expression}[,@var{expression}...]
+@itemx def32 @var{expression}[,@var{expression}...]
+For each @var{expression} the value is stored in four bytes, ignoring
+overflow. 
+
 @item ds @var{count}[, @var{value}]
 @itemx defs @var{count}[, @var{value}]
 @c Synonyms for @code{ds.b}, 
-@c which should have been described elsewhre
+@c which should have been described elsewhere
 Fill @var{count} bytes in the object file with @var{value}, if
 @var{value} is omitted it defaults to zero.
 
@@ -178,7 +199,7 @@ This is a normal instruction on Z80, and not an assembler directive.
 A synonym for @xref{Section}, no second argument should be given. 
 @ignore
 
-The following attributes will possibly be recognised in the future
+The following attributes will possibly be recognized in the future
 @table @code
 @item abs
 The section is to be absolute. @code{@value{AS}} will issue an error
@@ -202,7 +223,7 @@ The section is marked as read only.
 
 @node Z80 Opcodes
 @section Opcodes
-In line with commmon practice Z80 mnonics are used for both the Z80 and
+In line with common practice, Z80 mnemonics are used for both the Z80 and
 the R800. 
 
 In many instructions it is possible to use one of the half index