mirror of
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Added new assembler commands
git-svn-id: svn://svn.cc65.org/cc65/trunk@221 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz
parent
9fa11093eb
commit
28c25a9bdb
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@ -50,7 +50,7 @@ clean:
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rm -f *~
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zap: clean
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rm -f $(TXT) $(HTML) $(INFO) $(DVI) *.html *.info-*
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rm -f $(TXT) $(HTML) $(INFO) $(DVI) *.html *.info-* *.man
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# ------------------------------------------------------------------------------
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# Make the dependencies
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266
doc/ca65.sgml
266
doc/ca65.sgml
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@ -348,7 +348,7 @@ Available operators sorted by precedence:
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<tscreen><verb>
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Op Description Precedence
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-------------------------------------------------------------------
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.CONCAT Builtin function 0
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.CONCAT Builtin function 0
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.LEFT Builtin function 0
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.MID Builtin function 0
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.RIGHT Builtin function 0
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@ -369,8 +369,8 @@ Available operators sorted by precedence:
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- Unary minus 1
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~ Unary bitwise not 1
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.BITNOT Unary bitwise not 1
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< Low byte operator 1
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> High byte operator 1
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< Low byte operator 1
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> High byte operator 1
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* Multiplication 2
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/ Division 2
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@ -526,7 +526,7 @@ use symbols and labels, giving a lot of flexibility.
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prefer the "cheap" local labels). Nevertheless, unnamed labels are
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convenient in some situations, so it's your decision.
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- Using macros to define labels and constants
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<tag/Using macros to define labels and constants/
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While there are drawbacks with this approach, it may be handy in some
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situations. Using <tt/.DEFINE/, it is possible to define symbols or
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@ -567,7 +567,7 @@ Here's a list of all control commands and a description, what they do:
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<descrip>
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<tag><tt>.A16</tt></tag>
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<tag><tt><idx>.A16</idx></tt></tag>
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Valid only in 65816 mode. Switch the accumulator to 16 bit.
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@ -577,7 +577,7 @@ Here's a list of all control commands and a description, what they do:
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See also: <tt/.SMART/
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<tag><tt>.A8</tt></tag>
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<tag><tt><idx>.A8</idx></tt></tag>
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Valid only in 65816 mode. Switch the accumulator to 8 bit.
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@ -587,7 +587,7 @@ Here's a list of all control commands and a description, what they do:
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See also: <tt/.SMART/
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<tag><tt>.ADDR</tt></tag>
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<tag><tt><idx>.ADDR</idx></tt></tag>
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Define word sized data. In 6502 mode, this is an alias for <tt/.WORD/ and
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may be used for better readability if the data words are address values.
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@ -602,7 +602,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.ALIGN</tt></tag>
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<tag><tt><idx>.ALIGN</idx></tt></tag>
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Align data to a given boundary. The command expects a constant integer
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argument that must be a power of two, plus an optional second argument
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@ -621,7 +621,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.ASCIIZ</tt></tag>
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<tag><tt><idx>.ASCIIZ</idx></tt></tag>
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Define a string with a trailing zero.
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@ -636,7 +636,7 @@ Here's a list of all control commands and a description, what they do:
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the binary zero is only appended once (after the last one).
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<tag><tt>.AUTOIMPORT</tt></tag>
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<tag><tt><idx>.AUTOIMPORT</idx></tt></tag>
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Is followd by a plus or a minus character. When switched on (using a
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+), undefined symbols are automatically marked as import instead of
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@ -661,7 +661,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.BLANK</tt></tag>
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<tag><tt><idx>.BLANK</idx></tt></tag>
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Builtin function. The function evaluates its argument in braces and
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yields "false" if the argument is non blank (there is an argument), and
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@ -673,7 +673,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.BSS</tt></tag>
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<tag><tt><idx>.BSS</idx></tt></tag>
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Switch to the BSS segment. The name of the BSS segment is always "BSS",
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so this is a shortcut for
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@ -685,7 +685,7 @@ Here's a list of all control commands and a description, what they do:
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See also the <tt/.SEGMENT/ command.
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<tag><tt>.BYTE</tt></tag>
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<tag><tt><idx>.BYTE</idx></tt></tag>
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Define byte sized data. Must be followed by a sequence of (byte ranged)
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expressions or strings.
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@ -697,7 +697,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.CASE</tt></tag>
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<tag><tt><idx>.CASE</idx></tt></tag>
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Switch on or off case sensitivity on identifiers. The default is off
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(that is, identifiers are case sensitive), but may be changed by the
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@ -712,7 +712,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.CODE</tt></tag>
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<tag><tt><idx>.CODE</idx></tt></tag>
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Switch to the CODE segment. The name of the CODE segment is always
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"CODE", so this is a shortcut for
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@ -724,7 +724,7 @@ Here's a list of all control commands and a description, what they do:
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See also the <tt/.SEGMENT/ command.
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<tag><tt>.CONCAT</tt></tag>
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<tag><tt><idx>.CONCAT</idx></tt></tag>
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Builtin function. The function allows to concatenate a list of string
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constants separated by commas. The result is a string constant that
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@ -746,7 +746,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.CONST</tt></tag>
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<tag><tt><idx>.CONST</idx></tt></tag>
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Builtin function. The function evaluates its argument in braces and
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yields "true" if the argument is a constant expression (that is, an
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@ -758,7 +758,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.CPU</tt></tag>
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<tag><tt><idx>.CPU</idx></tt></tag>
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Reading this pseudo variable will give a constant integer value that
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tells which instruction set is currently enabled. Possible values are:
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@ -788,7 +788,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.DATA</tt></tag>
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<tag><tt><idx>.DATA</idx></tt></tag>
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Switch to the DATA segment. The name of the DATA segment is always
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"DATA", so this is a shortcut for
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@ -800,7 +800,7 @@ Here's a list of all control commands and a description, what they do:
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See also the <tt/.SEGMENT/ command.
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<tag><tt>.DBYT</tt></tag>
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<tag><tt><idx>.DBYT</idx></tt></tag>
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Define word sized data with the hi and lo bytes swapped (use <tt/.WORD/ to
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create word sized data in native 65XX format). Must be followed by a
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@ -821,7 +821,7 @@ Here's a list of all control commands and a description, what they do:
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into the current segment in that order.
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<tag><tt>.DEBUGINFO</tt></tag>
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<tag><tt><idx>.DEBUGINFO</idx></tt></tag>
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Switch on or off debug info generation. The default is off (that is,
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the object file will not contain debug infos), but may be changed by the
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@ -836,7 +836,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.DEFINE</tt></tag>
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<tag><tt><idx>.DEFINE</idx></tt></tag>
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Start a define style macro definition. The command is followed by an
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identifier (the macro name) and optionally by a list of formal arguments
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@ -844,7 +844,7 @@ Here's a list of all control commands and a description, what they do:
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See separate section about macros.
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<tag><tt>.DEF, .DEFINED</tt></tag>
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<tag><tt><idx>.DEF,</idx> <idx>.DEFINED</idx></tt></tag>
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Builtin function. The function expects an identifier as argument in
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braces. The argument is evaluated, and the function yields "true" if the
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</verb></tscreen>
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<tag><tt>.DWORD</tt></tag>
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<tag><tt><idx>.DWORD</idx></tt></tag>
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Define dword sized data (4 bytes) Must be followed by a sequence of
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expressions.
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@ -869,38 +869,43 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.ELSE</tt></tag>
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<tag><tt><idx>.ELSE</idx></tt></tag>
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Conditional assembly: Reverse the current condition.
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<tag><tt>.ELSEIF</tt></tag>
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<tag><tt><idx>.ELSEIF</idx></tt></tag>
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Conditional assembly: Reverse current condition and test a new one.
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<tag><tt>.END</tt></tag>
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<tag><tt><idx>.END</idx></tt></tag>
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Forced end of assembly. Assembly stops at this point, even if the command
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is read from an include file.
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<tag><tt>.ENDIF</tt></tag>
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<tag><tt><idx>.ENDIF</idx></tt></tag>
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Conditional assembly: Close a <tt/.IF.../ or <tt/.ELSE/ branch.
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<tag><tt>.ENDMAC, .ENDMACRO</tt></tag>
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<tag><tt><idx>.ENDMAC,</idx> <idx>.ENDMACRO</idx></tt></tag>
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End of macro definition (see separate section).
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<tag><tt>.ENDPROC</tt></tag>
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<tag><tt><idx>.ENDPROC</idx></tt></tag>
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End of local lexical level (see <tt/.PROC/).
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<tag><tt>.ERROR</tt></tag>
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<tag><tt><idx>.ENDREP,</idx> <idx>.ENDREPEAT</idx></tt></tag>
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End a <tt/.REPEAT/ block. See the <tt/.REPEAT/ command.
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<tag><tt><idx>.ERROR</idx></tt></tag>
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Force an assembly error. The assembler will output an error message
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preceeded by "User error" and will <em/not/ produce an object file.
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@ -923,13 +928,13 @@ Here's a list of all control commands and a description, what they do:
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See also the <tt/.WARNING/ and <tt/.OUT/ directives.
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<tag><tt>.EXITMAC, .EXITMACRO</tt></tag>
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<tag><tt><idx>.EXITMAC,</idx> <idx>.EXITMACRO</idx></tt></tag>
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Abort a macro expansion immidiately. This command is often useful in
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recursive macros. See separate chapter about macros.
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<tag><tt>.EXPORT</tt></tag>
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<tag><tt><idx>.EXPORT</idx></tt></tag>
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Make symbols accessible from other modules. Must be followed by a comma
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separated list of symbols to export.
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@ -941,7 +946,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.EXPORTZP</tt></tag>
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<tag><tt><idx>.EXPORTZP</idx></tt></tag>
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Make symbols accessible from other modules. Must be followed by a comma
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separated list of symbols to export. The exported symbols are explicitly
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@ -954,7 +959,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.FARADDR</tt></tag>
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<tag><tt><idx>.FARADDR</idx></tt></tag>
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Define far (24 bit) address data. The command must be followed by a
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sequence of (not necessarily constant) expressions.
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@ -966,7 +971,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.FEATURE</tt></tag>
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<tag><tt><idx>.FEATURE</idx></tt></tag>
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This directive may be used to enable one or more compatibility features
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of the assembler. While the use of <tt/.FEATURE/ should be avoided when
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@ -984,29 +989,29 @@ Here's a list of all control commands and a description, what they do:
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<descrip>
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<tag><tt>dollar_is_pc</tt></tag>
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<tag><tt<idx>>dollar_is_pc</idx></tt></tag>
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The dollar sign may be used as an alias for the star (`*'), which
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gives the value of the current PC in expressions.
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Note: Assignment to the pseudo variable is not allowed.
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<tag><tt>labels_without_colons</tt></tag>
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<tag><tt<idx>>labels_without_colons</idx></tt></tag>
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Allow labels without a trailing colon. These labels are only accepted,
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if they start at the beginning of a line (no leading white space).
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<tag><tt>loose_string_term</tt></tag>
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<tag><tt<idx>>loose_string_term</idx></tt></tag>
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Accept single quotes as well as double quotes as terminators for string
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constants.
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<tag><tt>at_in_identifiers</tt></tag>
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<tag><tt<idx>>at_in_identifiers</idx></tt></tag>
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Accept the at character (`@') as a valid character in identifiers. The
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at character is not allowed to start an identifier, even with this
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feature enabled.
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<tag><tt>dollar_in_identifiers</tt></tag>
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<tag><tt<idx>>dollar_in_identifiers</idx></tt></tag>
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Accept the dollar sign (`$') as a valid character in identifiers. The
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at character is not allowed to start an identifier, even with this
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@ -1015,7 +1020,7 @@ Here's a list of all control commands and a description, what they do:
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</descrip>
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<tag><tt>.FILEOPT, .FOPT</tt></tag>
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<tag><tt><idx>.FILEOPT,</idx> <idx>.FOPT</idx></tt></tag>
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Insert an option string into the object file. There are two forms of
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this command, one specifies the option by a keyword, the second
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@ -1045,7 +1050,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.GLOBAL</tt></tag>
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<tag><tt><idx>.GLOBAL</idx></tt></tag>
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Declare symbols as global. Must be followed by a comma separated list
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of symbols to declare. Symbols from the list, that are defined somewhere
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@ -1060,7 +1065,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.GLOBALZP</tt></tag>
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<tag><tt><idx>.GLOBALZP</idx></tt></tag>
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Declare symbols as global. Must be followed by a comma separated list
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of symbols to declare. Symbols from the list, that are defined
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@ -1076,7 +1081,7 @@ Here's a list of all control commands and a description, what they do:
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</verb></tscreen>
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<tag><tt>.I16</tt></tag>
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<tag><tt><idx>.I16</idx></tt></tag>
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Valid only in 65816 mode. Switch the index registers to 16 bit.
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@ -1086,7 +1091,7 @@ Here's a list of all control commands and a description, what they do:
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See also the <tt/.SMART/ command.
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<tag><tt>.I8</tt></tag>
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<tag><tt><idx>.I8</idx></tt></tag>
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Valid only in 65816 mode. Switch the index registers to 8 bit.
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@ -1096,7 +1101,7 @@ Here's a list of all control commands and a description, what they do:
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See also the <tt/.SMART/ command.
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<tag><tt>.IF</tt></tag>
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<tag><tt><idx>.IF</idx></tt></tag>
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Conditional assembly: Evalute an expression and switch assembler output
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on or off depending on the expression. The expression must be a constant
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@ -1106,7 +1111,7 @@ Here's a list of all control commands and a description, what they do:
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to TRUE.
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<tag><tt>.IFBLANK</tt></tag>
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<tag><tt><idx>.IFBLANK</idx></tt></tag>
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Conditional assembly: Check if there are any remaining tokens in this
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line, and evaluate to FALSE if this is the case, and to TRUE otherwise.
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@ -1132,7 +1137,7 @@ Here's a list of all control commands and a description, what they do:
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See also: <tt/.BLANK/
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<tag><tt>.IFCONST</tt></tag>
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<tag><tt><idx>.IFCONST</idx></tt></tag>
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Conditional assembly: Evaluate an expression and switch assembler output
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on or off depending on the constness of the expression.
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@ -1144,7 +1149,7 @@ Here's a list of all control commands and a description, what they do:
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See also: <tt/.CONST/
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<tag><tt>.IFDEF</tt></tag>
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<tag><tt><idx>.IFDEF</idx></tt></tag>
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Conditional assembly: Check if a symbol is defined. Must be followed by
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a symbol name. The condition is true if the the given symbol is already
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@ -1153,7 +1158,7 @@ Here's a list of all control commands and a description, what they do:
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See also: <tt/.DEFINED/
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<tag><tt>.IFNBLANK</tt></tag>
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<tag><tt><idx>.IFNBLANK</idx></tt></tag>
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Conditional assembly: Check if there are any remaining tokens in this
|
||||
line, and evaluate to TRUE if this is the case, and to FALSE otherwise.
|
||||
|
|
@ -1178,7 +1183,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also: <tt/.BLANK/
|
||||
|
||||
|
||||
<tag><tt>.IFNDEF</tt></tag>
|
||||
<tag><tt><idx>.IFNDEF</idx></tt></tag>
|
||||
|
||||
Conditional assembly: Check if a symbol is defined. Must be followed by
|
||||
a symbol name. The condition is true if the the given symbol is not
|
||||
|
|
@ -1187,7 +1192,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also: <tt/.DEFINED/
|
||||
|
||||
|
||||
<tag><tt>.IFNREF</tt></tag>
|
||||
<tag><tt><idx>.IFNREF</idx></tt></tag>
|
||||
|
||||
Conditional assembly: Check if a symbol is referenced. Must be followed
|
||||
by a symbol name. The condition is true if if the the given symbol was
|
||||
|
|
@ -1196,25 +1201,25 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also: <tt/.REFERENCED/
|
||||
|
||||
|
||||
<tag><tt>.IFP02</tt></tag>
|
||||
<tag><tt><idx>.IFP02</idx></tt></tag>
|
||||
|
||||
Conditional assembly: Check if the assembler is currently in 6502 mode
|
||||
(see <tt/.P02/ command).
|
||||
|
||||
|
||||
<tag><tt>.IFP816</tt></tag>
|
||||
<tag><tt><idx>.IFP816</idx></tt></tag>
|
||||
|
||||
Conditional assembly: Check if the assembler is currently in 65816 mode
|
||||
(see <tt/.P816/ command).
|
||||
|
||||
|
||||
<tag><tt>.IFPC02</tt></tag>
|
||||
<tag><tt><idx>.IFPC02</idx></tt></tag>
|
||||
|
||||
Conditional assembly: Check if the assembler is currently in 65C02 mode
|
||||
(see <tt/.PC02/ command).
|
||||
|
||||
|
||||
<tag><tt>.IFREF</tt></tag>
|
||||
<tag><tt><idx>.IFREF</idx></tt></tag>
|
||||
|
||||
Conditional assembly: Check if a symbol is referenced. Must be followed
|
||||
by a symbol name. The condition is true if if the the given symbol was
|
||||
|
|
@ -1236,7 +1241,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also: <tt/.REFERENCED/
|
||||
|
||||
|
||||
<tag><tt>.IMPORT</tt></tag>
|
||||
<tag><tt><idx>.IMPORT</idx></tt></tag>
|
||||
|
||||
Import a symbol from another module. The command is followed by a comma
|
||||
separated list of symbols to import.
|
||||
|
|
@ -1248,7 +1253,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.IMPORTZP</tt></tag>
|
||||
<tag><tt><idx>.IMPORTZP</idx></tt></tag>
|
||||
|
||||
Import a symbol from another module. The command is followed by a comma
|
||||
separated list of symbols to import. The symbols are explicitly imported
|
||||
|
|
@ -1261,7 +1266,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.INCBIN</tt></tag>
|
||||
<tag><tt><idx>.INCBIN</idx></tt></tag>
|
||||
|
||||
Include a file as binary data. The command expects a string argument
|
||||
that is the name of a file to include literally in the current segment.
|
||||
|
|
@ -1273,7 +1278,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.INCLUDE</tt></tag>
|
||||
<tag><tt><idx>.INCLUDE</idx></tt></tag>
|
||||
|
||||
Include another file. Include files may be nested up to a depth of 16.
|
||||
|
||||
|
|
@ -1284,7 +1289,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.LEFT</tt></tag>
|
||||
<tag><tt><idx>.LEFT</idx></tt></tag>
|
||||
|
||||
Builtin function. Extracts the left part of a given token list.
|
||||
|
||||
|
|
@ -1318,7 +1323,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also the <tt/.MID/ and <tt/.RIGHT/ builtin functions.
|
||||
|
||||
|
||||
<tag><tt>.LINECONT</tt></tag>
|
||||
<tag><tt><idx>.LINECONT</idx></tt></tag>
|
||||
|
||||
Switch on or off line continuations using the backslash character
|
||||
before a newline. The option is off by default.
|
||||
|
|
@ -1338,7 +1343,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.LIST</tt></tag>
|
||||
<tag><tt><idx>.LIST</idx></tt></tag>
|
||||
|
||||
Enable output to the listing. The command must be followed by a boolean
|
||||
switch ("on", "off", "+" or "-") and will enable or disable listing
|
||||
|
|
@ -1356,7 +1361,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.LISTBYTES</tt></tag>
|
||||
<tag><tt><idx>.LISTBYTES</idx></tt></tag>
|
||||
|
||||
Set, how many bytes are shown in the listing for one source line. The
|
||||
default is 12, so the listing will show only the first 12 bytes for any
|
||||
|
|
@ -1373,7 +1378,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.LOCAL</tt></tag>
|
||||
<tag><tt><idx>.LOCAL</idx></tt></tag>
|
||||
|
||||
This command may only be used inside a macro definition. It declares a
|
||||
list of identifiers as local to the macro expansion.
|
||||
|
|
@ -1392,7 +1397,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
You get an error when using <tt/.LOCAL/ outside a macro.
|
||||
|
||||
|
||||
<tag><tt>.LOCALCHAR</tt></tag>
|
||||
<tag><tt><idx>.LOCALCHAR</idx></tt></tag>
|
||||
|
||||
Defines the character that start "cheap" local labels. You may use one
|
||||
of '@' and '?' as start character. The default is '@'.
|
||||
|
|
@ -1416,7 +1421,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.MACPACK</tt></tag>
|
||||
<tag><tt><idx>.MACPACK</idx></tt></tag>
|
||||
|
||||
Insert a predefined macro package. The command is followed by an
|
||||
identifier specifying the macro package to insert. Available macro
|
||||
|
|
@ -1440,7 +1445,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See separate section about macros packages.
|
||||
|
||||
|
||||
<tag><tt>.MAC, .MACRO</tt></tag>
|
||||
<tag><tt><idx>.MAC,</idx> <idx>.MACRO</idx></tt></tag>
|
||||
|
||||
Start a classic macro definition. The command is followed by an identifier
|
||||
(the macro name) and optionally by a comma separated list of identifiers
|
||||
|
|
@ -1448,7 +1453,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See separate section about macros.
|
||||
|
||||
|
||||
<tag><tt>.MATCH</tt></tag>
|
||||
<tag><tt><idx>.MATCH</idx></tt></tag>
|
||||
|
||||
Builtin function. Matches two token lists against each other. This is
|
||||
most useful within macros, since macros are not stored as strings, but
|
||||
|
|
@ -1500,7 +1505,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
reserved keyword "A".
|
||||
|
||||
|
||||
<tag><tt>.MID</tt></tag>
|
||||
<tag><tt><idx>.MID</idx></tt></tag>
|
||||
|
||||
Builtin function. Takes a starting index, a count and a token list as
|
||||
arguments. Will return part of the token list.
|
||||
|
|
@ -1537,7 +1542,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also the <tt/.LEFT/ and <tt/.RIGHT/ builtin functions.
|
||||
|
||||
|
||||
<tag><tt>.ORG</tt></tag>
|
||||
<tag><tt><idx>.ORG</idx></tt></tag>
|
||||
|
||||
Start a section of absolute code. The command is followed by a constant
|
||||
expression that gives the new PC counter location for which the code is
|
||||
|
|
@ -1552,7 +1557,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.OUT</tt></tag>
|
||||
<tag><tt><idx>.OUT</idx></tt></tag>
|
||||
|
||||
Output a string to the console without producing an error. This command
|
||||
is similiar to <tt/.ERROR/, however, it does not force an assembler error
|
||||
|
|
@ -1567,20 +1572,20 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also the <tt/.WARNING/ and <tt/.ERROR/ directives.
|
||||
|
||||
|
||||
<tag><tt>.P02</tt></tag>
|
||||
<tag><tt><idx>.P02</idx></tt></tag>
|
||||
|
||||
Enable the 6502 instruction set, disable 65C02 and 65816 instructions.
|
||||
This is the default if not overridden by the <tt/--cpu/ command line
|
||||
option.
|
||||
|
||||
|
||||
<tag><tt>.P816</tt></tag>
|
||||
<tag><tt><idx>.P816</idx></tt></tag>
|
||||
|
||||
Enable the 65816 instruction set. This is a superset of the 65C02 and
|
||||
6502 instruction sets.
|
||||
|
||||
|
||||
<tag><tt>.PAGELEN, .PAGELENGTH</tt></tag>
|
||||
<tag><tt><idx>.PAGELEN,</idx> <idx>.PAGELENGTH</idx></tt></tag>
|
||||
|
||||
Set the page length for the listing. Must be followed by an integer
|
||||
constant. The value may be "unlimited", or in the range 32 to 127. The
|
||||
|
|
@ -1599,7 +1604,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.PARAMCOUNT</tt></tag>
|
||||
<tag><tt><idx>.PARAMCOUNT</idx></tt></tag>
|
||||
|
||||
This builtin pseudo variable is only available in macros. It is replaced
|
||||
by the actual number of parameters that were given in the macro
|
||||
|
|
@ -1617,13 +1622,13 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.PC02</tt></tag>
|
||||
<tag><tt><idx>.PC02</idx></tt></tag>
|
||||
|
||||
Enable the 65C02 instructions set. This instruction set includes all
|
||||
6502 instructions.
|
||||
|
||||
|
||||
<tag><tt>.PROC</tt></tag>
|
||||
<tag><tt><idx>.PROC</idx></tt></tag>
|
||||
|
||||
Start a nested lexical level. All new symbols from now on are in the
|
||||
local lexical level and are not accessible from outside. Symbols defined
|
||||
|
|
@ -1656,7 +1661,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.REF, .REFERENCED</tt></tag>
|
||||
<tag><tt><idx>.REF,</idx> <idx>.REFERENCED</idx></tt></tag>
|
||||
|
||||
Builtin function. The function expects an identifier as argument in
|
||||
braces. The argument is evaluated, and the function yields "true" if the
|
||||
|
|
@ -1669,12 +1674,39 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.RELOC</tt></tag>
|
||||
<tag><tt><idx>.REPEAT</idx></tt></tag>
|
||||
|
||||
Repeat all commands between <tt/.REPEAT/ and <tt/.ENDREPEAT/ a constant
|
||||
number of times. The command is followed by a constant expression that tells
|
||||
how many times the commands in the body should get repeated. Optionally, a
|
||||
comma and an identifier may be specified. If this identifier is found in
|
||||
the body of the repeat statement, it is replaced by the current repeat
|
||||
count (starting with zero for the first time the body is repeated).
|
||||
|
||||
<tt/.REPEAT/ statements may be nested. If you use the same repeat count
|
||||
identifier for a nested <tt/.REPEAT/ statement, the one from the inner
|
||||
level will be used, not the one from the outer level.
|
||||
|
||||
Example:
|
||||
|
||||
The following macro will emit a string that is "encrypted" in that all
|
||||
characters of the string are XORed by the value $55.
|
||||
|
||||
<tscreen><verb>
|
||||
.macro Crypt Arg
|
||||
.repeat strlen(Arg), I
|
||||
.byte strat(Arg, I) .xor $55
|
||||
.endrep
|
||||
.endmacro
|
||||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt><idx>.RELOC</idx></tt></tag>
|
||||
|
||||
Switch back to relocatable mode. See the <tt/.ORG/ command.
|
||||
|
||||
|
||||
<tag><tt>.RES</tt></tag>
|
||||
<tag><tt><idx>.RES</idx></tt></tag>
|
||||
|
||||
Reserve storage. The command is followed by one or two constant
|
||||
expressions. The first one is mandatory and defines, how many bytes of
|
||||
|
|
@ -1691,7 +1723,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.RIGHT</tt></tag>
|
||||
<tag><tt><idx>.RIGHT</idx></tt></tag>
|
||||
|
||||
Builtin function. Extracts the right part of a given token list.
|
||||
|
||||
|
|
@ -1707,7 +1739,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also the <tt/.LEFT/ and <tt/.MID/ builtin functions.
|
||||
|
||||
|
||||
<tag><tt>.RODATA</tt></tag>
|
||||
<tag><tt><idx>.RODATA</idx></tt></tag>
|
||||
|
||||
Switch to the RODATA segment. The name of the RODATA segment is always
|
||||
"RODATA", so this is a shortcut for
|
||||
|
|
@ -1720,7 +1752,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
readonly data like string constants. See also the <tt/.SEGMENT/ command.
|
||||
|
||||
|
||||
<tag><tt>.SEGMENT</tt></tag>
|
||||
<tag><tt><idx>.SEGMENT</idx></tt></tag>
|
||||
|
||||
Switch to another segment. Code and data is always emitted into a
|
||||
segment, that is, a named section of data. The default segment is
|
||||
|
|
@ -1758,7 +1790,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.SMART</tt></tag>
|
||||
<tag><tt><idx>.SMART</idx></tt></tag>
|
||||
|
||||
Switch on or off smart mode. The command must be followed by a '+' or
|
||||
'-' character to switch the option on or off respectively. The default
|
||||
|
|
@ -1781,7 +1813,25 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.STRING</tt></tag>
|
||||
<tag><tt><idx>.STRAT</idx></tt></tag>
|
||||
|
||||
Builtin function. The function accepts a string and an index as
|
||||
arguments and returns the value of the character at the given position
|
||||
as an integer value. The index is zero based.
|
||||
|
||||
Example:
|
||||
|
||||
<tscreen><verb>
|
||||
.macro M Arg
|
||||
; Check if the argument string starts with '#'
|
||||
.if (.strat (Arg, 0) = '#')
|
||||
...
|
||||
.endif
|
||||
.endmacro
|
||||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt><idx>.STRING</idx></tt></tag>
|
||||
|
||||
Builtin function. The function accepts an argument in braces and
|
||||
converts this argument into a string constant. The argument may be an
|
||||
|
|
@ -1800,7 +1850,24 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.TCOUNT</tt></tag>
|
||||
<tag><tt><idx>.STRLEN</idx></tt></tag>
|
||||
|
||||
Builtin function. The function accepts a string argument in braces and
|
||||
eveluates to the length of the string.
|
||||
|
||||
Example:
|
||||
|
||||
The following macro encodes a string as a pascal style string with
|
||||
a leading length byte.
|
||||
|
||||
<tscreen><verb>
|
||||
.macro PString Arg
|
||||
.byte .strlen(Arg), Arg
|
||||
.endmacro
|
||||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt><idx>.TCOUNT</idx></tt></tag>
|
||||
|
||||
Builtin function. The function accepts a token list in braces. The
|
||||
function result is the number of tokens given as argument.
|
||||
|
|
@ -1824,13 +1891,13 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.WARNING</tt></tag>
|
||||
<tag><tt><idx>.WARNING</idx></tt></tag>
|
||||
|
||||
Force an assembly warning. The assembler will output a warning message
|
||||
preceeded by "User warning". This warning will always be output, even
|
||||
if other warnings are disabled with the <tt/-W0/ command line option.
|
||||
|
||||
This command may be used to output possible problems when assembling
|
||||
This command may be used to output possible problems when assembling
|
||||
the source file.
|
||||
|
||||
Example:
|
||||
|
|
@ -1852,7 +1919,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
See also the <tt/.ERROR/ and <tt/.OUT/ directives.
|
||||
|
||||
|
||||
<tag><tt>.WORD</tt></tag>
|
||||
<tag><tt><idx>.WORD</idx></tt></tag>
|
||||
|
||||
Define word sized data. Must be followed by a sequence of (word ranged,
|
||||
but not necessarily constant) expressions.
|
||||
|
|
@ -1864,7 +1931,7 @@ Here's a list of all control commands and a description, what they do:
|
|||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>.ZEROPAGE</tt></tag>
|
||||
<tag><tt><idx>.ZEROPAGE</idx></tt></tag>
|
||||
|
||||
Switch to the ZEROPAGE segment and mark it as direct (zeropage) segment.
|
||||
The name of the ZEROPAGE segment is always "ZEROPAGE", so this is a
|
||||
|
|
@ -2192,25 +2259,25 @@ with just one command. Available macro packages are:
|
|||
|
||||
<descrip>
|
||||
|
||||
<tag><tt>generic</tt></tag>
|
||||
<tag><tt><idx>generic</idx></tt></tag>
|
||||
|
||||
This macro package defines macros that are useful in almost any program.
|
||||
Currently, two macros are defined:
|
||||
|
||||
<tscreen><verb>
|
||||
.macro add Arg
|
||||
clc
|
||||
adc Arg
|
||||
clc
|
||||
adc Arg
|
||||
.endmacro
|
||||
|
||||
.macro sub Arg
|
||||
sec
|
||||
sbc Arg
|
||||
sec
|
||||
sbc Arg
|
||||
.endmacro
|
||||
</verb></tscreen>
|
||||
|
||||
|
||||
<tag><tt>longbranch</tt></tag>
|
||||
<tag><tt><idx>longbranch</idx></tt></tag>
|
||||
|
||||
This macro package defines long conditional jumps. They are named like the
|
||||
short counterpart but with the 'b' replaced by a 'j'. Here is a sample
|
||||
|
|
@ -2248,7 +2315,7 @@ with just one command. Available macro packages are:
|
|||
If you have problems using the assembler, if you find any bugs, or if
|
||||
you're doing something interesting with the assembler, I would be glad to
|
||||
hear from you. Feel free to contact me by email
|
||||
(<htmlurl url="uz@musoftware.de" name="uz@musoftware.de">).
|
||||
(<htmlurl url="uz@cc65.org" name="uz@cc65.org">).
|
||||
|
||||
|
||||
|
||||
|
|
@ -2279,6 +2346,7 @@ freely, subject to the following restrictions:
|
|||
</enum>
|
||||
|
||||
|
||||
|
||||
</article>
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user