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Added the new .ASSERT command

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git-svn-id: svn://svn.cc65.org/cc65/trunk@2204 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2003-06-06 21:09:20 +00:00
parent 0d27afb21f
commit 3853a88127
1 changed files with 23 additions and 1 deletions
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22
doc/ca65.sgml
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@ -689,6 +689,28 @@ Here's a list of all control commands and a description, what they do:
the binary zero is only appended once (after the last one).
<sect1><tt>.ASSERT</tt><label id=".ASSERT"><p>
Add an assertion. The command is followed by an expression, an action
specifier and a message that is output in case the assertion fails. The
action specifier may be one of <tt/warning/ or <tt/error/. The assertion
is passed to the linker and will be evaluated when segment placement has
been done.
Example:
<tscreen><verb>
.assert * = $8000, error, "Code not at $8000"
</verb></tscreen>
The example assertion will check that the current location is at $8000,
when the output file is written, and abort with an error if this is not
the case. More complex expressions are possible. The action specifier
<tt/warning/ outputs a warning, while the <tt/error/ specifier outputs
an error message. In the latter case, generation if the output file is
suppressed.
<sect1><tt>.AUTOIMPORT</tt><label id=".AUTOIMPORT"><p>
Is followed by a plus or a minus character. When switched on (using a