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Added docs for .PUSHSEG/.POPSEG

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git-svn-id: svn://svn.cc65.org/cc65/trunk@1674 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -1874,6 +1874,20 @@ Here's a list of all control commands and a description, what they do:
name=".P816"></tt>
<sect1><tt>.POPSEG</tt><label id=".POPSEG"><p>
Pop the last pushed segment from the stack, and set it.
This command will switch back to the segment that was last pushed onto the
segment stack using the <tt><ref id=".PUSHSEG" name=".PUSHSEG"></tt>
command, and remove this entry from the stack.
The assembler will print an error message if the segment stack is empty
when this command is issued.
See: <tt><ref id=".PUSHSEG" name=".PUSHSEG"></tt>
<sect1><tt>.PROC</tt><label id=".PROC"><p>
Start a nested lexical level. All new symbols from now on are in the local
@ -1909,6 +1923,22 @@ Here's a list of all control commands and a description, what they do:
See: <tt><ref id=".ENDPROC" name=".ENDPROC"></tt>
<sect1><tt>.PUSHSEG</tt><label id=".PUSHSEG"><p>
Push the currently active segment onto a stack. The entries on the stack
include the name of the segment and the segment type. The stack has a size
of 16 entries.
<tt/.PUSHSEG/ allows together with <tt><ref id=".POPSEG" name=".POPSEG"></tt>
to switch to another segment and to restore the old segment later, without
even knowing the name and type of the current segment.
The assembler will print an error message if the segment stack is already
full, when this command is issued.
See: <tt><ref id=".POPSEG" name=".POPSEG"></tt>
<sect1><tt>.REF, .REFERENCED</tt><label id=".REFERENCED"><p>
Builtin function. The function expects an identifier as argument in braces.