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Implemented new .PUSHCPU and .POPCPU commands.

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git-svn-id: svn://svn.cc65.org/cc65/trunk@4644 b7a2c559-68d2-44c3-8de9-860c34a00d81
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uz
2010-04-18 18:47:16 +00:00
parent 922cbf08eb
commit bfd8f4e108
6 changed files with 94 additions and 20 deletions
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31
doc/ca65.sgml
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@@ -3125,6 +3125,21 @@ Here's a list of all control commands and a description, what they do:
name=".PSC02"></tt> and <tt><ref id=".P816" name=".P816"></tt>
<sect1><tt>.POPCPU</tt><label id=".POPCPU"><p>
Pop the last CPU setting from the stack, and activate it.
This command will switch back to the CPU that was last pushed onto the CPU
stack using the <tt><ref id=".PUSHCPU" name=".PUSHCPU"></tt> command, and
remove this entry from the stack.
The assembler will print an error message if the CPU stack is empty when
this command is issued.
See: <tt><ref id=".CPU" name=".CPU"></tt>, <tt><ref id=".PUSHCPU"
name=".PUSHCPU"></tt>, <tt><ref id=".SETCPU" name=".SETCPU"></tt>
<sect1><tt>.POPSEG</tt><label id=".POPSEG"><p>
Pop the last pushed segment from the stack, and set it.
@@ -3183,6 +3198,22 @@ Here's a list of all control commands and a description, what they do:
name=".PC02"></tt> and <tt><ref id=".P816" name=".P816"></tt>
<sect1><tt>.PUSHCPU</tt><label id=".PUSHCPU"><p>
Push the currently active CPU onto a stack. The stack has a size of 8
entries.
<tt/.PUSHCPU/ allows together with <tt><ref id=".POPCPU"
name=".POPCPU"></tt> to switch to another CPU and to restore the old CPU
later, without knowledge of the current CPU setting.
The assembler will print an error message if the CPU stack is already full,
when this command is issued.
See: <tt><ref id=".CPU" name=".CPU"></tt>, <tt><ref id=".POPCPU"
name=".POPCPU"></tt>, <tt><ref id=".SETCPU" name=".SETCPU"></tt>
<sect1><tt>.PUSHSEG</tt><label id=".PUSHSEG"><p>
Push the currently active segment onto a stack. The entries on the stack