before calling initlib because initlib calls contructors and may install
drivers, which enable hardware interrupts. Similar for donelib.
See also R3897 and R3951 where this change was done for other platforms.
git-svn-id: svn://svn.cc65.org/cc65/trunk@3954 b7a2c559-68d2-44c3-8de9-860c34a00d81
in the system bank. For one this performs better (several %), second it
allows to handle the function keys in conformance with other platforms.
Without the custom keyboard routine, we would have to apply some more
magic to the function keys to make them work as with other cc65 targets.
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Use wrappers to call the kernal in bank 15 instead of implementing kernal
functionality within the cc65 libs (eats performance but is much smaller and
simpler).
Improved startup/shutdown code allows a return to the system bank without
calling the BASIC cold start vector.
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to emulate these functions on platforms where one or more of these functions
are not available (PET, CBM-II).
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separate module that contains a module constructor. In some cases, the
code was even unnecessary, since the screen size is known in advance.
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