Hi!
9-Авг-2006 12:11 [EMAIL PROTECTED] (Michael Devore) wrote to
freedos-devel@lists.sourceforge.net:
>>The current implementation seems very simple, for example, the XMS functions
>>to enable disable A20 usually increase/decrease a counter
MD> It is simple, deliberately so since its whole purpose in life is to avoid
MD> EXEPACK and PKLITE issues.
But if it implemented, it should be implemented right. :) Especially,
this is easy implementation.
MD> Simpler yet is to not support the functions, as
MD> was the original behavior. However, that does raise a question, EMM386
MD> perhaps should only support the A20 enable/disable function which is used
MD> by the kernel and lock the other pair again.
I think, this is interesting, but wrong idea - especially, EMM386
should be run not only in FreeDOS.
MD> Doing so would reduce the
MD> potential conflict range.
MD> Any passing kernel people know which of the A20 control calls are
MD> used? Is it all global function 3 and 4? Local 5 and 6? Or must both
MD> type of calls be supported.
As already quoted by tom, it local functions.
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