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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     The length of a delay is a machine-dependent value determined by
     the CPU type and clock speed. Each delay consists of the following
     instruction sequence:
 
       xor cx,cx
       loop $
 
     which executes 65,536 times before falling out of the loop.
 
     The sharing retry count affects the behavior of the system as a
     whole and is not a local parameter for the process. If a program
     changes the sharing retry count, it should restore the default
     values before terminating.
                                    -♦-