qa.hlp (Table of Contents; Topic list)
Int 21H Function 44H Subfunction 0BH
   Summary  Notes  Back
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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.
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