BLINKER CACHE EMS
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  Purpose : Specify amount of EMS to be used for overlay caching

  Syntax  : BLINKER CACHE EMS <niMax[%]>, <niMinLeave[%]>

  Default : 0,100%

  Example :  # use a maximum of 50% of available EMS,
             # but leave at least 1024KB available

               BLINKER CACHE EMS 50%, 1024

  This command specifies the amount of EMS (4.0 and higher) memory to be
  used for the overlay cache.

  Two numeric parameters are used to specify the amount of EMS memory to
  be allocated and the amount to be left for program use. Both parameters
  may be specified as either a number of kb, or as a percentage of the
  total available EMS.

  EMS memory to be used for the cache will be allocated by the overlay
  manager prior to any user code being executed. Blinker will never
  allocate a cache that is larger than the total size of all the
  overlays contained within the program, which can be determined by
  examining the MAP file - the total figure can be found following the
  list of overlaid sections in the map file.