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

 Syntax   : BLINKER CACHE XMS <nuMax[%]>, <nuMinLeave[%]>

 Default  : 100,0% (100 Kb maximum cache size)

 Example  : # Use a maximum of 50% of available XMS,
            # but leave at least 1024 Kb available
            BLINKER CACHE XMS 50%, 1024

 or         
            # Use a maximum of 512 Kb XMS,
            # but leave at least 25% of the total free
            BLINKER CACHE XMS 512, 25%

 This command specifies the amount of XMS (version 2.0 and higher) memory to
 be used for the overlay cache.

 Two numeric parameters are used to specify the amount of XMS 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 XMS. The second parameter always overrides the first; e.g. if the
 first parameter calls for 256K and the second requires 50% of XMS to be left
 free, then half of XMS will be left free and the cache will fit itself into
 the remaining memory.

 Blinker will never allocate a cache that is larger than the total size of
 all the overlays contained within the program. Please see Appendix A 'MAP
 file output' for information on determining the optimum cache size.