anchor.diff:  \ Setup a prefetchable 64bit BAR and return its size
   : assign-mem64-bar ( bar-addr -- 8 )
           dup pci-bar-size-mem64         \ fetch size
  +        10000 #aligned                  \ align size to minimum 64K (page size)
           pci-next-mem64 @ 0 = IF          \ Check if we have 64-bit memory range
   	    pci-next-mem
   	ELSE
  
positive.code: \ Setup a non-prefetchable 64bit BAR and return its size
  : assign-mmio64-bar ( bar-addr -- 8 )
          dup pci-bar-size-mem64          \ fetch size
          pci-next-mem64 @ 0 = IF          \ Check if we have 64-bit memory range
  	    pci-next-mmio
  	ELSE
  
negative.code: \ Setup a non-prefetchable 32bit BAR and return its size
  : assign-mmio32-bar ( bar-addr -- 4 )
          dup pci-bar-size-mem32          \ fetch size
          10000 #aligned                  \ align size to minimum 64K (page size)
          pci-next-mmio                   \ var to change
          assign-bar-value32              \ and set it all
  ;
  