5 memmap *xstack= NULL ; /* xternal stack data */
6 memmap *xdata = NULL; /* external data */
7 memmap *idata = NULL; /* internal data upto 256 */
8 memmap *bit = NULL; /* bit addressable space */
9 memmap *sfr = NULL; /* register space */
10 memmap *sfrbit= NULL; /* sfr bit space */
11 memmap *overlay=NULL; /* overlay segment */