)
Values for EMS function status:
 00h	successful
 80h	internal error
 81h	hardware failure
 83h	invalid handle
 84h	undefined function requested
 8Ah	invalid logical page number encountered
 8Fh	undefined subfunction
 92h	successful, but a portion of the source region has been overwritten
 93h	length of source or destination region exceeds length of region
	  allocated to either source or destination handle
 94h	conventional and expanded memory regions overlap
 95h	offset within logical page exceeds size of logical page
 96h	region length exceeds 1M
 97h	source and destination EMS regions have same handle and overlap
 98h	memory source or destination type undefined
 A2h	attempted to wrap around 1M conventional address space