Int 21 Fn 6F02  U - Dos 5+ Rom - Get Exclusion Region List                 [D]

   AX = 6F02h
   ES:BX -> buffer for exclusion region list (see #1462)

Return: CF clear
   AL = 00h
   ES:BX = 0000h:0000h on error, unchanged if buffer filled

Note:  for DOS versions which do not support this function, the return value
     is AL=00h, CF unchanged, ES:BX unchanged, and the ES:BX buffer
     unchanged

See Also: AX=6F00h,AX=6F03h

Format of ROM exclusion region list:
Offset Size    Description (Table 1462)
 00h   WORD    number of entries
 02h 2N WORDs  start/end segments of N excluded regions