Int 67 Fn 4D - Lim Ems - Get Pages For All Handles [m]
AH = 4Dh
ES:DI -> array to receive information
Return: AH = status (00h,80h,81h,84h) (see #3319)
---if AH=00h---
BX = number of active EMM handles
array filled with 2-word entries, consisting of a handle and the
number of pages allocated to that handle
See Also: AH=4Ch