INT 67,50 - Map/Unmap Multiple Handle Pages (LIM EMS 4.0+)

AH = 50h

AL = 00 Map/unmap pages

= 01 map/unmap segments

DX = EMM handle

CX = number of entries in array

DS:SI = pointer to mapping array

on return:

AH = 00 success

= error code (see ~EMS STATUS~)