If the requested number of pages is zero, the handle is still active, and pages can be reallocated to the handle at a later time; also, the handle must still be released with Int 67H Function 45H before the application terminates.Modifies the number of expanded memory pages allocated to an EMM handle.
Call with:
AH = 51H
BX = new number of pages
DX = EMM handle
Returns:
If function successful
AH = 00H
BX = logical pages owned by EMM handle
If function unsuccessful
AH = error code
Note:
If the requested number of pages is zero, the handle is still active, and pages can be reallocated to the handle at a later time; also, the handle must still be released with Int 67H Function 45H before the application terminates.