Int 67H [EMS 3.2] Function 4EH (78) Subfunction 00H Save page map

Saves the current page-mapping state of the expanded memory hardware in the specified buffer.

Call with:

AH = 4EH

AL = 00H

ES:DI = segment:offset of buffer (see Notes)

Returns:

If function successful

AH = 00H

and buffer filled in with mapping information (see Notes)

If function unsuccessful

AH = error code

Notes:

The buffer receives the information necessary to restore the state of the mapping registers using Int 67H Function 4EH Subfunction 01H. The format of the information may vary.

The size of the buffer required by this function can be determined with Int 67H Function 4EH Subfunction 03H.

Unlike Int 67H Function 47H, this function does not require a handle.