CALL xxxxh:xxxxh - CEMM v5.10+ Private API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running.  Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes.
InstallCheck:	see INT 21/AX=4402h/SF=00h
SeeAlso: INT 21/AX=4402h/SF=00h