INT 16 U - PCIBM PC Tools v7+ CPSCHED - ENABLE/DISABLE CPSCHED 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.
	AX = FEC6h
	BL = new state (00h enabled, nonzero disabled)
Return: nothing
Desc:	specify whether CPSCHED 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. calls other than this one and AX=FE55h will
	  be honored