INT 60 - HP 95LX System Manager - CHECK FOR EVENT

	DI = 0101h
	STACK:	2 WORDs unused dummies (for calls from high level languages)
		DWORD pointer to event record (INT 60/DI=0100h)
Return: event record filled
	STACK unchanged
Note:	this call returns immediately if no event is available
SeeAlso: INT 60/DI=0100h