INT 16 - CtrlAlt Associates STACKEY.COM v3.00 - 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.
	AH = CAh
	BX = 736Bh ("sk")
	CX = 736Bh
	AL = function
	    00h installation check
		Return: DX = words available in keyboard buffer
	    01h place keystroke in buffer
		DX = keystroke (DH = scan code, DL = ASCII character)
		Return: DX = words available in keyboard buffer
			    FFFFh on error
	    02h flush STACKEY and BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware.  The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. keyboard buffers
Return: AX = CAFFh if installed
	    BX = segment of resident code
	    CX = STACKEY version (CH = major, CL = minor)
Program: STACKEY is a shareware keyboard-input faking TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user.  The name comes from the name of the DOS function call used to remain in memory after termination.
Index:	installation check;STACKEY