RBIL61 - INT 16 - K3PLUS v6.00+ (API v2.0+) - CHECK IF FUNCTION SUPPORTED

INT 16 - K3PLUS v6.00+ (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. v2.0+) - CHECK IF FUNCTION SUPPORTED
	AX = AF50h
	BX = 4B33h ('K3')
	CH = function
	    00h get function flags
		CL = 00h
		Return: CX = supported function flags (see #00613)
	    nonzero reserved for extensions
SeeAlso: AX=AF20h,AX=AF4Dh,AX=AF51h,AX=AF80h


Bitfields for K3PLUS supported function list:
Bit(s)	Description	(Table 00613)
 0	function 4Dh supported
 1	function 50h supported
 2-3	reserved (0)
 4	function 20h supported
 5	function 25h supported
 6	function 51h supported
 7	reserved (0)
 8	function 80h supported
 9	function 81h supported
 10	function 82h supported
 11-15	reserved (0)