INT 2D - AMISAlternate Multiplex Interrupt Specification v3.0+ - DETERMINE CHAINED INTERRUPTS
	AL = 04h
	AH = multiplex number for program
	BL = interrupt number (except 2Dh)
Return: AL = status
	    00h not implemented (makes 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. non-compliant with specification)
	    01h (obsolete) unable to determine
	    02h (obsolete) interrupt hooked
	    03h (obsolete) interrupt hooked, address returned
		DX:BX -> 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.'s interrupt BL handler
	    04h list of hooked interrupts returned
		DX:BX -> interrupt hook list (see #02571)
	    FFh interrupt not hooked
Notes:	BL is ignored if the 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. returns AL=04h; in that case, the caller
	  needs to scan the return list rather than making additional calls
	  to this function.  If the return is not 00h or 04h, then the caller
	  must cycle through the remaining interrupt numbers it wishes to
	  check.
	return values 01h through 03h may not be used by AMISAlternate Multiplex Interrupt Specification v3.6-compliant
	  programs; they are included here solely for compatibility with
	  version 3.3, though they were probably never used in any
	  implementation
	for return values 01h through 03h, since INT 2D is known to be hooked,
	  the resident code need not test for BL=2Dh (to minimize its size),
	  and the return value is therefore undefined in that case.
	this function is not valid unless a program is installed on the
	  specified multiplex number; use INT 2D/AL=00h to check
SeeAlso: INT 2D/AL=00h,INT 2D/AL=01h,INT 2D/AL=02h,INT 2D/AL=03h,INT 2D/AL=05h
SeeAlso: INT 2D/AL=06h


Format of AMISAlternate Multiplex Interrupt Specification interrupt hook list [array]:
Offset	Size	Description	(Table 02571)
 00h	BYTE	interrupt number (last entry in array is 2Dh)
 01h	WORD	offset within hook list's segment of the interrupt handler
		this will point at the initial short jump of the interrupt
		  sharing protocol header (see #02568)
SeeAlso: #02572