INT 7F - Alloy NTNX, MW386 - SEND MESSAGE OR COMMAND TO USER(S)
	AH = 21h
	AL = sender's user ID
	DS:DX -> control packet (see #03962)
Note:	messages or commands are ignored if disabled by the destination user
SeeAlso: AH=22h


Format of Alloy control packet:
Offset	Size	Description	(Table 03962)
 00h	BYTE	packet type
		00h message
		01h NTNX command
		02h MW386 command
 01h	BYTE	destination user ID or 'A' for all users
 02h 62 BYTEs	ASCIZA NUL-terminated ASCII string.	The ASCIZ string "ABC" consists of the four bytes 41h, 42h, 43h, and 00h.  Unless otherwise specified, maximum lengths given in the interrupt list do not include the terminating NUL. message (packet type 00h)
		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. keycodes terminated by NUL byte (type 01h) or word (02h)
Note:	a maximum of 16 keycodes will be processed for NTNX and MW386 commands