INT 7F - Alloy NTNX, MW386 - SET CHANNEL BUFFER POINTER                         
	AH = 14h
	CL = 02h
	AL = channel number
	DX:DI -> receive buffer
Return: AL = status (00h-03h) (see #03954)
Note:	may be called from within a receive ISR or when a datagram is pending
SeeAlso: AH=10h/CL=00h,AH=14h/CL=00h