INT 14 - COMM-DRV v14.0 - READ PACKET NONDESTRUCTIVELY                          
	AH = 8Eh
	CX = length of packet in bytes
	DX = port number
	ES:DI -> buffer for packet
Return: AH = line status (see #00304)
	    bit 7 set on error (see AX=8000h"COMM-DRV")
	AL destroyed
Program: COMM-DRV is a universal serial communications driver by Willies'
	  Computer Software Company, which supports standard INT 14 and
	  FOSSIL(Fido/Opus/Seadog Standard Interface Layer)  A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use. calls as well as its own interfaces
Desc:	retrieve a packet from the input buffer without removing it from the
	  buffer
Note:	this call requires that at least the requested number of bytes are
	  already present in the input buffer, and will fail if there are
	  fewer bytes available
SeeAlso: AX=8000h"COMM-DRV",AH=84h"COMM-DRV",AH=85h"COMM-DRV",AH=86h"COMM-DRV"