Int 14/AH=8Eh

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 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

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