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Int 21 Fn FFE3 - Topware Network OS V5.10+ - Initiate Access To Specific [N]
AX = FFE3h
DL = 00h
BX = packet type for Ethernet header (IP = 0800h, ARP = 0806h, etc.)
ES:DI -> receive routine (see below)
Return: CF clear if successful
AX = handle number
CF set on error
DH = error code (03h,05h,09h,0Ah,11h) (see below)
See Also: AX=FFE3h/DL=01h
Values for error code:
01h invalid handle
03h no interfaces of the specified type found
05h bad packet type
09h insufficient space
0Ah type already being accessed
0Ch unable to send packet (usually hardware error)
11h invalid function
Receive routine is called with:
AX = function
0000h request packet buffer
CX = packet size
Return: ES:DI -> buffer or 0000h:0000h to discard packet
0001h packet copied
CX = packet size
DS:SI -> copied packet (same as returned ES:DI above)
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