Int 68/AH=FEh

APPC/PC - SET TRACE DESTINATION

AH = FEh
AL = trace destinations (see #03708)
DS:DX -> trace stats record if AL bit 0 set (see #03709)

See Also: AH=FCh - AH=FDh


Bitfields for trace destinations:

Bit(s)  Description     (Table 03708)
0      storage (DS:DX -> trace stats record)
1      display
2      file (trace written to file OUTPUT.PC)
3      printer

Format of APPC/PC Trace Statistics Record:

Offset  Size    Description     (Table 03709)
00h    DWORD   pointer to storage trace buffer
04h    WORD    max number of 80-byte records in trace
06h    WORD    (high-order byte first!) current record number (must init to 0)
08h    DWORD   (high-order byte first!) number of records written (init to 0)
0Ch    DWORD   reserved

Note: Do not move record while trace is active

Category: Network - Int 68h - A

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