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AH = 02h subfn 1200h DS:DX -> control block (see #03697)
Return:
Control block updated
See Also: AH=02h/SF=1300h
Format of APPC/PC "Test" control block: Offset Size Description (Table 03697) 00h 12 BYTEs reserved 0Ch WORD 1200h (verb "Test" or "MC_Test") 0Eh BYTE 1 if MC_ (mapped conversation) form of verb 0 if basic verb 0Fh 5 BYTEs reserved (0) 14h WORD (big-endian) primary return code (see #03681) 16h DWORD (big-endian) error code (see #03682) 1Ah 8 BYTEs (big-endian) TP_ID 22h DWORD (big-endian) conversation ID 26h BYTE (MC_Test only) test (0=posted, 1=request_to_send received)
Note: Error code has different interpretations for:. 0 posted data. 1 posted not data (primary return code = 0). 1 bad TP_ID (primary return code = 1)
Category: Network - Int 68h - A
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