Int E0/CL=B1h

DR Multiuser DOS - A_CONTROL - GET/SET AUX CONTROL PARAMETERS

CL = B1h
DS:DX -> AUX device control block (see #04056)

Return:
AX = status
0000h successful
control block updated
FFFFh failed
CX = error code

Note: Also supported by REAL/32

See Also: INT E0/CL=B0h - INT E0/CL=B2h


Format of DR Multiuser DOS AUX device control block:

Offset  Size    Description     (Table 04056)
00h    BYTE    function (00h get, 01h set)
01h    BYTE    DTR state (00h low, 01h high, FFh unknown/don't change)
02h    BYTE    RTS state (00h low, 01h high, FFh unknown/don't change)
03h    BYTE    DSR state (00h low, 01h high, FFh unknown/don't change)
04h    BYTE    CTS state (00h low, 01h high, FFh unknown/don't change)
05h    BYTE    DCD state (00h low, 01h high, FFh unknown/don't change)
06h    BYTE    RI state (00h inactive, 01h active, FFh unknown/don't change)

Category: Other Operating Systems - Int E0h - D

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