Int E0/CL=B1h

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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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