## Display Device Driver Reference for OS/2

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### Function 10Dh - Flags

Flags

Defined as follows:

    Bit 0 indicates whether the physical hardware

          is updated.

          OFF = Update only the environment buffer.

          ON  = Update the environment buffer and the

                hardware state.

    Bit 1 indicates whether the mode is changed

          or only validated.

          OFF = Perform normal mode setting.

          ON  = Perform only mode validation.

    Bits 2-15 are reserved and must be OFF.