## Display Device Driver Reference for OS/2

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### Function 100h - Index

Index

Defined as follows:

         0 = Read Cell Types from (Row,Col) as word of flags:

             Bit 0 indicates whether the cell is part of a single or

                   double cell character.

                   OFF = The cell represents a single cell character.

                   ON  = The cell represents part of a double cell

                           character.  Bit 1 is examined for more

                           information.

             Bit 1 indicates whether the cell is a trailing cell of

                   a double cell character.

                   OFF = The cell represents the leading or only cell of a

                           character.

                   ON  = The cell represents the trailing cell of a double

                           cell character.

             Bits 2 thru 15 are reserved and must be OFF.

         1 = Read Characters from (Row,Col)

         2 = Read Cells from (Row,Col)

         3 = Scroll (Row,Col) through (Row2,Col2) Up

         4 = Scroll (Row,Col) through (Row2,Col2) Down

         5 = Scroll (Row,Col) through (Row2,Col2) Left

         6 = Scroll (Row,Col) through (Row2,Col2) Right

         7 = Write Cells to (Row,Col)

         8 = Write Characters to (Row,Col)

         9 = Write Characters with Constant Attr to (Row,Col)

        10 = Write Repeated Character to (Row,Col)

        11 = Write Repeated Attribute to (Row,Col)

        12 = Write Repeated Cell to (Row,Col)

        13 = Copy LVB Rect to PVB