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X-Hacker.org- Zortech C++ Language Reference - disp_peekw http://www.X-Hacker.org [<<Previous Entry] [^^Up^^] [Next Entry>>] [Menu] [About The Guide]
   disp_peekw

   Usage
   #include <disp.h>
   unsigned disp_peekw(int row,int col);

   Description
   Reads   a combined attribute/character from video display at  position
   row, col. The components can be separated out as follows:

   character = charatt & 0xff;
   and
   attribute = charatt >> 8;

   Example
   #include <disp.h>

   main()
   {
   unsigned chatt;

        disp_open();
        disp_move(0,0);
        disp_eeop();
        disp_move(4,4);
        disp_puts("hello world");
        chatt = disp_peekw(4,4);
        disp_printf("Char at 4,4 is %c with attr %2x"
        ,chatt&0xff,chatt>>8);
        disp_close();
   }

   Return Value
   The  combined  character  and attribute as an  unsigned  integer.  The
   attribute  is returned in the high byte, and the character in the  low
   byte.


See Also: Display_package disp_pokew disp_peekbox disp_pokebox

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