io_width.c

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/* console width() function */

#include "../fb.h"
#include "fb_private_console.h"
#include <conio.h>
#include <pc.h>

int fb_ConsoleWidth( int cols, int rows )
{
        int cur = ScreenCols() | (ScreenRows() << 16);

        if( (cols > 0) || (rows > 0) )
        {
                if( rows <= 0 )
                        rows = ScreenRows();

                if( cols <= 0 )
                        cols = ScreenCols();

                if (cols == 40)
                        textmode(C40);
                else
                        textmode(C80);

                _set_screen_lines(rows);

                /* turn off blink */
                intensevideo();
        }

        return cur;
}