io_cls.c

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/* console CLS statement */

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

void fb_ConsoleClear( int mode )
{
    int toprow, botrow;

    if( mode==1 )
        return;

        if( (mode == 2) || (mode == 0xFFFF0000) ) {     /* same as gfxlib's DEFAULT_COLOR */
        fb_ConsoleGetView( &toprow, &botrow );
        --toprow;
        --botrow;
    } else {
        toprow = 0;
        botrow = ScreenRows() - 1;
        }

    fb_ConsoleScroll_BIOS( 0, toprow, ScreenCols()-1, botrow, 0 );
        fb_ConsoleLocate_BIOS( toprow, 0, -1 );
}