/************************************************************************/
/* Use C library function to select text mode                           */
/************************************************************************/

set_mode_x()
        {
        #define MONO    5
        #define VMONO   7
        union   REGS regs;
        regs.h.ah = 0;                  /* Function = MODE SELECT       */
        if (get_display_type() == MONO  /* Get display type             */
          ||get_display_type() == VMONO)
                regs.h.al = 7;          /* With mono display use mode 7 */
        else
                regs.h.al = 3;          /* With color display use mode 3*/
        int86(0x10,&regs, &regs);       /* Call INT 10H                 */
        }