/************************************************************************/
/* Using BIOS data area value at 0:0487H determine                      */
/* primary adapter and print the result.                                */
/************************************************************************/

print_data_primary()
        {
        char    type;
        char    far     *p = 0;                 /* Declare far pointer  */
        type = p[0x487];                        /* Fetch Equipment byte */
        if (!(type & 0x08))                     /* If EGA primary       */
                printf("\nEGA/VGA is primary");
        else if (type & 0x02)                   /* If mono with EGA     */
                printf("\nCGA is primary");
        else                                    /* If color with EGA    */
                printf("\nMDA/Hercules is primary");
        }