From: "Peter Stewart" <peters AT goldenriver DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: bit masking
Date: Sat, 4 Mar 2000 13:01:17 -0000
Organization: RemarQ http://www.remarQ.com
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To: djgpp AT delorie DOT com
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int err;
.
.
.


data=_bios_serialcom(_COM_RECEIVE,0,0); /*read from com1*/

if(err=(data&0x1300))
{
    switch(err)
    {
        case 0x0100: /* bit 9 */ break;
        case 0x0200: /* bit 10 */ break;
        case 0x0300: /* bit 11 */ break;
        case 0x1000: /* bit 15 */ break;
        default: /* eek some other top bit */ break;
    }
}
else
{
    /* data OK */
}


Regards,


Peter