Date: Sat, 4 Mar 2000 07:34:08 +0500 (MVT)
From: Prashant TR <prashant_tr AT yahoo DOT com>
X-Sender: prashant_tr AT midpec DOT com
To: Peter Stewart <peters AT goldenriver DOT com>
cc: djgpp AT delorie DOT com
Subject: Re: bit masking
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On Sat, 4 Mar 2000, Peter Stewart wrote:

> 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 */
> }

What exactly do you want?