lkml.org 
[lkml]   [2008]   [Mar]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag

> Another story, the sad story of the intel chip (I think it was
> the 80188) where Intel made use of Int 5, which was documented
> as reserved. Unfortunately, Microsoft/IBM had used this for
> print screen or some such. Intel was absolutely right that
> their documentation was clear and it was wrong to have used
> these interrupts .. but the result was a warehouse of unused
> chips.

Not really. Just, no one used the BOUND instruction. All computers
running DOS (Intel, AMD, even the old NEC V20/V30 chips) still connect
INT 5 to Print Screen.

Paolo


\
 
 \ /
  Last update: 2008-03-06 17:33    [W:0.179 / U:0.708 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site