Messages in this thread | | | Date | Thu, 06 Mar 2008 17:29:44 +0100 | From | Paolo Bonzini <> | Subject | Re: RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag |
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> 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
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