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    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


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