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Convert notes into blockquotes

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James Gregory 2013-12-31 11:06:31 +11:00
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@ -146,9 +146,10 @@ mentioned in this chapter apply to **XLAT**, apparently because **XLAT**
is so slow—4 cycles—that it gives the 486 time to perform addressing
calculations during the course of the instruction.
------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
![](images/i.jpg) *While it's nice that **XLAT** doesn't suffer from the various 486 addressing penalties, the reason for that is basically that **XLAT** is slow, so there's still no compelling reason to use **XLAT** on the 486.*
------------------- ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
> ![](images/i.jpg)
> While it's nice that **XLAT** doesn't suffer from the various 486
> addressing penalties, the reason for that is basically that **XLAT** is
> slow, so there's still no compelling reason to use **XLAT** on the 486.
In general, penalties for interrupting the 486's pipeline apply
primarily to the fast core instructions of the 486, most notably