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Change bold code snippets to inline code blocks

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James Gregory 2013-12-31 17:12:29 +11:00
commit 3c76d884ef
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@ -59,11 +59,11 @@ register, but it's safer. It's also slower; for cases where you must set
a field repeatedly, it might be worthwhile to read and mask the register
once at the start, and save it in a variable, so that the value is
readily available in memory and need not be repeatedly read from the
port. This approach is especially attractive because **IN**s are much
port. This approach is especially attractive because `IN`s are much
slower than memory accesses on 386 and 486 machines.
Astute readers may wonder why I didn't put a delay sequence, such as
**JMP \$+2**, between the **IN** and **OUT** involving the same
`JMP \$+2`, between the `IN` and `OUT` involving the same
register. There are, after all, guidelines from IBM, specifying that a
certain period should be allowed to elapse before a second access to an
I/O port is attempted, because not all devices can respond as rapidly as