Info–2
Additional Information
Typographic Conventions
Nios II Hardware Development Tutorial
May 2011
Altera Corporation
Typographic Conventions
The following table shows the typographic conventions this document uses.
Visual Cue
Meaning
Bold Type with Initial Capital
Letters
Indicate command names, dialog box titles, dialog box options, and other GUI
labels. For example,
Save As
dialog box. For GUI elements, capitalization matches
the GUI.
bold type
Indicates directory names, project names, disk drive names, file names, file name
extensions, software utility names, and GUI labels. For example,
\qdesigns
directory,
D:
drive, and
chiptrip.gdf
file.
Italic Type with Initial Capital Letters
Indicate document titles. For example,
Stratix IV Design Guidelines
.
italic type
Indicates variables. For example,
n
+ 1.
Variable names are enclosed in angle brackets (< >). For example,
<file name>
and
<project name>
.pof
file.
Initial Capital Letters
Indicate keyboard keys and menu names. For example, the Delete key and the
Options menu.
“Subheading Title”
Quotation marks indicate references to sections within a document and titles of
Quartus II Help topics. For example, “Typographic Conventions.”
Courier type
Indicates signal, port, register, bit, block, and primitive names. For example,
data1
,
tdi
, and
input
. The suffix
n
denotes an active-low signal. For example,
resetn
.
Indicates command line commands and anything that must be typed exactly as it
appears. For example,
c:\qdesigns\tutorial\chiptrip.gdf
.
Also indicates sections of an actual file, such as a Report File, references to parts of
files (for example, the AHDL keyword
SUBDESIGN
), and logic function names (for
example,
TRI
).
r
An angled arrow instructs you to press the Enter key.
1., 2., 3., and
a., b., c., and so on
Numbered steps indicate a list of items when the sequence of the items is important,
such as the steps listed in a procedure.
■
■ ■
Bullets indicate a list of items when the sequence of the items is not important.
1
The hand points to information that requires special attention.
h
A question mark directs you to a software help system with related information.
f
The feet direct you to another document or website with related information.
c
A caution calls attention to a condition or possible situation that can damage or
destroy the product or your work.
w
A warning calls attention to a condition or possible situation that can cause you
injury.
The envelope links to the
Email Subscription Management Center
page of the Altera
website, where you can sign up to receive update notifications for Altera documents.