Question: How Do You Comment Multiple Lines In VHDL?

How do I comment multiple lines in Lua?

A comment starts with a double hyphen ( — ) anywhere outside a string.

They run until the end of the line.

You can comment out a full block of code by surrounding it with –[[ and –]] .

To uncomment the same block, simply add another hyphen to the first enclosure, as in —[[ ..

How do you comment out multiple lines in Matlab?

To comment out a large block of code in the Editor or Live Editor, select the code and on the “Editor” or “Live Editor” tab, click the “Comment” button. This inserts a “%” symbol in front of each selected line. Alternatively, select the code and type “Ctrl” + “R”.

How do I write comments in octave?

In the Octave language, a comment starts with either the sharp sign character, ‘ # ‘, or the percent symbol ‘ % ‘ and continues to the end of the line. Any text following the sharp sign or percent symbol is ignored by the Octave interpreter and not executed.

How do you comment out in VHDL?

Comments. A comment in VHDL is denoted with a “–“: — Assign the current value to the next state value sQ_next <= sQ; Everything after the "--" to the end of the line is considered a comment.

What does == mean in Lua?

The operator == tests for equality; the operator ~= is the negation of equality. We can apply both operators to any two values. If the values have different types, Lua considers them different values. Otherwise, Lua compares them according to their types. Specifically, nil is equal only to itself.

What does mean Lua?

Lua (/ˈluːə/ LOO-ə; from Portuguese: lua [ˈlu. (w)ɐ] meaning moon) is a lightweight, high-level, multi-paradigm programming language designed primarily for embedded use in applications.

How do you comment multiple lines in octave?

You can comment the current line or a selection of lines:For a single line, position the cursor in that line. For multiple lines, click in the line and then drag or Shift+click to select multiple lines.Select Comment from the Text menu, or right-click and select it from the context menu.

How do you comment multiple lines in putty?

Follow the steps given below for commenting multiple using the terminal.First, press ESC.Go to the line from which you want to start commenting. … use the down arrow to select multiple lines that you want to comment.Now, press SHIFT + I to enable insert mode.Press # and it will add a comment to the first line.

What is the use of a function called Port map ()?

Explanation: The function portmap() is used for component instantiation. By taking instances of input output ports declared at the time of declaration, the component is instantiated.

What is a signal in VHDL?

Signals are the primary objects describing a hardware system and are equivalent to “wires”. They represent communication channels among concurrent statements of system’s specification. Signals and associated mechanisms of VHDL (like signal assignment statements, resolution function, delays, etc.)

How do you uncomment multiple lines?

To comment out multiple code lines right-click and select Source > Add Block Comment. ( CTRL+SHIFT+/ ) To uncomment multiple code lines right-click and select Source > Remove Block Comment. ( CTRL+SHIFT+\ )

How do you comment on Roblox studio?

Since I write terrible code this is the Visual Studio hotkey I miss the most in the ROBLOX Lua editor. With a block of code selected Ctrl+K+C will comment out the entire block.

What is comment and uncomment?

You can comment out all lines in selected text using the Comment Block icon. Similarly, to uncomment the selected section, choose Ctrl+Shift+K or Edit | Block | Uncomment. …

What is Port Map in VHDL?

Modules communicate with the outside world through the entity. Port map is the part of the module instantiation where you declare which local signals the module’s inputs and outputs shall be connected to. … A VHDL module created for running in a simulator usually has no input or output signals.

What type of language is VHDL?

VHDL (VHSIC-HDL, Very High Speed Integrated Circuit Hardware Description Language) is a hardware description language used in electronic design automation to describe digital and mixed-signal systems such as field-programmable gate arrays and integrated circuits.

How do you comment out lines in Matlab?

If you are using the MATLAB editor, you can highlight the block of code that you want to comment then select the “Text->Comment” menu item or type a Control-R to comment the whole block. To uncomment the block, once again select the block of code, select “Text->Uncomment” or type Control-T key combination.

How do I comment multiple lines in Yaml?

yaml files), you can comment-out multiple lines by:selecting lines to be commented, and then.Ctrl + Shift + C.

How do you comment multiple lines in properties file?

We can use Ctrl + / to comment multiple lines in properties file. But it will put # for blank line also. Java properties file only have single line ( # ) comments. If you have to comments in the multiple lines then you have to use # symbol at the beginning line of the code.