What are assembler directives explain following assembler directives of 8086 assume DW DQ PROC ENDP?

What are assembler directives explain following assembler directives of 8086 assume DW DQ PROC ENDP?

An assembler supports directives to define data, to organise segments to control procedure, to define macros. It consists of two types of statements: instructions and directives. The instructions are translated to the machine code by the assembler whereas directives are not translated to the machine codes.

What are assembly language directives?

Directives are instructions used by the assembler to help automate the assembly process and to improve program readability. Examples of common assembler directives are ORG (origin), EQU (equate), and DS. B (define space for a byte). Directives are used essentially in a pre-processing stage of the assembly process.

What is the difference between an instruction and a directive?

An instruction is directly translated to something the CPU can execute. A directive is something the assembler can interpret, and tells something about the way the instructions are to be assembled.

What is the difference between Macro Assembler & macro processor?

Macro processors are often embedded in other programs, such as assemblers and compilers. Sometimes they are standalone programs that can be used to process any kind of text. The macro is a “skeleton” a “pattern” from which you generate program parts. But only a passive pattern.

What is the difference between macro and procedure in Teradata?

The macro contains only SQL and maybe dot commands that are only for use in BTEQ. Normally a SELECT results in rows being returned to the user. A stored procedure does not return rows to the user like a macro. A stored procedure contains SQL to access data from within Teradata.

What do you mean by a macro in microprocessor?

A Macro is a set of instructions grouped under a single unit. It is another method for implementing modular programming in the 8086 microprocessors (The first one was using Procedures).

What is a macro in assembly language?

Advertisements. Writing a macro is another way of ensuring modular programming in assembly language. A macro is a sequence of instructions, assigned by a name and could be used anywhere in the program. In NASM, macros are defined with %macro and %endmacro directives.

How macro is used in assembly language?

Using a macro is a 3-step process.

1. Define the macro. You must define macros before you can use them in your program.
2. Call the macro. After you have defined a macro, call it by using the macro name as a mnemonic in the source program.
3. Expand the macro. The assembler expands your macros when the source program calls them.

What is a macro command?

A macro is a series of commands and instructions that you group together as a single command to accomplish a task automatically. Newer versions. Office 2007Word for the web. To save time on tasks you do often, bundle the steps into a macro.

What is a macro enabled file type?

When working with macros in Excel 2010, you save and open workbooks in a new macro-enabled workbook format (. xlsm) that provides added security. This protects you from possible harm — some macros might contain viruses or other hazards. You can choose to enable the content if the workbook is from a trusted source.

How do I make a macro on my keyboard?

How do I create macros?

1. Using the mouse that you want to configure, start Microsoft Mouse and Keyboard Center.
2. In the list under the button that you want to reassign, select Macro.
3. Click Create a new Macro.
4. In the Name box, type the name of the new macro.
5. Click in Editor, and enter your macro.

How do I assign a key on my keyboard?

To assign or reassign a key to a function:

1. Start from a host session window.
2. Click Edit > Preference > Keyboard, or click the Remap button on the toolbar.
3. Click the Key Assignment tab.
4. Select a Category.
5. Select the function you want to assign a key to.
6. Click Assign a Key.

Can I use a second keyboard for macros?

You can make a second keyboard to act independently, so can be used as a dedicated macro keyboard. This gets you 80 or 120 extra keys, at a price of $15 or so. Here’s how-to for Microsoft Windows.