What are assembler directives in 8086 examples?
Data declaration directives:
- DB – The DB directive is used to declare a BYTE -2-BYTE variable – A BYTE is made up of 8 bits.
- DW – The DW directive is used to declare a WORD type variable – A WORD occupies 16 bits or (2 BYTE).
What is assembly language in 8086 microprocessor?
The assembly programming language is a low-level language which is developed by using mnemonics. The microcontroller or microprocessor can understand only the binary language like 0’s or 1’s therefore the assembler convert the assembly language to binary language and store it the memory to perform the tasks.
Which are examples of assembly language instructions?
Assembly Language
| Mnemonic | Operand | Comment |
|---|---|---|
| RTS | Return from a subroutine | |
| b. Data Transfer Instructions | ||
| LDA | (Address) | Load accumulator from memory |
| STA | (Address) | Store accumulator to memory |
Is C++ an assembly language?
C++ code does not “consist” of assembly code; it consists of, well, C++ code. A compiler translates this C++ code, ultimately into executable machine code that can be run on a computer (usually under the direction of an operating system).
What is assembler and its example?
An assembler is a type of computer program that interprets software programs written in assembly language into machine language, code and instructions that can be executed by a computer.
What are assembly directives?
Assembler directives are directions to the assembler to take some action or change a setting. Assembler directives do not represent instructions, and are not translated into machine code.
What are assembler directives give example?
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).
What is assembly language microprocessor?
An assembly language is a low-level programming language for microprocessors and other programmable devices. It is not just a single language, but rather a group of languages. An assembly language implements a symbolic representation of the machine code needed to program a given CPU architecture.
What do you mean by an assembler?
An assembler is a program that takes basic computer instructions and converts them into a pattern of bits that the computer’s processor can use to perform its basic operations. Some people call these instructions assembler language and others use the term assembly language.
What is a macro in assembly language?
• An assembly language macro is a template whose format. represents a pattern of 0 or more assembly language statements that might be common to multiple programs. • For this purpose, a macro language is used to provide a syntax for. defining macros.