Table of Contents
- 1 What is XOR in assembly language?
- 2 How do you define and use a macro in assembly language?
- 3 Why is assembly language most preferred for microprocessor programming?
- 4 Are the abbreviations used to write assembly language programs?
- 5 What is 8085 microprocessor architecture?
- 6 What is the purpose of this assembly language manual?
What is XOR in assembly language?
The XOR instruction performs a bit wise Exclusive OR operation between corresponding bits in the two operands and places the result in the first operand.
How do you define and use a macro in assembly language?
Using a macro is a 3-step process.
- Define the macro. You must define macros before you can use them in your program.
- Call the macro. After you have defined a macro, call it by using the macro name as a mnemonic in the source program.
- Expand the macro. The assembler expands your macros when the source program calls them.
How do you run a microprocessor program?
Here we will see how to use 8085 to write a program in 8085 kit….Executing the program and checking result in 8085 Microprocessor.
| Keys | Functionalities |
|---|---|
| SHIFT | Provides second level commands to all keys |
| GO | Execute the program |
| SI | Execute in Single Step Mode |
| EXREG | Examine Register. It allows to see the values of different registers. |
What is assembly language program layout?
Assembly-language allows the designer to program in terms of the machine instructions that a specific processor can perform. Since binary machine-code instructions are difficult to understand directly, assembly-language programs are expressed in a symbolic notation.
Why is assembly language most preferred for microprocessor programming?
It is memory efficient, as it requires less memory. It is faster in speed, as its execution time is less. It is mainly hardware-oriented. It requires less instruction to get the result.
Are the abbreviations used to write assembly language programs?
The letters used are usually abbreviations of a sort for what the instruction does. Hence, assembly languages make it easier for people to remember how to write instructions to the computer, but an assembly language is still a representation of the computer’s native instruction set.
What is assembly language instruction and explain with example?
An assembly language is a low-level programming language designed for a specific type of processor. It may be produced by compiling source code from a high-level programming language (such as C/C++) but can also be written from scratch. Below are some examples of instructions supported by x86 processors.
What are some examples of 8085 instructions?
Let’s see some simple example to demonstrate the use of some important instructions of 8085. The memory addresses given in the program are for a particular microprocessor kit. These addresses can be changed to suit the microprocessor kit available in your system.
What is 8085 microprocessor architecture?
1. Internal Architecture of 8085 Microprocessor. Control Unit. Generates signals within uP to carry out the instruction, which has been decoded. In reality causes certain connections between blocks of the uP to be opened or closed, so that data goes where it is required, and so that ALU operations occur.
What is the purpose of this assembly language manual?
This manual describes programming with Intel’s assembly language. It will not teach you how to program a computer. Although this manual is designed primarily for reference, It also contains some instructional matenal to help the beginning programmer. The manual is organized as follows: Chapter 1.
How many 16 bit registers are there in 8085?
The 8085/8080A-programming model includes six registers, one accumulator, and one flag register, as shown in Figure. In addition, it has two 16-bit registers: the stack pointer and the program counter. They are described briefly as follows.