What is the 8085 microprocessor?

The Intel 8085 (“eighty-eighty-five”) is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is a software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features.

Which of the following is an example of 3 Byte instruction?

Three-byte instructions – The second byte is the low-order operand and the third byte is the high-order operand. If a 16-bit numeral is present in the instruction then that instruction will be of three-byte. Here, the numeral may be a data or an address. for example, in LXI H,3500H and STA 2500H, etc.

Which of the following is are 3 Byte instruction?

Three-byte instruction is the type of instruction in which the first 8 bits indicates the opcode and the next two bytes specify the 16-bit address. The low-order address is represented in second byte and the high-order address is represented in the third byte.

What are the basic types of instructions?

A computer must have the following types of instructions: Data transfer instructions. Data manipulation instructions. Program sequencing and control instructions.

What is the function of stack pointer in 8085?

Stack Pointer: It is used as a memory pointer. It points to a memory location in read/write memory, called the stack. It is always incremented/decremented by 2 during push and pop operation. Here two binary numbers are added.

What is the instruction format of 8085?

The 8085 instruction set is classified into the following three groups according to word size: ü One-word or 1-byte instructions ü Two-word or 2-byte instructions ü Three-word or 3-byte instructions

What is the instructionformat in 8085?

The 8085 instruction set is classified into the following three groups according to word size: In the 8085, “byte” and “word” are synonymous because it is an 8-bit microprocessor. However, instructions are commonly referred to in terms of bytes rather than words.

What are the different addressing modes in 8085?

The addressing modes of 8085 microprocessor can be classified into five. They are immediate addressing, register addressing, direct addressing, indirect addressing, and implied addressing. All 8085 addressing modes are described below. Before that what is an addressing mode in a microprocessor.

What is the programming model of 8085?

Programming Model of 8085: The programming model of 8085 consist of an 8-bit accumulator, one flag register, 6 general 8-bit purpose registers , and two 16-bit special purpose registers . These registers are critically required when programming a 8085 processor. The different register in the programming model are explained below:

What is the 8085 microprocessor? The Intel 8085 (“eighty-eighty-five”) is an 8-bit microprocessor produced by Intel and introduced in March 1976. It is a software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features. Which of the following is an example of 3…