What is the function of the 8085 instructions?

These instructions perform logical operations on data stored in registers, memory and status flags. with the contents of accumulator. The result is stored in accumulator. Each bit in the accumulator can be shifted either left or right to the next position.

Which of the following instructions is used for exclusive and logic?

The XOR operation performs bit-wise XOR of the two operands. If X is a bit of Accumulator, and Y is a bit of the other operand in the same bit position, the XOR operation is performed as per the following truth table.

Why do we use XRA instruction?

In 8085 Instruction, XRA is a mnemonic that stands for “eXclusive OR Accumulator” and “R” stands for any of the following registers, or memory location M pointed by HL pair. This instruction is used to Ex-OR contents of R with the Accumulator. The result of Ex-OR operation will be stored in the Accumulator.

What is the use of logical and instruction?

Logical instructions are the instructions which perform basic logical operations such as AND, OR, etc. In 8085 microprocessor, the destination operand is always the accumulator. Here logical operation works on a bitwise level.

What are the types of instructions set in 8085 explain the arithmetic instructions of 8085?

8085 Arithmetic Instructions

Opcode	Operand	Meaning
DAD	Reg. pair	Add the register pair to H and L registers
SUB	R M	Subtract the register or the memory from the accumulator
SBB	R M	Subtract the source and borrow from the accumulator
SUI	8-bit data	Subtract the immediate from the accumulator

Which of the following instruction is a logical instructions?

Logical instructions of a microprocessor are simply the instructions that carry out basic logical operations such as OR, AND, XOR, and so on….What are Logic Instructions?

Operation	Instruction	Description
OR	ORI data	[A] <- [A] V data
Ex-OR	XRA R	[A] <- [A] ⊕ [R]
XRA M	[A] <- [A] ⊕ [[HL]]
XRI data	[A] <- [A] ⊕ data

Why the instructions HLT are used in microprocessor?

In the x86 computer architecture, HLT (halt) is an assembly language instruction which halts the central processing unit (CPU) until the next external interrupt is fired. Most operating systems execute a HLT instruction when there is no immediate work to be done, putting the processor into an idle state.

What is sphl instruction?

In 8085 Instruction set, SPHL is an instruction with the help of which Stack Pointer will get initialized with the contents of register pair HL. It occupies only 1-Byte in memory, compared to the other instruction LXI SP instruction, which is 3-Bytes long used for initializing SP on the other hand.

What are logical instructions of 8085?

Microprocessor – 8085 Logical Instructions

Opcode	Operand	Meaning
ANA	R M	Logical AND register or memory with the accumulator
ANI	8-bit data	Logical AND immediate with the accumulator
XRA	R M	Exclusive OR register or memory with the accumulator
XRI	8-bit data	Exclusive OR immediate with the accumulator

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