General

What is the difference between MOV and MVI instruction of an 8085 microprocessor?

What is the difference between MOV and MVI instruction of an 8085 microprocessor?

What is the difference between MOV and MVI instructions of an 8085 microprocessor? MVI instruction copies data between two registers, whereas MOV instruction transfers an immediate data into a register. transfers an immediate data into a register.

What is this MVI in microcontroller?

MVI is a mnemonic, which actually means “Move Immediate”. With this instruction,we can load a register with an 8-bitsor 1-Bytevalue. This instruction supports immediate addressing mode for specifying the data in the instruction.

What is the difference between 8085 and 8086 microprocessor?

The 8086 is enhanced version of 8085 microprocessor. It is 16-bit processor….Differences between 8085 and 8086 microprocessor.

Property 8085 Microprocessor 8086 Microprocessor
Data Bus Size 8-Bit 16-Bit
Address Bus Size 16-bit 20-bit
Clock Speed 3MHz Varies in range 5.8 – 10 MHz
Duty Cycle for clock 50\% 33\%

What is addressing mode of MOV a M?

Register indirect addressing mode also used to call as indirect addressing mode. For example MOV A, M: means data is transferred from the memory address pointed by the register pair HLto the register A.

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What are different addressing modes in 8085?

Addressing modes in 8085 microprocessor

  • Immediate Addressing Mode – In immediate addressing mode the source operand is always data.
  • Register Addressing Mode –
  • Direct Addressing Mode –
  • Register Indirect Addressing Mode –
  • Implied/Implicit Addressing Mode –

What does MOV A M mean?

move the contents of the memory location
Examples: MOV A, M (move the contents of the memory location pointed by the H-L pair to the accumulator) LDAX B (move contents of B-C register to the accumulator) LXIH 9570 (load immediate the H-L pair with the address of the location 9570)