[PDF] 8085 assembly language instruction set

Intel 8085 Instructions
  • MOV r1, r2 (Move Data; Move the content of the one register to another). [ r1] <-- [r2]
  • MOV r, m (Move the content of memory register). r <-- [M]
  • MOV M, r. ( Move the content of register to memory).
  • MVI r, data. (Move immediate data to register).
  • MVI M, data.
  • LXI rp, data 16.
  • LDA addr.
  • STA addr.
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  • What is the instruction set of 8085?

    ? The entire group of instructions that a microprocessor supports is called Instruction Set. ? 8085 has 246 instructions. ? Each instruction is represented by an 8-bit binary value. ? These 8-bits of binary value is called Op-Code or Instruction Byte.

  • How many instructions are there in 8085 instruction set?

    Since the 8085 is an 8-bit device it can have up to 28 (256) instructions. However, the 8085 only uses 246 combinations that represent a total of 74 instructions. Each instruction has two parts. The first part is the task or operation to be performed.

  • What is 246 instruction set of 8085?

    8085 microprocessor instruction set has 74 operation codes that result in 246 instructions. 8085 instructions can be classified into following five functional groups: 1. Data Transfer/ Copy Operations - These types of instructions transfer data from source to destination, without modifying the contents of the source.
  • sasm85 is an assembler for 8085 microprocessor. It provides various assembler directives to make the 8085 assembly language programming easier. The directives include EQU, ORG, DB, DS, END and DSTR.
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