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Data Transfer Group Instruction Set of 8085 Microprocessor

Data Transfer Group of 8085 Microprocessor

    • MOV r1, r2
      • This means the data of register - 2 will move to register - 1
                                        Example - MOV A, B
    • MOV r, M
      • This means the data stored in ((H - L)) will move to specified register.
                                        Example - MOV B, M
    • MOV M, r
      • This means the data in specified register will move to ((H-L)).
                                        Example - MOV M, B
    • MVI r, data
      • This means the given data will move to specified register immediately.
                                        Example - MVI B, 05
    •  MVI M, data 
      • This means the given data will move to ((H-L)) pair register immediately.
                                        Example - MVI M, 05
    • LXI rp, data 
      • Here 16 bit data will move to entered register pair.
                                        Example - LXI B, 2345
                                                           23 ⇢  B
                                                           45 ⇢   C
    • LDA addr
      • This means that data stored in entered address will load in Accumulator.
                                        Example - LDA 4345
                                                          ((4345)) ⇢  (A)
    • STA addr
      • This means the data in Accumulator will store in the entered address.
                                        Example - STA 4345
                                                           (A) ⇢  ((4345))
    • LHLD addr 
      • Data in given address will load into register 'L' and data in next address of given address will load into register 'H'.
        • Example - LHLD 4200  // This is a command//
                                                           (4200) ⇢ L
                                                           (4201) ⇢ H
    • SHLD addr
      • Data in register 'L' will load into the given address and data in register 'H' will load into the next address of given address
        • Example -  SHLD 4200 //This is a Command//
                                                           L ⇢   (4200) 
                                                           H ⇢   (4201)
    • LDAX rp 
      • The register pair points to a memory location. The data in that memory location will copy to Accumulator.
                                    Example - LDAX B
                                                      ((BC)) ⇢ (A)
    • STAX rp
      • The data in Accumulator will copy to the memory location pointed by register pairs.
        • Example - STAX B
                                                        (A) ⇢  ((BC))
    • XCHG 
      • The contents in HL and DE pair will exchange.
        • Example - HL - 1234
                                                          DE - 4561 
                                                    After execution of the instruction, the result is 
                                                          HL - 4561
                                                          DE - 1234
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