Data transfer instruction set of 8085 micro processor WHAT IS INSTRUCTION? CLASSIFICATION OF INSTRUCTION. DATA TRANSFER INSTRUCTION. EXAMPLES PROGRAMME OF DATA TRANFER INSTRUCTION

1. DATA TRANSFER INSTRUCTI ON SET OF
8085 MICRO PROCESSOR

2. Content of Presentation
 WHAT IS INSTRUCTION?
 CLASSIFICATION OF INSTRUCTION.
 DATA TRANSFER INSTRUCTION.
 EXAMPLES
 PROGRAMME OF DATA TRANFER
INSTRUCTION
8085 Instruction Set 2

3. 8085 Instruction Set 3
What is Instruction?

4. 8085 Instruction Set 4

5. 8085 Instruction Set 5

6. 8085 Instruction Set 6

7. 8085 Instruction Set 7

8. 8085 Instruction Set 8

9. 8085 Instruction Set 9

10. 8085 Instruction Set 10

11. 8085 Instruction Set 11

12. 8085 Instruction Set 12

13. 8085 Instruction Set 13

14. 8085 Instruction Set 14

15. 8085 Instruction Set 15

16. 8085 Instruction Set 16

17. 8085 Instruction Set 17

18. 8085 Instruction Set 18

19. 8085 Instruction Set 19

20. 8085 Instruction Set 20

21. 8085 Instruction Set 21

22. 8085 Instruction Set 22
Summary – Data transfer
 MOV Move
 MVI Move Immediate
 LDA Load Accumulator Directly from Memory
 STA Store Accumulator Directly in Memory
 LHLD Load H & L Registers Directly from
Memory
 SHLD Store H & L Registers Directly in
Memory

23. 8085 Instruction Set 23
Summary Data transfer
 An 'X' in the name of a data transfer instruction implies that it
deals with a register pair (16-bits);
 LXI Load Register Pair with Immediate data
 LDAX Load Accumulator from Address in Register Pair
 STAX Store Accumulator in Address in Register Pair
 XCHG Exchange H & L with D & E
 XTHL Exchange Top of Stack with H & L

24. 8085 Instruction Set 24
Summary - Stack
 PUSH Push Two bytes of Data onto the Stack
 POP Pop Two Bytes of Data off the Stack
 XTHL Exchange Top of Stack with H & L
 SPHL Move content of H & L to Stack Pointer

25. 8085 Instruction Set 25
I/0 instructions
 IN Initiate Input Operation
 OUT Initiate Output Operation

26. 8085 Instruction Set 26
Summary -Machine Control instructions
 EI Enable Interrupt System
 DI Disable Interrupt System
 HLT Halt
 NOP No Operation

27. Programme
 Load memory location F300H with data 29H.
Transfer the data in to register B.
 MVI A, 29H
 STA F300H
 MOV B, A
 HLT
8085 Instruction Set 27

28. References
 Microprocessor & interfacing by Gankar
 Wikipedia
 Microprocessor & interfacing by U.S.Shah
8085 Instruction Set 28