Saturday, August 27, 2011

WAP in 8051 to transfer block of data from internal memory location to external memory location


; PROGRAMM STARTS HERE
MOV R0, #30H ; STORE MEMORY LOCATION
MOV A, #00H ; CLEAR ACCUMULATOR
MOV R7, #07H ; COUNTER
MOV DPTR, #0200H; EXTERNAL ADDRESS
BACK :  MOV A, @R0 ; MOVE FROM INTERNAL TO ACCUMULATOR
MOVX @DPTR, A ; MOVE FROM ACCUMULATOR TO EXTERNAL ADDRESS
INC R0 ; INCREMENT INTERNAL ADDRESS
INC DPTR ; INCREMENT EXTERNAL ADDRESS
DJNZ R7, BACK ; COUNT THE LOOP
END
at

4 comments:

  1. UnknownJanuary 16, 2018 at 12:45 AM

    save it with .a file extension

    ReplyDelete
  2. SuryaAugust 9, 2018 at 11:55 PM

    Thanks for the program. It really helped me out

    ReplyDelete
  3. UnknownMarch 21, 2020 at 12:20 PM

    Please write code to 8051 send external memory to internal memory

    ReplyDelete
  4. RajuDecember 6, 2020 at 1:35 PM

    Transfer the block of data from 20h to 30h to external location 1020h to 1030h using 8051 Microcontroller

    ReplyDelete