xmemory.asm

51系列单片机的汇编程序包

;*********************************************

    org 0
    mov r6,#10h
    mov dptr,#0000h
ram1:
    mov a,#55h
    movx @dptr,a
;    sjmp ram1
ram2:
    cpl a
    inc dptr
    movx @dptr,a
    djnz r6,ram2

    end