extmem.asm

本程序能有效的实现记忆存储功能,简便实用,仅供参考

; Test program for external memory.
; Write data to memory, then read it back.
; The program loops forever.

                org 0


loop1:		mov DPTR,#1234h
		mov A,#0AAh
		movx @DPTR,A		
		movx A,@DPTR

		jmp loop1
                
                END