extmem.sdi

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
,,,
,,,
0000,90 12 34,loop1,loop1:          mov DPTR,#1234h
0003,74 AA,,                mov A,#0AAh
0005,F0,,                movx @DPTR,A
0006,E0,,                movx A,@DPTR
,,,
0007,80 F7,,                jmp loop1
,,,
000E,,,                END
,,,