clrram.sdi

proteus实例集锦

,,,                ORG             00H
,,,START   EQU             30H
0000,79 30,,                MOV             R1,#START       ;起始地址
0002,78 20,,                MOV             R0,#32          ;设置32字节计数值
0004,74 FF,,                MOV             A,#0FFH
0006,F7,LOOP,LOOP:   MOV             @R1,A
0007,09,,                INC             R1                      ;指向下一个地址
0008,D8 FC,,                DJNZ    R0,LOOP         ;计数值减1
000A,80 FE,,                SJMP    $
000E,,,                END