将片内30H~40H及片外0010H~0100H清零,然后将片内41H~47H的内容移到片外0041H~0047H,判断
1、若(0041H)<15,则求平方存放到0050H中,并将位00H置1
2、若(0041H)=15,则加15存放到0050H中,并将位01H置1
3、若(0041H)>15,则减15存放到0050H中,并将位02H置1
 
汇编程序:
 ORG 0000H;设置初始地址
 
     MOV R0,#30H;对片内30H~40H清零
     MOV R1,#11H
     CLR A
CON1:MOV @R0,A
     INC R0
     DJNZ R1,CON1
 
     MOV DPTR,#0010H;对片外0010H~0100H清零
     MOV R1,#0F1H
     CLR A
CON2:MOVX @DPTR,A
     INC DPTR
     DJNZ R1,CON2
 
     MOV R1,#07H;移动内容
     MOV R0,#41H
     MOV DPTR,#0041H
LOOP:MOV A,@R0
     MOVX @DPTR,A
     INC R0
     INC DPTR
     DJNZ R1,LOOP
 
     MOV DPTR,#0041H
     MOVX A,@DPTR
     CJNE A,#0FH,NEXT1;不相等跳转
     ADD A,#0FH;相等情况
     MOV DPTR,#0050H
     MOVX @DPTR,A
     SETB 01H
     CLR  00H
     CLR  02H
     SJMP OUT
NEXT1:JC NEXT2;<跳转
     SUBB A,#0FH;>情况
     MOV DPTR,#0050H
     MOVX @DPTR,A
     SETB 02H
     CLR  00H
     CLR  01H
     SJMP OUT
NEXT2:MOV B,A;<情况
     MUL AB
     MOV DPTR,#0050H
     MOVX @DPTR,A
     SETB 00H
     CLR  01H
     CLR  02H
OUT:SJMP $